Bug 900669 - OdinMonkey: asm.js caching (shell-only support) (r=sstangl)
☠☠ backed out by 65262f9e7580 ☠ ☠
authorLuke Wagner <luke@mozilla.com>
Tue, 15 Oct 2013 12:13:34 -0500
changeset 165611 f5838290c7059fc279c1135e1a9f62690954548d
parent 165610 5f0bfb16fa4a5fd22e5828277e7e4ed0c9747f88
child 165612 f6cd58cf99ff7ffa8c0dba46d584b20ad79ff87a
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reviewerssstangl
bugs900669
milestone27.0a1
Bug 900669 - OdinMonkey: asm.js caching (shell-only support) (r=sstangl)
js/src/builtin/TestingFunctions.cpp
js/src/frontend/ParseNode.h
js/src/frontend/Parser.h
js/src/frontend/TokenStream.h
js/src/jit-test/jit_test.py
js/src/jit-test/lib/asm.js
js/src/jit-test/lib/bullet.js
js/src/jit-test/tests/asm.js/testBullet.js
js/src/jit-test/tests/asm.js/testCaching.js
js/src/jit-test/tests/asm.js/testX86ByteStore.js
js/src/jit/AsmJS.cpp
js/src/jit/AsmJSLink.cpp
js/src/jit/AsmJSLink.h
js/src/jit/AsmJSModule.cpp
js/src/jit/AsmJSModule.h
js/src/jit/Ion.h
js/src/jit/IonAnalysis.cpp
js/src/jit/LinearScan.cpp
js/src/jit/LiveRangeAllocator.h
js/src/jit/RegisterSets.h
js/src/jit/arm/Architecture-arm.cpp
js/src/jit/arm/Architecture-arm.h
js/src/jsapi.cpp
js/src/jsapi.h
js/src/jscntxt.h
js/src/jsshell.msg
js/src/shell/js.cpp
js/src/tests/lib/jittests.py
js/src/vm/Runtime.cpp
js/src/vm/Runtime.h
--- a/js/src/builtin/TestingFunctions.cpp
+++ b/js/src/builtin/TestingFunctions.cpp
@@ -1077,16 +1077,25 @@ SetJitCompilerOption(JSContext *cx, unsi
         number = -1;
 
     JS_SetGlobalJitCompilerOption(cx, opt, uint32_t(number));
 
     args.rval().setBoolean(true);
     return true;
 }
 
+static bool
+SetIonAssertGraphCoherency(JSContext *cx, unsigned argc, jsval *vp)
+{
+    CallArgs args = CallArgsFromVp(argc, vp);
+    jit::js_IonOptions.assertGraphConsistency = ToBoolean(args.get(0));
+    args.rval().setUndefined();
+    return true;
+}
+
 static const JSFunctionSpecWithHelp TestingFunctions[] = {
     JS_FN_HELP("gc", ::GC, 0, 0,
 "gc([obj] | 'compartment')",
 "  Run the garbage collector. When obj is given, GC only its compartment.\n"
 "  If 'compartment' is given, GC any compartments that were scheduled for\n"
 "  GC via schedulegc."),
 
     JS_FN_HELP("minorgc", ::MinorGC, 0, 0,
@@ -1241,16 +1250,22 @@ static const JSFunctionSpecWithHelp Test
 "  Returns whether asm.js compilation is currently available or whether it is disabled\n"
 "  (e.g., by the debugger)."),
 
     JS_FN_HELP("isAsmJSModule", IsAsmJSModule, 1, 0,
 "isAsmJSModule(fn)",
 "  Returns whether the given value is a function containing \"use asm\" that has been\n"
 "  validated according to the asm.js spec."),
 
+    JS_FN_HELP("isAsmJSModuleLoadedFromCache", IsAsmJSModuleLoadedFromCache, 1, 0,
+"isAsmJSModule(fn)",
+"  Return whether the given asm.js module function has been loaded directly\n"
+"  from the cache. This function throws an error if fn is not a validated asm.js\n"
+"  module."),
+
     JS_FN_HELP("isAsmJSFunction", IsAsmJSFunction, 1, 0,
 "isAsmJSFunction(fn)",
 "  Returns whether the given value is a nested function in an asm.js module that has been\n"
 "  both compile- and link-time validated."),
 
     JS_FN_HELP("inParallelSection", testingFunc_inParallelSection, 0, 0,
 "inParallelSection()",
 "  True if this code is executing within a parallel section."),
@@ -1270,16 +1285,22 @@ static const JSFunctionSpecWithHelp Test
     JS_FN_HELP("bailout", testingFunc_bailout, 0, 0,
 "bailout()",
 "  Force a bailout out of ionmonkey (if running in ionmonkey)."),
 
     JS_FN_HELP("setJitCompilerOption", SetJitCompilerOption, 2, 0,
 "setCompilerOption(<option>, <number>)",
 "  Set a compiler option indexed in JSCompileOption enum to a number.\n"),
 
+    JS_FN_HELP("setIonAssertGraphCoherency", SetIonAssertGraphCoherency, 1, 0,
+"setIonAssertGraphCoherency(bool)",
+"  Set whether Ion should perform graph consistency (DEBUG-only) assertions. These assertions\n"
+"  are valuable and should be generally enabled, however they can be very expensive for large\n"
+"  (asm.js) programs."),
+
     JS_FS_HELP_END
 };
 
 bool
 js::DefineTestingFunctions(JSContext *cx, HandleObject obj)
 {
     return JS_DefineFunctionsWithHelp(cx, obj, TestingFunctions);
 }
--- a/js/src/frontend/ParseNode.h
+++ b/js/src/frontend/ParseNode.h
@@ -1449,12 +1449,25 @@ enum ParseReportKind
     ParseError,
     ParseWarning,
     ParseExtraWarning,
     ParseStrictError
 };
 
 enum FunctionSyntaxKind { Expression, Statement, Arrow };
 
+static inline ParseNode *
+FunctionArgsList(ParseNode *fn, unsigned *numFormals)
+{
+    JS_ASSERT(fn->isKind(PNK_FUNCTION));
+    ParseNode *argsBody = fn->pn_body;
+    JS_ASSERT(argsBody->isKind(PNK_ARGSBODY));
+    *numFormals = argsBody->pn_count;
+    if (*numFormals > 0 && argsBody->last()->isKind(PNK_STATEMENTLIST))
+        (*numFormals)--;
+    JS_ASSERT(argsBody->isArity(PN_LIST));
+    return argsBody->pn_head;
+}
+
 } /* namespace frontend */
 } /* namespace js */
 
 #endif /* frontend_ParseNode_h */
--- a/js/src/frontend/Parser.h
+++ b/js/src/frontend/Parser.h
@@ -278,16 +278,22 @@ struct ParseContext : public GenericPars
     // For example, while parsing this code we would encounter f1 and f2 at
     // body level, but we would not encounter f3 or f4 at body level:
     //
     //   function f1() { function f2() { } }
     //   if (cond) { function f3() { if (cond) { function f4() { } } } }
     //
     bool atBodyLevel() { return !topStmt; }
 
+    // True if this is the ParseContext for the body of a function created by
+    // the Function constructor.
+    bool isFunctionConstructorBody() const {
+        return sc->isFunctionBox() && staticLevel == 0;
+    }
+
     inline bool useAsmOrInsideUseAsm() const {
         return sc->isFunctionBox() && sc->asFunctionBox()->useAsmOrInsideUseAsm();
     }
 };
 
 template <typename ParseHandler>
 inline
 Directives::Directives(ParseContext<ParseHandler> *parent)
@@ -626,16 +632,25 @@ class Parser : private AutoGCRooter, pub
 
     bool leaveFunction(Node fn, ParseContext<ParseHandler> *outerpc,
                        FunctionSyntaxKind kind = Expression);
 
     TokenPos pos() const { return tokenStream.currentToken().pos; }
 
     bool asmJS(Node list);
 
+  public:
+    // This function may only be called from within Parser::asmJS before
+    // parsing any tokens. It returns the canonical offset to be used as the
+    // start of the asm.js module. We use the offset in the char buffer
+    // immediately after the "use asm" processing directive statement (which
+    // includes any semicolons or newlines that end the statement).
+    uint32_t offsetOfCurrentAsmJSModule() const { return tokenStream.currentToken().pos.end; }
+  private:
+
     friend class CompExprTransplanter;
     friend class GenexpGuard<ParseHandler>;
     friend struct BindData<ParseHandler>;
 };
 
 /* Declare some required template specializations. */
 
 template <>
--- a/js/src/frontend/TokenStream.h
+++ b/js/src/frontend/TokenStream.h
@@ -524,16 +524,25 @@ class MOZ_STACK_CLASS TokenStream
     TokenKind peekToken(Modifier modifier = None) {
         if (lookahead != 0)
             return tokens[(cursor + 1) & ntokensMask].type;
         TokenKind tt = getTokenInternal(modifier);
         ungetToken();
         return tt;
     }
 
+    TokenPos peekTokenPos(Modifier modifier = None) {
+        if (lookahead != 0)
+            return tokens[(cursor + 1) & ntokensMask].pos;
+        getTokenInternal(modifier);
+        ungetToken();
+        JS_ASSERT(lookahead != 0);
+        return tokens[(cursor + 1) & ntokensMask].pos;
+    }
+
     // This is like peekToken(), with one exception:  if there is an EOL
     // between the end of the current token and the start of the next token, it
     // returns TOK_EOL.  In that case, no token with TOK_EOL is actually
     // created, just a TOK_EOL TokenKind is returned, and currentToken()
     // shouldn't be consulted.  (This is the only place TOK_EOL is produced.)
     JS_ALWAYS_INLINE TokenKind peekTokenSameLine(Modifier modifier = None) {
        const Token &curr = currentToken();
 
@@ -610,16 +619,24 @@ class MOZ_STACK_CLASS TokenStream
     void tell(Position *);
     void seek(const Position &pos);
     void seek(const Position &pos, const TokenStream &other);
 
     size_t positionToOffset(const Position &pos) const {
         return pos.buf - userbuf.base();
     }
 
+    const jschar *rawBase() const {
+        return userbuf.base();
+    }
+
+    const jschar *rawLimit() const {
+        return userbuf.limit();
+    }
+
     bool hasSourceURL() const {
         return sourceURL_ != nullptr;
     }
 
     jschar *sourceURL() {
         return sourceURL_;
     }
 
--- a/js/src/jit-test/jit_test.py
+++ b/js/src/jit-test/jit_test.py
@@ -1,14 +1,14 @@
 #!/usr/bin/env python
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-import os, posixpath, shlex, subprocess, sys, traceback
+import os, posixpath, shlex, shutil, subprocess, sys, traceback
 
 def add_libdir_to_path():
     from os.path import dirname, exists, join, realpath
     js_src_dir = dirname(dirname(realpath(sys.argv[0])))
     assert exists(join(js_src_dir,'jsapi.h'))
     sys.path.append(join(js_src_dir, 'lib'))
     sys.path.append(join(js_src_dir, 'tests', 'lib'))
 
@@ -191,16 +191,28 @@ def main(argv):
                 job_list.append(new_test)
 
     prefix = [os.path.abspath(args[0])] + shlex.split(options.shell_args)
     prolog = os.path.join(jittests.LIB_DIR, 'prolog.js')
     if options.remote:
         prolog = posixpath.join(options.remote_test_root, 'jit-tests', 'jit-tests', 'lib', 'prolog.js')
 
     prefix += ['-f', prolog]
+    prefix += ['--js-cache', jittests.JS_CACHE_DIR]
+
+    # Avoid racing on the cache by having the js shell create a new cache
+    # subdir for each process. The js shell takes care of deleting these
+    # subdirs when the process exits.
+    if options.max_jobs > 1 and jittests.HAVE_MULTIPROCESSING:
+        prefix += ['--js-cache-per-process']
+
+    # Clean up any remnants from previous crashes etc
+    shutil.rmtree(jittests.JS_CACHE_DIR, ignore_errors=True)
+    os.mkdir(jittests.JS_CACHE_DIR)
+
     if options.debug:
         if len(job_list) > 1:
             print 'Multiple tests match command line arguments, debugger can only run one'
             for tc in job_list:
                 print '    %s' % tc.path
             sys.exit(1)
 
         tc = job_list[0]
--- a/js/src/jit-test/lib/asm.js
+++ b/js/src/jit-test/lib/asm.js
@@ -1,30 +1,52 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 const ASM_OK_STRING = "successfully compiled asm.js code";
 const ASM_TYPE_FAIL_STRING = "asm.js type error:";
 const ASM_DIRECTIVE_FAIL_STRING = "\"use asm\" is only meaningful in the Directive Prologue of a function body";
 
-const USE_ASM = "'use asm';";
+const USE_ASM = '"use asm";';
 const HEAP_IMPORTS = "const i8=new glob.Int8Array(b);var u8=new glob.Uint8Array(b);"+
                      "const i16=new glob.Int16Array(b);var u16=new glob.Uint16Array(b);"+
                      "const i32=new glob.Int32Array(b);var u32=new glob.Uint32Array(b);"+
                      "const f32=new glob.Float32Array(b);var f64=new glob.Float64Array(b);";
 const BUF_64KB = new ArrayBuffer(64 * 1024);
 
 function asmCompile()
 {
     var f = Function.apply(null, arguments);
     assertEq(!isAsmJSCompilationAvailable() || isAsmJSModule(f), true);
     return f;
 }
 
+function asmCompileCached()
+{
+    if (!isAsmJSCompilationAvailable())
+        return Function.apply(null, arguments);
+
+    if (!isCachingEnabled()) {
+        var f = Function.apply(null, arguments);
+        assertEq(isAsmJSModule(f), true);
+        return f;
+    }
+
+    var quotedArgs = [];
+    for (var i = 0; i < arguments.length; i++)
+        quotedArgs.push("'" + arguments[i] + "'");
+    var code = "var f = new Function(" + quotedArgs.join(',') + ");assertEq(isAsmJSModule(f), true);";
+    nestedShell("--js-cache", "--execute=" + code);
+
+    var f = Function.apply(null, arguments);
+    assertEq(isAsmJSModuleLoadedFromCache(f), true);
+    return f;
+}
+
 function assertAsmDirectiveFail(str)
 {
     if (!isAsmJSCompilationAvailable())
         return;
 
