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* Copyright (C) 2009 Apple Inc. All rights reserved.
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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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* 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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* 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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#include "Executable.h"
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#include "BytecodeGenerator.h"
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#include "CodeBlock.h"
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NativeExecutable::~NativeExecutable()
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VPtrHackExecutable::~VPtrHackExecutable()
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EvalExecutable::~EvalExecutable()
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delete m_evalCodeBlock;
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ProgramExecutable::~ProgramExecutable()
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delete m_programCodeBlock;
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FunctionExecutable::~FunctionExecutable()
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JSObject* EvalExecutable::compile(ExecState* exec, ScopeChainNode* scopeChainNode)
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RefPtr<EvalNode> evalNode = exec->globalData().parser->parse<EvalNode>(&exec->globalData(), exec->lexicalGlobalObject()->debugger(), exec, m_source, &errLine, &errMsg);
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return Error::create(exec, SyntaxError, errMsg, errLine, m_source.provider()->asID(), m_source.provider()->url());
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recordParse(evalNode->features(), evalNode->lineNo(), evalNode->lastLine());
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ScopeChain scopeChain(scopeChainNode);
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JSGlobalObject* globalObject = scopeChain.globalObject();
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ASSERT(!m_evalCodeBlock);
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m_evalCodeBlock = new EvalCodeBlock(this, globalObject, source().provider(), scopeChain.localDepth());
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OwnPtr<BytecodeGenerator> generator(new BytecodeGenerator(evalNode.get(), globalObject->debugger(), scopeChain, m_evalCodeBlock->symbolTable(), m_evalCodeBlock));
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generator->generate();
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evalNode->destroyData();
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JSObject* ProgramExecutable::checkSyntax(ExecState* exec)
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RefPtr<ProgramNode> programNode = exec->globalData().parser->parse<ProgramNode>(&exec->globalData(), exec->lexicalGlobalObject()->debugger(), exec, m_source, &errLine, &errMsg);
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return Error::create(exec, SyntaxError, errMsg, errLine, m_source.provider()->asID(), m_source.provider()->url());
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JSObject* ProgramExecutable::compile(ExecState* exec, ScopeChainNode* scopeChainNode)
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RefPtr<ProgramNode> programNode = exec->globalData().parser->parse<ProgramNode>(&exec->globalData(), exec->lexicalGlobalObject()->debugger(), exec, m_source, &errLine, &errMsg);
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return Error::create(exec, SyntaxError, errMsg, errLine, m_source.provider()->asID(), m_source.provider()->url());
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recordParse(programNode->features(), programNode->lineNo(), programNode->lastLine());
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ScopeChain scopeChain(scopeChainNode);
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JSGlobalObject* globalObject = scopeChain.globalObject();
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ASSERT(!m_programCodeBlock);
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m_programCodeBlock = new ProgramCodeBlock(this, GlobalCode, globalObject, source().provider());
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OwnPtr<BytecodeGenerator> generator(new BytecodeGenerator(programNode.get(), globalObject->debugger(), scopeChain, &globalObject->symbolTable(), m_programCodeBlock));
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generator->generate();
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programNode->destroyData();
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void FunctionExecutable::compile(ExecState*, ScopeChainNode* scopeChainNode)
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JSGlobalData* globalData = scopeChainNode->globalData;
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RefPtr<FunctionBodyNode> body = globalData->parser->parse<FunctionBodyNode>(globalData, 0, 0, m_source);
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if (m_forceUsesArguments)
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body->setUsesArguments();
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body->finishParsing(m_parameters, m_name);
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recordParse(body->features(), body->lineNo(), body->lastLine());
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ScopeChain scopeChain(scopeChainNode);
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JSGlobalObject* globalObject = scopeChain.globalObject();
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ASSERT(!m_codeBlock);
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m_codeBlock = new FunctionCodeBlock(this, FunctionCode, source().provider(), source().startOffset());
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OwnPtr<BytecodeGenerator> generator(new BytecodeGenerator(body.get(), globalObject->debugger(), scopeChain, m_codeBlock->symbolTable(), m_codeBlock));
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generator->generate();
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m_numParameters = m_codeBlock->m_numParameters;
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ASSERT(m_numParameters);
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m_numVariables = m_codeBlock->m_numVars;
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void EvalExecutable::generateJITCode(ExecState* exec, ScopeChainNode* scopeChainNode)
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CodeBlock* codeBlock = &bytecode(exec, scopeChainNode);
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m_jitCode = JIT::compile(scopeChainNode->globalData, codeBlock);
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#if !ENABLE(OPCODE_SAMPLING)
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if (!BytecodeGenerator::dumpsGeneratedCode())
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codeBlock->discardBytecode();
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void ProgramExecutable::generateJITCode(ExecState* exec, ScopeChainNode* scopeChainNode)
