mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 16:13:49 +00:00
7ffcc4b20f
Signed-off-by: zhangyukun <zhangyukun8@huawei.com>
128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMASCRIPT_ECMA_RUNTIM_CALL_INFO_H
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#define ECMASCRIPT_ECMA_RUNTIM_CALL_INFO_H
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#include <algorithm>
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#include "ecmascript/common.h"
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#include "ecmascript/js_tagged_value.h"
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#include "ecmascript/js_thread.h"
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#include "js_handle.h"
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namespace panda::ecmascript {
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class EcmaRuntimeCallInfo;
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using EcmaEntrypoint = JSTaggedValue (*)(EcmaRuntimeCallInfo *);
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class EcmaRuntimeCallInfo {
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public:
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// For builtins interpreter call
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EcmaRuntimeCallInfo(JSThread *thread, uint32_t numArgs, JSTaggedValue *args)
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: thread_(thread), numArgs_(numArgs), gprArgs_(args, numArgs), stackArgs_(nullptr, static_cast<size_t>(0))
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{
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ASSERT(numArgs_ >= NUM_MANDATORY_JSFUNC_ARGS);
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}
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~EcmaRuntimeCallInfo() = default;
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inline JSThread *GetThread() const
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{
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return thread_;
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}
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inline void SetNewTarget(JSTaggedValue tagged, [[maybe_unused]] int64_t tag = 0)
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{
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SetArg(NEW_TARGET_INDEX, tagged);
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}
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inline void SetFunction(JSTaggedValue tagged, [[maybe_unused]] int64_t tag = 0)
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{
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SetArg(FUNC_INDEX, tagged);
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}
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inline void SetThis(JSTaggedValue tagged, [[maybe_unused]] int64_t tag = 0)
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{
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SetArg(THIS_INDEX, tagged);
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}
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inline void SetCallArg(uint32_t idx, JSTaggedValue tagged, [[maybe_unused]] int64_t tag = 0)
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{
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ASSERT_PRINT(idx < GetArgsNumber(), "Can not set values out of index range");
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SetArg(idx + FIRST_ARGS_INDEX, tagged);
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}
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inline JSHandle<JSTaggedValue> GetArg(uint32_t idx) const
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{
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return JSHandle<JSTaggedValue>(GetArgAddress(idx));
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}
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inline JSHandle<JSTaggedValue> GetFunction() const
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{
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return GetArg(FUNC_INDEX);
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}
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inline JSHandle<JSTaggedValue> GetNewTarget() const
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{
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return GetArg(NEW_TARGET_INDEX);
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}
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inline JSHandle<JSTaggedValue> GetThis() const
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{
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return GetArg(THIS_INDEX);
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}
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inline JSHandle<JSTaggedValue> GetCallArg(uint32_t idx) const
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{
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return GetArg(idx + FIRST_ARGS_INDEX);
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}
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/*
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* The number of arguments pairs excluding the 'func', 'new.target' and 'this'. For instance:
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* for code fragment: " foo(v1); ", GetArgsNumber() returns 1
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*/
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inline array_size_t GetArgsNumber() const
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{
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return numArgs_ - NUM_MANDATORY_JSFUNC_ARGS;
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}
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inline uintptr_t GetArgAddress(uint32_t idx) const
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{
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if (idx < gprArgs_.size()) {
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return reinterpret_cast<uintptr_t>(&gprArgs_[idx]);
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}
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return reinterpret_cast<uintptr_t>(&stackArgs_[idx - gprArgs_.size()]);
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}
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private:
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DEFAULT_COPY_SEMANTIC(EcmaRuntimeCallInfo);
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DEFAULT_MOVE_SEMANTIC(EcmaRuntimeCallInfo);
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enum ArgsIndex : uint8_t { FUNC_INDEX = 0, NEW_TARGET_INDEX, THIS_INDEX, FIRST_ARGS_INDEX };
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inline void SetArg(uint32_t idx, JSTaggedValue tagged)
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{
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*reinterpret_cast<JSTaggedValue *>(GetArgAddress(idx)) = tagged;
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}
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private:
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JSThread *thread_;
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uint32_t numArgs_;
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Span<JSTaggedValue> gprArgs_;
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Span<JSTaggedValue> stackArgs_;
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_ECMA_RUNTIM_CALL_INFO_H
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