#include "BytecodeGenerator.h"
#include "CodeBlock.h"
+#include "DFGDriver.h"
+#include "ExecutionHarness.h"
#include "JIT.h"
+#include "JITDriver.h"
#include "Parser.h"
#include "UStringBuilder.h"
-#include "Vector.h"
+#include <wtf/Vector.h>
-#if ENABLE(DFG_JIT)
-#include "DFGByteCodeParser.h"
-#include "DFGJITCompiler.h"
+namespace JSC {
+
+const ClassInfo ExecutableBase::s_info = { "Executable", 0, 0, 0, CREATE_METHOD_TABLE(ExecutableBase) };
+
+#if ENABLE(JIT)
+void ExecutableBase::destroy(JSCell* cell)
+{
+ jsCast<ExecutableBase*>(cell)->ExecutableBase::~ExecutableBase();
+}
#endif
-namespace JSC {
+inline void ExecutableBase::clearCode()
+{
+#if ENABLE(JIT)
+ m_jitCodeForCall.clear();
+ m_jitCodeForConstruct.clear();
+ m_jitCodeForCallWithArityCheck = MacroAssemblerCodePtr();
+ m_jitCodeForConstructWithArityCheck = MacroAssemblerCodePtr();
+#endif
+ m_numParametersForCall = NUM_PARAMETERS_NOT_COMPILED;
+ m_numParametersForConstruct = NUM_PARAMETERS_NOT_COMPILED;
+}
-const ClassInfo ExecutableBase::s_info = { "Executable", 0, 0, 0 };
+#if ENABLE(DFG_JIT)
+Intrinsic ExecutableBase::intrinsic() const
+{
+ if (const NativeExecutable* nativeExecutable = jsDynamicCast<const NativeExecutable*>(this))
+ return nativeExecutable->intrinsic();
+ return NoIntrinsic;
+}
+#endif
+
+const ClassInfo NativeExecutable::s_info = { "NativeExecutable", &ExecutableBase::s_info, 0, 0, CREATE_METHOD_TABLE(NativeExecutable) };
#if ENABLE(JIT)
-class ExecutableFinalizer : public WeakHandleOwner {
- virtual void finalize(Handle<Unknown> handle, void*)
- {
- Weak<ExecutableBase> executable(Weak<ExecutableBase>::Adopt, handle);
- executable->clearExecutableCode();
- }
-};
+void NativeExecutable::destroy(JSCell* cell)
+{
+ jsCast<NativeExecutable*>(cell)->NativeExecutable::~NativeExecutable();
+}
+#endif
+
+#if ENABLE(DFG_JIT)
+Intrinsic NativeExecutable::intrinsic() const
+{
+ return m_intrinsic;
+}
+#endif
-WeakHandleOwner* ExecutableBase::executableFinalizer()
+#if ENABLE(JIT)
+// Utility method used for jettisoning code blocks.
+template<typename T>
+static void jettisonCodeBlock(JSGlobalData& globalData, OwnPtr<T>& codeBlock)
{
- DEFINE_STATIC_LOCAL(ExecutableFinalizer, finalizer, ());
- return &finalizer;
+ ASSERT(JITCode::isOptimizingJIT(codeBlock->getJITType()));
+ ASSERT(codeBlock->alternative());
+ OwnPtr<T> codeBlockToJettison = codeBlock.release();
+ codeBlock = static_pointer_cast<T>(codeBlockToJettison->releaseAlternative());
+ codeBlockToJettison->unlinkIncomingCalls();
+ globalData.heap.jettisonDFGCodeBlock(static_pointer_cast<CodeBlock>(codeBlockToJettison.release()));
}
#endif
-
-const ClassInfo NativeExecutable::s_info = { "NativeExecutable", &ExecutableBase::s_info, 0, 0 };
-NativeExecutable::~NativeExecutable()
+void NativeExecutable::finalize(JSCell* cell)
{
+ jsCast<NativeExecutable*>(cell)->clearCode();
}
-const ClassInfo ScriptExecutable::s_info = { "ScriptExecutable", &ExecutableBase::s_info, 0, 0 };
+const ClassInfo ScriptExecutable::s_info = { "ScriptExecutable", &ExecutableBase::s_info, 0, 0, CREATE_METHOD_TABLE(ScriptExecutable) };
-const ClassInfo EvalExecutable::s_info = { "EvalExecutable", &ScriptExecutable::s_info, 0, 0 };
+#if ENABLE(JIT)
+void ScriptExecutable::destroy(JSCell* cell)
+{
