Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 170 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/ExceptionHelpers.cpp b/Source/JavaScriptCore/runtime/ExceptionHelpers.cpp
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+++ b/Source/JavaScriptCore/runtime/ExceptionHelpers.cpp
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+/*
+ * Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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.
+ */
+
+#include "config.h"
+#include "ExceptionHelpers.h"
+
+#include "CodeBlock.h"
+#include "CallFrame.h"
+#include "ErrorInstance.h"
+#include "JSGlobalObjectFunctions.h"
+#include "JSObject.h"
+#include "JSNotAnObject.h"
+#include "Interpreter.h"
+#include "Nodes.h"
+#include "UStringConcatenate.h"
+
+namespace JSC {
+
+ASSERT_HAS_TRIVIAL_DESTRUCTOR(InterruptedExecutionError);
+
+const ClassInfo InterruptedExecutionError::s_info = { "InterruptedExecutionError", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(InterruptedExecutionError) };
+
+JSValue InterruptedExecutionError::defaultValue(const JSObject*, ExecState* exec, PreferredPrimitiveType hint)
+{
+    if (hint == PreferString)
+        return jsNontrivialString(exec, "JavaScript execution exceeded timeout.");
+    return JSValue(std::numeric_limits<double>::quiet_NaN());
+}
+
+JSObject* createInterruptedExecutionException(JSGlobalData* globalData)
+{
+    return InterruptedExecutionError::create(*globalData);
+}
+
+bool isInterruptedExecutionException(JSObject* object)
+{
+    return object->inherits(&InterruptedExecutionError::s_info);
+}
+
+bool isInterruptedExecutionException(JSValue value)
+{
+    return value.inherits(&InterruptedExecutionError::s_info);
+}
+
+
+ASSERT_HAS_TRIVIAL_DESTRUCTOR(TerminatedExecutionError);
+
+const ClassInfo TerminatedExecutionError::s_info = { "TerminatedExecutionError", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(TerminatedExecutionError) };
+
+JSValue TerminatedExecutionError::defaultValue(const JSObject*, ExecState* exec, PreferredPrimitiveType hint)
+{
+    if (hint == PreferString)
+        return jsNontrivialString(exec, "JavaScript execution terminated.");
+    return JSValue(std::numeric_limits<double>::quiet_NaN());
+}
+
+JSObject* createTerminatedExecutionException(JSGlobalData* globalData)
+{
+    return TerminatedExecutionError::create(*globalData);
+}
+
+bool isTerminatedExecutionException(JSObject* object)
+{
+    return object->inherits(&TerminatedExecutionError::s_info);
+}
+
+bool isTerminatedExecutionException(JSValue value)
+{
+    return value.inherits(&TerminatedExecutionError::s_info);
+}
+
+
+JSObject* createStackOverflowError(ExecState* exec)
+{
+    return createRangeError(exec, "Maximum call stack size exceeded.");
+}
+
+JSObject* createStackOverflowError(JSGlobalObject* globalObject)
+{
+    return createRangeError(globalObject, "Maximum call stack size exceeded.");
+}
+
+JSObject* createUndefinedVariableError(ExecState* exec, const Identifier& ident)
+{
+    UString message(makeUString("Can't find variable: ", ident.ustring()));
+    return createReferenceError(exec, message);
+}
+    
+JSObject* createInvalidParamError(ExecState* exec, const char* op, JSValue value)
+{
+    UString errorMessage = makeUString("'", value.toString(exec), "' is not a valid argument for '", op, "'");
+    JSObject* exception = createTypeError(exec, errorMessage);
+    ASSERT(exception->isErrorInstance());
+    static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
+    return exception;
+}
+
+JSObject* createNotAConstructorError(ExecState* exec, JSValue value)
+{
+    UString errorMessage = makeUString("'", value.toString(exec), "' is not a constructor");
+    JSObject* exception = createTypeError(exec, errorMessage);
+    ASSERT(exception->isErrorInstance());
+    static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
+    return exception;
+}
+
+JSObject* createNotAFunctionError(ExecState* exec, JSValue value)
+{
+    UString errorMessage = makeUString("'", value.toString(exec), "' is not a function");
+    JSObject* exception = createTypeError(exec, errorMessage);
+    ASSERT(exception->isErrorInstance());
+    static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
+    return exception;
+}
+
+JSObject* createNotAnObjectError(ExecState* exec, JSValue value)
+{
+    UString errorMessage = makeUString("'", value.toString(exec), "' is not an object");
+    JSObject* exception = createTypeError(exec, errorMessage);
+    ASSERT(exception->isErrorInstance());
+    static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
+    return exception;
+}
+
+JSObject* createErrorForInvalidGlobalAssignment(ExecState* exec, const UString& propertyName)
+{
+    return createReferenceError(exec, makeUString("Strict mode forbids implicit creation of global property '", propertyName, "'"));
+}
+
+JSObject* createOutOfMemoryError(JSGlobalObject* globalObject)
+{
+    return createError(globalObject, "Out of memory");
+}
+
+JSObject* throwOutOfMemoryError(ExecState* exec)
+{
+    return throwError(exec, createOutOfMemoryError(exec->lexicalGlobalObject()));
+}
+
+JSObject* throwStackOverflowError(ExecState* exec)
+{
+    return throwError(exec, createStackOverflowError(exec));
+}
+
+} // namespace JSC