JavaScriptCore-7600.1.4.16.1.tar.gz

[apple/javascriptcore.git] / runtime / NativeErrorConstructor.cpp

diff --git a/runtime/NativeErrorConstructor.cpp b/runtime/NativeErrorConstructor.cpp
index 403fc7ecca463e62c6b18491868bae817007d54a..62600555b4c62cd0c5f3f43f8b152f39475cdefa 100644 (file)
--- a/runtime/NativeErrorConstructor.cpp
+++ b/runtime/NativeErrorConstructor.cpp
@@ -25,48 +25,74 @@
 #include "JSFunction.h"
 #include "JSString.h"
 #include "NativeErrorPrototype.h"
+#include "JSCInlines.h"
 
 namespace JSC {
 
-ASSERT_CLASS_FITS_IN_CELL(NativeErrorConstructor);
+STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(NativeErrorConstructor);
 
-const ClassInfo NativeErrorConstructor::info = { "Function", &InternalFunction::info, 0, 0 };
+const ClassInfo NativeErrorConstructor::s_info = { "Function", &InternalFunction::s_info, 0, 0, CREATE_METHOD_TABLE(NativeErrorConstructor) };
 
-NativeErrorConstructor::NativeErrorConstructor(ExecState* exec, NonNullPassRefPtr<Structure> structure, NativeErrorPrototype* nativeErrorPrototype)
-    : InternalFunction(&exec->globalData(), structure, Identifier(exec, nativeErrorPrototype->getDirect(exec->propertyNames().name).getString(exec)))
-    , m_errorStructure(ErrorInstance::createStructure(nativeErrorPrototype))
+NativeErrorConstructor::NativeErrorConstructor(VM& vm, Structure* structure)
+    : InternalFunction(vm, structure)
 {
-    putDirect(exec->propertyNames().length, jsNumber(exec, 1), DontDelete | ReadOnly | DontEnum); // ECMA 15.11.7.5
-    putDirect(exec->propertyNames().prototype, nativeErrorPrototype, DontDelete | ReadOnly | DontEnum);
 }
 
-ErrorInstance* NativeErrorConstructor::construct(ExecState* exec, const ArgList& args)
+void NativeErrorConstructor::finishCreation(VM& vm, JSGlobalObject* globalObject, Structure* prototypeStructure, const String& name)
 {
-    ErrorInstance* object = new (exec) ErrorInstance(m_errorStructure);
-    if (!args.at(0).isUndefined())
-        object->putDirect(exec->propertyNames().message, jsString(exec, args.at(0).toString(exec)));
-    return object;
+    Base::finishCreation(vm, name);
+    ASSERT(inherits(info()));
+    
+    NativeErrorPrototype* prototype = NativeErrorPrototype::create(vm, globalObject, prototypeStructure, name, this);
+    
+    putDirect(vm, vm.propertyNames->length, jsNumber(1), DontDelete | ReadOnly | DontEnum); // ECMA 15.11.7.5
+    putDirect(vm, vm.propertyNames->prototype, prototype, DontDelete | ReadOnly | DontEnum);
+    m_errorStructure.set(vm, this, ErrorInstance::createStructure(vm, globalObject, prototype));
+    ASSERT(m_errorStructure);
+    ASSERT(m_errorStructure->isObject());
+}
+
+void NativeErrorConstructor::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    NativeErrorConstructor* thisObject = jsCast<NativeErrorConstructor*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
+    COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
+    ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
+
+    InternalFunction::visitChildren(thisObject, visitor);
+    visitor.append(&thisObject->m_errorStructure);
 }
 
-static JSObject* constructWithNativeErrorConstructor(ExecState* exec, JSObject* constructor, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL Interpreter::constructWithNativeErrorConstructor(ExecState* exec)
 {
-    return static_cast<NativeErrorConstructor*>(constructor)->construct(exec, args);
+    JSValue message = exec->argument(0);
+    Structure* errorStructure = static_cast<NativeErrorConstructor*>(exec->callee())->errorStructure();
+    ASSERT(errorStructure);
+    Vector<StackFrame> stackTrace;
+    exec->vm().interpreter->getStackTrace(stackTrace, std::numeric_limits<size_t>::max());
+    stackTrace.remove(0);
+    return JSValue::encode(ErrorInstance::create(exec, errorStructure, message, stackTrace));
 }
 
-ConstructType NativeErrorConstructor::getConstructData(ConstructData& constructData)
+ConstructType NativeErrorConstructor::getConstructData(JSCell*, ConstructData& constructData)
 {
-    constructData.native.function = constructWithNativeErrorConstructor;
+    constructData.native.function = Interpreter::constructWithNativeErrorConstructor;
     return ConstructTypeHost;
 }
     
-static JSValue JSC_HOST_CALL callNativeErrorConstructor(ExecState* exec, JSObject* constructor, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL Interpreter::callNativeErrorConstructor(ExecState* exec)
 {
-    return static_cast<NativeErrorConstructor*>(constructor)->construct(exec, args);
+    JSValue message = exec->argument(0);
+    Structure* errorStructure = static_cast<NativeErrorConstructor*>(exec->callee())->errorStructure();
+    Vector<StackFrame> stackTrace;
+    exec->vm().interpreter->getStackTrace(stackTrace, std::numeric_limits<size_t>::max());
+    stackTrace.remove(0);
+    return JSValue::encode(ErrorInstance::create(exec, errorStructure, message, stackTrace));
 }
 
-CallType NativeErrorConstructor::getCallData(CallData& callData)
+CallType NativeErrorConstructor::getCallData(JSCell*, CallData& callData)
 {
-    callData.native.function = callNativeErrorConstructor;
+    callData.native.function = Interpreter::callNativeErrorConstructor;
     return CallTypeHost;
 }