+ jsCast<ScriptExecutable*>(cell)->ScriptExecutable::~ScriptExecutable();
+}
+#endif
+
+const ClassInfo EvalExecutable::s_info = { "EvalExecutable", &ScriptExecutable::s_info, 0, 0, CREATE_METHOD_TABLE(EvalExecutable) };
EvalExecutable::EvalExecutable(ExecState* exec, const SourceCode& source, bool inStrictContext)
: ScriptExecutable(exec->globalData().evalExecutableStructure.get(), exec, source, inStrictContext)
{
}
-EvalExecutable::~EvalExecutable()
+void EvalExecutable::destroy(JSCell* cell)
{
+ jsCast<EvalExecutable*>(cell)->EvalExecutable::~EvalExecutable();
}
-const ClassInfo ProgramExecutable::s_info = { "ProgramExecutable", &ScriptExecutable::s_info, 0, 0 };
+const ClassInfo ProgramExecutable::s_info = { "ProgramExecutable", &ScriptExecutable::s_info, 0, 0, CREATE_METHOD_TABLE(ProgramExecutable) };
ProgramExecutable::ProgramExecutable(ExecState* exec, const SourceCode& source)
: ScriptExecutable(exec->globalData().programExecutableStructure.get(), exec, source, false)
{
}
-ProgramExecutable::~ProgramExecutable()
+void ProgramExecutable::destroy(JSCell* cell)
{
+ jsCast<ProgramExecutable*>(cell)->ProgramExecutable::~ProgramExecutable();
}
-const ClassInfo FunctionExecutable::s_info = { "FunctionExecutable", &ScriptExecutable::s_info, 0, 0 };
+const ClassInfo FunctionExecutable::s_info = { "FunctionExecutable", &ScriptExecutable::s_info, 0, 0, CREATE_METHOD_TABLE(FunctionExecutable) };
-FunctionExecutable::FunctionExecutable(JSGlobalData* globalData, const Identifier& name, const SourceCode& source, bool forceUsesArguments, FunctionParameters* parameters, bool inStrictContext, int firstLine, int lastLine)
- : ScriptExecutable(globalData->functionExecutableStructure.get(), globalData, source, inStrictContext)
+FunctionExecutable::FunctionExecutable(JSGlobalData& globalData, const Identifier& name, const Identifier& inferredName, const SourceCode& source, bool forceUsesArguments, FunctionParameters* parameters, bool inStrictContext)
+ : ScriptExecutable(globalData.functionExecutableStructure.get(), globalData, source, inStrictContext)
, m_numCapturedVariables(0)
, m_forceUsesArguments(forceUsesArguments)
, m_parameters(parameters)
, m_name(name)
+ , m_inferredName(inferredName.isNull() ? globalData.propertyNames->emptyIdentifier : inferredName)
, m_symbolTable(0)
+ , m_next(0)
+ , m_prev(0)
{
- m_firstLine = firstLine;
- m_lastLine = lastLine;
}
-FunctionExecutable::FunctionExecutable(ExecState* exec, const Identifier& name, const SourceCode& source, bool forceUsesArguments, FunctionParameters* parameters, bool inStrictContext, int firstLine, int lastLine)
+FunctionExecutable::FunctionExecutable(ExecState* exec, const Identifier& name, const Identifier& inferredName, const SourceCode& source, bool forceUsesArguments, FunctionParameters* parameters, bool inStrictContext)
: ScriptExecutable(exec->globalData().functionExecutableStructure.get(), exec, source, inStrictContext)
, m_numCapturedVariables(0)
, m_forceUsesArguments(forceUsesArguments)
, m_parameters(parameters)
, m_name(name)
+ , m_inferredName(inferredName.isNull() ? exec->globalData().propertyNames->emptyIdentifier : inferredName)
, m_symbolTable(0)
+ , m_next(0)
+ , m_prev(0)
+{
+}
+
+void FunctionExecutable::destroy(JSCell* cell)
+{
+ jsCast<FunctionExecutable*>(cell)->FunctionExecutable::~FunctionExecutable();
