webkitgtk-2.4.9webkitgtk-2.4.9

1 files changed, 49 insertions, 160 deletions

diff --git a/Source/JavaScriptCore/runtime/Error.cpp b/Source/JavaScriptCore/runtime/Error.cpp
index 00285a675..a87be188a 100644
--- a/Source/JavaScriptCore/runtime/Error.cpp
+++ b/Source/JavaScriptCore/runtime/Error.cpp
@@ -34,7 +34,7 @@
 #include "JSObject.h"
 #include "JSString.h"
 #include "NativeErrorConstructor.h"
-#include "JSCInlines.h"
+#include "Operations.h"
 #include "SourceCode.h"
 
 #include <wtf/text/StringBuilder.h>
@@ -44,234 +44,123 @@ namespace JSC {
 static const char* linePropertyName = "line";
 static const char* sourceURLPropertyName = "sourceURL";
 
-JSObject* createError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
+JSObject* createError(JSGlobalObject* globalObject, const String& message)
 {
     ASSERT(!message.isEmpty());
-    JSGlobalObject* globalObject = exec->lexicalGlobalObject();
-    return ErrorInstance::create(exec, globalObject->vm(), globalObject->errorStructure(), message, appender, TypeNothing, true);
+    return ErrorInstance::create(globalObject->vm(), globalObject->errorStructure(), message);
 }
 
-JSObject* createEvalError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
+JSObject* createEvalError(JSGlobalObject* globalObject, const String& message)
 {
     ASSERT(!message.isEmpty());
-    JSGlobalObject* globalObject = exec->lexicalGlobalObject();
-    return ErrorInstance::create(exec, globalObject->vm(), globalObject->evalErrorConstructor()->errorStructure(), message, appender, TypeNothing, true);
+    return ErrorInstance::create(globalObject->vm(), globalObject->evalErrorConstructor()->errorStructure(), message);
 }
 
-JSObject* createRangeError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
+JSObject* createRangeError(JSGlobalObject* globalObject, const String& message)
 {
     ASSERT(!message.isEmpty());
-    JSGlobalObject* globalObject = exec->lexicalGlobalObject();
-    return ErrorInstance::create(exec, globalObject->vm(), globalObject->rangeErrorConstructor()->errorStructure(), message, appender, TypeNothing, true);
+    return ErrorInstance::create(globalObject->vm(), globalObject->rangeErrorConstructor()->errorStructure(), message);
 }
 
-JSObject* createReferenceError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
+JSObject* createReferenceError(JSGlobalObject* globalObject, const String& message)
 {
     ASSERT(!message.isEmpty());
-    JSGlobalObject* globalObject = exec->lexicalGlobalObject();
-    return ErrorInstance::create(exec, globalObject->vm(), globalObject->referenceErrorConstructor()->errorStructure(), message, appender, TypeNothing, true);
+    return ErrorInstance::create(globalObject->vm(), globalObject->referenceErrorConstructor()->errorStructure(), message);
 }
 
-JSObject* createSyntaxError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
+JSObject* createSyntaxError(JSGlobalObject* globalObject, const String& message)
 {
     ASSERT(!message.isEmpty());
-    JSGlobalObject* globalObject = exec->lexicalGlobalObject();
-    return ErrorInstance::create(exec, globalObject->vm(), globalObject->syntaxErrorConstructor()->errorStructure(), message, appender, TypeNothing, true);
+    return ErrorInstance::create(globalObject->vm(), globalObject->syntaxErrorConstructor()->errorStructure(), message);
 }
 
-JSObject* createTypeError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender, RuntimeType type)
+JSObject* createTypeError(JSGlobalObject* globalObject, const String& message)
 {
     ASSERT(!message.isEmpty());
-    JSGlobalObject* globalObject = exec->lexicalGlobalObject();
-    return ErrorInstance::create(exec, globalObject->vm(), globalObject->typeErrorConstructor()->errorStructure(), message, appender, type, true);
+    return ErrorInstance::create(globalObject->vm(), globalObject->typeErrorConstructor()->errorStructure(), message);
 }
 
-JSObject* createNotEnoughArgumentsError(ExecState* exec, ErrorInstance::SourceAppender appender)
+JSObject* createNotEnoughArgumentsError(JSGlobalObject* globalObject)
 {
-    return createTypeError(exec, ASCIILiteral("Not enough arguments"), appender, TypeNothing);
+    return createTypeError(globalObject, ASCIILiteral("Not enough arguments"));
 }
 
