-// -*- mode: c++; c-basic-offset: 4 -*-
/*
- * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2006, 2007, 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSBase.h"
+#include "JSBasePrivate.h"
#include "APICast.h"
-#include <kjs/ExecState.h>
-#include <kjs/JSGlobalObject.h>
-#include <kjs/JSLock.h>
-#include <kjs/interpreter.h>
-#include <kjs/object.h>
+#include "CallFrame.h"
+#include "Completion.h"
+#include "Exception.h"
+#include "GCActivityCallback.h"
+#include "InitializeThreading.h"
+#include "JSGlobalObject.h"
+#include "JSLock.h"
+#include "JSObject.h"
+#include "OpaqueJSString.h"
+#include "JSCInlines.h"
+#include "SourceCode.h"
+#include <wtf/text/StringHash.h>
-using namespace KJS;
+#if ENABLE(REMOTE_INSPECTOR)
+#include "JSGlobalObjectInspectorController.h"
+#endif
+
+using namespace JSC;
JSValueRef JSEvaluateScript(JSContextRef ctx, JSStringRef script, JSObjectRef thisObject, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception)
{
- JSLock lock;
+ if (!ctx) {
+ ASSERT_NOT_REACHED();
+ return 0;
+ }
ExecState* exec = toJS(ctx);
+ JSLockHolder locker(exec);
+
JSObject* jsThisObject = toJS(thisObject);
- UString::Rep* scriptRep = toJS(script);
- UString::Rep* sourceURLRep = sourceURL ? toJS(sourceURL) : &UString::Rep::null;
- // Interpreter::evaluate sets "this" to the global object if it is NULL
- Completion completion = Interpreter::evaluate(exec->dynamicGlobalObject()->globalExec(), UString(sourceURLRep), startingLineNumber, UString(scriptRep), jsThisObject);
- if (completion.complType() == Throw) {
+ startingLineNumber = std::max(1, startingLineNumber);
+
+ // evaluate sets "this" to the global object if it is NULL
+ JSGlobalObject* globalObject = exec->vmEntryGlobalObject();
+ SourceCode source = makeSource(script->string(), sourceURL ? sourceURL->string() : String(), TextPosition(OrdinalNumber::fromOneBasedInt(startingLineNumber), OrdinalNumber::first()));
+
+ NakedPtr<Exception> evaluationException;
+ JSValue returnValue = evaluate(globalObject->globalExec(), source, jsThisObject, evaluationException);
+
+ if (evaluationException) {
if (exception)
- *exception = toRef(completion.value());
+ *exception = toRef(exec, evaluationException->value());
+#if ENABLE(REMOTE_INSPECTOR)
+ // FIXME: If we have a debugger attached we could learn about ParseError exceptions through
+ // ScriptDebugServer::sourceParsed and this path could produce a duplicate warning. The
+ // Debugger path is currently ignored by inspector.
+ // NOTE: If we don't have a debugger, this SourceCode will be forever lost to the inspector.
+ // We could stash it in the inspector in case an inspector is ever opened.