+}
+
+JSObject* EvalExecutable::compileOptimized(ExecState* exec, ScopeChainNode* scopeChainNode)
{
- m_firstLine = firstLine;
- m_lastLine = lastLine;
+ ASSERT(exec->globalData().dynamicGlobalObject);
+ ASSERT(!!m_evalCodeBlock);
+ JSObject* error = 0;
+ if (m_evalCodeBlock->getJITType() != JITCode::topTierJIT())
+ error = compileInternal(exec, scopeChainNode, JITCode::nextTierJIT(m_evalCodeBlock->getJITType()));
+ ASSERT(!!m_evalCodeBlock);
+ return error;
}
+#if ENABLE(JIT)
+bool EvalExecutable::jitCompile(JSGlobalData& globalData)
+{
+ return jitCompileIfAppropriate(globalData, m_evalCodeBlock, m_jitCodeForCall, JITCode::bottomTierJIT(), JITCompilationCanFail);
+}
+#endif
+
+inline const char* samplingDescription(JITCode::JITType jitType)
+{
+ switch (jitType) {
+ case JITCode::InterpreterThunk:
+ return "Interpreter Compilation (TOTAL)";
+ case JITCode::BaselineJIT:
+ return "Baseline Compilation (TOTAL)";
+ case JITCode::DFGJIT:
+ return "DFG Compilation (TOTAL)";
+ default:
+ ASSERT_NOT_REACHED();
+ return 0;
+ }
+}
-JSObject* EvalExecutable::compileInternal(ExecState* exec, ScopeChainNode* scopeChainNode)
+JSObject* EvalExecutable::compileInternal(ExecState* exec, ScopeChainNode* scopeChainNode, JITCode::JITType jitType)
{
+ SamplingRegion samplingRegion(samplingDescription(jitType));
+
+#if !ENABLE(JIT)
+ UNUSED_PARAM(jitType);
+#endif
JSObject* exception = 0;
JSGlobalData* globalData = &exec->globalData();
JSGlobalObject* lexicalGlobalObject = exec->lexicalGlobalObject();
- if (!lexicalGlobalObject->isEvalEnabled())
- return throwError(exec, createEvalError(exec, "Eval is disabled"));
- RefPtr<EvalNode> evalNode = globalData->parser->parse<EvalNode>(lexicalGlobalObject, lexicalGlobalObject->debugger(), exec, m_source, 0, isStrictMode() ? JSParseStrict : JSParseNormal, &exception);
- if (!evalNode) {
- ASSERT(exception);
- return exception;
- }
- recordParse(evalNode->features(), evalNode->hasCapturedVariables(), evalNode->lineNo(), evalNode->lastLine());
-
- JSGlobalObject* globalObject = scopeChainNode->globalObject.get();
-
- ASSERT(!m_evalCodeBlock);
- m_evalCodeBlock = adoptPtr(new EvalCodeBlock(this, globalObject, source().provider(), scopeChainNode->localDepth()));
- OwnPtr<BytecodeGenerator> generator(adoptPtr(new BytecodeGenerator(evalNode.get(), scopeChainNode, m_evalCodeBlock->symbolTable(), m_evalCodeBlock.get())));
- if ((exception = generator->generate())) {
- m_evalCodeBlock.clear();
+
+ if (!!m_evalCodeBlock) {
+ OwnPtr<EvalCodeBlock> newCodeBlock = adoptPtr(new EvalCodeBlock(CodeBlock::CopyParsedBlock, *m_evalCodeBlock));
+ newCodeBlock->setAlternative(static_pointer_cast<CodeBlock>(m_evalCodeBlock.release()));
+ m_evalCodeBlock = newCodeBlock.release();
+ } else {
+ if (!lexicalGlobalObject->evalEnabled())
+ return throwError(exec, createEvalError(exec, "Eval is disabled"));
+ RefPtr<EvalNode> evalNode = parse<EvalNode>(globalData, lexicalGlobalObject, m_source, 0, isStrictMode() ? JSParseStrict : JSParseNormal, EvalNode::isFunctionNode ? JSParseFunctionCode : JSParseProgramCode, lexicalGlobalObject->debugger(), exec, &exception);
+ if (!evalNode) {
+ ASSERT(exception);
+ return exception;
+ }
+ recordParse(evalNode->features(), evalNode->hasCapturedVariables(), evalNode->lineNo(), evalNode->lastLine());
