diff -r 000000000000 -r 4f2f89ce4247 JavaScriptCore/runtime/Error.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/JavaScriptCore/runtime/Error.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,198 @@
+/*
+ *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ *  Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
+ *  Copyright (C) 2007 Eric Seidel (eric@webkit.org)
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "Error.h"
+
+#include "ConstructData.h"
+#include "ErrorConstructor.h"
+#include "JSFunction.h"
+#include "JSGlobalObject.h"
+#include "JSObject.h"
+#include "JSString.h"
+#include "NativeErrorConstructor.h"
+#include "SourceCode.h"
+
+namespace JSC {
+
+static const char* linePropertyName = "line";
+static const char* sourceIdPropertyName = "sourceId";
+static const char* sourceURLPropertyName = "sourceURL";
+static const char* expressionBeginOffsetPropertyName = "expressionBeginOffset";
+static const char* expressionCaretOffsetPropertyName = "expressionCaretOffset";
+static const char* expressionEndOffsetPropertyName = "expressionEndOffset";
+
+JSObject* createError(JSGlobalObject* globalObject, const UString& message)
+{
+    ASSERT(!message.isEmpty());
+    return ErrorInstance::create(globalObject->globalData(), globalObject->errorStructure(), message);
+}
+
+JSObject* createEvalError(JSGlobalObject* globalObject, const UString& message)
+{
+    ASSERT(!message.isEmpty());
+    return ErrorInstance::create(globalObject->globalData(), globalObject->evalErrorConstructor()->errorStructure(), message);
+}
+
+JSObject* createRangeError(JSGlobalObject* globalObject, const UString& message)
+{
+    ASSERT(!message.isEmpty());
+    return ErrorInstance::create(globalObject->globalData(), globalObject->rangeErrorConstructor()->errorStructure(), message);
+}
+
+JSObject* createReferenceError(JSGlobalObject* globalObject, const UString& message)
+{
+    ASSERT(!message.isEmpty());
+    return ErrorInstance::create(globalObject->globalData(), globalObject->referenceErrorConstructor()->errorStructure(), message);
+}
+
+JSObject* createSyntaxError(JSGlobalObject* globalObject, const UString& message)
+{
+    ASSERT(!message.isEmpty());
+    return ErrorInstance::create(globalObject->globalData(), globalObject->syntaxErrorConstructor()->errorStructure(), message);
+}
+
+JSObject* createTypeError(JSGlobalObject* globalObject, const UString& message)
+{
+    ASSERT(!message.isEmpty());
+    return ErrorInstance::create(globalObject->globalData(), globalObject->typeErrorConstructor()->errorStructure(), message);
+}
+
+JSObject* createURIError(JSGlobalObject* globalObject, const UString& message)
+{
+    ASSERT(!message.isEmpty());
+    return ErrorInstance::create(globalObject->globalData(), globalObject->URIErrorConstructor()->errorStructure(), message);
+}
+
+JSObject* createError(ExecState* exec, const UString& message)
+{
+    return createError(exec->lexicalGlobalObject(), message);
+}
+
+JSObject* createEvalError(ExecState* exec, const UString& message)
+{
+    return createEvalError(exec->lexicalGlobalObject(), message);
+}
+
+JSObject* createRangeError(ExecState* exec, const UString& message)
+{
+    return createRangeError(exec->lexicalGlobalObject(), message);
+}
+
+JSObject* createReferenceError(ExecState* exec, const UString& message)
+{
+    return createReferenceError(exec->lexicalGlobalObject(), message);
+}
+
+JSObject* createSyntaxError(ExecState* exec, const UString& message)
+{
+    return createSyntaxError(exec->lexicalGlobalObject(), message);
+}
+
+JSObject* createTypeError(ExecState* exec, const UString& message)
+{
