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* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "JSBasePrivate.h"
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#include "OpaqueJSString.h"
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#include "SourceCode.h"
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#include <interpreter/CallFrame.h>
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#include <runtime/InitializeThreading.h>
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#include <runtime/Completion.h>
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#include <runtime/JSGlobalObject.h>
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#include <runtime/JSLock.h>
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#include <runtime/JSObject.h>
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#include <wtf/text/StringHash.h>
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JSValueRef JSEvaluateScript(JSContextRef ctx, JSStringRef script, JSObjectRef thisObject, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception)
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ExecState* exec = toJS(ctx);
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APIEntryShim entryShim(exec);
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JSObject* jsThisObject = toJS(thisObject);
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// evaluate sets "this" to the global object if it is NULL
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JSGlobalObject* globalObject = exec->dynamicGlobalObject();
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SourceCode source = makeSource(script->string(), sourceURL->string(), TextPosition(OrdinalNumber::fromOneBasedInt(startingLineNumber), OrdinalNumber::first()));
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JSValue evaluationException;
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JSValue returnValue = evaluate(globalObject->globalExec(), source, jsThisObject, &evaluationException);
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if (evaluationException) {
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*exception = toRef(exec, evaluationException);
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return toRef(exec, returnValue);
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// happens, for example, when the only statement is an empty (';') statement
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return toRef(exec, jsUndefined());
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bool JSCheckScriptSyntax(JSContextRef ctx, JSStringRef script, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception)
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ExecState* exec = toJS(ctx);
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APIEntryShim entryShim(exec);
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SourceCode source = makeSource(script->string(), sourceURL->string(), TextPosition(OrdinalNumber::fromOneBasedInt(startingLineNumber), OrdinalNumber::first()));
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JSValue syntaxException;
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bool isValidSyntax = checkSyntax(exec->dynamicGlobalObject()->globalExec(), source, &syntaxException);
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*exception = toRef(exec, syntaxException);
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void JSGarbageCollect(JSContextRef ctx)
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// We used to recommend passing NULL as an argument here, which caused the only heap to be collected.
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// As there is no longer a shared heap, the previously recommended usage became a no-op (but the GC
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// will happen when the context group is destroyed).
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// Because the function argument was originally ignored, some clients may pass their released context here,
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// in which case there is a risk of crashing if another thread performs GC on the same heap in between.
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ExecState* exec = toJS(ctx);
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APIEntryShim entryShim(exec, false);
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exec->globalData().heap.reportAbandonedObjectGraph();
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void JSReportExtraMemoryCost(JSContextRef ctx, size_t size)
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ExecState* exec = toJS(ctx);
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APIEntryShim entryShim(exec);
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exec->globalData().heap.reportExtraMemoryCost(size);