1 /*
2 * Copyright (c) 2021-2025 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "ecmascript/js_function.h"
17
18 #include "ecmascript/debugger/js_debugger_manager.h"
19 #include "ecmascript/global_env.h"
20 #include "ecmascript/interpreter/interpreter.h"
21 #include "ecmascript/js_object-inl.h"
22 #include "ecmascript/module/module_resolver.h"
23 #include "ecmascript/object_factory-inl.h"
24 #include "ecmascript/pgo_profiler/pgo_profiler.h"
25 #include "ecmascript/require/js_require_manager.h"
26 #include "ecmascript/ic/profile_type_info.h"
27
28 namespace panda::ecmascript {
InitializeJSFunctionCommon(JSThread * thread,const JSHandle<JSFunction> & func,FunctionKind kind)29 void JSFunction::InitializeJSFunctionCommon(JSThread *thread, const JSHandle<JSFunction> &func, FunctionKind kind)
30 {
31 auto globalConst = thread->GlobalConstants();
32 if (HasPrototype(kind)) {
33 JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionPrototypeAccessor();
34 if (kind == FunctionKind::BASE_CONSTRUCTOR || kind == FunctionKind::GENERATOR_FUNCTION ||
35 kind == FunctionKind::ASYNC_GENERATOR_FUNCTION || kind == FunctionKind::NONE_FUNCTION) {
36 func->SetPropertyInlinedProps(thread, PROTOTYPE_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
37 accessor = globalConst->GetHandledFunctionNameAccessor();
38 func->SetPropertyInlinedProps(thread, NAME_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
39 accessor = globalConst->GetHandledFunctionLengthAccessor();
40 func->SetPropertyInlinedProps(thread, LENGTH_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
41 if (kind == FunctionKind::ASYNC_GENERATOR_FUNCTION) {
42 // Not duplicate codes, it will slow the performace if combining and put outside!
43 JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
44 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
45 JSHandle<JSFunction> objFun(env->GetObjectFunction());
46 JSHandle<JSObject> initialGeneratorFuncPrototype = factory->NewJSObjectByConstructor(objFun);
47 JSObject::SetPrototype(thread, initialGeneratorFuncPrototype, env->GetAsyncGeneratorPrototype());
48 func->SetProtoOrHClass(thread, initialGeneratorFuncPrototype);
49 }
50 if (kind == FunctionKind::GENERATOR_FUNCTION) {
51 // Not duplicate codes, it will slow the performace if combining and put outside!
52 JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
53 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
54 JSHandle<JSFunction> objFun(env->GetObjectFunction());
55 JSHandle<JSObject> initialGeneratorFuncPrototype = factory->NewJSObjectByConstructor(objFun);
56 JSObject::SetPrototype(thread, initialGeneratorFuncPrototype, env->GetGeneratorPrototype());
57 func->SetProtoOrHClass(thread, initialGeneratorFuncPrototype);
58 }
59 } else if (!JSFunction::IsClassConstructor(kind)) { // class ctor do nothing
60 PropertyDescriptor desc(thread, accessor, kind != FunctionKind::BUILTIN_CONSTRUCTOR, false, false);
61 [[maybe_unused]] bool success = JSObject::DefineOwnProperty(
62 thread, JSHandle<JSObject>(func), globalConst->GetHandledPrototypeString(), desc, SCheckMode::SKIP);
63 ASSERT(success);
64 }
65 } else if (HasAccessor(kind)) {
66 JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionNameAccessor();
67 func->SetPropertyInlinedProps(thread, NAME_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
68 accessor = globalConst->GetHandledFunctionLengthAccessor();
69 func->SetPropertyInlinedProps(thread, LENGTH_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
70 }
71 }
72
InitializeJSFunction(JSThread * thread,const JSHandle<JSFunction> & func,FunctionKind kind)73 void JSFunction::InitializeJSFunction(JSThread *thread, const JSHandle<JSFunction> &func, FunctionKind kind)
74 {
75 InitializeWithDefaultValue(thread, func);
76 InitializeJSFunctionCommon(thread, func, kind);
77 }
78
InitializeJSBuiltinFunction(JSThread * thread,const JSHandle<GlobalEnv> & env,const JSHandle<JSFunction> & func,FunctionKind kind)79 void JSFunction::InitializeJSBuiltinFunction(JSThread *thread, const JSHandle<GlobalEnv> &env,
80 const JSHandle<JSFunction> &func, FunctionKind kind)
81 {
82 InitializeBuiltinWithDefaultValue(thread, env, func);
83 InitializeJSFunctionCommon(thread, func, kind);
84 }
85
InitializeSFunction(JSThread * thread,const JSHandle<JSFunction> & func,FunctionKind kind)86 void JSFunction::InitializeSFunction(JSThread *thread, const JSHandle<JSFunction> &func, FunctionKind kind)
87 {
88 InitializeWithDefaultValue(thread, func);
89 auto globalConst = thread->GlobalConstants();
90 JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionPrototypeAccessor();
91 if (HasAccessor(kind) || IsBaseConstructorKind(kind)) {
92 if (IsBaseConstructorKind(kind)) {
93 func->SetPropertyInlinedProps(thread, PROTOTYPE_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
94 }
95 accessor = globalConst->GetHandledFunctionNameAccessor();
96 func->SetPropertyInlinedProps(thread, NAME_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
97 accessor = globalConst->GetHandledFunctionLengthAccessor();
98 func->SetPropertyInlinedProps(thread, LENGTH_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
99 }
100 }
101
InitializeWithDefaultValueCommon(JSThread * thread,const JSHandle<JSFunction> & func)102 void JSFunction::InitializeWithDefaultValueCommon(JSThread *thread, const JSHandle<JSFunction> &func)
103 {
104 func->InitBitField();
105 func->SetProtoOrHClass<SKIP_BARRIER>(thread, JSTaggedValue::Hole());
106 func->SetHomeObject<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
107 func->SetWorkNodePointer(reinterpret_cast<uintptr_t>(nullptr));
108 func->SetMachineCode<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
109 func->SetBaselineCode<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
110 func->SetRawProfileTypeInfo<SKIP_BARRIER>(thread, thread->GlobalConstants()->GetEmptyProfileTypeInfoCell());
111 func->SetMethod<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
112 func->SetModule<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
113 func->SetCodeEntry(reinterpret_cast<uintptr_t>(nullptr));
114 func->ClearCompiledCodeFlags();
115 func->SetTaskConcurrentFuncFlag(0); // 0 : default value
116 func->SetCallNapi(false);
117 }
118
InitializeWithDefaultValue(JSThread * thread,const JSHandle<JSFunction> & func)119 void JSFunction::InitializeWithDefaultValue(JSThread *thread, const JSHandle<JSFunction> &func)
120 {
121 InitializeWithDefaultValueCommon(thread, func);
122 func->SetLexicalEnv<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
123 }
124
InitializeBuiltinWithDefaultValue(JSThread * thread,const JSHandle<GlobalEnv> & env,const JSHandle<JSFunction> & func)125 void JSFunction::InitializeBuiltinWithDefaultValue(JSThread *thread, const JSHandle<GlobalEnv> &env,
126 const JSHandle<JSFunction> &func)
127 {
128 InitializeWithDefaultValueCommon(thread, func);
129 func->SetLexicalEnv(thread, env.GetTaggedValue());
130 }
131
InitClassFunction(JSThread * thread,JSHandle<JSFunction> & func,bool callNapi)132 void JSFunction::InitClassFunction(JSThread *thread, JSHandle<JSFunction> &func, bool callNapi)
133 {
134 JSHandle<GlobalEnv> env = thread->GetGlobalEnv();
135 auto globalConst = thread->GlobalConstants();
136 JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionPrototypeAccessor();
137 func->SetPropertyInlinedProps(thread, JSFunction::CLASS_PROTOTYPE_INLINE_PROPERTY_INDEX,
138 accessor.GetTaggedValue());
139 accessor = globalConst->GetHandledFunctionLengthAccessor();
140 func->SetPropertyInlinedProps(thread, JSFunction::LENGTH_INLINE_PROPERTY_INDEX,
141 accessor.GetTaggedValue());
142 JSHandle<JSObject> clsPrototype = JSFunction::NewJSFunctionPrototype(thread, func);
143 clsPrototype->GetClass()->SetClassPrototype(true);
144 func->SetClassConstructor(true);
145 JSHandle<JSTaggedValue> parent = env->GetFunctionPrototype();
