/* * Copyright (C) 2013 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "DFGCommonData.h" #if ENABLE(DFG_JIT) #include "CodeBlock.h" #include "DFGNode.h" #include "DFGPlan.h" #include "JSCInlines.h" #include "VM.h" namespace JSC { namespace DFG { void CommonData::notifyCompilingStructureTransition(Plan& plan, CodeBlock* codeBlock, Node* node) { plan.transitions.addLazily( codeBlock, node->origin.semantic.codeOriginOwner(), node->structureTransitionData().previousStructure, node->structureTransitionData().newStructure); } unsigned CommonData::addCodeOrigin(CodeOrigin codeOrigin) { if (codeOrigins.isEmpty() || codeOrigins.last() != codeOrigin) codeOrigins.append(codeOrigin); unsigned index = codeOrigins.size() - 1; ASSERT(codeOrigins[index] == codeOrigin); return index; } void CommonData::shrinkToFit() { codeOrigins.shrinkToFit(); weakReferences.shrinkToFit(); transitions.shrinkToFit(); } bool CommonData::invalidate() { if (!isStillValid) return false; for (unsigned i = jumpReplacements.size(); i--;) jumpReplacements[i].fire(); isStillValid = false; return true; } } } // namespace JSC::DFG #endif // ENABLE(DFG_JIT)