-JSObject* createURIError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
+JSObject* createURIError(JSGlobalObject* globalObject, const String& message)
 {
     ASSERT(!message.isEmpty());
-    JSGlobalObject* globalObject = exec->lexicalGlobalObject();
-    return ErrorInstance::create(exec, globalObject->vm(), globalObject->URIErrorConstructor()->errorStructure(), message, appender, TypeNothing, true);
+    return ErrorInstance::create(globalObject->vm(), globalObject->URIErrorConstructor()->errorStructure(), message);
 }
 
-JSObject* createOutOfMemoryError(ExecState* exec, ErrorInstance::SourceAppender appender) 
-{
-    return createError(exec, ASCIILiteral("Out of memory"), appender);
-}
-
-
-class FindFirstCallerFrameWithCodeblockFunctor {
-public:
-    FindFirstCallerFrameWithCodeblockFunctor(CallFrame* startCallFrame)
-        : m_startCallFrame(startCallFrame)
-        , m_foundCallFrame(nullptr)
-        , m_foundStartCallFrame(false)
-        , m_index(0)
-    { }
-
-    StackVisitor::Status operator()(StackVisitor& visitor)
-    {
-        if (!m_foundStartCallFrame && (visitor->callFrame() == m_startCallFrame))
-            m_foundStartCallFrame = true;
-
-        if (m_foundStartCallFrame) {
-            if (visitor->callFrame()->codeBlock()) {
-                m_foundCallFrame = visitor->callFrame();
-                return StackVisitor::Done;
-            }
-            m_index++;
-        }
-
-        return StackVisitor::Continue;
-    }
-
-    CallFrame* foundCallFrame() const { return m_foundCallFrame; }
-    unsigned index() const { return m_index; }
-
-private:
-    CallFrame* m_startCallFrame;
-    CallFrame* m_foundCallFrame;
-    bool m_foundStartCallFrame;
-    unsigned m_index;
-};
-
-bool addErrorInfoAndGetBytecodeOffset(ExecState* exec, VM& vm, JSObject* obj, bool useCurrentFrame, CallFrame*& callFrame, unsigned &bytecodeOffset) 
-{
-    Vector<StackFrame> stackTrace = Vector<StackFrame>();
-
-    if (exec && stackTrace.isEmpty())
-        vm.interpreter->getStackTrace(stackTrace);
-
-    if (!stackTrace.isEmpty()) {
-
-        ASSERT(exec == vm.topCallFrame || exec == exec->lexicalGlobalObject()->globalExec() || exec == exec->vmEntryGlobalObject()->globalExec());
-
-        StackFrame* stackFrame;
-        for (unsigned i = 0 ; i < stackTrace.size(); ++i) {
-            stackFrame = &stackTrace.at(i);
-            if (stackFrame->bytecodeOffset)
-                break;
-        }
-
-        if (bytecodeOffset) {
-            FindFirstCallerFrameWithCodeblockFunctor functor(exec);
-            vm.topCallFrame->iterate(functor);
-            callFrame = functor.foundCallFrame();
-            unsigned stackIndex = functor.index();
-            bytecodeOffset = stackTrace.at(stackIndex).bytecodeOffset;
-        }
-        
-        unsigned line;
-        unsigned column;
-        stackFrame->computeLineAndColumn(line, column);
-        obj->putDirect(vm, vm.propertyNames->line, jsNumber(line), ReadOnly | DontDelete);
-        obj->putDirect(vm, vm.propertyNames->column, jsNumber(column), ReadOnly | DontDelete);
-
-        if (!stackFrame->sourceURL.isEmpty())
-            obj->putDirect(vm, vm.propertyNames->sourceURL, jsString(&vm, stackFrame->sourceURL), ReadOnly | DontDelete);
-    
-        if (!useCurrentFrame)
-            stackTrace.remove(0);
-        obj->putDirect(vm, vm.propertyNames->stack, vm.interpreter->stackTraceAsString(vm.topCallFrame, stackTrace), DontEnum);
-
-        return true;
-    }
-    return false;
-}
-
-void addErrorInfo(ExecState* exec, JSObject* obj, bool useCurrentFrame)
+JSObject* createError(ExecState* exec, const String& message)
 {
-    CallFrame* callFrame = nullptr;
-    unsigned bytecodeOffset = 0;
-    addErrorInfoAndGetBytecodeOffset(exec, exec->vm(), obj, useCurrentFrame, callFrame, bytecodeOffset);
+    return createError(exec->lexicalGlobalObject(), message);
 }
 
