mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
/*
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* Copyright (C) 2012, 2016 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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#include "config.h"
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#include "ProfilerOriginStack.h"
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#include "CodeOrigin.h"
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#include "InlineCallFrame.h"
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#include "JSCInlines.h"
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#include "ProfilerDatabase.h"
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namespace JSC { namespace Profiler {
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OriginStack::OriginStack(WTF::HashTableDeletedValueType)
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{
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m_stack.append(Origin(WTF::HashTableDeletedValue));
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}
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OriginStack::OriginStack(const Origin& origin)
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{
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m_stack.append(origin);
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}
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OriginStack::OriginStack(Database& database, CodeBlock* codeBlock, const CodeOrigin& codeOrigin)
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{
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Vector<CodeOrigin> stack = codeOrigin.inlineStack();
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append(Origin(database, codeBlock, stack[0].bytecodeIndex()));
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for (unsigned i = 1; i < stack.size(); ++i) {
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append(Origin(
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database.ensureBytecodesFor(stack[i].inlineCallFrame()->baselineCodeBlock.get()),
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stack[i].bytecodeIndex()));
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}
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}
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OriginStack::~OriginStack() { }
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void OriginStack::append(const Origin& origin)
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{
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m_stack.append(origin);
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}
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bool OriginStack::operator==(const OriginStack& other) const
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{
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if (m_stack.size() != other.m_stack.size())
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return false;
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for (unsigned i = m_stack.size(); i--;) {
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if (m_stack[i] != other.m_stack[i])
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return false;
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}
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return true;
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}
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unsigned OriginStack::hash() const
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{
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unsigned result = m_stack.size();
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for (unsigned i = m_stack.size(); i--;) {
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result *= 3;
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result += m_stack[i].hash();
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}
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return result;
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}
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void OriginStack::dump(PrintStream& out) const
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{
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for (unsigned i = 0; i < m_stack.size(); ++i) {
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if (i)
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out.print(" --> ");
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out.print(m_stack[i]);
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}
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}
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JSValue OriginStack::toJS(JSGlobalObject* globalObject) const
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{
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VM& vm = globalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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JSArray* result = constructEmptyArray(globalObject, nullptr);
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RETURN_IF_EXCEPTION(scope, { });
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for (unsigned i = 0; i < m_stack.size(); ++i) {
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result->putDirectIndex(globalObject, i, m_stack[i].toJS(globalObject));
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RETURN_IF_EXCEPTION(scope, { });
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}
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return result;
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}
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} } // namespace JSC::Profiler
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