     // Turn on warnings-as-errors
     var oldOpts = options("werror");
     assertEq(oldOpts.indexOf("werror"), -1);
new file mode 100644
--- /dev/null
+++ b/js/src/jit-test/lib/bullet.js
@@ -0,0 +1,56007 @@
+// Note: For maximum-speed code, see "Optimizing Code" on the Emscripten wiki, https://github.com/kripken/emscripten/wiki/Optimizing-Code
+// Note: Some Emscripten settings may limit the speed of the generated code.
+// The Module object: Our interface to the outside world. We import
+// and export values on it, and do the work to get that through
+// closure compiler if necessary. There are various ways Module can be used:
+// 1. Not defined. We create it here
+// 2. A function parameter, function(Module) { ..generated code.. }
+// 3. pre-run appended it, var Module = {}; ..generated code..
+// 4. External script tag defines var Module.
+// We need to do an eval in order to handle the closure compiler
+// case, where this code here is minified but Module was defined
+// elsewhere (e.g. case 4 above). We also need to check if Module
+// already exists (e.g. case 3 above).
+// Note that if you want to run closure, and also to use Module
+// after the generated code, you will need to define   var Module = {};
+// before the code. Then that object will be used in the code, and you
+// can continue to use Module afterwards as well.
+var Module;
+if (!Module) Module = eval('(function() { try { return Module || {} } catch(e) { return {} } })()');
+// Sometimes an existing Module object exists with properties
+// meant to overwrite the default module functionality. Here
+// we collect those properties and reapply _after_ we configure
+// the current environment's defaults to avoid having to be so
+// defensive during initialization.
+var moduleOverrides = {};
+for (var key in Module) {
+  if (Module.hasOwnProperty(key)) {
+    moduleOverrides[key] = Module[key];
+  }
+}
+// The environment setup code below is customized to use Module.
+// *** Environment setup code ***
+var printedOutput = "";
+Module['print'] = function f(str) {
+    printedOutput += str;
+}
+if (typeof printErr != 'undefined') Module['printErr'] = printErr; // not present in v8 or older sm
+if (typeof read != 'undefined') {
+Module['read'] = read;
+} else {
+Module['read'] = function() { throw 'no read() available (jsc?)' };
+}
+Module['readBinary'] = function(f) {
+return read(f, 'binary');
+};
+if (typeof scriptArgs != 'undefined') {
+Module['arguments'] = scriptArgs;
+} else if (typeof arguments != 'undefined') {
+Module['arguments'] = arguments;
+}
+this['Module'] = Module;
+function globalEval(x) {
+  eval.call(null, x);
+}
+if (!Module['load'] == 'undefined' && Module['read']) {
+  Module['load'] = function(f) {
+    globalEval(Module['read'](f));
+  };
+}
+if (!Module['printErr']) {
+  Module['printErr'] = Module['print'];
+}
+// *** Environment setup code ***
+// Closure helpers
+Module.print = Module['print'];
+Module.printErr = Module['printErr'];
+// Callbacks
+Module['preRun'] = [];
+Module['postRun'] = [];
+// Merge back in the overrides
+for (var key in moduleOverrides) {
+  if (moduleOverrides.hasOwnProperty(key)) {
+    Module[key] = moduleOverrides[key];
+  }
+}
+// === Auto-generated preamble library stuff ===
+//========================================
+// Runtime code shared with compiler
+//========================================
+var Runtime = {
+  stackSave: function () {
+    return STACKTOP;
+  },
+  stackRestore: function (stackTop) {
+    STACKTOP = stackTop;
+  },
+  forceAlign: function (target, quantum) {
+    quantum = quantum || 4;
+    if (quantum == 1) return target;
+    if (isNumber(target) && isNumber(quantum)) {
+      return Math.ceil(target/quantum)*quantum;
+    } else if (isNumber(quantum) && isPowerOfTwo(quantum)) {
+      var logg = log2(quantum);
+      return '((((' +target + ')+' + (quantum-1) + ')>>' + logg + ')<<' + logg + ')';
+    }
+    return 'Math.ceil((' + target + ')/' + quantum + ')*' + quantum;
+  },
+  isNumberType: function (type) {
+    return type in Runtime.INT_TYPES || type in Runtime.FLOAT_TYPES;
+  },
+  isPointerType: function isPointerType(type) {
+  return type[type.length-1] == '*';
+},
+  isStructType: function isStructType(type) {
+  if (isPointerType(type)) return false;
+  if (isArrayType(type)) return true;
+  if (/<?{ ?[^}]* ?}>?/.test(type)) return true; // { i32, i8 } etc. - anonymous struct types
+  // See comment in isStructPointerType()
+  return type[0] == '%';
+},
+  INT_TYPES: {"i1":0,"i8":0,"i16":0,"i32":0,"i64":0},
+  FLOAT_TYPES: {"float":0,"double":0},
+  or64: function (x, y) {
+    var l = (x | 0) | (y | 0);
+    var h = (Math.round(x / 4294967296) | Math.round(y / 4294967296)) * 4294967296;
+    return l + h;
+  },
+  and64: function (x, y) {
+    var l = (x | 0) & (y | 0);
+    var h = (Math.round(x / 4294967296) & Math.round(y / 4294967296)) * 4294967296;
+    return l + h;
+  },
+  xor64: function (x, y) {
+    var l = (x | 0) ^ (y | 0);
+    var h = (Math.round(x / 4294967296) ^ Math.round(y / 4294967296)) * 4294967296;
+    return l + h;
+  },
+  getNativeTypeSize: function (type, quantumSize) {
+    if (Runtime.QUANTUM_SIZE == 1) return 1;
+    var size = {
+      '%i1': 1,
+      '%i8': 1,
+      '%i16': 2,
+      '%i32': 4,
+      '%i64': 8,
+      "%float": 4,
+      "%double": 8
+    }['%'+type]; // add '%' since float and double confuse Closure compiler as keys, and also spidermonkey as a compiler will remove 's from '_i8' etc
+    if (!size) {
+      if (type.charAt(type.length-1) == '*') {
+        size = Runtime.QUANTUM_SIZE; // A pointer
+      } else if (type[0] == 'i') {
+        var bits = parseInt(type.substr(1));
+        assert(bits % 8 == 0);
+        size = bits/8;
+      }
+    }
+    return size;
+  },
+  getNativeFieldSize: function (type) {
+    return Math.max(Runtime.getNativeTypeSize(type), Runtime.QUANTUM_SIZE);
+  },
+  dedup: function dedup(items, ident) {
+  var seen = {};
+  if (ident) {
+    return items.filter(function(item) {
+      if (seen[item[ident]]) return false;
+      seen[item[ident]] = true;
+      return true;
+    });
+  } else {
+    return items.filter(function(item) {
+      if (seen[item]) return false;
+      seen[item] = true;
+      return true;
+    });
+  }
+},
+  set: function set() {
+  var args = typeof arguments[0] === 'object' ? arguments[0] : arguments;
+  var ret = {};
+  for (var i = 0; i < args.length; i++) {
+    ret[args[i]] = 0;
+  }
+  return ret;
+},
+  STACK_ALIGN: 8,
+  getAlignSize: function (type, size, vararg) {
+    // we align i64s and doubles on 64-bit boundaries, unlike x86
+    if (type == 'i64' || type == 'double' || vararg) return 8;
+    if (!type) return Math.min(size, 8); // align structures internally to 64 bits
+    return Math.min(size || (type ? Runtime.getNativeFieldSize(type) : 0), Runtime.QUANTUM_SIZE);
+  },
+  calculateStructAlignment: function calculateStructAlignment(type) {
+    type.flatSize = 0;
+    type.alignSize = 0;
+    var diffs = [];
+    var prev = -1;
+    var index = 0;
+    type.flatIndexes = type.fields.map(function(field) {
+      index++;
+      var size, alignSize;
+      if (Runtime.isNumberType(field) || Runtime.isPointerType(field)) {
+        size = Runtime.getNativeTypeSize(field); // pack char; char; in structs, also char[X]s.
+        alignSize = Runtime.getAlignSize(field, size);
+      } else if (Runtime.isStructType(field)) {
+        if (field[1] === '0') {
+          // this is [0 x something]. When inside another structure like here, it must be at the end,
+          // and it adds no size
+          // XXX this happens in java-nbody for example... assert(index === type.fields.length, 'zero-length in the middle!');
+          size = 0;
+          if (Types.types[field]) {
+            alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize);
+          } else {
+            alignSize = type.alignSize || QUANTUM_SIZE;
+          }
+        } else {
+          size = Types.types[field].flatSize;
+          alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize);
+        }
+      } else if (field[0] == 'b') {
+        // bN, large number field, like a [N x i8]
+        size = field.substr(1)|0;
+        alignSize = 1;
+      } else {
+        throw 'Unclear type in struct: ' + field + ', in ' + type.name_ + ' :: ' + dump(Types.types[type.name_]);
+      }
+      if (type.packed) alignSize = 1;
+      type.alignSize = Math.max(type.alignSize, alignSize);
+      var curr = Runtime.alignMemory(type.flatSize, alignSize); // if necessary, place this on aligned memory
+      type.flatSize = curr + size;
+      if (prev >= 0) {
+        diffs.push(curr-prev);
+      }
+      prev = curr;
+      return curr;
+    });
+    type.flatSize = Runtime.alignMemory(type.flatSize, type.alignSize);
+    if (diffs.length == 0) {
+      type.flatFactor = type.flatSize;
+    } else if (Runtime.dedup(diffs).length == 1) {
+      type.flatFactor = diffs[0];
+    }
+    type.needsFlattening = (type.flatFactor != 1);
+    return type.flatIndexes;
+  },
+  generateStructInfo: function (struct, typeName, offset) {
+    var type, alignment;
+    if (typeName) {
+      offset = offset || 0;
+      type = (typeof Types === 'undefined' ? Runtime.typeInfo : Types.types)[typeName];
+      if (!type) return null;
+      if (type.fields.length != struct.length) {
+        printErr('Number of named fields must match the type for ' + typeName + ': possibly duplicate struct names. Cannot return structInfo');
+        return null;
+      }
+      alignment = type.flatIndexes;
+    } else {
+      var type = { fields: struct.map(function(item) { return item[0] }) };
+      alignment = Runtime.calculateStructAlignment(type);
+    }
+    var ret = {
+      __size__: type.flatSize
+    };
+    if (typeName) {
+      struct.forEach(function(item, i) {
+        if (typeof item === 'string') {
+          ret[item] = alignment[i] + offset;
+        } else {
+          // embedded struct
+          var key;
+          for (var k in item) key = k;
+          ret[key] = Runtime.generateStructInfo(item[key], type.fields[i], alignment[i]);
+        }
+      });
+    } else {
+      struct.forEach(function(item, i) {
+        ret[item[1]] = alignment[i];
+      });
+    }
+    return ret;
+  },
+  dynCall: function (sig, ptr, args) {
+    if (args && args.length) {
+      if (!args.splice) args = Array.prototype.slice.call(args);
+      args.splice(0, 0, ptr);
+      return Module['dynCall_' + sig].apply(null, args);
+    } else {
+      return Module['dynCall_' + sig].call(null, ptr);
+    }
+  },
+  functionPointers: [],
+  addFunction: function (func) {
+    for (var i = 0; i < Runtime.functionPointers.length; i++) {
+      if (!Runtime.functionPointers[i]) {
+        Runtime.functionPointers[i] = func;
+        return 2 + 2*i;
+      }
+    }
+    throw 'Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS.';
+  },
+  removeFunction: function (index) {
+    Runtime.functionPointers[(index-2)/2] = null;
+  },
+  warnOnce: function (text) {
+    if (!Runtime.warnOnce.shown) Runtime.warnOnce.shown = {};
+    if (!Runtime.warnOnce.shown[text]) {
+      Runtime.warnOnce.shown[text] = 1;
+      Module.printErr(text);
+    }
+  },
+  funcWrappers: {},
+  getFuncWrapper: function (func, sig) {
+    assert(sig);
+    if (!Runtime.funcWrappers[func]) {
+      Runtime.funcWrappers[func] = function() {
+        return Runtime.dynCall(sig, func, arguments);
+      };
+    }
+    return Runtime.funcWrappers[func];
+  },
+  UTF8Processor: function () {
+    var buffer = [];
+    var needed = 0;
+    this.processCChar = function (code) {
+      code = code & 0xFF;
+      if (buffer.length == 0) {
+        if ((code & 0x80) == 0x00) {        // 0xxxxxxx
+          return String.fromCharCode(code);
+        }
+        buffer.push(code);
+        if ((code & 0xE0) == 0xC0) {        // 110xxxxx
+          needed = 1;
+        } else if ((code & 0xF0) == 0xE0) { // 1110xxxx
+          needed = 2;
+        } else {                            // 11110xxx
+          needed = 3;
+        }
+        return '';
+      }
+      if (needed) {
+        buffer.push(code);
+        needed--;
+        if (needed > 0) return '';
+      }
+      var c1 = buffer[0];
+      var c2 = buffer[1];
+      var c3 = buffer[2];
+      var c4 = buffer[3];
+      var ret;
+      if (buffer.length == 2) {
+        ret = String.fromCharCode(((c1 & 0x1F) << 6)  | (c2 & 0x3F));
+      } else if (buffer.length == 3) {
+        ret = String.fromCharCode(((c1 & 0x0F) << 12) | ((c2 & 0x3F) << 6)  | (c3 & 0x3F));
+      } else {
+        // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+        var codePoint = ((c1 & 0x07) << 18) | ((c2 & 0x3F) << 12) |
+                        ((c3 & 0x3F) << 6)  | (c4 & 0x3F);
+        ret = String.fromCharCode(
+          Math.floor((codePoint - 0x10000) / 0x400) + 0xD800,
+          (codePoint - 0x10000) % 0x400 + 0xDC00);
+      }
+      buffer.length = 0;
+      return ret;
+    }
+    this.processJSString = function(string) {
+      string = unescape(encodeURIComponent(string));
+      var ret = [];
+      for (var i = 0; i < string.length; i++) {
+        ret.push(string.charCodeAt(i));
+      }
+      return ret;
+    }
+  },
+  stackAlloc: function (size) { var ret = STACKTOP;STACKTOP = (STACKTOP + size)|0;STACKTOP = ((((STACKTOP)+7)>>3)<<3); return ret; },
+  staticAlloc: function (size) { var ret = STATICTOP;STATICTOP = (STATICTOP + size)|0;STATICTOP = ((((STATICTOP)+7)>>3)<<3); return ret; },
+  dynamicAlloc: function (size) { var ret = DYNAMICTOP;DYNAMICTOP = (DYNAMICTOP + size)|0;DYNAMICTOP = ((((DYNAMICTOP)+7)>>3)<<3); if (DYNAMICTOP >= TOTAL_MEMORY) enlargeMemory();; return ret; },
+  alignMemory: function (size,quantum) { var ret = size = Math.ceil((size)/(quantum ? quantum : 8))*(quantum ? quantum : 8); return ret; },
+  makeBigInt: function (low,high,unsigned) { var ret = (unsigned ? ((+(((low)>>>(0))))+((+(((high)>>>(0))))*(+(4294967296)))) : ((+(((low)>>>(0))))+((+(((high)|(0))))*(+(4294967296))))); return ret; },
+  GLOBAL_BASE: 8,
+  QUANTUM_SIZE: 4,
+  __dummy__: 0
+}
+//========================================
+// Runtime essentials
+//========================================
+var __THREW__ = 0; // Used in checking for thrown exceptions.
+var ABORT = false; // whether we are quitting the application. no code should run after this. set in exit() and abort()
+var EXITSTATUS = 0;
+var undef = 0;
+// tempInt is used for 32-bit signed values or smaller. tempBigInt is used
+// for 32-bit unsigned values or more than 32 bits. TODO: audit all uses of tempInt
+var tempValue, tempInt, tempBigInt, tempInt2, tempBigInt2, tempPair, tempBigIntI, tempBigIntR, tempBigIntS, tempBigIntP, tempBigIntD;
+var tempI64, tempI64b;
+var tempRet0, tempRet1, tempRet2, tempRet3, tempRet4, tempRet5, tempRet6, tempRet7, tempRet8, tempRet9;
+function assert(condition, text) {
+  if (!condition) {
+    abort('Assertion failed: ' + text);
+  }
+}
+var globalScope = this;
+// C calling interface. A convenient way to call C functions (in C files, or
+// defined with extern "C").
+//
+// Note: LLVM optimizations can inline and remove functions, after which you will not be
+//       able to call them. Closure can also do so. To avoid that, add your function to
+//       the exports using something like
+//
+//         -s EXPORTED_FUNCTIONS='["_main", "_myfunc"]'
+//
+// @param ident      The name of the C function (note that C++ functions will be name-mangled - use extern "C")
+// @param returnType The return type of the function, one of the JS types 'number', 'string' or 'array' (use 'number' for any C pointer, and
+//                   'array' for JavaScript arrays and typed arrays; note that arrays are 8-bit).
+// @param argTypes   An array of the types of arguments for the function (if there are no arguments, this can be ommitted). Types are as in returnType,
+//                   except that 'array' is not possible (there is no way for us to know the length of the array)
+// @param args       An array of the arguments to the function, as native JS values (as in returnType)
+//                   Note that string arguments will be stored on the stack (the JS string will become a C string on the stack).
+// @return           The return value, as a native JS value (as in returnType)
+function ccall(ident, returnType, argTypes, args) {
+  return ccallFunc(getCFunc(ident), returnType, argTypes, args);
+}
+Module["ccall"] = ccall;
+// Returns the C function with a specified identifier (for C++, you need to do manual name mangling)
+function getCFunc(ident) {
+  try {
+    var func = Module['_' + ident]; // closure exported function
+    if (!func) func = eval('_' + ident); // explicit lookup
+  } catch(e) {
+  }
+  assert(func, 'Cannot call unknown function ' + ident + ' (perhaps LLVM optimizations or closure removed it?)');
+  return func;
+}
+// Internal function that does a C call using a function, not an identifier
+function ccallFunc(func, returnType, argTypes, args) {
+  var stack = 0;
+  function toC(value, type) {
+    if (type == 'string') {
+      if (value === null || value === undefined || value === 0) return 0; // null string
+      if (!stack) stack = Runtime.stackSave();
+      var ret = Runtime.stackAlloc(value.length+1);
+      writeStringToMemory(value, ret);
+      return ret;
+    } else if (type == 'array') {
+      if (!stack) stack = Runtime.stackSave();
+      var ret = Runtime.stackAlloc(value.length);
+      writeArrayToMemory(value, ret);
+      return ret;
+    }
+    return value;
+  }
+  function fromC(value, type) {
+    if (type == 'string') {
+      return Pointer_stringify(value);
+    }
+    assert(type != 'array');
+    return value;
+  }
+  var i = 0;
+  var cArgs = args ? args.map(function(arg) {
+    return toC(arg, argTypes[i++]);
+  }) : [];
+  var ret = fromC(func.apply(null, cArgs), returnType);
+  if (stack) Runtime.stackRestore(stack);
+  return ret;
+}
+// Returns a native JS wrapper for a C function. This is similar to ccall, but
+// returns a function you can call repeatedly in a normal way. For example:
+//
+//   var my_function = cwrap('my_c_function', 'number', ['number', 'number']);
+//   alert(my_function(5, 22));
+//   alert(my_function(99, 12));
+//
+function cwrap(ident, returnType, argTypes) {
+  var func = getCFunc(ident);
+  return function() {
+    return ccallFunc(func, returnType, argTypes, Array.prototype.slice.call(arguments));
+  }
+}
+Module["cwrap"] = cwrap;
+// Sets a value in memory in a dynamic way at run-time. Uses the
+// type data. This is the same as makeSetValue, except that
+// makeSetValue is done at compile-time and generates the needed
+// code then, whereas this function picks the right code at
+// run-time.
+// Note that setValue and getValue only do *aligned* writes and reads!
+// Note that ccall uses JS types as for defining types, while setValue and
+// getValue need LLVM types ('i8', 'i32') - this is a lower-level operation
+function setValue(ptr, value, type, noSafe) {
+  type = type || 'i8';
+  if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
+    switch(type) {
+      case 'i1': HEAP8[(ptr)]=value; break;
+      case 'i8': HEAP8[(ptr)]=value; break;
+      case 'i16': HEAP16[((ptr)>>1)]=value; break;
+      case 'i32': HEAP32[((ptr)>>2)]=value; break;
+      case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= (+(1)) ? (tempDouble > (+(0)) ? ((Math.min((+(Math.floor((tempDouble)/(+(4294967296))))), (+(4294967295))))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/(+(4294967296)))))))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break;
+      case 'float': HEAPF32[((ptr)>>2)]=value; break;
+      case 'double': HEAPF64[((ptr)>>3)]=value; break;
+      default: abort('invalid type for setValue: ' + type);
+    }
+}
+Module['setValue'] = setValue;
+// Parallel to setValue.
+function getValue(ptr, type, noSafe) {
+  type = type || 'i8';
+  if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
+    switch(type) {
+      case 'i1': return HEAP8[(ptr)];
+      case 'i8': return HEAP8[(ptr)];
+      case 'i16': return HEAP16[((ptr)>>1)];
+      case 'i32': return HEAP32[((ptr)>>2)];
+      case 'i64': return HEAP32[((ptr)>>2)];
+      case 'float': return HEAPF32[((ptr)>>2)];
+      case 'double': return HEAPF64[((ptr)>>3)];
+      default: abort('invalid type for setValue: ' + type);
+    }
+  return null;
+}
+Module['getValue'] = getValue;
+var ALLOC_NORMAL = 0; // Tries to use _malloc()
+var ALLOC_STACK = 1; // Lives for the duration of the current function call
+var ALLOC_STATIC = 2; // Cannot be freed
+var ALLOC_DYNAMIC = 3; // Cannot be freed except through sbrk
+var ALLOC_NONE = 4; // Do not allocate
+Module['ALLOC_NORMAL'] = ALLOC_NORMAL;
+Module['ALLOC_STACK'] = ALLOC_STACK;
+Module['ALLOC_STATIC'] = ALLOC_STATIC;
+Module['ALLOC_DYNAMIC'] = ALLOC_DYNAMIC;
+Module['ALLOC_NONE'] = ALLOC_NONE;
+// allocate(): This is for internal use. You can use it yourself as well, but the interface
+//             is a little tricky (see docs right below). The reason is that it is optimized
+//             for multiple syntaxes to save space in generated code. So you should
+//             normally not use allocate(), and instead allocate memory using _malloc(),
+//             initialize it with setValue(), and so forth.
+// @slab: An array of data, or a number. If a number, then the size of the block to allocate,
+//        in *bytes* (note that this is sometimes confusing: the next parameter does not
+//        affect this!)
+// @types: Either an array of types, one for each byte (or 0 if no type at that position),
+//         or a single type which is used for the entire block. This only matters if there
+//         is initial data - if @slab is a number, then this does not matter at all and is
+//         ignored.
+// @allocator: How to allocate memory, see ALLOC_*
+function allocate(slab, types, allocator, ptr) {
+  var zeroinit, size;
+  if (typeof slab === 'number') {
+    zeroinit = true;
+    size = slab;
+  } else {
+    zeroinit = false;
+    size = slab.length;
+  }
+  var singleType = typeof types === 'string' ? types : null;
+  var ret;
+  if (allocator == ALLOC_NONE) {
+    ret = ptr;
+  } else {
+    ret = [_malloc, Runtime.stackAlloc, Runtime.staticAlloc, Runtime.dynamicAlloc][allocator === undefined ? ALLOC_STATIC : allocator](Math.max(size, singleType ? 1 : types.length));
+  }
+  if (zeroinit) {
+    var ptr = ret, stop;
+    assert((ret & 3) == 0);
+    stop = ret + (size & ~3);
+    for (; ptr < stop; ptr += 4) {
+      HEAP32[((ptr)>>2)]=0;
+    }
+    stop = ret + size;
+    while (ptr < stop) {
+      HEAP8[((ptr++)|0)]=0;
+    }
+    return ret;
+  }
+  if (singleType === 'i8') {
+    if (slab.subarray || slab.slice) {
+      HEAPU8.set(slab, ret);
+    } else {
+      HEAPU8.set(new Uint8Array(slab), ret);
+    }
+    return ret;
+  }
+  var i = 0, type, typeSize, previousType;
+  while (i < size) {
+    var curr = slab[i];
+    if (typeof curr === 'function') {
+      curr = Runtime.getFunctionIndex(curr);
+    }
+    type = singleType || types[i];
+    if (type === 0) {
+      i++;
+      continue;
+    }
+    if (type == 'i64') type = 'i32'; // special case: we have one i32 here, and one i32 later
+    setValue(ret+i, curr, type);
+    // no need to look up size unless type changes, so cache it
+    if (previousType !== type) {
+      typeSize = Runtime.getNativeTypeSize(type);
+      previousType = type;
+    }
+    i += typeSize;
+  }
+  return ret;
+}
+Module['allocate'] = allocate;
+function Pointer_stringify(ptr, /* optional */ length) {
+  // TODO: use TextDecoder
+  // Find the length, and check for UTF while doing so
+  var hasUtf = false;
+  var t;
+  var i = 0;
+  while (1) {
+    t = HEAPU8[(((ptr)+(i))|0)];
+    if (t >= 128) hasUtf = true;
+    else if (t == 0 && !length) break;
+    i++;
+    if (length && i == length) break;
+  }
+  if (!length) length = i;
+  var ret = '';
+  if (!hasUtf) {
+    var MAX_CHUNK = 1024; // split up into chunks, because .apply on a huge string can overflow the stack
+    var curr;
+    while (length > 0) {
+      curr = String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + Math.min(length, MAX_CHUNK)));
+      ret = ret ? ret + curr : curr;
+      ptr += MAX_CHUNK;
+      length -= MAX_CHUNK;
+    }
+    return ret;
+  }
+  var utf8 = new Runtime.UTF8Processor();
+  for (i = 0; i < length; i++) {
+    t = HEAPU8[(((ptr)+(i))|0)];
+    ret += utf8.processCChar(t);
+  }
+  return ret;
+}
+Module['Pointer_stringify'] = Pointer_stringify;
+// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns
+// a copy of that string as a Javascript String object.
+function UTF16ToString(ptr) {
+  var i = 0;
+  var str = '';
+  while (1) {
+    var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
+    if (codeUnit == 0)
+      return str;
+    ++i;
+    // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through.
+    str += String.fromCharCode(codeUnit);
+  }
+}
+Module['UTF16ToString'] = UTF16ToString;
+// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', 
+// null-terminated and encoded in UTF16LE form. The copy will require at most (str.length*2+1)*2 bytes of space in the HEAP.
+function stringToUTF16(str, outPtr) {
+  for(var i = 0; i < str.length; ++i) {
+    // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
+    var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
+    HEAP16[(((outPtr)+(i*2))>>1)]=codeUnit
+  }
+  // Null-terminate the pointer to the HEAP.
+  HEAP16[(((outPtr)+(str.length*2))>>1)]=0
+}
+Module['stringToUTF16'] = stringToUTF16;
+// Given a pointer 'ptr' to a null-terminated UTF32LE-encoded string in the emscripten HEAP, returns
+// a copy of that string as a Javascript String object.
+function UTF32ToString(ptr) {
+  var i = 0;
+  var str = '';
+  while (1) {
+    var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
+    if (utf32 == 0)
+      return str;
+    ++i;
+    // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
+    if (utf32 >= 0x10000) {
+      var ch = utf32 - 0x10000;
+      str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
+    } else {
+      str += String.fromCharCode(utf32);
+    }
+  }
+}
+Module['UTF32ToString'] = UTF32ToString;
+// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', 
+// null-terminated and encoded in UTF32LE form. The copy will require at most (str.length+1)*4 bytes of space in the HEAP,
+// but can use less, since str.length does not return the number of characters in the string, but the number of UTF-16 code units in the string.
+function stringToUTF32(str, outPtr) {
+  var iChar = 0;
+  for(var iCodeUnit = 0; iCodeUnit < str.length; ++iCodeUnit) {
+    // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
+    var codeUnit = str.charCodeAt(iCodeUnit); // possibly a lead surrogate
+    if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
+      var trailSurrogate = str.charCodeAt(++iCodeUnit);
+      codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
+    }
+    HEAP32[(((outPtr)+(iChar*4))>>2)]=codeUnit
+    ++iChar;
+  }
+  // Null-terminate the pointer to the HEAP.
+  HEAP32[(((outPtr)+(iChar*4))>>2)]=0
+}
+Module['stringToUTF32'] = stringToUTF32;
+// Memory management
+var PAGE_SIZE = 4096;
+function alignMemoryPage(x) {
+  return ((x+4095)>>12)<<12;
+}
+var HEAP;
+var HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
+var STATIC_BASE = 0, STATICTOP = 0, staticSealed = false; // static area
+var STACK_BASE = 0, STACKTOP = 0, STACK_MAX = 0; // stack area
+var DYNAMIC_BASE = 0, DYNAMICTOP = 0; // dynamic area handled by sbrk
+function enlargeMemory() {
+  abort('Cannot enlarge memory arrays in asm.js. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value ' + TOTAL_MEMORY + ', or (2) set Module.TOTAL_MEMORY before the program runs.');
+}
+var TOTAL_STACK = Module['TOTAL_STACK'] || 5242880;
+var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 16777216;
+var FAST_MEMORY = Module['FAST_MEMORY'] || 2097152;
+// Initialize the runtime's memory
+// check for full engine support (use string 'subarray' to avoid closure compiler confusion)
+assert(!!Int32Array && !!Float64Array && !!(new Int32Array(1)['subarray']) && !!(new Int32Array(1)['set']),
+       'Cannot fallback to non-typed array case: Code is too specialized');
+var buffer = new ArrayBuffer(TOTAL_MEMORY);
+HEAP8 = new Int8Array(buffer);
+HEAP16 = new Int16Array(buffer);
+HEAP32 = new Int32Array(buffer);
+HEAPU8 = new Uint8Array(buffer);
+HEAPU16 = new Uint16Array(buffer);
+HEAPU32 = new Uint32Array(buffer);
+HEAPF32 = new Float32Array(buffer);
+HEAPF64 = new Float64Array(buffer);
+// Endianness check (note: assumes compiler arch was little-endian)
+HEAP32[0] = 255;
+assert(HEAPU8[0] === 255 && HEAPU8[3] === 0, 'Typed arrays 2 must be run on a little-endian system');
+Module['HEAP'] = HEAP;
+Module['HEAP8'] = HEAP8;
+Module['HEAP16'] = HEAP16;
+Module['HEAP32'] = HEAP32;
+Module['HEAPU8'] = HEAPU8;
+Module['HEAPU16'] = HEAPU16;
+Module['HEAPU32'] = HEAPU32;
+Module['HEAPF32'] = HEAPF32;
+Module['HEAPF64'] = HEAPF64;
+function callRuntimeCallbacks(callbacks) {
+  while(callbacks.length > 0) {
+    var callback = callbacks.shift();
+    if (typeof callback == 'function') {
+      callback();
+      continue;
+    }
+    var func = callback.func;
+    if (typeof func === 'number') {
+      if (callback.arg === undefined) {
+        Runtime.dynCall('v', func);
+      } else {
+        Runtime.dynCall('vi', func, [callback.arg]);
+      }
+    } else {
+      func(callback.arg === undefined ? null : callback.arg);
+    }
+  }
+}
+var __ATPRERUN__  = []; // functions called before the runtime is initialized
+var __ATINIT__    = []; // functions called during startup
+var __ATMAIN__    = []; // functions called when main() is to be run
+var __ATEXIT__    = []; // functions called during shutdown
+var __ATPOSTRUN__ = []; // functions called after the runtime has exited
+var runtimeInitialized = false;
+function preRun() {
+  // compatibility - merge in anything from Module['preRun'] at this time
+  if (Module['preRun']) {
+    if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
+    while (Module['preRun'].length) {
+      addOnPreRun(Module['preRun'].shift());
+    }
+  }
+  callRuntimeCallbacks(__ATPRERUN__);
+}
+function ensureInitRuntime() {
+  if (runtimeInitialized) return;
+  runtimeInitialized = true;
+  callRuntimeCallbacks(__ATINIT__);
+}
+function preMain() {
+  callRuntimeCallbacks(__ATMAIN__);
+}
+function exitRuntime() {
+  callRuntimeCallbacks(__ATEXIT__);
+}
+function postRun() {
+  // compatibility - merge in anything from Module['postRun'] at this time
+  if (Module['postRun']) {
+    if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']];
+    while (Module['postRun'].length) {
+      addOnPostRun(Module['postRun'].shift());
+    }
+  }
+  callRuntimeCallbacks(__ATPOSTRUN__);
+}
+function addOnPreRun(cb) {
+  __ATPRERUN__.unshift(cb);
+}
+Module['addOnPreRun'] = Module.addOnPreRun = addOnPreRun;
+function addOnInit(cb) {
+  __ATINIT__.unshift(cb);
+}
+Module['addOnInit'] = Module.addOnInit = addOnInit;
+function addOnPreMain(cb) {
+  __ATMAIN__.unshift(cb);
+}
+Module['addOnPreMain'] = Module.addOnPreMain = addOnPreMain;
+function addOnExit(cb) {
+  __ATEXIT__.unshift(cb);
+}
+Module['addOnExit'] = Module.addOnExit = addOnExit;
+function addOnPostRun(cb) {
+  __ATPOSTRUN__.unshift(cb);
+}
+Module['addOnPostRun'] = Module.addOnPostRun = addOnPostRun;
+// Tools
+// This processes a JS string into a C-line array of numbers, 0-terminated.
+// For LLVM-originating strings, see parser.js:parseLLVMString function
+function intArrayFromString(stringy, dontAddNull, length /* optional */) {
+  var ret = (new Runtime.UTF8Processor()).processJSString(stringy);
+  if (length) {
+    ret.length = length;
+  }
+  if (!dontAddNull) {
+    ret.push(0);
+  }
+  return ret;
+}
+Module['intArrayFromString'] = intArrayFromString;
+function intArrayToString(array) {
+  var ret = [];
+  for (var i = 0; i < array.length; i++) {
+    var chr = array[i];
+    if (chr > 0xFF) {
+      chr &= 0xFF;
+    }
+    ret.push(String.fromCharCode(chr));
+  }
+  return ret.join('');
+}
+Module['intArrayToString'] = intArrayToString;
+// Write a Javascript array to somewhere in the heap
+function writeStringToMemory(string, buffer, dontAddNull) {
+  var array = intArrayFromString(string, dontAddNull);
+  var i = 0;
+  while (i < array.length) {
+    var chr = array[i];
+    HEAP8[(((buffer)+(i))|0)]=chr
+    i = i + 1;
+  }
+}
+Module['writeStringToMemory'] = writeStringToMemory;
+function writeArrayToMemory(array, buffer) {
+  for (var i = 0; i < array.length; i++) {
+    HEAP8[(((buffer)+(i))|0)]=array[i];
+  }
+}
+Module['writeArrayToMemory'] = writeArrayToMemory;
+function unSign(value, bits, ignore, sig) {
+  if (value >= 0) {
+    return value;
+  }
+  return bits <= 32 ? 2*Math.abs(1 << (bits-1)) + value // Need some trickery, since if bits == 32, we are right at the limit of the bits JS uses in bitshifts
+                    : Math.pow(2, bits)         + value;
+}
+function reSign(value, bits, ignore, sig) {
+  if (value <= 0) {
+    return value;
+  }
+  var half = bits <= 32 ? Math.abs(1 << (bits-1)) // abs is needed if bits == 32
+                        : Math.pow(2, bits-1);
+  if (value >= half && (bits <= 32 || value > half)) { // for huge values, we can hit the precision limit and always get true here. so don't do that
+                                                       // but, in general there is no perfect solution here. With 64-bit ints, we get rounding and errors
+                                                       // TODO: In i64 mode 1, resign the two parts separately and safely
+    value = -2*half + value; // Cannot bitshift half, as it may be at the limit of the bits JS uses in bitshifts
+  }
+  return value;
+}
+if (!Math['imul']) Math['imul'] = function(a, b) {
+  var ah  = a >>> 16;
+  var al = a & 0xffff;
+  var bh  = b >>> 16;
+  var bl = b & 0xffff;
+  return (al*bl + ((ah*bl + al*bh) << 16))|0;
+};
+Math.imul = Math['imul'];
+// A counter of dependencies for calling run(). If we need to
+// do asynchronous work before running, increment this and
+// decrement it. Incrementing must happen in a place like
+// PRE_RUN_ADDITIONS (used by emcc to add file preloading).
+// Note that you can add dependencies in preRun, even though
+// it happens right before run - run will be postponed until
+// the dependencies are met.
+var runDependencies = 0;
+var runDependencyTracking = {};
+var calledInit = false, calledRun = false;
+var runDependencyWatcher = null;
+function addRunDependency(id) {
+  runDependencies++;
+  if (Module['monitorRunDependencies']) {
+    Module['monitorRunDependencies'](runDependencies);
+  }
+  if (id) {
+    assert(!runDependencyTracking[id]);
+    runDependencyTracking[id] = 1;
+  } else {
+    Module.printErr('warning: run dependency added without ID');
+  }
+}
+Module['addRunDependency'] = addRunDependency;
+function removeRunDependency(id) {
+  runDependencies--;
+  if (Module['monitorRunDependencies']) {
+    Module['monitorRunDependencies'](runDependencies);
+  }
+  if (id) {
+    assert(runDependencyTracking[id]);
+    delete runDependencyTracking[id];
+  } else {
+    Module.printErr('warning: run dependency removed without ID');
+  }
+  if (runDependencies == 0) {
+    if (runDependencyWatcher !== null) {
+      clearInterval(runDependencyWatcher);
+      runDependencyWatcher = null;
+    } 
+    // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
+    if (!calledRun) run();
+  }
+}
+Module['removeRunDependency'] = removeRunDependency;
+Module["preloadedImages"] = {}; // maps url to image data
+Module["preloadedAudios"] = {}; // maps url to audio data
+function loadMemoryInitializer(filename) {
+  function applyData(data) {
+    HEAPU8.set(data, STATIC_BASE);
+  }
+  // always do this asynchronously, to keep shell and web as similar as possible
+  addOnPreRun(function() {
+    if (ENVIRONMENT_IS_NODE || ENVIRONMENT_IS_SHELL) {
+      applyData(Module['readBinary'](filename));
+    } else {
+      Browser.asyncLoad(filename, function(data) {
+        applyData(data);
+      }, function(data) {
+        throw 'could not load memory initializer ' + filename;
+      });
+    }
+  });
+}
+// === Body ===
+STATIC_BASE = 8;
+STATICTOP = STATIC_BASE + 14352;
+/* global initializers */ __ATINIT__.push({ func: function() { runPostSets() } },{ func: function() { __GLOBAL__I_a() } });
+var ___dso_handle;
+var __ZTVN10__cxxabiv120__si_class_type_infoE;
+var __ZTVN10__cxxabiv117__class_type_infoE;
+var __ZN23btDiscreteDynamicsWorldC1EP12btDispatcherP21btBroadphaseInterfaceP18btConstraintSolverP24btCollisionConfiguration;
+var __ZN11btRigidBodyC1ERKNS_27btRigidBodyConstructionInfoE;
+var __ZN11btRigidBodyC1EfP13btMotionStateP16btCollisionShapeRK9btVector3;
+var __ZN35btSequentialImpulseConstraintSolverC1Ev;
+var __ZN21btCollisionDispatcherC1EP24btCollisionConfiguration;
+var __ZN27btContinuousConvexCollisionC1EPK13btConvexShapeS2_P22btVoronoiSimplexSolverP30btConvexPenetrationDepthSolver;
+var __ZN27btContinuousConvexCollisionC1EPK13btConvexShapePK18btStaticPlaneShape;
+var __ZN16btDbvtBroadphaseC1EP22btOverlappingPairCache;
+var __ZN31btDefaultCollisionConfigurationC1ERK34btDefaultCollisionConstructionInfo;
+var __ZN16btEmptyAlgorithmC1ERK36btCollisionAlgorithmConstructionInfo;
+var __ZN17btGjkPairDetectorC1EPK13btConvexShapeS2_P22btVoronoiSimplexSolverP30btConvexPenetrationDepthSolver;
+var __ZN17btGjkPairDetectorC1EPK13btConvexShapeS2_iiffP22btVoronoiSimplexSolverP30btConvexPenetrationDepthSolver;
+var __ZN16btManifoldResultC1EP17btCollisionObjectS1_;
+var __ZN28btHashedOverlappingPairCacheC1Ev;
+var __ZN25btSimulationIslandManagerC1Ev;
+var __ZN32btSphereSphereCollisionAlgorithmC1EP20btPersistentManifoldRK36btCollisionAlgorithmConstructionInfoP17btCollisionObjectS6_;
+var __ZN34btSphereTriangleCollisionAlgorithmC1EP20btPersistentManifoldRK36btCollisionAlgorithmConstructionInfoP17btCollisionObjectS6_b;
+var __ZN22btSubsimplexConvexCastC1EPK13btConvexShapeS2_P22btVoronoiSimplexSolver;
+var __ZN11btUnionFindD1Ev;
+var __ZN11btUnionFindC1Ev;
+var __ZN22SphereTriangleDetectorC1EP13btSphereShapeP15btTriangleShapef;
+var __ZN26btBoxBoxCollisionAlgorithmC1EP20btPersistentManifoldRK36btCollisionAlgorithmConstructionInfoP17btCollisionObjectS6_;
+var __ZN16btBoxBoxDetectorC1EP10btBoxShapeS1_;
+var __ZN28btCompoundCollisionAlgorithmC1ERK36btCollisionAlgorithmConstructionInfoP17btCollisionObjectS4_b;
+var __ZN33btConvexConcaveCollisionAlgorithmC1ERK36btCollisionAlgorithmConstructionInfoP17btCollisionObjectS4_b;
+var __ZN23btConvexConvexAlgorithm10CreateFuncC1EP22btVoronoiSimplexSolverP30btConvexPenetrationDepthSolver;
+var __ZN31btConvexPlaneCollisionAlgorithmC1EP20btPersistentManifoldRK36btCollisionAlgorithmConstructionInfoP17btCollisionObjectS6_bii;
+var __ZN18btConvexPolyhedronC1Ev;
+var __ZN6btDbvtC1Ev;
+var __ZN6btDbvtD1Ev;
+var __ZN15btGjkConvexCastC1EPK13btConvexShapeS2_P22btVoronoiSimplexSolver;
+__ZTVN10__cxxabiv120__si_class_type_infoE=allocate([0,0,0,0,96,42,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], "i8", ALLOC_STATIC);
+__ZTVN10__cxxabiv117__class_type_infoE=allocate([0,0,0,0,112,42,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], "i8", ALLOC_STATIC);
+/* memory initializer */ 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+, "i8", ALLOC_NONE, Runtime.GLOBAL_BASE)
+var tempDoublePtr = Runtime.alignMemory(allocate(12, "i8", ALLOC_STATIC), 8);
+assert(tempDoublePtr % 8 == 0);
+function copyTempFloat(ptr) { // functions, because inlining this code increases code size too much
+  HEAP8[tempDoublePtr] = HEAP8[ptr];
+  HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
+  HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
+  HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
+}
+function copyTempDouble(ptr) {
+  HEAP8[tempDoublePtr] = HEAP8[ptr];
+  HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
+  HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
+  HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
+  HEAP8[tempDoublePtr+4] = HEAP8[ptr+4];
+  HEAP8[tempDoublePtr+5] = HEAP8[ptr+5];
+  HEAP8[tempDoublePtr+6] = HEAP8[ptr+6];
+  HEAP8[tempDoublePtr+7] = HEAP8[ptr+7];
+}
+  function ___gxx_personality_v0() {
+    }
+  function __exit(status) {
+      // void _exit(int status);
+      // http://pubs.opengroup.org/onlinepubs/000095399/functions/exit.html
+      Module.print('exit(' + status + ') called');
+      Module['exit'](status);
+    }function _exit(status) {
+      __exit(status);
+    }function __ZSt9terminatev() {
+      _exit(-1234);
+    }
+  var ERRNO_CODES={EPERM:1,ENOENT:2,ESRCH:3,EINTR:4,EIO:5,ENXIO:6,E2BIG:7,ENOEXEC:8,EBADF:9,ECHILD:10,EAGAIN:11,EWOULDBLOCK:11,ENOMEM:12,EACCES:13,EFAULT:14,ENOTBLK:15,EBUSY:16,EEXIST:17,EXDEV:18,ENODEV:19,ENOTDIR:20,EISDIR:21,EINVAL:22,ENFILE:23,EMFILE:24,ENOTTY:25,ETXTBSY:26,EFBIG:27,ENOSPC:28,ESPIPE:29,EROFS:30,EMLINK:31,EPIPE:32,EDOM:33,ERANGE:34,ENOMSG:35,EIDRM:36,ECHRNG:37,EL2NSYNC:38,EL3HLT:39,EL3RST:40,ELNRNG:41,EUNATCH:42,ENOCSI:43,EL2HLT:44,EDEADLK:45,ENOLCK:46,EBADE:50,EBADR:51,EXFULL:52,ENOANO:53,EBADRQC:54,EBADSLT:55,EDEADLOCK:56,EBFONT:57,ENOSTR:60,ENODATA:61,ETIME:62,ENOSR:63,ENONET:64,ENOPKG:65,EREMOTE:66,ENOLINK:67,EADV:68,ESRMNT:69,ECOMM:70,EPROTO:71,EMULTIHOP:74,EDOTDOT:76,EBADMSG:77,ENOTUNIQ:80,EBADFD:81,EREMCHG:82,ELIBACC:83,ELIBBAD:84,ELIBSCN:85,ELIBMAX:86,ELIBEXEC:87,ENOSYS:88,ENOTEMPTY:90,ENAMETOOLONG:91,ELOOP:92,EOPNOTSUPP:95,EPFNOSUPPORT:96,ECONNRESET:104,ENOBUFS:105,EAFNOSUPPORT:106,EPROTOTYPE:107,ENOTSOCK:108,ENOPROTOOPT:109,ESHUTDOWN:110,ECONNREFUSED:111,EADDRINUSE:112,ECONNABORTED:113,ENETUNREACH:114,ENETDOWN:115,ETIMEDOUT:116,EHOSTDOWN:117,EHOSTUNREACH:118,EINPROGRESS:119,EALREADY:120,EDESTADDRREQ:121,EMSGSIZE:122,EPROTONOSUPPORT:123,ESOCKTNOSUPPORT:124,EADDRNOTAVAIL:125,ENETRESET:126,EISCONN:127,ENOTCONN:128,ETOOMANYREFS:129,EUSERS:131,EDQUOT:132,ESTALE:133,ENOTSUP:134,ENOMEDIUM:135,EILSEQ:138,EOVERFLOW:139,ECANCELED:140,ENOTRECOVERABLE:141,EOWNERDEAD:142,ESTRPIPE:143};
+  var ERRNO_MESSAGES={0:"Success",1:"Not super-user",2:"No such file or directory",3:"No such process",4:"Interrupted system call",5:"I/O error",6:"No such device or address",7:"Arg list too long",8:"Exec format error",9:"Bad file number",10:"No children",11:"No more processes",12:"Not enough core",13:"Permission denied",14:"Bad address",15:"Block device required",16:"Mount device busy",17:"File exists",18:"Cross-device link",19:"No such device",20:"Not a directory",21:"Is a directory",22:"Invalid argument",23:"Too many open files in system",24:"Too many open files",25:"Not a typewriter",26:"Text file busy",27:"File too large",28:"No space left on device",29:"Illegal seek",30:"Read only file system",31:"Too many links",32:"Broken pipe",33:"Math arg out of domain of func",34:"Math result not representable",35:"No message of desired type",36:"Identifier removed",37:"Channel number out of range",38:"Level 2 not synchronized",39:"Level 3 halted",40:"Level 3 reset",41:"Link number out of range",42:"Protocol driver not attached",43:"No CSI structure available",44:"Level 2 halted",45:"Deadlock condition",46:"No record locks available",50:"Invalid exchange",51:"Invalid request descriptor",52:"Exchange full",53:"No anode",54:"Invalid request code",55:"Invalid slot",56:"File locking deadlock error",57:"Bad font file fmt",60:"Device not a stream",61:"No data (for no delay io)",62:"Timer expired",63:"Out of streams resources",64:"Machine is not on the network",65:"Package not installed",66:"The object is remote",67:"The link has been severed",68:"Advertise error",69:"Srmount error",70:"Communication error on send",71:"Protocol error",74:"Multihop attempted",76:"Cross mount point (not really error)",77:"Trying to read unreadable message",80:"Given log. name not unique",81:"f.d. invalid for this operation",82:"Remote address changed",83:"Can   access a needed shared lib",84:"Accessing a corrupted shared lib",85:".lib section in a.out corrupted",86:"Attempting to link in too many libs",87:"Attempting to exec a shared library",88:"Function not implemented",90:"Directory not empty",91:"File or path name too long",92:"Too many symbolic links",95:"Operation not supported on transport endpoint",96:"Protocol family not supported",104:"Connection reset by peer",105:"No buffer space available",106:"Address family not supported by protocol family",107:"Protocol wrong type for socket",108:"Socket operation on non-socket",109:"Protocol not available",110:"Can't send after socket shutdown",111:"Connection refused",112:"Address already in use",113:"Connection aborted",114:"Network is unreachable",115:"Network interface is not configured",116:"Connection timed out",117:"Host is down",118:"Host is unreachable",119:"Connection already in progress",120:"Socket already connected",121:"Destination address required",122:"Message too long",123:"Unknown protocol",124:"Socket type not supported",125:"Address not available",126:"Connection reset by network",127:"Socket is already connected",128:"Socket is not connected",129:"Too many references",131:"Too many users",132:"Quota exceeded",133:"Stale file handle",134:"Not supported",135:"No medium (in tape drive)",138:"Illegal byte sequence",139:"Value too large for defined data type",140:"Operation canceled",141:"State not recoverable",142:"Previous owner died",143:"Streams pipe error"};