146 JSObject::SetPrototype(thread, JSHandle<JSObject>::Cast(func), parent);
147 func->SetHomeObject(thread, clsPrototype);
148 func->SetCallNapi(callNapi);
149 }
150
InitClassFunctionWithClsPrototype(JSThread * thread,JSHandle<JSFunction> & func,bool callNapi,JSHandle<JSObject> & clsPrototype)151 void JSFunction::InitClassFunctionWithClsPrototype(JSThread *thread, JSHandle<JSFunction> &func, bool callNapi,
152 JSHandle<JSObject> &clsPrototype)
153 {
154 auto globalConst = thread->GlobalConstants();
155 JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionPrototypeAccessor();
156 func->SetPropertyInlinedProps(thread, JSFunction::CLASS_PROTOTYPE_INLINE_PROPERTY_INDEX,
157 accessor.GetTaggedValue());
158 accessor = globalConst->GetHandledFunctionLengthAccessor();
159 func->SetPropertyInlinedProps(thread, JSFunction::LENGTH_INLINE_PROPERTY_INDEX,
160 accessor.GetTaggedValue());
161 func->SetClassConstructor(true);
162 JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
163 JSHandle<JSTaggedValue> parent = env->GetFunctionPrototype();
164 JSObject::SetPrototype(thread, JSHandle<JSObject>::Cast(func), parent);
165 clsPrototype->GetClass()->SetClassPrototype(true);
166 JSFunction::SetFunctionPrototypeOrInstanceHClass(thread, func, clsPrototype.GetTaggedValue());
167 func->SetHomeObject(thread, clsPrototype);
168 func->SetCallNapi(callNapi);
169 }
170
NewJSFunctionPrototype(JSThread * thread,const JSHandle<JSFunction> & func)171 JSHandle<JSObject> JSFunction::NewJSFunctionPrototype(JSThread *thread, const JSHandle<JSFunction> &func)
172 {
173 JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
174 const GlobalEnvConstants *globalConst = thread->GlobalConstants();
175 JSHandle<JSFunction> objFun;
176 if (func->IsSharedFunction()) {
177 objFun = JSHandle<JSFunction>(env->GetSObjectFunction());
178 } else {
179 objFun = JSHandle<JSFunction>(env->GetObjectFunction());
180 }
181 JSHandle<JSObject> funPro = thread->GetEcmaVM()->GetFactory()->NewJSObjectByConstructor(objFun);
182 SetFunctionPrototypeOrInstanceHClass(thread, func, funPro.GetTaggedValue());
183
184 // set "constructor" in prototype
185 JSHandle<JSTaggedValue> constructorKey = globalConst->GetHandledConstructorString();
186 PropertyDescriptor descriptor(thread, JSHandle<JSTaggedValue>::Cast(func), true, false, true);
187 JSObject::DefineOwnProperty(thread, funPro, constructorKey, descriptor);
188
189 return funPro;
190 }
191
GetOrCreateInitialJSHClass(JSThread * thread,const JSHandle<JSFunction> & fun)192 JSHClass *JSFunction::GetOrCreateInitialJSHClass(JSThread *thread, const JSHandle<JSFunction> &fun)
193 {
194 JSTaggedValue protoOrHClass(fun->GetProtoOrHClass(thread));
195 if (protoOrHClass.IsJSHClass()) {
196 return reinterpret_cast<JSHClass *>(protoOrHClass.GetTaggedObject());
197 }
198
199 JSHandle<JSTaggedValue> proto;
200 bool needProfileTransition = false;
201 if (!fun->HasFunctionPrototype(thread)) {
202 proto = JSHandle<JSTaggedValue>::Cast(NewJSFunctionPrototype(thread, fun));
203 if (thread->GetEcmaVM()->IsEnablePGOProfiler()) {
204 thread->GetEcmaVM()->GetPGOProfiler()->ProfileClassRootHClass(fun.GetTaggedType(),
205 JSTaggedType(proto->GetTaggedObject()->GetClass()), pgo::ProfileType::Kind::PrototypeId);
206 }
207 } else {
208 proto = JSHandle<JSTaggedValue>(thread, fun->GetProtoOrHClass(thread));
209 needProfileTransition = proto->IsECMAObject();
210 }
211
212 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
213 JSHandle<JSHClass> hclass;
214 if (thread->GetEcmaVM()->GetJSOptions().IsEnableInlinePropertyOptimization()) {
215 bool isStartObjSizeTracking = true;
216 uint32_t expectedOfProperties = JSFunction::CalcuExpotedOfProperties(thread, fun, &isStartObjSizeTracking);
217 hclass = factory->NewEcmaHClass(JSObject::SIZE, expectedOfProperties, JSType::JS_OBJECT, proto);
218 if (isStartObjSizeTracking) {
219 hclass->StartObjSizeTracking();
220 }
221 } else {
222 hclass = factory->NewEcmaHClass(JSObject::SIZE, JSType::JS_OBJECT, proto);
223 }
224 fun->SetProtoOrHClass(thread, hclass);
225 if (thread->GetEcmaVM()->IsEnablePGOProfiler()) {
226 if (!needProfileTransition) {
227 thread->GetEcmaVM()->GetPGOProfiler()->ProfileClassRootHClass(fun.GetTaggedType(), hclass.GetTaggedType());
228 } else {
229 thread->GetEcmaVM()->GetPGOProfiler()->ProfileProtoTransitionClass(fun, hclass, proto);
230 }
231 }
232 return *hclass;
233 }
234
CalcuExpotedOfProperties(JSThread * thread,const JSHandle<JSFunction> & fun,bool * isStartObjSizeTracking)235 uint32_t JSFunction::CalcuExpotedOfProperties(JSThread *thread, const JSHandle<JSFunction> &fun,
236 bool *isStartObjSizeTracking)
237 {
238 JSTaggedValue prototype = fun.GetTaggedValue();
239 uint32_t expectedPropertyCount = 0;
240 while (prototype.IsJSFunction()) {
241 JSTaggedValue method = JSFunction::Cast(prototype.GetTaggedObject())->GetMethod(thread);
242 uint32_t count = Method::Cast(method.GetTaggedObject())->GetExpectedPropertyCount();
243 prototype = JSObject::GetPrototype(thread, prototype);
244 // if equal MAX_EXPECTED_PROPERTY_COUNT means none expectedProperty in method
245 if (count == MethodLiteral::MAX_EXPECTED_PROPERTY_COUNT) {
246 continue;
247 }
248 expectedPropertyCount += count;
249 }
250 expectedPropertyCount += JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS;
251 // if equal DEFAULT_CAPACITY_OF_IN_OBJECTS mean none expectedProperty in func
252 if (expectedPropertyCount == JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS) {
253 *isStartObjSizeTracking = false;
254 return expectedPropertyCount;
255 }
256 if (expectedPropertyCount > PropertyAttributes::MAX_FAST_PROPS_CAPACITY) {
257 return PropertyAttributes::MAX_FAST_PROPS_CAPACITY;
258 }
259 return expectedPropertyCount;
260 }
261
PrototypeGetter(JSThread * thread,const JSHandle<JSObject> & self)262 JSTaggedValue JSFunction::PrototypeGetter(JSThread *thread, const JSHandle<JSObject> &self)
263 {
264 JSHandle<JSFunction> func = JSHandle<JSFunction>::Cast(self);
265 if (!func->HasFunctionPrototype(thread)) {
266 JSHandle<JSTaggedValue> proto = JSHandle<JSTaggedValue>::Cast(NewJSFunctionPrototype(thread, func));
267 if (thread->GetEcmaVM()->IsEnablePGOProfiler()) {
268 thread->GetEcmaVM()->GetPGOProfiler()->ProfileClassRootHClass(func.GetTaggedType(),
269 JSTaggedType(proto->GetTaggedObject()->GetClass()), pgo::ProfileType::Kind::PrototypeId);
270 }
271 }
272 return JSFunction::Cast(*self)->GetFunctionPrototype(thread);
273 }
274
PrototypeSetter(JSThread * thread,const JSHandle<JSObject> & self,const JSHandle<JSTaggedValue> & value,bool mayThrow)275 bool JSFunction::PrototypeSetter(JSThread *thread, const JSHandle<JSObject> &self, const JSHandle<JSTaggedValue> &value,
276 [[maybe_unused]] bool mayThrow)
277 {
278 JSHandle<JSFunction> func(self);
279 JSTaggedValue protoOrHClass = func->GetProtoOrHClass(thread);
280 if (protoOrHClass.IsJSHClass()) {
281 // need transition
282 JSHandle<JSHClass> hclass(thread, JSHClass::Cast(protoOrHClass.GetTaggedObject()));
283 hclass->CompleteObjSizeTracking(thread);
284 JSHandle<JSHClass> newClass = JSHClass::SetPrototypeWithNotification(thread, hclass, value);
285 func->SetProtoOrHClass(thread, newClass);
286 // Forbide to profile for changing the function prototype after an instance of the function has been created
287 if (!hclass->IsAOT() && thread->GetEcmaVM()->IsEnablePGOProfiler()) {
288 EntityId ctorMethodId = Method::Cast(func->GetMethod(thread).GetTaggedObject())->GetMethodId();
289 thread->GetEcmaVM()->GetPGOProfiler()->InsertSkipCtorMethodIdSafe(ctorMethodId);
290 }
291 } else {
292 if (!value->IsECMAObject()) {
293 func->SetProtoOrHClass(thread, value.GetTaggedValue());
294 return true;
295 }
296
297 bool enablePgo = thread->GetEcmaVM()->IsEnablePGOProfiler();
298 JSMutableHandle<JSTaggedValue> oldPrototype(thread, func->GetProtoOrHClass(thread));
299 // For pgo, we need the oldPrototype to record the old ihc and phc.
