js/src/vm/SelfHosting.h
author Tooru Fujisawa <arai_a@mac.com>
Wed, 08 May 2019 16:51:21 +0000
changeset 531914 bd2ad6987449e5be5014d0e35ccbe599159c9e82
parent 507628 85654ecf0d0c960eb4dcef8a592c8c744964a19c
child 534000 8fb74fcbc12c83a230f700196e83193e6749d740
permissions -rw-r--r--
Bug 1546232 - Simplify value in extended slot of self-hosted functions. r=anba Differential Revision: https://phabricator.services.mozilla.com/D28769

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: set ts=8 sts=2 et sw=2 tw=80:
 * 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/. */

#ifndef vm_SelfHosting_h_
#define vm_SelfHosting_h_

#include "jsapi.h"
#include "NamespaceImports.h"

#include "vm/Stack.h"

namespace js {

/*
 * Check whether the given JSFunction is a self-hosted function whose
 * self-hosted name is the given name.
 */
bool IsSelfHostedFunctionWithName(JSFunction* fun, JSAtom* name);

/*
 * Returns the name of the function's binding in the self-hosted global.
 *
 * This returns a non-null value only when:
 *   * This is a top level function declaration in the self-hosted global.
 *   * And either:
 *     * This function is not cloned and `_SetCanonicalName` has been called to
 *       set a different function name.
 *     * This function is cloned.
 *
 * For functions not cloned and not `_SetCanonicalName`ed, use
 * `fun->explicitName()` instead.
 */
JSAtom* GetSelfHostedFunctionName(JSFunction* fun);

bool IsCallSelfHostedNonGenericMethod(NativeImpl impl);

bool ReportIncompatibleSelfHostedMethod(JSContext* cx, const CallArgs& args);

/* Get the compile options used when compiling self hosted code. */
void FillSelfHostingCompileOptions(JS::CompileOptions& options);

#ifdef DEBUG
/*
 * Calls a self-hosted function by name.
 *
 * This function is only available in debug mode, because it always atomizes
 * its |name| parameter. Use the alternative function below in non-debug code.
 */
bool CallSelfHostedFunction(JSContext* cx, char const* name, HandleValue thisv,
                            const AnyInvokeArgs& args, MutableHandleValue rval);
#endif

/*
 * Calls a self-hosted function by name.
 */
bool CallSelfHostedFunction(JSContext* cx, HandlePropertyName name,
                            HandleValue thisv, const AnyInvokeArgs& args,
                            MutableHandleValue rval);

bool intrinsic_StringSplitString(JSContext* cx, unsigned argc, JS::Value* vp);

bool intrinsic_NewArrayIterator(JSContext* cx, unsigned argc, JS::Value* vp);

bool intrinsic_NewStringIterator(JSContext* cx, unsigned argc, JS::Value* vp);

bool intrinsic_NewRegExpStringIterator(JSContext* cx, unsigned argc,
                                       JS::Value* vp);

bool intrinsic_IsSuspendedGenerator(JSContext* cx, unsigned argc,
                                    JS::Value* vp);

} /* namespace js */

#endif /* vm_SelfHosting_h_ */