+  var ___errno_state=0;function ___setErrNo(value) {
+      // For convenient setting and returning of errno.
+      HEAP32[((___errno_state)>>2)]=value
+      return value;
+    }
+  var VFS=undefined;
+  var PATH={splitPath:function (filename) {
+        var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+        return splitPathRe.exec(filename).slice(1);
+      },normalizeArray:function (parts, allowAboveRoot) {
+        // if the path tries to go above the root, `up` ends up > 0
+        var up = 0;
+        for (var i = parts.length - 1; i >= 0; i--) {
+          var last = parts[i];
+          if (last === '.') {
+            parts.splice(i, 1);
+          } else if (last === '..') {
+            parts.splice(i, 1);
+            up++;
+          } else if (up) {
+            parts.splice(i, 1);
+            up--;
+          }
+        }
+        // if the path is allowed to go above the root, restore leading ..s
+        if (allowAboveRoot) {
+          for (; up--; up) {
+            parts.unshift('..');
+          }
+        }
+        return parts;
+      },normalize:function (path) {
+        var isAbsolute = path.charAt(0) === '/',
+            trailingSlash = path.substr(-1) === '/';
+        // Normalize the path
+        path = PATH.normalizeArray(path.split('/').filter(function(p) {
+          return !!p;
+        }), !isAbsolute).join('/');
+        if (!path && !isAbsolute) {
+          path = '.';
+        }
+        if (path && trailingSlash) {
+          path += '/';
+        }
+        return (isAbsolute ? '/' : '') + path;
+      },dirname:function (path) {
+        var result = PATH.splitPath(path),
+            root = result[0],
+            dir = result[1];
+        if (!root && !dir) {
+          // No dirname whatsoever
+          return '.';
+        }
+        if (dir) {
+          // It has a dirname, strip trailing slash
+          dir = dir.substr(0, dir.length - 1);
+        }
+        return root + dir;
+      },basename:function (path, ext) {
+        // EMSCRIPTEN return '/'' for '/', not an empty string
+        if (path === '/') return '/';
+        var f = PATH.splitPath(path)[2];
+        if (ext && f.substr(-1 * ext.length) === ext) {
+          f = f.substr(0, f.length - ext.length);
+        }
+        return f;
+      },extname:function (path) {
+        return PATH.splitPath(path)[3];
+      },join:function () {
+        var paths = Array.prototype.slice.call(arguments, 0);
+        return PATH.normalize(paths.filter(function(p, index) {
+          if (typeof p !== 'string') {
+            throw new TypeError('Arguments to path.join must be strings');
+          }
+          return p;
+        }).join('/'));
+      },resolve:function () {
+        var resolvedPath = '',
+          resolvedAbsolute = false;
+        for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+          var path = (i >= 0) ? arguments[i] : FS.cwd();
+          // Skip empty and invalid entries
+          if (typeof path !== 'string') {
+            throw new TypeError('Arguments to path.resolve must be strings');
+          } else if (!path) {
+            continue;
+          }
+          resolvedPath = path + '/' + resolvedPath;
+          resolvedAbsolute = path.charAt(0) === '/';
+        }
+        // At this point the path should be resolved to a full absolute path, but
+        // handle relative paths to be safe (might happen when process.cwd() fails)
+        resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) {
+          return !!p;
+        }), !resolvedAbsolute).join('/');
+        return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
+      },relative:function (from, to) {
+        from = PATH.resolve(from).substr(1);
+        to = PATH.resolve(to).substr(1);
+        function trim(arr) {
+          var start = 0;
+          for (; start < arr.length; start++) {
+            if (arr[start] !== '') break;
+          }
+          var end = arr.length - 1;
+          for (; end >= 0; end--) {
+            if (arr[end] !== '') break;
+          }
+          if (start > end) return [];
+          return arr.slice(start, end - start + 1);
+        }
+        var fromParts = trim(from.split('/'));
+        var toParts = trim(to.split('/'));
+        var length = Math.min(fromParts.length, toParts.length);
+        var samePartsLength = length;
+        for (var i = 0; i < length; i++) {
+          if (fromParts[i] !== toParts[i]) {
+            samePartsLength = i;
+            break;
+          }
+        }
+        var outputParts = [];
+        for (var i = samePartsLength; i < fromParts.length; i++) {
+          outputParts.push('..');
+        }
+        outputParts = outputParts.concat(toParts.slice(samePartsLength));
+        return outputParts.join('/');
+      }};
+  var TTY={ttys:[],init:function () {
+        // https://github.com/kripken/emscripten/pull/1555
+        // if (ENVIRONMENT_IS_NODE) {
+        //   // currently, FS.init does not distinguish if process.stdin is a file or TTY
+        //   // device, it always assumes it's a TTY device. because of this, we're forcing
+        //   // process.stdin to UTF8 encoding to at least make stdin reading compatible
+        //   // with text files until FS.init can be refactored.
+        //   process['stdin']['setEncoding']('utf8');
+        // }
+      },shutdown:function () {
+        // https://github.com/kripken/emscripten/pull/1555
+        // if (ENVIRONMENT_IS_NODE) {
+        //   // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
+        //   // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
+        //   // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
+        //   // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
+        //   // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
+        //   process['stdin']['pause']();
+        // }
+      },register:function (dev, ops) {
+        TTY.ttys[dev] = { input: [], output: [], ops: ops };
+        FS.registerDevice(dev, TTY.stream_ops);
+      },stream_ops:{open:function (stream) {
+          var tty = TTY.ttys[stream.node.rdev];
+          if (!tty) {
+            throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
+          }
+          stream.tty = tty;
+          stream.seekable = false;
+        },close:function (stream) {
+          // flush any pending line data
+          if (stream.tty.output.length) {
+            stream.tty.ops.put_char(stream.tty, 10);
+          }
+        },read:function (stream, buffer, offset, length, pos /* ignored */) {
+          if (!stream.tty || !stream.tty.ops.get_char) {
+            throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
+          }
+          var bytesRead = 0;
+          for (var i = 0; i < length; i++) {
+            var result;
+            try {
+              result = stream.tty.ops.get_char(stream.tty);
+            } catch (e) {
+              throw new FS.ErrnoError(ERRNO_CODES.EIO);
+            }
+            if (result === undefined && bytesRead === 0) {
+              throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
+            }
+            if (result === null || result === undefined) break;
+            bytesRead++;
+            buffer[offset+i] = result;
+          }
+          if (bytesRead) {
+            stream.node.timestamp = Date.now();
+          }
+          return bytesRead;
+        },write:function (stream, buffer, offset, length, pos) {
+          if (!stream.tty || !stream.tty.ops.put_char) {
+            throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
+          }
+          for (var i = 0; i < length; i++) {
+            try {
+              stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
+            } catch (e) {
+              throw new FS.ErrnoError(ERRNO_CODES.EIO);
+            }
+          }
+          if (length) {
+            stream.node.timestamp = Date.now();
+          }
+          return i;
+        }},default_tty_ops:{get_char:function (tty) {
+          if (!tty.input.length) {
+            var result = null;
+            if (ENVIRONMENT_IS_NODE) {
+              result = process['stdin']['read']();
+              if (!result) {
+                if (process['stdin']['_readableState'] && process['stdin']['_readableState']['ended']) {
+                  return null;  // EOF
+                }
+                return undefined;  // no data available
+              }
+            } else if (typeof window != 'undefined' &&
+              typeof window.prompt == 'function') {
+              // Browser.
+              result = window.prompt('Input: ');  // returns null on cancel
+              if (result !== null) {
+                result += '\n';
+              }
+            } else if (typeof readline == 'function') {
+              // Command line.
+              result = readline();
+              if (result !== null) {
+                result += '\n';
+              }
+            }
+            if (!result) {
+              return null;
+            }
+            tty.input = intArrayFromString(result, true);
+          }
+          return tty.input.shift();
+        },put_char:function (tty, val) {
+          if (val === null || val === 10) {
+            Module['print'](tty.output.join(''));
+            tty.output = [];
+          } else {
+            tty.output.push(TTY.utf8.processCChar(val));
+          }
+        }},default_tty1_ops:{put_char:function (tty, val) {
+          if (val === null || val === 10) {
+            Module['printErr'](tty.output.join(''));
+            tty.output = [];
+          } else {
+            tty.output.push(TTY.utf8.processCChar(val));
+          }
+        }}};
+  var MEMFS={CONTENT_OWNING:1,CONTENT_FLEXIBLE:2,CONTENT_FIXED:3,ensureFlexible:function (node) {
+        if (node.contentMode !== MEMFS.CONTENT_FLEXIBLE) {
+          var contents = node.contents;
+          node.contents = Array.prototype.slice.call(contents);
+          node.contentMode = MEMFS.CONTENT_FLEXIBLE;
+        }
+      },mount:function (mount) {
+        return MEMFS.create_node(null, '/', 0040000 | 0777, 0);
+      },create_node:function (parent, name, mode, dev) {
+        if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
+          // no supported
+          throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+        }
+        var node = FS.createNode(parent, name, mode, dev);
+        if (FS.isDir(node.mode)) {
+          node.node_ops = {
+            getattr: MEMFS.node_ops.getattr,
+            setattr: MEMFS.node_ops.setattr,
+            lookup: MEMFS.node_ops.lookup,
+            mknod: MEMFS.node_ops.mknod,
+            mknod: MEMFS.node_ops.mknod,
+            rename: MEMFS.node_ops.rename,
+            unlink: MEMFS.node_ops.unlink,
+            rmdir: MEMFS.node_ops.rmdir,
+            readdir: MEMFS.node_ops.readdir,
+            symlink: MEMFS.node_ops.symlink
+          };
+          node.stream_ops = {
+            llseek: MEMFS.stream_ops.llseek
+          };
+          node.contents = {};
+        } else if (FS.isFile(node.mode)) {
+          node.node_ops = {
+            getattr: MEMFS.node_ops.getattr,
+            setattr: MEMFS.node_ops.setattr
+          };
+          node.stream_ops = {
+            llseek: MEMFS.stream_ops.llseek,
+            read: MEMFS.stream_ops.read,
+            write: MEMFS.stream_ops.write,
+            allocate: MEMFS.stream_ops.allocate,
+            mmap: MEMFS.stream_ops.mmap
+          };
+          node.contents = [];
+          node.contentMode = MEMFS.CONTENT_FLEXIBLE;
+        } else if (FS.isLink(node.mode)) {
+          node.node_ops = {
+            getattr: MEMFS.node_ops.getattr,
+            setattr: MEMFS.node_ops.setattr,
+            readlink: MEMFS.node_ops.readlink
+          };
+          node.stream_ops = {};
+        } else if (FS.isChrdev(node.mode)) {
+          node.node_ops = {
+            getattr: MEMFS.node_ops.getattr,
+            setattr: MEMFS.node_ops.setattr
+          };
+          node.stream_ops = FS.chrdev_stream_ops;
+        }
+        node.timestamp = Date.now();
+        // add the new node to the parent
+        if (parent) {
+          parent.contents[name] = node;
+        }
+        return node;
+      },node_ops:{getattr:function (node) {
+          var attr = {};
+          // device numbers reuse inode numbers.
+          attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
+          attr.ino = node.id;
+          attr.mode = node.mode;
+          attr.nlink = 1;
+          attr.uid = 0;
+          attr.gid = 0;
+          attr.rdev = node.rdev;
+          if (FS.isDir(node.mode)) {
+            attr.size = 4096;
+          } else if (FS.isFile(node.mode)) {
+            attr.size = node.contents.length;
+          } else if (FS.isLink(node.mode)) {
+            attr.size = node.link.length;
+          } else {
+            attr.size = 0;
+          }
+          attr.atime = new Date(node.timestamp);
+          attr.mtime = new Date(node.timestamp);
+          attr.ctime = new Date(node.timestamp);
+          // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
+          //       but this is not required by the standard.
+          attr.blksize = 4096;
+          attr.blocks = Math.ceil(attr.size / attr.blksize);
+          return attr;
+        },setattr:function (node, attr) {
+          if (attr.mode !== undefined) {
+            node.mode = attr.mode;
+          }
+          if (attr.timestamp !== undefined) {
+            node.timestamp = attr.timestamp;
+          }
+          if (attr.size !== undefined) {
+            MEMFS.ensureFlexible(node);
+            var contents = node.contents;
+            if (attr.size < contents.length) contents.length = attr.size;
+            else while (attr.size > contents.length) contents.push(0);
+          }
+        },lookup:function (parent, name) {
+          throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
+        },mknod:function (parent, name, mode, dev) {
+          return MEMFS.create_node(parent, name, mode, dev);
+        },rename:function (old_node, new_dir, new_name) {
+          // if we're overwriting a directory at new_name, make sure it's empty.
+          if (FS.isDir(old_node.mode)) {
+            var new_node;
+            try {
+              new_node = FS.lookupNode(new_dir, new_name);
+            } catch (e) {
+            }
+            if (new_node) {
+              for (var i in new_node.contents) {
+                throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
+              }
+            }
+          }
+          // do the internal rewiring
+          delete old_node.parent.contents[old_node.name];
+          old_node.name = new_name;
+          new_dir.contents[new_name] = old_node;
+        },unlink:function (parent, name) {
+          delete parent.contents[name];
+        },rmdir:function (parent, name) {
+          var node = FS.lookupNode(parent, name);
+          for (var i in node.contents) {
+            throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
+          }
+          delete parent.contents[name];
+        },readdir:function (node) {
+          var entries = ['.', '..']
+          for (var key in node.contents) {
+            if (!node.contents.hasOwnProperty(key)) {
+              continue;
+            }
+            entries.push(key);
+          }
+          return entries;
+        },symlink:function (parent, newname, oldpath) {
+          var node = MEMFS.create_node(parent, newname, 0777 | 0120000, 0);
+          node.link = oldpath;
+          return node;
+        },readlink:function (node) {
+          if (!FS.isLink(node.mode)) {
+            throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+          }
+          return node.link;
+        }},stream_ops:{read:function (stream, buffer, offset, length, position) {
+          var contents = stream.node.contents;
+          var size = Math.min(contents.length - position, length);
+          if (size > 8 && contents.subarray) { // non-trivial, and typed array
+            buffer.set(contents.subarray(position, position + size), offset);
+          } else
+          {
+            for (var i = 0; i < size; i++) {
+              buffer[offset + i] = contents[position + i];
+            }
+          }
+          return size;
+        },write:function (stream, buffer, offset, length, position, canOwn) {
+          var node = stream.node;
+          node.timestamp = Date.now();
+          var contents = node.contents;
+          if (length && contents.length === 0 && position === 0 && buffer.subarray) {
+            // just replace it with the new data
+            assert(buffer.length);
+            if (canOwn && buffer.buffer === HEAP8.buffer && offset === 0) {
+              node.contents = buffer; // this is a subarray of the heap, and we can own it
+              node.contentMode = MEMFS.CONTENT_OWNING;
+            } else {
+              node.contents = new Uint8Array(buffer.subarray(offset, offset+length));
+              node.contentMode = MEMFS.CONTENT_FIXED;
+            }
+            return length;
+          }
+          MEMFS.ensureFlexible(node);
+          var contents = node.contents;
+          while (contents.length < position) contents.push(0);
+          for (var i = 0; i < length; i++) {
+            contents[position + i] = buffer[offset + i];
+          }
+          return length;
+        },llseek:function (stream, offset, whence) {
+          var position = offset;
+          if (whence === 1) {  // SEEK_CUR.
+            position += stream.position;
+          } else if (whence === 2) {  // SEEK_END.
+            if (FS.isFile(stream.node.mode)) {
+              position += stream.node.contents.length;
+            }
+          }
+          if (position < 0) {
+            throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+          }
+          stream.ungotten = [];
+          stream.position = position;
+          return position;
+        },allocate:function (stream, offset, length) {
+          MEMFS.ensureFlexible(stream.node);
+          var contents = stream.node.contents;
+          var limit = offset + length;
+          while (limit > contents.length) contents.push(0);
+        },mmap:function (stream, buffer, offset, length, position, prot, flags) {
+          if (!FS.isFile(stream.node.mode)) {
+            throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
+          }
+          var ptr;
+          var allocated;
+          var contents = stream.node.contents;
+          // Only make a new copy when MAP_PRIVATE is specified.
+          if ( !(flags & 0x02) &&
+                (contents.buffer === buffer || contents.buffer === buffer.buffer) ) {
+            // We can't emulate MAP_SHARED when the file is not backed by the buffer
+            // we're mapping to (e.g. the HEAP buffer).
+            allocated = false;
+            ptr = contents.byteOffset;
+          } else {
+            // Try to avoid unnecessary slices.
+            if (position > 0 || position + length < contents.length) {
+              if (contents.subarray) {
+                contents = contents.subarray(position, position + length);
+              } else {
+                contents = Array.prototype.slice.call(contents, position, position + length);
+              }
+            }
+            allocated = true;
+            ptr = _malloc(length);
+            if (!ptr) {
+              throw new FS.ErrnoError(ERRNO_CODES.ENOMEM);
+            }
+            buffer.set(contents, ptr);
+          }
+          return { ptr: ptr, allocated: allocated };
+        }}};
+  var _stdin=allocate(1, "i32*", ALLOC_STATIC);
+  var _stdout=allocate(1, "i32*", ALLOC_STATIC);
+  var _stderr=allocate(1, "i32*", ALLOC_STATIC);
+  function _fflush(stream) {
+      // int fflush(FILE *stream);
+      // http://pubs.opengroup.org/onlinepubs/000095399/functions/fflush.html
+      // we don't currently perform any user-space buffering of data
+    }var FS={root:null,devices:[null],streams:[null],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:function ErrnoError(errno) {
+          this.errno = errno;
+          for (var key in ERRNO_CODES) {
+            if (ERRNO_CODES[key] === errno) {
+              this.code = key;
+              break;
+            }
+          }
+          this.message = ERRNO_MESSAGES[errno];
+        },handleFSError:function (e) {
+        if (!(e instanceof FS.ErrnoError)) throw e + ' : ' + new Error().stack;
+        return ___setErrNo(e.errno);
+      },cwd:function () {
+        return FS.currentPath;
+      },lookupPath:function (path, opts) {
+        path = PATH.resolve(FS.currentPath, path);
+        opts = opts || { recurse_count: 0 };
+        if (opts.recurse_count > 8) {  // max recursive lookup of 8
+          throw new FS.ErrnoError(ERRNO_CODES.ELOOP);
+        }
+        // split the path
+        var parts = PATH.normalizeArray(path.split('/').filter(function(p) {
+          return !!p;
+        }), false);
+        // start at the root
+        var current = FS.root;
+        var current_path = '/';
+        for (var i = 0; i < parts.length; i++) {
+          var islast = (i === parts.length-1);
+          if (islast && opts.parent) {
+            // stop resolving
+            break;
+          }
+          current = FS.lookupNode(current, parts[i]);
+          current_path = PATH.join(current_path, parts[i]);
+          // jump to the mount's root node if this is a mountpoint
+          if (FS.isMountpoint(current)) {
+            current = current.mount.root;
+          }
+          // follow symlinks
+          // by default, lookupPath will not follow a symlink if it is the final path component.
+          // setting opts.follow = true will override this behavior.
+          if (!islast || opts.follow) {
+            var count = 0;
+            while (FS.isLink(current.mode)) {
+              var link = FS.readlink(current_path);
+              current_path = PATH.resolve(PATH.dirname(current_path), link);
+              var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count });
+              current = lookup.node;
+              if (count++ > 40) {  // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
+                throw new FS.ErrnoError(ERRNO_CODES.ELOOP);
+              }
+            }
+          }
+        }
+        return { path: current_path, node: current };
+      },getPath:function (node) {
+        var path;
+        while (true) {
+          if (FS.isRoot(node)) {
+            return path ? PATH.join(node.mount.mountpoint, path) : node.mount.mountpoint;
+          }
+          path = path ? PATH.join(node.name, path) : node.name;
+          node = node.parent;
+        }
+      },hashName:function (parentid, name) {
+        var hash = 0;
+        for (var i = 0; i < name.length; i++) {
+          hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
+        }
+        return ((parentid + hash) >>> 0) % FS.nameTable.length;
+      },hashAddNode:function (node) {
+        var hash = FS.hashName(node.parent.id, node.name);
+        node.name_next = FS.nameTable[hash];
+        FS.nameTable[hash] = node;
+      },hashRemoveNode:function (node) {
+        var hash = FS.hashName(node.parent.id, node.name);
+        if (FS.nameTable[hash] === node) {
+          FS.nameTable[hash] = node.name_next;
+        } else {
+          var current = FS.nameTable[hash];
+          while (current) {
+            if (current.name_next === node) {
+              current.name_next = node.name_next;
+              break;
+            }
+            current = current.name_next;
+          }
+        }
+      },lookupNode:function (parent, name) {
+        var err = FS.mayLookup(parent);
+        if (err) {
+          throw new FS.ErrnoError(err);
+        }
+        var hash = FS.hashName(parent.id, name);
+        for (var node = FS.nameTable[hash]; node; node = node.name_next) {
+          if (node.parent.id === parent.id && node.name === name) {
+            return node;
+          }
+        }
+        // if we failed to find it in the cache, call into the VFS
+        return FS.lookup(parent, name);
+      },createNode:function (parent, name, mode, rdev) {
+        var node = {
+          id: FS.nextInode++,
+          name: name,
+          mode: mode,
+          node_ops: {},
+          stream_ops: {},
+          rdev: rdev,
+          parent: null,
+          mount: null
+        };
+        if (!parent) {
+          parent = node;  // root node sets parent to itself
+        }
+        node.parent = parent;
+        node.mount = parent.mount;
+        // compatibility
+        var readMode = 292 | 73;
+        var writeMode = 146;
+        // NOTE we must use Object.defineProperties instead of individual calls to
+        // Object.defineProperty in order to make closure compiler happy
+        Object.defineProperties(node, {
+          read: {
+            get: function() { return (node.mode & readMode) === readMode; },
+            set: function(val) { val ? node.mode |= readMode : node.mode &= ~readMode; }
+          },
+          write: {
+            get: function() { return (node.mode & writeMode) === writeMode; },
+            set: function(val) { val ? node.mode |= writeMode : node.mode &= ~writeMode; }
+          },
+          isFolder: {
+            get: function() { return FS.isDir(node.mode); },
+          },
+          isDevice: {
+            get: function() { return FS.isChrdev(node.mode); },
+          },
+        });
+        FS.hashAddNode(node);
+        return node;
+      },destroyNode:function (node) {
+        FS.hashRemoveNode(node);
+      },isRoot:function (node) {
+        return node === node.parent;
+      },isMountpoint:function (node) {
+        return node.mounted;
+      },isFile:function (mode) {
+        return (mode & 0170000) === 0100000;
+      },isDir:function (mode) {
+        return (mode & 0170000) === 0040000;
+      },isLink:function (mode) {
+        return (mode & 0170000) === 0120000;
+      },isChrdev:function (mode) {
+        return (mode & 0170000) === 0020000;
+      },isBlkdev:function (mode) {
+        return (mode & 0170000) === 0060000;
+      },isFIFO:function (mode) {
+        return (mode & 0170000) === 0010000;
+      },isSocket:function (mode) {
+        return (mode & 0140000) === 0140000;
+      },flagModes:{"r":0,"rs":8192,"r+":2,"w":1537,"wx":3585,"xw":3585,"w+":1538,"wx+":3586,"xw+":3586,"a":521,"ax":2569,"xa":2569,"a+":522,"ax+":2570,"xa+":2570},modeStringToFlags:function (str) {
+        var flags = FS.flagModes[str];
+        if (typeof flags === 'undefined') {
+          throw new Error('Unknown file open mode: ' + str);
+        }
+        return flags;
+      },flagsToPermissionString:function (flag) {
+        var accmode = flag & 3;
+        var perms = ['r', 'w', 'rw'][accmode];
+        if ((flag & 1024)) {
+          perms += 'w';
+        }
+        return perms;
+      },nodePermissions:function (node, perms) {
+        if (FS.ignorePermissions) {
+          return 0;
+        }
+        // return 0 if any user, group or owner bits are set.
+        if (perms.indexOf('r') !== -1 && !(node.mode & 292)) {
+          return ERRNO_CODES.EACCES;
+        } else if (perms.indexOf('w') !== -1 && !(node.mode & 146)) {
+          return ERRNO_CODES.EACCES;
+        } else if (perms.indexOf('x') !== -1 && !(node.mode & 73)) {
+          return ERRNO_CODES.EACCES;
+        }
+        return 0;
+      },mayLookup:function (dir) {
+        return FS.nodePermissions(dir, 'x');
+      },mayCreate:function (dir, name) {
+        try {
+          var node = FS.lookupNode(dir, name);
+          return ERRNO_CODES.EEXIST;
+        } catch (e) {
+        }
+        return FS.nodePermissions(dir, 'wx');
+      },mayDelete:function (dir, name, isdir) {
+        var node;
+        try {
+          node = FS.lookupNode(dir, name);
+        } catch (e) {
+          return e.errno;
+        }
+        var err = FS.nodePermissions(dir, 'wx');
+        if (err) {
+          return err;
+        }
+        if (isdir) {
+          if (!FS.isDir(node.mode)) {
+            return ERRNO_CODES.ENOTDIR;
+          }
+          if (FS.isRoot(node) || FS.getPath(node) === FS.currentPath) {
+            return ERRNO_CODES.EBUSY;
+          }
+        } else {
+          if (FS.isDir(node.mode)) {
+            return ERRNO_CODES.EISDIR;
+          }
+        }
+        return 0;
+      },mayOpen:function (node, flags) {
+        if (!node) {
+          return ERRNO_CODES.ENOENT;
+        }
+        if (FS.isLink(node.mode)) {
+          return ERRNO_CODES.ELOOP;
+        } else if (FS.isDir(node.mode)) {
+          if ((flags & 3) !== 0 ||  // opening for write
+              (flags & 1024)) {
+            return ERRNO_CODES.EISDIR;
+          }
+        }
+        return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
+      },MAX_OPEN_FDS:4096,nextfd:function (fd_start, fd_end) {
+        fd_start = fd_start || 1;
+        fd_end = fd_end || FS.MAX_OPEN_FDS;
+        for (var fd = fd_start; fd <= fd_end; fd++) {
+          if (!FS.streams[fd]) {
+            return fd;
+          }
+        }
+        throw new FS.ErrnoError(ERRNO_CODES.EMFILE);
+      },getStream:function (fd) {
+        return FS.streams[fd];
+      },createStream:function (stream, fd_start, fd_end) {
+        var fd = FS.nextfd(fd_start, fd_end);
+        stream.fd = fd;
+        // compatibility
+        Object.defineProperties(stream, {
+          object: {
+            get: function() { return stream.node; },
+            set: function(val) { stream.node = val; }
+          },
+          isRead: {
+            get: function() { return (stream.flags & 3) !== 1; }
+          },
+          isWrite: {
+            get: function() { return (stream.flags & 3) !== 0; }
+          },
+          isAppend: {
+            get: function() { return (stream.flags & 8); }
+          }
+        });
+        FS.streams[fd] = stream;
+        return stream;
+      },closeStream:function (fd) {
+        FS.streams[fd] = null;
+      },chrdev_stream_ops:{open:function (stream) {
+          var device = FS.getDevice(stream.node.rdev);
+          // override node's stream ops with the device's
+          stream.stream_ops = device.stream_ops;
+          // forward the open call
+          if (stream.stream_ops.open) {
+            stream.stream_ops.open(stream);
+          }
+        },llseek:function () {
+          throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
+        }},major:function (dev) {
+        return ((dev) >> 8);
+      },minor:function (dev) {
+        return ((dev) & 0xff);
+      },makedev:function (ma, mi) {
+        return ((ma) << 8 | (mi));
+      },registerDevice:function (dev, ops) {
+        FS.devices[dev] = { stream_ops: ops };
+      },getDevice:function (dev) {
+        return FS.devices[dev];
+      },mount:function (type, opts, mountpoint) {
+        var mount = {
+          type: type,
+          opts: opts,
+          mountpoint: mountpoint,
+          root: null
+        };
+        var lookup;
+        if (mountpoint) {
+          lookup = FS.lookupPath(mountpoint, { follow: false });
+        }
+        // create a root node for the fs
+        var root = type.mount(mount);
+        root.mount = mount;
+        mount.root = root;
+        // assign the mount info to the mountpoint's node
+        if (lookup) {
+          lookup.node.mount = mount;
+          lookup.node.mounted = true;
+          // compatibility update FS.root if we mount to /
+          if (mountpoint === '/') {
+            FS.root = mount.root;
+          }
+        }
+        return root;
+      },lookup:function (parent, name) {
+        return parent.node_ops.lookup(parent, name);
+      },mknod:function (path, mode, dev) {
+        var lookup = FS.lookupPath(path, { parent: true });
+        var parent = lookup.node;
+        var name = PATH.basename(path);
+        var err = FS.mayCreate(parent, name);
+        if (err) {
+          throw new FS.ErrnoError(err);
+        }
+        if (!parent.node_ops.mknod) {
+          throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+        }
+        return parent.node_ops.mknod(parent, name, mode, dev);
+      },create:function (path, mode) {
+        mode = mode !== undefined ? mode : 0666;
+        mode &= 4095;
+        mode |= 0100000;
+        return FS.mknod(path, mode, 0);
+      },mkdir:function (path, mode) {
+        mode = mode !== undefined ? mode : 0777;
+        mode &= 511 | 0001000;
+        mode |= 0040000;
+        return FS.mknod(path, mode, 0);
+      },mkdev:function (path, mode, dev) {
+        if (typeof(dev) === 'undefined') {
+          dev = mode;
+          mode = 0666;
+        }
+        mode |= 0020000;
+        return FS.mknod(path, mode, dev);
+      },symlink:function (oldpath, newpath) {
+        var lookup = FS.lookupPath(newpath, { parent: true });
+        var parent = lookup.node;
+        var newname = PATH.basename(newpath);
+        var err = FS.mayCreate(parent, newname);
+        if (err) {
+          throw new FS.ErrnoError(err);
+        }
+        if (!parent.node_ops.symlink) {
+          throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+        }
+        return parent.node_ops.symlink(parent, newname, oldpath);
+      },rename:function (old_path, new_path) {
+        var old_dirname = PATH.dirname(old_path);
+        var new_dirname = PATH.dirname(new_path);
+        var old_name = PATH.basename(old_path);
+        var new_name = PATH.basename(new_path);
+        // parents must exist
+        var lookup, old_dir, new_dir;
+        try {
+          lookup = FS.lookupPath(old_path, { parent: true });
+          old_dir = lookup.node;
+          lookup = FS.lookupPath(new_path, { parent: true });
+          new_dir = lookup.node;
+        } catch (e) {
+          throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
+        }
+        // need to be part of the same mount
+        if (old_dir.mount !== new_dir.mount) {
+          throw new FS.ErrnoError(ERRNO_CODES.EXDEV);
+        }
+        // source must exist
+        var old_node = FS.lookupNode(old_dir, old_name);
+        // old path should not be an ancestor of the new path
+        var relative = PATH.relative(old_path, new_dirname);
+        if (relative.charAt(0) !== '.') {
+          throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+        }
+        // new path should not be an ancestor of the old path
+        relative = PATH.relative(new_path, old_dirname);
+        if (relative.charAt(0) !== '.') {
+          throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
+        }
+        // see if the new path already exists
+        var new_node;
+        try {
+          new_node = FS.lookupNode(new_dir, new_name);
+        } catch (e) {
+          // not fatal
+        }
+        // early out if nothing needs to change
+        if (old_node === new_node) {
+          return;
+        }
+        // we'll need to delete the old entry
+        var isdir = FS.isDir(old_node.mode);
+        var err = FS.mayDelete(old_dir, old_name, isdir);
+        if (err) {
+          throw new FS.ErrnoError(err);
+        }
+        // need delete permissions if we'll be overwriting.
+        // need create permissions if new doesn't already exist.
+        err = new_node ?
+          FS.mayDelete(new_dir, new_name, isdir) :
+          FS.mayCreate(new_dir, new_name);
+        if (err) {
+          throw new FS.ErrnoError(err);
+        }
+        if (!old_dir.node_ops.rename) {
+          throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+        }
+        if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
+          throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
+        }
+        // if we are going to change the parent, check write permissions
+        if (new_dir !== old_dir) {
+          err = FS.nodePermissions(old_dir, 'w');
+          if (err) {
+            throw new FS.ErrnoError(err);
+          }
+        }
+        // remove the node from the lookup hash
+        FS.hashRemoveNode(old_node);
+        // do the underlying fs rename
+        try {
+          old_dir.node_ops.rename(old_node, new_dir, new_name);
+        } catch (e) {
+          throw e;
+        } finally {
+          // add the node back to the hash (in case node_ops.rename
+          // changed its name)
+          FS.hashAddNode(old_node);
+        }
+      },rmdir:function (path) {
+        var lookup = FS.lookupPath(path, { parent: true });
+        var parent = lookup.node;
+        var name = PATH.basename(path);
+        var node = FS.lookupNode(parent, name);
+        var err = FS.mayDelete(parent, name, true);
+        if (err) {
+          throw new FS.ErrnoError(err);
+        }
+        if (!parent.node_ops.rmdir) {
+          throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+        }
+        if (FS.isMountpoint(node)) {
+          throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
+        }
+        parent.node_ops.rmdir(parent, name);
+        FS.destroyNode(node);
+      },readdir:function (path) {
+        var lookup = FS.lookupPath(path, { follow: true });
+        var node = lookup.node;
+        if (!node.node_ops.readdir) {
+          throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
+        }
+        return node.node_ops.readdir(node);
+      },unlink:function (path) {
+        var lookup = FS.lookupPath(path, { parent: true });
+        var parent = lookup.node;
+        var name = PATH.basename(path);
+        var node = FS.lookupNode(parent, name);
+        var err = FS.mayDelete(parent, name, false);
+        if (err) {
+          // POSIX says unlink should set EPERM, not EISDIR
+          if (err === ERRNO_CODES.EISDIR) err = ERRNO_CODES.EPERM;
+          throw new FS.ErrnoError(err);
+        }
+        if (!parent.node_ops.unlink) {
+          throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+        }
+        if (FS.isMountpoint(node)) {
+          throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
+        }
+        parent.node_ops.unlink(parent, name);
+        FS.destroyNode(node);
+      },readlink:function (path) {
+        var lookup = FS.lookupPath(path, { follow: false });
+        var link = lookup.node;
+        if (!link.node_ops.readlink) {
+          throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+        }
+        return link.node_ops.readlink(link);
+      },stat:function (path, dontFollow) {
+        var lookup = FS.lookupPath(path, { follow: !dontFollow });
+        var node = lookup.node;
+        if (!node.node_ops.getattr) {
+          throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+        }
+        return node.node_ops.getattr(node);
+      },lstat:function (path) {
+        return FS.stat(path, true);
+      },chmod:function (path, mode, dontFollow) {
+        var node;
+        if (typeof path === 'string') {
+          var lookup = FS.lookupPath(path, { follow: !dontFollow });
+          node = lookup.node;
+        } else {
+          node = path;
+        }
+        if (!node.node_ops.setattr) {
+          throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+        }
+        node.node_ops.setattr(node, {
+          mode: (mode & 4095) | (node.mode & ~4095),
+          timestamp: Date.now()
+        });
+      },lchmod:function (path, mode) {
+        FS.chmod(path, mode, true);
+      },fchmod:function (fd, mode) {
+        var stream = FS.getStream(fd);
+        if (!stream) {
+          throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+        }
+        FS.chmod(stream.node, mode);
+      },chown:function (path, uid, gid, dontFollow) {
+        var node;
+        if (typeof path === 'string') {
+          var lookup = FS.lookupPath(path, { follow: !dontFollow });
+          node = lookup.node;
+        } else {
+          node = path;
+        }
+        if (!node.node_ops.setattr) {
+          throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+        }
+        node.node_ops.setattr(node, {
+          timestamp: Date.now()
+          // we ignore the uid / gid for now
+        });
+      },lchown:function (path, uid, gid) {
+        FS.chown(path, uid, gid, true);
+      },fchown:function (fd, uid, gid) {
+        var stream = FS.getStream(fd);
+        if (!stream) {
+          throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+        }
+        FS.chown(stream.node, uid, gid);
+      },truncate:function (path, len) {
+        if (len < 0) {
+          throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+        }
+        var node;
+        if (typeof path === 'string') {
+          var lookup = FS.lookupPath(path, { follow: true });
+          node = lookup.node;
+        } else {
+          node = path;
+        }
+        if (!node.node_ops.setattr) {
+          throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+        }
+        if (FS.isDir(node.mode)) {
+          throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
+        }
+        if (!FS.isFile(node.mode)) {
+          throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+        }
+        var err = FS.nodePermissions(node, 'w');
+        if (err) {
+          throw new FS.ErrnoError(err);
+        }
+        node.node_ops.setattr(node, {
+          size: len,
+          timestamp: Date.now()
+        });
+      },ftruncate:function (fd, len) {
+        var stream = FS.getStream(fd);
+        if (!stream) {
+          throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+        }
+        if ((stream.flags & 3) === 0) {
+          throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+        }
+        FS.truncate(stream.node, len);
+      },utime:function (path, atime, mtime) {
+        var lookup = FS.lookupPath(path, { follow: true });
+        var node = lookup.node;
+        node.node_ops.setattr(node, {
+          timestamp: Math.max(atime, mtime)
+        });
+      },open:function (path, flags, mode, fd_start, fd_end) {
+        path = PATH.normalize(path);
+        flags = typeof flags === 'string' ? FS.modeStringToFlags(flags) : flags;
+        mode = typeof mode === 'undefined' ? 0666 : mode;
+        if ((flags & 512)) {
+          mode = (mode & 4095) | 0100000;
+        } else {
+          mode = 0;
+        }
+        var node;
+        try {
+          var lookup = FS.lookupPath(path, {
+            follow: !(flags & 0200000)
+          });
+          node = lookup.node;
+          path = lookup.path;
+        } catch (e) {
+          // ignore
+        }
+        // perhaps we need to create the node
+        if ((flags & 512)) {
+          if (node) {
+            // if O_CREAT and O_EXCL are set, error out if the node already exists
+            if ((flags & 2048)) {
+              throw new FS.ErrnoError(ERRNO_CODES.EEXIST);
+            }
+          } else {
+            // node doesn't exist, try to create it
+            node = FS.mknod(path, mode, 0);
+          }
+        }
+        if (!node) {
+          throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
+        }
+        // can't truncate a device
+        if (FS.isChrdev(node.mode)) {
+          flags &= ~1024;
+        }
+        // check permissions
+        var err = FS.mayOpen(node, flags);
+        if (err) {
+          throw new FS.ErrnoError(err);
+        }
+        // do truncation if necessary
+        if ((flags & 1024)) {
+          FS.truncate(node, 0);
+        }
+        // register the stream with the filesystem
+        var stream = FS.createStream({
+          path: path,
+          node: node,
+          flags: flags,
+          seekable: true,