300 if (enablePgo && oldPrototype->IsHole()) {
301 oldPrototype.Update(JSHandle<JSTaggedValue>::Cast(NewJSFunctionPrototype(thread, func)));
302 }
303 JSHandle<JSTaggedValue> baseIhc(thread, value->GetTaggedObject()->GetClass());
304 func->SetProtoOrHClass(thread, value.GetTaggedValue());
305 JSHClass::OptimizePrototypeForIC(thread, thread->GetGlobalEnv(), value, true);
306 if (thread->GetEcmaVM()->IsEnablePGOProfiler()) {
307 thread->GetEcmaVM()->GetPGOProfiler()->ProfileProtoTransitionPrototype(func, value, oldPrototype, baseIhc);
308 }
309 }
310 return true;
311 }
312
SetFunctionPrototypeOrInstanceHClass(const JSThread * thread,const JSHandle<JSFunction> & fun,JSTaggedValue protoOrHClass)313 void JSFunction::SetFunctionPrototypeOrInstanceHClass(const JSThread *thread, const JSHandle<JSFunction> &fun,
314 JSTaggedValue protoOrHClass)
315 {
316 JSHandle<JSTaggedValue> protoHandle(thread, protoOrHClass);
317 fun->SetProtoOrHClass(thread, protoOrHClass);
318 if (protoHandle->IsJSHClass()) {
319 protoHandle = JSHandle<JSTaggedValue>(thread,
320 JSHClass::Cast(protoHandle->GetTaggedObject())->GetPrototype(thread));
321 }
322 if (protoHandle->IsECMAObject()) {
323 JSHClass::OptimizePrototypeForIC(thread, thread->GetGlobalEnv(), protoHandle);
324 }
325 }
326
GetFunctionNameString(const JSThread * thread,ObjectFactory * factory,JSHandle<EcmaString> concatString,JSHandle<JSTaggedValue> target)327 EcmaString *JSFunction::GetFunctionNameString(const JSThread *thread, ObjectFactory *factory,
328 JSHandle<EcmaString> concatString, JSHandle<JSTaggedValue> target)
329 {
330 if (target->IsJSFunction()) {
331 JSTaggedValue method = JSHandle<JSFunction>::Cast(target)->GetMethod(thread);
332 if (!method.IsUndefined()) {
333 std::string funcName = Method::Cast(method.GetTaggedObject())->ParseFunctionName(thread);
334 if (!funcName.empty()) {
335 return *factory->ConcatFromString(concatString, factory->NewFromStdString(funcName));
336 }
337 }
338 }
339 return *concatString;
340 }
341
NameGetter(JSThread * thread,const JSHandle<JSObject> & self)342 JSTaggedValue JSFunction::NameGetter(JSThread *thread, const JSHandle<JSObject> &self)
343 {
344 if (self->IsBoundFunction()) {
345 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
346 const GlobalEnvConstants *globalConst = thread->GlobalConstants();
347 JSHandle<JSBoundFunction> boundFunction(self);
348 JSHandle<JSTaggedValue> target(thread, boundFunction->GetBoundTarget(thread));
349
350 JSHandle<JSTaggedValue> nameKey = globalConst->GetHandledNameString();
351 JSHandle<JSTaggedValue> boundName = thread->GlobalConstants()->GetHandledBoundString();
352 JSHandle<JSTaggedValue> targetName = JSObject::GetProperty(thread, target, nameKey).GetValue();
353 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
354
355 JSHandle<EcmaString> handlePrefixString = JSTaggedValue::ToString(thread, boundName);
356 JSHandle<EcmaString> spaceString(globalConst->GetHandledSpaceString());
357 JSHandle<EcmaString> concatString = factory->ConcatFromString(handlePrefixString, spaceString);
358
359 EcmaString *newString;
360 if (!targetName->IsString()) {
361 newString = GetFunctionNameString(thread, factory, concatString, target);
362 } else {
363 JSHandle<EcmaString> functionName = JSHandle<EcmaString>::Cast(targetName);
364 newString = *factory->ConcatFromString(concatString, functionName);
365 }
366
367 return JSTaggedValue(newString);
368 }
369
370 JSTaggedValue method = JSHandle<JSFunction>::Cast(self)->GetMethod(thread);
371 if (method.IsUndefined()) {
372 return JSTaggedValue::Undefined();
373 }
374 Method *target = Method::Cast(method.GetTaggedObject());
375 if (target->IsNativeWithCallField()) {
376 return JSTaggedValue::Undefined();
377 }
378 auto [funcName, isASCII] = target->ParseFunctionNameView(thread);
379 if (funcName.empty()) {
380 return thread->GlobalConstants()->GetEmptyString();
381 }
382 ObjectFactory* factory = thread->GetEcmaVM()->GetFactory();
383 const JSHandle<EcmaString> nameHdl = factory->NewFromUtf8(funcName, isASCII);
384 if (JSHandle<JSFunction>::Cast(self)->GetFunctionKind(thread) == FunctionKind::GETTER_FUNCTION) {
385 return factory->ConcatFromString(
386 JSHandle<EcmaString>(thread->GlobalConstants()->GetHandledGetWithSpaceString()), nameHdl).GetTaggedValue();
387 }
388 if (JSHandle<JSFunction>::Cast(self)->GetFunctionKind(thread) == FunctionKind::SETTER_FUNCTION) {
389 return factory->ConcatFromString(
390 JSHandle<EcmaString>(thread->GlobalConstants()->GetHandledSetWithSpaceString()), nameHdl).GetTaggedValue();
391 }
392 return nameHdl.GetTaggedValue();
393 }
394
LengthGetter(JSThread * thread,const JSHandle<JSObject> & self)395 JSTaggedValue JSFunction::LengthGetter(JSThread *thread, const JSHandle<JSObject> &self)
396 {
397 // LengthGetter only support BoundFunction
398 if (self->IsBoundFunction()) {
399 JSMutableHandle<JSBoundFunction> boundFunction(thread, self.GetTaggedValue());
400 JSHandle<JSTaggedValue> arguments(thread, boundFunction->GetBoundArguments(thread));
401 uint32_t argsLength = TaggedArray::Cast(arguments->GetTaggedObject())->GetLength();
402 while (boundFunction->GetBoundTarget(thread).IsBoundFunction()) {
403 boundFunction.Update(boundFunction->GetBoundTarget(thread));
404 argsLength += TaggedArray::Cast(boundFunction->GetBoundArguments(thread))->GetLength();
405 }
406
407 JSHandle<JSTaggedValue> target(thread, boundFunction->GetBoundTarget(thread));
408 JSHandle<JSTaggedValue> lengthKey = thread->GlobalConstants()->GetHandledLengthString();
409
410 bool targetHasLength =
411 JSTaggedValue::HasOwnProperty(thread, target, lengthKey);
412 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
413 uint32_t lengthValue = 0;
414 if (targetHasLength) {
415 JSHandle<JSTaggedValue> targetLength = JSTaggedValue::GetProperty(thread, target, lengthKey).GetValue();
416 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
417 if (targetLength->IsNumber()) {
418 lengthValue =
419 std::max(0.0, JSTaggedValue::ToNumber(thread, targetLength).GetNumber() -
420 static_cast<double>(argsLength));
421 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
422 }
423 }
424 return JSTaggedValue(lengthValue);
425 }
426
427 JSHandle<JSFunction> func(self);
428 return JSTaggedValue(func->GetLength());
429 }
430
OrdinaryHasInstance(JSThread * thread,const JSHandle<JSTaggedValue> & constructor,const JSHandle<JSTaggedValue> & obj)431 bool JSFunction::OrdinaryHasInstance(JSThread *thread, const JSHandle<JSTaggedValue> &constructor,
432 const JSHandle<JSTaggedValue> &obj)
433 {
434 // 1. If IsCallable(C) is false, return false.
435 if (!constructor->IsCallable()) {
436 return false;
437 }
438
439 // 2. If C has a [[BoundTargetFunction]] internal slot, then
440 // a. Let BC be the value of C's [[BoundTargetFunction]] internal slot.
441 // b. Return InstanceofOperator(O,BC) (see 12.9.4).
442 if (constructor->IsBoundFunction()) {
443 STACK_LIMIT_CHECK(thread, false);
444 JSHandle<JSBoundFunction> boundFunction(thread, JSBoundFunction::Cast(constructor->GetTaggedObject()));
445 JSTaggedValue boundTarget = boundFunction->GetBoundTarget(thread);
446 return JSObject::InstanceOf(thread, obj, JSHandle<JSTaggedValue>(thread, boundTarget));
447 }
448 // 3. If Type(O) is not Object, return false
449 if (!obj->IsECMAObject()) {
450 return false;
451 }
452
453 // 4. Let P be Get(C, "prototype").
454 const GlobalEnvConstants *globalConst = thread->GlobalConstants();
455 JSHandle<JSTaggedValue> prototypeString = globalConst->GetHandledPrototypeString();
456 JSMutableHandle<JSTaggedValue> constructorPrototype(thread, JSTaggedValue::Undefined());
457 if (constructor->IsJSFunction()) {
458 JSHandle<JSFunction> ctor(thread, constructor->GetTaggedObject());
459 JSHandle<JSTaggedValue> ctorProtoOrHclass(thread, ctor->GetProtoOrHClass(thread));
460 if (!ctorProtoOrHclass->IsHole()) {
461 if (!ctorProtoOrHclass->IsJSHClass()) {
462 constructorPrototype.Update(ctorProtoOrHclass);
463 } else {
464 JSTaggedValue ctorProto = JSHClass::Cast(ctorProtoOrHclass->GetTaggedObject())->GetProto(thread);
465 constructorPrototype.Update(ctorProto);
466 }
467 } else {
468 constructorPrototype.Update(JSTaggedValue::GetProperty(thread, constructor, prototypeString).GetValue());
469 }
470 } else {
471 constructorPrototype.Update(JSTaggedValue::GetProperty(thread, constructor, prototypeString).GetValue());
472 }
473
474 // 5. ReturnIfAbrupt(P).
475 // no throw exception, so needn't return
476 RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, false);
477
478 // 6. If Type(P) is not Object, throw a TypeError exception.
479 if (!constructorPrototype->IsECMAObject()) {
480 THROW_TYPE_ERROR_AND_RETURN(thread, "HasInstance: is not Object", false);
481 }
482
483 // 7. Repeat
484 // a.Let O be O.[[GetPrototypeOf]]().
485 // b.ReturnIfAbrupt(O).
486 // c.If O is null, return false.
487 // d.If SameValue(P, O) is true, return true.
488 JSMutableHandle<JSTaggedValue> object(thread, obj.GetTaggedValue());
489 while (!object->IsNull()) {
490 if (JSTaggedValue::SameValue(thread, object, constructorPrototype)) {
491 return true;
492 }
493 object.Update(JSTaggedValue::GetPrototype(thread, object));
494 RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, false);
495 }
496 return false;
497 }
498
MakeConstructor(JSThread * thread,const JSHandle<JSFunction> & func,const JSHandle<JSTaggedValue> & proto,bool writable)499 bool JSFunction::MakeConstructor(JSThread *thread, const JSHandle<JSFunction> &func,
500 const JSHandle<JSTaggedValue> &proto, bool writable)
501 {
502 ASSERT_PRINT(proto->IsHeapObject() || proto->IsUndefined(), "proto must be JSObject or Undefined");
503 ASSERT_PRINT(func->IsConstructor(), "func must be Constructor type");
504 JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
505 const GlobalEnvConstants *globalConst = thread->GlobalConstants();
506 JSHandle<JSTaggedValue> constructorKey = globalConst->GetHandledConstructorString();
507
508 ASSERT_PRINT(func->GetProtoOrHClass(thread).IsHole() && func->IsExtensible(),
509 "function doesn't has proto_type property and is extensible object");
510 ASSERT_PRINT(JSObject::HasProperty(thread, JSHandle<JSObject>(func), constructorKey),
511 "function must have constructor");
512
513 // proto.constructor = func
514 bool status = false;
515 if (proto->IsUndefined()) {
516 // Let prototype be ObjectCreate(%ObjectPrototype%).
517 JSHandle<JSTaggedValue> objPrototype = env->GetObjectFunctionPrototype();
518 PropertyDescriptor constructorDesc(thread, JSHandle<JSTaggedValue>::Cast(func), writable, false, true);
519 status = JSTaggedValue::DefinePropertyOrThrow(thread, objPrototype, constructorKey, constructorDesc);
520 } else {
521 PropertyDescriptor constructorDesc(thread, JSHandle<JSTaggedValue>::Cast(func), writable, false, true);
522 status = JSTaggedValue::DefinePropertyOrThrow(thread, proto, constructorKey, constructorDesc);
523 }
524 RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, false);
525
526 ASSERT_PRINT(status, "DefineProperty construct failed");
527 // func.prototype = proto
528 // Let status be DefinePropertyOrThrow(F, "prototype", PropertyDescriptor{[[Value]]:
529 // prototype, [[Writable]]: writablePrototype, [[Enumerable]]: false, [[Configurable]]: false}).
