1 /*
2 * Copyright (c) 2022 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_CONTAINERS_DEQUE_STUB_BUILDER_H
17 #define ECMASCRIPT_COMPILER_BUILTINS_CONTAINERS_DEQUE_STUB_BUILDER_H
18 #include "ecmascript/compiler/builtins/builtins_stubs.h"
19 #include "ecmascript/js_api/js_api_deque.h"
20
21 namespace panda::ecmascript::kungfu {
22 class ContainersDequeStubBuilder : public BuiltinsStubBuilder {
23 public:
ContainersDequeStubBuilder(StubBuilder * parent)24 explicit ContainersDequeStubBuilder(StubBuilder *parent)
25 : BuiltinsStubBuilder(parent) {}
26 ~ContainersDequeStubBuilder() override = default;
27 NO_MOVE_SEMANTIC(ContainersDequeStubBuilder);
28 NO_COPY_SEMANTIC(ContainersDequeStubBuilder);
GenerateCircuit()29 void GenerateCircuit() override {}
30
31 #define DECLARE_CONTAINERS_DEQUE_STUB_BUILDER(method, ...) \
32 void method(GateRef glue, GateRef thisValue, GateRef numArgs, Variable *result, Label *exit, Label *slowPath);
BUILTINS_WITH_CONTAINERS_DEQUE_STUB_BUILDER(DECLARE_CONTAINERS_DEQUE_STUB_BUILDER)33 BUILTINS_WITH_CONTAINERS_DEQUE_STUB_BUILDER(DECLARE_CONTAINERS_DEQUE_STUB_BUILDER)
34 #undef DECLARE_CONTAINERS_DEQUE_STUB_BUILDER
35
36 GateRef GetSize(GateRef obj)
37 {
38 GateRef elementsOffset = IntPtr(JSObject::ELEMENTS_OFFSET);
39 GateRef elements = Load(VariableType::JS_POINTER(), obj, elementsOffset);
40 GateRef capacity = Load(VariableType::INT32(), elements, IntPtr(TaggedArray::LENGTH_OFFSET));
41 GateRef first = GetFirst(obj);
42 GateRef last = GetLast(obj);
43 return Int32Mod(Int32Add(Int32Sub(last, first), capacity), capacity);
44 }
45
Get(GateRef obj,GateRef index)46 GateRef Get(GateRef obj, GateRef index)
47 {
48 GateRef elementsOffset = IntPtr(JSObject::ELEMENTS_OFFSET);
49 GateRef elements = Load(VariableType::JS_POINTER(), obj, elementsOffset);
50 GateRef capacity = Load(VariableType::INT32(), elements, IntPtr(TaggedArray::LENGTH_OFFSET));
51 GateRef first = GetFirst(obj);
52 GateRef curIndex = Int32Mod(Int32Add(first, index), capacity);
53 return GetValueFromTaggedArray(elements, curIndex);
54 }
55
GetFirst(GateRef obj)56 GateRef GetFirst(GateRef obj)
57 {
58 return Load(VariableType::INT32(), obj, IntPtr(JSAPIDeque::FIRST_OFFSET));
59 }
60
GetLast(GateRef obj)61 GateRef GetLast(GateRef obj)
62 {
63 return Load(VariableType::INT32(), obj, IntPtr(JSAPIDeque::LAST_OFFSET));
64 }
65
GetElementsLength(GateRef obj)66 GateRef GetElementsLength(GateRef obj)
67 {
68 GateRef elementsOffset = IntPtr(JSObject::ELEMENTS_OFFSET);
69 GateRef elements = Load(VariableType::JS_POINTER(), obj, elementsOffset);
70 return Load(VariableType::INT32(), elements, IntPtr(TaggedArray::LENGTH_OFFSET));
71 }
72 };
73 } // namespace panda::ecmascript::kungfu
74 #endif // ECMASCRIPT_COMPILER_BUILTINS_CONTAINERS_DEQUE_STUB_BUILDER_H
75