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−/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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− * vim: set ts=8 sts=4 et sw=4 tw=99:
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− * This Source Code Form is subject to the terms of the Mozilla Public
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− * License, v. 2.0. If a copy of the MPL was not distributed with this
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− * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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−
+
−#include "vm/ErrorReporting.h"
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−
+
−#include "mozilla/Move.h"
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−
+
−#include <stdarg.h>
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−
+
−#include "jscntxt.h"
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−#include "jsexn.h"
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−#include "jsfriendapi.h"
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−
+
−#include "jscntxtinlines.h"
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−
+
−using mozilla::Move;
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−
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−using JS::HandleObject;
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−using JS::HandleValue;
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−using JS::UniqueTwoByteChars;
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−
+
−void
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−js::CallWarningReporter(JSContext* cx, JSErrorReport* reportp)
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−{
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−    MOZ_ASSERT(reportp);
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−    MOZ_ASSERT(JSREPORT_IS_WARNING(reportp->flags));
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−
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−    if (JS::WarningReporter warningReporter = cx->runtime()->warningReporter)
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−        warningReporter(cx, reportp);
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−}
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−
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−void
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−js::CompileError::throwError(JSContext* cx)
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−{
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−    if (JSREPORT_IS_WARNING(flags)) {
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−        CallWarningReporter(cx, this);
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−        return;
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−    }
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−
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−    // If there's a runtime exception type associated with this error
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−    // number, set that as the pending exception.  For errors occuring at
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−    // compile time, this is very likely to be a JSEXN_SYNTAXERR.
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−    //
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−    // If an exception is thrown but not caught, the JSREPORT_EXCEPTION
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−    // flag will be set in report.flags.  Proper behavior for an error
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−    // reporter is to ignore a report with this flag for all but top-level
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−    // compilation errors.  The exception will remain pending, and so long
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−    // as the non-top-level "load", "eval", or "compile" native function
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−    // returns false, the top-level reporter will eventually receive the
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−    // uncaught exception report.
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−    ErrorToException(cx, this, nullptr, nullptr);
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−}
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−
+
−bool
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−js::ReportCompileWarning(JSContext* cx, ErrorMetadata&& metadata, UniquePtr<JSErrorNotes> notes,
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−                         unsigned flags, unsigned errorNumber, va_list args)
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−{
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−    // On the active thread, report the error immediately. When compiling off
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−    // thread, save the error so that the thread finishing the parse can report
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−    // it later.
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−    CompileError tempErr;
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−    CompileError* err = &tempErr;
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−    if (cx->helperThread() && !cx->addPendingCompileError(&err))
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−        return false;
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−
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−    err->notes = Move(notes);
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−    err->flags = flags;
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−    err->errorNumber = errorNumber;
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−
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−    err->filename = metadata.filename;
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−    err->lineno = metadata.lineNumber;
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−    err->column = metadata.columnNumber;
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−    err->isMuted = metadata.isMuted;
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−
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−    if (UniqueTwoByteChars lineOfContext = Move(metadata.lineOfContext))
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−        err->initOwnedLinebuf(lineOfContext.release(), metadata.lineLength, metadata.tokenOffset);
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−
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−    if (!ExpandErrorArgumentsVA(cx, GetErrorMessage, nullptr, errorNumber,
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−                                nullptr, ArgumentsAreLatin1, err, args))
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−    {
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−        return false;
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−    }
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−
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−    if (!cx->helperThread())
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−        err->throwError(cx);
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−
+
−    return true;
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−}
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−
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−void
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−js::ReportCompileError(JSContext* cx, ErrorMetadata&& metadata, UniquePtr<JSErrorNotes> notes,
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−                       unsigned flags, unsigned errorNumber, va_list args)
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−{
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−    // On the active thread, report the error immediately. When compiling off
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−    // thread, save the error so that the thread finishing the parse can report
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−    // it later.
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−    CompileError tempErr;
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−    CompileError* err = &tempErr;
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−    if (cx->helperThread() && !cx->addPendingCompileError(&err))
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−        return;
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−
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−    err->notes = Move(notes);
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−    err->flags = flags;
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−    err->errorNumber = errorNumber;
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−
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−    err->filename = metadata.filename;
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−    err->lineno = metadata.lineNumber;
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−    err->column = metadata.columnNumber;
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−    err->isMuted = metadata.isMuted;
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−
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−    if (UniqueTwoByteChars lineOfContext = Move(metadata.lineOfContext))
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−        err->initOwnedLinebuf(lineOfContext.release(), metadata.lineLength, metadata.tokenOffset);
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−
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−    if (!ExpandErrorArgumentsVA(cx, GetErrorMessage, nullptr, errorNumber,
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−                                nullptr, ArgumentsAreLatin1, err, args))
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−    {
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−        return;
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−    }
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−
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−    if (!cx->helperThread())
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−        err->throwError(cx);
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−}
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−
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−namespace {
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−
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−class MOZ_STACK_CLASS ReportExceptionClosure
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−  : public js::ScriptEnvironmentPreparer::Closure
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−{
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−  public:
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−    explicit ReportExceptionClosure(HandleValue& exn)
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−      : exn_(exn)
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−    {
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−    }
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−
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−    bool operator()(JSContext* cx) override
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−    {
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−        cx->setPendingException(exn_);
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−        return false;
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−    }
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−
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−  private:
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−    HandleValue& exn_;
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−};
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−
+
−} // anonymous namespace
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−
+
−void
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−js::ReportErrorToGlobal(JSContext* cx, HandleObject global, HandleValue error)
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−{
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−    MOZ_ASSERT(!cx->isExceptionPending());
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−#ifdef DEBUG
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−    // No assertSameCompartment version that doesn't take JSContext...
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−    if (error.isObject()) {
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−        AssertSameCompartment(global, &error.toObject());
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−    }
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−#endif // DEBUG
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−    ReportExceptionClosure report(error);
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−    PrepareScriptEnvironmentAndInvoke(cx, global, report);
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−}