1 /*
2  * Copyright (c) 2023-2024 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 
16 #ifndef ECMASCRIPT_COMPILER_BUILTINS_ARRAY_STUB_BUILDER_H
17 #define ECMASCRIPT_COMPILER_BUILTINS_ARRAY_STUB_BUILDER_H
18 #include "ecmascript/compiler/circuit_builder.h"
19 #include "ecmascript/compiler/gate.h"
20 #include "ecmascript/compiler/share_gate_meta_data.h"
21 #include "ecmascript/compiler/stub_builder-inl.h"
22 #include "ecmascript/compiler/builtins/builtins_stubs.h"
23 
24 namespace panda::ecmascript::kungfu {
25 class BuiltinsArrayStubBuilder : public BuiltinsStubBuilder {
26 public:
BuiltinsArrayStubBuilder(StubBuilder *parent)27     explicit BuiltinsArrayStubBuilder(StubBuilder *parent)
28         : BuiltinsStubBuilder(parent) {}
BuiltinsArrayStubBuilder(Environment* env)29     explicit BuiltinsArrayStubBuilder(Environment* env): BuiltinsStubBuilder(env) {}
30     ~BuiltinsArrayStubBuilder() override = default;
31     NO_MOVE_SEMANTIC(BuiltinsArrayStubBuilder);
32     NO_COPY_SEMANTIC(BuiltinsArrayStubBuilder);
33     void GenerateCircuit() override {}
34 
35 #define DECLARE_BUILTINS_ARRAY_STUB_BUILDER(method, ...)           \
36     void method(GateRef glue, GateRef thisValue, GateRef numArgs, Variable *result, Label *exit, Label *slowPath);
37 BUILTINS_WITH_ARRAY_STUB_BUILDER(DECLARE_BUILTINS_ARRAY_STUB_BUILDER)
38 #undef DECLARE_BUILTINS_ARRAY_STUB_BUILDER
39 
40     void Sort(GateRef glue, GateRef thisValue, GateRef numArgs, Variable *result, Label *exit, Label *slowPath);
41 
42     void SortAfterArgs(GateRef glue, GateRef thisValue, GateRef callbackFnHandle,
43                        Variable *result, Label *exit, Label *slowPath, GateRef hir = Circuit::NullGate());
44 
45     void GenArrayConstructor(GateRef glue, GateRef nativeCode, GateRef func,
46         GateRef newTarget, GateRef thisValue, GateRef numArgs);
47 
48     void FastCreateArrayWithArgv(GateRef glue, Variable *res, GateRef argc, GateRef hclass, Label *exit);
49 
50     void ElementsKindHclassCompare(GateRef glue, GateRef arrayCls, Label *matchCls, Label *slowPath);
51 
52     GateRef IsConcatSpreadable(GateRef glue, GateRef obj);
53 
54     void InitializeArray(GateRef glue, GateRef count, Variable *result, GateRef intialHClass);
55 
56     GateRef NewArray(GateRef glue, GateRef count);
57 
58     GateRef NewArrayWithHClass(GateRef glue, GateRef hclass);
59 
60     GateRef CalculatePositionWithLength(GateRef position, GateRef length);
61 
62     GateRef DoSort(GateRef glue, GateRef receiver, GateRef receiverState,
63         Variable *result, Label *exit, Label *slowPath, GateRef hir = Circuit::NullGate());
64 
65     void FastReverse(GateRef glue, GateRef thisValue, GateRef len,
66                      ElementsKind kind, Variable *result, Label *exit);
67 private:
68     static constexpr uint32_t MAX_LENGTH_ZERO = 0;
69     static constexpr uint32_t MAX_LENGTH_ONE = 1;
70     struct JsArrayRequirements {
71         bool stable = false;
72         bool defaultConstructor = false;
73     };
74     GateRef IsJsArrayWithLengthLimit(GateRef glue, GateRef object,
75         uint32_t maxLength, JsArrayRequirements requirements);
76     GateRef CreateSpliceDeletedArray(GateRef glue, GateRef thisValue, GateRef actualDeleteCount,
77         GateRef intialHClass, GateRef start);
78     void DoReverse(GateRef glue, GateRef fromArray, GateRef toArray, bool holeToUndefined, bool getWithKind,
79                    MemoryAttribute mAttr);
80 };
81 }  // namespace panda::ecmascript::kungfu
82 #endif  // ECMASCRIPT_COMPILER_BUILTINS_ARRAY_STUB_BUILDER_H
83