+
+ JSGlobalObject* globalObject = scopeChainNode->globalObject.get();
+
+ OwnPtr<CodeBlock> previousCodeBlock = m_evalCodeBlock.release();
+ ASSERT((jitType == JITCode::bottomTierJIT()) == !previousCodeBlock);
+ m_evalCodeBlock = adoptPtr(new EvalCodeBlock(this, globalObject, source().provider(), scopeChainNode->localDepth(), previousCodeBlock.release()));
+ OwnPtr<BytecodeGenerator> generator(adoptPtr(new BytecodeGenerator(evalNode.get(), scopeChainNode, m_evalCodeBlock->symbolTable(), m_evalCodeBlock.get(), !!m_evalCodeBlock->alternative() ? OptimizingCompilation : FirstCompilation)));
+ if ((exception = generator->generate())) {
+ m_evalCodeBlock = static_pointer_cast<EvalCodeBlock>(m_evalCodeBlock->releaseAlternative());
+ evalNode->destroyData();
+ return exception;
+ }
+
evalNode->destroyData();
- return exception;
+ m_evalCodeBlock->copyPostParseDataFromAlternative();
}
- evalNode->destroyData();
-
#if ENABLE(JIT)
- if (exec->globalData().canUseJIT()) {
- m_jitCodeForCall = JIT::compile(scopeChainNode->globalData, m_evalCodeBlock.get());
-#if !ENABLE(OPCODE_SAMPLING)
- if (!BytecodeGenerator::dumpsGeneratedCode())
- m_evalCodeBlock->discardBytecode();
-#endif
- }
+ if (!prepareForExecution(*globalData, m_evalCodeBlock, m_jitCodeForCall, jitType))
+ return 0;
#endif
#if ENABLE(JIT)
-#if ENABLE(INTERPRETER)
+#if ENABLE(CLASSIC_INTERPRETER)
if (!m_jitCodeForCall)
Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_evalCodeBlock));
else
return 0;
}
-void EvalExecutable::visitChildren(SlotVisitor& visitor)
+#if ENABLE(JIT)
+void EvalExecutable::jettisonOptimizedCode(JSGlobalData& globalData)
+{
+ jettisonCodeBlock(globalData, m_evalCodeBlock);
+ m_jitCodeForCall = m_evalCodeBlock->getJITCode();
+ ASSERT(!m_jitCodeForCallWithArityCheck);
+}
+#endif
+
+void EvalExecutable::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
- ASSERT_GC_OBJECT_INHERITS(this, &s_info);
+ EvalExecutable* thisObject = jsCast<EvalExecutable*>(cell);
+ ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
- ASSERT(structure()->typeInfo().overridesVisitChildren());
- ScriptExecutable::visitChildren(visitor);
- if (m_evalCodeBlock)
- m_evalCodeBlock->visitAggregate(visitor);
+ ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
+ ScriptExecutable::visitChildren(thisObject, visitor);
+ if (thisObject->m_evalCodeBlock)
+ thisObject->m_evalCodeBlock->visitAggregate(visitor);
}
void EvalExecutable::unlinkCalls()
#endif
}
+void EvalExecutable::finalize(JSCell* cell)
+{
+ jsCast<EvalExecutable*>(cell)->clearCode();
+}
+
+inline void EvalExecutable::clearCode()
+{
+ if (m_evalCodeBlock) {
+ m_evalCodeBlock->clearEvalCache();
+ m_evalCodeBlock.clear();
+ }
+ Base::clearCode();
+}
+
JSObject* ProgramExecutable::checkSyntax(ExecState* exec)
{
JSObject* exception = 0;
JSGlobalData* globalData = &exec->globalData();
JSGlobalObject* lexicalGlobalObject = exec->lexicalGlobalObject();
- RefPtr<ProgramNode> programNode = globalData->parser->parse<ProgramNode>(lexicalGlobalObject, lexicalGlobalObject->debugger(), exec, m_source, 0, JSParseNormal, &exception);
+ RefPtr<ProgramNode> programNode = parse<ProgramNode>(globalData, lexicalGlobalObject, m_source, 0, JSParseNormal, ProgramNode::isFunctionNode ? JSParseFunctionCode : JSParseProgramCode, lexicalGlobalObject->debugger(), exec, &exception);