530 SetFunctionPrototypeOrInstanceHClass(thread, func, proto.GetTaggedValue());
531
532 ASSERT_PRINT(status, "DefineProperty proto_type failed");
533 return status;
534 }
535
Call(EcmaRuntimeCallInfo * info)536 JSTaggedValue JSFunction::Call(EcmaRuntimeCallInfo *info)
537 {
538 if (info == nullptr) {
539 return JSTaggedValue::Exception();
540 }
541
542 JSThread *thread = info->GetThread();
543 // 1. ReturnIfAbrupt(F).
544 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
545 JSHandle<JSTaggedValue> func = info->GetFunction();
546 // 2. If argumentsList was not passed, let argumentsList be a new empty List.
547 // 3. If IsCallable(F) is false, throw a TypeError exception.
548 if (!func->IsCallable()) {
549 RETURN_STACK_BEFORE_THROW_IF_ASM(thread);
550 THROW_TYPE_ERROR_AND_RETURN(thread, "Callable is false", JSTaggedValue::Exception());
551 }
552
553 auto *hclass = func->GetTaggedObject()->GetClass();
554 if (hclass->IsClassConstructor()) {
555 RETURN_STACK_BEFORE_THROW_IF_ASM(thread);
556 THROW_TYPE_ERROR_AND_RETURN(thread, "class constructor cannot call", JSTaggedValue::Exception());
557 }
558 return EcmaInterpreter::Execute(info);
559 }
560
Construct(EcmaRuntimeCallInfo * info)561 JSTaggedValue JSFunction::Construct(EcmaRuntimeCallInfo *info)
562 {
563 if (info == nullptr) {
564 return JSTaggedValue::Exception();
565 }
566
567 JSThread *thread = info->GetThread();
568 JSHandle<JSTaggedValue> func(info->GetFunction());
569 JSHandle<JSTaggedValue> target = info->GetNewTarget();
570 if (target->IsUndefined()) {
571 target = func;
572 info->SetNewTarget(target.GetTaggedValue());
573 }
574 if (!(func->IsConstructor() && target->IsConstructor())) {
575 RETURN_STACK_BEFORE_THROW_IF_ASM(thread);
576 THROW_TYPE_ERROR_AND_RETURN(thread, "Constructor is false", JSTaggedValue::Exception());
577 }
578
579 if (func->IsJSFunction()) {
580 return JSFunction::ConstructInternal(info);
581 } else if (func->IsJSProxy()) {
582 return JSProxy::ConstructInternal(info);
583 } else {
584 ASSERT(func->IsBoundFunction());
585 return JSBoundFunction::ConstructInternal(info);
586 }
587 }
588
Invoke(EcmaRuntimeCallInfo * info,const JSHandle<JSTaggedValue> & key)589 JSTaggedValue JSFunction::Invoke(EcmaRuntimeCallInfo *info, const JSHandle<JSTaggedValue> &key)
590 {
591 if (info == nullptr) {
592 return JSTaggedValue::Exception();
593 }
594
595 ASSERT(JSTaggedValue::IsPropertyKey(key));
596 JSThread *thread = info->GetThread();
597 JSHandle<JSTaggedValue> thisArg = info->GetThis();
598 JSHandle<JSTaggedValue> func(JSTaggedValue::GetProperty(thread, thisArg, key).GetValue());
599 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
600 info->SetFunction(func.GetTaggedValue());
601 return JSFunction::Call(info);
602 }
603
InvokeOptimizedEntrypoint(JSThread * thread,JSHandle<JSFunction> mainFunc,JSHandle<JSTaggedValue> & thisArg,CJSInfo * cjsInfo)604 JSTaggedValue JSFunction::InvokeOptimizedEntrypoint(JSThread *thread, JSHandle<JSFunction> mainFunc,
605 JSHandle<JSTaggedValue> &thisArg, CJSInfo* cjsInfo)
606 {
607 ASSERT(thread->IsInManagedState());
608 if (mainFunc->IsClassConstructor()) {
609 {
610 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
611 JSHandle<JSObject> error = factory->GetJSError(ErrorType::TYPE_ERROR,
612 "class constructor cannot called without 'new'", StackCheck::NO);
613 thread->SetException(error.GetTaggedValue());
614 }
615 return thread->GetException();
616 }
617 Method *method = mainFunc->GetCallTarget(thread);
618 size_t actualNumArgs = method->GetNumArgs();
619 const JSTaggedType *prevFp = thread->GetLastLeaveFrame();
620 JSTaggedValue res;
621 std::vector<JSTaggedType> args;
622 #if ECMASCRIPT_ENABLE_FUNCTION_CALL_TIMER
623 RuntimeStubs::StartCallTimer(thread->GetGlueAddr(), mainFunc.GetTaggedType(), true);
624 #endif
625 if (mainFunc->IsCompiledFastCall()) {
626 // entry of aot
627 args = JSFunction::GetArgsData(thread, true, thisArg, mainFunc, cjsInfo);
628 res = thread->GetEcmaVM()->FastCallAot(actualNumArgs, args.data(), prevFp);
629 } else {
630 args = JSFunction::GetArgsData(thread, false, thisArg, mainFunc, cjsInfo);
631 // entry of aot
632 res = thread->GetEcmaVM()->ExecuteAot(actualNumArgs, args.data(), prevFp, false);
633 }
634 #if ECMASCRIPT_ENABLE_FUNCTION_CALL_TIMER
635 RuntimeStubs::EndCallTimer(thread->GetGlueAddr(), mainFunc.GetTaggedType());
636 #endif
637 if (thread->HasPendingException()) {
638 return thread->GetException();
639 }
640 return res;
641 }
642
GetArgsData(JSThread * thread,bool isFastCall,JSHandle<JSTaggedValue> & thisArg,JSHandle<JSFunction> mainFunc,CJSInfo * cjsInfo)643 std::vector<JSTaggedType> JSFunction::GetArgsData(JSThread *thread, bool isFastCall, JSHandle<JSTaggedValue> &thisArg,
644 JSHandle<JSFunction> mainFunc, CJSInfo* cjsInfo)
645 {
646 size_t argsNum;
647 uint32_t mandatoryNum;
648 Method *method = mainFunc->GetCallTarget(thread);
649 size_t actualNumArgs = method->GetNumArgs();
650 if (isFastCall) {
651 argsNum = actualNumArgs + NUM_MANDATORY_JSFUNC_ARGS - 1;
652 mandatoryNum = NUM_MANDATORY_JSFUNC_ARGS - 1;
653 } else {
654 argsNum = actualNumArgs + NUM_MANDATORY_JSFUNC_ARGS;
655 mandatoryNum = NUM_MANDATORY_JSFUNC_ARGS;
656 }
657 std::vector<JSTaggedType> args(argsNum, JSTaggedValue::Undefined().GetRawData());
658 args[0] = mainFunc.GetTaggedValue().GetRawData();
659 if (isFastCall) {
660 args[1] = thisArg.GetTaggedValue().GetRawData(); // 1: args number
661 } else {
662 args[2] = thisArg.GetTaggedValue().GetRawData(); // 2: args number
663 }
664 if (cjsInfo != nullptr) {
665 args[mandatoryNum++] = cjsInfo->exportsHdl.GetTaggedValue().GetRawData();
666 args[mandatoryNum++] = cjsInfo->requireHdl.GetTaggedValue().GetRawData();
667 args[mandatoryNum++] = cjsInfo->moduleHdl.GetTaggedValue().GetRawData();
668 args[mandatoryNum++] = cjsInfo->filenameHdl.GetTaggedValue().GetRawData();
669 args[mandatoryNum] = cjsInfo->dirnameHdl.GetTaggedValue().GetRawData();
670 }
671 return args;
672 }
673
InvokeOptimizedEntrypoint(JSThread * thread,JSHandle<JSFunction> func,EcmaRuntimeCallInfo * info)674 JSTaggedValue JSFunction::InvokeOptimizedEntrypoint(JSThread *thread, JSHandle<JSFunction> func,
675 EcmaRuntimeCallInfo *info)
676 {
677 ASSERT(thread->IsInManagedState());
678 Method *method = func->GetCallTarget(thread);
679 JSTaggedValue resultValue;
680 size_t numArgs = method->GetNumArgsWithCallField();
681 bool needPushArgv = numArgs > info->GetArgsNumber();
682 const JSTaggedType *prevFp = thread->GetLastLeaveFrame();
683 #if ECMASCRIPT_ENABLE_FUNCTION_CALL_TIMER
684 RuntimeStubs::StartCallTimer(thread->GetGlueAddr(), func.GetTaggedType(), true);
685 #endif
686 if (func->IsCompiledFastCall()) {
687 if (needPushArgv) {
688 info = EcmaInterpreter::ReBuildRuntimeCallInfo(thread, info, numArgs);
689 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
690 }
691 JSTaggedType *stackArgs = info->GetArgs();
692 stackArgs[1] = stackArgs[0];
693 resultValue = thread->GetEcmaVM()->FastCallAot(info->GetArgsNumber(), stackArgs + 1, prevFp);
694 } else {
695 resultValue = thread->GetEcmaVM()->ExecuteAot(info->GetArgsNumber(),
696 info->GetArgs(), prevFp, needPushArgv);
697 }
698 #if ECMASCRIPT_ENABLE_FUNCTION_CALL_TIMER
699 RuntimeStubs::EndCallTimer(thread->GetGlueAddr(), func.GetTaggedType());
700 #endif
701 return resultValue;
702 }
703
704 // [[Construct]]
ConstructInternal(EcmaRuntimeCallInfo * info)705 JSTaggedValue JSFunction::ConstructInternal(EcmaRuntimeCallInfo *info)
706 {
707 ASSERT(info != nullptr);
708 JSThread *thread = info->GetThread();
709 // func need to create a new handle, because optimized EcmaRuntimeCallInfo may overwrite this position.