-JSObject* addErrorInfo(CallFrame* callFrame, JSObject* error, int line, const SourceCode& source)
-{
-    VM* vm = &callFrame->vm();
-    const String& sourceURL = source.provider()->url();
-
-    if (line != -1)
-        error->putDirect(*vm, Identifier::fromString(vm, linePropertyName), jsNumber(line), ReadOnly | DontDelete);
-    if (!sourceURL.isNull())
-        error->putDirect(*vm, Identifier::fromString(vm, sourceURLPropertyName), jsString(vm, sourceURL), ReadOnly | DontDelete);
-    return error;
-}
-
-
-bool hasErrorInfo(ExecState* exec, JSObject* error)
+JSObject* createEvalError(ExecState* exec, const String& message)
 {
-    return error->hasProperty(exec, Identifier::fromString(exec, linePropertyName))
-        || error->hasProperty(exec, Identifier::fromString(exec, sourceURLPropertyName));
+    return createEvalError(exec->lexicalGlobalObject(), message);
 }
 
-JSObject* throwTypeError(ExecState* exec)
+JSObject* createRangeError(ExecState* exec, const String& message)
 {
-    return exec->vm().throwException(exec, createTypeError(exec));
+    return createRangeError(exec->lexicalGlobalObject(), message);
 }
 
-JSObject* throwSyntaxError(ExecState* exec)
+JSObject* createReferenceError(ExecState* exec, const String& message)
 {
-    return exec->vm().throwException(exec, createSyntaxError(exec, ASCIILiteral("Syntax error")));
+    return createReferenceError(exec->lexicalGlobalObject(), message);
 }
 
-
-JSObject* createError(ExecState* exec, const String& message)
+JSObject* createSyntaxError(ExecState* exec, const String& message)
 {
-    return createError(exec, message, nullptr);
+    return createSyntaxError(exec->lexicalGlobalObject(), message);
 }
 
-JSObject* createEvalError(ExecState* exec, const String& message)
+JSObject* createTypeError(ExecState* exec, const String& message)
 {
-    return createEvalError(exec, message, nullptr);
+    return createTypeError(exec->lexicalGlobalObject(), message);
 }
 
-JSObject* createRangeError(ExecState* exec, const String& message)
+JSObject* createNotEnoughArgumentsError(ExecState* exec)
 {
-    return createRangeError(exec, message, nullptr);
+    return createNotEnoughArgumentsError(exec->lexicalGlobalObject());
 }
 
-JSObject* createReferenceError(ExecState* exec, const String& message)
+JSObject* createURIError(ExecState* exec, const String& message)
 {
-    return createReferenceError(exec, message, nullptr);
+    return createURIError(exec->lexicalGlobalObject(), message);
 }
 
-JSObject* createSyntaxError(ExecState* exec, const String& message)
+JSObject* addErrorInfo(CallFrame* callFrame, JSObject* error, int line, const SourceCode& source)
 {
-    return createSyntaxError(exec, message, nullptr);
-}
+    VM* vm = &callFrame->vm();
+    const String& sourceURL = source.provider()->url();
 
-JSObject* createTypeError(ExecState* exec)
-{
-    return createTypeError(exec, ASCIILiteral("Type error"));
+    if (line != -1)
+        error->putDirect(*vm, Identifier(vm, linePropertyName), jsNumber(line), ReadOnly | DontDelete);
+    if (!sourceURL.isNull())
+        error->putDirect(*vm, Identifier(vm, sourceURLPropertyName), jsString(vm, sourceURL), ReadOnly | DontDelete);
+    return error;
 }
 
-JSObject* createTypeError(ExecState* exec, const String& message)
-{
-    return createTypeError(exec, message, nullptr, TypeNothing);
-}
 
-JSObject* createNotEnoughArgumentsError(ExecState* exec)
+bool hasErrorInfo(ExecState* exec, JSObject* error)
 {
-    return createNotEnoughArgumentsError(exec, nullptr);
+    return error->hasProperty(exec, Identifier(exec, linePropertyName))
+        || error->hasProperty(exec, Identifier(exec, sourceURLPropertyName));
 }
 
-JSObject* createURIError(ExecState* exec, const String& message)
+JSObject* throwTypeError(ExecState* exec)
 {
-    return createURIError(exec, message, nullptr);
+    return exec->vm().throwException(exec, createTypeError(exec, ASCIILiteral("Type error")));
 }
 
-JSObject* createOutOfMemoryError(ExecState* exec)
+JSObject* throwSyntaxError(ExecState* exec)
 {
-    return createOutOfMemoryError(exec, nullptr);
+    return exec->vm().throwException(exec, createSyntaxError(exec, ASCIILiteral("Syntax error")));
 }
 
-
-const ClassInfo StrictModeTypeErrorFunction::s_info = { "Function", &Base::s_info, 0, CREATE_METHOD_TABLE(StrictModeTypeErrorFunction) };
+const ClassInfo StrictModeTypeErrorFunction::s_info = { "Function", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(StrictModeTypeErrorFunction) };
 
 void StrictModeTypeErrorFunction::destroy(JSCell* cell)
 {