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1 /*
2  * Copyright (c) 2022-2024 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 #include "ecmascript/compiler/builtins/builtins_call_signature.h"
16 #include "ecmascript/compiler/builtins/builtins_stubs.h"
17 #include "ecmascript/compiler/call_signature.h"
18 #include "ecmascript/global_env_fields.h"
19 
20 namespace panda::ecmascript::kungfu {
21 CallSignature BuiltinsStubCSigns::callSigns_[BuiltinsStubCSigns::NUM_OF_BUILTINS_STUBS_EXTEND];
22 CallSignature BuiltinsStubCSigns::builtinsCSign_;
23 CallSignature BuiltinsStubCSigns::builtinsWithArgvCSign_;
24 
Initialize()25 void BuiltinsStubCSigns::Initialize()
26 {
27 #define COMMON_INIT(name)                                               \
28     callSigns_[ID_##name].SetID(ID_##name);                             \
29     callSigns_[ID_##name].SetName(std::string("BuiltinStub_") + #name); \
30     callSigns_[ID_##name].SetConstructor(                               \
31     [](void* env) {                                                     \
32         return static_cast<void*>(                                      \
33             new name##StubBuilder(&callSigns_[ID_##name],               \
34                 static_cast<Environment*>(env), Gate::InvalidGateRef)); \
35     });
36 
37 #define INIT_BUILTINS_METHOD(name)                                   \
38     BuiltinsCallSignature::Initialize(&callSigns_[ID_##name]);       \
39     COMMON_INIT(name)
40 
41 #define INIT_BUILTINS_METHOD_DYN(name, type, ...)                    \
42     BuiltinsCallSignature::Initialize(&callSigns_[ID_##type##name]); \
43     COMMON_INIT(type##name)
44 
45 #define INIT_BUILTINS_CONSTRUCTOR_METHOD(name)                         \
46     BuiltinsWithArgvCallSignature::Initialize(&callSigns_[ID_##name]); \
47     COMMON_INIT(name)
48 
49 #define STW_COPY_INIT(name)                                          \
50     callSigns_[ID_##name].SetStwCopyStub(true);                      \
51     callSigns_[ID_##name].SetTargetKind(CallSignature::TargetKind::BUILTINS_STW_COPY_STUB);
52 
53 #define INIT_BUILTINS_METHOD_STW_COPY(name)                          \
54     INIT_BUILTINS_METHOD(name##StwCopy)                              \
55     STW_COPY_INIT(name##StwCopy)
56 
57 #define INIT_BUILTINS_METHOD_DYN_STW_COPY(name, type, ...)           \
58     INIT_BUILTINS_METHOD_DYN(name##StwCopy, type)                    \
59     STW_COPY_INIT(type##name##StwCopy)
60 
61 #define INIT_BUILTINS_CONSTRUCTOR_METHOD_STW_COPY(name)              \
62     INIT_BUILTINS_CONSTRUCTOR_METHOD(name##StwCopy)                  \
63     STW_COPY_INIT(name##StwCopy)
64 
65     BUILTINS_STUB_LIST(INIT_BUILTINS_METHOD, INIT_BUILTINS_METHOD_DYN, INIT_BUILTINS_CONSTRUCTOR_METHOD)
66     BUILTINS_STW_COPY_STUB_LIST(INIT_BUILTINS_METHOD_STW_COPY, INIT_BUILTINS_METHOD_DYN_STW_COPY, \
67         INIT_BUILTINS_CONSTRUCTOR_METHOD_STW_COPY)
68 