710 JSHandle<JSFunction> func(thread, info->GetFunction().GetTaggedValue());
711 JSHandle<JSTaggedValue> newTarget(info->GetNewTarget());
712 ASSERT(newTarget->IsECMAObject());
713 if (!func->IsConstructor()) {
714 RETURN_STACK_BEFORE_THROW_IF_ASM(thread);
715 THROW_TYPE_ERROR_AND_RETURN(thread, "Constructor is false", JSTaggedValue::Exception());
716 }
717
718 JSHandle<JSTaggedValue> obj(thread, JSTaggedValue::Undefined());
719 if (func->IsBase(thread)) {
720 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
721 obj = JSHandle<JSTaggedValue>(factory->NewJSObjectByConstructor(func, newTarget));
722 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
723 }
724
725 JSTaggedValue resultValue;
726 info->SetThis(obj.GetTaggedValue());
727 if (func->IsCompiledCode()) {
728 resultValue = InvokeOptimizedEntrypoint(thread, func, info);
729 const JSTaggedType *curSp = thread->GetCurrentSPFrame();
730 InterpretedEntryFrame *entryState = InterpretedEntryFrame::GetFrameFromSp(curSp);
731 JSTaggedType *prevSp = entryState->base.prev;
732 thread->SetCurrentSPFrame(prevSp);
733 } else {
734 resultValue = EcmaInterpreter::Execute(info);
735 }
736 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
737 // 9.3.2 [[Construct]] (argumentsList, newTarget)
738 if (resultValue.IsECMAObject()) {
739 return resultValue;
740 }
741 if (func->IsBase(thread)) {
742 return obj.GetTaggedValue();
743 }
744 // derived ctor(sub class) return the obj which created by base ctor(parent class)
745 if (func->IsDerivedConstructor(thread)) {
746 if (!resultValue.IsECMAObject() && !resultValue.IsUndefined()) {
747 THROW_TYPE_ERROR_AND_RETURN(thread,
748 "derived class constructor must return an object or undefined", JSTaggedValue::Exception());
749 }
750 return resultValue;
751 }
752 if (!resultValue.IsUndefined()) {
753 RETURN_STACK_BEFORE_THROW_IF_ASM(thread);
754 THROW_TYPE_ERROR_AND_RETURN(thread, "function is non-constructor", JSTaggedValue::Exception());
755 }
756 return obj.GetTaggedValue();
757 }
758
GetFunctionName(JSThread * thread,const JSHandle<JSFunctionBase> & func)759 JSHandle<JSTaggedValue> JSFunctionBase::GetFunctionName(JSThread *thread, const JSHandle<JSFunctionBase> &func)
760 {
761 JSHandle<JSTaggedValue> nameKey = thread->GlobalConstants()->GetHandledNameString();
762
763 return JSObject::GetProperty(thread, JSHandle<JSTaggedValue>(func), nameKey).GetValue();
764 }
765
SetFunctionName(JSThread * thread,const JSHandle<JSFunctionBase> & func,const JSHandle<JSTaggedValue> & name,const JSHandle<JSTaggedValue> & prefix)766 bool JSFunctionBase::SetFunctionName(JSThread *thread, const JSHandle<JSFunctionBase> &func,
767 const JSHandle<JSTaggedValue> &name, const JSHandle<JSTaggedValue> &prefix)
768 {
769 ASSERT_PRINT(func->IsExtensible(), "Function must be extensible");
770 ASSERT_PRINT(name->IsStringOrSymbol(), "name must be string or symbol");
771 bool needPrefix = false;
772 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
773 const GlobalEnvConstants *globalConst = thread->GlobalConstants();
774 if (!prefix->IsUndefined()) {
775 ASSERT_PRINT(prefix->IsString(), "prefix must be string");
776 needPrefix = true;
777 }
778 // If Type(name) is Symbol, then
779 // Let description be name’s [[Description]] value.
780 // If description is undefined, let name be the empty String.
781 // Else, let name be the concatenation of "[", description, and "]".
782 JSHandle<EcmaString> functionName;
783 if (name->IsSymbol()) {
784 JSTaggedValue description = JSHandle<JSSymbol>::Cast(name)->GetDescription(thread);
785 JSHandle<EcmaString> descriptionHandle(thread, description);
786 if (description.IsUndefined()) {
787 functionName = factory->GetEmptyString();
788 } else {
789 JSHandle<EcmaString> leftBrackets(globalConst->GetHandledLeftSquareBracketString());
790 JSHandle<EcmaString> rightBrackets(globalConst->GetHandledRightSquareBracketString());
791 functionName = factory->ConcatFromString(leftBrackets, descriptionHandle);
792 functionName = factory->ConcatFromString(functionName, rightBrackets);
793 }
794 } else {
795 functionName = JSHandle<EcmaString>::Cast(name);
796 }
797 EcmaString *newString;
798 if (needPrefix) {
799 JSHandle<EcmaString> handlePrefixString = JSTaggedValue::ToString(thread, prefix);
800 JSHandle<EcmaString> spaceString(globalConst->GetHandledSpaceString());
801 JSHandle<EcmaString> concatString = factory->ConcatFromString(handlePrefixString, spaceString);
802 newString = *factory->ConcatFromString(concatString, functionName);
803 } else {
804 newString = *functionName;
805 }
806 JSHandle<JSTaggedValue> nameHandle(thread, newString);
807 // String.prototype.trimLeft.name shoud be trimStart
808 if (!nameHandle.IsEmpty()
809 && nameHandle.GetTaggedValue() == globalConst->GetHandledTrimLeftString().GetTaggedValue()) {
810 nameHandle = globalConst->GetHandledTrimStartString();
811 }
812 // String.prototype.trimRight.name shoud be trimEnd
813 if (!nameHandle.IsEmpty()
814 && nameHandle.GetTaggedValue() == globalConst->GetHandledTrimRightString().GetTaggedValue()) {
815 nameHandle = globalConst->GetHandledTrimEndString();
816 }
817 JSHandle<JSTaggedValue> nameKey = globalConst->GetHandledNameString();
818 PropertyDescriptor nameDesc(thread, nameHandle, false, false, true);
819 JSHandle<JSTaggedValue> funcHandle(func);
820 return JSTaggedValue::DefinePropertyOrThrow(thread, funcHandle, nameKey, nameDesc);
821 }
822
SetFunctionLength(JSThread * thread,const JSHandle<JSFunction> & func,JSTaggedValue length,bool cfg)823 bool JSFunction::SetFunctionLength(JSThread *thread, const JSHandle<JSFunction> &func, JSTaggedValue length, bool cfg)
824 {
825 ASSERT_PRINT(func->IsExtensible(), "Function must be extensible");
826 ASSERT_PRINT(length.IsInteger(), "length must be integer");
827 JSHandle<JSTaggedValue> lengthKeyHandle = thread->GlobalConstants()->GetHandledLengthString();
828 ASSERT_PRINT(!JSTaggedValue::Less(thread, JSHandle<JSTaggedValue>(thread, length),
829 JSHandle<JSTaggedValue>(thread, JSTaggedValue(0))),
830 "length must be non negative integer");
831 PropertyDescriptor lengthDesc(thread, JSHandle<JSTaggedValue>(thread, length), false, false, cfg);
832 JSHandle<JSTaggedValue> funcHandle(func);
833 return JSTaggedValue::DefinePropertyOrThrow(thread, funcHandle, lengthKeyHandle, lengthDesc);
834 }
835
836 // 9.4.1.2[[Construct]](argumentsList, newTarget)
ConstructInternal(EcmaRuntimeCallInfo * info)837 JSTaggedValue JSBoundFunction::ConstructInternal(EcmaRuntimeCallInfo *info)
838 {
839 JSThread *thread = info->GetThread();
840 JSHandle<JSBoundFunction> func(info->GetFunction());
841 JSHandle<JSTaggedValue> target(thread, func->GetBoundTarget(thread));
842 if (!target->IsConstructor()) {
843 THROW_TYPE_ERROR_AND_RETURN(thread, "Constructor is false", JSTaggedValue::Exception());
844 }
845 JSHandle<JSTaggedValue> newTarget = info->GetNewTarget();
846 JSMutableHandle<JSTaggedValue> newTargetMutable(thread, newTarget.GetTaggedValue());
847 if (JSTaggedValue::SameValue(thread, func.GetTaggedValue(), newTarget.GetTaggedValue())) {
848 newTargetMutable.Update(target.GetTaggedValue());
849 }
850
851 JSHandle<TaggedArray> boundArgs(thread, func->GetBoundArguments(thread));
852 const uint32_t boundLength = boundArgs->GetLength();
853 const uint32_t argsLength = info->GetArgsNumber() + boundLength;
854 JSHandle<JSTaggedValue> undefined = thread->GlobalConstants()->GetHandledUndefined();
855 uint32_t argc = info->GetArgsNumber();
856 std::vector<JSTaggedType> argArray(argc);
857 for (uint32_t index = 0; index < argc; ++index) {
858 argArray[index] = info->GetCallArgValue(index).GetRawData();
859 }
860 JSTaggedType *currentSp = reinterpret_cast<JSTaggedType *>(info);
861 InterpretedEntryFrame *currentEntryState = InterpretedEntryFrame::GetFrameFromSp(currentSp);
862 JSTaggedType *prevSp = currentEntryState->base.prev;
863 thread->SetCurrentSPFrame(prevSp);
864 EcmaRuntimeCallInfo *runtimeInfo =
865 EcmaInterpreter::NewRuntimeCallInfo(thread, target, undefined, newTargetMutable, argsLength);
866 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
867 if (boundLength != 0) {
868 runtimeInfo->SetCallArg(boundLength, boundArgs);
869 }
870 for (uint32_t index = 0; index < argc; index++) {
871 runtimeInfo->SetCallArg(static_cast<uint32_t>(index + boundLength), JSTaggedValue(argArray[index]));
872 }
873 return JSFunction::Construct(runtimeInfo);
874 }
875
ProxyRevocFunctions(const JSThread * thread,const JSHandle<JSProxyRevocFunction> & revoker)876 void JSProxyRevocFunction::ProxyRevocFunctions(const JSThread *thread, const JSHandle<JSProxyRevocFunction> &revoker)
877 {
878 // 1.Let p be the value of F’s [[RevocableProxy]] internal slot.
879 JSTaggedValue proxy = revoker->GetRevocableProxy(thread);
880 // 2.If p is null, return undefined.
