mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-16 05:49:58 +00:00
143 lines
4.3 KiB
C++
143 lines
4.3 KiB
C++
/*
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* Copyright (C) 2014-2018 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 "CallVariant.h"
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#include "JSCInlines.h"
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#include <wtf/ListDump.h>
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namespace JSC {
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bool CallVariant::finalize(VM& vm)
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{
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if (m_callee && !vm.heap.isMarked(m_callee))
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return false;
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return true;
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}
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bool CallVariant::merge(const CallVariant& other)
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{
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if (*this == other)
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return true;
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if (executable() == other.executable()) {
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*this = despecifiedClosure();
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return true;
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}
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return false;
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}
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void CallVariant::filter(VM& vm, JSValue value)
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{
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if (!*this)
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return;
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if (!isClosureCall()) {
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if (nonExecutableCallee() != value)
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*this = CallVariant();
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return;
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}
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if (JSFunction* function = jsDynamicCast<JSFunction*>(vm, value)) {
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if (function->executable() == executable())
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*this = CallVariant(function);
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else
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*this = CallVariant();
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return;
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}
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*this = CallVariant();
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}
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void CallVariant::dump(PrintStream& out) const
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{
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if (!*this) {
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out.print("null");
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return;
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}
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if (InternalFunction* internalFunction = this->internalFunction()) {
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out.print("InternalFunction: ", JSValue(internalFunction));
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return;
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}
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if (JSFunction* function = this->function()) {
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out.print("(Function: ", JSValue(function), "; Executable: ", *executable(), ")");
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return;
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}
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if (ExecutableBase* executable = this->executable()) {
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out.print("(Executable: ", *executable, ")");
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return;
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}
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out.print("Non-executable callee: ", *nonExecutableCallee());
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}
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CallVariantList variantListWithVariant(const CallVariantList& list, CallVariant variantToAdd)
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{
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ASSERT(variantToAdd);
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CallVariantList result;
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for (CallVariant variant : list) {
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ASSERT(variant);
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if (!!variantToAdd) {
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if (variant == variantToAdd)
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variantToAdd = CallVariant();
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else if (variant.despecifiedClosure() == variantToAdd.despecifiedClosure()) {
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variant = variant.despecifiedClosure();
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variantToAdd = CallVariant();
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}
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}
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result.append(variant);
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}
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if (!!variantToAdd)
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result.append(variantToAdd);
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if (!ASSERT_DISABLED) {
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for (unsigned i = 0; i < result.size(); ++i) {
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for (unsigned j = i + 1; j < result.size(); ++j) {
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if (result[i] != result[j])
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continue;
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dataLog("variantListWithVariant(", listDump(list), ", ", variantToAdd, ") failed: got duplicates in result: ", listDump(result), "\n");
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RELEASE_ASSERT_NOT_REACHED();
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}
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}
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}
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return result;
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}
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CallVariantList despecifiedVariantList(const CallVariantList& list)
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{
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CallVariantList result;
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for (CallVariant variant : list)
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result = variantListWithVariant(result, variant.despecifiedClosure());
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return result;
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}
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} // namespace JSC
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