+          position: 0,
+          stream_ops: node.stream_ops,
+          // used by the file family libc calls (fopen, fwrite, ferror, etc.)
+          ungotten: [],
+          error: false
+        }, fd_start, fd_end);
+        // call the new stream's open function
+        if (stream.stream_ops.open) {
+          stream.stream_ops.open(stream);
+        }
+        return stream;
+      },close:function (stream) {
+        try {
+          if (stream.stream_ops.close) {
+            stream.stream_ops.close(stream);
+          }
+        } catch (e) {
+          throw e;
+        } finally {
+          FS.closeStream(stream.fd);
+        }
+      },llseek:function (stream, offset, whence) {
+        if (!stream.seekable || !stream.stream_ops.llseek) {
+          throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
+        }
+        return stream.stream_ops.llseek(stream, offset, whence);
+      },read:function (stream, buffer, offset, length, position) {
+        if (length < 0 || position < 0) {
+          throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+        }
+        if ((stream.flags & 3) === 1) {
+          throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+        }
+        if (FS.isDir(stream.node.mode)) {
+          throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
+        }
+        if (!stream.stream_ops.read) {
+          throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+        }
+        var seeking = true;
+        if (typeof position === 'undefined') {
+          position = stream.position;
+          seeking = false;
+        } else if (!stream.seekable) {
+          throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
+        }
+        var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
+        if (!seeking) stream.position += bytesRead;
+        return bytesRead;
+      },write:function (stream, buffer, offset, length, position, canOwn) {
+        if (length < 0 || position < 0) {
+          throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+        }
+        if ((stream.flags & 3) === 0) {
+          throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+        }
+        if (FS.isDir(stream.node.mode)) {
+          throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
+        }
+        if (!stream.stream_ops.write) {
+          throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+        }
+        var seeking = true;
+        if (typeof position === 'undefined') {
+          position = stream.position;
+          seeking = false;
+        } else if (!stream.seekable) {
+          throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
+        }
+        if (stream.flags & 8) {
+          // seek to the end before writing in append mode
+          FS.llseek(stream, 0, 2);
+        }
+        var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
+        if (!seeking) stream.position += bytesWritten;
+        return bytesWritten;
+      },allocate:function (stream, offset, length) {
+        if (offset < 0 || length <= 0) {
+          throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+        }
+        if ((stream.flags & 3) === 0) {
+          throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+        }
+        if (!FS.isFile(stream.node.mode) && !FS.isDir(node.mode)) {
+          throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
+        }
+        if (!stream.stream_ops.allocate) {
+          throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP);
+        }
+        stream.stream_ops.allocate(stream, offset, length);
+      },mmap:function (stream, buffer, offset, length, position, prot, flags) {
+        // TODO if PROT is PROT_WRITE, make sure we have write access
+        if ((stream.flags & 3) === 1) {
+          throw new FS.ErrnoError(ERRNO_CODES.EACCES);
+        }
+        if (!stream.stream_ops.mmap) {
+          throw new FS.errnoError(ERRNO_CODES.ENODEV);
+        }
+        return stream.stream_ops.mmap(stream, buffer, offset, length, position, prot, flags);
+      },ioctl:function (stream, cmd, arg) {
+        if (!stream.stream_ops.ioctl) {
+          throw new FS.ErrnoError(ERRNO_CODES.ENOTTY);
+        }
+        return stream.stream_ops.ioctl(stream, cmd, arg);
+      },readFile:function (path, opts) {
+        opts = opts || {};
+        opts.flags = opts.flags || 'r';
+        opts.encoding = opts.encoding || 'binary';
+        var ret;
+        var stream = FS.open(path, opts.flags);
+        var stat = FS.stat(path);
+        var length = stat.size;
+        var buf = new Uint8Array(length);
+        FS.read(stream, buf, 0, length, 0);
+        if (opts.encoding === 'utf8') {
+          ret = '';
+          var utf8 = new Runtime.UTF8Processor();
+          for (var i = 0; i < length; i++) {
+            ret += utf8.processCChar(buf[i]);
+          }
+        } else if (opts.encoding === 'binary') {
+          ret = buf;
+        } else {
+          throw new Error('Invalid encoding type "' + opts.encoding + '"');
+        }
+        FS.close(stream);
+        return ret;
+      },writeFile:function (path, data, opts) {
+        opts = opts || {};
+        opts.flags = opts.flags || 'w';
+        opts.encoding = opts.encoding || 'utf8';
+        var stream = FS.open(path, opts.flags, opts.mode);
+        if (opts.encoding === 'utf8') {
+          var utf8 = new Runtime.UTF8Processor();
+          var buf = new Uint8Array(utf8.processJSString(data));
+          FS.write(stream, buf, 0, buf.length, 0);
+        } else if (opts.encoding === 'binary') {
+          FS.write(stream, data, 0, data.length, 0);
+        } else {
+          throw new Error('Invalid encoding type "' + opts.encoding + '"');
+        }
+        FS.close(stream);
+      },createDefaultDirectories:function () {
+        FS.mkdir('/tmp');
+      },createDefaultDevices:function () {
+        // create /dev
+        FS.mkdir('/dev');
+        // setup /dev/null
+        FS.registerDevice(FS.makedev(1, 3), {
+          read: function() { return 0; },
+          write: function() { return 0; }
+        });
+        FS.mkdev('/dev/null', FS.makedev(1, 3));
+        // setup /dev/tty and /dev/tty1
+        // stderr needs to print output using Module['printErr']
+        // so we register a second tty just for it.
+        TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
+        TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
+        FS.mkdev('/dev/tty', FS.makedev(5, 0));
+        FS.mkdev('/dev/tty1', FS.makedev(6, 0));
+        // we're not going to emulate the actual shm device,
+        // just create the tmp dirs that reside in it commonly
+        FS.mkdir('/dev/shm');
+        FS.mkdir('/dev/shm/tmp');
+      },createStandardStreams:function () {
+        // TODO deprecate the old functionality of a single
+        // input / output callback and that utilizes FS.createDevice
+        // and instead require a unique set of stream ops
+        // by default, we symlink the standard streams to the
+        // default tty devices. however, if the standard streams
+        // have been overwritten we create a unique device for
+        // them instead.
+        if (Module['stdin']) {
+          FS.createDevice('/dev', 'stdin', Module['stdin']);
+        } else {
+          FS.symlink('/dev/tty', '/dev/stdin');
+        }
+        if (Module['stdout']) {
+          FS.createDevice('/dev', 'stdout', null, Module['stdout']);
+        } else {
+          FS.symlink('/dev/tty', '/dev/stdout');
+        }
+        if (Module['stderr']) {
+          FS.createDevice('/dev', 'stderr', null, Module['stderr']);
+        } else {
+          FS.symlink('/dev/tty1', '/dev/stderr');
+        }
+        // open default streams for the stdin, stdout and stderr devices
+        var stdin = FS.open('/dev/stdin', 'r');
+        HEAP32[((_stdin)>>2)]=stdin.fd;
+        assert(stdin.fd === 1, 'invalid handle for stdin (' + stdin.fd + ')');
+        var stdout = FS.open('/dev/stdout', 'w');
+        HEAP32[((_stdout)>>2)]=stdout.fd;
+        assert(stdout.fd === 2, 'invalid handle for stdout (' + stdout.fd + ')');
+        var stderr = FS.open('/dev/stderr', 'w');
+        HEAP32[((_stderr)>>2)]=stderr.fd;
+        assert(stderr.fd === 3, 'invalid handle for stderr (' + stderr.fd + ')');
+      },staticInit:function () {
+        FS.nameTable = new Array(4096);
+        FS.root = FS.createNode(null, '/', 0040000 | 0777, 0);
+        FS.mount(MEMFS, {}, '/');
+        FS.createDefaultDirectories();
+        FS.createDefaultDevices();
+      },init:function (input, output, error) {
+        assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)');
+        FS.init.initialized = true;
+        // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
+        Module['stdin'] = input || Module['stdin'];
+        Module['stdout'] = output || Module['stdout'];
+        Module['stderr'] = error || Module['stderr'];
+        FS.createStandardStreams();
+      },quit:function () {
+        FS.init.initialized = false;
+        for (var i = 0; i < FS.streams.length; i++) {
+          var stream = FS.streams[i];
+          if (!stream) {
+            continue;
+          }
+          FS.close(stream);
+        }
+      },getMode:function (canRead, canWrite) {
+        var mode = 0;
+        if (canRead) mode |= 292 | 73;
+        if (canWrite) mode |= 146;
+        return mode;
+      },joinPath:function (parts, forceRelative) {
+        var path = PATH.join.apply(null, parts);
+        if (forceRelative && path[0] == '/') path = path.substr(1);
+        return path;
+      },absolutePath:function (relative, base) {
+        return PATH.resolve(base, relative);
+      },standardizePath:function (path) {
+        return PATH.normalize(path);
+      },findObject:function (path, dontResolveLastLink) {
+        var ret = FS.analyzePath(path, dontResolveLastLink);
+        if (ret.exists) {
+          return ret.object;
+        } else {
+          ___setErrNo(ret.error);
+          return null;
+        }
+      },analyzePath:function (path, dontResolveLastLink) {
+        // operate from within the context of the symlink's target
+        try {
+          var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
+          path = lookup.path;
+        } catch (e) {
+        }
+        var ret = {
+          isRoot: false, exists: false, error: 0, name: null, path: null, object: null,
+          parentExists: false, parentPath: null, parentObject: null
+        };
+        try {
+          var lookup = FS.lookupPath(path, { parent: true });
+          ret.parentExists = true;
+          ret.parentPath = lookup.path;
+          ret.parentObject = lookup.node;
+          ret.name = PATH.basename(path);
+          lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
+          ret.exists = true;
+          ret.path = lookup.path;
+          ret.object = lookup.node;
+          ret.name = lookup.node.name;
+          ret.isRoot = lookup.path === '/';
+        } catch (e) {
+          ret.error = e.errno;
+        };
+        return ret;
+      },createFolder:function (parent, name, canRead, canWrite) {
+        var path = PATH.join(typeof parent === 'string' ? parent : FS.getPath(parent), name);
+        var mode = FS.getMode(canRead, canWrite);
+        return FS.mkdir(path, mode);
+      },createPath:function (parent, path, canRead, canWrite) {
+        parent = typeof parent === 'string' ? parent : FS.getPath(parent);
+        var parts = path.split('/').reverse();
+        while (parts.length) {
+          var part = parts.pop();
+          if (!part) continue;
+          var current = PATH.join(parent, part);
+          try {
+            FS.mkdir(current);
+          } catch (e) {
+            // ignore EEXIST
+          }
+          parent = current;
+        }
+        return current;
+      },createFile:function (parent, name, properties, canRead, canWrite) {
+        var path = PATH.join(typeof parent === 'string' ? parent : FS.getPath(parent), name);
+        var mode = FS.getMode(canRead, canWrite);
+        return FS.create(path, mode);
+      },createDataFile:function (parent, name, data, canRead, canWrite, canOwn) {
+        var path = name ? PATH.join(typeof parent === 'string' ? parent : FS.getPath(parent), name) : parent;
+        var mode = FS.getMode(canRead, canWrite);
+        var node = FS.create(path, mode);
+        if (data) {
+          if (typeof data === 'string') {
+            var arr = new Array(data.length);
+            for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
+            data = arr;
+          }
+          // make sure we can write to the file
+          FS.chmod(path, mode | 146);
+          var stream = FS.open(path, 'w');
+          FS.write(stream, data, 0, data.length, 0, canOwn);
+          FS.close(stream);
+          FS.chmod(path, mode);
+        }
+        return node;
+      },createDevice:function (parent, name, input, output) {
+        var path = PATH.join(typeof parent === 'string' ? parent : FS.getPath(parent), name);
+        var mode = FS.getMode(!!input, !!output);
+        if (!FS.createDevice.major) FS.createDevice.major = 64;
+        var dev = FS.makedev(FS.createDevice.major++, 0);
+        // Create a fake device that a set of stream ops to emulate
+        // the old behavior.
+        FS.registerDevice(dev, {
+          open: function(stream) {
+            stream.seekable = false;
+          },
+          close: function(stream) {
+            // flush any pending line data
+            if (output && output.buffer && output.buffer.length) {
+              output(10);
+            }
+          },
+          read: function(stream, buffer, offset, length, pos /* ignored */) {
+            var bytesRead = 0;
+            for (var i = 0; i < length; i++) {
+              var result;
+              try {
+                result = input();
+              } catch (e) {
+                throw new FS.ErrnoError(ERRNO_CODES.EIO);
+              }
+              if (result === undefined && bytesRead === 0) {
+                throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
+              }
+              if (result === null || result === undefined) break;
+              bytesRead++;
+              buffer[offset+i] = result;
+            }
+            if (bytesRead) {
+              stream.node.timestamp = Date.now();
+            }
+            return bytesRead;
+          },
+          write: function(stream, buffer, offset, length, pos) {
+            for (var i = 0; i < length; i++) {
+              try {
+                output(buffer[offset+i]);
+              } catch (e) {
+                throw new FS.ErrnoError(ERRNO_CODES.EIO);
+              }
+            }
+            if (length) {
+              stream.node.timestamp = Date.now();
+            }
+            return i;
+          }
+        });
+        return FS.mkdev(path, mode, dev);
+      },createLink:function (parent, name, target, canRead, canWrite) {
+        var path = PATH.join(typeof parent === 'string' ? parent : FS.getPath(parent), name);
+        return FS.symlink(target, path);
+      },forceLoadFile:function (obj) {
+        if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
+        var success = true;
+        if (typeof XMLHttpRequest !== 'undefined') {
+          throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
+        } else if (Module['read']) {
+          // Command-line.
+          try {
+            // WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as
+            //          read() will try to parse UTF8.
+            obj.contents = intArrayFromString(Module['read'](obj.url), true);
+          } catch (e) {
+            success = false;
+          }
+        } else {
+          throw new Error('Cannot load without read() or XMLHttpRequest.');
+        }
+        if (!success) ___setErrNo(ERRNO_CODES.EIO);
+        return success;
+      },createLazyFile:function (parent, name, url, canRead, canWrite) {
+        if (typeof XMLHttpRequest !== 'undefined') {
+          if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc';
+          // Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse.
+          var LazyUint8Array = function() {
+            this.lengthKnown = false;
+            this.chunks = []; // Loaded chunks. Index is the chunk number
+          }
+          LazyUint8Array.prototype.get = function(idx) {
+            if (idx > this.length-1 || idx < 0) {
+              return undefined;
+            }
+            var chunkOffset = idx % this.chunkSize;
+            var chunkNum = Math.floor(idx / this.chunkSize);
+            return this.getter(chunkNum)[chunkOffset];
+          }
+          LazyUint8Array.prototype.setDataGetter = function(getter) {
+            this.getter = getter;
+          }
+          LazyUint8Array.prototype.cacheLength = function() {
+              // Find length
+              var xhr = new XMLHttpRequest();
+              xhr.open('HEAD', url, false);
+              xhr.send(null);
+              if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
+              var datalength = Number(xhr.getResponseHeader("Content-length"));
+              var header;
+              var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
+              var chunkSize = 1024*1024; // Chunk size in bytes
+              if (!hasByteServing) chunkSize = datalength;
+              // Function to get a range from the remote URL.
+              var doXHR = (function(from, to) {
+                if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
+                if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!");
+                // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
+                var xhr = new XMLHttpRequest();
+                xhr.open('GET', url, false);
+                if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
+                // Some hints to the browser that we want binary data.
+                if (typeof Uint8Array != 'undefined') xhr.responseType = 'arraybuffer';
+                if (xhr.overrideMimeType) {
+                  xhr.overrideMimeType('text/plain; charset=x-user-defined');
+                }
+                xhr.send(null);
+                if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
+                if (xhr.response !== undefined) {
+                  return new Uint8Array(xhr.response || []);
+                } else {
+                  return intArrayFromString(xhr.responseText || '', true);
+                }
+              });
+              var lazyArray = this;
+              lazyArray.setDataGetter(function(chunkNum) {
+                var start = chunkNum * chunkSize;
+                var end = (chunkNum+1) * chunkSize - 1; // including this byte
+                end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block
+                if (typeof(lazyArray.chunks[chunkNum]) === "undefined") {
+                  lazyArray.chunks[chunkNum] = doXHR(start, end);
+                }
+                if (typeof(lazyArray.chunks[chunkNum]) === "undefined") throw new Error("doXHR failed!");
+                return lazyArray.chunks[chunkNum];
+              });
+              this._length = datalength;
+              this._chunkSize = chunkSize;
+              this.lengthKnown = true;
+          }
+          var lazyArray = new LazyUint8Array();
+          Object.defineProperty(lazyArray, "length", {
+              get: function() {
+                  if(!this.lengthKnown) {
+                      this.cacheLength();
+                  }
+                  return this._length;
+              }
+          });
+          Object.defineProperty(lazyArray, "chunkSize", {
+              get: function() {
+                  if(!this.lengthKnown) {
+                      this.cacheLength();
+                  }
+                  return this._chunkSize;
+              }
+          });
+          var properties = { isDevice: false, contents: lazyArray };
+        } else {
+          var properties = { isDevice: false, url: url };
+        }
+        var node = FS.createFile(parent, name, properties, canRead, canWrite);
+        // This is a total hack, but I want to get this lazy file code out of the
+        // core of MEMFS. If we want to keep this lazy file concept I feel it should
+        // be its own thin LAZYFS proxying calls to MEMFS.
+        if (properties.contents) {
+          node.contents = properties.contents;
+        } else if (properties.url) {
+          node.contents = null;
+          node.url = properties.url;
+        }
+        // override each stream op with one that tries to force load the lazy file first
+        var stream_ops = {};
+        var keys = Object.keys(node.stream_ops);
+        keys.forEach(function(key) {
+          var fn = node.stream_ops[key];
+          stream_ops[key] = function() {
+            if (!FS.forceLoadFile(node)) {
+              throw new FS.ErrnoError(ERRNO_CODES.EIO);
+            }
+            return fn.apply(null, arguments);
+          };
+        });
+        // use a custom read function
+        stream_ops.read = function(stream, buffer, offset, length, position) {
+          if (!FS.forceLoadFile(node)) {
+            throw new FS.ErrnoError(ERRNO_CODES.EIO);
+          }
+          var contents = stream.node.contents;
+          var size = Math.min(contents.length - position, length);
+          if (contents.slice) { // normal array
+            for (var i = 0; i < size; i++) {
+              buffer[offset + i] = contents[position + i];
+            }
+          } else {
+            for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR
+              buffer[offset + i] = contents.get(position + i);
+            }
+          }
+          return size;
+        };
+        node.stream_ops = stream_ops;
+        return node;
+      },createPreloadedFile:function (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn) {
+        Browser.init();
+        // TODO we should allow people to just pass in a complete filename instead
+        // of parent and name being that we just join them anyways
+        var fullname = name ? PATH.resolve(PATH.join(parent, name)) : parent;
+        function processData(byteArray) {
+          function finish(byteArray) {
+            if (!dontCreateFile) {
+              FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
+            }
+            if (onload) onload();
+            removeRunDependency('cp ' + fullname);
+          }
+          var handled = false;
+          Module['preloadPlugins'].forEach(function(plugin) {
+            if (handled) return;
+            if (plugin['canHandle'](fullname)) {
+              plugin['handle'](byteArray, fullname, finish, function() {
+                if (onerror) onerror();
+                removeRunDependency('cp ' + fullname);
+              });
+              handled = true;
+            }
+          });
+          if (!handled) finish(byteArray);
+        }
+        addRunDependency('cp ' + fullname);
+        if (typeof url == 'string') {
+          Browser.asyncLoad(url, function(byteArray) {
+            processData(byteArray);
+          }, onerror);
+        } else {
+          processData(url);
+        }
+      },indexedDB:function () {
+        return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
+      },DB_NAME:function () {
+        return 'EM_FS_' + window.location.pathname;
+      },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:function (paths, onload, onerror) {
+        onload = onload || function(){};
+        onerror = onerror || function(){};
+        var indexedDB = FS.indexedDB();
+        try {
+          var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
+        } catch (e) {
+          return onerror(e);
+        }
+        openRequest.onupgradeneeded = function() {
+          console.log('creating db');
+          var db = openRequest.result;
+          db.createObjectStore(FS.DB_STORE_NAME);
+        };
+        openRequest.onsuccess = function() {
+          var db = openRequest.result;
+          var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite');
+          var files = transaction.objectStore(FS.DB_STORE_NAME);
+          var ok = 0, fail = 0, total = paths.length;
+          function finish() {
+            if (fail == 0) onload(); else onerror();
+          }
+          paths.forEach(function(path) {
+            var putRequest = files.put(FS.analyzePath(path).object.contents, path);
+            putRequest.onsuccess = function() { ok++; if (ok + fail == total) finish() };
+            putRequest.onerror = function() { fail++; if (ok + fail == total) finish() };
+          });
+          transaction.onerror = onerror;
+        };
+        openRequest.onerror = onerror;
+      },loadFilesFromDB:function (paths, onload, onerror) {
+        onload = onload || function(){};
+        onerror = onerror || function(){};
+        var indexedDB = FS.indexedDB();
+        try {
+          var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
+        } catch (e) {
+          return onerror(e);
+        }
+        openRequest.onupgradeneeded = onerror; // no database to load from
+        openRequest.onsuccess = function() {
+          var db = openRequest.result;
+          try {
+            var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly');
+          } catch(e) {
+            onerror(e);
+            return;
+          }
+          var files = transaction.objectStore(FS.DB_STORE_NAME);
+          var ok = 0, fail = 0, total = paths.length;
+          function finish() {
+            if (fail == 0) onload(); else onerror();
+          }
+          paths.forEach(function(path) {
+            var getRequest = files.get(path);
+            getRequest.onsuccess = function() {
+              if (FS.analyzePath(path).exists) {
+                FS.unlink(path);
+              }
+              FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
+              ok++;
+              if (ok + fail == total) finish();
+            };
+            getRequest.onerror = function() { fail++; if (ok + fail == total) finish() };
+          });
+          transaction.onerror = onerror;
+        };
+        openRequest.onerror = onerror;
+      }};
+  var SOCKFS={mount:function (mount) {
+        return FS.createNode(null, '/', 0040000 | 0777, 0);
+      },nextname:function () {
+        if (!SOCKFS.nextname.current) {
+          SOCKFS.nextname.current = 0;
+        }
+        return 'socket[' + (SOCKFS.nextname.current++) + ']';
+      },createSocket:function (family, type, protocol) {
+        var streaming = type == 1;
+        if (protocol) {
+          assert(streaming == (protocol == 6)); // if SOCK_STREAM, must be tcp
+        }
+        // create our internal socket structure
+        var sock = {
+          family: family,
+          type: type,
+          protocol: protocol,
+          server: null,
+          peers: {},
+          pending: [],
+          recv_queue: [],
+          sock_ops: SOCKFS.websocket_sock_ops
+        };
+        // create the filesystem node to store the socket structure
+        var name = SOCKFS.nextname();
+        var node = FS.createNode(SOCKFS.root, name, 0140000, 0);
+        node.sock = sock;
+        // and the wrapping stream that enables library functions such
+        // as read and write to indirectly interact with the socket
+        var stream = FS.createStream({
+          path: name,
+          node: node,
+          flags: FS.modeStringToFlags('r+'),
+          seekable: false,
+          stream_ops: SOCKFS.stream_ops
+        });
+        // map the new stream to the socket structure (sockets have a 1:1
+        // relationship with a stream)
+        sock.stream = stream;
+        return sock;
+      },getSocket:function (fd) {
+        var stream = FS.getStream(fd);
+        if (!stream || !FS.isSocket(stream.node.mode)) {
+          return null;
+        }
+        return stream.node.sock;
+      },stream_ops:{poll:function (stream) {
+          var sock = stream.node.sock;
+          return sock.sock_ops.poll(sock);
+        },ioctl:function (stream, request, varargs) {
+          var sock = stream.node.sock;
+          return sock.sock_ops.ioctl(sock, request, varargs);
+        },read:function (stream, buffer, offset, length, position /* ignored */) {
+          var sock = stream.node.sock;
+          var msg = sock.sock_ops.recvmsg(sock, length);
+          if (!msg) {
+            // socket is closed
+            return 0;
+          }
+          buffer.set(msg.buffer, offset);
+          return msg.buffer.length;
+        },write:function (stream, buffer, offset, length, position /* ignored */) {
+          var sock = stream.node.sock;
+          return sock.sock_ops.sendmsg(sock, buffer, offset, length);
+        },close:function (stream) {
+          var sock = stream.node.sock;
+          sock.sock_ops.close(sock);
+        }},websocket_sock_ops:{createPeer:function (sock, addr, port) {
+          var ws;
+          if (typeof addr === 'object') {
+            ws = addr;
+            addr = null;
+            port = null;
+          }
+          if (ws) {
+            // for sockets that've already connected (e.g. we're the server)
+            // we can inspect the _socket property for the address
+            if (ws._socket) {
+              addr = ws._socket.remoteAddress;
+              port = ws._socket.remotePort;
+            }
+            // if we're just now initializing a connection to the remote,
+            // inspect the url property
+            else {
+              var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);
+              if (!result) {
+                throw new Error('WebSocket URL must be in the format ws(s)://address:port');
+              }
+              addr = result[1];
+              port = parseInt(result[2], 10);
+            }
+          } else {
+            // create the actual websocket object and connect
+            try {
+              var url = 'ws://' + addr + ':' + port;
+              // the node ws library API is slightly different than the browser's
+              var opts = ENVIRONMENT_IS_NODE ? {} : ['binary'];
+              ws = new WebSocket(url, opts);
+              ws.binaryType = 'arraybuffer';
+            } catch (e) {
+              throw new FS.ErrnoError(ERRNO_CODES.EHOSTUNREACH);
+            }
+          }
+          var peer = {
+            addr: addr,
+            port: port,
+            socket: ws,
+            dgram_send_queue: []
+          };
+          SOCKFS.websocket_sock_ops.addPeer(sock, peer);
+          SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer);
+          // if this is a bound dgram socket, send the port number first to allow
+          // us to override the ephemeral port reported to us by remotePort on the
+          // remote end.
+          if (sock.type === 2 && typeof sock.sport !== 'undefined') {
+            peer.dgram_send_queue.push(new Uint8Array([
+                255, 255, 255, 255,
+                'p'.charCodeAt(0), 'o'.charCodeAt(0), 'r'.charCodeAt(0), 't'.charCodeAt(0),
+                ((sock.sport & 0xff00) >> 8) , (sock.sport & 0xff)
+            ]));
+          }
+          return peer;
+        },getPeer:function (sock, addr, port) {
+          return sock.peers[addr + ':' + port];
+        },addPeer:function (sock, peer) {
+          sock.peers[peer.addr + ':' + peer.port] = peer;
+        },removePeer:function (sock, peer) {
+          delete sock.peers[peer.addr + ':' + peer.port];
+        },handlePeerEvents:function (sock, peer) {
+          var first = true;
+          var handleOpen = function () {
+            try {
+              var queued = peer.dgram_send_queue.shift();
+              while (queued) {
+                peer.socket.send(queued);
+                queued = peer.dgram_send_queue.shift();
+              }
+            } catch (e) {
+              // not much we can do here in the way of proper error handling as we've already
+              // lied and said this data was sent. shut it down.
+              peer.socket.close();
+            }
+          };
+          var handleMessage = function(data) {
+            assert(typeof data !== 'string' && data.byteLength !== undefined);  // must receive an ArrayBuffer
+            data = new Uint8Array(data);  // make a typed array view on the array buffer
+            // if this is the port message, override the peer's port with it
+            var wasfirst = first;
+            first = false;
+            if (wasfirst &&
+                data.length === 10 &&
+                data[0] === 255 && data[1] === 255 && data[2] === 255 && data[3] === 255 &&
+                data[4] === 'p'.charCodeAt(0) && data[5] === 'o'.charCodeAt(0) && data[6] === 'r'.charCodeAt(0) && data[7] === 't'.charCodeAt(0)) {
+              // update the peer's port and it's key in the peer map
+              var newport = ((data[8] << 8) | data[9]);
+              SOCKFS.websocket_sock_ops.removePeer(sock, peer);
+              peer.port = newport;
+              SOCKFS.websocket_sock_ops.addPeer(sock, peer);
+              return;
+            }
+            sock.recv_queue.push({ addr: peer.addr, port: peer.port, data: data });
+          };
+          if (ENVIRONMENT_IS_NODE) {
+            peer.socket.on('open', handleOpen);
+            peer.socket.on('message', function(data, flags) {
+              if (!flags.binary) {
+                return;
+              }
+              handleMessage((new Uint8Array(data)).buffer);  // copy from node Buffer -> ArrayBuffer
+            });
+            peer.socket.on('error', function() {
+              // don't throw
+            });
+          } else {
+            peer.socket.onopen = handleOpen;
+            peer.socket.onmessage = function(event) {
+              handleMessage(event.data);
+            };
+          }
+        },poll:function (sock) {
+          if (sock.type === 1 && sock.server) {
+            // listen sockets should only say they're available for reading
+            // if there are pending clients.
+            return sock.pending.length ? (0 /* XXX missing C define POLLRDNORM */ | 1) : 0;
+          }
+          var mask = 0;
+          var dest = sock.type === 1 ?  // we only care about the socket state for connection-based sockets
+            SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport) :
+            null;
+          if (sock.recv_queue.length ||
+              !dest ||  // connection-less sockets are always ready to read
+              (dest && dest.socket.readyState === dest.socket.CLOSING) ||
+              (dest && dest.socket.readyState === dest.socket.CLOSED)) {  // let recv return 0 once closed
+            mask |= (0 /* XXX missing C define POLLRDNORM */ | 1);
+          }
+          if (!dest ||  // connection-less sockets are always ready to write
+              (dest && dest.socket.readyState === dest.socket.OPEN)) {
+            mask |= 2;
+          }
+          if ((dest && dest.socket.readyState === dest.socket.CLOSING) ||
+              (dest && dest.socket.readyState === dest.socket.CLOSED)) {
+            mask |= 16;
+          }
+          return mask;
+        },ioctl:function (sock, request, arg) {
+          switch (request) {
+            case 1:
+              var bytes = 0;
+              if (sock.recv_queue.length) {
+                bytes = sock.recv_queue[0].data.length;
+              }
+              HEAP32[((arg)>>2)]=bytes;
+              return 0;
+            default:
+              return ERRNO_CODES.EINVAL;
+          }
+        },close:function (sock) {
+          // if we've spawned a listen server, close it
+          if (sock.server) {
+            try {
+              sock.server.close();
+            } catch (e) {
+            }
+            sock.server = null;
+          }
+          // close any peer connections
+          var peers = Object.keys(sock.peers);
+          for (var i = 0; i < peers.length; i++) {
+            var peer = sock.peers[peers[i]];
+            try {
+              peer.socket.close();
+            } catch (e) {
+            }
+            SOCKFS.websocket_sock_ops.removePeer(sock, peer);
+          }
+          return 0;
+        },bind:function (sock, addr, port) {
+          if (typeof sock.saddr !== 'undefined' || typeof sock.sport !== 'undefined') {
+            throw new FS.ErrnoError(ERRNO_CODES.EINVAL);  // already bound
+          }
+          sock.saddr = addr;
+          sock.sport = port || _mkport();
+          // in order to emulate dgram sockets, we need to launch a listen server when
+          // binding on a connection-less socket
+          // note: this is only required on the server side
+          if (sock.type === 2) {
+            // close the existing server if it exists
+            if (sock.server) {
+              sock.server.close();
+              sock.server = null;
+            }
+            // swallow error operation not supported error that occurs when binding in the
+            // browser where this isn't supported
+            try {
+              sock.sock_ops.listen(sock, 0);
+            } catch (e) {
+              if (!(e instanceof FS.ErrnoError)) throw e;
+              if (e.errno !== ERRNO_CODES.EOPNOTSUPP) throw e;
+            }
+          }
+        },connect:function (sock, addr, port) {
+          if (sock.server) {
+            throw new FS.ErrnoError(ERRNO_CODS.EOPNOTSUPP);
+          }
+          // TODO autobind
+          // if (!sock.addr && sock.type == 2) {
+          // }
+          // early out if we're already connected / in the middle of connecting
+          if (typeof sock.daddr !== 'undefined' && typeof sock.dport !== 'undefined') {
+            var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
+            if (dest) {
+              if (dest.socket.readyState === dest.socket.CONNECTING) {
+                throw new FS.ErrnoError(ERRNO_CODES.EALREADY);
+              } else {
+                throw new FS.ErrnoError(ERRNO_CODES.EISCONN);
+              }
+            }
+          }
+          // add the socket to our peer list and set our
+          // destination address / port to match
+          var peer = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
+          sock.daddr = peer.addr;
+          sock.dport = peer.port;
+          // always "fail" in non-blocking mode
+          throw new FS.ErrnoError(ERRNO_CODES.EINPROGRESS);
+        },listen:function (sock, backlog) {
+          if (!ENVIRONMENT_IS_NODE) {
+            throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP);
+          }
+          if (sock.server) {
+             throw new FS.ErrnoError(ERRNO_CODES.EINVAL);  // already listening
+          }
+          var WebSocketServer = require('ws').Server;
+          var host = sock.saddr;
+          sock.server = new WebSocketServer({
+            host: host,
+            port: sock.sport
+            // TODO support backlog
+          });
+          sock.server.on('connection', function(ws) {
+            if (sock.type === 1) {
+              var newsock = SOCKFS.createSocket(sock.family, sock.type, sock.protocol);
+              // create a peer on the new socket
+              var peer = SOCKFS.websocket_sock_ops.createPeer(newsock, ws);
+              newsock.daddr = peer.addr;
+              newsock.dport = peer.port;
+              // push to queue for accept to pick up
+              sock.pending.push(newsock);
+            } else {
+              // create a peer on the listen socket so calling sendto
+              // with the listen socket and an address will resolve
+              // to the correct client
+              SOCKFS.websocket_sock_ops.createPeer(sock, ws);
+            }
+          });
+          sock.server.on('closed', function() {
+            sock.server = null;
+          });
+          sock.server.on('error', function() {
+            // don't throw
+          });
+        },accept:function (listensock) {
+          if (!listensock.server) {
+            throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+          }
+          var newsock = listensock.pending.shift();
+          newsock.stream.flags = listensock.stream.flags;
+          return newsock;
+        },getname:function (sock, peer) {
+          var addr, port;
+          if (peer) {
+            if (sock.daddr === undefined || sock.dport === undefined) {
+              throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
+            }
+            addr = sock.daddr;
+            port = sock.dport;
+          } else {
+            // TODO saddr and sport will be set for bind()'d UDP sockets, but what
+            // should we be returning for TCP sockets that've been connect()'d?
+            addr = sock.saddr || 0;
+            port = sock.sport || 0;
+          }
+          return { addr: addr, port: port };
+        },sendmsg:function (sock, buffer, offset, length, addr, port) {
+          if (sock.type === 2) {
+            // connection-less sockets will honor the message address,
+            // and otherwise fall back to the bound destination address
+            if (addr === undefined || port === undefined) {
+              addr = sock.daddr;
+              port = sock.dport;
+            }
+            // if there was no address to fall back to, error out
+            if (addr === undefined || port === undefined) {
+              throw new FS.ErrnoError(ERRNO_CODES.EDESTADDRREQ);
+            }
+          } else {
+            // connection-based sockets will only use the bound
+            addr = sock.daddr;
+            port = sock.dport;
+          }
+          // find the peer for the destination address
+          var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port);
+          // early out if not connected with a connection-based socket
+          if (sock.type === 1) {
+            if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
+              throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
+            } else if (dest.socket.readyState === dest.socket.CONNECTING) {
+              throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
+            }
+          }
+          // create a copy of the incoming data to send, as the WebSocket API
+          // doesn't work entirely with an ArrayBufferView, it'll just send
+          // the entire underlying buffer
+          var data;
+          if (buffer instanceof Array || buffer instanceof ArrayBuffer) {
+            data = buffer.slice(offset, offset + length);
+          } else {  // ArrayBufferView
+            data = buffer.buffer.slice(buffer.byteOffset + offset, buffer.byteOffset + offset + length);
+          }
+          // if we're emulating a connection-less dgram socket and don't have
+          // a cached connection, queue the buffer to send upon connect and
+          // lie, saying the data was sent now.
+          if (sock.type === 2) {
+            if (!dest || dest.socket.readyState !== dest.socket.OPEN) {
+              // if we're not connected, open a new connection
+              if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
+                dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
+              }
+              dest.dgram_send_queue.push(data);
+              return length;
+            }
+          }
+          try {
+            // send the actual data
+            dest.socket.send(data);
+            return length;
+          } catch (e) {
+            throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+          }
+        },recvmsg:function (sock, length) {
+          // http://pubs.opengroup.org/onlinepubs/7908799/xns/recvmsg.html
+          if (sock.type === 1 && sock.server) {
+            // tcp servers should not be recv()'ing on the listen socket
+            throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
+          }
+          var queued = sock.recv_queue.shift();
+          if (!queued) {
+            if (sock.type === 1) {
+              var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
+              if (!dest) {
+                // if we have a destination address but are not connected, error out
+                throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
+              }
+              else if (dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
+                // return null if the socket has closed
+                return null;
+              }
+              else {
