]> git.saurik.com Git - apple/javascriptcore.git/blobdiff - runtime/ErrorConstructor.cpp
JavaScriptCore-1218.34.tar.gz
[apple/javascriptcore.git] / runtime / ErrorConstructor.cpp
index b9c3f586c298e4bb6af60ba0c24cf237c6241e61..b143f5a187d6693f93a7fb532c64955fff760d61 100644 (file)
 #include "ErrorPrototype.h"
 #include "JSGlobalObject.h"
 #include "JSString.h"
+#include "Operations.h"
 
 namespace JSC {
 
-ASSERT_CLASS_FITS_IN_CELL(ErrorConstructor);
+ASSERT_HAS_TRIVIAL_DESTRUCTOR(ErrorConstructor);
 
-ErrorConstructor::ErrorConstructor(ExecState* exec, NonNullPassRefPtr<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(JSGlobalObject* globalObject, Structure* structure)
+    : InternalFunction(globalObject, 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(ExecState* exec, ErrorPrototype* errorPrototype)
 {
-    ErrorInstance* obj = new (exec) ErrorInstance(exec->lexicalGlobalObject()->errorStructure());
-    if (!args.at(0).isUndefined())
-        obj->putDirect(exec->propertyNames().message, jsString(exec, args.at(0).toString(exec)));
-    return obj;
+    Base::finishCreation(exec->vm(), errorPrototype->classInfo()->className);
+    // ECMA 15.11.3.1 Error.prototype
+    putDirectWithoutTransition(exec->vm(), exec->propertyNames().prototype, errorPrototype, DontEnum | DontDelete | ReadOnly);
+    putDirectWithoutTransition(exec->vm(), exec->propertyNames().length, jsNumber(1), DontDelete | ReadOnly | DontEnum);
 }
 
-static JSObject* constructWithErrorConstructor(ExecState* exec, JSObject*, const ArgList& args)
+// ECMA 15.9.3
+
+static EncodedJSValue JSC_HOST_CALL constructWithErrorConstructor(ExecState* exec)
 {
-    return constructError(exec, args);
+    JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined();
+    Structure* errorStructure = asInternalFunction(exec->callee())->globalObject()->errorStructure();
+    return JSValue::encode(ErrorInstance::create(exec, errorStructure, message));
 }
 
-ConstructType ErrorConstructor::getConstructData(ConstructData& constructData)
+ConstructType ErrorConstructor::getConstructData(JSCell*, ConstructData& constructData)
 {
     constructData.native.function = constructWithErrorConstructor;
     return ConstructTypeHost;
 }
 
-// ECMA 15.9.2
-static JSValue JSC_HOST_CALL callErrorConstructor(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+static EncodedJSValue JSC_HOST_CALL 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();
+    return JSValue::encode(ErrorInstance::create(exec, errorStructure, message));
 }
 
-CallType ErrorConstructor::getCallData(CallData& callData)
+CallType ErrorConstructor::getCallData(JSCell*, CallData& callData)
 {
     callData.native.function = callErrorConstructor;
     return CallTypeHost;