if (programNode)
return 0;
ASSERT(exception);
return exception;
}
-JSObject* ProgramExecutable::compileInternal(ExecState* exec, ScopeChainNode* scopeChainNode)
+JSObject* ProgramExecutable::compileOptimized(ExecState* exec, ScopeChainNode* scopeChainNode)
{
- ASSERT(!m_programCodeBlock);
+ ASSERT(exec->globalData().dynamicGlobalObject);
+ ASSERT(!!m_programCodeBlock);
+ JSObject* error = 0;
+ if (m_programCodeBlock->getJITType() != JITCode::topTierJIT())
+ error = compileInternal(exec, scopeChainNode, JITCode::nextTierJIT(m_programCodeBlock->getJITType()));
+ ASSERT(!!m_programCodeBlock);
+ return error;
+}
+#if ENABLE(JIT)
+bool ProgramExecutable::jitCompile(JSGlobalData& globalData)
+{
+ return jitCompileIfAppropriate(globalData, m_programCodeBlock, m_jitCodeForCall, JITCode::bottomTierJIT(), JITCompilationCanFail);
+}
+#endif
+
+JSObject* ProgramExecutable::compileInternal(ExecState* exec, ScopeChainNode* scopeChainNode, JITCode::JITType jitType)
+{
+ SamplingRegion samplingRegion(samplingDescription(jitType));
+
+#if !ENABLE(JIT)
+ UNUSED_PARAM(jitType);
+#endif
JSObject* exception = 0;
JSGlobalData* globalData = &exec->globalData();
JSGlobalObject* lexicalGlobalObject = exec->lexicalGlobalObject();
- RefPtr<ProgramNode> programNode = globalData->parser->parse<ProgramNode>(lexicalGlobalObject, lexicalGlobalObject->debugger(), exec, m_source, 0, isStrictMode() ? JSParseStrict : JSParseNormal, &exception);
- if (!programNode) {
- ASSERT(exception);
- return exception;
- }
- recordParse(programNode->features(), programNode->hasCapturedVariables(), programNode->lineNo(), programNode->lastLine());
-
- JSGlobalObject* globalObject = scopeChainNode->globalObject.get();
- m_programCodeBlock = adoptPtr(new ProgramCodeBlock(this, GlobalCode, globalObject, source().provider()));
- OwnPtr<BytecodeGenerator> generator(adoptPtr(new BytecodeGenerator(programNode.get(), scopeChainNode, &globalObject->symbolTable(), m_programCodeBlock.get())));
- if ((exception = generator->generate())) {
- m_programCodeBlock.clear();
+ if (!!m_programCodeBlock) {
+ OwnPtr<ProgramCodeBlock> newCodeBlock = adoptPtr(new ProgramCodeBlock(CodeBlock::CopyParsedBlock, *m_programCodeBlock));
+ newCodeBlock->setAlternative(static_pointer_cast<CodeBlock>(m_programCodeBlock.release()));
+ m_programCodeBlock = newCodeBlock.release();
+ } else {
+ RefPtr<ProgramNode> programNode = parse<ProgramNode>(globalData, lexicalGlobalObject, m_source, 0, isStrictMode() ? JSParseStrict : JSParseNormal, ProgramNode::isFunctionNode ? JSParseFunctionCode : JSParseProgramCode, lexicalGlobalObject->debugger(), exec, &exception);
+ if (!programNode) {
+ ASSERT(exception);
+ return exception;
+ }
+ recordParse(programNode->features(), programNode->hasCapturedVariables(), programNode->lineNo(), programNode->lastLine());
+
+ JSGlobalObject* globalObject = scopeChainNode->globalObject.get();
+
+ OwnPtr<CodeBlock> previousCodeBlock = m_programCodeBlock.release();
+ ASSERT((jitType == JITCode::bottomTierJIT()) == !previousCodeBlock);
+ m_programCodeBlock = adoptPtr(new ProgramCodeBlock(this, GlobalCode, globalObject, source().provider(), previousCodeBlock.release()));