881 if (proxy.IsNull()) {
882 return;
883 }
884
885 // 3.Set the value of F’s [[RevocableProxy]] internal slot to null.
886 revoker->SetRevocableProxy(thread, JSTaggedValue::Null());
887
888 // 4.Assert: p is a Proxy object.
889 ASSERT(proxy.IsJSProxy());
890 JSHandle<JSProxy> proxyHandle(thread, proxy);
891
892 // 5 ~ 6 Set internal slot of p to null.
893 proxyHandle->SetTarget(thread, JSTaggedValue::Null());
894 proxyHandle->SetHandler(thread, JSTaggedValue::Null());
895 proxyHandle->SetIsRevoked(true);
896 }
897
AccessCallerArgumentsThrowTypeError(EcmaRuntimeCallInfo * argv)898 JSTaggedValue JSFunction::AccessCallerArgumentsThrowTypeError(EcmaRuntimeCallInfo *argv)
899 {
900 THROW_TYPE_ERROR_AND_RETURN(argv->GetThread(),
901 "Under strict mode, 'caller' and 'arguments' properties must not be accessed.",
902 JSTaggedValue::Exception());
903 }
904
IntlNameGetter(JSThread * thread,const JSHandle<JSObject> & self)905 JSTaggedValue JSIntlBoundFunction::IntlNameGetter(JSThread *thread, [[maybe_unused]] const JSHandle<JSObject> &self)
906 {
907 return thread->GlobalConstants()->GetEmptyString();
908 }
909
SetFunctionNameNoPrefix(JSThread * thread,JSFunction * func,JSTaggedValue name)910 void JSFunction::SetFunctionNameNoPrefix(JSThread *thread, JSFunction *func, JSTaggedValue name)
911 {
912 ASSERT_PRINT(func->IsExtensible(), "Function must be extensible");
913 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
914 const GlobalEnvConstants *globalConst = thread->GlobalConstants();
915
916 JSHandle<JSTaggedValue> funcHandle(thread, func);
917 {
918 JSMutableHandle<JSTaggedValue> nameHandle(thread, JSTaggedValue::Undefined());
919 if (!name.IsSymbol()) {
920 nameHandle.Update(name);
921 } else {
922 JSHandle<JSTaggedValue> nameBegin(thread, name);
923 JSTaggedValue description = JSSymbol::Cast(name.GetTaggedObject())->GetDescription(thread);
924 if (description.IsUndefined()) {
925 nameHandle.Update(globalConst->GetEmptyString());
926 } else {
927 JSHandle<EcmaString> leftBrackets(globalConst->GetHandledLeftSquareBracketString());
928 JSHandle<EcmaString> rightBrackets(globalConst->GetHandledRightSquareBracketString());
929 JSHandle<EcmaString> concatName = factory->ConcatFromString(leftBrackets,
930 JSHandle<EcmaString>(thread, JSSymbol::Cast(nameBegin->GetTaggedObject())->GetDescription(thread)));
931 concatName = factory->ConcatFromString(concatName, rightBrackets);
932 nameHandle.Update(concatName.GetTaggedValue());
933 }
934 }
935 PropertyDescriptor nameDesc(thread, nameHandle, false, false, true);
936 JSTaggedValue::DefinePropertyOrThrow(thread, funcHandle, globalConst->GetHandledNameString(), nameDesc);
937 }
938 }
939
GetInstanceJSHClass(JSThread * thread,JSHandle<JSFunction> constructor,JSHandle<JSTaggedValue> newTarget)940 JSHandle<JSHClass> JSFunction::GetInstanceJSHClass(JSThread *thread, JSHandle<JSFunction> constructor,
941 JSHandle<JSTaggedValue> newTarget)
942 {
943 JSHandle<JSHClass> ctorInitialJSHClass(thread, JSFunction::GetOrCreateInitialJSHClass(thread, constructor));
944 // newTarget is construct itself
945 if (newTarget.GetTaggedValue() == constructor.GetTaggedValue()) {
946 return ctorInitialJSHClass;
947 }
948
949 // newTarget is derived-class of constructor
950 if (newTarget->IsJSFunction()) {
951 JSHandle<JSFunction> newTargetFunc = JSHandle<JSFunction>::Cast(newTarget);
952 if (newTargetFunc->IsDerivedConstructor(thread)) {
953 JSMutableHandle<JSTaggedValue> mutableNewTarget(thread, newTarget.GetTaggedValue());
954 JSMutableHandle<JSTaggedValue> mutableNewTargetProto(thread, JSTaggedValue::Undefined());
955 while (!mutableNewTargetProto->IsNull()) {
956 mutableNewTargetProto.Update(JSTaggedValue::GetPrototype(thread, mutableNewTarget));
957 RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSHClass, thread);
958 if (mutableNewTargetProto.GetTaggedValue() == constructor.GetTaggedValue()) {
959 return GetOrCreateDerivedJSHClass(thread, newTargetFunc, ctorInitialJSHClass);
960 }
961 mutableNewTarget.Update(mutableNewTargetProto.GetTaggedValue());
962 }
963 }
964 }
965
966 // ECMA2015 9.1.15 3.Let proto be Get(constructor, "prototype").
967 JSMutableHandle<JSTaggedValue> prototype(thread, JSTaggedValue::Undefined());
968 if (newTarget->IsJSFunction()) {
969 JSHandle<JSFunction> newTargetFunc = JSHandle<JSFunction>::Cast(newTarget);
970 FunctionKind kind = newTargetFunc->GetFunctionKind(thread);
971 if (HasPrototype(kind)) {
972 prototype.Update(PrototypeGetter(thread, JSHandle<JSObject>::Cast(newTargetFunc)));
973 }
974 } else {
975 // Such case: bound function and define a "prototype" property.
976 JSHandle<JSTaggedValue> customizePrototype =
977 JSTaggedValue::GetProperty(thread, newTarget, thread->GlobalConstants()->GetHandledPrototypeString())
978 .GetValue();
979 RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSHClass, thread);
980 prototype.Update(customizePrototype.GetTaggedValue());
981 // Reload JSHClass of constructor, where the lookup of 'prototype' property may change it.
982 ctorInitialJSHClass = JSHandle<JSHClass>(thread, JSFunction::GetOrCreateInitialJSHClass(thread, constructor));
983 }
984
985 if (!prototype->IsECMAObject()) {
986 prototype.Update(constructor->GetFunctionPrototype(thread));
987 }
988
989 JSHandle<JSHClass> newJSHClass = JSHClass::Clone(thread, ctorInitialJSHClass);
990 newJSHClass->SetElementsKind(ElementsKind::GENERIC);
991 newJSHClass->SetPrototype(thread, prototype);
992
993 return newJSHClass;
994 }
995
GetOrCreateDerivedJSHClass(JSThread * thread,JSHandle<JSFunction> derived,JSHandle<JSHClass> ctorInitialJSHClass)996 JSHandle<JSHClass> JSFunction::GetOrCreateDerivedJSHClass(JSThread *thread, JSHandle<JSFunction> derived,
997 JSHandle<JSHClass> ctorInitialJSHClass)
998 {
999 JSTaggedValue protoOrHClass(derived->GetProtoOrHClass(thread));
1000 // has cached JSHClass, return directly
1001 if (protoOrHClass.IsJSHClass()) {
1002 return JSHandle<JSHClass>(thread, protoOrHClass);
1003 }
1004 JSHandle<JSHClass> newJSHClass;
1005 if (thread->GetEcmaVM()->GetJSOptions().IsEnableInlinePropertyOptimization()) {
1006 bool isStartObjSizeTracking = true;
1007 uint32_t expectedOfProperties = CalcuExpotedOfProperties(thread, derived, &isStartObjSizeTracking);
1008 if (isStartObjSizeTracking) {
1009 newJSHClass = JSHClass::CloneAndIncInlinedProperties(thread, ctorInitialJSHClass, expectedOfProperties);
1010 newJSHClass->StartObjSizeTracking();
1011 } else {
1012 newJSHClass = JSHClass::Clone(thread, ctorInitialJSHClass);
1013 }
1014 } else {
1015 newJSHClass = JSHClass::Clone(thread, ctorInitialJSHClass);
1016 }
1017 newJSHClass->SetElementsKind(ElementsKind::GENERIC);
1018 // guarante derived has function prototype
1019 JSHandle<JSTaggedValue> prototype(thread, derived->GetProtoOrHClass(thread));
1020 ASSERT(!prototype->IsHole());
1021 newJSHClass->SetPrototype(thread, prototype);
1022 derived->SetProtoOrHClass(thread, newJSHClass);
1023
1024 if (thread->GetEcmaVM()->IsEnablePGOProfiler()) {
1025 thread->GetEcmaVM()->GetPGOProfiler()->ProfileClassRootHClass(derived.GetTaggedType(),
1026 newJSHClass.GetTaggedType());
1027 }
1028
1029 return newJSHClass;
1030 }
1031
GetRecordName(const JSThread * thread) const1032 CString JSFunction::GetRecordName(const JSThread *thread) const
1033 {
1034 JSTaggedValue module = GetModule(thread);
1035 if (module.IsSourceTextModule()) {
1036 return SourceTextModule::GetModuleName(module);
1037 }
1038 if (module.IsString()) {
1039 return ConvertToString(thread, module);
1040 }
1041 LOG_INTERPRETER(DEBUG) << "record name is undefined";
1042 return "";
1043 }
1044
1045 // Those interface below is discarded
InitializeJSFunction(JSThread * thread,const JSHandle<GlobalEnv> & env,const JSHandle<JSFunction> & func,FunctionKind kind)1046 void JSFunction::InitializeJSFunction(JSThread *thread, [[maybe_unused]] const JSHandle<GlobalEnv> &env,
1047 const JSHandle<JSFunction> &func, FunctionKind kind)
1048 {
1049 InitializeJSFunction(thread, func, kind);
1050 }
1051
NameSetter(JSThread * thread,const JSHandle<JSObject> & self,const JSHandle<JSTaggedValue> & value,bool mayThrow)1052 bool JSFunction::NameSetter(JSThread *thread, const JSHandle<JSObject> &self, const JSHandle<JSTaggedValue> &value,
1053 [[maybe_unused]] bool mayThrow)
1054 {
1055 if (self->IsPropertiesDict(thread)) {
1056 // replace setter with value
1057 JSHandle<JSTaggedValue> nameString = thread->GlobalConstants()->GetHandledNameString();
1058 return self->UpdatePropertyInDictionary(thread, nameString.GetTaggedValue(), value.GetTaggedValue());
1059 }
1060 self->SetPropertyInlinedProps(thread, NAME_INLINE_PROPERTY_INDEX, value.GetTaggedValue());
1061 return true;
1062 }
1063
1064 // NOTE: move to INL file?