+                // else, our socket is in a valid state but truly has nothing available
+                throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
+              }
+            } else {
+              throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
+            }
+          }
+          // queued.data will be an ArrayBuffer if it's unadulterated, but if it's
+          // requeued TCP data it'll be an ArrayBufferView
+          var queuedLength = queued.data.byteLength || queued.data.length;
+          var queuedOffset = queued.data.byteOffset || 0;
+          var queuedBuffer = queued.data.buffer || queued.data;
+          var bytesRead = Math.min(length, queuedLength);
+          var res = {
+            buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead),
+            addr: queued.addr,
+            port: queued.port
+          };
+          // push back any unread data for TCP connections
+          if (sock.type === 1 && bytesRead < queuedLength) {
+            var bytesRemaining = queuedLength - bytesRead;
+            queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead, bytesRemaining);
+            sock.recv_queue.unshift(queued);
+          }
+          return res;
+        }}};function _send(fd, buf, len, flags) {
+      var sock = SOCKFS.getSocket(fd);
+      if (!sock) {
+        ___setErrNo(ERRNO_CODES.EBADF);
+        return -1;
+      }
+      // TODO honor flags
+      return _write(fd, buf, len);
+    }
+  function _pwrite(fildes, buf, nbyte, offset) {
+      // ssize_t pwrite(int fildes, const void *buf, size_t nbyte, off_t offset);
+      // http://pubs.opengroup.org/onlinepubs/000095399/functions/write.html
+      var stream = FS.getStream(fildes);
+      if (!stream) {
+        ___setErrNo(ERRNO_CODES.EBADF);
+        return -1;
+      }
+      try {
+        var slab = HEAP8;
+        return FS.write(stream, slab, buf, nbyte, offset);
+      } catch (e) {
+        FS.handleFSError(e);
+        return -1;
+      }
+    }function _write(fildes, buf, nbyte) {
+      // ssize_t write(int fildes, const void *buf, size_t nbyte);
+      // http://pubs.opengroup.org/onlinepubs/000095399/functions/write.html
+      var stream = FS.getStream(fildes);
+      if (!stream) {
+        ___setErrNo(ERRNO_CODES.EBADF);
+        return -1;
+      }
+      try {
+        var slab = HEAP8;
+        return FS.write(stream, slab, buf, nbyte);
+      } catch (e) {
+        FS.handleFSError(e);
+        return -1;
+      }
+    }function _fwrite(ptr, size, nitems, stream) {
+      // size_t fwrite(const void *restrict ptr, size_t size, size_t nitems, FILE *restrict stream);
+      // http://pubs.opengroup.org/onlinepubs/000095399/functions/fwrite.html
+      var bytesToWrite = nitems * size;
+      if (bytesToWrite == 0) return 0;
+      var bytesWritten = _write(stream, ptr, bytesToWrite);
+      if (bytesWritten == -1) {
+        var streamObj = FS.getStream(stream);
+        if (streamObj) streamObj.error = true;
+        return 0;
+      } else {
+        return Math.floor(bytesWritten / size);
+      }
+    }
+  Module["_strlen"] = _strlen;
+  function __reallyNegative(x) {
+      return x < 0 || (x === 0 && (1/x) === -Infinity);
+    }function __formatString(format, varargs) {
+      var textIndex = format;
+      var argIndex = 0;
+      function getNextArg(type) {
+        // NOTE: Explicitly ignoring type safety. Otherwise this fails:
+        //       int x = 4; printf("%c\n", (char)x);
+        var ret;
+        if (type === 'double') {
+          ret = HEAPF64[(((varargs)+(argIndex))>>3)];
+        } else if (type == 'i64') {
+          ret = [HEAP32[(((varargs)+(argIndex))>>2)],
+                 HEAP32[(((varargs)+(argIndex+8))>>2)]];
+          argIndex += 8; // each 32-bit chunk is in a 64-bit block
+        } else {
+          type = 'i32'; // varargs are always i32, i64, or double
+          ret = HEAP32[(((varargs)+(argIndex))>>2)];
+        }
+        argIndex += Math.max(Runtime.getNativeFieldSize(type), Runtime.getAlignSize(type, null, true));
+        return ret;
+      }
+      var ret = [];
+      var curr, next, currArg;
+      while(1) {
+        var startTextIndex = textIndex;
+        curr = HEAP8[(textIndex)];
+        if (curr === 0) break;
+        next = HEAP8[((textIndex+1)|0)];
+        if (curr == 37) {
+          // Handle flags.
+          var flagAlwaysSigned = false;
+          var flagLeftAlign = false;
+          var flagAlternative = false;
+          var flagZeroPad = false;
+          flagsLoop: while (1) {
+            switch (next) {
+              case 43:
+                flagAlwaysSigned = true;
+                break;
+              case 45:
+                flagLeftAlign = true;
+                break;
+              case 35:
+                flagAlternative = true;
+                break;
+              case 48:
+                if (flagZeroPad) {
+                  break flagsLoop;
+                } else {
+                  flagZeroPad = true;
+                  break;
+                }
+              default:
+                break flagsLoop;
+            }
+            textIndex++;
+            next = HEAP8[((textIndex+1)|0)];
+          }
+          // Handle width.
+          var width = 0;
+          if (next == 42) {
+            width = getNextArg('i32');
+            textIndex++;
+            next = HEAP8[((textIndex+1)|0)];
+          } else {
+            while (next >= 48 && next <= 57) {
+              width = width * 10 + (next - 48);
+              textIndex++;
+              next = HEAP8[((textIndex+1)|0)];
+            }
+          }
+          // Handle precision.
+          var precisionSet = false;
+          if (next == 46) {
+            var precision = 0;
+            precisionSet = true;
+            textIndex++;
+            next = HEAP8[((textIndex+1)|0)];
+            if (next == 42) {
+              precision = getNextArg('i32');
+              textIndex++;
+            } else {
+              while(1) {
+                var precisionChr = HEAP8[((textIndex+1)|0)];
+                if (precisionChr < 48 ||
+                    precisionChr > 57) break;
+                precision = precision * 10 + (precisionChr - 48);
+                textIndex++;
+              }
+            }
+            next = HEAP8[((textIndex+1)|0)];
+          } else {
+            var precision = 6; // Standard default.
+          }
+          // Handle integer sizes. WARNING: These assume a 32-bit architecture!
+          var argSize;
+          switch (String.fromCharCode(next)) {
+            case 'h':
+              var nextNext = HEAP8[((textIndex+2)|0)];
+              if (nextNext == 104) {
+                textIndex++;
+                argSize = 1; // char (actually i32 in varargs)
+              } else {
+                argSize = 2; // short (actually i32 in varargs)
+              }
+              break;
+            case 'l':
+              var nextNext = HEAP8[((textIndex+2)|0)];
+              if (nextNext == 108) {
+                textIndex++;
+                argSize = 8; // long long
+              } else {
+                argSize = 4; // long
+              }
+              break;
+            case 'L': // long long
+            case 'q': // int64_t
+            case 'j': // intmax_t
+              argSize = 8;
+              break;
+            case 'z': // size_t
+            case 't': // ptrdiff_t
+            case 'I': // signed ptrdiff_t or unsigned size_t
+              argSize = 4;
+              break;
+            default:
+              argSize = null;
+          }
+          if (argSize) textIndex++;
+          next = HEAP8[((textIndex+1)|0)];
+          // Handle type specifier.
+          switch (String.fromCharCode(next)) {
+            case 'd': case 'i': case 'u': case 'o': case 'x': case 'X': case 'p': {
+              // Integer.
+              var signed = next == 100 || next == 105;
+              argSize = argSize || 4;
+              var currArg = getNextArg('i' + (argSize * 8));
+              var origArg = currArg;
+              var argText;
+              // Flatten i64-1 [low, high] into a (slightly rounded) double
+              if (argSize == 8) {
+                currArg = Runtime.makeBigInt(currArg[0], currArg[1], next == 117);
+              }
+              // Truncate to requested size.
+              if (argSize <= 4) {
+                var limit = Math.pow(256, argSize) - 1;
+                currArg = (signed ? reSign : unSign)(currArg & limit, argSize * 8);
+              }
+              // Format the number.
+              var currAbsArg = Math.abs(currArg);
+              var prefix = '';
+              if (next == 100 || next == 105) {
+                if (argSize == 8 && i64Math) argText = i64Math.stringify(origArg[0], origArg[1], null); else
+                argText = reSign(currArg, 8 * argSize, 1).toString(10);
+              } else if (next == 117) {
+                if (argSize == 8 && i64Math) argText = i64Math.stringify(origArg[0], origArg[1], true); else
+                argText = unSign(currArg, 8 * argSize, 1).toString(10);
+                currArg = Math.abs(currArg);
+              } else if (next == 111) {
+                argText = (flagAlternative ? '0' : '') + currAbsArg.toString(8);
+              } else if (next == 120 || next == 88) {
+                prefix = (flagAlternative && currArg != 0) ? '0x' : '';
+                if (argSize == 8 && i64Math) {
+                  if (origArg[1]) {
+                    argText = (origArg[1]>>>0).toString(16);
+                    var lower = (origArg[0]>>>0).toString(16);
+                    while (lower.length < 8) lower = '0' + lower;
+                    argText += lower;
+                  } else {
+                    argText = (origArg[0]>>>0).toString(16);
+                  }
+                } else
+                if (currArg < 0) {
+                  // Represent negative numbers in hex as 2's complement.
+                  currArg = -currArg;
+                  argText = (currAbsArg - 1).toString(16);
+                  var buffer = [];
+                  for (var i = 0; i < argText.length; i++) {
+                    buffer.push((0xF - parseInt(argText[i], 16)).toString(16));
+                  }
+                  argText = buffer.join('');
+                  while (argText.length < argSize * 2) argText = 'f' + argText;
+                } else {
+                  argText = currAbsArg.toString(16);
+                }
+                if (next == 88) {
+                  prefix = prefix.toUpperCase();
+                  argText = argText.toUpperCase();
+                }
+              } else if (next == 112) {
+                if (currAbsArg === 0) {
+                  argText = '(nil)';
+                } else {
+                  prefix = '0x';
+                  argText = currAbsArg.toString(16);
+                }
+              }
+              if (precisionSet) {
+                while (argText.length < precision) {
+                  argText = '0' + argText;
+                }
+              }
+              // Add sign if needed
+              if (flagAlwaysSigned) {
+                if (currArg < 0) {
+                  prefix = '-' + prefix;
+                } else {
+                  prefix = '+' + prefix;
+                }
+              }
+              // Add padding.
+              while (prefix.length + argText.length < width) {
+                if (flagLeftAlign) {
+                  argText += ' ';
+                } else {
+                  if (flagZeroPad) {
+                    argText = '0' + argText;
+                  } else {
+                    prefix = ' ' + prefix;
+                  }
+                }
+              }
+              // Insert the result into the buffer.
+              argText = prefix + argText;
+              argText.split('').forEach(function(chr) {
+                ret.push(chr.charCodeAt(0));
+              });
+              break;
+            }
+            case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': {
+              // Float.
+              var currArg = getNextArg('double');
+              var argText;
+              if (isNaN(currArg)) {
+                argText = 'nan';
+                flagZeroPad = false;
+              } else if (!isFinite(currArg)) {
+                argText = (currArg < 0 ? '-' : '') + 'inf';
+                flagZeroPad = false;
+              } else {
+                var isGeneral = false;
+                var effectivePrecision = Math.min(precision, 20);
+                // Convert g/G to f/F or e/E, as per:
+                // http://pubs.opengroup.org/onlinepubs/9699919799/functions/printf.html
+                if (next == 103 || next == 71) {
+                  isGeneral = true;
+                  precision = precision || 1;
+                  var exponent = parseInt(currArg.toExponential(effectivePrecision).split('e')[1], 10);
+                  if (precision > exponent && exponent >= -4) {
+                    next = ((next == 103) ? 'f' : 'F').charCodeAt(0);
+                    precision -= exponent + 1;
+                  } else {
+                    next = ((next == 103) ? 'e' : 'E').charCodeAt(0);
+                    precision--;
+                  }
+                  effectivePrecision = Math.min(precision, 20);
+                }
+                if (next == 101 || next == 69) {
+                  argText = currArg.toExponential(effectivePrecision);
+                  // Make sure the exponent has at least 2 digits.
+                  if (/[eE][-+]\d$/.test(argText)) {
+                    argText = argText.slice(0, -1) + '0' + argText.slice(-1);
+                  }
+                } else if (next == 102 || next == 70) {
+                  argText = currArg.toFixed(effectivePrecision);
+                  if (currArg === 0 && __reallyNegative(currArg)) {
+                    argText = '-' + argText;
+                  }
+                }
+                var parts = argText.split('e');
+                if (isGeneral && !flagAlternative) {
+                  // Discard trailing zeros and periods.
+                  while (parts[0].length > 1 && parts[0].indexOf('.') != -1 &&
+                         (parts[0].slice(-1) == '0' || parts[0].slice(-1) == '.')) {
+                    parts[0] = parts[0].slice(0, -1);
+                  }
+                } else {
+                  // Make sure we have a period in alternative mode.
+                  if (flagAlternative && argText.indexOf('.') == -1) parts[0] += '.';
+                  // Zero pad until required precision.
+                  while (precision > effectivePrecision++) parts[0] += '0';
+                }
+                argText = parts[0] + (parts.length > 1 ? 'e' + parts[1] : '');
+                // Capitalize 'E' if needed.
+                if (next == 69) argText = argText.toUpperCase();
+                // Add sign.
+                if (flagAlwaysSigned && currArg >= 0) {
+                  argText = '+' + argText;
+                }
+              }
+              // Add padding.
+              while (argText.length < width) {
+                if (flagLeftAlign) {
+                  argText += ' ';
+                } else {
+                  if (flagZeroPad && (argText[0] == '-' || argText[0] == '+')) {
+                    argText = argText[0] + '0' + argText.slice(1);
+                  } else {
+                    argText = (flagZeroPad ? '0' : ' ') + argText;
+                  }
+                }
+              }
+              // Adjust case.
+              if (next < 97) argText = argText.toUpperCase();
+              // Insert the result into the buffer.
+              argText.split('').forEach(function(chr) {
+                ret.push(chr.charCodeAt(0));
+              });
+              break;
+            }
+            case 's': {
+              // String.
+              var arg = getNextArg('i8*');
+              var argLength = arg ? _strlen(arg) : '(null)'.length;
+              if (precisionSet) argLength = Math.min(argLength, precision);
+              if (!flagLeftAlign) {
+                while (argLength < width--) {
+                  ret.push(32);
+                }
+              }
+              if (arg) {
+                for (var i = 0; i < argLength; i++) {
+                  ret.push(HEAPU8[((arg++)|0)]);
+                }
+              } else {
+                ret = ret.concat(intArrayFromString('(null)'.substr(0, argLength), true));
+              }
+              if (flagLeftAlign) {
+                while (argLength < width--) {
+                  ret.push(32);
+                }
+              }
+              break;
+            }
+            case 'c': {
+              // Character.
+              if (flagLeftAlign) ret.push(getNextArg('i8'));
+              while (--width > 0) {
+                ret.push(32);
+              }
+              if (!flagLeftAlign) ret.push(getNextArg('i8'));
+              break;
+            }
+            case 'n': {
+              // Write the length written so far to the next parameter.
+              var ptr = getNextArg('i32*');
+              HEAP32[((ptr)>>2)]=ret.length
+              break;
+            }
+            case '%': {
+              // Literal percent sign.
+              ret.push(curr);
+              break;
+            }
+            default: {
+              // Unknown specifiers remain untouched.
+              for (var i = startTextIndex; i < textIndex + 2; i++) {
+                ret.push(HEAP8[(i)]);
+              }
+            }
+          }
+          textIndex += 2;
+          // TODO: Support a/A (hex float) and m (last error) specifiers.
+          // TODO: Support %1${specifier} for arg selection.
+        } else {
+          ret.push(curr);
+          textIndex += 1;
+        }
+      }
+      return ret;
+    }function _fprintf(stream, format, varargs) {
+      // int fprintf(FILE *restrict stream, const char *restrict format, ...);
+      // http://pubs.opengroup.org/onlinepubs/000095399/functions/printf.html
+      var result = __formatString(format, varargs);
+      var stack = Runtime.stackSave();
+      var ret = _fwrite(allocate(result, 'i8', ALLOC_STACK), 1, result.length, stream);
+      Runtime.stackRestore(stack);
+      return ret;
+    }function _printf(format, varargs) {
+      // int printf(const char *restrict format, ...);
+      // http://pubs.opengroup.org/onlinepubs/000095399/functions/printf.html
+      var stdout = HEAP32[((_stdout)>>2)];
+      return _fprintf(stdout, format, varargs);
+    }
+  Module["_memcpy"] = _memcpy;var _llvm_memcpy_p0i8_p0i8_i32=_memcpy;
+  function ___cxa_guard_acquire(variable) {
+      if (!HEAP8[(variable)]) { // ignore SAFE_HEAP stuff because llvm mixes i64 and i8 here
+        HEAP8[(variable)]=1;
+        return 1;
+      }
+      return 0;
+    }
+  function ___cxa_guard_release() {}
+  Module["_memset"] = _memset;var _llvm_memset_p0i8_i64=_memset;
+  var _sinf=Math.sin;
+  var _cosf=Math.cos;
+  var _sqrtf=Math.sqrt;
+  var _fabsf=Math.abs;
+  function _llvm_lifetime_start() {}
+  function _llvm_lifetime_end() {}
+  function _fmod(x, y) {
+      return x % y;
+    }var _fmodf=_fmod;
+  var _atan2f=Math.atan2;
+  var _llvm_pow_f32=Math.pow;
+  var _acosf=Math.acos;
+  var _llvm_memset_p0i8_i32=_memset;
+  function _atexit(func, arg) {
+      __ATEXIT__.unshift({ func: func, arg: arg });
+    }var ___cxa_atexit=_atexit;
+  function ___cxa_guard_abort() {}
+  function ___cxa_pure_virtual() {
+      ABORT = true;
+      throw 'Pure virtual function called!';
+    }
+  function ___assert_func(filename, line, func, condition) {
+      throw 'Assertion failed: ' + (condition ? Pointer_stringify(condition) : 'unknown condition') + ', at: ' + [filename ? Pointer_stringify(filename) : 'unknown filename', line, func ? Pointer_stringify(func) : 'unknown function'] + ' at ' + new Error().stack;
+    }
+  Module["_llvm_uadd_with_overflow_i64"] = _llvm_uadd_with_overflow_i64;
+  function _gettimeofday(ptr) {
+      // %struct.timeval = type { i32, i32 }
+      var now = Date.now();
+      HEAP32[((ptr)>>2)]=Math.floor(now/1000); // seconds
+      HEAP32[(((ptr)+(4))>>2)]=Math.floor((now-1000*Math.floor(now/1000))*1000); // microseconds
+      return 0;
+    }
+  function _abort() {
+      Module['abort']();
+    }
+  function ___errno_location() {
+      return ___errno_state;
+    }var ___errno=___errno_location;
+  function _sbrk(bytes) {
+      // Implement a Linux-like 'memory area' for our 'process'.
+      // Changes the size of the memory area by |bytes|; returns the
+      // address of the previous top ('break') of the memory area
+      // We control the "dynamic" memory - DYNAMIC_BASE to DYNAMICTOP
+      var self = _sbrk;
+      if (!self.called) {
+        DYNAMICTOP = alignMemoryPage(DYNAMICTOP); // make sure we start out aligned
+        self.called = true;
+        assert(Runtime.dynamicAlloc);
+        self.alloc = Runtime.dynamicAlloc;
+        Runtime.dynamicAlloc = function() { abort('cannot dynamically allocate, sbrk now has control') };
+      }
+      var ret = DYNAMICTOP;
+      if (bytes != 0) self.alloc(bytes);
+      return ret;  // Previous break location.
+    }
+  function _sysconf(name) {
+      // long sysconf(int name);
+      // http://pubs.opengroup.org/onlinepubs/009695399/functions/sysconf.html
+      switch(name) {
+        case 8: return PAGE_SIZE;
+        case 54:
+        case 56:
+        case 21:
+        case 61:
+        case 63:
+        case 22:
+        case 67:
+        case 23:
+        case 24:
+        case 25:
+        case 26:
+        case 27:
+        case 69:
+        case 28:
+        case 101:
+        case 70:
+        case 71:
+        case 29:
+        case 30:
+        case 199:
+        case 75:
+        case 76:
+        case 32:
+        case 43:
+        case 44:
+        case 80:
+        case 46:
+        case 47:
+        case 45:
+        case 48:
+        case 49:
+        case 42:
+        case 82:
+        case 33:
+        case 7:
+        case 108:
+        case 109:
+        case 107:
+        case 112:
+        case 119:
+        case 121:
+          return 200809;
+        case 13:
+        case 104:
+        case 94:
+        case 95:
+        case 34:
+        case 35:
+        case 77:
+        case 81:
+        case 83:
+        case 84:
+        case 85:
+        case 86:
+        case 87:
+        case 88:
+        case 89:
+        case 90:
+        case 91:
+        case 94:
+        case 95:
+        case 110:
+        case 111:
+        case 113:
+        case 114:
+        case 115:
+        case 116:
+        case 117:
+        case 118:
+        case 120:
+        case 40:
+        case 16:
+        case 79:
+        case 19:
+          return -1;
+        case 92:
+        case 93:
+        case 5:
+        case 72:
+        case 6:
+        case 74:
+        case 92:
+        case 93:
+        case 96:
+        case 97:
+        case 98:
+        case 99:
+        case 102:
+        case 103:
+        case 105:
+          return 1;
+        case 38:
+        case 66:
+        case 50:
+        case 51:
+        case 4:
+          return 1024;
+        case 15:
+        case 64:
+        case 41:
+          return 32;
+        case 55:
+        case 37:
+        case 17:
+          return 2147483647;
+        case 18:
+        case 1:
+          return 47839;
+        case 59:
+        case 57:
+          return 99;
+        case 68:
+        case 58:
+          return 2048;
+        case 0: return 2097152;
+        case 3: return 65536;
+        case 14: return 32768;
+        case 73: return 32767;
+        case 39: return 16384;
+        case 60: return 1000;
+        case 106: return 700;
+        case 52: return 256;
+        case 62: return 255;
+        case 2: return 100;
+        case 65: return 64;
+        case 36: return 20;
+        case 100: return 16;
+        case 20: return 6;
+        case 53: return 4;
+        case 10: return 1;
+      }
+      ___setErrNo(ERRNO_CODES.EINVAL);
+      return -1;
+    }
+  function _time(ptr) {
+      var ret = Math.floor(Date.now()/1000);
+      if (ptr) {
+        HEAP32[((ptr)>>2)]=ret
+      }
+      return ret;
+    }
+  function ___cxa_allocate_exception(size) {
+      return _malloc(size);
+    }
+  function _llvm_eh_exception() {
+      return HEAP32[((_llvm_eh_exception.buf)>>2)];
+    }
+  function __ZSt18uncaught_exceptionv() { // std::uncaught_exception()
+      return !!__ZSt18uncaught_exceptionv.uncaught_exception;
+    }
+  function ___cxa_is_number_type(type) {
+      var isNumber = false;
+      try { if (type == __ZTIi) isNumber = true } catch(e){}
+      try { if (type == __ZTIj) isNumber = true } catch(e){}
+      try { if (type == __ZTIl) isNumber = true } catch(e){}
+      try { if (type == __ZTIm) isNumber = true } catch(e){}
+      try { if (type == __ZTIx) isNumber = true } catch(e){}
+      try { if (type == __ZTIy) isNumber = true } catch(e){}
+      try { if (type == __ZTIf) isNumber = true } catch(e){}
+      try { if (type == __ZTId) isNumber = true } catch(e){}
+      try { if (type == __ZTIe) isNumber = true } catch(e){}
+      try { if (type == __ZTIc) isNumber = true } catch(e){}
+      try { if (type == __ZTIa) isNumber = true } catch(e){}
+      try { if (type == __ZTIh) isNumber = true } catch(e){}
+      try { if (type == __ZTIs) isNumber = true } catch(e){}
+      try { if (type == __ZTIt) isNumber = true } catch(e){}
+      return isNumber;
+    }function ___cxa_does_inherit(definiteType, possibilityType, possibility) {
+      if (possibility == 0) return false;
+      if (possibilityType == 0 || possibilityType == definiteType)
+        return true;
+      var possibility_type_info;
+      if (___cxa_is_number_type(possibilityType)) {
+        possibility_type_info = possibilityType;
+      } else {
+        var possibility_type_infoAddr = HEAP32[((possibilityType)>>2)] - 8;
+        possibility_type_info = HEAP32[((possibility_type_infoAddr)>>2)];
+      }
+      switch (possibility_type_info) {
+      case 0: // possibility is a pointer
+        // See if definite type is a pointer
+        var definite_type_infoAddr = HEAP32[((definiteType)>>2)] - 8;
+        var definite_type_info = HEAP32[((definite_type_infoAddr)>>2)];
+        if (definite_type_info == 0) {
+          // Also a pointer; compare base types of pointers
+          var defPointerBaseAddr = definiteType+8;
+          var defPointerBaseType = HEAP32[((defPointerBaseAddr)>>2)];
+          var possPointerBaseAddr = possibilityType+8;
+          var possPointerBaseType = HEAP32[((possPointerBaseAddr)>>2)];
+          return ___cxa_does_inherit(defPointerBaseType, possPointerBaseType, possibility);
+        } else
+          return false; // one pointer and one non-pointer
+      case 1: // class with no base class
+        return false;
+      case 2: // class with base class
+        var parentTypeAddr = possibilityType + 8;
+        var parentType = HEAP32[((parentTypeAddr)>>2)];
+        return ___cxa_does_inherit(definiteType, parentType, possibility);
+      default:
+        return false; // some unencountered type
+      }
+    }
+  function ___resumeException(ptr) {
+      if (HEAP32[((_llvm_eh_exception.buf)>>2)] == 0) HEAP32[((_llvm_eh_exception.buf)>>2)]=ptr;
+      throw ptr + " - Exception catching is disabled, this exception cannot be caught. Compile with -s DISABLE_EXCEPTION_CATCHING=0 or DISABLE_EXCEPTION_CATCHING=2 to catch.";;
+    }function ___cxa_find_matching_catch(thrown, throwntype) {
+      if (thrown == -1) thrown = HEAP32[((_llvm_eh_exception.buf)>>2)];
+      if (throwntype == -1) throwntype = HEAP32[(((_llvm_eh_exception.buf)+(4))>>2)];
+      var typeArray = Array.prototype.slice.call(arguments, 2);
+      // If throwntype is a pointer, this means a pointer has been
+      // thrown. When a pointer is thrown, actually what's thrown
+      // is a pointer to the pointer. We'll dereference it.
+      if (throwntype != 0 && !___cxa_is_number_type(throwntype)) {
+        var throwntypeInfoAddr= HEAP32[((throwntype)>>2)] - 8;
+        var throwntypeInfo= HEAP32[((throwntypeInfoAddr)>>2)];
+        if (throwntypeInfo == 0)
+          thrown = HEAP32[((thrown)>>2)];
+      }
+      // The different catch blocks are denoted by different types.
+      // Due to inheritance, those types may not precisely match the
+      // type of the thrown object. Find one which matches, and
+      // return the type of the catch block which should be called.
+      for (var i = 0; i < typeArray.length; i++) {
+        if (___cxa_does_inherit(typeArray[i], throwntype, thrown))
+          return ((asm["setTempRet0"](typeArray[i]),thrown)|0);
+      }
+      // Shouldn't happen unless we have bogus data in typeArray
+      // or encounter a type for which emscripten doesn't have suitable
+      // typeinfo defined. Best-efforts match just in case.
+      return ((asm["setTempRet0"](throwntype),thrown)|0);
+    }function ___cxa_throw(ptr, type, destructor) {
+      if (!___cxa_throw.initialized) {
+        try {
+          HEAP32[((__ZTVN10__cxxabiv119__pointer_type_infoE)>>2)]=0; // Workaround for libcxxabi integration bug
+        } catch(e){}
+        try {
+          HEAP32[((__ZTVN10__cxxabiv117__class_type_infoE)>>2)]=1; // Workaround for libcxxabi integration bug
+        } catch(e){}
+        try {
+          HEAP32[((__ZTVN10__cxxabiv120__si_class_type_infoE)>>2)]=2; // Workaround for libcxxabi integration bug
+        } catch(e){}
+        ___cxa_throw.initialized = true;
+      }
+      HEAP32[((_llvm_eh_exception.buf)>>2)]=ptr
+      HEAP32[(((_llvm_eh_exception.buf)+(4))>>2)]=type
+      HEAP32[(((_llvm_eh_exception.buf)+(8))>>2)]=destructor
+      if (!("uncaught_exception" in __ZSt18uncaught_exceptionv)) {
+        __ZSt18uncaught_exceptionv.uncaught_exception = 1;
+      } else {
+        __ZSt18uncaught_exceptionv.uncaught_exception++;
+      }
+      throw ptr + " - Exception catching is disabled, this exception cannot be caught. Compile with -s DISABLE_EXCEPTION_CATCHING=0 or DISABLE_EXCEPTION_CATCHING=2 to catch.";;
+    }
+  function ___cxa_call_unexpected(exception) {
+      Module.printErr('Unexpected exception thrown, this is not properly supported - aborting');
+      ABORT = true;
+      throw exception;
+    }
+  var Browser={mainLoop:{scheduler:null,shouldPause:false,paused:false,queue:[],pause:function () {
+          Browser.mainLoop.shouldPause = true;
+        },resume:function () {
+          if (Browser.mainLoop.paused) {
+            Browser.mainLoop.paused = false;
+            Browser.mainLoop.scheduler();
+          }
+          Browser.mainLoop.shouldPause = false;
+        },updateStatus:function () {
+          if (Module['setStatus']) {
+            var message = Module['statusMessage'] || 'Please wait...';
+            var remaining = Browser.mainLoop.remainingBlockers;
+            var expected = Browser.mainLoop.expectedBlockers;
+            if (remaining) {
+              if (remaining < expected) {
+                Module['setStatus'](message + ' (' + (expected - remaining) + '/' + expected + ')');
+              } else {
+                Module['setStatus'](message);
+              }
+            } else {
+              Module['setStatus']('');
+            }
+          }
+        }},isFullScreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function () {
+        if (!Module["preloadPlugins"]) Module["preloadPlugins"] = []; // needs to exist even in workers
+        if (Browser.initted || ENVIRONMENT_IS_WORKER) return;
+        Browser.initted = true;
+        try {
+          new Blob();
+          Browser.hasBlobConstructor = true;
+        } catch(e) {
+          Browser.hasBlobConstructor = false;
+          console.log("warning: no blob constructor, cannot create blobs with mimetypes");
+        }
+        Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : (typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : (!Browser.hasBlobConstructor ? console.log("warning: no BlobBuilder") : null));
+        Browser.URLObject = typeof window != "undefined" ? (window.URL ? window.URL : window.webkitURL) : undefined;
+        if (!Module.noImageDecoding && typeof Browser.URLObject === 'undefined') {
+          console.log("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");
+          Module.noImageDecoding = true;
+        }
+        // Support for plugins that can process preloaded files. You can add more of these to
+        // your app by creating and appending to Module.preloadPlugins.
+        //
+        // Each plugin is asked if it can handle a file based on the file's name. If it can,
+        // it is given the file's raw data. When it is done, it calls a callback with the file's
+        // (possibly modified) data. For example, a plugin might decompress a file, or it
+        // might create some side data structure for use later (like an Image element, etc.).
+        var imagePlugin = {};
+        imagePlugin['canHandle'] = function(name) {
+          return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name);
+        };
+        imagePlugin['handle'] = function(byteArray, name, onload, onerror) {
+          var b = null;
+          if (Browser.hasBlobConstructor) {
+            try {
+              b = new Blob([byteArray], { type: Browser.getMimetype(name) });
+              if (b.size !== byteArray.length) { // Safari bug #118630
+                // Safari's Blob can only take an ArrayBuffer
+                b = new Blob([(new Uint8Array(byteArray)).buffer], { type: Browser.getMimetype(name) });
+              }
+            } catch(e) {
+              Runtime.warnOnce('Blob constructor present but fails: ' + e + '; falling back to blob builder');
+            }
+          }
+          if (!b) {
+            var bb = new Browser.BlobBuilder();
+            bb.append((new Uint8Array(byteArray)).buffer); // we need to pass a buffer, and must copy the array to get the right data range
+            b = bb.getBlob();
+          }
+          var url = Browser.URLObject.createObjectURL(b);
+          var img = new Image();
+          img.onload = function() {
+            assert(img.complete, 'Image ' + name + ' could not be decoded');
+            var canvas = document.createElement('canvas');
+            canvas.width = img.width;
+            canvas.height = img.height;
+            var ctx = canvas.getContext('2d');
+            ctx.drawImage(img, 0, 0);
+            Module["preloadedImages"][name] = canvas;
+            Browser.URLObject.revokeObjectURL(url);
+            if (onload) onload(byteArray);
+          };
+          img.onerror = function(event) {
+            console.log('Image ' + url + ' could not be decoded');
+            if (onerror) onerror();
+          };
+          img.src = url;
+        };
+        Module['preloadPlugins'].push(imagePlugin);
+        var audioPlugin = {};
+        audioPlugin['canHandle'] = function(name) {
+          return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 };
+        };
+        audioPlugin['handle'] = function(byteArray, name, onload, onerror) {
+          var done = false;
+          function finish(audio) {
+            if (done) return;
+            done = true;
+            Module["preloadedAudios"][name] = audio;
+            if (onload) onload(byteArray);
+          }
+          function fail() {
+            if (done) return;
+            done = true;
+            Module["preloadedAudios"][name] = new Audio(); // empty shim
+            if (onerror) onerror();
+          }
+          if (Browser.hasBlobConstructor) {
+            try {
+              var b = new Blob([byteArray], { type: Browser.getMimetype(name) });
+            } catch(e) {
+              return fail();
+            }
+            var url = Browser.URLObject.createObjectURL(b); // XXX we never revoke this!
+            var audio = new Audio();
+            audio.addEventListener('canplaythrough', function() { finish(audio) }, false); // use addEventListener due to chromium bug 124926
+            audio.onerror = function(event) {
+              if (done) return;
+              console.log('warning: browser could not fully decode audio ' + name + ', trying slower base64 approach');
+              function encode64(data) {
+                var BASE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+                var PAD = '=';
+                var ret = '';
+                var leftchar = 0;
+                var leftbits = 0;
+                for (var i = 0; i < data.length; i++) {
+                  leftchar = (leftchar << 8) | data[i];
+                  leftbits += 8;
+                  while (leftbits >= 6) {
+                    var curr = (leftchar >> (leftbits-6)) & 0x3f;
+                    leftbits -= 6;
+                    ret += BASE[curr];
+                  }
+                }
+                if (leftbits == 2) {
+                  ret += BASE[(leftchar&3) << 4];
+                  ret += PAD + PAD;
+                } else if (leftbits == 4) {
+                  ret += BASE[(leftchar&0xf) << 2];
+                  ret += PAD;
+                }
+                return ret;
+              }
+              audio.src = 'data:audio/x-' + name.substr(-3) + ';base64,' + encode64(byteArray);
+              finish(audio); // we don't wait for confirmation this worked - but it's worth trying
+            };
+            audio.src = url;
+            // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror
+            Browser.safeSetTimeout(function() {
+              finish(audio); // try to use it even though it is not necessarily ready to play
+            }, 10000);
+          } else {
+            return fail();
+          }
+        };
+        Module['preloadPlugins'].push(audioPlugin);
+        // Canvas event setup
+        var canvas = Module['canvas'];
+        canvas.requestPointerLock = canvas['requestPointerLock'] ||
+                                    canvas['mozRequestPointerLock'] ||
+                                    canvas['webkitRequestPointerLock'];
+        canvas.exitPointerLock = document['exitPointerLock'] ||
+                                 document['mozExitPointerLock'] ||
+                                 document['webkitExitPointerLock'] ||
+                                 function(){}; // no-op if function does not exist
+        canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
+        function pointerLockChange() {
+          Browser.pointerLock = document['pointerLockElement'] === canvas ||
+                                document['mozPointerLockElement'] === canvas ||
+                                document['webkitPointerLockElement'] === canvas;
+        }
+        document.addEventListener('pointerlockchange', pointerLockChange, false);
+        document.addEventListener('mozpointerlockchange', pointerLockChange, false);
+        document.addEventListener('webkitpointerlockchange', pointerLockChange, false);
+        if (Module['elementPointerLock']) {
+          canvas.addEventListener("click", function(ev) {
+            if (!Browser.pointerLock && canvas.requestPointerLock) {
+              canvas.requestPointerLock();
+              ev.preventDefault();
+            }
+          }, false);
+        }
+      },createContext:function (canvas, useWebGL, setInModule) {
+        var ctx;
+        try {
+          if (useWebGL) {
+            ctx = canvas.getContext('experimental-webgl', {
+              alpha: false
+            });
+          } else {
+            ctx = canvas.getContext('2d');
+          }
+          if (!ctx) throw ':(';
+        } catch (e) {
+          Module.print('Could not create canvas - ' + e);
+          return null;
+        }
+        if (useWebGL) {
+          // Set the background of the WebGL canvas to black
+          canvas.style.backgroundColor = "black";
+          // Warn on context loss
+          canvas.addEventListener('webglcontextlost', function(event) {
+            alert('WebGL context lost. You will need to reload the page.');
+          }, false);
+        }
+        if (setInModule) {
+          Module.ctx = ctx;
+          Module.useWebGL = useWebGL;
+          Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() });
+          Browser.init();
+        }
+        return ctx;
+      },destroyContext:function (canvas, useWebGL, setInModule) {},fullScreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullScreen:function (lockPointer, resizeCanvas) {
+        Browser.lockPointer = lockPointer;
+        Browser.resizeCanvas = resizeCanvas;
+        if (typeof Browser.lockPointer === 'undefined') Browser.lockPointer = true;
+        if (typeof Browser.resizeCanvas === 'undefined') Browser.resizeCanvas = false;
+        var canvas = Module['canvas'];
+        function fullScreenChange() {
+          Browser.isFullScreen = false;
+          if ((document['webkitFullScreenElement'] || document['webkitFullscreenElement'] ||
+               document['mozFullScreenElement'] || document['mozFullscreenElement'] ||
+               document['fullScreenElement'] || document['fullscreenElement']) === canvas) {
+            canvas.cancelFullScreen = document['cancelFullScreen'] ||
+                                      document['mozCancelFullScreen'] ||
+                                      document['webkitCancelFullScreen'];
+            canvas.cancelFullScreen = canvas.cancelFullScreen.bind(document);
+            if (Browser.lockPointer) canvas.requestPointerLock();
+            Browser.isFullScreen = true;
+            if (Browser.resizeCanvas) Browser.setFullScreenCanvasSize();
+          } else if (Browser.resizeCanvas){
+            Browser.setWindowedCanvasSize();
+          }
+          if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullScreen);
+        }
+        if (!Browser.fullScreenHandlersInstalled) {
+          Browser.fullScreenHandlersInstalled = true;
+          document.addEventListener('fullscreenchange', fullScreenChange, false);
+          document.addEventListener('mozfullscreenchange', fullScreenChange, false);
+          document.addEventListener('webkitfullscreenchange', fullScreenChange, false);
+        }
+        canvas.requestFullScreen = canvas['requestFullScreen'] ||
+                                   canvas['mozRequestFullScreen'] ||
+                                   (canvas['webkitRequestFullScreen'] ? function() { canvas['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null);
+        canvas.requestFullScreen();
+      },requestAnimationFrame:function (func) {
+        if (!window.requestAnimationFrame) {
+          window.requestAnimationFrame = window['requestAnimationFrame'] ||
+                                         window['mozRequestAnimationFrame'] ||
+                                         window['webkitRequestAnimationFrame'] ||
+                                         window['msRequestAnimationFrame'] ||
+                                         window['oRequestAnimationFrame'] ||
+                                         window['setTimeout'];
+        }
+        window.requestAnimationFrame(func);
+      },safeCallback:function (func) {
+        return function() {
+          if (!ABORT) return func.apply(null, arguments);
+        };
+      },safeRequestAnimationFrame:function (func) {
+        return Browser.requestAnimationFrame(function() {
+          if (!ABORT) func();
+        });
+      },safeSetTimeout:function (func, timeout) {
+        return setTimeout(function() {
+          if (!ABORT) func();
+        }, timeout);
+      },safeSetInterval:function (func, timeout) {
+        return setInterval(function() {
+          if (!ABORT) func();
+        }, timeout);
+      },getMimetype:function (name) {
+        return {
+          'jpg': 'image/jpeg',
+          'jpeg': 'image/jpeg',
+          'png': 'image/png',
+          'bmp': 'image/bmp',
+          'ogg': 'audio/ogg',
+          'wav': 'audio/wav',
+          'mp3': 'audio/mpeg'
+        }[name.substr(name.lastIndexOf('.')+1)];
+      },getUserMedia:function (func) {
+        if(!window.getUserMedia) {
+          window.getUserMedia = navigator['getUserMedia'] ||
+                                navigator['mozGetUserMedia'];
+        }
+        window.getUserMedia(func);
+      },getMovementX:function (event) {
+        return event['movementX'] ||
+               event['mozMovementX'] ||
+               event['webkitMovementX'] ||
+               0;
+      },getMovementY:function (event) {