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CodeBlock* codeBlock = &bytecode(exec, scopeChainNode);
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m_jitCode = JIT::compile(scopeChainNode->globalData, codeBlock);
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#if !ENABLE(OPCODE_SAMPLING)
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if (!BytecodeGenerator::dumpsGeneratedCode())
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codeBlock->discardBytecode();
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void FunctionExecutable::generateJITCode(ExecState* exec, ScopeChainNode* scopeChainNode)
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CodeBlock* codeBlock = &bytecode(exec, scopeChainNode);
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m_jitCode = JIT::compile(scopeChainNode->globalData, codeBlock);
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#if !ENABLE(OPCODE_SAMPLING)
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if (!BytecodeGenerator::dumpsGeneratedCode())
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codeBlock->discardBytecode();
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void FunctionExecutable::markAggregate(MarkStack& markStack)
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m_codeBlock->markAggregate(markStack);
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ExceptionInfo* FunctionExecutable::reparseExceptionInfo(JSGlobalData* globalData, ScopeChainNode* scopeChainNode, CodeBlock* codeBlock)
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RefPtr<FunctionBodyNode> newFunctionBody = globalData->parser->parse<FunctionBodyNode>(globalData, 0, 0, m_source);
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if (m_forceUsesArguments)
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newFunctionBody->setUsesArguments();
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newFunctionBody->finishParsing(m_parameters, m_name);
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ScopeChain scopeChain(scopeChainNode);
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JSGlobalObject* globalObject = scopeChain.globalObject();
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OwnPtr<CodeBlock> newCodeBlock(new FunctionCodeBlock(this, FunctionCode, source().provider(), source().startOffset()));
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globalData->functionCodeBlockBeingReparsed = newCodeBlock.get();
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OwnPtr<BytecodeGenerator> generator(new BytecodeGenerator(newFunctionBody.get(), globalObject->debugger(), scopeChain, newCodeBlock->symbolTable(), newCodeBlock.get()));
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generator->setRegeneratingForExceptionInfo(static_cast<FunctionCodeBlock*>(codeBlock));
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generator->generate();
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ASSERT(newCodeBlock->instructionCount() == codeBlock->instructionCount());
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JITCode newJITCode = JIT::compile(globalData, newCodeBlock.get());
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ASSERT(newJITCode.size() == generatedJITCode().size());
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globalData->functionCodeBlockBeingReparsed = 0;
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return newCodeBlock->extractExceptionInfo();
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ExceptionInfo* EvalExecutable::reparseExceptionInfo(JSGlobalData* globalData, ScopeChainNode* scopeChainNode, CodeBlock* codeBlock)
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RefPtr<EvalNode> newEvalBody = globalData->parser->parse<EvalNode>(globalData, 0, 0, m_source);
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ScopeChain scopeChain(scopeChainNode);
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JSGlobalObject* globalObject = scopeChain.globalObject();
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OwnPtr<EvalCodeBlock> newCodeBlock(new EvalCodeBlock(this, globalObject, source().provider(), scopeChain.localDepth()));
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OwnPtr<BytecodeGenerator> generator(new BytecodeGenerator(newEvalBody.get(), globalObject->debugger(), scopeChain, newCodeBlock->symbolTable(), newCodeBlock.get()));
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generator->setRegeneratingForExceptionInfo(static_cast<EvalCodeBlock*>(codeBlock));
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generator->generate();
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ASSERT(newCodeBlock->instructionCount() == codeBlock->instructionCount());
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JITCode newJITCode = JIT::compile(globalData, newCodeBlock.get());
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ASSERT(newJITCode.size() == generatedJITCode().size());
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return newCodeBlock->extractExceptionInfo();
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void FunctionExecutable::recompile(ExecState*)
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m_numParameters = NUM_PARAMETERS_NOT_COMPILED;
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m_jitCode = JITCode();
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PassRefPtr<FunctionExecutable> FunctionExecutable::fromGlobalCode(const Identifier& functionName, ExecState* exec, Debugger* debugger, const SourceCode& source, int* errLine, UString* errMsg)
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RefPtr<ProgramNode> program = exec->globalData().parser->parse<ProgramNode>(&exec->globalData(), debugger, exec, source, errLine, errMsg);
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StatementNode* exprStatement = program->singleStatement();
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ASSERT(exprStatement);
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ASSERT(exprStatement->isExprStatement());
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if (!exprStatement || !exprStatement->isExprStatement())
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ExpressionNode* funcExpr = static_cast<ExprStatementNode*>(exprStatement)->expr();
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ASSERT(funcExpr->isFuncExprNode());
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if (!funcExpr || !funcExpr->isFuncExprNode())
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FunctionBodyNode* body = static_cast<FuncExprNode*>(funcExpr)->body();
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return FunctionExecutable::create(&exec->globalData(), functionName, body->source(), body->usesArguments(), body->parameters(), body->lineNo(), body->lastLine());
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UString FunctionExecutable::paramString() const
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FunctionParameters& parameters = *m_parameters;
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for (size_t pos = 0; pos < parameters.size(); ++pos) {
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s += parameters[pos].ustring();