SetFunctionLength(const JSThread * thread,JSTaggedValue length)1065 void JSFunction::SetFunctionLength(const JSThread *thread, JSTaggedValue length)
1066 {
1067 ASSERT(!IsPropertiesDict(thread));
1068 SetPropertyInlinedProps(thread, LENGTH_INLINE_PROPERTY_INDEX, length);
1069 }
1070
1071 // static
SetFunctionExtraInfo(JSThread * thread,const JSHandle<JSFunction> & func,void * nativeFunc,const NativePointerCallback & deleter,void * data,size_t nativeBindingsize,Concurrent isConcurrent)1072 void JSFunction::SetFunctionExtraInfo(JSThread *thread, const JSHandle<JSFunction> &func, void *nativeFunc,
1073 const NativePointerCallback &deleter, void *data, size_t nativeBindingsize,
1074 Concurrent isConcurrent)
1075 {
1076 JSTaggedType hashField = Barriers::GetTaggedValue(thread, *func, HASH_OFFSET);
1077 EcmaVM *vm = thread->GetEcmaVM();
1078 JSHandle<JSTaggedValue> value(thread, JSTaggedValue(hashField));
1079 JSHandle<JSNativePointer> pointer = vm->GetFactory()->NewJSNativePointer(nativeFunc, deleter, data,
1080 false, nativeBindingsize, isConcurrent);
1081 if (!func->HasHash(thread)) {
1082 Barriers::SetObject<true>(thread, *func, HASH_OFFSET, pointer.GetTaggedValue().GetRawData());
1083 return;
1084 }
1085 if (value->IsHeapObject()) {
1086 if (value->IsJSNativePointer()) {
1087 Barriers::SetObject<true>(thread, *func, HASH_OFFSET, pointer.GetTaggedValue().GetRawData());
1088 return;
1089 }
1090 JSHandle<TaggedArray> array(value);
1091
1092 uint32_t nativeFieldCount = array->GetExtraLength();
1093 if (array->GetLength() >= nativeFieldCount + RESOLVED_MAX_SIZE) {
1094 array->Set(thread, nativeFieldCount + FUNCTION_EXTRA_INDEX, pointer);
1095 } else {
1096 JSHandle<TaggedArray> newArray = vm->GetFactory()->NewTaggedArray(nativeFieldCount + RESOLVED_MAX_SIZE);
1097 newArray->SetExtraLength(nativeFieldCount);
1098 for (uint32_t i = 0; i < nativeFieldCount; i++) {
1099 newArray->Set(thread, i, array->Get(thread, i));
1100 }
1101 newArray->Set(thread, nativeFieldCount + HASH_INDEX, array->Get(thread, nativeFieldCount + HASH_INDEX));
1102 newArray->Set(thread, nativeFieldCount + FUNCTION_EXTRA_INDEX, pointer);
1103 Barriers::SetObject<true>(thread, *func, HASH_OFFSET, newArray.GetTaggedValue().GetRawData());
1104 }
1105 } else {
1106 JSHandle<TaggedArray> newArray = vm->GetFactory()->NewTaggedArray(RESOLVED_MAX_SIZE);
1107 newArray->SetExtraLength(0);
1108 newArray->Set(thread, HASH_INDEX, value);
1109 newArray->Set(thread, FUNCTION_EXTRA_INDEX, pointer);
1110 Barriers::SetObject<true>(thread, *func, HASH_OFFSET, newArray.GetTaggedValue().GetRawData());
1111 }
1112 }
1113
1114 // static
SetSFunctionExtraInfo(JSThread * thread,const JSHandle<JSFunction> & func,void * nativeFunc,const NativePointerCallback & deleter,void * data,size_t nativeBindingsize)1115 void JSFunction::SetSFunctionExtraInfo(JSThread *thread, const JSHandle<JSFunction> &func, void *nativeFunc,
1116 const NativePointerCallback &deleter, void *data, size_t nativeBindingsize)
1117 {
1118 JSTaggedType hashField = Barriers::GetTaggedValue(thread, *func, HASH_OFFSET);
1119 EcmaVM *vm = thread->GetEcmaVM();
1120 JSHandle<JSTaggedValue> value(thread, JSTaggedValue(hashField));
1121 JSHandle<JSNativePointer> pointer =
1122 vm->GetFactory()->NewSJSNativePointer(nativeFunc, deleter, data, false, nativeBindingsize);
1123 if (!func->HasHash(thread)) {
1124 Barriers::SetObject<true>(thread, *func, HASH_OFFSET, pointer.GetTaggedValue().GetRawData());
1125 return;
1126 }
1127 if (value->IsHeapObject()) {
1128 if (value->IsJSNativePointer()) {
1129 Barriers::SetObject<true>(thread, *func, HASH_OFFSET, pointer.GetTaggedValue().GetRawData());
1130 return;
1131 }
1132 JSHandle<TaggedArray> array(value);
1133
1134 uint32_t nativeFieldCount = array->GetExtraLength();
1135 if (array->GetLength() >= nativeFieldCount + RESOLVED_MAX_SIZE) {
1136 array->Set(thread, nativeFieldCount + FUNCTION_EXTRA_INDEX, pointer);
1137 } else {
1138 JSHandle<TaggedArray> newArray =
1139 vm->GetFactory()->NewSTaggedArrayWithoutInit(nativeFieldCount + RESOLVED_MAX_SIZE);
1140 newArray->SetExtraLength(nativeFieldCount);
1141 for (uint32_t i = 0; i < nativeFieldCount; i++) {
1142 newArray->Set(thread, i, array->Get(thread, i));
1143 }
1144 newArray->Set(thread, nativeFieldCount + HASH_INDEX, array->Get(thread, nativeFieldCount + HASH_INDEX));
1145 newArray->Set(thread, nativeFieldCount + FUNCTION_EXTRA_INDEX, pointer);
1146 Barriers::SetObject<true>(thread, *func, HASH_OFFSET, newArray.GetTaggedValue().GetRawData());
1147 }
1148 } else {
1149 JSHandle<TaggedArray> newArray = vm->GetFactory()->NewSTaggedArrayWithoutInit(RESOLVED_MAX_SIZE);
1150 newArray->SetExtraLength(0);
1151 newArray->Set(thread, HASH_INDEX, value);
1152 newArray->Set(thread, FUNCTION_EXTRA_INDEX, pointer);
1153 Barriers::SetObject<true>(thread, *func, HASH_OFFSET, newArray.GetTaggedValue().GetRawData());
1154 }
1155 }
1156
SetProfileTypeInfo(const JSThread * thread,const JSHandle<JSFunction> & func,const JSHandle<JSTaggedValue> & value)1157 void JSFunction::SetProfileTypeInfo(const JSThread *thread, const JSHandle<JSFunction> &func,
1158 const JSHandle<JSTaggedValue> &value)
1159 {
1160 JSHandle<ProfileTypeInfoCell> handleRaw(thread, func->GetRawProfileTypeInfo(thread));
1161 if (handleRaw->IsEmptyProfileTypeInfoCell(thread)) {
1162 JSHandle<ProfileTypeInfoCell> handleProfileTypeInfoCell =
1163 thread->GetEcmaVM()->GetFactory()->NewProfileTypeInfoCell(value);
1164 func->SetRawProfileTypeInfo(thread, handleProfileTypeInfoCell);
1165 return;
1166 }
1167 handleRaw->SetValue(thread, value);
1168 }
1169
UpdateProfileTypeInfoCell(JSThread * thread,JSHandle<FunctionTemplate> literalFunc,JSHandle<JSFunction> targetFunc)1170 void JSFunction::UpdateProfileTypeInfoCell(JSThread *thread, JSHandle<FunctionTemplate> literalFunc,
1171 JSHandle<JSFunction> targetFunc)
1172 {
1173 auto profileTypeInfoCellVal = literalFunc->GetRawProfileTypeInfo(thread);
1174 ASSERT(profileTypeInfoCellVal.IsProfileTypeInfoCell());
1175 auto profileTypeInfoCell = ProfileTypeInfoCell::Cast(profileTypeInfoCellVal);
1176 if (profileTypeInfoCell->IsEmptyProfileTypeInfoCell(thread)) {
1177 JSHandle<JSTaggedValue> handleUndefined(thread, JSTaggedValue::Undefined());
1178 JSHandle<ProfileTypeInfoCell> newProfileTypeInfoCell =
1179 thread->GetEcmaVM()->GetFactory()->NewProfileTypeInfoCell(handleUndefined);
1180 literalFunc->SetRawProfileTypeInfo(thread, newProfileTypeInfoCell);
1181 targetFunc->SetRawProfileTypeInfo(thread, newProfileTypeInfoCell);
1182 } else {
1183 ProfileTypeInfoCell::Cast(profileTypeInfoCell)->UpdateProfileTypeInfoCellType(thread);
1184 targetFunc->SetRawProfileTypeInfo(thread, profileTypeInfoCellVal);
1185 }
1186 }
1187
SetJitMachineCodeCache(const JSThread * thread,const JSHandle<MachineCode> & machineCode)1188 void JSFunction::SetJitMachineCodeCache(const JSThread *thread, const JSHandle<MachineCode> &machineCode)
1189 {
1190 JSHandle<ProfileTypeInfoCell> handleRaw(thread, GetRawProfileTypeInfo(thread));
1191 ASSERT(!handleRaw->IsEmptyProfileTypeInfoCell(thread));
1192 handleRaw->SetMachineCode(thread, machineCode.GetTaggedValue().CreateAndGetWeakRef());
1193 }
1194
GetFunctionExtraInfo(const JSThread * thread) const1195 JSTaggedValue JSFunctionBase::GetFunctionExtraInfo(const JSThread *thread) const
1196 {
1197 JSTaggedType hashField = Barriers::GetTaggedValue(thread, this, HASH_OFFSET);
1198 JSTaggedValue value(hashField);
1199 if (value.IsHeapObject()) {
1200 if (value.IsTaggedArray()) {
1201 TaggedArray *array = TaggedArray::Cast(value.GetTaggedObject());
1202 uint32_t nativeFieldCount = array->GetExtraLength();