+ OwnPtr<BytecodeGenerator> generator(adoptPtr(new BytecodeGenerator(programNode.get(), scopeChainNode, &globalObject->symbolTable(), m_programCodeBlock.get(), !!m_programCodeBlock->alternative() ? OptimizingCompilation : FirstCompilation)));
+ if ((exception = generator->generate())) {
+ m_programCodeBlock = static_pointer_cast<ProgramCodeBlock>(m_programCodeBlock->releaseAlternative());
+ programNode->destroyData();
+ return exception;
+ }
+
programNode->destroyData();
- return exception;
+ m_programCodeBlock->copyPostParseDataFromAlternative();
}
- programNode->destroyData();
-
#if ENABLE(JIT)
- if (exec->globalData().canUseJIT()) {
- m_jitCodeForCall = JIT::compile(scopeChainNode->globalData, m_programCodeBlock.get());
-#if !ENABLE(OPCODE_SAMPLING)
- if (!BytecodeGenerator::dumpsGeneratedCode())
- m_programCodeBlock->discardBytecode();
-#endif
- }
+ if (!prepareForExecution(*globalData, m_programCodeBlock, m_jitCodeForCall, jitType))
+ return 0;
#endif
#if ENABLE(JIT)
-#if ENABLE(INTERPRETER)
+#if ENABLE(CLASSIC_INTERPRETER)
if (!m_jitCodeForCall)
Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_programCodeBlock));
else
return 0;
}
+#if ENABLE(JIT)
+void ProgramExecutable::jettisonOptimizedCode(JSGlobalData& globalData)
+{
+ jettisonCodeBlock(globalData, m_programCodeBlock);
+ m_jitCodeForCall = m_programCodeBlock->getJITCode();
+ ASSERT(!m_jitCodeForCallWithArityCheck);
+}
+#endif
+
void ProgramExecutable::unlinkCalls()
{
#if ENABLE(JIT)
#endif
}
-#if ENABLE(JIT)
-static bool tryDFGCompile(JSGlobalData* globalData, CodeBlock* codeBlock, JITCode& jitCode, MacroAssemblerCodePtr& jitCodeWithArityCheck)
+void ProgramExecutable::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
-#if ENABLE(DFG_JIT)
-#if ENABLE(DFG_JIT_RESTRICTIONS)
- // FIXME: No flow control yet supported, don't bother scanning the bytecode if there are any jump targets.
- // FIXME: temporarily disable property accesses until we fix regressions.
- if (codeBlock->numberOfJumpTargets() || codeBlock->numberOfStructureStubInfos())
- return false;
-#endif
+ ProgramExecutable* thisObject = jsCast<ProgramExecutable*>(cell);
+ ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
+ COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
+ ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
+ ScriptExecutable::visitChildren(thisObject, visitor);
+ if (thisObject->m_programCodeBlock)
+ thisObject->m_programCodeBlock->visitAggregate(visitor);
+}
- DFG::Graph dfg(codeBlock->m_numParameters, codeBlock->m_numVars);
- if (!parse(dfg, globalData, codeBlock))
- return false;
+void ProgramExecutable::finalize(JSCell* cell)
+{
+ jsCast<ProgramExecutable*>(cell)->clearCode();
+}
- DFG::JITCompiler dataFlowJIT(globalData, dfg, codeBlock);
- dataFlowJIT.compileFunction(jitCode, jitCodeWithArityCheck);
- return true;
-#else
- UNUSED_PARAM(globalData);
- UNUSED_PARAM(codeBlock);
- UNUSED_PARAM(jitCode);
- UNUSED_PARAM(jitCodeWithArityCheck);
- return false;
-#endif
+inline void ProgramExecutable::clearCode()
+{
+ if (m_programCodeBlock) {
+ m_programCodeBlock->clearEvalCache();
+ m_programCodeBlock.clear();
+ }
+ Base::clearCode();
+}
+
+FunctionCodeBlock* FunctionExecutable::baselineCodeBlockFor(CodeSpecializationKind kind)
+{
+ FunctionCodeBlock* result;
+ if (kind == CodeForCall)
