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