1203 if (array->GetLength() >= nativeFieldCount + RESOLVED_MAX_SIZE) {
1204 return array->Get(thread, nativeFieldCount + FUNCTION_EXTRA_INDEX);
1205 }
1206 }
1207 if (value.IsJSNativePointer()) {
1208 return value;
1209 }
1210 JSType valueType = value.GetTaggedObject()->GetClass()->GetObjectType();
1211 JSType thisType = this->GetClass()->GetObjectType();
1212 LOG_ECMA(FATAL) << "this branch is unreachable, thisType is " << static_cast<uint8_t>(thisType)
1213 << ", value type is " << static_cast<uint8_t>(valueType);
1214 UNREACHABLE();
1215 }
1216 return JSTaggedValue::Undefined();
1217 }
1218
GetNativeFunctionExtraInfo(const JSThread * thread) const1219 JSTaggedValue JSFunction::GetNativeFunctionExtraInfo(const JSThread *thread) const
1220 {
1221 JSTaggedType hashField = Barriers::GetTaggedValue(thread, this, HASH_OFFSET);
1222 JSTaggedValue value(hashField);
1223 if (value.CheckIsJSNativePointer()) {
1224 return value;
1225 }
1226 return JSTaggedValue::Undefined();
1227 }
1228
InitializeForConcurrentFunction(JSThread * thread,JSHandle<JSFunction> & func)1229 void JSFunction::InitializeForConcurrentFunction(JSThread *thread, JSHandle<JSFunction> &func)
1230 {
1231 JSHandle<Method> method(thread, func->GetMethod(thread));
1232 JSMutableHandle<JSTaggedValue> sendableEnv(thread, JSTaggedValue::Undefined());
1233 if (func->IsSharedFunction() && !func->GetModule(thread).IsUndefined()) {
1234 sendableEnv.Update(SourceTextModule::Cast(func->GetModule(thread))->GetSendableEnv(thread));
1235 }
1236 const JSPandaFile *jsPandaFile = method->GetJSPandaFile(thread);
1237 if (jsPandaFile == nullptr) {
1238 LOG_ECMA(ERROR) << "JSPandaFile is nullptr";
1239 return;
1240 }
1241 ecmascript::CString moduleName = jsPandaFile->GetJSPandaFileDesc();
1242 ecmascript::CString recordName = method->GetRecordNameStr(thread);
1243
1244 // check ESM or CJS
1245 ecmascript::JSRecordInfo *recordInfo = jsPandaFile->CheckAndGetRecordInfo(recordName);
1246 if (recordInfo == nullptr) {
1247 CString msg = "Cannot find module '" + recordName + "' , which is application Entry Point";
1248 LOG_ECMA(ERROR) << msg;
1249 return;
1250 }
1251
1252 if (!jsPandaFile->IsModule(recordInfo)) {
1253 LOG_ECMA(DEBUG) << "Current function is not from ES Module's file.";
1254 return;
1255 }
1256 ecmascript::ModuleManager *moduleManager = thread->GetModuleManager();
1257 LOG_ECMA(DEBUG) << "CompileMode is " << (jsPandaFile->IsBundlePack() ? "jsbundle" : "esmodule");
1258 JSHandle<ecmascript::JSTaggedValue> moduleRecord =
1259 ModuleResolver::HostResolveImportedModule(thread, moduleName, recordName);
1260 RETURN_IF_ABRUPT_COMPLETION(thread);
1261 ecmascript::SourceTextModule::Instantiate(thread, moduleRecord);
1262 RETURN_IF_ABRUPT_COMPLETION(thread);
1263 JSHandle<ecmascript::SourceTextModule> module = JSHandle<ecmascript::SourceTextModule>::Cast(moduleRecord);
1264 module->SetStatus(ecmascript::ModuleStatus::INSTANTIATED);
1265 ecmascript::SourceTextModule::EvaluateForConcurrent(thread, module, method);
1266 RETURN_IF_ABRUPT_COMPLETION(thread);
1267 if (!jsPandaFile->IsBundlePack() && func->IsSharedFunction()) {
1268 JSHandle<JSTaggedValue> sendableClassRecord = moduleManager->GenerateSendableFuncModule(moduleRecord);
1269 SourceTextModule::Cast(sendableClassRecord.GetTaggedValue())->SetSendableEnv(thread, sendableEnv);
1270 func->SetModule(thread, sendableClassRecord);
1271 } else {
1272 func->SetModule(thread, moduleRecord);
1273 }
1274
1275 // for debugger, to notify the script loaded and parsed which the concurrent function is in
1276 auto *notificationMgr = thread->GetEcmaVM()->GetJsDebuggerManager()->GetNotificationManager();
1277 notificationMgr->LoadModuleEvent(moduleName, recordName);
1278 }
1279
IsSendableOrConcurrentFunction(JSThread * thread) const1280 bool JSFunction::IsSendableOrConcurrentFunction(JSThread *thread) const
1281 {
1282 if (this->GetClass()->IsJSSharedFunction() || this->GetClass()->IsJSSharedAsyncFunction() ||
1283 this->GetFunctionKind(thread) == ecmascript::FunctionKind::CONCURRENT_FUNCTION) {
1284 return true;
1285 }
1286 return false;
1287 }
1288
IsSharedFunction() const1289 bool JSFunction::IsSharedFunction() const
1290 {
1291 if (this->GetClass()->IsJSSharedFunction() || this->GetClass()->IsJSSharedAsyncFunction()) {
1292 return true;
1293 }
1294 return false;
1295 }
1296
SetCompiledFuncEntry(uintptr_t codeEntry,bool isFastCall)1297 void JSFunctionBase::SetCompiledFuncEntry(uintptr_t codeEntry, bool isFastCall)
1298 {
1299 ASSERT(codeEntry != 0);
1300 SetCodeEntry(codeEntry);
1301 SetIsCompiledFastCall(isFastCall);
1302 SetCompiledCodeBit(true);
1303 }
1304
SetJitCompiledFuncEntry(JSThread * thread,JSHandle<MachineCode> & machineCode,bool isFastCall)1305 void JSFunction::SetJitCompiledFuncEntry(JSThread *thread, JSHandle<MachineCode> &machineCode, bool isFastCall)
1306 {
1307 uintptr_t codeEntry = machineCode->GetFuncAddr();
1308 ASSERT(codeEntry != 0);
1309
1310 SetMachineCode(thread, machineCode);
1311 SetCompiledFuncEntry(codeEntry, isFastCall);
1312 }
1313
SetJitHotnessCnt(const JSThread * thread,uint16_t cnt)1314 void JSFunction::SetJitHotnessCnt(const JSThread *thread, uint16_t cnt)
1315 {
1316 JSTaggedValue profileTypeInfoVal = GetProfileTypeInfo(thread);
1317 if (!profileTypeInfoVal.IsUndefined()) {
1318 ProfileTypeInfo *profileTypeInfo = ProfileTypeInfo::Cast(profileTypeInfoVal.GetTaggedObject());
1319 profileTypeInfo->SetJitHotnessCnt(cnt);
1320 }
1321 }
1322
GetJitHotnessCnt(const JSThread * thread) const1323 uint16_t JSFunction::GetJitHotnessCnt(const JSThread *thread) const
1324 {
1325 JSTaggedValue profileTypeInfoVal = GetProfileTypeInfo(thread);
1326 if (!profileTypeInfoVal.IsUndefined()) {
1327 ProfileTypeInfo *profileTypeInfo = ProfileTypeInfo::Cast(profileTypeInfoVal.GetTaggedObject());
1328 return profileTypeInfo->GetJitHotnessCnt();
1329 }
1330 return 0;
1331 }
1332
ClearCompiledCodeFlags()1333 void JSFunctionBase::ClearCompiledCodeFlags()
1334 {
1335 SetCompiledCodeBit(false);
1336 SetIsCompiledFastCall(false);
1337 }
1338
ClearMachineCode(const JSThread * thread)1339 void JSFunction::ClearMachineCode(const JSThread *thread)
1340 {
1341 SetMachineCode(thread, JSTaggedValue::Undefined());
1342 }
1343
ReplaceFunctionForHook(const JSThread * thread,JSHandle<JSFunction> & oldFunc,const JSHandle<JSFunction> & newFunc)1344 void JSFunction::ReplaceFunctionForHook(const JSThread *thread, JSHandle<JSFunction> &oldFunc,
1345 const JSHandle<JSFunction> &newFunc)
1346 {
1347 if (oldFunc->GetMethod(thread) == newFunc->GetMethod(thread)) {
1348 return;
1349 }
1350
1351 // Field in FunctionBase
1352 oldFunc->SetMethod(thread, newFunc->GetMethod(thread));
1353 oldFunc->SetCodeEntryOrNativePointer(newFunc->GetCodeEntryOrNativePointer());
1354 oldFunc->SetLength(newFunc->GetLength());
1355 oldFunc->SetBitField(newFunc->GetBitField());
1356 // Field in Function
1357 oldFunc->SetProtoOrHClass(thread, newFunc->GetProtoOrHClass(thread));
1358 oldFunc->SetLexicalEnv(thread, newFunc->GetLexicalEnv(thread));
1359 oldFunc->SetMachineCode(thread, newFunc->GetMachineCode(thread));
1360 oldFunc->SetBaselineCode(thread, newFunc->GetBaselineCode(thread));
1361 oldFunc->SetRawProfileTypeInfo(thread, newFunc->GetRawProfileTypeInfo(thread));
1362 oldFunc->SetHomeObject(thread, newFunc->GetHomeObject(thread));
1363 oldFunc->SetModule(thread, newFunc->GetModule(thread));
1364 oldFunc->SetWorkNodePointer(newFunc->GetWorkNodePointer());
1365 auto newFuncHashField = Barriers::GetTaggedValue(thread, *newFunc, HASH_OFFSET);
1366 JSTaggedValue value(newFuncHashField);
1367 SET_VALUE_WITH_BARRIER(thread, *oldFunc, HASH_OFFSET, value);
1368 }
1369 } // namespace panda::ecmascript
1370