JavaScriptCore-7600.1.4.16.1.tar.gz

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

diff --git a/runtime/ErrorConstructor.cpp b/runtime/ErrorConstructor.cpp
index 5cc0df0fff93badf2e7de5cf40cac45feafb8065..9acbc4cd02fc12ad203d20b4c11499d8885e2058 100644 (file)
--- a/runtime/ErrorConstructor.cpp
+++ b/runtime/ErrorConstructor.cpp
@@ -22,51 +22,61 @@
 #include "ErrorConstructor.h"
 
 #include "ErrorPrototype.h"
+#include "Interpreter.h"
 #include "JSGlobalObject.h"
 #include "JSString.h"
+#include "JSCInlines.h"
 
 namespace JSC {
 
-ASSERT_CLASS_FITS_IN_CELL(ErrorConstructor);
+STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(ErrorConstructor);
 
-ErrorConstructor::ErrorConstructor(ExecState* exec, PassRefPtr<Structure> structure, ErrorPrototype* errorPrototype)
-    : InternalFunction(&exec->globalData(), structure, Identifier(exec, errorPrototype->classInfo()->className))
+const ClassInfo ErrorConstructor::s_info = { "Function", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(ErrorConstructor) };
+
+ErrorConstructor::ErrorConstructor(VM& vm, Structure* structure)
+    : InternalFunction(vm, structure)
 {
-    // ECMA 15.11.3.1 Error.prototype
-    putDirectWithoutTransition(exec->propertyNames().prototype, errorPrototype, DontEnum | DontDelete | ReadOnly);
-    putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 1), DontDelete | ReadOnly | DontEnum);
 }
 
-// ECMA 15.9.3
-ErrorInstance* constructError(ExecState* exec, const ArgList& args)
+void ErrorConstructor::finishCreation(VM& vm, ErrorPrototype* errorPrototype)
 {
-    ErrorInstance* obj = new (exec) ErrorInstance(exec->lexicalGlobalObject()->errorStructure());
-    if (!args.at(exec, 0).isUndefined())
-        obj->putDirect(exec->propertyNames().message, jsString(exec, args.at(exec, 0).toString(exec)));
-    return obj;
+    Base::finishCreation(vm, errorPrototype->classInfo()->className);
+    // ECMA 15.11.3.1 Error.prototype
+    putDirectWithoutTransition(vm, vm.propertyNames->prototype, errorPrototype, DontEnum | DontDelete | ReadOnly);
+    putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), DontDelete | ReadOnly | DontEnum);
 }
 
-static JSObject* constructWithErrorConstructor(ExecState* exec, JSObject*, const ArgList& args)
+// ECMA 15.9.3
+
+EncodedJSValue JSC_HOST_CALL Interpreter::constructWithErrorConstructor(ExecState* exec)
 {
-    return constructError(exec, args);
+    JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined();
+    Structure* errorStructure = asInternalFunction(exec->callee())->globalObject()->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 ErrorConstructor::getConstructData(ConstructData& constructData)
+ConstructType ErrorConstructor::getConstructData(JSCell*, ConstructData& constructData)
 {
-    constructData.native.function = constructWithErrorConstructor;
+    constructData.native.function = Interpreter::constructWithErrorConstructor;
     return ConstructTypeHost;
 }
 
-// ECMA 15.9.2
-static JSValuePtr callErrorConstructor(ExecState* exec, JSObject*, JSValuePtr, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL Interpreter::callErrorConstructor(ExecState* exec)
 {
-    // "Error()" gives the sames result as "new Error()"
-    return constructError(exec, args);
+    JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined();
+    Structure* errorStructure = asInternalFunction(exec->callee())->globalObject()->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 ErrorConstructor::getCallData(CallData& callData)
+CallType ErrorConstructor::getCallData(JSCell*, CallData& callData)
 {
-    callData.native.function = callErrorConstructor;
+    callData.native.function = Interpreter::callErrorConstructor;
     return CallTypeHost;
 }