+ result = m_codeBlockForCall.get();
+ else {
+ ASSERT(kind == CodeForConstruct);
+ result = m_codeBlockForConstruct.get();
+ }
+ if (!result)
+ return 0;
+ while (result->alternative())
+ result = static_cast<FunctionCodeBlock*>(result->alternative());
+ ASSERT(result);
+ ASSERT(JITCode::isBaselineCode(result->getJITType()));
+ return result;
+}
+
+JSObject* FunctionExecutable::compileOptimizedForCall(ExecState* exec, ScopeChainNode* scopeChainNode)
+{
+ ASSERT(exec->globalData().dynamicGlobalObject);
+ ASSERT(!!m_codeBlockForCall);
+ JSObject* error = 0;
+ if (m_codeBlockForCall->getJITType() != JITCode::topTierJIT())
+ error = compileForCallInternal(exec, scopeChainNode, JITCode::nextTierJIT(m_codeBlockForCall->getJITType()));
+ ASSERT(!!m_codeBlockForCall);
+ return error;
+}
+
+JSObject* FunctionExecutable::compileOptimizedForConstruct(ExecState* exec, ScopeChainNode* scopeChainNode)
+{
+ ASSERT(exec->globalData().dynamicGlobalObject);
+ ASSERT(!!m_codeBlockForConstruct);
+ JSObject* error = 0;
+ if (m_codeBlockForConstruct->getJITType() != JITCode::topTierJIT())
+ error = compileForConstructInternal(exec, scopeChainNode, JITCode::nextTierJIT(m_codeBlockForConstruct->getJITType()));
+ ASSERT(!!m_codeBlockForConstruct);
+ return error;
+}
+
+#if ENABLE(JIT)
+bool FunctionExecutable::jitCompileForCall(JSGlobalData& globalData)
+{
+ return jitCompileFunctionIfAppropriate(globalData, m_codeBlockForCall, m_jitCodeForCall, m_jitCodeForCallWithArityCheck, m_symbolTable, JITCode::bottomTierJIT(), JITCompilationCanFail);
+}
+
+bool FunctionExecutable::jitCompileForConstruct(JSGlobalData& globalData)
+{
+ return jitCompileFunctionIfAppropriate(globalData, m_codeBlockForConstruct, m_jitCodeForConstruct, m_jitCodeForConstructWithArityCheck, m_symbolTable, JITCode::bottomTierJIT(), JITCompilationCanFail);
}
#endif
-void ProgramExecutable::visitChildren(SlotVisitor& visitor)
+FunctionCodeBlock* FunctionExecutable::codeBlockWithBytecodeFor(CodeSpecializationKind kind)
{
- ASSERT_GC_OBJECT_INHERITS(this, &s_info);
- COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
- ASSERT(structure()->typeInfo().overridesVisitChildren());
- ScriptExecutable::visitChildren(visitor);
- if (m_programCodeBlock)
- m_programCodeBlock->visitAggregate(visitor);
+ return baselineCodeBlockFor(kind);
}
-JSObject* FunctionExecutable::compileForCallInternal(ExecState* exec, ScopeChainNode* scopeChainNode)
+PassOwnPtr<FunctionCodeBlock> FunctionExecutable::produceCodeBlockFor(ScopeChainNode* scopeChainNode, CompilationKind compilationKind, CodeSpecializationKind specializationKind, JSObject*& exception)
{
- JSObject* exception = 0;
+ if (!!codeBlockFor(specializationKind))
+ return adoptPtr(new FunctionCodeBlock(CodeBlock::CopyParsedBlock, *codeBlockFor(specializationKind)));
+
+ exception = 0;
JSGlobalData* globalData = scopeChainNode->globalData;
- RefPtr<FunctionBodyNode> body = globalData->parser->parse<FunctionBodyNode>(exec->lexicalGlobalObject(), 0, 0, m_source, m_parameters.get(), isStrictMode() ? JSParseStrict : JSParseNormal, &exception);
+ JSGlobalObject* globalObject = scopeChainNode->globalObject.get();
+ RefPtr<FunctionBodyNode> body = parse<FunctionBodyNode>(globalData, globalObject, m_source, m_parameters.get(), isStrictMode() ? JSParseStrict : JSParseNormal, FunctionBodyNode::isFunctionNode ? JSParseFunctionCode : JSParseProgramCode, 0, 0, &exception);