+    return createTypeError(exec->lexicalGlobalObject(), message);
+}
+
+JSObject* createURIError(ExecState* exec, const UString& message)
+{
+    return createURIError(exec->lexicalGlobalObject(), message);
+}
+
+static void addErrorSourceInfo(JSGlobalData* globalData, JSObject* error, int line, const SourceCode& source)
+{
+    intptr_t sourceID = source.provider()->asID();
+    const UString& sourceURL = source.provider()->url();
+
+    if (line != -1)
+        error->putWithAttributes(globalData, Identifier(globalData, linePropertyName), jsNumber(globalData, line), ReadOnly | DontDelete);
+    if (sourceID != -1)
+        error->putWithAttributes(globalData, Identifier(globalData, sourceIdPropertyName), jsNumber(globalData, (double)sourceID), ReadOnly | DontDelete);
+    if (!sourceURL.isNull())
+        error->putWithAttributes(globalData, Identifier(globalData, sourceURLPropertyName), jsString(globalData, sourceURL), ReadOnly | DontDelete);
+}
+
+static void addErrorDivotInfo(JSGlobalData* globalData, JSObject* error, int divotPoint, int startOffset, int endOffset, bool withCaret)
+{
+    error->putWithAttributes(globalData, Identifier(globalData, expressionBeginOffsetPropertyName), jsNumber(globalData, divotPoint - startOffset), ReadOnly | DontDelete);
+    error->putWithAttributes(globalData, Identifier(globalData, expressionEndOffsetPropertyName), jsNumber(globalData, divotPoint + endOffset), ReadOnly | DontDelete);
+    if (withCaret)
+        error->putWithAttributes(globalData, Identifier(globalData, expressionCaretOffsetPropertyName), jsNumber(globalData, divotPoint), ReadOnly | DontDelete);
+}
+
+JSObject* addErrorInfo(JSGlobalData* globalData, JSObject* error, int line, const SourceCode& source)
+{
+    addErrorSourceInfo(globalData, error, line, source);
+    return error;
+}
+
+JSObject* addErrorInfo(JSGlobalData* globalData, JSObject* error, int line, const SourceCode& source, int divotPoint, int startOffset, int endOffset, bool withCaret)
+{
+    addErrorSourceInfo(globalData, error, line, source);
+    addErrorDivotInfo(globalData, error, divotPoint, startOffset, endOffset, withCaret);
+    return error;
+}
+
+JSObject* addErrorInfo(ExecState* exec, JSObject* error, int line, const SourceCode& source)
+{
+    return addErrorInfo(&exec->globalData(), error, line, source);
+}
+
+JSObject* addErrorInfo(ExecState* exec, JSObject* error, int line, const SourceCode& source, int divotPoint, int startOffset, int endOffset, bool withCaret)
+{
+    return addErrorInfo(&exec->globalData(), error, line, source, divotPoint, startOffset, endOffset, withCaret);
+}
+
+bool hasErrorInfo(ExecState* exec, JSObject* error)
+{
+    return error->hasProperty(exec, Identifier(exec, linePropertyName))
+        || error->hasProperty(exec, Identifier(exec, sourceIdPropertyName))
+        || error->hasProperty(exec, Identifier(exec, sourceURLPropertyName))
+        || error->hasProperty(exec, Identifier(exec, expressionBeginOffsetPropertyName))
+        || error->hasProperty(exec, Identifier(exec, expressionCaretOffsetPropertyName))
+        || error->hasProperty(exec, Identifier(exec, expressionEndOffsetPropertyName));
+}
+
+JSValue throwError(ExecState* exec, JSValue error)
+{
+    exec->globalData().exception = error;
+    return error;
+}
+
+JSObject* throwError(ExecState* exec, JSObject* error)
+{
+    exec->globalData().exception = error;
+    return error;
+}
+
+JSObject* throwTypeError(ExecState* exec)
+{
+    return throwError(exec, createTypeError(exec, "Type error"));
+}
+
+JSObject* throwSyntaxError(ExecState* exec)
+{
+    return throwError(exec, createSyntaxError(exec, "Syntax error"));
+}
+
+} // namespace JSC