+        return event['movementY'] ||
+               event['mozMovementY'] ||
+               event['webkitMovementY'] ||
+               0;
+      },mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,calculateMouseEvent:function (event) { // event should be mousemove, mousedown or mouseup
+        if (Browser.pointerLock) {
+          // When the pointer is locked, calculate the coordinates
+          // based on the movement of the mouse.
+          // Workaround for Firefox bug 764498
+          if (event.type != 'mousemove' &&
+              ('mozMovementX' in event)) {
+            Browser.mouseMovementX = Browser.mouseMovementY = 0;
+          } else {
+            Browser.mouseMovementX = Browser.getMovementX(event);
+            Browser.mouseMovementY = Browser.getMovementY(event);
+          }
+          // check if SDL is available
+          if (typeof SDL != "undefined") {
+          	Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
+          	Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
+          } else {
+          	// just add the mouse delta to the current absolut mouse position
+          	// FIXME: ideally this should be clamped against the canvas size and zero
+          	Browser.mouseX += Browser.mouseMovementX;
+          	Browser.mouseY += Browser.mouseMovementY;
+          }        
+        } else {
+          // Otherwise, calculate the movement based on the changes
+          // in the coordinates.
+          var rect = Module["canvas"].getBoundingClientRect();
+          var x, y;
+          if (event.type == 'touchstart' ||
+              event.type == 'touchend' ||
+              event.type == 'touchmove') {
+            var t = event.touches.item(0);
+            if (t) {
+              x = t.pageX - (window.scrollX + rect.left);
+              y = t.pageY - (window.scrollY + rect.top);
+            } else {
+              return;
+            }
+          } else {
+            x = event.pageX - (window.scrollX + rect.left);
+            y = event.pageY - (window.scrollY + rect.top);
+          }
+          // the canvas might be CSS-scaled compared to its backbuffer;
+          // SDL-using content will want mouse coordinates in terms
+          // of backbuffer units.
+          var cw = Module["canvas"].width;
+          var ch = Module["canvas"].height;
+          x = x * (cw / rect.width);
+          y = y * (ch / rect.height);
+          Browser.mouseMovementX = x - Browser.mouseX;
+          Browser.mouseMovementY = y - Browser.mouseY;
+          Browser.mouseX = x;
+          Browser.mouseY = y;
+        }
+      },xhrLoad:function (url, onload, onerror) {
+        var xhr = new XMLHttpRequest();
+        xhr.open('GET', url, true);
+        xhr.responseType = 'arraybuffer';
+        xhr.onload = function() {
+          if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
+            onload(xhr.response);
+          } else {
+            onerror();
+          }
+        };
+        xhr.onerror = onerror;
+        xhr.send(null);
+      },asyncLoad:function (url, onload, onerror, noRunDep) {
+        Browser.xhrLoad(url, function(arrayBuffer) {
+          assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
+          onload(new Uint8Array(arrayBuffer));
+          if (!noRunDep) removeRunDependency('al ' + url);
+        }, function(event) {
+          if (onerror) {
+            onerror();
+          } else {
+            throw 'Loading data file "' + url + '" failed.';
+          }
+        });
+        if (!noRunDep) addRunDependency('al ' + url);
+      },resizeListeners:[],updateResizeListeners:function () {
+        var canvas = Module['canvas'];
+        Browser.resizeListeners.forEach(function(listener) {
+          listener(canvas.width, canvas.height);
+        });
+      },setCanvasSize:function (width, height, noUpdates) {
+        var canvas = Module['canvas'];
+        canvas.width = width;
+        canvas.height = height;
+        if (!noUpdates) Browser.updateResizeListeners();
+      },windowedWidth:0,windowedHeight:0,setFullScreenCanvasSize:function () {
+        var canvas = Module['canvas'];
+        this.windowedWidth = canvas.width;
+        this.windowedHeight = canvas.height;
+        canvas.width = screen.width;
+        canvas.height = screen.height;
+        // check if SDL is available   
+        if (typeof SDL != "undefined") {
+        	var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)];
+        	flags = flags | 0x00800000; // set SDL_FULLSCREEN flag
+        	HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags
+        }
+        Browser.updateResizeListeners();
+      },setWindowedCanvasSize:function () {
+        var canvas = Module['canvas'];
+        canvas.width = this.windowedWidth;
+        canvas.height = this.windowedHeight;
+        // check if SDL is available       
+        if (typeof SDL != "undefined") {
+        	var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)];
+        	flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag
+        	HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags
+        }
+        Browser.updateResizeListeners();
+      }};
+FS.staticInit();__ATINIT__.unshift({ func: function() { if (!Module["noFSInit"] && !FS.init.initialized) FS.init() } });__ATMAIN__.push({ func: function() { FS.ignorePermissions = false } });__ATEXIT__.push({ func: function() { FS.quit() } });Module["FS_createFolder"] = FS.createFolder;Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createLink"] = FS.createLink;Module["FS_createDevice"] = FS.createDevice;
+___errno_state = Runtime.staticAlloc(4); HEAP32[((___errno_state)>>2)]=0;
+__ATINIT__.unshift({ func: function() { TTY.init() } });__ATEXIT__.push({ func: function() { TTY.shutdown() } });TTY.utf8 = new Runtime.UTF8Processor();
+__ATINIT__.push({ func: function() { SOCKFS.root = FS.mount(SOCKFS, {}, null); } });
+_llvm_eh_exception.buf = allocate(12, "void*", ALLOC_STATIC);
+Module["requestFullScreen"] = function(lockPointer, resizeCanvas) { Browser.requestFullScreen(lockPointer, resizeCanvas) };
+  Module["requestAnimationFrame"] = function(func) { Browser.requestAnimationFrame(func) };
+  Module["setCanvasSize"] = function(width, height, noUpdates) { Browser.setCanvasSize(width, height, noUpdates) };
+  Module["pauseMainLoop"] = function() { Browser.mainLoop.pause() };
+  Module["resumeMainLoop"] = function() { Browser.mainLoop.resume() };
+  Module["getUserMedia"] = function() { Browser.getUserMedia() }
+STACK_BASE = STACKTOP = Runtime.alignMemory(STATICTOP);
+staticSealed = true; // seal the static portion of memory
+STACK_MAX = STACK_BASE + 5242880;
+DYNAMIC_BASE = DYNAMICTOP = Runtime.alignMemory(STACK_MAX);
+assert(DYNAMIC_BASE < TOTAL_MEMORY); // Stack must fit in TOTAL_MEMORY; allocations from here on may enlarge TOTAL_MEMORY
+ var ctlz_i8 = allocate([8,7,6,6,5,5,5,5,4,4,4,4,4,4,4,4,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], "i8", ALLOC_DYNAMIC);
+ var cttz_i8 = allocate([8,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,6,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,7,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,6,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0], "i8", ALLOC_DYNAMIC);
+var Math_min = Math.min;
+function invoke_iiiiiiii(index,a1,a2,a3,a4,a5,a6,a7) {
+  try {
+    return Module["dynCall_iiiiiiii"](index,a1,a2,a3,a4,a5,a6,a7);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_vif(index,a1,a2) {
+  try {
+    Module["dynCall_vif"](index,a1,a2);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viifii(index,a1,a2,a3,a4,a5) {
+  try {
+    Module["dynCall_viifii"](index,a1,a2,a3,a4,a5);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viiiii(index,a1,a2,a3,a4,a5) {
+  try {
+    Module["dynCall_viiiii"](index,a1,a2,a3,a4,a5);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_vi(index,a1) {
+  try {
+    Module["dynCall_vi"](index,a1);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_vii(index,a1,a2) {
+  try {
+    Module["dynCall_vii"](index,a1,a2);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viiifii(index,a1,a2,a3,a4,a5,a6) {
+  try {
+    Module["dynCall_viiifii"](index,a1,a2,a3,a4,a5,a6);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_vifiii(index,a1,a2,a3,a4,a5) {
+  try {
+    Module["dynCall_vifiii"](index,a1,a2,a3,a4,a5);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_ii(index,a1) {
+  try {
+    return Module["dynCall_ii"](index,a1);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viiiiffffiif(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11) {
+  try {
+    Module["dynCall_viiiiffffiif"](index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_fiii(index,a1,a2,a3) {
+  try {
+    return Module["dynCall_fiii"](index,a1,a2,a3);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viiif(index,a1,a2,a3,a4) {
+  try {
+    Module["dynCall_viiif"](index,a1,a2,a3,a4);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_fiiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11) {
+  try {
+    return Module["dynCall_fiiiiiiiiiii"](index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_fiifii(index,a1,a2,a3,a4,a5) {
+  try {
+    return Module["dynCall_fiifii"](index,a1,a2,a3,a4,a5);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_iii(index,a1,a2) {
+  try {
+    return Module["dynCall_iii"](index,a1,a2);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_iiii(index,a1,a2,a3) {
+  try {
+    return Module["dynCall_iiii"](index,a1,a2,a3);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_fif(index,a1,a2) {
+  try {
+    return Module["dynCall_fif"](index,a1,a2);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8) {
+  try {
+    Module["dynCall_viiiiiiii"](index,a1,a2,a3,a4,a5,a6,a7,a8);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_vifi(index,a1,a2,a3) {
+  try {
+    Module["dynCall_vifi"](index,a1,a2,a3);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viiiiii(index,a1,a2,a3,a4,a5,a6) {
+  try {
+    Module["dynCall_viiiiii"](index,a1,a2,a3,a4,a5,a6);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_iiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9) {
+  try {
+    return Module["dynCall_iiiiiiiiii"](index,a1,a2,a3,a4,a5,a6,a7,a8,a9);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viffiii(index,a1,a2,a3,a4,a5,a6) {
+  try {
+    Module["dynCall_viffiii"](index,a1,a2,a3,a4,a5,a6);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_iiiiiii(index,a1,a2,a3,a4,a5,a6) {
+  try {
+    return Module["dynCall_iiiiiii"](index,a1,a2,a3,a4,a5,a6);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_fiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) {
+  try {
+    return Module["dynCall_fiiiiiiiiii"](index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_fiiiii(index,a1,a2,a3,a4,a5) {
+  try {
+    return Module["dynCall_fiiiii"](index,a1,a2,a3,a4,a5);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_iiiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11) {
+  try {
+    return Module["dynCall_iiiiiiiiiiii"](index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_vifii(index,a1,a2,a3,a4) {
+  try {
+    Module["dynCall_vifii"](index,a1,a2,a3,a4);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_fi(index,a1) {
+  try {
+    return Module["dynCall_fi"](index,a1);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) {
+  try {
+    Module["dynCall_viiiiiiiiii"](index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viiiifffffif(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11) {
+  try {
+    Module["dynCall_viiiifffffif"](index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viiiiiffii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9) {
+  try {
+    Module["dynCall_viiiiiffii"](index,a1,a2,a3,a4,a5,a6,a7,a8,a9);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_iifif(index,a1,a2,a3,a4) {
+  try {
+    return Module["dynCall_iifif"](index,a1,a2,a3,a4);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_iiiii(index,a1,a2,a3,a4) {
+  try {
+    return Module["dynCall_iiiii"](index,a1,a2,a3,a4);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viii(index,a1,a2,a3) {
+  try {
+    Module["dynCall_viii"](index,a1,a2,a3);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viifi(index,a1,a2,a3,a4) {
+  try {
+    Module["dynCall_viifi"](index,a1,a2,a3,a4);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_v(index) {
+  try {
+    Module["dynCall_v"](index);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viif(index,a1,a2,a3) {
+  try {
+    Module["dynCall_viif"](index,a1,a2,a3);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_iiif(index,a1,a2,a3) {
+  try {
+    return Module["dynCall_iiif"](index,a1,a2,a3);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_fiiifii(index,a1,a2,a3,a4,a5,a6) {
+  try {
+    return Module["dynCall_fiiifii"](index,a1,a2,a3,a4,a5,a6);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function invoke_viiii(index,a1,a2,a3,a4) {
+  try {
+    Module["dynCall_viiii"](index,a1,a2,a3,a4);
+  } catch(e) {
+    if (typeof e !== 'number' && e !== 'longjmp') throw e;
+    asm["setThrew"](1, 0);
+  }
+}
+function asmPrintInt(x, y) {
+  Module.print('int ' + x + ',' + y);// + ' ' + new Error().stack);
+}
+function asmPrintFloat(x, y) {
+  Module.print('float ' + x + ',' + y);// + ' ' + new Error().stack);
+}
+// EMSCRIPTEN_START_ASM
+var asmModule = function(global, env, buffer) {
+  'use asm';
+  var HEAP8 = new global.Int8Array(buffer);
+  var HEAP16 = new global.Int16Array(buffer);
+  var HEAP32 = new global.Int32Array(buffer);
+  var HEAPU8 = new global.Uint8Array(buffer);
+  var HEAPU16 = new global.Uint16Array(buffer);
+  var HEAPU32 = new global.Uint32Array(buffer);
+  var HEAPF32 = new global.Float32Array(buffer);
+  var HEAPF64 = new global.Float64Array(buffer);
+  var STACKTOP=env.STACKTOP|0;
+  var STACK_MAX=env.STACK_MAX|0;
+  var tempDoublePtr=env.tempDoublePtr|0;
+  var ABORT=env.ABORT|0;
+  var cttz_i8=env.cttz_i8|0;
+  var ctlz_i8=env.ctlz_i8|0;
+  var __ZTVN10__cxxabiv117__class_type_infoE=env.__ZTVN10__cxxabiv117__class_type_infoE|0;
+  var __ZTVN10__cxxabiv120__si_class_type_infoE=env.__ZTVN10__cxxabiv120__si_class_type_infoE|0;
+  var ___dso_handle=env.___dso_handle|0;
+  var NaN=+env.NaN;
+  var Infinity=+env.Infinity;
+  var __THREW__ = 0;
+  var threwValue = 0;
+  var setjmpId = 0;
+  var undef = 0;
+  var tempInt = 0, tempBigInt = 0, tempBigIntP = 0, tempBigIntS = 0, tempBigIntR = 0.0, tempBigIntI = 0, tempBigIntD = 0, tempValue = 0, tempDouble = 0.0;
+  var tempRet0 = 0;
+  var tempRet1 = 0;
+  var tempRet2 = 0;
+  var tempRet3 = 0;
+  var tempRet4 = 0;
+  var tempRet5 = 0;
+  var tempRet6 = 0;
+  var tempRet7 = 0;
+  var tempRet8 = 0;
+  var tempRet9 = 0;
+  var Math_floor=global.Math.floor;
+  var Math_abs=global.Math.abs;
+  var Math_sqrt=global.Math.sqrt;
+  var Math_pow=global.Math.pow;
+  var Math_cos=global.Math.cos;
+  var Math_sin=global.Math.sin;
+  var Math_tan=global.Math.tan;
+  var Math_acos=global.Math.acos;
+  var Math_asin=global.Math.asin;
+  var Math_atan=global.Math.atan;
+  var Math_atan2=global.Math.atan2;
+  var Math_exp=global.Math.exp;
+  var Math_log=global.Math.log;
+  var Math_ceil=global.Math.ceil;
+  var Math_imul=global.Math.imul;
+  var abort=env.abort;
+  var assert=env.assert;
+  var asmPrintInt=env.asmPrintInt;
+  var asmPrintFloat=env.asmPrintFloat;
+  var Math_min=env.min;
+  var invoke_iiiiiiii=env.invoke_iiiiiiii;
+  var invoke_vif=env.invoke_vif;
+  var invoke_viifii=env.invoke_viifii;
+  var invoke_viiiii=env.invoke_viiiii;
+  var invoke_vi=env.invoke_vi;
+  var invoke_vii=env.invoke_vii;
+  var invoke_viiifii=env.invoke_viiifii;
+  var invoke_vifiii=env.invoke_vifiii;
+  var invoke_ii=env.invoke_ii;
+  var invoke_viiiiffffiif=env.invoke_viiiiffffiif;
+  var invoke_fiii=env.invoke_fiii;
+  var invoke_viiif=env.invoke_viiif;
+  var invoke_fiiiiiiiiiii=env.invoke_fiiiiiiiiiii;
+  var invoke_fiifii=env.invoke_fiifii;
+  var invoke_iii=env.invoke_iii;
+  var invoke_iiii=env.invoke_iiii;
+  var invoke_fif=env.invoke_fif;
+  var invoke_viiiiiiii=env.invoke_viiiiiiii;
+  var invoke_vifi=env.invoke_vifi;
+  var invoke_viiiiii=env.invoke_viiiiii;
+  var invoke_iiiiiiiiii=env.invoke_iiiiiiiiii;
+  var invoke_viffiii=env.invoke_viffiii;
+  var invoke_iiiiiii=env.invoke_iiiiiii;
+  var invoke_fiiiiiiiiii=env.invoke_fiiiiiiiiii;
+  var invoke_fiiiii=env.invoke_fiiiii;
+  var invoke_iiiiiiiiiiii=env.invoke_iiiiiiiiiiii;
+  var invoke_vifii=env.invoke_vifii;
+  var invoke_fi=env.invoke_fi;
+  var invoke_viiiiiiiiii=env.invoke_viiiiiiiiii;
+  var invoke_viiiifffffif=env.invoke_viiiifffffif;
+  var invoke_viiiiiffii=env.invoke_viiiiiffii;
+  var invoke_iifif=env.invoke_iifif;
+  var invoke_iiiii=env.invoke_iiiii;
+  var invoke_viii=env.invoke_viii;
+  var invoke_viifi=env.invoke_viifi;
+  var invoke_v=env.invoke_v;
+  var invoke_viif=env.invoke_viif;
+  var invoke_iiif=env.invoke_iiif;
+  var invoke_fiiifii=env.invoke_fiiifii;
+  var invoke_viiii=env.invoke_viiii;
+  var _llvm_lifetime_end=env._llvm_lifetime_end;
+  var _cosf=env._cosf;
+  var _fabsf=env._fabsf;
+  var _sysconf=env._sysconf;
+  var ___cxa_throw=env.___cxa_throw;
+  var _atexit=env._atexit;
+  var _abort=env._abort;
+  var _fprintf=env._fprintf;
+  var _llvm_eh_exception=env._llvm_eh_exception;
+  var _printf=env._printf;
+  var _acosf=env._acosf;
+  var _fflush=env._fflush;
+  var __reallyNegative=env.__reallyNegative;
+  var _sqrtf=env._sqrtf;
+  var _llvm_pow_f32=env._llvm_pow_f32;
+  var ___setErrNo=env.___setErrNo;
+  var _fwrite=env._fwrite;
+  var _send=env._send;
+  var _write=env._write;
+  var _exit=env._exit;
+  var _atan2f=env._atan2f;
+  var ___cxa_pure_virtual=env.___cxa_pure_virtual;
+  var ___cxa_is_number_type=env.___cxa_is_number_type;
+  var _time=env._time;
+  var __formatString=env.__formatString;
+  var ___cxa_does_inherit=env.___cxa_does_inherit;
+  var ___cxa_guard_acquire=env.___cxa_guard_acquire;
+  var __ZSt9terminatev=env.__ZSt9terminatev;
+  var _gettimeofday=env._gettimeofday;
+  var ___cxa_find_matching_catch=env.___cxa_find_matching_catch;
+  var _sinf=env._sinf;
+  var ___assert_func=env.___assert_func;
+  var __ZSt18uncaught_exceptionv=env.__ZSt18uncaught_exceptionv;
+  var _pwrite=env._pwrite;
+  var ___cxa_call_unexpected=env.___cxa_call_unexpected;
+  var _sbrk=env._sbrk;
+  var ___cxa_guard_abort=env.___cxa_guard_abort;
+  var ___cxa_allocate_exception=env.___cxa_allocate_exception;
+  var ___errno_location=env.___errno_location;
+  var ___gxx_personality_v0=env.___gxx_personality_v0;
+  var _llvm_lifetime_start=env._llvm_lifetime_start;
+  var _fmod=env._fmod;
+  var ___cxa_guard_release=env.___cxa_guard_release;
+  var __exit=env.__exit;
+  var ___resumeException=env.___resumeException;
+// EMSCRIPTEN_START_FUNCS
+function __ZN20btConvexHullInternal9shiftFaceEPNS_4FaceEf20btAlignedObjectArrayIPNS_6VertexEE(i1, i2, d3, i4) {
+ i1 = i1 | 0;
+ i2 = i2 | 0;
+ d3 = +d3;
+ i4 = i4 | 0;
+ var i5 = 0, i6 = 0, i7 = 0, i8 = 0, i9 = 0, i10 = 0, i11 = 0, i12 = 0, i13 = 0, i14 = 0, d15 = 0.0, d16 = 0.0, d17 = 0.0, i18 = 0, i19 = 0, i20 = 0, i21 = 0, i22 = 0, i23 = 0, i24 = 0, i25 = 0, i26 = 0, i27 = 0, i28 = 0, i29 = 0, i30 = 0, i31 = 0, i32 = 0, i33 = 0, i34 = 0, i35 = 0, i36 = 0, i37 = 0, i38 = 0, i39 = 0, i40 = 0, i41 = 0, i42 = 0, i43 = 0, i44 = 0, i45 = 0, i46 = 0, i47 = 0, i48 = 0, i49 = 0, i50 = 0, i51 = 0, i52 = 0, i53 = 0, i54 = 0, i55 = 0, i56 = 0, i57 = 0, i58 = 0, i59 = 0, i60 = 0, i61 = 0, i62 = 0, i63 = 0, i64 = 0, i65 = 0, i66 = 0, i67 = 0, i68 = 0, i69 = 0, i70 = 0, i71 = 0, i72 = 0, i73 = 0, i74 = 0, i75 = 0, i76 = 0, i77 = 0, i78 = 0, i79 = 0, i80 = 0, i81 = 0, i82 = 0, i83 = 0, i84 = 0, i85 = 0, i86 = 0, i87 = 0, i88 = 0, i89 = 0, i90 = 0, i91 = 0, i92 = 0, i93 = 0, i94 = 0, i95 = 0, i96 = 0, i97 = 0, i98 = 0, i99 = 0, i100 = 0, i101 = 0, i102 = 0, i103 = 0, i104 = 0, i105 = 0, i106 = 0, i107 = 0, i108 = 0, i109 = 0, i110 = 0, i111 = 0, i112 = 0, i113 = 0, i114 = 0, i115 = 0, i116 = 0, i117 = 0, i118 = 0, i119 = 0, i120 = 0, i121 = 0, i122 = 0, i123 = 0, i124 = 0, i125 = 0, i126 = 0, i127 = 0, i128 = 0, i129 = 0, i130 = 0, i131 = 0, i132 = 0, i133 = 0, i134 = 0, i135 = 0, i136 = 0, i137 = 0, i138 = 0, i139 = 0, i140 = 0, i141 = 0, i142 = 0, i143 = 0, i144 = 0, i145 = 0, i146 = 0, i147 = 0, i148 = 0, i149 = 0, i150 = 0, i151 = 0, i152 = 0, i153 = 0, i154 = 0, i155 = 0, i156 = 0, i157 = 0, i158 = 0, i159 = 0, i160 = 0, i161 = 0, i162 = 0, i163 = 0, i164 = 0, i165 = 0, i166 = 0, i167 = 0, i168 = 0, i169 = 0, i170 = 0, i171 = 0, i172 = 0, i173 = 0, i174 = 0, i175 = 0, i176 = 0, i177 = 0, i178 = 0, i179 = 0, i180 = 0, i181 = 0, i182 = 0, i183 = 0, i184 = 0, i185 = 0, i186 = 0, i187 = 0, i188 = 0, i189 = 0, i190 = 0, i191 = 0, i192 = 0, i193 = 0, i194 = 0, i195 = 0, i196 = 0, i197 = 0, i198 = 0, i199 = 0, i200 = 0, i201 = 0, i202 = 0, i203 = 0, i204 = 0, i205 = 0, i206 = 0, i207 = 0, i208 = 0, i209 = 0, i210 = 0, i211 = 0, i212 = 0, i213 = 0, i214 = 0, i215 = 0, i216 = 0, i217 = 0, i218 = 0, i219 = 0, i220 = 0, i221 = 0, i222 = 0, i223 = 0, i224 = 0, i225 = 0, i226 = 0, i227 = 0, i228 = 0, i229 = 0, i230 = 0, i231 = 0, i232 = 0, i233 = 0, i234 = 0, i235 = 0, i236 = 0, i237 = 0, i238 = 0, i239 = 0, i240 = 0, i241 = 0, i242 = 0, i243 = 0, i244 = 0, i245 = 0, i246 = 0, i247 = 0, i248 = 0, i249 = 0, i250 = 0, i251 = 0, i252 = 0, i253 = 0, i254 = 0, i255 = 0, i256 = 0, i257 = 0, i258 = 0, i259 = 0, i260 = 0, i261 = 0, i262 = 0, i263 = 0, i264 = 0, i265 = 0, i266 = 0, i267 = 0, i268 = 0, i269 = 0, i270 = 0, i271 = 0, i272 = 0, i273 = 0, i274 = 0, i275 = 0, i276 = 0, i277 = 0, i278 = 0, i279 = 0, i280 = 0, i281 = 0, i282 = 0, i283 = 0, i284 = 0, i285 = 0, i286 = 0, i287 = 0, i288 = 0, i289 = 0, i290 = 0, i291 = 0, i292 = 0, i293 = 0, i294 = 0, i295 = 0, i296 = 0, i297 = 0, i298 = 0, i299 = 0, i300 = 0, i301 = 0, i302 = 0;
+ i5 = STACKTOP;
+ STACKTOP = STACKTOP + 296 | 0;
+ i6 = i5 | 0;
+ i7 = i5 + 16 | 0;
+ i8 = i5 + 32 | 0;
+ i9 = i5 + 56 | 0;
+ i10 = i5 + 96 | 0;
+ i11 = i5 + 136 | 0;
+ i12 = i5 + 176 | 0;
+ i13 = i5 + 216 | 0;
+ i14 = i5 + 256 | 0;
+ __ZN20btConvexHullInternal11getBtNormalEPNS_4FaceE(i7, i1, i2);
+ d15 = -0.0 - d3;
+ d3 = +HEAPF32[i7 >> 2] * d15;
+ d16 = +HEAPF32[i7 + 4 >> 2] * d15;
+ d17 = +HEAPF32[i7 + 8 >> 2] * d15;
+ i7 = i6 | 0;
+ HEAPF32[i7 >> 2] = d3;
+ i18 = i6 + 4 | 0;
+ HEAPF32[i18 >> 2] = d16;
+ i19 = i6 + 8 | 0;
+ HEAPF32[i19 >> 2] = d17;
+ HEAPF32[i6 + 12 >> 2] = 0.0;
+ d15 = +HEAPF32[i1 >> 2];
+ if (d15 > 0.0) {
+  HEAPF32[i7 >> 2] = d3 / d15;
+ }
+ d15 = +HEAPF32[i1 + 4 >> 2];
+ if (d15 > 0.0) {
+  HEAPF32[i18 >> 2] = d16 / d15;
+ }
+ d15 = +HEAPF32[i1 + 8 >> 2];
+ if (d15 > 0.0) {
+  HEAPF32[i19 >> 2] = d17 / d15;
+ }
+ i19 = ~~+HEAPF32[i6 + (HEAP32[i1 + 108 >> 2] << 2) >> 2];
+ i18 = ~~+HEAPF32[i6 + (HEAP32[i1 + 112 >> 2] << 2) >> 2];
+ i7 = ~~+HEAPF32[i6 + (HEAP32[i1 + 104 >> 2] << 2) >> 2];
+ if ((i18 | i19 | i7 | 0) == 0) {
+  i20 = 1;
+  STACKTOP = i5;
+  return i20 | 0;
+ }
+ i6 = i2 + 32 | 0;
+ i21 = HEAP32[i6 >> 2] | 0;
+ i22 = i2 + 52 | 0;
+ i23 = HEAP32[i22 >> 2] | 0;
+ i24 = Math_imul(i23, i21) | 0;
+ i25 = i2 + 36 | 0;
+ i26 = HEAP32[i25 >> 2] | 0;
+ i27 = i2 + 48 | 0;
+ i28 = HEAP32[i27 >> 2] | 0;
+ i29 = i24 - (Math_imul(i28, i26) | 0) | 0;
+ i24 = i29;
+ i30 = (i29 | 0) < 0 ? -1 : 0;
+ i29 = i2 + 44 | 0;
+ i31 = HEAP32[i29 >> 2] | 0;
+ i32 = Math_imul(i31, i26) | 0;
+ i26 = i2 + 28 | 0;
+ i33 = HEAP32[i26 >> 2] | 0;
+ i34 = i32 - (Math_imul(i33, i23) | 0) | 0;
+ i23 = i34;
+ i32 = (i34 | 0) < 0 ? -1 : 0;
+ i34 = Math_imul(i33, i28) | 0;
+ i28 = i34 - (Math_imul(i31, i21) | 0) | 0;
+ i21 = i28;
+ i31 = (i28 | 0) < 0 ? -1 : 0;
+ i28 = i8 | 0;
+ HEAP32[i28 >> 2] = i24;
+ HEAP32[i28 + 4 >> 2] = i30;
+ i28 = i8 + 8 | 0;
+ HEAP32[i28 >> 2] = i23;
+ HEAP32[i28 + 4 >> 2] = i32;
+ i28 = i8 + 16 | 0;
+ HEAP32[i28 >> 2] = i21;
+ HEAP32[i28 + 4 >> 2] = i31;
+ i28 = i2 + 12 | 0;
+ i34 = HEAP32[i28 >> 2] | 0;
+ i33 = ___muldi3(i34, (i34 | 0) < 0 ? -1 : 0, i24, i30) | 0;
+ i35 = tempRet0;
+ i36 = i2 + 16 | 0;
+ i37 = HEAP32[i36 >> 2] | 0;
+ i38 = ___muldi3(i37, (i37 | 0) < 0 ? -1 : 0, i23, i32) | 0;
+ i39 = _i64Add(i38, tempRet0, i33, i35) | 0;
+ i35 = tempRet0;
+ i33 = i2 + 20 | 0;
+ i38 = HEAP32[i33 >> 2] | 0;
+ i40 = ___muldi3(i38, (i38 | 0) < 0 ? -1 : 0, i21, i31) | 0;
+ i41 = _i64Add(i39, i35, i40, tempRet0) | 0;
+ i40 = tempRet0;
+ i35 = i34 + i19 | 0;
+ i19 = i37 + i18 | 0;
+ i18 = i38 + i7 | 0;
+ i7 = i35;
+ i38 = (i35 | 0) < 0 ? -1 : 0;
+ i37 = ___muldi3(i7, i38, i24, i30) | 0;
+ i30 = tempRet0;
+ i24 = i19;
+ i34 = (i19 | 0) < 0 ? -1 : 0;
+ i39 = ___muldi3(i24, i34, i23, i32) | 0;
+ i32 = _i64Add(i39, tempRet0, i37, i30) | 0;
+ i30 = tempRet0;
+ i37 = i18;
+ i39 = (i18 | 0) < 0 ? -1 : 0;
+ i23 = ___muldi3(i37, i39, i21, i31) | 0;
+ i31 = _i64Add(i32, i30, i23, tempRet0) | 0;
+ i23 = tempRet0;
+ if (!((i23 | 0) < (i40 | 0) | (i23 | 0) == (i40 | 0) & i31 >>> 0 < i41 >>> 0)) {
+  i20 = 0;
+  STACKTOP = i5;
+  return i20 | 0;
+ }
+ i41 = HEAP32[i2 + 4 >> 2] | 0;
+ i40 = HEAP32[i41 + 8 >> 2] | 0;
+ __ZNK20btConvexHullInternal6Vertex3dotERKNS_7Point64E(i9, i41, i8);
+ i41 = __ZNK20btConvexHullInternal11Rational1287compareEx(i9, i31, i23) | 0;
+ i30 = i9;
+ do {
+  if ((i41 | 0) > -1) {
+   i32 = i10;
+   i21 = i40;
+   i42 = i41;
+   i43 = i40;
+   while (1) {
+    __ZNK20btConvexHullInternal6Vertex3dotERKNS_7Point64E(i10, HEAP32[i43 + 12 >> 2] | 0, i8);
+    if ((__ZNK20btConvexHullInternal11Rational1287compareERKS0_(i10, i9) | 0) < 0) {
+     i44 = __ZNK20btConvexHullInternal11Rational1287compareEx(i10, i31, i23) | 0;
+     HEAP32[i30 >> 2] = HEAP32[i32 >> 2];
+     HEAP32[i30 + 4 >> 2] = HEAP32[i32 + 4 >> 2];
+     HEAP32[i30 + 8 >> 2] = HEAP32[i32 + 8 >> 2];
+     HEAP32[i30 + 12 >> 2] = HEAP32[i32 + 12 >> 2];
+     HEAP32[i30 + 16 >> 2] = HEAP32[i32 + 16 >> 2];
+     HEAP32[i30 + 20 >> 2] = HEAP32[i32 + 20 >> 2];
+     HEAP32[i30 + 24 >> 2] = HEAP32[i32 + 24 >> 2];
+     HEAP32[i30 + 28 >> 2] = HEAP32[i32 + 28 >> 2];
+     HEAP32[i30 + 32 >> 2] = HEAP32[i32 + 32 >> 2];
+     HEAP8[i30 + 36 | 0] = HEAP8[i32 + 36 | 0] | 0;
+     i45 = HEAP32[i43 + 8 >> 2] | 0;
+     if ((i44 | 0) < 0) {
+      break;
+     } else {
+      i46 = i45;
+      i47 = i44;
+      i48 = i45;
+     }
+    } else {
+     i46 = i21;
+     i47 = i42;
+     i48 = i43;
+    }
+    i44 = HEAP32[i48 + 4 >> 2] | 0;
+    if ((i44 | 0) == (i46 | 0)) {
+     i20 = 0;
+     i49 = 1612;
+     break;
+    } else {
+     i21 = i46;
+     i42 = i47;
+     i43 = i44;
+    }
+   }
+   if ((i49 | 0) == 1612) {
+    STACKTOP = i5;
+    return i20 | 0;
+   }
+   if ((i45 | 0) == 0) {
+    i20 = 0;
+   } else {
+    i50 = i45;
+    i51 = i42;
+    break;
+   }
+   STACKTOP = i5;
+   return i20 | 0;
+  } else {
+   i43 = i11;
+   i21 = i40;
+   i32 = i40;
+   while (1) {
+    __ZNK20btConvexHullInternal6Vertex3dotERKNS_7Point64E(i11, HEAP32[i32 + 12 >> 2] | 0, i8);
+    if ((__ZNK20btConvexHullInternal11Rational1287compareERKS0_(i11, i9) | 0) > 0) {
+     i52 = __ZNK20btConvexHullInternal11Rational1287compareEx(i11, i31, i23) | 0;
+     if ((i52 | 0) > -1) {
+      break;
+     }
+     HEAP32[i30 >> 2] = HEAP32[i43 >> 2];
+     HEAP32[i30 + 4 >> 2] = HEAP32[i43 + 4 >> 2];
+     HEAP32[i30 + 8 >> 2] = HEAP32[i43 + 8 >> 2];
+     HEAP32[i30 + 12 >> 2] = HEAP32[i43 + 12 >> 2];
+     HEAP32[i30 + 16 >> 2] = HEAP32[i43 + 16 >> 2];
+     HEAP32[i30 + 20 >> 2] = HEAP32[i43 + 20 >> 2];
+     HEAP32[i30 + 24 >> 2] = HEAP32[i43 + 24 >> 2];
+     HEAP32[i30 + 28 >> 2] = HEAP32[i43 + 28 >> 2];
+     HEAP32[i30 + 32 >> 2] = HEAP32[i43 + 32 >> 2];
+     HEAP8[i30 + 36 | 0] = HEAP8[i43 + 36 | 0] | 0;
+     i44 = HEAP32[i32 + 8 >> 2] | 0;
+     i53 = i44;
+     i54 = i44;
+    } else {
+     i53 = i21;
+     i54 = i32;
+    }
+    i44 = HEAP32[i54 + 4 >> 2] | 0;
+    if ((i44 | 0) == (i53 | 0)) {
+     i20 = 1;
+     i49 = 1615;
+     break;
+    } else {
+     i21 = i53;
+     i32 = i44;
+    }
+   }
+   if ((i49 | 0) == 1615) {
+    STACKTOP = i5;
+    return i20 | 0;
+   }
+   if ((i32 | 0) == 0) {
+    i20 = 1;
+   } else {
+    i50 = i32;
+    i51 = i52;
+    break;
+   }
+   STACKTOP = i5;
+   return i20 | 0;
+  }
+ } while (0);
+ L1672 : do {
+  if ((i51 | 0) == 0) {
+   i52 = i50 + 8 | 0;
+   i53 = HEAP32[HEAP32[i52 >> 2] >> 2] | 0;
+   while (1) {
+    __ZNK20btConvexHullInternal6Vertex3dotERKNS_7Point64E(i12, HEAP32[i53 + 12 >> 2] | 0, i8);
+    if ((__ZNK20btConvexHullInternal11Rational1287compareEx(i12, i31, i23) | 0) >= 1) {
+     break L1672;
+    }
+    i54 = HEAP32[i53 >> 2] | 0;
+    if ((i54 | 0) == (HEAP32[i52 >> 2] | 0)) {
+     i20 = 1;
+     break;
+    } else {
+     i53 = i54;
+    }
+   }
+   STACKTOP = i5;
+   return i20 | 0;
+  }
+ } while (0);
+ i12 = i1 + 32 | 0;
+ i53 = i4 + 4 | 0;
+ i52 = i4 + 8 | 0;
+ i32 = i4 + 12 | 0;
+ i54 = i4 + 16 | 0;
+ i4 = i1 + 56 | 0;
+ i30 = i1 + 116 | 0;
+ i11 = i1 + 48 | 0;
+ i9 = i1 + 100 | 0;
+ i40 = i1 + 120 | 0;
+ i45 = (i35 | 0) < 0;
+ i47 = _i64Subtract(0, 0, i7, i38) | 0;
+ i46 = tempRet0;
+ i48 = (i19 | 0) < 0;
+ i10 = _i64Subtract(0, 0, i24, i34) | 0;
+ i41 = tempRet0;
+ i21 = (i18 | 0) < 0;
+ i43 = _i64Subtract(0, 0, i37, i39) | 0;
+ i42 = tempRet0;
+ i44 = i50;
+ i50 = i51;
+ i51 = 0;
+ i55 = 0;
+ i56 = 0;
+ L1679 : while (1) {
+  i57 = (i50 | 0) == 0;
+  L1681 : do {
+   if (i57) {
+    i58 = HEAP32[HEAP32[i44 + 8 >> 2] >> 2] | 0;
+    i59 = i44;
+    i60 = i58;
+    while (1) {
+     __ZNK20btConvexHullInternal6Vertex3dotERKNS_7Point64E(i13, HEAP32[i60 + 12 >> 2] | 0, i8);
+     if ((__ZNK20btConvexHullInternal11Rational1287compareEx(i13, i31, i23) | 0) > -1) {
+      i61 = i59;
+      break L1681;
+     }
+     i62 = HEAP32[i60 >> 2] | 0;
+     if ((i62 | 0) == (i58 | 0)) {
+      i20 = 1;
+      i49 = 1618;
+      break L1679;
+     } else {
+      i59 = HEAP32[i60 + 8 >> 2] | 0;
+      i60 = i62;
+     }
+    }
+   } else {
+    i61 = i44;
+   }
+  } while (0);
+  if ((i51 | 0) == 0) {
+   i63 = i61;
+  } else {
+   if ((i61 | 0) == (i51 | 0)) {
+    break;
+   } else {
+    i63 = i51;
+   }
+  }
+  i60 = i61 + 8 | 0;
+  i59 = HEAP32[i60 >> 2] | 0;
+  do {
+   i59 = HEAP32[(HEAP32[i59 + 8 >> 2] | 0) + 4 >> 2] | 0;
+   i64 = i59 + 12 | 0;
+   __ZNK20btConvexHullInternal6Vertex3dotERKNS_7Point64E(i14, HEAP32[i64 >> 2] | 0, i8);
+   i65 = __ZNK20btConvexHullInternal11Rational1287compareEx(i14, i31, i23) | 0;
+  } while ((i65 | 0) <= -1);
+  if ((i65 | 0) > 0) {
+   i58 = HEAP32[i64 >> 2] | 0;
+   i62 = i59 + 8 | 0;
+   i66 = HEAP32[i62 >> 2] | 0;
+   i67 = i66 + 4 | 0;
+   i68 = HEAP32[i67 >> 2] | 0;
+   i69 = i58 + 8 | 0;
+   if ((i68 | 0) == (i66 | 0)) {
+    HEAP32[i69 >> 2] = 0;
+   } else {
+    HEAP32[i69 >> 2] = i68;
+    i68 = HEAP32[i67 >> 2] | 0;
+    i69 = i66 | 0;
+    i70 = HEAP32[i69 >> 2] | 0;
+    HEAP32[i68 >> 2] = i70;
+    HEAP32[i70 + 4 >> 2] = i68;
+    HEAP32[i69 >> 2] = i66;
+    HEAP32[i67 >> 2] = i66;
+   }
+   i67 = HEAP32[i59 + 16 >> 2] | 0;
+   i69 = HEAP32[i67 + 32 >> 2] | 0;
+   i68 = HEAP32[i67 + 52 >> 2] | 0;
+   i70 = Math_imul(i68, i69) | 0;
+   i71 = HEAP32[i67 + 36 >> 2] | 0;
+   i72 = HEAP32[i67 + 48 >> 2] | 0;
+   i73 = i70 - (Math_imul(i72, i71) | 0) | 0;
+   i70 = i73;
+   i74 = (i73 | 0) < 0 ? -1 : 0;
+   i73 = HEAP32[i67 + 44 >> 2] | 0;
+   i75 = Math_imul(i73, i71) | 0;
+   i71 = HEAP32[i67 + 28 >> 2] | 0;
+   i76 = i75 - (Math_imul(i71, i68) | 0) | 0;
+   i68 = i76;
+   i75 = (i76 | 0) < 0 ? -1 : 0;
+   i76 = Math_imul(i71, i72) | 0;
+   i72 = i76 - (Math_imul(i73, i69) | 0) | 0;
+   i69 = i72;
+   i73 = (i72 | 0) < 0 ? -1 : 0;
+   i72 = HEAP32[(HEAP32[i62 >> 2] | 0) + 16 >> 2] | 0;
+   i62 = HEAP32[i72 + 32 >> 2] | 0;
+   i76 = HEAP32[i72 + 52 >> 2] | 0;
+   i71 = Math_imul(i76, i62) | 0;
+   i77 = HEAP32[i72 + 36 >> 2] | 0;
+   i78 = HEAP32[i72 + 48 >> 2] | 0;
+   i79 = i71 - (Math_imul(i78, i77) | 0) | 0;
+   i71 = i79;
+   i80 = (i79 | 0) < 0 ? -1 : 0;
+   i79 = HEAP32[i72 + 44 >> 2] | 0;
+   i81 = Math_imul(i79, i77) | 0;
+   i77 = HEAP32[i72 + 28 >> 2] | 0;
+   i82 = i81 - (Math_imul(i77, i76) | 0) | 0;
+   i76 = i82;
+   i81 = (i82 | 0) < 0 ? -1 : 0;
+   i82 = Math_imul(i77, i78) | 0;
+   i78 = i82 - (Math_imul(i79, i62) | 0) | 0;
+   i62 = i78;
+   i79 = (i78 | 0) < 0 ? -1 : 0;
+   i78 = HEAP32[i26 >> 2] | 0;
+   i82 = i78;
+   i77 = (i78 | 0) < 0 ? -1 : 0;
+   i78 = ___muldi3(i82, i77, i70, i74) | 0;
+   i83 = tempRet0;
+   i84 = HEAP32[i6 >> 2] | 0;
+   i85 = i84;
+   i86 = (i84 | 0) < 0 ? -1 : 0;
+   i84 = ___muldi3(i85, i86, i68, i75) | 0;
+   i87 = _i64Add(i84, tempRet0, i78, i83) | 0;
+   i83 = tempRet0;
+   i78 = HEAP32[i25 >> 2] | 0;
+   i84 = i78;
+   i88 = (i78 | 0) < 0 ? -1 : 0;
+   i78 = ___muldi3(i84, i88, i69, i73) | 0;
+   i89 = _i64Add(i87, i83, i78, tempRet0) | 0;
+   i78 = tempRet0;
+   i83 = HEAP32[i29 >> 2] | 0;
+   i87 = i83;
+   i90 = (i83 | 0) < 0 ? -1 : 0;
+   i83 = ___muldi3(i87, i90, i70, i74) | 0;
+   i91 = tempRet0;
+   i92 = HEAP32[i27 >> 2] | 0;
+   i93 = i92;
+   i94 = (i92 | 0) < 0 ? -1 : 0;
+   i92 = ___muldi3(i93, i94, i68, i75) | 0;
+   i95 = _i64Add(i92, tempRet0, i83, i91) | 0;
+   i91 = tempRet0;
+   i83 = HEAP32[i22 >> 2] | 0;
+   i92 = i83;
+   i96 = (i83 | 0) < 0 ? -1 : 0;
+   i83 = ___muldi3(i92, i96, i69, i73) | 0;
+   i97 = _i64Add(i95, i91, i83, tempRet0) | 0;
+   i83 = tempRet0;
+   i91 = ___muldi3(i82, i77, i71, i80) | 0;
+   i77 = tempRet0;
+   i82 = ___muldi3(i85, i86, i76, i81) | 0;
+   i86 = _i64Add(i82, tempRet0, i91, i77) | 0;
+   i77 = tempRet0;
+   i91 = ___muldi3(i84, i88, i62, i79) | 0;
+   i88 = _i64Add(i86, i77, i91, tempRet0) | 0;
+   i91 = tempRet0;
+   i77 = ___muldi3(i87, i90, i71, i80) | 0;
+   i90 = tempRet0;
+   i87 = ___muldi3(i93, i94, i76, i81) | 0;
+   i94 = _i64Add(i87, tempRet0, i77, i90) | 0;
+   i90 = tempRet0;
+   i77 = ___muldi3(i92, i96, i62, i79) | 0;
+   i96 = _i64Add(i94, i90, i77, tempRet0) | 0;
+   i77 = tempRet0;
+   i90 = (HEAP32[i67 + 12 >> 2] | 0) - i35 | 0;
+   i94 = (HEAP32[i67 + 16 >> 2] | 0) - i19 | 0;
+   i92 = (HEAP32[i67 + 20 >> 2] | 0) - i18 | 0;
+   i67 = ___muldi3(i90, (i90 | 0) < 0 ? -1 : 0, i70, i74) | 0;
+   i74 = tempRet0;
+   i70 = ___muldi3(i94, (i94 | 0) < 0 ? -1 : 0, i68, i75) | 0;
+   i75 = _i64Add(i70, tempRet0, i67, i74) | 0;
+   i74 = tempRet0;
+   i67 = ___muldi3(i92, (i92 | 0) < 0 ? -1 : 0, i69, i73) | 0;
+   i73 = _i64Add(i75, i74, i67, tempRet0) | 0;
+   i67 = tempRet0;
+   i74 = (HEAP32[i72 + 12 >> 2] | 0) - i35 | 0;
+   i75 = (HEAP32[i72 + 16 >> 2] | 0) - i19 | 0;
+   i69 = (HEAP32[i72 + 20 >> 2] | 0) - i18 | 0;
+   i72 = ___muldi3(i74, (i74 | 0) < 0 ? -1 : 0, i71, i80) | 0;
+   i80 = tempRet0;
+   i71 = ___muldi3(i75, (i75 | 0) < 0 ? -1 : 0, i76, i81) | 0;
+   i81 = _i64Add(i71, tempRet0, i72, i80) | 0;
+   i80 = tempRet0;
+   i72 = ___muldi3(i69, (i69 | 0) < 0 ? -1 : 0, i62, i79) | 0;
+   i79 = _i64Add(i81, i80, i72, tempRet0) | 0;
+   i72 = tempRet0;
+   i80 = 0;
+   i81 = (i78 | 0) < (i80 | 0) | (i78 | 0) == (i80 | 0) & i89 >>> 0 < 0 >>> 0;
+   i80 = _i64Subtract(0, 0, i89, i78) | 0;
+   i62 = i81 ? tempRet0 : i78;
+   i78 = 0;
+   i69 = (i77 | 0) < (i78 | 0) | (i77 | 0) == (i78 | 0) & i96 >>> 0 < 0 >>> 0;
+   if (i69) {
+    i78 = _i64Subtract(0, 0, i96, i77) | 0;
+    i98 = i81 ^ 1;
+    i99 = tempRet0;
+    i100 = i78;
+   } else {
+    i98 = i81;
+    i99 = i77;
+    i100 = i96;
+   }
+   i78 = (i81 ? i80 : i89) | 0;
+   i89 = i62 & 0;
+   i80 = i100 | 0;
+   i71 = i99 & 0;
+   i76 = ___muldi3(i80, i71, i78, i89) | 0;
+   i75 = tempRet0;
+   i74 = i99;
+   i92 = 0;
+   i70 = ___muldi3(i74, i92, i78, i89) | 0;
+   i68 = tempRet0;
+   i94 = i62;
+   i62 = 0;
+   i90 = ___muldi3(i80, i71, i94, i62) | 0;
+   i71 = tempRet0;
+   i80 = ___muldi3(i74, i92, i94, i62) | 0;
+   i92 = tempRet0;
+   i74 = _i64Add(i70 | 0, i68 & 0, i90 | 0, i71 & 0) | 0;
+   i90 = tempRet0;
+   i70 = _i64Add(i68, 0, i80, i92) | 0;
+   i92 = _i64Add(i70, tempRet0, i71, 0) | 0;
+   i71 = tempRet0;
+   i70 = _llvm_uadd_with_overflow_i64(i76 | 0, i75 | 0, 0, i74 | 0) | 0;
+   i74 = i70;
+   i70 = tempRet0;
+   i75 = _i64Add(i92, i71, tempRet1 & 1, 0) | 0;
+   i71 = _i64Add(i75, tempRet0, i90, 0) | 0;
+   i90 = tempRet0;
+   if (i98) {
+    i75 = _i64Subtract(0, 0, i74, i70) | 0;
+    i92 = tempRet0;
+    i76 = _i64Add((i74 | 0) == 0 & (i70 | 0) == 0 & 1, 0, ~i71, ~i90) | 0;
+    i101 = i92;
+    i102 = i75;
+    i103 = tempRet0;
+    i104 = i76;
+   } else {
+    i101 = i70;
+    i102 = i74;
+    i103 = i90;
+    i104 = i71;
+   }
+   i71 = 0;
+   i90 = (i83 | 0) < (i71 | 0) | (i83 | 0) == (i71 | 0) & i97 >>> 0 < 0 >>> 0;
+   i71 = _i64Subtract(0, 0, i97, i83) | 0;
+   i74 = i90 ? tempRet0 : i83;
+   i83 = 0;
+   i70 = (i91 | 0) < (i83 | 0) | (i91 | 0) == (i83 | 0) & i88 >>> 0 < 0 >>> 0;
+   if (i70) {
+    i83 = _i64Subtract(0, 0, i88, i91) | 0;
+    i105 = i90 ^ 1;
+    i106 = tempRet0;
+    i107 = i83;
+   } else {
+    i105 = i90;
+    i106 = i91;
+    i107 = i88;
+   }
+   i83 = (i90 ? i71 : i97) | 0;
+   i97 = i74 & 0;
+   i71 = i107 | 0;
+   i76 = i106 & 0;
+   i75 = ___muldi3(i71, i76, i83, i97) | 0;
+   i92 = tempRet0;
+   i80 = i106;
+   i68 = 0;
+   i87 = ___muldi3(i80, i68, i83, i97) | 0;
+   i93 = tempRet0;
+   i86 = i74;
+   i74 = 0;
+   i84 = ___muldi3(i71, i76, i86, i74) | 0;
+   i76 = tempRet0;
+   i71 = ___muldi3(i80, i68, i86, i74) | 0;
+   i68 = tempRet0;
+   i80 = _i64Add(i87 | 0, i93 & 0, i84 | 0, i76 & 0) | 0;
+   i84 = tempRet0;
+   i87 = _i64Add(i93, 0, i71, i68) | 0;
+   i68 = _i64Add(i87, tempRet0, i76, 0) | 0;
+   i76 = tempRet0;
+   i87 = _llvm_uadd_with_overflow_i64(i75 | 0, i92 | 0, 0, i80 | 0) | 0;
+   i80 = i87;
+   i87 = tempRet0;
+   i92 = _i64Add(i68, i76, tempRet1 & 1, 0) | 0;
+   i76 = _i64Add(i92, tempRet0, i84, 0) | 0;
+   i84 = tempRet0;
+   if (i105) {
+    i92 = _i64Subtract(0, 0, i80, i87) | 0;
+    i68 = tempRet0;
+    i75 = _i64Add((i80 | 0) == 0 & (i87 | 0) == 0 & 1, 0, ~i76, ~i84) | 0;
+    i108 = i68;
+    i109 = i92;
+    i110 = tempRet0;
+    i111 = i75;
+   } else {
+    i108 = i87;
+    i109 = i80;
+    i110 = i84;
+    i111 = i76;
+   }
+   i76 = _i64Subtract(0, 0, i109, i108) | 0;
+   i84 = _llvm_uadd_with_overflow_i64(i102 | 0, i101 | 0, i76 | 0, tempRet0 | 0) | 0;
+   i76 = i84;
+   i84 = tempRet0;
+   i80 = tempRet1 & 1;
+   i87 = _i64Add(i104, i103, ~i111, ~i110) | 0;
+   i75 = _i64Add(i87, tempRet0, (i109 | 0) == 0 & (i108 | 0) == 0 & 1, 0) | 0;
+   i87 = _i64Add(i75, tempRet0, i80, 0) | 0;
+   i80 = tempRet0;
+   i75 = __ZN20btConvexHullInternal4PoolINS_6VertexEE9newObjectEv(i12) | 0;
+   HEAP32[i75 + 100 >> 2] = -1;
+   HEAP32[i75 + 104 >> 2] = -1;
+   i92 = HEAP32[i26 >> 2] | 0;
+   i68 = i92;
+   i71 = (i92 | 0) < 0 ? -1 : 0;
+   i92 = ___muldi3(i68, i71, i73, i67) | 0;
+   i93 = tempRet0;
+   i82 = 0;
+   i85 = (i93 | 0) < (i82 | 0) | (i93 | 0) == (i82 | 0) & i92 >>> 0 < 0 >>> 0;
+   i82 = _i64Subtract(0, 0, i92, i93) | 0;
+   i95 = i85 ? tempRet0 : i93;
+   if (i69) {
+    i93 = _i64Subtract(0, 0, i96, i77) | 0;
+    i112 = i85 ^ 1;
+    i113 = tempRet0;
+    i114 = i93;
+   } else {
+    i112 = i85;
+    i113 = i77;
+    i114 = i96;
+   }
+   i93 = (i85 ? i82 : i92) | 0;
+   i92 = i95 & 0;
+   i82 = i114 | 0;
+   i85 = i113 & 0;
+   i115 = ___muldi3(i82, i85, i93, i92) | 0;
+   i116 = tempRet0;
+   i117 = i113;
+   i118 = 0;
+   i119 = ___muldi3(i117, i118, i93, i92) | 0;
+   i92 = tempRet0;
+   i93 = i95;
+   i95 = 0;
+   i120 = ___muldi3(i82, i85, i93, i95) | 0;
+   i85 = tempRet0;
+   i82 = ___muldi3(i117, i118, i93, i95) | 0;
+   i95 = tempRet0;
+   i93 = _i64Add(i119 | 0, i92 & 0, i120 | 0, i85 & 0) | 0;
+   i120 = tempRet0;
+   i119 = _i64Add(i92, 0, i82, i95) | 0;
+   i95 = _i64Add(i119, tempRet0, i85, 0) | 0;
+   i85 = tempRet0;
+   i119 = _llvm_uadd_with_overflow_i64(i115 | 0, i116 | 0, 0, i93 | 0) | 0;
+   i93 = i119;
+   i119 = tempRet0;
+   i116 = _i64Add(i95, i85, tempRet1 & 1, 0) | 0;
+   i85 = _i64Add(i116, tempRet0, i120, 0) | 0;
+   i120 = tempRet0;
+   if (i112) {
+    i116 = _i64Subtract(0, 0, i93, i119) | 0;
+    i95 = tempRet0;
+    i115 = _i64Add((i93 | 0) == 0 & (i119 | 0) == 0 & 1, 0, ~i85, ~i120) | 0;
+    i121 = i95;
+    i122 = i116;
+    i123 = tempRet0;
+    i124 = i115;
+   } else {
+    i121 = i119;
+    i122 = i93;
+    i123 = i120;
+    i124 = i85;
+   }
+   i85 = ___muldi3(i68, i71, i79, i72) | 0;
+   i71 = tempRet0;
+   i68 = 0;
+   i120 = (i71 | 0) < (i68 | 0) | (i71 | 0) == (i68 | 0) & i85 >>> 0 < 0 >>> 0;
+   i68 = _i64Subtract(0, 0, i85, i71) | 0;
+   i93 = i120 ? tempRet0 : i71;
+   i71 = (i120 ? i68 : i85) | 0;
+   i85 = i93 & 0;
+   i68 = ___muldi3(i71, i85, i83, i97) | 0;
+   i119 = tempRet0;
+   i115 = ___muldi3(i71, i85, i86, i74) | 0;
+   i85 = tempRet0;
+   i71 = i93;
+   i93 = 0;
+   i116 = ___muldi3(i71, i93, i83, i97) | 0;
+   i95 = tempRet0;
+   i82 = ___muldi3(i71, i93, i86, i74) | 0;
+   i93 = tempRet0;
+   i71 = _i64Add(i115 | 0, i85 & 0, i116 | 0, i95 & 0) | 0;
+   i116 = tempRet0;
+   i115 = _llvm_uadd_with_overflow_i64(i68 | 0, i119 | 0, 0, i71 | 0) | 0;
+   i71 = i115;
+   i115 = tempRet0;
+   i119 = tempRet1 & 1;
+   i68 = _i64Add(i85, 0, i82, i93) | 0;
+   i93 = _i64Add(i68, tempRet0, i95, 0) | 0;
+   i95 = _i64Add(i93, tempRet0, i116, 0) | 0;
+   i116 = _i64Add(i95, tempRet0, i119, 0) | 0;
+   i119 = tempRet0;
+   if (i120 ^ i90) {
+    i120 = _i64Subtract(0, 0, i71, i115) | 0;
+    i95 = tempRet0;
+    i93 = _i64Add((i71 | 0) == 0 & (i115 | 0) == 0 & 1, 0, ~i116, ~i119) | 0;
+    i125 = i95;
+    i126 = i120;
+    i127 = tempRet0;
+    i128 = i93;
+   } else {
+    i125 = i115;
+    i126 = i71;
+    i127 = i119;
+    i128 = i116;
+   }
+   i116 = _i64Subtract(0, 0, i126, i125) | 0;
+   i119 = _llvm_uadd_with_overflow_i64(i122 | 0, i121 | 0, i116 | 0, tempRet0 | 0) | 0;
+   i116 = tempRet0;
+   i71 = tempRet1 & 1;
+   i115 = HEAP32[i29 >> 2] | 0;
+   i93 = i115;
+   i120 = (i115 | 0) < 0 ? -1 : 0;
+   i115 = ___muldi3(i93, i120, i79, i72) | 0;
+   i95 = tempRet0;
+   i68 = 0;
+   i82 = (i95 | 0) < (i68 | 0) | (i95 | 0) == (i68 | 0) & i115 >>> 0 < 0 >>> 0;
+   i68 = _i64Subtract(0, 0, i115, i95) | 0;
+   i85 = i82 ? tempRet0 : i95;
+   i95 = (i82 ? i68 : i115) | 0;
+   i115 = i85 & 0;
+   i68 = ___muldi3(i95, i115, i78, i89) | 0;
+   i92 = tempRet0;
+   i118 = ___muldi3(i95, i115, i94, i62) | 0;
+   i115 = tempRet0;
+   i95 = i85;
+   i85 = 0;
+   i117 = ___muldi3(i95, i85, i78, i89) | 0;
+   i129 = tempRet0;
+   i130 = ___muldi3(i95, i85, i94, i62) | 0;
+   i85 = tempRet0;
+   i95 = _i64Add(i118 | 0, i115 & 0, i117 | 0, i129 & 0) | 0;
+   i117 = tempRet0;
+   i118 = _llvm_uadd_with_overflow_i64(i68 | 0, i92 | 0, 0, i95 | 0) | 0;
+   i95 = i118;
+   i118 = tempRet0;
+   i92 = _i64Add(i130, i85, tempRet1 & 1, 0) | 0;
+   i85 = _i64Add(i92, tempRet0, i115, 0) | 0;
+   i115 = _i64Add(i85, tempRet0, i129, 0) | 0;
+   i129 = _i64Add(i115, tempRet0, i117, 0) | 0;
+   i117 = tempRet0;
+   if (i82 ^ i81) {
+    i82 = _i64Subtract(0, 0, i95, i118) | 0;
+    i115 = tempRet0;
+    i85 = _i64Add((i95 | 0) == 0 & (i118 | 0) == 0 & 1, 0, ~i129, ~i117) | 0;
+    i131 = i115;
+    i132 = i82;
+    i133 = tempRet0;
+    i134 = i85;
+   } else {
+    i131 = i118;
+    i132 = i95;
+    i133 = i117;
+    i134 = i129;
+   }
+   i129 = _llvm_uadd_with_overflow_i64(i119 | 0, i116 | 0, i132 | 0, i131 | 0) | 0;
+   i116 = tempRet0;
+   i119 = tempRet1 & 1;
+   i117 = ___muldi3(i93, i120, i73, i67) | 0;
+   i120 = tempRet0;
+   i93 = 0;
+   i95 = (i120 | 0) < (i93 | 0) | (i120 | 0) == (i93 | 0) & i117 >>> 0 < 0 >>> 0;
+   i93 = _i64Subtract(0, 0, i117, i120) | 0;
+   i118 = i95 ? tempRet0 : i120;
+   if (i70) {
+    i120 = _i64Subtract(0, 0, i88, i91) | 0;
+    i135 = i95 ^ 1;
+    i136 = tempRet0;
+    i137 = i120;
+   } else {
+    i135 = i95;
+    i136 = i91;
+    i137 = i88;
+   }
+   i120 = (i95 ? i93 : i117) | 0;
+   i117 = i118 & 0;
+   i93 = i137 | 0;
+   i95 = i136 & 0;
+   i85 = ___muldi3(i93, i95, i120, i117) | 0;
+   i82 = tempRet0;
+   i115 = i136;
+   i92 = 0;
+   i130 = ___muldi3(i115, i92, i120, i117) | 0;
+   i117 = tempRet0;
+   i120 = i118;
+   i118 = 0;
+   i68 = ___muldi3(i93, i95, i120, i118) | 0;
+   i95 = tempRet0;
+   i93 = ___muldi3(i115, i92, i120, i118) | 0;
+   i118 = tempRet0;
+   i120 = _i64Add(i130 | 0, i117 & 0, i68 | 0, i95 & 0) | 0;
+   i68 = tempRet0;
+   i130 = _i64Add(i117, 0, i93, i118) | 0;
+   i118 = _i64Add(i130, tempRet0, i95, 0) | 0;
+   i95 = tempRet0;
+   i130 = _llvm_uadd_with_overflow_i64(i85 | 0, i82 | 0, 0, i120 | 0) | 0;
+   i120 = i130;
+   i130 = tempRet0;
+   i82 = _i64Add(i118, i95, tempRet1 & 1, 0) | 0;
+   i95 = _i64Add(i82, tempRet0, i68, 0) | 0;
+   i68 = tempRet0;
+   if (i135) {
+    i82 = _i64Subtract(0, 0, i120, i130) | 0;
+    i118 = tempRet0;
+    i85 = _i64Add((i120 | 0) == 0 & (i130 | 0) == 0 & 1, 0, ~i95, ~i68) | 0;