69 #undef INIT_BUILTINS_CONSTRUCTOR_METHOD_STW_COPY
70 #undef INIT_BUILTINS_METHOD_DYN_STW_COPY
71 #undef INIT_BUILTINS_METHOD_STW_COPY
72 #undef STW_COPY_INIT
73 #undef INIT_BUILTINS_CONSTRUCTOR_METHOD
74 #undef INIT_BUILTINS_METHOD_DYN
75 #undef INIT_BUILTINS_METHOD
76 
77 #undef COMMON_INIT
78     BuiltinsCallSignature::Initialize(&builtinsCSign_);
79     BuiltinsWithArgvCallSignature::Initialize(&builtinsWithArgvCSign_);
80 }
81 
GetCSigns(std::vector<const CallSignature * > & outCSigns)82 void BuiltinsStubCSigns::GetCSigns(std::vector<const CallSignature*>& outCSigns)
83 {
84     const size_t firstStubId = BUILTINS_STUB_ID(NONE) + 1;
85     for (size_t i = firstStubId; i < NUM_OF_BUILTINS_STUBS_EXTEND; i++) {
86         outCSigns.push_back(&callSigns_[i]);
87     }
88 }
89 
GetGlobalEnvIndex(ID builtinId)90 size_t BuiltinsStubCSigns::GetGlobalEnvIndex(ID builtinId)
91 {
92     static const std::map<ID, GlobalEnvField> globalEnvIndex = {
93         {ID::BooleanConstructor, GlobalEnvField::BOOLEAN_FUNCTION_INDEX},
94         {ID::NumberConstructor, GlobalEnvField::NUMBER_FUNCTION_INDEX},
95         {ID::ProxyConstructor, GlobalEnvField::PROXY_FUNCTION_INDEX},
96         {ID::DateConstructor, GlobalEnvField::DATE_FUNCTION_INDEX},
97         {ID::ArrayConstructor, GlobalEnvField::ARRAY_FUNCTION_INDEX},
98         {ID::SetConstructor, GlobalEnvField::BUILTINS_SET_FUNCTION_INDEX},
99         {ID::MapConstructor, GlobalEnvField::BUILTINS_MAP_FUNCTION_INDEX},
100         {ID::BigIntConstructor, GlobalEnvField::BIGINT_FUNCTION_INDEX},
101         {ID::ObjectConstructor, GlobalEnvField::OBJECT_FUNCTION_INDEX},
102         {ID::ErrorConstructor, GlobalEnvField::ERROR_FUNCTION_INDEX},
103         {ID::Int8ArrayConstructor, GlobalEnvField::INT8_ARRAY_FUNCTION_INDEX},
104         {ID::Uint8ArrayConstructor, GlobalEnvField::UINT8_ARRAY_FUNCTION_INDEX},
105         {ID::Uint8ClampedArrayConstructor, GlobalEnvField::UINT8_CLAMPED_ARRAY_FUNCTION_INDEX},
106         {ID::Int16ArrayConstructor, GlobalEnvField::INT16_ARRAY_FUNCTION_INDEX},
107         {ID::Uint16ArrayConstructor, GlobalEnvField::UINT16_ARRAY_FUNCTION_INDEX},
108         {ID::Int32ArrayConstructor, GlobalEnvField::INT32_ARRAY_FUNCTION_INDEX},
109         {ID::Uint32ArrayConstructor, GlobalEnvField::UINT32_ARRAY_FUNCTION_INDEX},
110         {ID::Float32ArrayConstructor, GlobalEnvField::FLOAT32_ARRAY_FUNCTION_INDEX},
111         {ID::Float64ArrayConstructor, GlobalEnvField::FLOAT64_ARRAY_FUNCTION_INDEX},
112         {ID::BigInt64ArrayConstructor, GlobalEnvField::BIGINT64_ARRAY_FUNCTION_INDEX},
113         {ID::BigUint64ArrayConstructor, GlobalEnvField::BIGUINT64_ARRAY_FUNCTION_INDEX},
114     };
115     if (globalEnvIndex.find(builtinId) != globalEnvIndex.end()) {
116         return static_cast<size_t>(globalEnvIndex.at(builtinId));
117     }
118     LOG_COMPILER(FATAL) << "this branch is unreachable";
119     UNREACHABLE();
120 }
121 }  // namespace panda::ecmascript::kungfu
122