mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-16 05:49:58 +00:00
121 lines
3.6 KiB
C++
121 lines
3.6 KiB
C++
/*
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* Copyright (C) 2018-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CallFrame.h"
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#include "JSCallee.h"
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#include "JSGlobalObject.h"
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#include "RegisterInlines.h"
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namespace JSC {
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inline Register& CallFrame::r(VirtualRegister reg)
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{
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if (reg.isConstant())
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return *reinterpret_cast<Register*>(&this->codeBlock()->constantRegister(reg));
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return this[reg.offset()];
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}
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inline Register& CallFrame::uncheckedR(VirtualRegister reg)
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{
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ASSERT(!reg.isConstant());
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return this[reg.offset()];
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}
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inline JSValue CallFrame::guaranteedJSValueCallee() const
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{
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ASSERT(!callee().isWasm());
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return this[static_cast<int>(CallFrameSlot::callee)].jsValue();
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}
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inline JSObject* CallFrame::jsCallee() const
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{
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ASSERT(!callee().isWasm());
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return this[static_cast<int>(CallFrameSlot::callee)].object();
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}
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inline CodeBlock* CallFrame::codeBlock() const
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{
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return this[static_cast<int>(CallFrameSlot::codeBlock)].Register::codeBlock();
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}
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inline SUPPRESS_ASAN CodeBlock* CallFrame::unsafeCodeBlock() const
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{
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return this[static_cast<int>(CallFrameSlot::codeBlock)].Register::asanUnsafeCodeBlock();
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}
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inline JSGlobalObject* CallFrame::lexicalGlobalObject(VM& vm) const
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{
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UNUSED_PARAM(vm);
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#if ENABLE(WEBASSEMBLY)
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if (callee().isWasm())
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return lexicalGlobalObjectFromWasmCallee(vm);
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#endif
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return jsCallee()->globalObject();
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}
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inline bool CallFrame::isStackOverflowFrame() const
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{
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if (callee().isWasm())
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return false;
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return jsCallee() == jsCallee()->globalObject()->stackOverflowFrameCallee();
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}
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inline bool CallFrame::isWasmFrame() const
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{
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return callee().isWasm();
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}
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inline void CallFrame::setCallee(JSObject* callee)
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{
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static_cast<Register*>(this)[static_cast<int>(CallFrameSlot::callee)] = callee;
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}
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inline void CallFrame::setCodeBlock(CodeBlock* codeBlock)
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{
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static_cast<Register*>(this)[static_cast<int>(CallFrameSlot::codeBlock)] = codeBlock;
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}
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inline void CallFrame::setScope(int scopeRegisterOffset, JSScope* scope)
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{
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static_cast<Register*>(this)[scopeRegisterOffset] = scope;
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}
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inline JSScope* CallFrame::scope(int scopeRegisterOffset) const
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{
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ASSERT(this[scopeRegisterOffset].Register::scope());
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return this[scopeRegisterOffset].Register::scope();
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}
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inline Register* CallFrame::topOfFrame()
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{
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if (!codeBlock())
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return registers();
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return topOfFrameInternal();
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}
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} // namespace JSC
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