+    i138 = i118;
+    i139 = i82;
+    i140 = tempRet0;
+    i141 = i85;
+   } else {
+    i138 = i130;
+    i139 = i120;
+    i140 = i68;
+    i141 = i95;
+   }
+   i95 = _i64Subtract(0, 0, i139, i138) | 0;
+   i68 = _llvm_uadd_with_overflow_i64(i129 | 0, i116 | 0, i95 | 0, tempRet0 | 0) | 0;
+   i95 = tempRet0;
+   i116 = tempRet1 & 1;
+   i129 = 0;
+   i120 = (i80 | 0) < (i129 | 0) | (i80 | 0) == (i129 | 0) & i87 >>> 0 < 0 >>> 0;
+   if (i120) {
+    i129 = _i64Subtract(0, 0, i76, i84) | 0;
+    i130 = tempRet0;
+    i85 = _i64Add((i76 | 0) == 0 & (i84 | 0) == 0 & 1, 0, ~i87, ~i80) | 0;
+    i142 = i130;
+    i143 = i129;
+    i144 = tempRet0;
+    i145 = i85;
+   } else {
+    i142 = i84;
+    i143 = i76;
+    i144 = i80;
+    i145 = i87;
+   }
+   i85 = i45 ? i47 : i7;
+   i129 = i45 ? i46 : i38;
+   i130 = i143 | 0;
+   i82 = i142 & 0;
+   i118 = i85 | 0;
+   i93 = i129 & 0;
+   i117 = ___muldi3(i118, i93, i130, i82) | 0;
+   i92 = tempRet0;
+   i115 = i129;
+   i146 = 0;
+   i147 = ___muldi3(i115, i146, i130, i82) | 0;
+   i82 = tempRet0;
+   i130 = i142;
+   i148 = 0;
+   i149 = ___muldi3(i118, i93, i130, i148) | 0;
+   i93 = tempRet0;
+   i118 = ___muldi3(i115, i146, i130, i148) | 0;
+   i148 = tempRet0;
+   i130 = _i64Add(i147 | 0, i82 & 0, i149 | 0, i93 & 0) | 0;
+   i149 = tempRet0;
+   i147 = _llvm_uadd_with_overflow_i64(i117 | 0, i92 | 0, 0, i130 | 0) | 0;
+   i130 = i147;
+   i147 = tempRet0;
+   i92 = tempRet1 & 1;
+   i117 = ___muldi3(i85, i129, i145, i144) | 0;
+   i129 = _i64Add(i118, i148, i117, tempRet0) | 0;
+   i117 = _i64Add(i129, tempRet0, i82, 0) | 0;
+   i82 = _i64Add(i117, tempRet0, i93, 0) | 0;
+   i93 = _i64Add(i82, tempRet0, i92, 0) | 0;
+   i92 = _i64Add(i93, tempRet0, i149, 0) | 0;
+   i149 = tempRet0;
+   if (i120 ^ i45) {
+    i93 = _i64Subtract(0, 0, i130, i147) | 0;
+    i82 = tempRet0;
+    i117 = _i64Add((i130 | 0) == 0 & (i147 | 0) == 0 & 1, 0, ~i92, ~i149) | 0;
+    i150 = i82;
+    i151 = i93;
+    i152 = tempRet0;
+    i153 = i117;
+   } else {
+    i150 = i147;
+    i151 = i130;
+    i152 = i149;
+    i153 = i92;
+   }
+   i92 = _llvm_uadd_with_overflow_i64(i68 | 0, i95 | 0, i151 | 0, i150 | 0) | 0;
+   i95 = tempRet0;
+   i68 = tempRet1 & 1;
+   i149 = _i64Add(i124, i123, ~i128, ~i127) | 0;
+   i130 = _i64Add(i149, tempRet0, (i126 | 0) == 0 & (i125 | 0) == 0 & 1, 0) | 0;
+   i149 = _i64Add(i130, tempRet0, i71, 0) | 0;
+   i71 = _i64Add(i149, tempRet0, i134, i133) | 0;
+   i149 = _i64Add(i71, tempRet0, i119, 0) | 0;
+   i119 = _i64Add(i149, tempRet0, ~i141, ~i140) | 0;
+   i149 = _i64Add(i119, tempRet0, (i139 | 0) == 0 & (i138 | 0) == 0 & 1, 0) | 0;
+   i119 = _i64Add(i149, tempRet0, i116, 0) | 0;
+   i116 = _i64Add(i119, tempRet0, i153, i152) | 0;
+   i119 = _i64Add(i116, tempRet0, i68, 0) | 0;
+   i68 = tempRet0;
+   i116 = HEAP32[i6 >> 2] | 0;
+   i149 = i116;
+   i71 = (i116 | 0) < 0 ? -1 : 0;
+   i116 = ___muldi3(i149, i71, i73, i67) | 0;
+   i130 = tempRet0;
+   i147 = 0;
+   i117 = (i130 | 0) < (i147 | 0) | (i130 | 0) == (i147 | 0) & i116 >>> 0 < 0 >>> 0;
+   i147 = _i64Subtract(0, 0, i116, i130) | 0;
+   i93 = i117 ? tempRet0 : i130;
+   if (i69) {
+    i130 = _i64Subtract(0, 0, i96, i77) | 0;
+    i154 = i117 ^ 1;
+    i155 = tempRet0;
+    i156 = i130;
+   } else {
+    i154 = i117;
+    i155 = i77;
+    i156 = i96;
+   }
+   i130 = (i117 ? i147 : i116) | 0;
+   i116 = i93 & 0;
+   i147 = i156 | 0;
+   i117 = i155 & 0;
+   i82 = ___muldi3(i147, i117, i130, i116) | 0;
+   i129 = tempRet0;
+   i148 = i155;
+   i118 = 0;
+   i85 = ___muldi3(i148, i118, i130, i116) | 0;
+   i116 = tempRet0;
+   i130 = i93;
+   i93 = 0;
+   i146 = ___muldi3(i147, i117, i130, i93) | 0;
+   i117 = tempRet0;
+   i147 = ___muldi3(i148, i118, i130, i93) | 0;
+   i93 = tempRet0;
+   i130 = _i64Add(i85 | 0, i116 & 0, i146 | 0, i117 & 0) | 0;
+   i146 = tempRet0;
+   i85 = _i64Add(i116, 0, i147, i93) | 0;
+   i93 = _i64Add(i85, tempRet0, i117, 0) | 0;
+   i117 = tempRet0;
+   i85 = _llvm_uadd_with_overflow_i64(i82 | 0, i129 | 0, 0, i130 | 0) | 0;
+   i130 = i85;
+   i85 = tempRet0;
+   i129 = _i64Add(i93, i117, tempRet1 & 1, 0) | 0;
+   i117 = _i64Add(i129, tempRet0, i146, 0) | 0;
+   i146 = tempRet0;
+   if (i154) {
+    i129 = _i64Subtract(0, 0, i130, i85) | 0;
+    i93 = tempRet0;
+    i82 = _i64Add((i130 | 0) == 0 & (i85 | 0) == 0 & 1, 0, ~i117, ~i146) | 0;
+    i157 = i93;
+    i158 = i129;
+    i159 = tempRet0;
+    i160 = i82;
+   } else {
+    i157 = i85;
+    i158 = i130;
+    i159 = i146;
+    i160 = i117;
+   }
+   i117 = ___muldi3(i149, i71, i79, i72) | 0;
+   i71 = tempRet0;
+   i149 = 0;
+   i146 = (i71 | 0) < (i149 | 0) | (i71 | 0) == (i149 | 0) & i117 >>> 0 < 0 >>> 0;
+   i149 = _i64Subtract(0, 0, i117, i71) | 0;
+   i130 = i146 ? tempRet0 : i71;
+   i71 = (i146 ? i149 : i117) | 0;
+   i117 = i130 & 0;
+   i149 = ___muldi3(i71, i117, i83, i97) | 0;
+   i85 = tempRet0;
+   i82 = ___muldi3(i71, i117, i86, i74) | 0;
+   i117 = tempRet0;
+   i71 = i130;
+   i130 = 0;
+   i129 = ___muldi3(i71, i130, i83, i97) | 0;
+   i93 = tempRet0;
+   i147 = ___muldi3(i71, i130, i86, i74) | 0;
+   i130 = tempRet0;
+   i71 = _i64Add(i82 | 0, i117 & 0, i129 | 0, i93 & 0) | 0;
+   i129 = tempRet0;
+   i82 = _llvm_uadd_with_overflow_i64(i149 | 0, i85 | 0, 0, i71 | 0) | 0;
+   i71 = i82;
+   i82 = tempRet0;
+   i85 = tempRet1 & 1;
+   i149 = _i64Add(i117, 0, i147, i130) | 0;
+   i130 = _i64Add(i149, tempRet0, i93, 0) | 0;
+   i93 = _i64Add(i130, tempRet0, i129, 0) | 0;
+   i129 = _i64Add(i93, tempRet0, i85, 0) | 0;
+   i85 = tempRet0;
+   if (i146 ^ i90) {
+    i146 = _i64Subtract(0, 0, i71, i82) | 0;
+    i93 = tempRet0;
+    i130 = _i64Add((i71 | 0) == 0 & (i82 | 0) == 0 & 1, 0, ~i129, ~i85) | 0;
+    i161 = i93;
+    i162 = i146;
+    i163 = tempRet0;
+    i164 = i130;
+   } else {
+    i161 = i82;
+    i162 = i71;
+    i163 = i85;
+    i164 = i129;
+   }
+   i129 = _i64Subtract(0, 0, i162, i161) | 0;
+   i85 = _llvm_uadd_with_overflow_i64(i158 | 0, i157 | 0, i129 | 0, tempRet0 | 0) | 0;
+   i129 = tempRet0;
+   i71 = tempRet1 & 1;
+   i82 = HEAP32[i27 >> 2] | 0;
+   i130 = i82;
+   i146 = (i82 | 0) < 0 ? -1 : 0;
+   i82 = ___muldi3(i130, i146, i79, i72) | 0;
+   i93 = tempRet0;
+   i149 = 0;
+   i147 = (i93 | 0) < (i149 | 0) | (i93 | 0) == (i149 | 0) & i82 >>> 0 < 0 >>> 0;
+   i149 = _i64Subtract(0, 0, i82, i93) | 0;
+   i117 = i147 ? tempRet0 : i93;
+   i93 = (i147 ? i149 : i82) | 0;
+   i82 = i117 & 0;
+   i149 = ___muldi3(i93, i82, i78, i89) | 0;
+   i116 = tempRet0;
+   i118 = ___muldi3(i93, i82, i94, i62) | 0;
+   i82 = tempRet0;
+   i93 = i117;
+   i117 = 0;
+   i148 = ___muldi3(i93, i117, i78, i89) | 0;
+   i115 = tempRet0;
+   i165 = ___muldi3(i93, i117, i94, i62) | 0;
+   i117 = tempRet0;
+   i93 = _i64Add(i118 | 0, i82 & 0, i148 | 0, i115 & 0) | 0;
+   i148 = tempRet0;
+   i118 = _llvm_uadd_with_overflow_i64(i149 | 0, i116 | 0, 0, i93 | 0) | 0;
+   i93 = i118;
+   i118 = tempRet0;
+   i116 = _i64Add(i165, i117, tempRet1 & 1, 0) | 0;
+   i117 = _i64Add(i116, tempRet0, i82, 0) | 0;
+   i82 = _i64Add(i117, tempRet0, i115, 0) | 0;
+   i115 = _i64Add(i82, tempRet0, i148, 0) | 0;
+   i148 = tempRet0;
+   if (i147 ^ i81) {
+    i147 = _i64Subtract(0, 0, i93, i118) | 0;
+    i82 = tempRet0;
+    i117 = _i64Add((i93 | 0) == 0 & (i118 | 0) == 0 & 1, 0, ~i115, ~i148) | 0;
+    i166 = i82;
+    i167 = i147;
+    i168 = tempRet0;
+    i169 = i117;
+   } else {
+    i166 = i118;
+    i167 = i93;
+    i168 = i148;
+    i169 = i115;
+   }
+   i115 = _llvm_uadd_with_overflow_i64(i85 | 0, i129 | 0, i167 | 0, i166 | 0) | 0;
+   i129 = tempRet0;
+   i85 = tempRet1 & 1;
+   i148 = ___muldi3(i130, i146, i73, i67) | 0;
+   i146 = tempRet0;
+   i130 = 0;
+   i93 = (i146 | 0) < (i130 | 0) | (i146 | 0) == (i130 | 0) & i148 >>> 0 < 0 >>> 0;
+   i130 = _i64Subtract(0, 0, i148, i146) | 0;
+   i118 = i93 ? tempRet0 : i146;
+   if (i70) {
+    i146 = _i64Subtract(0, 0, i88, i91) | 0;
+    i170 = i93 ^ 1;
+    i171 = tempRet0;
+    i172 = i146;
+   } else {
+    i170 = i93;
+    i171 = i91;
+    i172 = i88;
+   }
+   i146 = (i93 ? i130 : i148) | 0;
+   i148 = i118 & 0;
+   i130 = i172 | 0;
+   i93 = i171 & 0;
+   i117 = ___muldi3(i130, i93, i146, i148) | 0;
+   i147 = tempRet0;
+   i82 = i171;
+   i116 = 0;
+   i165 = ___muldi3(i82, i116, i146, i148) | 0;
+   i148 = tempRet0;
+   i146 = i118;
+   i118 = 0;
+   i149 = ___muldi3(i130, i93, i146, i118) | 0;
+   i93 = tempRet0;
+   i130 = ___muldi3(i82, i116, i146, i118) | 0;
+   i118 = tempRet0;
+   i146 = _i64Add(i165 | 0, i148 & 0, i149 | 0, i93 & 0) | 0;
+   i149 = tempRet0;
+   i165 = _i64Add(i148, 0, i130, i118) | 0;
+   i118 = _i64Add(i165, tempRet0, i93, 0) | 0;
+   i93 = tempRet0;
+   i165 = _llvm_uadd_with_overflow_i64(i117 | 0, i147 | 0, 0, i146 | 0) | 0;
+   i146 = i165;
+   i165 = tempRet0;
+   i147 = _i64Add(i118, i93, tempRet1 & 1, 0) | 0;
+   i93 = _i64Add(i147, tempRet0, i149, 0) | 0;
+   i149 = tempRet0;
+   if (i170) {
+    i147 = _i64Subtract(0, 0, i146, i165) | 0;
+    i118 = tempRet0;
+    i117 = _i64Add((i146 | 0) == 0 & (i165 | 0) == 0 & 1, 0, ~i93, ~i149) | 0;
+    i173 = i118;
+    i174 = i147;
+    i175 = tempRet0;
+    i176 = i117;
+   } else {
+    i173 = i165;
+    i174 = i146;
+    i175 = i149;
+    i176 = i93;
+   }
+   i93 = _i64Subtract(0, 0, i174, i173) | 0;
+   i149 = _llvm_uadd_with_overflow_i64(i115 | 0, i129 | 0, i93 | 0, tempRet0 | 0) | 0;
+   i93 = tempRet0;
+   i129 = tempRet1 & 1;
+   if (i120) {
+    i115 = _i64Subtract(0, 0, i76, i84) | 0;
+    i146 = tempRet0;
+    i165 = _i64Add((i76 | 0) == 0 & (i84 | 0) == 0 & 1, 0, ~i87, ~i80) | 0;
+    i177 = i146;
+    i178 = i115;
+    i179 = tempRet0;
+    i180 = i165;
+   } else {
+    i177 = i84;
+    i178 = i76;
+    i179 = i80;
+    i180 = i87;
+   }
+   i165 = i48 ? i10 : i24;
+   i115 = i48 ? i41 : i34;
+   i146 = i178 | 0;
+   i117 = i177 & 0;
+   i147 = i165 | 0;
+   i118 = i115 & 0;
+   i130 = ___muldi3(i147, i118, i146, i117) | 0;
+   i148 = tempRet0;
+   i116 = i115;
+   i82 = 0;
+   i181 = ___muldi3(i116, i82, i146, i117) | 0;
+   i117 = tempRet0;
+   i146 = i177;
+   i182 = 0;
+   i183 = ___muldi3(i147, i118, i146, i182) | 0;
+   i118 = tempRet0;
+   i147 = ___muldi3(i116, i82, i146, i182) | 0;
+   i182 = tempRet0;
+   i146 = _i64Add(i181 | 0, i117 & 0, i183 | 0, i118 & 0) | 0;
+   i183 = tempRet0;
+   i181 = _llvm_uadd_with_overflow_i64(i130 | 0, i148 | 0, 0, i146 | 0) | 0;
+   i146 = i181;
+   i181 = tempRet0;
+   i148 = tempRet1 & 1;
+   i130 = ___muldi3(i165, i115, i180, i179) | 0;
+   i115 = _i64Add(i147, i182, i130, tempRet0) | 0;
+   i130 = _i64Add(i115, tempRet0, i117, 0) | 0;
+   i117 = _i64Add(i130, tempRet0, i118, 0) | 0;
+   i118 = _i64Add(i117, tempRet0, i148, 0) | 0;
+   i148 = _i64Add(i118, tempRet0, i183, 0) | 0;
+   i183 = tempRet0;
+   if (i120 ^ i48) {
+    i118 = _i64Subtract(0, 0, i146, i181) | 0;
+    i117 = tempRet0;
+    i130 = _i64Add((i146 | 0) == 0 & (i181 | 0) == 0 & 1, 0, ~i148, ~i183) | 0;
+    i184 = i117;
+    i185 = i118;
+    i186 = tempRet0;
+    i187 = i130;
+   } else {
+    i184 = i181;
+    i185 = i146;
+    i186 = i183;
+    i187 = i148;
+   }
+   i148 = _llvm_uadd_with_overflow_i64(i149 | 0, i93 | 0, i185 | 0, i184 | 0) | 0;
+   i93 = tempRet0;
+   i149 = tempRet1 & 1;
+   i183 = _i64Add(i160, i159, ~i164, ~i163) | 0;
+   i146 = _i64Add(i183, tempRet0, (i162 | 0) == 0 & (i161 | 0) == 0 & 1, 0) | 0;
+   i183 = _i64Add(i146, tempRet0, i71, 0) | 0;
+   i71 = _i64Add(i183, tempRet0, i169, i168) | 0;
+   i183 = _i64Add(i71, tempRet0, i85, 0) | 0;
+   i85 = _i64Add(i183, tempRet0, ~i176, ~i175) | 0;
+   i183 = _i64Add(i85, tempRet0, (i174 | 0) == 0 & (i173 | 0) == 0 & 1, 0) | 0;
+   i85 = _i64Add(i183, tempRet0, i129, 0) | 0;
+   i129 = _i64Add(i85, tempRet0, i187, i186) | 0;
+   i85 = _i64Add(i129, tempRet0, i149, 0) | 0;
+   i149 = tempRet0;
+   i129 = HEAP32[i25 >> 2] | 0;
+   i183 = i129;
+   i71 = (i129 | 0) < 0 ? -1 : 0;
+   i129 = ___muldi3(i183, i71, i73, i67) | 0;
+   i146 = tempRet0;
+   i181 = 0;
+   i130 = (i146 | 0) < (i181 | 0) | (i146 | 0) == (i181 | 0) & i129 >>> 0 < 0 >>> 0;
+   i181 = _i64Subtract(0, 0, i129, i146) | 0;
+   i118 = i130 ? tempRet0 : i146;
+   if (i69) {
+    i69 = _i64Subtract(0, 0, i96, i77) | 0;
+    i188 = i130 ^ 1;
+    i189 = tempRet0;
+    i190 = i69;
+   } else {
+    i188 = i130;
+    i189 = i77;
+    i190 = i96;
+   }
+   i96 = (i130 ? i181 : i129) | 0;
+   i129 = i118 & 0;
+   i181 = i190 | 0;
+   i130 = i189 & 0;
+   i77 = ___muldi3(i181, i130, i96, i129) | 0;
+   i69 = tempRet0;
+   i146 = i189;
+   i117 = 0;
+   i115 = ___muldi3(i146, i117, i96, i129) | 0;
+   i129 = tempRet0;
+   i96 = i118;
+   i118 = 0;
+   i182 = ___muldi3(i181, i130, i96, i118) | 0;
+   i130 = tempRet0;
+   i181 = ___muldi3(i146, i117, i96, i118) | 0;
+   i118 = tempRet0;
+   i96 = _i64Add(i115 | 0, i129 & 0, i182 | 0, i130 & 0) | 0;
+   i182 = tempRet0;
+   i115 = _i64Add(i129, 0, i181, i118) | 0;
+   i118 = _i64Add(i115, tempRet0, i130, 0) | 0;
+   i130 = tempRet0;
+   i115 = _llvm_uadd_with_overflow_i64(i77 | 0, i69 | 0, 0, i96 | 0) | 0;
+   i96 = i115;
+   i115 = tempRet0;
+   i69 = _i64Add(i118, i130, tempRet1 & 1, 0) | 0;
+   i130 = _i64Add(i69, tempRet0, i182, 0) | 0;
+   i182 = tempRet0;
+   if (i188) {
+    i69 = _i64Subtract(0, 0, i96, i115) | 0;
+    i118 = tempRet0;
+    i77 = _i64Add((i96 | 0) == 0 & (i115 | 0) == 0 & 1, 0, ~i130, ~i182) | 0;
+    i191 = i118;
+    i192 = i69;
+    i193 = tempRet0;
+    i194 = i77;
+   } else {
+    i191 = i115;
+    i192 = i96;
+    i193 = i182;
+    i194 = i130;
+   }
+   i130 = ___muldi3(i183, i71, i79, i72) | 0;
+   i71 = tempRet0;
+   i183 = 0;
+   i182 = (i71 | 0) < (i183 | 0) | (i71 | 0) == (i183 | 0) & i130 >>> 0 < 0 >>> 0;
+   i183 = _i64Subtract(0, 0, i130, i71) | 0;
+   i96 = i182 ? tempRet0 : i71;
+   i71 = (i182 ? i183 : i130) | 0;
+   i130 = i96 & 0;
+   i183 = ___muldi3(i71, i130, i83, i97) | 0;
+   i115 = tempRet0;
+   i77 = ___muldi3(i71, i130, i86, i74) | 0;
+   i130 = tempRet0;
+   i71 = i96;
+   i96 = 0;
+   i69 = ___muldi3(i71, i96, i83, i97) | 0;
+   i97 = tempRet0;
+   i83 = ___muldi3(i71, i96, i86, i74) | 0;
+   i74 = tempRet0;
+   i86 = _i64Add(i77 | 0, i130 & 0, i69 | 0, i97 & 0) | 0;
+   i69 = tempRet0;
+   i77 = _llvm_uadd_with_overflow_i64(i183 | 0, i115 | 0, 0, i86 | 0) | 0;
+   i86 = i77;
+   i77 = tempRet0;
+   i115 = tempRet1 & 1;
+   i183 = _i64Add(i130, 0, i83, i74) | 0;
+   i74 = _i64Add(i183, tempRet0, i97, 0) | 0;
+   i97 = _i64Add(i74, tempRet0, i69, 0) | 0;
+   i69 = _i64Add(i97, tempRet0, i115, 0) | 0;
+   i115 = tempRet0;
+   if (i182 ^ i90) {
+    i90 = _i64Subtract(0, 0, i86, i77) | 0;
+    i182 = tempRet0;
+    i97 = _i64Add((i86 | 0) == 0 & (i77 | 0) == 0 & 1, 0, ~i69, ~i115) | 0;
+    i195 = i182;
+    i196 = i90;
+    i197 = tempRet0;
+    i198 = i97;
+   } else {
+    i195 = i77;
+    i196 = i86;
+    i197 = i115;
+    i198 = i69;
+   }
+   i69 = _i64Subtract(0, 0, i196, i195) | 0;
+   i115 = _llvm_uadd_with_overflow_i64(i192 | 0, i191 | 0, i69 | 0, tempRet0 | 0) | 0;
+   i69 = tempRet0;
+   i86 = tempRet1 & 1;
+   i77 = HEAP32[i22 >> 2] | 0;
+   i97 = i77;
+   i90 = (i77 | 0) < 0 ? -1 : 0;
+   i77 = ___muldi3(i97, i90, i79, i72) | 0;
+   i72 = tempRet0;
+   i79 = 0;
+   i182 = (i72 | 0) < (i79 | 0) | (i72 | 0) == (i79 | 0) & i77 >>> 0 < 0 >>> 0;
+   i79 = _i64Subtract(0, 0, i77, i72) | 0;
+   i74 = i182 ? tempRet0 : i72;
+   i72 = (i182 ? i79 : i77) | 0;
+   i77 = i74 & 0;
+   i79 = ___muldi3(i72, i77, i78, i89) | 0;
+   i183 = tempRet0;
+   i83 = ___muldi3(i72, i77, i94, i62) | 0;
+   i77 = tempRet0;
+   i72 = i74;
+   i74 = 0;
+   i130 = ___muldi3(i72, i74, i78, i89) | 0;
+   i89 = tempRet0;
+   i78 = ___muldi3(i72, i74, i94, i62) | 0;
+   i62 = tempRet0;
+   i94 = _i64Add(i83 | 0, i77 & 0, i130 | 0, i89 & 0) | 0;
+   i130 = tempRet0;
+   i83 = _llvm_uadd_with_overflow_i64(i79 | 0, i183 | 0, 0, i94 | 0) | 0;
+   i94 = i83;
+   i83 = tempRet0;
+   i183 = _i64Add(i78, i62, tempRet1 & 1, 0) | 0;
+   i62 = _i64Add(i183, tempRet0, i77, 0) | 0;
+   i77 = _i64Add(i62, tempRet0, i89, 0) | 0;
+   i89 = _i64Add(i77, tempRet0, i130, 0) | 0;
+   i130 = tempRet0;
+   if (i182 ^ i81) {
+    i81 = _i64Subtract(0, 0, i94, i83) | 0;
+    i182 = tempRet0;
+    i77 = _i64Add((i94 | 0) == 0 & (i83 | 0) == 0 & 1, 0, ~i89, ~i130) | 0;
+    i199 = i182;
+    i200 = i81;
+    i201 = tempRet0;
+    i202 = i77;
+   } else {
+    i199 = i83;
+    i200 = i94;
+    i201 = i130;
+    i202 = i89;
+   }
+   i89 = _llvm_uadd_with_overflow_i64(i115 | 0, i69 | 0, i200 | 0, i199 | 0) | 0;
+   i69 = tempRet0;
+   i115 = tempRet1 & 1;
+   i130 = ___muldi3(i97, i90, i73, i67) | 0;
+   i67 = tempRet0;
+   i73 = 0;
+   i90 = (i67 | 0) < (i73 | 0) | (i67 | 0) == (i73 | 0) & i130 >>> 0 < 0 >>> 0;
+   i73 = _i64Subtract(0, 0, i130, i67) | 0;
+   i97 = i90 ? tempRet0 : i67;
+   if (i70) {
+    i70 = _i64Subtract(0, 0, i88, i91) | 0;
+    i203 = i90 ^ 1;
+    i204 = tempRet0;
+    i205 = i70;
+   } else {
+    i203 = i90;
+    i204 = i91;
+    i205 = i88;
+   }
+   i88 = (i90 ? i73 : i130) | 0;
+   i130 = i97 & 0;
+   i73 = i205 | 0;
+   i90 = i204 & 0;
+   i91 = ___muldi3(i73, i90, i88, i130) | 0;
+   i70 = tempRet0;
+   i67 = i204;
+   i94 = 0;
+   i83 = ___muldi3(i67, i94, i88, i130) | 0;
+   i130 = tempRet0;
+   i88 = i97;
+   i97 = 0;
+   i77 = ___muldi3(i73, i90, i88, i97) | 0;
+   i90 = tempRet0;
+   i73 = ___muldi3(i67, i94, i88, i97) | 0;
+   i97 = tempRet0;
+   i88 = _i64Add(i83 | 0, i130 & 0, i77 | 0, i90 & 0) | 0;
+   i77 = tempRet0;
+   i83 = _i64Add(i130, 0, i73, i97) | 0;
+   i97 = _i64Add(i83, tempRet0, i90, 0) | 0;
+   i90 = tempRet0;
+   i83 = _llvm_uadd_with_overflow_i64(i91 | 0, i70 | 0, 0, i88 | 0) | 0;
+   i88 = i83;
+   i83 = tempRet0;
+   i70 = _i64Add(i97, i90, tempRet1 & 1, 0) | 0;
+   i90 = _i64Add(i70, tempRet0, i77, 0) | 0;
+   i77 = tempRet0;
+   if (i203) {
+    i70 = _i64Subtract(0, 0, i88, i83) | 0;
+    i97 = tempRet0;
+    i91 = _i64Add((i88 | 0) == 0 & (i83 | 0) == 0 & 1, 0, ~i90, ~i77) | 0;
+    i206 = i97;
+    i207 = i70;
+    i208 = tempRet0;
+    i209 = i91;
+   } else {
+    i206 = i83;
+    i207 = i88;
+    i208 = i77;
+    i209 = i90;
+   }
+   i90 = _i64Subtract(0, 0, i207, i206) | 0;
+   i77 = _llvm_uadd_with_overflow_i64(i89 | 0, i69 | 0, i90 | 0, tempRet0 | 0) | 0;
+   i90 = tempRet0;
+   i69 = tempRet1 & 1;
+   if (i120) {
+    i89 = _i64Subtract(0, 0, i76, i84) | 0;
+    i88 = tempRet0;
+    i83 = _i64Add((i76 | 0) == 0 & (i84 | 0) == 0 & 1, 0, ~i87, ~i80) | 0;
+    i210 = i88;
+    i211 = i89;
+    i212 = tempRet0;
+    i213 = i83;
+   } else {
+    i210 = i84;
+    i211 = i76;
+    i212 = i80;
+    i213 = i87;
+   }
+   i83 = i21 ? i43 : i37;
+   i89 = i21 ? i42 : i39;
+   i88 = i211 | 0;
+   i91 = i210 & 0;
+   i70 = i83 | 0;
+   i97 = i89 & 0;
+   i73 = ___muldi3(i70, i97, i88, i91) | 0;
+   i130 = tempRet0;
+   i94 = i89;
+   i67 = 0;
+   i81 = ___muldi3(i94, i67, i88, i91) | 0;
+   i91 = tempRet0;
+   i88 = i210;
+   i182 = 0;
+   i62 = ___muldi3(i70, i97, i88, i182) | 0;
+   i97 = tempRet0;
+   i70 = ___muldi3(i94, i67, i88, i182) | 0;
+   i182 = tempRet0;
+   i88 = _i64Add(i81 | 0, i91 & 0, i62 | 0, i97 & 0) | 0;
+   i62 = tempRet0;
+   i81 = _llvm_uadd_with_overflow_i64(i73 | 0, i130 | 0, 0, i88 | 0) | 0;
+   i88 = i81;
+   i81 = tempRet0;
+   i130 = tempRet1 & 1;
+   i73 = ___muldi3(i83, i89, i213, i212) | 0;
+   i89 = _i64Add(i70, i182, i73, tempRet0) | 0;
+   i73 = _i64Add(i89, tempRet0, i91, 0) | 0;
+   i91 = _i64Add(i73, tempRet0, i97, 0) | 0;
+   i97 = _i64Add(i91, tempRet0, i130, 0) | 0;
+   i130 = _i64Add(i97, tempRet0, i62, 0) | 0;
+   i62 = tempRet0;
+   if (i120 ^ i21) {
+    i120 = _i64Subtract(0, 0, i88, i81) | 0;
+    i97 = tempRet0;
+    i91 = _i64Add((i88 | 0) == 0 & (i81 | 0) == 0 & 1, 0, ~i130, ~i62) | 0;
+    i214 = i97;
+    i215 = i120;
+    i216 = tempRet0;
+    i217 = i91;
+   } else {
+    i214 = i81;
+    i215 = i88;
+    i216 = i62;
+    i217 = i130;
+   }
+   i130 = _llvm_uadd_with_overflow_i64(i77 | 0, i90 | 0, i215 | 0, i214 | 0) | 0;
+   i90 = tempRet0;
+   i77 = tempRet1 & 1;
+   i62 = _i64Add(i194, i193, ~i198, ~i197) | 0;
+   i88 = _i64Add(i62, tempRet0, (i196 | 0) == 0 & (i195 | 0) == 0 & 1, 0) | 0;
+   i62 = _i64Add(i88, tempRet0, i86, 0) | 0;
+   i86 = _i64Add(i62, tempRet0, i202, i201) | 0;
+   i62 = _i64Add(i86, tempRet0, i115, 0) | 0;
+   i115 = _i64Add(i62, tempRet0, ~i209, ~i208) | 0;
+   i62 = _i64Add(i115, tempRet0, (i207 | 0) == 0 & (i206 | 0) == 0 & 1, 0) | 0;
+   i115 = _i64Add(i62, tempRet0, i69, 0) | 0;
+   i69 = _i64Add(i115, tempRet0, i217, i216) | 0;
+   i115 = _i64Add(i69, tempRet0, i77, 0) | 0;
+   i77 = i75 + 24 | 0;
+   HEAP32[i77 >> 2] = i92;
+   HEAP32[i77 + 4 >> 2] = i95;
+   i95 = i75 + 32 | 0;
+   HEAP32[i95 >> 2] = i119;
+   HEAP32[i95 + 4 >> 2] = i68;
+   i68 = i75 + 40 | 0;
+   HEAP32[i68 >> 2] = i148;
+   HEAP32[i68 + 4 >> 2] = i93;
+   i93 = i75 + 48 | 0;
+   HEAP32[i93 >> 2] = i85;
+   HEAP32[i93 + 4 >> 2] = i149;
+   i149 = i75 + 56 | 0;
+   HEAP32[i149 >> 2] = i130;
+   HEAP32[i149 + 4 >> 2] = i90;
+   i90 = i75 + 64 | 0;
+   HEAP32[i90 >> 2] = i115;
+   HEAP32[i90 + 4 >> 2] = tempRet0;
+   i90 = i75 + 72 | 0;
+   i115 = i75 + 72 | 0;
+   HEAP32[i115 >> 2] = i76;
+   HEAP32[i115 + 4 >> 2] = i84;
+   i84 = i75 + 80 | 0;
+   HEAP32[i84 >> 2] = i87;
+   HEAP32[i84 + 4 >> 2] = i80;
+   d15 = +__ZNK20btConvexHullInternal6Int1288toScalarEv(i75 + 24 | 0);
+   HEAP32[i75 + 88 >> 2] = ~~(d15 / +__ZNK20btConvexHullInternal6Int1288toScalarEv(i90));
+   d15 = +__ZNK20btConvexHullInternal6Int1288toScalarEv(i75 + 40 | 0);
+   HEAP32[i75 + 92 >> 2] = ~~(d15 / +__ZNK20btConvexHullInternal6Int1288toScalarEv(i90));
+   d15 = +__ZNK20btConvexHullInternal6Int1288toScalarEv(i75 + 56 | 0);
+   HEAP32[i75 + 96 >> 2] = ~~(d15 / +__ZNK20btConvexHullInternal6Int1288toScalarEv(i90));
+   HEAP32[i64 >> 2] = i75;
+   HEAP32[i75 + 8 >> 2] = i66;
+   i66 = HEAP32[i53 >> 2] | 0;
+   i90 = HEAP32[i52 >> 2] | 0;
+   do {
+    if ((i66 | 0) == (i90 | 0)) {
+     i80 = (i66 | 0) == 0 ? 1 : i66 << 1;
+     if ((i66 | 0) >= (i80 | 0)) {
+      i218 = i66;
+      i219 = i66;
+      break;
+     }
+     if ((i80 | 0) == 0) {
+      i220 = 0;
+      i221 = i66;
+     } else {
+      i84 = __Z22btAlignedAllocInternalji(i80 << 2, 16) | 0;
+      i220 = i84;
+      i221 = HEAP32[i53 >> 2] | 0;
+     }
+     if ((i221 | 0) > 0) {
+      i84 = 0;
+      do {
+       i87 = i220 + (i84 << 2) | 0;
+       if ((i87 | 0) != 0) {
+        HEAP32[i87 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i84 << 2) >> 2];
+       }
+       i84 = i84 + 1 | 0;
+      } while ((i84 | 0) < (i221 | 0));
+     }
+     i84 = HEAP32[i32 >> 2] | 0;
+     if ((i84 | 0) == 0) {
+      i222 = i221;
+     } else {
+      if ((HEAP8[i54] | 0) == 0) {
+       i223 = i221;
+      } else {
+       __Z21btAlignedFreeInternalPv(i84);
+       i223 = HEAP32[i53 >> 2] | 0;
+      }
+      HEAP32[i32 >> 2] = 0;
+      i222 = i223;
+     }
+     HEAP8[i54] = 1;
+     HEAP32[i32 >> 2] = i220;
+     HEAP32[i52 >> 2] = i80;
+     i218 = i222;
+     i219 = i80;
+    } else {
+     i218 = i66;
+     i219 = i90;
+    }
+   } while (0);
+   i90 = (HEAP32[i32 >> 2] | 0) + (i218 << 2) | 0;
+   if ((i90 | 0) != 0) {
+    HEAP32[i90 >> 2] = i75;
+   }
+   i90 = i218 + 1 | 0;
+   HEAP32[i53 >> 2] = i90;
+   do {
+    if ((i90 | 0) == (i219 | 0)) {
+     i66 = (i219 | 0) == 0 ? 1 : i219 << 1;
+     if ((i219 | 0) >= (i66 | 0)) {
+      i224 = i219;
+      i225 = i219;
+      break;
+     }
+     if ((i66 | 0) == 0) {
+      i226 = 0;
+      i227 = i219;
+     } else {
+      i84 = __Z22btAlignedAllocInternalji(i66 << 2, 16) | 0;
+      i226 = i84;
+      i227 = HEAP32[i53 >> 2] | 0;
+     }
+     if ((i227 | 0) > 0) {
+      i84 = 0;
+      do {
+       i87 = i226 + (i84 << 2) | 0;
+       if ((i87 | 0) != 0) {
+        HEAP32[i87 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i84 << 2) >> 2];
+       }
+       i84 = i84 + 1 | 0;
+      } while ((i84 | 0) < (i227 | 0));
+     }
+     i84 = HEAP32[i32 >> 2] | 0;
+     if ((i84 | 0) == 0) {
+      i228 = i227;
+     } else {
+      if ((HEAP8[i54] | 0) == 0) {
+       i229 = i227;
+      } else {
+       __Z21btAlignedFreeInternalPv(i84);
+       i229 = HEAP32[i53 >> 2] | 0;
+      }
+      HEAP32[i32 >> 2] = 0;
+      i228 = i229;
+     }
+     HEAP8[i54] = 1;
+     HEAP32[i32 >> 2] = i226;
+     HEAP32[i52 >> 2] = i66;
+     i224 = i228;
+     i225 = i66;
+    } else {
+     i224 = i90;
+     i225 = i219;
+    }
+   } while (0);
+   i90 = (HEAP32[i32 >> 2] | 0) + (i224 << 2) | 0;
+   if ((i90 | 0) != 0) {
+    HEAP32[i90 >> 2] = i58;
+   }
+   i90 = i224 + 1 | 0;
+   HEAP32[i53 >> 2] = i90;
+   do {
+    if ((i90 | 0) == (i225 | 0)) {
+     i75 = (i225 | 0) == 0 ? 1 : i225 << 1;
+     if ((i225 | 0) >= (i75 | 0)) {
+      i230 = i225;
+      break;
+     }
+     if ((i75 | 0) == 0) {
+      i231 = 0;
+      i232 = i225;
+     } else {
+      i84 = __Z22btAlignedAllocInternalji(i75 << 2, 16) | 0;
+      i231 = i84;
+      i232 = HEAP32[i53 >> 2] | 0;
+     }
+     if ((i232 | 0) > 0) {
+      i84 = 0;
+      do {
+       i80 = i231 + (i84 << 2) | 0;
+       if ((i80 | 0) != 0) {
+        HEAP32[i80 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i84 << 2) >> 2];
+       }
+       i84 = i84 + 1 | 0;
+      } while ((i84 | 0) < (i232 | 0));
+     }
+     i84 = HEAP32[i32 >> 2] | 0;
+     if ((i84 | 0) == 0) {
+      i233 = i232;
+     } else {
+      if ((HEAP8[i54] | 0) == 0) {
+       i234 = i232;
+      } else {
+       __Z21btAlignedFreeInternalPv(i84);
+       i234 = HEAP32[i53 >> 2] | 0;
+      }
+      HEAP32[i32 >> 2] = 0;
+      i233 = i234;
+     }
+     HEAP8[i54] = 1;
+     HEAP32[i32 >> 2] = i231;
+     HEAP32[i52 >> 2] = i75;
+     i230 = i233;
+    } else {
+     i230 = i90;
+    }
+   } while (0);
+   i90 = (HEAP32[i32 >> 2] | 0) + (i230 << 2) | 0;
+   if ((i90 | 0) != 0) {
+    HEAP32[i90 >> 2] = 0;
+   }
+   HEAP32[i53 >> 2] = i230 + 1;
+  }
+  i90 = (i65 | 0) == 0;
+  if ((i65 | i50 | 0) == 0) {
+   i58 = HEAP32[HEAP32[i60 >> 2] >> 2] | 0;
+   i84 = HEAP32[i64 >> 2] | 0;
+   if ((HEAP32[i58 + 12 >> 2] | 0) == (i84 | 0)) {
+    i235 = i58;
+   } else {
+    i236 = i84;
+    i49 = 1401;
+   }
+  } else {
+   i236 = HEAP32[i64 >> 2] | 0;
+   i49 = 1401;
+  }
+  if ((i49 | 0) == 1401) {
+   i49 = 0;
+   i84 = HEAP32[i61 + 12 >> 2] | 0;
+   i58 = __ZN20btConvexHullInternal4PoolINS_4EdgeEE9newObjectEv(i11) | 0;
+   i66 = __ZN20btConvexHullInternal4PoolINS_4EdgeEE9newObjectEv(i11) | 0;
+   i80 = i58 + 8 | 0;
+   HEAP32[i80 >> 2] = i66;
+   HEAP32[i66 + 8 >> 2] = i58;
+   HEAP32[i58 + 20 >> 2] = HEAP32[i9 >> 2];
+   HEAP32[i66 + 20 >> 2] = HEAP32[i9 >> 2];
+   HEAP32[i58 + 12 >> 2] = i236;
+   HEAP32[i66 + 12 >> 2] = i84;
+   HEAP32[i58 + 16 >> 2] = 0;
+   HEAP32[i66 + 16 >> 2] = 0;
+   i66 = (HEAP32[i30 >> 2] | 0) + 1 | 0;
+   HEAP32[i30 >> 2] = i66;
+   if ((i66 | 0) > (HEAP32[i40 >> 2] | 0)) {
+    HEAP32[i40 >> 2] = i66;
+   }
+   if (i57) {
+    i66 = HEAP32[HEAP32[i60 >> 2] >> 2] | 0;
+    HEAP32[i58 >> 2] = i66;
+    HEAP32[i66 + 4 >> 2] = i58;
+    i49 = 1406;
+   } else {
+    if ((i55 | 0) != 0) {
+     i49 = 1406;
+    }
+   }
+   if ((i49 | 0) == 1406) {
+    i49 = 0;
+    i66 = HEAP32[i60 >> 2] | 0;
+    HEAP32[i66 >> 2] = i58;
+    HEAP32[i58 + 4 >> 2] = i66;
+   }
+   i66 = i59 + 8 | 0;
+   if (i90) {
+    i90 = HEAP32[(HEAP32[i66 >> 2] | 0) + 4 >> 2] | 0;
+    i84 = HEAP32[i80 >> 2] | 0;
+    HEAP32[i90 >> 2] = i84;
+    HEAP32[i84 + 4 >> 2] = i90;
+   }
+   i90 = HEAP32[i80 >> 2] | 0;
+   i80 = HEAP32[i66 >> 2] | 0;
+   HEAP32[i90 >> 2] = i80;
+   HEAP32[i80 + 4 >> 2] = i90;
+   i235 = i58;
+  }
+  do {
+   if ((i55 | 0) != 0) {
+    i58 = i55 + 8 | 0;
+    i90 = HEAP32[i58 >> 2] | 0;
+    if ((i50 | 0) > 0) {
+     HEAP32[i235 >> 2] = i90;
+     HEAP32[i90 + 4 >> 2] = i235;
+     break;
+    }
+    if ((i235 | 0) == (i90 | 0)) {
+     break;
+    }
+    i90 = i55 + 12 | 0;
+    i80 = HEAP32[i53 >> 2] | 0;
+    i66 = HEAP32[i52 >> 2] | 0;
+    do {
+     if ((i80 | 0) == (i66 | 0)) {
+      i84 = (i80 | 0) == 0 ? 1 : i80 << 1;
+      if ((i80 | 0) >= (i84 | 0)) {
+       i237 = i80;
+       i238 = i80;
+       break;
+      }
+      if ((i84 | 0) == 0) {
+       i239 = 0;
+       i240 = i80;
+      } else {
+       i87 = __Z22btAlignedAllocInternalji(i84 << 2, 16) | 0;
+       i239 = i87;
+       i240 = HEAP32[i53 >> 2] | 0;
+      }
+      if ((i240 | 0) > 0) {
+       i87 = 0;
+       do {
+        i115 = i239 + (i87 << 2) | 0;
+        if ((i115 | 0) != 0) {
+         HEAP32[i115 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i87 << 2) >> 2];
+        }
+        i87 = i87 + 1 | 0;
+       } while ((i87 | 0) < (i240 | 0));
+      }
+      i87 = HEAP32[i32 >> 2] | 0;
+      if ((i87 | 0) == 0) {
+       i241 = i240;
+      } else {
+       if ((HEAP8[i54] | 0) == 0) {
+        i242 = i240;
+       } else {
+        __Z21btAlignedFreeInternalPv(i87);
+        i242 = HEAP32[i53 >> 2] | 0;
+       }
+       HEAP32[i32 >> 2] = 0;
+       i241 = i242;
+      }
+      HEAP8[i54] = 1;
+      HEAP32[i32 >> 2] = i239;
+      HEAP32[i52 >> 2] = i84;
+      i237 = i241;
+      i238 = i84;
+     } else {
+      i237 = i80;
+      i238 = i66;
+     }
+    } while (0);
+    i66 = (HEAP32[i32 >> 2] | 0) + (i237 << 2) | 0;
+    if ((i66 | 0) != 0) {
+     HEAP32[i66 >> 2] = HEAP32[i90 >> 2];
+    }
+    i66 = i237 + 1 | 0;
+    HEAP32[i53 >> 2] = i66;
+    i80 = i235 | 0;
+    i75 = HEAP32[i80 >> 2] | 0;
+    if ((i75 | 0) == (HEAP32[i58 >> 2] | 0)) {
+     i243 = i66;
+     i244 = i238;
+    } else {
+     i66 = i75;
+     while (1) {
+      i75 = i66 + 12 | 0;
+      i87 = HEAP32[i75 >> 2] | 0;
+      i115 = i66 | 0;
+      i76 = HEAP32[i115 >> 2] | 0;
+      i149 = HEAP32[i66 + 8 >> 2] | 0;
+      if ((i76 | 0) == (i66 | 0)) {
+       HEAP32[(HEAP32[i149 + 12 >> 2] | 0) + 8 >> 2] = 0;
+      } else {
+       i130 = i66 + 4 | 0;
+       HEAP32[i76 + 4 >> 2] = HEAP32[i130 >> 2];
+       HEAP32[HEAP32[i130 >> 2] >> 2] = i76;
+       HEAP32[(HEAP32[i149 + 12 >> 2] | 0) + 8 >> 2] = i76;
+      }
+      i76 = i149 | 0;
+      i130 = HEAP32[i76 >> 2] | 0;
+      if ((i130 | 0) == (i149 | 0)) {
+       HEAP32[(HEAP32[i75 >> 2] | 0) + 8 >> 2] = 0;
+      } else {
+       i93 = i149 + 4 | 0;
+       HEAP32[i130 + 4 >> 2] = HEAP32[i93 >> 2];
+       HEAP32[HEAP32[i93 >> 2] >> 2] = i130;
+       HEAP32[(HEAP32[i75 >> 2] | 0) + 8 >> 2] = i130;
+      }
+      _memset(i66 | 0, 0, 20);
+      HEAP32[i115 >> 2] = HEAP32[i4 >> 2];
+      HEAP32[i4 >> 2] = i66;
+      _memset(i149 | 0, 0, 20);
+      HEAP32[i76 >> 2] = HEAP32[i4 >> 2];
+      HEAP32[i4 >> 2] = i149;
+      HEAP32[i30 >> 2] = (HEAP32[i30 >> 2] | 0) - 1;
+      i149 = HEAP32[i53 >> 2] | 0;
+      i76 = HEAP32[i52 >> 2] | 0;
+      do {
+       if ((i149 | 0) == (i76 | 0)) {
+        i115 = (i149 | 0) == 0 ? 1 : i149 << 1;
+        if ((i149 | 0) >= (i115 | 0)) {
+         i245 = i149;
+         i246 = i149;
+         break;
+        }
+        if ((i115 | 0) == 0) {
+         i247 = 0;
+         i248 = i149;
+        } else {
+         i130 = __Z22btAlignedAllocInternalji(i115 << 2, 16) | 0;
+         i247 = i130;
+         i248 = HEAP32[i53 >> 2] | 0;
+        }
+        if ((i248 | 0) > 0) {
+         i130 = 0;
+         do {
+          i75 = i247 + (i130 << 2) | 0;
+          if ((i75 | 0) != 0) {
+           HEAP32[i75 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i130 << 2) >> 2];
+          }
+          i130 = i130 + 1 | 0;
+         } while ((i130 | 0) < (i248 | 0));
+        }
+        i130 = HEAP32[i32 >> 2] | 0;
+        if ((i130 | 0) == 0) {
+         i249 = i248;
+        } else {
+         if ((HEAP8[i54] | 0) == 0) {
+          i250 = i248;
+         } else {
+          __Z21btAlignedFreeInternalPv(i130);
+          i250 = HEAP32[i53 >> 2] | 0;
+         }
+         HEAP32[i32 >> 2] = 0;
+         i249 = i250;
+        }
+        HEAP8[i54] = 1;
+        HEAP32[i32 >> 2] = i247;
+        HEAP32[i52 >> 2] = i115;
+        i245 = i249;
+        i246 = i115;
+       } else {
+        i245 = i149;
+        i246 = i76;
+       }
+      } while (0);
+      i76 = (HEAP32[i32 >> 2] | 0) + (i245 << 2) | 0;
+      if ((i76 | 0) != 0) {
+       HEAP32[i76 >> 2] = i87;
+      }
+      i76 = i245 + 1 | 0;
+      HEAP32[i53 >> 2] = i76;
+      i149 = HEAP32[i80 >> 2] | 0;
+      if ((i149 | 0) == (HEAP32[i58 >> 2] | 0)) {
+       i243 = i76;
+       i244 = i246;
+       break;
+      } else {
+       i66 = i149;
+      }
+     }
+    }
+    do {
+     if ((i243 | 0) == (i244 | 0)) {
+      i66 = (i244 | 0) == 0 ? 1 : i244 << 1;
+      if ((i244 | 0) >= (i66 | 0)) {
+       i251 = i244;
+       break;
+      }
+      if ((i66 | 0) == 0) {
+       i252 = 0;
+       i253 = i244;
+      } else {
+       i58 = __Z22btAlignedAllocInternalji(i66 << 2, 16) | 0;
+       i252 = i58;
+       i253 = HEAP32[i53 >> 2] | 0;
+      }
+      if ((i253 | 0) > 0) {
+       i58 = 0;
+       do {
+        i80 = i252 + (i58 << 2) | 0;
+        if ((i80 | 0) != 0) {
+         HEAP32[i80 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i58 << 2) >> 2];
+        }
+        i58 = i58 + 1 | 0;
+       } while ((i58 | 0) < (i253 | 0));
+      }
+      i58 = HEAP32[i32 >> 2] | 0;
+      if ((i58 | 0) == 0) {
+       i254 = i253;
+      } else {
+       if ((HEAP8[i54] | 0) == 0) {
+        i255 = i253;
+       } else {
+        __Z21btAlignedFreeInternalPv(i58);
+        i255 = HEAP32[i53 >> 2] | 0;
+       }
+       HEAP32[i32 >> 2] = 0;
+       i254 = i255;
+      }
+      HEAP8[i54] = 1;
+      HEAP32[i32 >> 2] = i252;
+      HEAP32[i52 >> 2] = i66;
+      i251 = i254;
+     } else {
+      i251 = i243;
+     }
+    } while (0);
+    i58 = (HEAP32[i32 >> 2] | 0) + (i251 << 2) | 0;
+    if ((i58 | 0) != 0) {
+     HEAP32[i58 >> 2] = 0;
+    }
+    HEAP32[i53 >> 2] = i251 + 1;
+   }
+  } while (0);
+  HEAP32[i235 + 16 >> 2] = i2;
+  HEAP32[(HEAP32[i235 + 8 >> 2] | 0) + 16 >> 2] = HEAP32[i59 + 16 >> 2];
+  i44 = i59;
+  i50 = i65;
+  i51 = i63;
+  i55 = i235;
+  i56 = (i56 | 0) == 0 ? i235 : i56;
+ }
+ if ((i49 | 0) == 1618) {
+  STACKTOP = i5;
+  return i20 | 0;
+ }
+ do {
+  if ((i50 | 0) > 0) {
+   HEAP32[(HEAP32[i56 + 8 >> 2] | 0) + 12 >> 2] = HEAP32[i55 + 12 >> 2];
+   i235 = HEAP32[i51 + 8 >> 2] | 0;
+   HEAP32[i235 >> 2] = i56;
+   HEAP32[i56 + 4 >> 2] = i235;
+   i235 = HEAP32[i55 + 8 >> 2] | 0;
+   HEAP32[i56 >> 2] = i235;
+   HEAP32[i235 + 4 >> 2] = i56;
+  } else {
+   i235 = i55 + 8 | 0;
+   if ((i56 | 0) == (HEAP32[i235 >> 2] | 0)) {
+    break;
+   }
+   i63 = i55 + 12 | 0;
+   i65 = HEAP32[i53 >> 2] | 0;
+   i44 = HEAP32[i52 >> 2] | 0;
+   do {
+    if ((i65 | 0) == (i44 | 0)) {
+     i251 = (i65 | 0) == 0 ? 1 : i65 << 1;
+     if ((i65 | 0) >= (i251 | 0)) {
+      i256 = i65;
+      i257 = i65;
+      break;
+     }
+     if ((i251 | 0) == 0) {
+      i258 = 0;
+      i259 = i65;
+     } else {
+      i243 = __Z22btAlignedAllocInternalji(i251 << 2, 16) | 0;
+      i258 = i243;
+      i259 = HEAP32[i53 >> 2] | 0;
+     }
+     if ((i259 | 0) > 0) {
+      i243 = 0;
+      do {
+       i254 = i258 + (i243 << 2) | 0;
+       if ((i254 | 0) != 0) {
+        HEAP32[i254 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i243 << 2) >> 2];
+       }
+       i243 = i243 + 1 | 0;
+      } while ((i243 | 0) < (i259 | 0));
+     }
+     i243 = HEAP32[i32 >> 2] | 0;
+     if ((i243 | 0) == 0) {
+      i260 = i259;
+     } else {
+      if ((HEAP8[i54] | 0) == 0) {
+       i261 = i259;
+      } else {
+       __Z21btAlignedFreeInternalPv(i243);
+       i261 = HEAP32[i53 >> 2] | 0;
+      }
+      HEAP32[i32 >> 2] = 0;
+      i260 = i261;
+     }
+     HEAP8[i54] = 1;
+     HEAP32[i32 >> 2] = i258;
+     HEAP32[i52 >> 2] = i251;
+     i256 = i260;
+     i257 = i251;
+    } else {
+     i256 = i65;
+     i257 = i44;
+    }
+   } while (0);
+   i44 = (HEAP32[i32 >> 2] | 0) + (i256 << 2) | 0;
+   if ((i44 | 0) != 0) {
+    HEAP32[i44 >> 2] = HEAP32[i63 >> 2];
+   }
+   i44 = i256 + 1 | 0;
+   HEAP32[i53 >> 2] = i44;
+   i65 = i56 | 0;
+   i59 = HEAP32[i65 >> 2] | 0;
+   if ((i59 | 0) == (HEAP32[i235 >> 2] | 0)) {
+    i262 = i44;
+    i263 = i257;
+   } else {
+    i44 = i59;
+    while (1) {
+     i59 = i44 + 12 | 0;
+     i243 = HEAP32[i59 >> 2] | 0;
+     i254 = i44 | 0;
+     i252 = HEAP32[i254 >> 2] | 0;
+     i255 = HEAP32[i44 + 8 >> 2] | 0;
+     if ((i252 | 0) == (i44 | 0)) {
+      HEAP32[(HEAP32[i255 + 12 >> 2] | 0) + 8 >> 2] = 0;
+     } else {
+      i253 = i44 + 4 | 0;
+      HEAP32[i252 + 4 >> 2] = HEAP32[i253 >> 2];
+      HEAP32[HEAP32[i253 >> 2] >> 2] = i252;
+      HEAP32[(HEAP32[i255 + 12 >> 2] | 0) + 8 >> 2] = i252;
+     }
+     i252 = i255 | 0;
+     i253 = HEAP32[i252 >> 2] | 0;
+     if ((i253 | 0) == (i255 | 0)) {
+      HEAP32[(HEAP32[i59 >> 2] | 0) + 8 >> 2] = 0;
+     } else {
+      i244 = i255 + 4 | 0;
+      HEAP32[i253 + 4 >> 2] = HEAP32[i244 >> 2];
+      HEAP32[HEAP32[i244 >> 2] >> 2] = i253;
+      HEAP32[(HEAP32[i59 >> 2] | 0) + 8 >> 2] = i253;
+     }
+     _memset(i44 | 0, 0, 20);
+     HEAP32[i254 >> 2] = HEAP32[i4 >> 2];
+     HEAP32[i4 >> 2] = i44;
+     _memset(i255 | 0, 0, 20);
+     HEAP32[i252 >> 2] = HEAP32[i4 >> 2];
+     HEAP32[i4 >> 2] = i255;
+     HEAP32[i30 >> 2] = (HEAP32[i30 >> 2] | 0) - 1;
+     i255 = HEAP32[i53 >> 2] | 0;
+     i252 = HEAP32[i52 >> 2] | 0;
+     do {
+      if ((i255 | 0) == (i252 | 0)) {
+       i254 = (i255 | 0) == 0 ? 1 : i255 << 1;
+       if ((i255 | 0) >= (i254 | 0)) {
+        i264 = i255;
+        i265 = i255;
+        break;
+       }
+       if ((i254 | 0) == 0) {
+        i266 = 0;
+        i267 = i255;
+       } else {
+        i253 = __Z22btAlignedAllocInternalji(i254 << 2, 16) | 0;
+        i266 = i253;
+        i267 = HEAP32[i53 >> 2] | 0;
+       }
+       if ((i267 | 0) > 0) {
+        i253 = 0;
+        do {
+         i59 = i266 + (i253 << 2) | 0;
+         if ((i59 | 0) != 0) {
+          HEAP32[i59 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i253 << 2) >> 2];
+         }
+         i253 = i253 + 1 | 0;
+        } while ((i253 | 0) < (i267 | 0));
+       }
+       i253 = HEAP32[i32 >> 2] | 0;
+       if ((i253 | 0) == 0) {
+        i268 = i267;
+       } else {
+        if ((HEAP8[i54] | 0) == 0) {
+         i269 = i267;
+        } else {
+         __Z21btAlignedFreeInternalPv(i253);
+         i269 = HEAP32[i53 >> 2] | 0;
+        }
+        HEAP32[i32 >> 2] = 0;
+        i268 = i269;
+       }
+       HEAP8[i54] = 1;
+       HEAP32[i32 >> 2] = i266;
+       HEAP32[i52 >> 2] = i254;
+       i264 = i268;
+       i265 = i254;
+      } else {
+       i264 = i255;
+       i265 = i252;
+      }
+     } while (0);
+     i252 = (HEAP32[i32 >> 2] | 0) + (i264 << 2) | 0;
+     if ((i252 | 0) != 0) {
+      HEAP32[i252 >> 2] = i243;
+     }
+     i252 = i264 + 1 | 0;
+     HEAP32[i53 >> 2] = i252;
+     i255 = HEAP32[i65 >> 2] | 0;
+     if ((i255 | 0) == (HEAP32[i235 >> 2] | 0)) {
+      i262 = i252;
+      i263 = i265;
+      break;
+     } else {
+      i44 = i255;
+     }
+    }
+   }
+   do {
+    if ((i262 | 0) == (i263 | 0)) {
+     i44 = (i263 | 0) == 0 ? 1 : i263 << 1;
+     if ((i263 | 0) >= (i44 | 0)) {
+      i270 = i263;
+      break;
+     }
+     if ((i44 | 0) == 0) {
+      i271 = 0;
+      i272 = i263;
+     } else {
+      i235 = __Z22btAlignedAllocInternalji(i44 << 2, 16) | 0;
+      i271 = i235;
+      i272 = HEAP32[i53 >> 2] | 0;
+     }
+     if ((i272 | 0) > 0) {
+      i235 = 0;
+      do {
+       i65 = i271 + (i235 << 2) | 0;
+       if ((i65 | 0) != 0) {
+        HEAP32[i65 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i235 << 2) >> 2];
+       }
+       i235 = i235 + 1 | 0;
+      } while ((i235 | 0) < (i272 | 0));
+     }
+     i235 = HEAP32[i32 >> 2] | 0;
+     if ((i235 | 0) == 0) {
+      i273 = i272;
+     } else {
+      if ((HEAP8[i54] | 0) == 0) {
+       i274 = i272;
+      } else {
+       __Z21btAlignedFreeInternalPv(i235);
+       i274 = HEAP32[i53 >> 2] | 0;
+      }
+      HEAP32[i32 >> 2] = 0;
+      i273 = i274;
+     }
+     HEAP8[i54] = 1;
+     HEAP32[i32 >> 2] = i271;
+     HEAP32[i52 >> 2] = i44;
+     i270 = i273;
+    } else {
+     i270 = i262;
+    }
+   } while (0);
+   i235 = (HEAP32[i32 >> 2] | 0) + (i270 << 2) | 0;
+   if ((i235 | 0) != 0) {
+    HEAP32[i235 >> 2] = 0;
+   }
+   HEAP32[i53 >> 2] = i270 + 1;
+  }
+ } while (0);
+ HEAP32[i1 + 124 >> 2] = HEAP32[HEAP32[i32 >> 2] >> 2];
+ i1 = HEAP32[i53 >> 2] | 0;
+ if ((i1 | 0) > 0) {
+  i270 = 0;
+  i262 = i1;
+  while (1) {
+   if ((i270 | 0) < (i262 | 0)) {
+    i273 = i270;
+    while (1) {
+     i271 = HEAP32[i32 >> 2] | 0;
+     i274 = HEAP32[i271 + (i273 << 2) >> 2] | 0;
+     i272 = i273 + 2 | 0;
+     i263 = HEAP32[i271 + (i273 + 1 << 2) >> 2] | 0;
+     do {
+      if ((i263 | 0) == 0) {
+       i275 = i272;
+      } else {
+       i271 = i274 + 16 | 0;
+       i265 = i274 + 12 | 0;
+       i264 = 0;
+       i268 = i272;
+       i266 = i263;
+       while (1) {
+        i269 = HEAP32[i271 >> 2] | 0;
+        i267 = i266 + 12 | 0;
+        i257 = HEAP32[i267 >> 2] | 0;
+        if ((i269 | 0) == 0) {
+         HEAP32[i265 >> 2] = i257;
+        } else {
+         HEAP32[i269 + 8 >> 2] = i257;
+        }
+        i257 = i266 + 16 | 0;
+        i269 = HEAP32[i257 >> 2] | 0;
+        if ((i269 | 0) != 0) {
+         HEAP32[i271 >> 2] = i269;
+        }
+        i269 = HEAP32[i267 >> 2] | 0;
+        if ((i269 | 0) != 0) {
+         i56 = i269;
+         do {
+          HEAP32[i56 + 4 >> 2] = i274;
+          i56 = HEAP32[i56 + 8 >> 2] | 0;
+         } while ((i56 | 0) != 0);
+        }
+        HEAP32[i267 >> 2] = 0;
+        HEAP32[i257 >> 2] = 0;
+        i56 = i266 + 8 | 0;
+        i115 = HEAP32[i56 >> 2] | 0;
+        if ((i115 | 0) == 0) {
+         i276 = i264;
+        } else {
+         i269 = i264;
+         i256 = i115;
+         while (1) {
+          i115 = HEAP32[i53 >> 2] | 0;
+          i260 = HEAP32[i52 >> 2] | 0;
+          if (i269) {
+           i277 = i256;
+           i278 = i115;
+           i279 = i260;
+          } else {
+           do {
+            if ((i115 | 0) == (i260 | 0)) {
+             i258 = (i115 | 0) == 0 ? 1 : i115 << 1;
+             if ((i115 | 0) >= (i258 | 0)) {
+              i280 = i115;
+              i281 = i115;
+              break;
+             }
+             if ((i258 | 0) == 0) {
+              i282 = 0;
+              i283 = i115;
+             } else {
+              i261 = __Z22btAlignedAllocInternalji(i258 << 2, 16) | 0;
+              i282 = i261;
+              i283 = HEAP32[i53 >> 2] | 0;
+             }
+             if ((i283 | 0) > 0) {
+              i261 = 0;
+              do {
+               i259 = i282 + (i261 << 2) | 0;
+               if ((i259 | 0) != 0) {
+                HEAP32[i259 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i261 << 2) >> 2];
+               }
+               i261 = i261 + 1 | 0;
+              } while ((i261 | 0) < (i283 | 0));
+             }
+             i261 = HEAP32[i32 >> 2] | 0;
+             if ((i261 | 0) == 0) {
+              i284 = i283;
+             } else {
+              if ((HEAP8[i54] | 0) == 0) {
+               i285 = i283;
+              } else {
+               __Z21btAlignedFreeInternalPv(i261);
+               i285 = HEAP32[i53 >> 2] | 0;
+              }
+              HEAP32[i32 >> 2] = 0;
+              i284 = i285;
+             }
+             HEAP8[i54] = 1;
+             HEAP32[i32 >> 2] = i282;
+             HEAP32[i52 >> 2] = i258;
+             i280 = i284;
+             i281 = i258;
+            } else {
+             i280 = i115;
+             i281 = i260;
+            }
+           } while (0);
+           i260 = (HEAP32[i32 >> 2] | 0) + (i280 << 2) | 0;
+           if ((i260 | 0) != 0) {
+            HEAP32[i260 >> 2] = i274;
+           }
+           i260 = i280 + 1 | 0;
+           HEAP32[i53 >> 2] = i260;
+           i277 = HEAP32[i56 >> 2] | 0;
+           i278 = i260;
+           i279 = i281;
+          }
+          i260 = i277 + 12 | 0;
+          do {
+           if ((i278 | 0) == (i279 | 0)) {
+            i115 = (i279 | 0) == 0 ? 1 : i279 << 1;
+            if ((i279 | 0) >= (i115 | 0)) {
+             i286 = i279;
+             break;
+            }
+            if ((i115 | 0) == 0) {
+             i287 = 0;
+             i288 = i279;
+            } else {
+             i261 = __Z22btAlignedAllocInternalji(i115 << 2, 16) | 0;
+             i287 = i261;
+             i288 = HEAP32[i53 >> 2] | 0;
+            }
+            if ((i288 | 0) > 0) {
+             i261 = 0;
+             do {
+              i259 = i287 + (i261 << 2) | 0;
+              if ((i259 | 0) != 0) {
