EncodedJSValue JSC_HOST_CALL functionProtoFuncToString(ExecState* exec) { JSValue thisValue = exec->thisValue(); if (thisValue.inherits(JSFunction::info())) { JSFunction* function = jsCast<JSFunction*>(thisValue); if (function->isHostOrBuiltinFunction()) { String name; if (JSBoundFunction* boundFunction = jsDynamicCast<JSBoundFunction*>(function)) name = boundFunction->toStringName(exec); else name = function->name(exec); return JSValue::encode(jsMakeNontrivialString(exec, "function ", name, "() {\n [native code]\n}")); } FunctionExecutable* executable = function->jsExecutable(); String functionHeader = executable->isArrowFunction() ? "" : "function "; StringView source = executable->source().provider()->getRange( executable->parametersStartOffset(), executable->parametersStartOffset() + executable->source().length()); return JSValue::encode(jsMakeNontrivialString(exec, functionHeader, function->name(exec), source)); } if (thisValue.inherits(InternalFunction::info())) { InternalFunction* function = asInternalFunction(thisValue); return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}")); } return throwVMTypeError(exec); }
EncodedJSValue JSC_HOST_CALL functionProtoFuncToString(ExecState* exec) { VM& vm = exec->vm(); auto scope = DECLARE_THROW_SCOPE(vm); JSValue thisValue = exec->thisValue(); if (thisValue.inherits(JSFunction::info())) { JSFunction* function = jsCast<JSFunction*>(thisValue); if (function->isHostOrBuiltinFunction()) { scope.release(); return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(vm), "() {\n [native code]\n}")); } FunctionExecutable* executable = function->jsExecutable(); if (executable->isClass()) { StringView classSource = executable->classSource().view(); return JSValue::encode(jsString(exec, classSource.toStringWithoutCopying())); } if (thisValue.inherits(JSAsyncFunction::info())) { String functionHeader = executable->isArrowFunction() ? "async " : "async function "; StringView source = executable->source().provider()->getRange( executable->parametersStartOffset(), executable->parametersStartOffset() + executable->source().length()); return JSValue::encode(jsMakeNontrivialString(exec, functionHeader, function->name(vm), source)); } String functionHeader = executable->isArrowFunction() ? "" : "function "; StringView source = executable->source().provider()->getRange( executable->parametersStartOffset(), executable->parametersStartOffset() + executable->source().length()); scope.release(); return JSValue::encode(jsMakeNontrivialString(exec, functionHeader, function->name(vm), source)); } if (thisValue.inherits(InternalFunction::info())) { InternalFunction* function = asInternalFunction(thisValue); scope.release(); return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(), "() {\n [native code]\n}")); } if (thisValue.isObject()) { JSObject* object = asObject(thisValue); if (object->inlineTypeFlags() & TypeOfShouldCallGetCallData) { CallData callData; if (object->methodTable(vm)->getCallData(object, callData) != CallType::None) { if (auto* classInfo = object->classInfo()) { scope.release(); return JSValue::encode(jsMakeNontrivialString(exec, "function ", classInfo->className, "() {\n [native code]\n}")); } } } } return throwVMTypeError(exec, scope); }
void ScriptCallStack::initialize() { if (!m_caller || m_initialized) return; JSValue func = m_exec->interpreter()->retrieveCaller(m_exec, m_caller); while (!func.isNull()) { InternalFunction* internalFunction = asInternalFunction(func); ArgList emptyArgList; m_frames.append(ScriptCallFrame(internalFunction->name(m_exec), UString(), 0, emptyArgList, 0)); func = m_exec->interpreter()->retrieveCaller(m_exec, internalFunction); } m_initialized = true; }
EncodedTiValue JSC_HOST_CALL functionProtoFuncToString(TiExcState* exec) { TiValue thisValue = exec->hostThisValue(); if (thisValue.inherits(&TiFunction::s_info)) { TiFunction* function = asFunction(thisValue); if (function->isHostFunction()) return TiValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}")); FunctionExecutable* executable = function->jsExecutable(); UString sourceString = executable->source().toString(); insertSemicolonIfNeeded(sourceString); return TiValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "(", executable->paramString(), ") ", sourceString)); } if (thisValue.inherits(&InternalFunction::s_info)) { InternalFunction* function = asInternalFunction(thisValue); return TiValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}")); } return throwVMTypeError(exec); }
EncodedJSValue JSC_HOST_CALL functionProtoFuncToString(ExecState* exec) { JSValue thisValue = exec->thisValue(); if (thisValue.inherits(JSFunction::info())) { JSFunction* function = jsCast<JSFunction*>(thisValue); if (function->isHostOrBuiltinFunction()) return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}")); FunctionExecutable* executable = function->jsExecutable(); String sourceString = executable->source().toString(); insertSemicolonIfNeeded(sourceString, executable->bodyIncludesBraces()); return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "(", executable->paramString(), ") ", sourceString)); } if (thisValue.inherits(InternalFunction::info())) { InternalFunction* function = asInternalFunction(thisValue); return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}")); } return throwVMTypeError(exec); }
EncodedJSValue JSC_HOST_CALL functionProtoFuncToString(ExecState* exec) { JSValue thisValue = exec->thisValue(); if (thisValue.inherits(JSFunction::info())) { JSFunction* function = jsCast<JSFunction*>(thisValue); if (function->isHostOrBuiltinFunction()) return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}")); FunctionExecutable* executable = function->jsExecutable(); String source = executable->source().provider()->getRange( executable->parametersStartOffset(), executable->typeProfilingEndOffset() + 1); // Type profiling end offset is the character before the '}'. return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), source)); } if (thisValue.inherits(InternalFunction::info())) { InternalFunction* function = asInternalFunction(thisValue); return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}")); } return throwVMTypeError(exec); }
JSValue JSC_HOST_CALL functionProtoFuncToString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&) { if (thisValue.inherits(&JSFunction::info)) { JSFunction* function = asFunction(thisValue); if (!function->isHostFunction()) { FunctionExecutable* executable = function->jsExecutable(); UString sourceString = executable->source().toString(); insertSemicolonIfNeeded(sourceString); return jsString(exec, makeString("function ", function->name(exec), "(", executable->paramString(), ") ", sourceString)); } } if (thisValue.inherits(&InternalFunction::info)) { InternalFunction* function = asInternalFunction(thisValue); return jsString(exec, makeString("function ", function->name(exec), "() {\n [native code]\n}")); } #ifdef QT_BUILD_SCRIPT_LIB //same error message as in the old engine, and in mozilla return throwError(exec, TypeError, "Function.prototype.toString called on incompatible object"); #else return throwError(exec, TypeError); #endif }
JSValue* InternalFunction::nameGetter(ExecState* exec, const Identifier&, const PropertySlot& slot) { InternalFunction* thisObj = static_cast<InternalFunction*>(slot.slotBase()); return jsString(exec, thisObj->functionName().ustring()); }