+ globalObject->inspectorController().reportAPIException(exec, evaluationException);
+#endif
return 0;
}
-
- if (completion.value())
- return toRef(completion.value());
-
+
+ if (returnValue)
+ return toRef(exec, returnValue);
+
// happens, for example, when the only statement is an empty (';') statement
- return toRef(jsUndefined());
+ return toRef(exec, jsUndefined());
}
bool JSCheckScriptSyntax(JSContextRef ctx, JSStringRef script, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception)
{
- JSLock lock;
-
+ if (!ctx) {
+ ASSERT_NOT_REACHED();
+ return false;
+ }
ExecState* exec = toJS(ctx);
- UString::Rep* scriptRep = toJS(script);
- UString::Rep* sourceURLRep = sourceURL ? toJS(sourceURL) : &UString::Rep::null;
- Completion completion = Interpreter::checkSyntax(exec->dynamicGlobalObject()->globalExec(), UString(sourceURLRep), startingLineNumber, UString(scriptRep));
- if (completion.complType() == Throw) {
+ JSLockHolder locker(exec);
+
+ startingLineNumber = std::max(1, startingLineNumber);
+
+ SourceCode source = makeSource(script->string(), sourceURL ? sourceURL->string() : String(), TextPosition(OrdinalNumber::fromOneBasedInt(startingLineNumber), OrdinalNumber::first()));
+
+ JSValue syntaxException;
+ bool isValidSyntax = checkSyntax(exec->vmEntryGlobalObject()->globalExec(), source, &syntaxException);
+
+ if (!isValidSyntax) {
if (exception)
- *exception = toRef(completion.value());
+ *exception = toRef(exec, syntaxException);
+#if ENABLE(REMOTE_INSPECTOR)
+ Exception* exception = Exception::create(exec->vm(), syntaxException);
+ exec->vmEntryGlobalObject()->inspectorController().reportAPIException(exec, exception);
+#endif
return false;
}
-
+
return true;
}
-void JSGarbageCollect(JSContextRef)
+void JSGarbageCollect(JSContextRef ctx)
{
- JSLock lock;
- if (!Collector::isBusy())
- Collector::collect();
- // FIXME: Perhaps we should trigger a second mark and sweep
- // once the garbage collector is done if this is called when
- // the collector is busy.
+ // We used to recommend passing NULL as an argument here, which caused the only heap to be collected.
+ // As there is no longer a shared heap, the previously recommended usage became a no-op (but the GC
+ // will happen when the context group is destroyed).
+ // Because the function argument was originally ignored, some clients may pass their released context here,
+ // in which case there is a risk of crashing if another thread performs GC on the same heap in between.
+ if (!ctx)
+ return;
+
+ ExecState* exec = toJS(ctx);
+ JSLockHolder locker(exec);
+
+ exec->vm().heap.reportAbandonedObjectGraph();
}
+
+void JSReportExtraMemoryCost(JSContextRef ctx, size_t size)
+{
+ if (!ctx) {
+ ASSERT_NOT_REACHED();
+ return;
+ }
+ ExecState* exec = toJS(ctx);
+ JSLockHolder locker(exec);
+
+ exec->vm().heap.deprecatedReportExtraMemory(size);
+}
+
+extern "C" JS_EXPORT void JSSynchronousGarbageCollectForDebugging(JSContextRef);
+extern "C" JS_EXPORT void JSSynchronousEdenCollectForDebugging(JSContextRef);
+
+void JSSynchronousGarbageCollectForDebugging(JSContextRef ctx)
+{
+ if (!ctx)
+ return;
+
+ ExecState* exec = toJS(ctx);
+ JSLockHolder locker(exec);
+ exec->vm().heap.collectAllGarbage();
+}
+
+void JSSynchronousEdenCollectForDebugging(JSContextRef ctx)
+{
+ if (!ctx)
+ return;
+
+ ExecState* exec = toJS(ctx);
+ JSLockHolder locker(exec);
+ exec->vm().heap.collect(EdenCollection);
+}
+
+void JSDisableGCTimer(void)
+{
+ GCActivityCallback::s_shouldCreateGCTimer = false;
+}
+
+#if PLATFORM(IOS)
+// FIXME: Expose symbols to tell dyld where to find JavaScriptCore on older versions of
+// iOS (< 7.0). We should remove these symbols once we no longer need to support such
+// versions of iOS. See <rdar://problem/13696872> for more details.
+JS_EXPORT extern const char iosInstallName43 __asm("$ld$install_name$os4.3$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore");
+JS_EXPORT extern const char iosInstallName50 __asm("$ld$install_name$os5.0$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore");
+JS_EXPORT extern const char iosInstallName51 __asm("$ld$install_name$os5.1$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore");
+JS_EXPORT extern const char iosInstallName60 __asm("$ld$install_name$os6.0$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore");
+JS_EXPORT extern const char iosInstallName61 __asm("$ld$install_name$os6.1$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore");
+
+const char iosInstallName43 = 0;
+const char iosInstallName50 = 0;
+const char iosInstallName51 = 0;
+const char iosInstallName60 = 0;
+const char iosInstallName61 = 0;
+#endif