+               HEAP32[i259 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i261 << 2) >> 2];
+              }
+              i261 = i261 + 1 | 0;
+             } while ((i261 | 0) < (i288 | 0));
+            }
+            i261 = HEAP32[i32 >> 2] | 0;
+            if ((i261 | 0) == 0) {
+             i289 = i288;
+            } else {
+             if ((HEAP8[i54] | 0) == 0) {
+              i290 = i288;
+             } else {
+              __Z21btAlignedFreeInternalPv(i261);
+              i290 = HEAP32[i53 >> 2] | 0;
+             }
+             HEAP32[i32 >> 2] = 0;
+             i289 = i290;
+            }
+            HEAP8[i54] = 1;
+            HEAP32[i32 >> 2] = i287;
+            HEAP32[i52 >> 2] = i115;
+            i286 = i289;
+           } else {
+            i286 = i278;
+           }
+          } while (0);
+          i261 = (HEAP32[i32 >> 2] | 0) + (i286 << 2) | 0;
+          if ((i261 | 0) != 0) {
+           HEAP32[i261 >> 2] = HEAP32[i260 >> 2];
+          }
+          HEAP32[i53 >> 2] = i286 + 1;
+          i261 = HEAP32[i56 >> 2] | 0;
+          i258 = i261 | 0;
+          i259 = HEAP32[i258 >> 2] | 0;
+          i55 = HEAP32[i261 + 8 >> 2] | 0;
+          if ((i259 | 0) == (i261 | 0)) {
+           HEAP32[(HEAP32[i55 + 12 >> 2] | 0) + 8 >> 2] = 0;
+          } else {
+           i51 = i261 + 4 | 0;
+           HEAP32[i259 + 4 >> 2] = HEAP32[i51 >> 2];
+           HEAP32[HEAP32[i51 >> 2] >> 2] = i259;
+           HEAP32[(HEAP32[i55 + 12 >> 2] | 0) + 8 >> 2] = i259;
+          }
+          i259 = i55 | 0;
+          i51 = HEAP32[i259 >> 2] | 0;
+          if ((i51 | 0) == (i55 | 0)) {
+           HEAP32[(HEAP32[i261 + 12 >> 2] | 0) + 8 >> 2] = 0;
+          } else {
+           i50 = i55 + 4 | 0;
+           HEAP32[i51 + 4 >> 2] = HEAP32[i50 >> 2];
+           HEAP32[HEAP32[i50 >> 2] >> 2] = i51;
+           HEAP32[(HEAP32[i261 + 12 >> 2] | 0) + 8 >> 2] = i51;
+          }
+          _memset(i261 | 0, 0, 20);
+          HEAP32[i258 >> 2] = HEAP32[i4 >> 2];
+          HEAP32[i4 >> 2] = i261;
+          _memset(i55 | 0, 0, 20);
+          HEAP32[i259 >> 2] = HEAP32[i4 >> 2];
+          HEAP32[i4 >> 2] = i55;
+          HEAP32[i30 >> 2] = (HEAP32[i30 >> 2] | 0) - 1;
+          i55 = HEAP32[i56 >> 2] | 0;
+          if ((i55 | 0) == 0) {
+           i276 = 1;
+           break;
+          } else {
+           i269 = 1;
+           i256 = i55;
+          }
+         }
+        }
+        i291 = i268 + 1 | 0;
+        i292 = HEAP32[i32 >> 2] | 0;
+        i256 = HEAP32[i292 + (i268 << 2) >> 2] | 0;
+        if ((i256 | 0) == 0) {
+         break;
+        } else {
+         i264 = i276;
+         i268 = i291;
+         i266 = i256;
+        }
+       }
+       if (!i276) {
+        i275 = i291;
+        break;
+       }
+       i266 = HEAP32[i53 >> 2] | 0;
+       do {
+        if ((i266 | 0) == (HEAP32[i52 >> 2] | 0)) {
+         i268 = (i266 | 0) == 0 ? 1 : i266 << 1;
+         if ((i266 | 0) >= (i268 | 0)) {
+          i293 = i266;
+          i294 = i292;
+          break;
+         }
+         if ((i268 | 0) == 0) {
+          i295 = 0;
+          i296 = i266;
+         } else {
+          i264 = __Z22btAlignedAllocInternalji(i268 << 2, 16) | 0;
+          i295 = i264;
+          i296 = HEAP32[i53 >> 2] | 0;
+         }
+         if ((i296 | 0) > 0) {
+          i264 = 0;
+          do {
+           i271 = i295 + (i264 << 2) | 0;
+           if ((i271 | 0) != 0) {
+            HEAP32[i271 >> 2] = HEAP32[(HEAP32[i32 >> 2] | 0) + (i264 << 2) >> 2];
+           }
+           i264 = i264 + 1 | 0;
+          } while ((i264 | 0) < (i296 | 0));
+         }
+         i264 = HEAP32[i32 >> 2] | 0;
+         if ((i264 | 0) == 0) {
+          i297 = i296;
+         } else {
+          if ((HEAP8[i54] | 0) == 0) {
+           i298 = i296;
+          } else {
+           __Z21btAlignedFreeInternalPv(i264);
+           i298 = HEAP32[i53 >> 2] | 0;
+          }
+          HEAP32[i32 >> 2] = 0;
+          i297 = i298;
+         }
+         HEAP8[i54] = 1;
+         HEAP32[i32 >> 2] = i295;
+         HEAP32[i52 >> 2] = i268;
+         i293 = i297;
+         i294 = i295;
+        } else {
+         i293 = i266;
+         i294 = i292;
+        }
+       } while (0);
+       i266 = i294 + (i293 << 2) | 0;
+       if ((i266 | 0) != 0) {
+        HEAP32[i266 >> 2] = 0;
+       }
+       HEAP32[i53 >> 2] = i293 + 1;
+       i275 = i291;
+      }
+     } while (0);
+     if ((i275 | 0) < (i262 | 0)) {
+      i273 = i275;
+     } else {
+      break;
+     }
+    }
+    i299 = i275;
+    i300 = HEAP32[i53 >> 2] | 0;
+   } else {
+    i299 = i270;
+    i300 = i262;
+   }
+   if ((i299 | 0) < (i300 | 0)) {
+    i270 = i299;
+    i262 = i300;
+   } else {
+    break;
+   }
+  }
+  if ((i300 | 0) <= 0) {
+   i301 = i300;
+   i49 = 1599;
+  }
+ } else {
+  i301 = i1;
+  i49 = 1599;
+ }
+ do {
+  if ((i49 | 0) == 1599) {
+   if ((i301 | 0) >= 0) {
+    break;
+   }
+   if ((HEAP32[i52 >> 2] | 0) < 0) {
+    i1 = HEAP32[i32 >> 2] | 0;
+    if ((i1 | 0) != 0) {
+     if ((HEAP8[i54] | 0) != 0) {
+      __Z21btAlignedFreeInternalPv(i1);
+     }
+     HEAP32[i32 >> 2] = 0;
+    }
+    HEAP8[i54] = 1;
+    HEAP32[i32 >> 2] = 0;
+    HEAP32[i52 >> 2] = 0;
+    i302 = i301;
+   } else {
+    i302 = i301;
+   }
+   do {
+    i1 = (HEAP32[i32 >> 2] | 0) + (i302 << 2) | 0;
+    if ((i1 | 0) != 0) {
+     HEAP32[i1 >> 2] = 0;
+    }
+    i302 = i302 + 1 | 0;
+   } while ((i302 | 0) < 0);
+  }
+ } while (0);
+ HEAP32[i53 >> 2] = 0;
+ HEAP32[i28 >> 2] = i35;
+ HEAP32[i36 >> 2] = i19;
+ HEAP32[i33 >> 2] = i18;
+ HEAP32[i2 + 24 >> 2] = -1;
+ i20 = 1;
+ STACKTOP = i5;
+ return i20 | 0;
+}
+function _malloc(i1) {
+ i1 = i1 | 0;
+ var i2 = 0, i3 = 0, i4 = 0, i5 = 0, i6 = 0, i7 = 0, i8 = 0, i9 = 0, i10 = 0, i11 = 0, i12 = 0, i13 = 0, i14 = 0, i15 = 0, i16 = 0, i17 = 0, i18 = 0, i19 = 0, i20 = 0, i21 = 0, i22 = 0, i23 = 0, i24 = 0, i25 = 0, i26 = 0, i27 = 0, i28 = 0, i29 = 0, i30 = 0, i31 = 0, i32 = 0, i33 = 0, i34 = 0, i35 = 0, i36 = 0, i37 = 0, i38 = 0, i39 = 0, i40 = 0, i41 = 0, i42 = 0, i43 = 0, i44 = 0, i45 = 0, i46 = 0, i47 = 0, i48 = 0, i49 = 0, i50 = 0, i51 = 0, i52 = 0, i53 = 0, i54 = 0, i55 = 0, i56 = 0, i57 = 0, i58 = 0, i59 = 0, i60 = 0, i61 = 0, i62 = 0, i63 = 0, i64 = 0, i65 = 0, i66 = 0, i67 = 0, i68 = 0, i69 = 0, i70 = 0, i71 = 0, i72 = 0, i73 = 0, i74 = 0, i75 = 0, i76 = 0, i77 = 0, i78 = 0, i79 = 0, i80 = 0, i81 = 0, i82 = 0, i83 = 0, i84 = 0, i85 = 0, i86 = 0;
+ do {
+  if (i1 >>> 0 < 245) {
+   if (i1 >>> 0 < 11) {
+    i2 = 16;
+   } else {
+    i2 = i1 + 11 & -8;
+   }
+   i3 = i2 >>> 3;
+   i4 = HEAP32[3016] | 0;
+   i5 = i4 >>> (i3 >>> 0);
+   if ((i5 & 3 | 0) != 0) {
+    i6 = (i5 & 1 ^ 1) + i3 | 0;
+    i7 = i6 << 1;
+    i8 = 12104 + (i7 << 2) | 0;
+    i9 = 12104 + (i7 + 2 << 2) | 0;
+    i7 = HEAP32[i9 >> 2] | 0;
+    i10 = i7 + 8 | 0;
+    i11 = HEAP32[i10 >> 2] | 0;
+    do {
+     if ((i8 | 0) == (i11 | 0)) {
+      HEAP32[3016] = i4 & ~(1 << i6);
+     } else {
+      if (i11 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+       _abort();
+       return 0;
+      }
+      i12 = i11 + 12 | 0;
+      if ((HEAP32[i12 >> 2] | 0) == (i7 | 0)) {
+       HEAP32[i12 >> 2] = i8;
+       HEAP32[i9 >> 2] = i11;
+       break;
+      } else {
+       _abort();
+       return 0;
+      }
+     }
+    } while (0);
+    i11 = i6 << 3;
+    HEAP32[i7 + 4 >> 2] = i11 | 3;
+    i9 = i7 + (i11 | 4) | 0;
+    HEAP32[i9 >> 2] = HEAP32[i9 >> 2] | 1;
+    i13 = i10;
+    return i13 | 0;
+   }
+   if (i2 >>> 0 <= (HEAP32[3018] | 0) >>> 0) {
+    i14 = i2;
+    break;
+   }
+   if ((i5 | 0) != 0) {
+    i9 = 2 << i3;
+    i11 = i5 << i3 & (i9 | -i9);
+    i9 = (i11 & -i11) - 1 | 0;
+    i11 = i9 >>> 12 & 16;
+    i8 = i9 >>> (i11 >>> 0);
+    i9 = i8 >>> 5 & 8;
+    i12 = i8 >>> (i9 >>> 0);
+    i8 = i12 >>> 2 & 4;
+    i15 = i12 >>> (i8 >>> 0);
+    i12 = i15 >>> 1 & 2;
+    i16 = i15 >>> (i12 >>> 0);
+    i15 = i16 >>> 1 & 1;
+    i17 = (i9 | i11 | i8 | i12 | i15) + (i16 >>> (i15 >>> 0)) | 0;
+    i15 = i17 << 1;
+    i16 = 12104 + (i15 << 2) | 0;
+    i12 = 12104 + (i15 + 2 << 2) | 0;
+    i15 = HEAP32[i12 >> 2] | 0;
+    i8 = i15 + 8 | 0;
+    i11 = HEAP32[i8 >> 2] | 0;
+    do {
+     if ((i16 | 0) == (i11 | 0)) {
+      HEAP32[3016] = i4 & ~(1 << i17);
+     } else {
+      if (i11 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+       _abort();
+       return 0;
+      }
+      i9 = i11 + 12 | 0;
+      if ((HEAP32[i9 >> 2] | 0) == (i15 | 0)) {
+       HEAP32[i9 >> 2] = i16;
+       HEAP32[i12 >> 2] = i11;
+       break;
+      } else {
+       _abort();
+       return 0;
+      }
+     }
+    } while (0);
+    i11 = i17 << 3;
+    i12 = i11 - i2 | 0;
+    HEAP32[i15 + 4 >> 2] = i2 | 3;
+    i16 = i15;
+    i4 = i16 + i2 | 0;
+    HEAP32[i16 + (i2 | 4) >> 2] = i12 | 1;
+    HEAP32[i16 + i11 >> 2] = i12;
+    i11 = HEAP32[3018] | 0;
+    if ((i11 | 0) != 0) {
+     i16 = HEAP32[3021] | 0;
+     i3 = i11 >>> 3;
+     i11 = i3 << 1;
+     i5 = 12104 + (i11 << 2) | 0;
+     i10 = HEAP32[3016] | 0;
+     i7 = 1 << i3;
+     do {
+      if ((i10 & i7 | 0) == 0) {
+       HEAP32[3016] = i10 | i7;
+       i18 = i5;
+       i19 = 12104 + (i11 + 2 << 2) | 0;
+      } else {
+       i3 = 12104 + (i11 + 2 << 2) | 0;
+       i6 = HEAP32[i3 >> 2] | 0;
+       if (i6 >>> 0 >= (HEAP32[3020] | 0) >>> 0) {
+        i18 = i6;
+        i19 = i3;
+        break;
+       }
+       _abort();
+       return 0;
+      }
+     } while (0);
+     HEAP32[i19 >> 2] = i16;
+     HEAP32[i18 + 12 >> 2] = i16;
+     HEAP32[i16 + 8 >> 2] = i18;
+     HEAP32[i16 + 12 >> 2] = i5;
+    }
+    HEAP32[3018] = i12;
+    HEAP32[3021] = i4;
+    i13 = i8;
+    return i13 | 0;
+   }
+   i11 = HEAP32[3017] | 0;
+   if ((i11 | 0) == 0) {
+    i14 = i2;
+    break;
+   }
+   i7 = (i11 & -i11) - 1 | 0;
+   i11 = i7 >>> 12 & 16;
+   i10 = i7 >>> (i11 >>> 0);
+   i7 = i10 >>> 5 & 8;
+   i15 = i10 >>> (i7 >>> 0);
+   i10 = i15 >>> 2 & 4;
+   i17 = i15 >>> (i10 >>> 0);
+   i15 = i17 >>> 1 & 2;
+   i3 = i17 >>> (i15 >>> 0);
+   i17 = i3 >>> 1 & 1;
+   i6 = HEAP32[12368 + ((i7 | i11 | i10 | i15 | i17) + (i3 >>> (i17 >>> 0)) << 2) >> 2] | 0;
+   i17 = i6;
+   i3 = i6;
+   i15 = (HEAP32[i6 + 4 >> 2] & -8) - i2 | 0;
+   while (1) {
+    i6 = HEAP32[i17 + 16 >> 2] | 0;
+    if ((i6 | 0) == 0) {
+     i10 = HEAP32[i17 + 20 >> 2] | 0;
+     if ((i10 | 0) == 0) {
+      break;
+     } else {
+      i20 = i10;
+     }
+    } else {
+     i20 = i6;
+    }
+    i6 = (HEAP32[i20 + 4 >> 2] & -8) - i2 | 0;
+    i10 = i6 >>> 0 < i15 >>> 0;
+    i17 = i20;
+    i3 = i10 ? i20 : i3;
+    i15 = i10 ? i6 : i15;
+   }
+   i17 = i3;
+   i8 = HEAP32[3020] | 0;
+   if (i17 >>> 0 < i8 >>> 0) {
+    _abort();
+    return 0;
+   }
+   i4 = i17 + i2 | 0;
+   i12 = i4;
+   if (i17 >>> 0 >= i4 >>> 0) {
+    _abort();
+    return 0;
+   }
+   i4 = HEAP32[i3 + 24 >> 2] | 0;
+   i5 = HEAP32[i3 + 12 >> 2] | 0;
+   do {
+    if ((i5 | 0) == (i3 | 0)) {
+     i16 = i3 + 20 | 0;
+     i6 = HEAP32[i16 >> 2] | 0;
+     if ((i6 | 0) == 0) {
+      i10 = i3 + 16 | 0;
+      i11 = HEAP32[i10 >> 2] | 0;
+      if ((i11 | 0) == 0) {
+       i21 = 0;
+       break;
+      } else {
+       i22 = i11;
+       i23 = i10;
+      }
+     } else {
+      i22 = i6;
+      i23 = i16;
+     }
+     while (1) {
+      i16 = i22 + 20 | 0;
+      i6 = HEAP32[i16 >> 2] | 0;
+      if ((i6 | 0) != 0) {
+       i22 = i6;
+       i23 = i16;
+       continue;
+      }
+      i16 = i22 + 16 | 0;
+      i6 = HEAP32[i16 >> 2] | 0;
+      if ((i6 | 0) == 0) {
+       break;
+      } else {
+       i22 = i6;
+       i23 = i16;
+      }
+     }
+     if (i23 >>> 0 < i8 >>> 0) {
+      _abort();
+      return 0;
+     } else {
+      HEAP32[i23 >> 2] = 0;
+      i21 = i22;
+      break;
+     }
+    } else {
+     i16 = HEAP32[i3 + 8 >> 2] | 0;
+     if (i16 >>> 0 < i8 >>> 0) {
+      _abort();
+      return 0;
+     }
+     i6 = i16 + 12 | 0;
+     if ((HEAP32[i6 >> 2] | 0) != (i3 | 0)) {
+      _abort();
+      return 0;
+     }
+     i10 = i5 + 8 | 0;
+     if ((HEAP32[i10 >> 2] | 0) == (i3 | 0)) {
+      HEAP32[i6 >> 2] = i5;
+      HEAP32[i10 >> 2] = i16;
+      i21 = i5;
+      break;
+     } else {
+      _abort();
+      return 0;
+     }
+    }
+   } while (0);
+   L78 : do {
+    if ((i4 | 0) != 0) {
+     i5 = i3 + 28 | 0;
+     i8 = 12368 + (HEAP32[i5 >> 2] << 2) | 0;
+     do {
+      if ((i3 | 0) == (HEAP32[i8 >> 2] | 0)) {
+       HEAP32[i8 >> 2] = i21;
+       if ((i21 | 0) != 0) {
+        break;
+       }
+       HEAP32[3017] = HEAP32[3017] & ~(1 << HEAP32[i5 >> 2]);
+       break L78;
+      } else {
+       if (i4 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+        _abort();
+        return 0;
+       }
+       i16 = i4 + 16 | 0;
+       if ((HEAP32[i16 >> 2] | 0) == (i3 | 0)) {
+        HEAP32[i16 >> 2] = i21;
+       } else {
+        HEAP32[i4 + 20 >> 2] = i21;
+       }
+       if ((i21 | 0) == 0) {
+        break L78;
+       }
+      }
+     } while (0);
+     if (i21 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+      _abort();
+      return 0;
+     }
+     HEAP32[i21 + 24 >> 2] = i4;
+     i5 = HEAP32[i3 + 16 >> 2] | 0;
+     do {
+      if ((i5 | 0) != 0) {
+       if (i5 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+        _abort();
+        return 0;
+       } else {
+        HEAP32[i21 + 16 >> 2] = i5;
+        HEAP32[i5 + 24 >> 2] = i21;
+        break;
+       }
+      }
+     } while (0);
+     i5 = HEAP32[i3 + 20 >> 2] | 0;
+     if ((i5 | 0) == 0) {
+      break;
+     }
+     if (i5 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+      _abort();
+      return 0;
+     } else {
+      HEAP32[i21 + 20 >> 2] = i5;
+      HEAP32[i5 + 24 >> 2] = i21;
+      break;
+     }
+    }
+   } while (0);
+   if (i15 >>> 0 < 16) {
+    i4 = i15 + i2 | 0;
+    HEAP32[i3 + 4 >> 2] = i4 | 3;
+    i5 = i17 + (i4 + 4) | 0;
+    HEAP32[i5 >> 2] = HEAP32[i5 >> 2] | 1;
+   } else {
+    HEAP32[i3 + 4 >> 2] = i2 | 3;
+    HEAP32[i17 + (i2 | 4) >> 2] = i15 | 1;
+    HEAP32[i17 + (i15 + i2) >> 2] = i15;
+    i5 = HEAP32[3018] | 0;
+    if ((i5 | 0) != 0) {
+     i4 = HEAP32[3021] | 0;
+     i8 = i5 >>> 3;
+     i5 = i8 << 1;
+     i16 = 12104 + (i5 << 2) | 0;
+     i10 = HEAP32[3016] | 0;
+     i6 = 1 << i8;
+     do {
+      if ((i10 & i6 | 0) == 0) {
+       HEAP32[3016] = i10 | i6;
+       i24 = i16;
+       i25 = 12104 + (i5 + 2 << 2) | 0;
+      } else {
+       i8 = 12104 + (i5 + 2 << 2) | 0;
+       i11 = HEAP32[i8 >> 2] | 0;
+       if (i11 >>> 0 >= (HEAP32[3020] | 0) >>> 0) {
+        i24 = i11;
+        i25 = i8;
+        break;
+       }
+       _abort();
+       return 0;
+      }
+     } while (0);
+     HEAP32[i25 >> 2] = i4;
+     HEAP32[i24 + 12 >> 2] = i4;
+     HEAP32[i4 + 8 >> 2] = i24;
+     HEAP32[i4 + 12 >> 2] = i16;
+    }
+    HEAP32[3018] = i15;
+    HEAP32[3021] = i12;
+   }
+   i5 = i3 + 8 | 0;
+   if ((i5 | 0) == 0) {
+    i14 = i2;
+    break;
+   } else {
+    i13 = i5;
+   }
+   return i13 | 0;
+  } else {
+   if (i1 >>> 0 > 4294967231) {
+    i14 = -1;
+    break;
+   }
+   i5 = i1 + 11 | 0;
+   i6 = i5 & -8;
+   i10 = HEAP32[3017] | 0;
+   if ((i10 | 0) == 0) {
+    i14 = i6;
+    break;
+   }
+   i17 = -i6 | 0;
+   i8 = i5 >>> 8;
+   do {
+    if ((i8 | 0) == 0) {
+     i26 = 0;
+    } else {
+     if (i6 >>> 0 > 16777215) {
+      i26 = 31;
+      break;
+     }
+     i5 = (i8 + 1048320 | 0) >>> 16 & 8;
+     i11 = i8 << i5;
+     i7 = (i11 + 520192 | 0) >>> 16 & 4;
+     i9 = i11 << i7;
+     i11 = (i9 + 245760 | 0) >>> 16 & 2;
+     i27 = 14 - (i7 | i5 | i11) + (i9 << i11 >>> 15) | 0;
+     i26 = i6 >>> ((i27 + 7 | 0) >>> 0) & 1 | i27 << 1;
+    }
+   } while (0);
+   i8 = HEAP32[12368 + (i26 << 2) >> 2] | 0;
+   L126 : do {
+    if ((i8 | 0) == 0) {
+     i28 = 0;
+     i29 = i17;
+     i30 = 0;
+    } else {
+     if ((i26 | 0) == 31) {
+      i31 = 0;
+     } else {
+      i31 = 25 - (i26 >>> 1) | 0;
+     }
+     i3 = 0;
+     i12 = i17;
+     i15 = i8;
+     i16 = i6 << i31;
+     i4 = 0;
+     while (1) {
+      i27 = HEAP32[i15 + 4 >> 2] & -8;
+      i11 = i27 - i6 | 0;
+      if (i11 >>> 0 < i12 >>> 0) {
+       if ((i27 | 0) == (i6 | 0)) {
+        i28 = i15;
+        i29 = i11;
+        i30 = i15;
+        break L126;
+       } else {
+        i32 = i15;
+        i33 = i11;
+       }
+      } else {
+       i32 = i3;
+       i33 = i12;
+      }
+      i11 = HEAP32[i15 + 20 >> 2] | 0;
+      i27 = HEAP32[i15 + 16 + (i16 >>> 31 << 2) >> 2] | 0;
+      i9 = (i11 | 0) == 0 | (i11 | 0) == (i27 | 0) ? i4 : i11;
+      if ((i27 | 0) == 0) {
+       i28 = i32;
+       i29 = i33;
+       i30 = i9;
+       break;
+      } else {
+       i3 = i32;
+       i12 = i33;
+       i15 = i27;
+       i16 = i16 << 1;
+       i4 = i9;
+      }
+     }
+    }
+   } while (0);
+   if ((i30 | 0) == 0 & (i28 | 0) == 0) {
+    i8 = 2 << i26;
+    i17 = i10 & (i8 | -i8);
+    if ((i17 | 0) == 0) {
+     i14 = i6;
+     break;
+    }
+    i8 = (i17 & -i17) - 1 | 0;
+    i17 = i8 >>> 12 & 16;
+    i4 = i8 >>> (i17 >>> 0);
+    i8 = i4 >>> 5 & 8;
+    i16 = i4 >>> (i8 >>> 0);
+    i4 = i16 >>> 2 & 4;
+    i15 = i16 >>> (i4 >>> 0);
+    i16 = i15 >>> 1 & 2;
+    i12 = i15 >>> (i16 >>> 0);
+    i15 = i12 >>> 1 & 1;
+    i34 = HEAP32[12368 + ((i8 | i17 | i4 | i16 | i15) + (i12 >>> (i15 >>> 0)) << 2) >> 2] | 0;
+   } else {
+    i34 = i30;
+   }
+   if ((i34 | 0) == 0) {
+    i35 = i29;
+    i36 = i28;
+   } else {
+    i15 = i34;
+    i12 = i29;
+    i16 = i28;
+    while (1) {
+     i4 = (HEAP32[i15 + 4 >> 2] & -8) - i6 | 0;
+     i17 = i4 >>> 0 < i12 >>> 0;
+     i8 = i17 ? i4 : i12;
+     i4 = i17 ? i15 : i16;
+     i17 = HEAP32[i15 + 16 >> 2] | 0;
+     if ((i17 | 0) != 0) {
+      i15 = i17;
+      i12 = i8;
+      i16 = i4;
+      continue;
+     }
+     i17 = HEAP32[i15 + 20 >> 2] | 0;
+     if ((i17 | 0) == 0) {
+      i35 = i8;
+      i36 = i4;
+      break;
+     } else {
+      i15 = i17;
+      i12 = i8;
+      i16 = i4;
+     }
+    }
+   }
+   if ((i36 | 0) == 0) {
+    i14 = i6;
+    break;
+   }
+   if (i35 >>> 0 >= ((HEAP32[3018] | 0) - i6 | 0) >>> 0) {
+    i14 = i6;
+    break;
+   }
+   i16 = i36;
+   i12 = HEAP32[3020] | 0;
+   if (i16 >>> 0 < i12 >>> 0) {
+    _abort();
+    return 0;
+   }
+   i15 = i16 + i6 | 0;
+   i10 = i15;
+   if (i16 >>> 0 >= i15 >>> 0) {
+    _abort();
+    return 0;
+   }
+   i4 = HEAP32[i36 + 24 >> 2] | 0;
+   i8 = HEAP32[i36 + 12 >> 2] | 0;
+   do {
+    if ((i8 | 0) == (i36 | 0)) {
+     i17 = i36 + 20 | 0;
+     i3 = HEAP32[i17 >> 2] | 0;
+     if ((i3 | 0) == 0) {
+      i9 = i36 + 16 | 0;
+      i27 = HEAP32[i9 >> 2] | 0;
+      if ((i27 | 0) == 0) {
+       i37 = 0;
+       break;
+      } else {
+       i38 = i27;
+       i39 = i9;
+      }
+     } else {
+      i38 = i3;
+      i39 = i17;
+     }
+     while (1) {
+      i17 = i38 + 20 | 0;
+      i3 = HEAP32[i17 >> 2] | 0;
+      if ((i3 | 0) != 0) {
+       i38 = i3;
+       i39 = i17;
+       continue;
+      }
+      i17 = i38 + 16 | 0;
+      i3 = HEAP32[i17 >> 2] | 0;
+      if ((i3 | 0) == 0) {
+       break;
+      } else {
+       i38 = i3;
+       i39 = i17;
+      }
+     }
+     if (i39 >>> 0 < i12 >>> 0) {
+      _abort();
+      return 0;
+     } else {
+      HEAP32[i39 >> 2] = 0;
+      i37 = i38;
+      break;
+     }
+    } else {
+     i17 = HEAP32[i36 + 8 >> 2] | 0;
+     if (i17 >>> 0 < i12 >>> 0) {
+      _abort();
+      return 0;
+     }
+     i3 = i17 + 12 | 0;
+     if ((HEAP32[i3 >> 2] | 0) != (i36 | 0)) {
+      _abort();
+      return 0;
+     }
+     i9 = i8 + 8 | 0;
+     if ((HEAP32[i9 >> 2] | 0) == (i36 | 0)) {
+      HEAP32[i3 >> 2] = i8;
+      HEAP32[i9 >> 2] = i17;
+      i37 = i8;
+      break;
+     } else {
+      _abort();
+      return 0;
+     }
+    }
+   } while (0);
+   L176 : do {
+    if ((i4 | 0) != 0) {
+     i8 = i36 + 28 | 0;
+     i12 = 12368 + (HEAP32[i8 >> 2] << 2) | 0;
+     do {
+      if ((i36 | 0) == (HEAP32[i12 >> 2] | 0)) {
+       HEAP32[i12 >> 2] = i37;
+       if ((i37 | 0) != 0) {
+        break;
+       }
+       HEAP32[3017] = HEAP32[3017] & ~(1 << HEAP32[i8 >> 2]);
+       break L176;
+      } else {
+       if (i4 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+        _abort();
+        return 0;
+       }
+       i17 = i4 + 16 | 0;
+       if ((HEAP32[i17 >> 2] | 0) == (i36 | 0)) {
+        HEAP32[i17 >> 2] = i37;
+       } else {
+        HEAP32[i4 + 20 >> 2] = i37;
+       }
+       if ((i37 | 0) == 0) {
+        break L176;
+       }
+      }
+     } while (0);
+     if (i37 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+      _abort();
+      return 0;
+     }
+     HEAP32[i37 + 24 >> 2] = i4;
+     i8 = HEAP32[i36 + 16 >> 2] | 0;
+     do {
+      if ((i8 | 0) != 0) {
+       if (i8 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+        _abort();
+        return 0;
+       } else {
+        HEAP32[i37 + 16 >> 2] = i8;
+        HEAP32[i8 + 24 >> 2] = i37;
+        break;
+       }
+      }
+     } while (0);
+     i8 = HEAP32[i36 + 20 >> 2] | 0;
+     if ((i8 | 0) == 0) {
+      break;
+     }
+     if (i8 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+      _abort();
+      return 0;
+     } else {
+      HEAP32[i37 + 20 >> 2] = i8;
+      HEAP32[i8 + 24 >> 2] = i37;
+      break;
+     }
+    }
+   } while (0);
+   do {
+    if (i35 >>> 0 < 16) {
+     i4 = i35 + i6 | 0;
+     HEAP32[i36 + 4 >> 2] = i4 | 3;
+     i8 = i16 + (i4 + 4) | 0;
+     HEAP32[i8 >> 2] = HEAP32[i8 >> 2] | 1;
+    } else {
+     HEAP32[i36 + 4 >> 2] = i6 | 3;
+     HEAP32[i16 + (i6 | 4) >> 2] = i35 | 1;
+     HEAP32[i16 + (i35 + i6) >> 2] = i35;
+     i8 = i35 >>> 3;
+     if (i35 >>> 0 < 256) {
+      i4 = i8 << 1;
+      i12 = 12104 + (i4 << 2) | 0;
+      i17 = HEAP32[3016] | 0;
+      i9 = 1 << i8;
+      do {
+       if ((i17 & i9 | 0) == 0) {
+        HEAP32[3016] = i17 | i9;
+        i40 = i12;
+        i41 = 12104 + (i4 + 2 << 2) | 0;
+       } else {
+        i8 = 12104 + (i4 + 2 << 2) | 0;
+        i3 = HEAP32[i8 >> 2] | 0;
+        if (i3 >>> 0 >= (HEAP32[3020] | 0) >>> 0) {
+         i40 = i3;
+         i41 = i8;
+         break;
+        }
+        _abort();
+        return 0;
+       }
+      } while (0);
+      HEAP32[i41 >> 2] = i10;
+      HEAP32[i40 + 12 >> 2] = i10;
+      HEAP32[i16 + (i6 + 8) >> 2] = i40;
+      HEAP32[i16 + (i6 + 12) >> 2] = i12;
+      break;
+     }
+     i4 = i15;
+     i9 = i35 >>> 8;
+     do {
+      if ((i9 | 0) == 0) {
+       i42 = 0;
+      } else {
+       if (i35 >>> 0 > 16777215) {
+        i42 = 31;
+        break;
+       }
+       i17 = (i9 + 1048320 | 0) >>> 16 & 8;
+       i8 = i9 << i17;
+       i3 = (i8 + 520192 | 0) >>> 16 & 4;
+       i27 = i8 << i3;
+       i8 = (i27 + 245760 | 0) >>> 16 & 2;
+       i11 = 14 - (i3 | i17 | i8) + (i27 << i8 >>> 15) | 0;
+       i42 = i35 >>> ((i11 + 7 | 0) >>> 0) & 1 | i11 << 1;
+      }
+     } while (0);
+     i9 = 12368 + (i42 << 2) | 0;
+     HEAP32[i16 + (i6 + 28) >> 2] = i42;
+     HEAP32[i16 + (i6 + 20) >> 2] = 0;
+     HEAP32[i16 + (i6 + 16) >> 2] = 0;
+     i12 = HEAP32[3017] | 0;
+     i11 = 1 << i42;
+     if ((i12 & i11 | 0) == 0) {
+      HEAP32[3017] = i12 | i11;
+      HEAP32[i9 >> 2] = i4;
+      HEAP32[i16 + (i6 + 24) >> 2] = i9;
+      HEAP32[i16 + (i6 + 12) >> 2] = i4;
+      HEAP32[i16 + (i6 + 8) >> 2] = i4;
+      break;
+     }
+     if ((i42 | 0) == 31) {
+      i43 = 0;
+     } else {
+      i43 = 25 - (i42 >>> 1) | 0;
+     }
+     i11 = i35 << i43;
+     i12 = HEAP32[i9 >> 2] | 0;
+     while (1) {
+      if ((HEAP32[i12 + 4 >> 2] & -8 | 0) == (i35 | 0)) {
+       break;
+      }
+      i44 = i12 + 16 + (i11 >>> 31 << 2) | 0;
+      i9 = HEAP32[i44 >> 2] | 0;
+      if ((i9 | 0) == 0) {
+       i45 = 151;
+       break;
+      } else {
+       i11 = i11 << 1;
+       i12 = i9;
+      }
+     }
+     if ((i45 | 0) == 151) {
+      if (i44 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+       _abort();
+       return 0;
+      } else {
+       HEAP32[i44 >> 2] = i4;
+       HEAP32[i16 + (i6 + 24) >> 2] = i12;
+       HEAP32[i16 + (i6 + 12) >> 2] = i4;
+       HEAP32[i16 + (i6 + 8) >> 2] = i4;
+       break;
+      }
+     }
+     i11 = i12 + 8 | 0;
+     i9 = HEAP32[i11 >> 2] | 0;
+     i8 = HEAP32[3020] | 0;
+     if (i12 >>> 0 < i8 >>> 0) {
+      _abort();
+      return 0;
+     }
+     if (i9 >>> 0 < i8 >>> 0) {
+      _abort();
+      return 0;
+     } else {
+      HEAP32[i9 + 12 >> 2] = i4;
+      HEAP32[i11 >> 2] = i4;
+      HEAP32[i16 + (i6 + 8) >> 2] = i9;
+      HEAP32[i16 + (i6 + 12) >> 2] = i12;
+      HEAP32[i16 + (i6 + 24) >> 2] = 0;
+      break;
+     }
+    }
+   } while (0);
+   i16 = i36 + 8 | 0;
+   if ((i16 | 0) == 0) {
+    i14 = i6;
+    break;
+   } else {
+    i13 = i16;
+   }
+   return i13 | 0;
+  }
+ } while (0);
+ i36 = HEAP32[3018] | 0;
+ if (i14 >>> 0 <= i36 >>> 0) {
+  i44 = i36 - i14 | 0;
+  i35 = HEAP32[3021] | 0;
+  if (i44 >>> 0 > 15) {
+   i43 = i35;
+   HEAP32[3021] = i43 + i14;
+   HEAP32[3018] = i44;
+   HEAP32[i43 + (i14 + 4) >> 2] = i44 | 1;
+   HEAP32[i43 + i36 >> 2] = i44;
+   HEAP32[i35 + 4 >> 2] = i14 | 3;
+  } else {
+   HEAP32[3018] = 0;
+   HEAP32[3021] = 0;
+   HEAP32[i35 + 4 >> 2] = i36 | 3;
+   i44 = i35 + (i36 + 4) | 0;
+   HEAP32[i44 >> 2] = HEAP32[i44 >> 2] | 1;
+  }
+  i13 = i35 + 8 | 0;
+  return i13 | 0;
+ }
+ i35 = HEAP32[3019] | 0;
+ if (i14 >>> 0 < i35 >>> 0) {
+  i44 = i35 - i14 | 0;
+  HEAP32[3019] = i44;
+  i35 = HEAP32[3022] | 0;
+  i36 = i35;
+  HEAP32[3022] = i36 + i14;
+  HEAP32[i36 + (i14 + 4) >> 2] = i44 | 1;
+  HEAP32[i35 + 4 >> 2] = i14 | 3;
+  i13 = i35 + 8 | 0;
+  return i13 | 0;
+ }
+ do {
+  if ((HEAP32[2976] | 0) == 0) {
+   i35 = _sysconf(8) | 0;
+   if ((i35 - 1 & i35 | 0) == 0) {
+    HEAP32[2978] = i35;
+    HEAP32[2977] = i35;
+    HEAP32[2979] = -1;
+    HEAP32[2980] = -1;
+    HEAP32[2981] = 0;
+    HEAP32[3127] = 0;
+    HEAP32[2976] = (_time(0) | 0) & -16 ^ 1431655768;
+    break;
+   } else {
+    _abort();
+    return 0;
+   }
+  }
+ } while (0);
+ i35 = i14 + 48 | 0;
+ i44 = HEAP32[2978] | 0;
+ i36 = i14 + 47 | 0;
+ i43 = i44 + i36 | 0;
+ i42 = -i44 | 0;
+ i44 = i43 & i42;
+ if (i44 >>> 0 <= i14 >>> 0) {
+  i13 = 0;
+  return i13 | 0;
+ }
+ i40 = HEAP32[3126] | 0;
+ do {
+  if ((i40 | 0) != 0) {
+   i41 = HEAP32[3124] | 0;
+   i37 = i41 + i44 | 0;
+   if (i37 >>> 0 <= i41 >>> 0 | i37 >>> 0 > i40 >>> 0) {
+    i13 = 0;
+   } else {
+    break;
+   }
+   return i13 | 0;
+  }
+ } while (0);
+ L268 : do {
+  if ((HEAP32[3127] & 4 | 0) == 0) {
+   i40 = HEAP32[3022] | 0;
+   L270 : do {
+    if ((i40 | 0) == 0) {
+     i45 = 181;
+    } else {
+     i37 = i40;
+     i41 = 12512;
+     while (1) {
+      i46 = i41 | 0;
+      i38 = HEAP32[i46 >> 2] | 0;
+      if (i38 >>> 0 <= i37 >>> 0) {
+       i47 = i41 + 4 | 0;
+       if ((i38 + (HEAP32[i47 >> 2] | 0) | 0) >>> 0 > i37 >>> 0) {
+        break;
+       }
+      }
+      i38 = HEAP32[i41 + 8 >> 2] | 0;
+      if ((i38 | 0) == 0) {
+       i45 = 181;
+       break L270;
+      } else {
+       i41 = i38;
+      }
+     }
+     if ((i41 | 0) == 0) {
+      i45 = 181;
+      break;
+     }
+     i37 = i43 - (HEAP32[3019] | 0) & i42;
+     if (i37 >>> 0 >= 2147483647) {
+      i48 = 0;
+      break;
+     }
+     i12 = _sbrk(i37 | 0) | 0;
+     i4 = (i12 | 0) == ((HEAP32[i46 >> 2] | 0) + (HEAP32[i47 >> 2] | 0) | 0);
+     i49 = i4 ? i12 : -1;
+     i50 = i4 ? i37 : 0;
+     i51 = i12;
+     i52 = i37;
+     i45 = 190;
+    }
+   } while (0);
+   do {
+    if ((i45 | 0) == 181) {
+     i40 = _sbrk(0) | 0;
+     if ((i40 | 0) == -1) {
+      i48 = 0;
+      break;
+     }
+     i6 = i40;
+     i37 = HEAP32[2977] | 0;
+     i12 = i37 - 1 | 0;
+     if ((i12 & i6 | 0) == 0) {
+      i53 = i44;
+     } else {
+      i53 = i44 - i6 + (i12 + i6 & -i37) | 0;
+     }
+     i37 = HEAP32[3124] | 0;
+     i6 = i37 + i53 | 0;
+     if (!(i53 >>> 0 > i14 >>> 0 & i53 >>> 0 < 2147483647)) {
+      i48 = 0;
+      break;
+     }
+     i12 = HEAP32[3126] | 0;
+     if ((i12 | 0) != 0) {
+      if (i6 >>> 0 <= i37 >>> 0 | i6 >>> 0 > i12 >>> 0) {
+       i48 = 0;
+       break;
+      }
+     }
+     i12 = _sbrk(i53 | 0) | 0;
+     i6 = (i12 | 0) == (i40 | 0);
+     i49 = i6 ? i40 : -1;
+     i50 = i6 ? i53 : 0;
+     i51 = i12;
+     i52 = i53;
+     i45 = 190;
+    }
+   } while (0);
+   L290 : do {
+    if ((i45 | 0) == 190) {
+     i12 = -i52 | 0;
+     if ((i49 | 0) != -1) {
+      i54 = i50;
+      i55 = i49;
+      i45 = 201;
+      break L268;
+     }
+     do {
+      if ((i51 | 0) != -1 & i52 >>> 0 < 2147483647 & i52 >>> 0 < i35 >>> 0) {
+       i6 = HEAP32[2978] | 0;
+       i40 = i36 - i52 + i6 & -i6;
+       if (i40 >>> 0 >= 2147483647) {
+        i56 = i52;
+        break;
+       }
+       if ((_sbrk(i40 | 0) | 0) == -1) {
+        _sbrk(i12 | 0) | 0;
+        i48 = i50;
+        break L290;
+       } else {
+        i56 = i40 + i52 | 0;
+        break;
+       }
+      } else {
+       i56 = i52;
+      }
+     } while (0);
+     if ((i51 | 0) == -1) {
+      i48 = i50;
+     } else {
+      i54 = i56;
+      i55 = i51;
+      i45 = 201;
+      break L268;
+     }
+    }
+   } while (0);
+   HEAP32[3127] = HEAP32[3127] | 4;
+   i57 = i48;
+   i45 = 198;
+  } else {
+   i57 = 0;
+   i45 = 198;
+  }
+ } while (0);
+ do {
+  if ((i45 | 0) == 198) {
+   if (i44 >>> 0 >= 2147483647) {
+    break;
+   }
+   i48 = _sbrk(i44 | 0) | 0;
+   i51 = _sbrk(0) | 0;
+   if (!((i51 | 0) != -1 & (i48 | 0) != -1 & i48 >>> 0 < i51 >>> 0)) {
+    break;
+   }
+   i56 = i51 - i48 | 0;
+   i51 = i56 >>> 0 > (i14 + 40 | 0) >>> 0;
+   i50 = i51 ? i48 : -1;
+   if ((i50 | 0) != -1) {
+    i54 = i51 ? i56 : i57;
+    i55 = i50;
+    i45 = 201;
+   }
+  }
+ } while (0);
+ do {
+  if ((i45 | 0) == 201) {
+   i57 = (HEAP32[3124] | 0) + i54 | 0;
+   HEAP32[3124] = i57;
+   if (i57 >>> 0 > (HEAP32[3125] | 0) >>> 0) {
+    HEAP32[3125] = i57;
+   }
+   i57 = HEAP32[3022] | 0;
+   L310 : do {
+    if ((i57 | 0) == 0) {
+     i44 = HEAP32[3020] | 0;
+     if ((i44 | 0) == 0 | i55 >>> 0 < i44 >>> 0) {
+      HEAP32[3020] = i55;
+     }
+     HEAP32[3128] = i55;
+     HEAP32[3129] = i54;
+     HEAP32[3131] = 0;
+     HEAP32[3025] = HEAP32[2976];
+     HEAP32[3024] = -1;
+     i44 = 0;
+     do {
+      i50 = i44 << 1;
+      i56 = 12104 + (i50 << 2) | 0;
+      HEAP32[12104 + (i50 + 3 << 2) >> 2] = i56;
+      HEAP32[12104 + (i50 + 2 << 2) >> 2] = i56;
+      i44 = i44 + 1 | 0;
+     } while (i44 >>> 0 < 32);
+     i44 = i55 + 8 | 0;
+     if ((i44 & 7 | 0) == 0) {
+      i58 = 0;
+     } else {
+      i58 = -i44 & 7;
+     }
+     i44 = i54 - 40 - i58 | 0;
+     HEAP32[3022] = i55 + i58;
+     HEAP32[3019] = i44;
+     HEAP32[i55 + (i58 + 4) >> 2] = i44 | 1;
+     HEAP32[i55 + (i54 - 36) >> 2] = 40;
+     HEAP32[3023] = HEAP32[2980];
+    } else {
+     i44 = 12512;
+     while (1) {
+      i59 = HEAP32[i44 >> 2] | 0;
+      i60 = i44 + 4 | 0;
+      i61 = HEAP32[i60 >> 2] | 0;
+      if ((i55 | 0) == (i59 + i61 | 0)) {
+       i45 = 213;
+       break;
+      }
+      i56 = HEAP32[i44 + 8 >> 2] | 0;
+      if ((i56 | 0) == 0) {
+       break;
+      } else {
+       i44 = i56;
+      }
+     }
+     do {
+      if ((i45 | 0) == 213) {
+       if ((HEAP32[i44 + 12 >> 2] & 8 | 0) != 0) {
+        break;
+       }
+       i56 = i57;
+       if (!(i56 >>> 0 >= i59 >>> 0 & i56 >>> 0 < i55 >>> 0)) {
+        break;
+       }
+       HEAP32[i60 >> 2] = i61 + i54;
+       i56 = HEAP32[3022] | 0;
+       i50 = (HEAP32[3019] | 0) + i54 | 0;
+       i51 = i56;
+       i48 = i56 + 8 | 0;
+       if ((i48 & 7 | 0) == 0) {
+        i62 = 0;
+       } else {
+        i62 = -i48 & 7;
+       }
+       i48 = i50 - i62 | 0;
+       HEAP32[3022] = i51 + i62;
+       HEAP32[3019] = i48;
+       HEAP32[i51 + (i62 + 4) >> 2] = i48 | 1;
+       HEAP32[i51 + (i50 + 4) >> 2] = 40;
+       HEAP32[3023] = HEAP32[2980];
+       break L310;
+      }
+     } while (0);
+     if (i55 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+      HEAP32[3020] = i55;
+     }
+     i44 = i55 + i54 | 0;
+     i50 = 12512;
+     while (1) {
+      i63 = i50 | 0;
+      if ((HEAP32[i63 >> 2] | 0) == (i44 | 0)) {
+       i45 = 223;
+       break;
+      }
+      i51 = HEAP32[i50 + 8 >> 2] | 0;
+      if ((i51 | 0) == 0) {
+       break;
+      } else {
+       i50 = i51;
+      }
+     }
+     do {
+      if ((i45 | 0) == 223) {
+       if ((HEAP32[i50 + 12 >> 2] & 8 | 0) != 0) {
+        break;
+       }
+       HEAP32[i63 >> 2] = i55;
+       i44 = i50 + 4 | 0;
+       HEAP32[i44 >> 2] = (HEAP32[i44 >> 2] | 0) + i54;
+       i44 = i55 + 8 | 0;
+       if ((i44 & 7 | 0) == 0) {
+        i64 = 0;
+       } else {
+        i64 = -i44 & 7;
+       }
+       i44 = i55 + (i54 + 8) | 0;
+       if ((i44 & 7 | 0) == 0) {
+        i65 = 0;
+       } else {
+        i65 = -i44 & 7;
+       }
+       i44 = i55 + (i65 + i54) | 0;
+       i51 = i44;
+       i48 = i64 + i14 | 0;
+       i56 = i55 + i48 | 0;
+       i52 = i56;
+       i36 = i44 - (i55 + i64) - i14 | 0;
+       HEAP32[i55 + (i64 + 4) >> 2] = i14 | 3;
+       do {
+        if ((i51 | 0) == (HEAP32[3022] | 0)) {
+         i35 = (HEAP32[3019] | 0) + i36 | 0;
+         HEAP32[3019] = i35;
+         HEAP32[3022] = i52;
+         HEAP32[i55 + (i48 + 4) >> 2] = i35 | 1;
+        } else {
+         if ((i51 | 0) == (HEAP32[3021] | 0)) {
+          i35 = (HEAP32[3018] | 0) + i36 | 0;
+          HEAP32[3018] = i35;
+          HEAP32[3021] = i52;
+          HEAP32[i55 + (i48 + 4) >> 2] = i35 | 1;
+          HEAP32[i55 + (i35 + i48) >> 2] = i35;
+          break;
+         }
+         i35 = i54 + 4 | 0;
+         i49 = HEAP32[i55 + (i35 + i65) >> 2] | 0;
+         if ((i49 & 3 | 0) == 1) {
+          i53 = i49 & -8;
+          i47 = i49 >>> 3;
+          L355 : do {
+           if (i49 >>> 0 < 256) {
+            i46 = HEAP32[i55 + ((i65 | 8) + i54) >> 2] | 0;
+            i42 = HEAP32[i55 + (i54 + 12 + i65) >> 2] | 0;
+            i43 = 12104 + (i47 << 1 << 2) | 0;
+            do {
+             if ((i46 | 0) != (i43 | 0)) {
+              if (i46 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+               _abort();
+               return 0;
+              }
+              if ((HEAP32[i46 + 12 >> 2] | 0) == (i51 | 0)) {
+               break;
+              }
+              _abort();
+              return 0;
+             }
+            } while (0);
+            if ((i42 | 0) == (i46 | 0)) {
+             HEAP32[3016] = HEAP32[3016] & ~(1 << i47);
+             break;
+            }
+            do {
+             if ((i42 | 0) == (i43 | 0)) {
+              i66 = i42 + 8 | 0;
+             } else {
+              if (i42 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+               _abort();
+               return 0;
+              }
+              i12 = i42 + 8 | 0;
+              if ((HEAP32[i12 >> 2] | 0) == (i51 | 0)) {
+               i66 = i12;
+               break;
+              }
+              _abort();
+              return 0;
+             }
+            } while (0);
+            HEAP32[i46 + 12 >> 2] = i42;
+            HEAP32[i66 >> 2] = i46;
+           } else {
+            i43 = i44;
+            i12 = HEAP32[i55 + ((i65 | 24) + i54) >> 2] | 0;
+            i41 = HEAP32[i55 + (i54 + 12 + i65) >> 2] | 0;
+            do {
+             if ((i41 | 0) == (i43 | 0)) {
+              i40 = i65 | 16;
+              i6 = i55 + (i35 + i40) | 0;
+              i37 = HEAP32[i6 >> 2] | 0;
+              if ((i37 | 0) == 0) {
+               i4 = i55 + (i40 + i54) | 0;
+               i40 = HEAP32[i4 >> 2] | 0;
+               if ((i40 | 0) == 0) {
+                i67 = 0;
+                break;
+               } else {
+                i68 = i40;
+                i69 = i4;
+               }
+              } else {
+               i68 = i37;
+               i69 = i6;
+              }
+              while (1) {
+               i6 = i68 + 20 | 0;
+               i37 = HEAP32[i6 >> 2] | 0;
+               if ((i37 | 0) != 0) {
+                i68 = i37;
+                i69 = i6;
+                continue;
+               }
+               i6 = i68 + 16 | 0;
+               i37 = HEAP32[i6 >> 2] | 0;
+               if ((i37 | 0) == 0) {
+                break;
+               } else {
+                i68 = i37;
+                i69 = i6;
+               }
+              }
+              if (i69 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+               _abort();
+               return 0;
+              } else {
+               HEAP32[i69 >> 2] = 0;
+               i67 = i68;
+               break;
+              }
+             } else {
+              i6 = HEAP32[i55 + ((i65 | 8) + i54) >> 2] | 0;
+              if (i6 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+               _abort();
+               return 0;
+              }
+              i37 = i6 + 12 | 0;
+              if ((HEAP32[i37 >> 2] | 0) != (i43 | 0)) {
+               _abort();
+               return 0;
+              }
+              i4 = i41 + 8 | 0;
+              if ((HEAP32[i4 >> 2] | 0) == (i43 | 0)) {
+               HEAP32[i37 >> 2] = i41;
+               HEAP32[i4 >> 2] = i6;
+               i67 = i41;
+               break;
+              } else {
+               _abort();
+               return 0;
+              }
+             }
+            } while (0);
+            if ((i12 | 0) == 0) {
+             break;
+            }
+            i41 = i55 + (i54 + 28 + i65) | 0;
+            i46 = 12368 + (HEAP32[i41 >> 2] << 2) | 0;
+            do {
+             if ((i43 | 0) == (HEAP32[i46 >> 2] | 0)) {
+              HEAP32[i46 >> 2] = i67;
+              if ((i67 | 0) != 0) {
+               break;
+              }
+              HEAP32[3017] = HEAP32[3017] & ~(1 << HEAP32[i41 >> 2]);
+              break L355;
+             } else {
+              if (i12 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+               _abort();
+               return 0;
+              }
+              i42 = i12 + 16 | 0;
+              if ((HEAP32[i42 >> 2] | 0) == (i43 | 0)) {
+               HEAP32[i42 >> 2] = i67;
+              } else {
+               HEAP32[i12 + 20 >> 2] = i67;
+              }
+              if ((i67 | 0) == 0) {
+               break L355;
+              }
+             }
+            } while (0);
+            if (i67 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+             _abort();
+             return 0;
+            }
+            HEAP32[i67 + 24 >> 2] = i12;
+            i43 = i65 | 16;
+            i41 = HEAP32[i55 + (i43 + i54) >> 2] | 0;
+            do {
+             if ((i41 | 0) != 0) {
+              if (i41 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+               _abort();
+               return 0;
+              } else {
+               HEAP32[i67 + 16 >> 2] = i41;
+               HEAP32[i41 + 24 >> 2] = i67;
+               break;
+              }
+             }
+            } while (0);
+            i41 = HEAP32[i55 + (i35 + i43) >> 2] | 0;
+            if ((i41 | 0) == 0) {
+             break;
+            }
+            if (i41 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+             _abort();
+             return 0;
+            } else {
+             HEAP32[i67 + 20 >> 2] = i41;
+             HEAP32[i41 + 24 >> 2] = i67;
+             break;
+            }
+           }
+          } while (0);
+          i70 = i55 + ((i53 | i65) + i54) | 0;
+          i71 = i53 + i36 | 0;
+         } else {
+          i70 = i51;
+          i71 = i36;
+         }
+         i35 = i70 + 4 | 0;
+         HEAP32[i35 >> 2] = HEAP32[i35 >> 2] & -2;
+         HEAP32[i55 + (i48 + 4) >> 2] = i71 | 1;
+         HEAP32[i55 + (i71 + i48) >> 2] = i71;
+         i35 = i71 >>> 3;
+         if (i71 >>> 0 < 256) {
+          i47 = i35 << 1;
+          i49 = 12104 + (i47 << 2) | 0;
+          i41 = HEAP32[3016] | 0;
+          i12 = 1 << i35;
+          do {
+           if ((i41 & i12 | 0) == 0) {
+            HEAP32[3016] = i41 | i12;
+            i72 = i49;
+            i73 = 12104 + (i47 + 2 << 2) | 0;
+           } else {
+            i35 = 12104 + (i47 + 2 << 2) | 0;
+            i46 = HEAP32[i35 >> 2] | 0;
+            if (i46 >>> 0 >= (HEAP32[3020] | 0) >>> 0) {
+             i72 = i46;
+             i73 = i35;
+             break;
+            }
+            _abort();
+            return 0;
+           }
+          } while (0);
+          HEAP32[i73 >> 2] = i52;
+          HEAP32[i72 + 12 >> 2] = i52;
+          HEAP32[i55 + (i48 + 8) >> 2] = i72;
+          HEAP32[i55 + (i48 + 12) >> 2] = i49;
+          break;
+         }
+         i47 = i56;
+         i12 = i71 >>> 8;
+         do {
+          if ((i12 | 0) == 0) {
+           i74 = 0;
+          } else {
+           if (i71 >>> 0 > 16777215) {
+            i74 = 31;
+            break;
+           }
+           i41 = (i12 + 1048320 | 0) >>> 16 & 8;
+           i53 = i12 << i41;
+           i35 = (i53 + 520192 | 0) >>> 16 & 4;
+           i46 = i53 << i35;
+           i53 = (i46 + 245760 | 0) >>> 16 & 2;
+           i42 = 14 - (i35 | i41 | i53) + (i46 << i53 >>> 15) | 0;
+           i74 = i71 >>> ((i42 + 7 | 0) >>> 0) & 1 | i42 << 1;
+          }
+         } while (0);
+         i12 = 12368 + (i74 << 2) | 0;
+         HEAP32[i55 + (i48 + 28) >> 2] = i74;
+         HEAP32[i55 + (i48 + 20) >> 2] = 0;
+         HEAP32[i55 + (i48 + 16) >> 2] = 0;
+         i49 = HEAP32[3017] | 0;
+         i42 = 1 << i74;
+         if ((i49 & i42 | 0) == 0) {
+          HEAP32[3017] = i49 | i42;
+          HEAP32[i12 >> 2] = i47;
+          HEAP32[i55 + (i48 + 24) >> 2] = i12;
+          HEAP32[i55 + (i48 + 12) >> 2] = i47;
+          HEAP32[i55 + (i48 + 8) >> 2] = i47;
+          break;
+         }
+         if ((i74 | 0) == 31) {
+          i75 = 0;
+         } else {
+          i75 = 25 - (i74 >>> 1) | 0;
+         }
+         i42 = i71 << i75;
+         i49 = HEAP32[i12 >> 2] | 0;
+         while (1) {
+          if ((HEAP32[i49 + 4 >> 2] & -8 | 0) == (i71 | 0)) {
+           break;
+          }
+          i76 = i49 + 16 + (i42 >>> 31 << 2) | 0;
+          i12 = HEAP32[i76 >> 2] | 0;
+          if ((i12 | 0) == 0) {
+           i45 = 296;
+           break;
+          } else {
+           i42 = i42 << 1;
+           i49 = i12;
+          }
+         }
+         if ((i45 | 0) == 296) {
+          if (i76 >>> 0 < (HEAP32[3020] | 0) >>> 0) {
+           _abort();
+           return 0;
+          } else {
+           HEAP32[i76 >> 2] = i47;
+           HEAP32[i55 + (i48 + 24) >> 2] = i49;
+           HEAP32[i55 + (i48 + 12) >> 2] = i47;
+           HEAP32[i55 + (i48 + 8) >> 2] = i47;
+           break;
+          }
+         }
+         i42 = i49 + 8 | 0;
+         i12 = HEAP32[i42 >> 2] | 0;
+         i53 = HEAP32[3020] | 0;
+         if (i49 >>> 0 < i53 >>> 0) {
+          _abort();
+          return 0;
+         }
+         if (i12 >>> 0 < i53 >>> 0) {
+          _abort();
+          return 0;
+         } else {
+          HEAP32[i12 + 12 >> 2] = i47;
+          HEAP32[i42 >> 2] = i47;
+          HEAP32[i55 + (i48 + 8) >> 2] = i12;
+          HEAP32[i55 + (i48 + 12) >> 2] = i49;
+          HEAP32[i55 + (i48 + 24) >> 2] = 0;
+          break;
+         }
+        }
+       } while (0);
+       i13 = i55 + (i64 | 8) | 0;
+       return i13 | 0;
+      }
+     } while (0);
+     i50 = i57;
+     i48 = 12512;
+     while (1) {
+      i77 = HEAP32[i48 >> 2] | 0;
+      if (i77 >>> 0 <= i50 >>> 0) {
+       i78 = HEAP32[i48 + 4 >> 2] | 0;
+       i79 = i77 + i78 | 0;
+       if (i79 >>> 0 > i50 >>> 0) {
+        break;
+       }
+      }
+      i48 = HEAP32[i48 + 8 >> 2] | 0;
+     }
+     i48 = i77 + (i78 - 39) | 0;
+     if ((i48 & 7 | 0) == 0) {
+      i80 = 0;
+     } else {
+      i80 = -i48 & 7;
+     }
+     i48 = i77 + (i78 - 47 + i80) | 0;
+     i56 = i48 >>> 0 < (i57 + 16 | 0) >>> 0 ? i50 : i48;
+     i48 = i56 + 8 | 0;
+     i52 = i55 + 8 | 0;
+     if ((i52 & 7 | 0) == 0) {
+      i81 = 0;
+     } else {
+      i81 = -i52 & 7;
+     }
+     i52 = i54 - 40 - i81 | 0;
+     HEAP32[3022] = i55 + i81;
+     HEAP32[3019] = i52;
+     HEAP32[i55 + (i81 + 4) >> 2] = i52 | 1;
+     HEAP32[i55 + (i54 - 36) >> 2] = 40;
+     HEAP32[3023] = HEAP32[2980];
+     HEAP32[i56 + 4 >> 2] = 27;
+     HEAP32[i48 >> 2] = HEAP32[3128];
+     HEAP32[i48 + 4 >> 2] = HEAP32[12516 >> 2];
+     HEAP32[i48 + 8 >> 2] = HEAP32[12520 >> 2];
+     HEAP32[i48 + 12 >> 2] = HEAP32[12524 >> 2];
+     HEAP32[3128] = i55;
+     HEAP32[3129] = i54;
+     HEAP32[3131] = 0;
+     HEAP32[3130] = i48;
+     i48 = i56 + 28 | 0;
+     HEAP32[i48 >> 2] = 7;
+     if ((i56 + 32 | 0) >>> 0 < i79 >>> 0) {
+      i52 = i48;
+      while (1) {
+       i48 = i52 + 4 | 0;