+
if (!body) {
ASSERT(exception);
- return exception;
+ return nullptr;
}
if (m_forceUsesArguments)
body->setUsesArguments();
body->finishParsing(m_parameters, m_name);
recordParse(body->features(), body->hasCapturedVariables(), body->lineNo(), body->lastLine());
- JSGlobalObject* globalObject = scopeChainNode->globalObject.get();
+ OwnPtr<FunctionCodeBlock> result;
+ ASSERT((compilationKind == FirstCompilation) == !codeBlockFor(specializationKind));
+ result = adoptPtr(new FunctionCodeBlock(this, FunctionCode, globalObject, source().provider(), source().startOffset(), specializationKind == CodeForConstruct));
+ OwnPtr<BytecodeGenerator> generator(adoptPtr(new BytecodeGenerator(body.get(), scopeChainNode, result->symbolTable(), result.get(), compilationKind)));
+ exception = generator->generate();
+ body->destroyData();
+ if (exception)
+ return nullptr;
- ASSERT(!m_codeBlockForCall);
- m_codeBlockForCall = adoptPtr(new FunctionCodeBlock(this, FunctionCode, globalObject, source().provider(), source().startOffset(), false));
- OwnPtr<BytecodeGenerator> generator(adoptPtr(new BytecodeGenerator(body.get(), scopeChainNode, m_codeBlockForCall->symbolTable(), m_codeBlockForCall.get())));
- if ((exception = generator->generate())) {
- m_codeBlockForCall.clear();
- body->destroyData();
+ result->copyPostParseDataFrom(codeBlockFor(specializationKind).get());
+ return result.release();
+}
+
+JSObject* FunctionExecutable::compileForCallInternal(ExecState* exec, ScopeChainNode* scopeChainNode, JITCode::JITType jitType)
+{
+ SamplingRegion samplingRegion(samplingDescription(jitType));
+
+#if !ENABLE(JIT)
+ UNUSED_PARAM(exec);
+ UNUSED_PARAM(jitType);
+ UNUSED_PARAM(exec);
+#endif
+ ASSERT((jitType == JITCode::bottomTierJIT()) == !m_codeBlockForCall);
+ JSObject* exception;
+ OwnPtr<FunctionCodeBlock> newCodeBlock = produceCodeBlockFor(scopeChainNode, !!m_codeBlockForCall ? OptimizingCompilation : FirstCompilation, CodeForCall, exception);
+ if (!newCodeBlock)
return exception;
- }
- m_numParametersForCall = m_codeBlockForCall->m_numParameters;
+ newCodeBlock->setAlternative(static_pointer_cast<CodeBlock>(m_codeBlockForCall.release()));
+ m_codeBlockForCall = newCodeBlock.release();
+
+ m_numParametersForCall = m_codeBlockForCall->numParameters();
ASSERT(m_numParametersForCall);
m_numCapturedVariables = m_codeBlockForCall->m_numCapturedVars;
m_symbolTable = m_codeBlockForCall->sharedSymbolTable();
- body->destroyData();
-
#if ENABLE(JIT)
- if (exec->globalData().canUseJIT()) {
- bool dfgCompiled = tryDFGCompile(&exec->globalData(), m_codeBlockForCall.get(), m_jitCodeForCall, m_jitCodeForCallWithArityCheck);
- if (!dfgCompiled)
- m_jitCodeForCall = JIT::compile(scopeChainNode->globalData, m_codeBlockForCall.get(), &m_jitCodeForCallWithArityCheck);
-
-#if !ENABLE(OPCODE_SAMPLING)
- if (!BytecodeGenerator::dumpsGeneratedCode())
- m_codeBlockForCall->discardBytecode();
-#endif
- }
+ if (!prepareFunctionForExecution(exec->globalData(), m_codeBlockForCall, m_jitCodeForCall, m_jitCodeForCallWithArityCheck, m_symbolTable, jitType, CodeForCall))
+ return 0;
#endif
#if ENABLE(JIT)
-#if ENABLE(INTERPRETER)
+#if ENABLE(CLASSIC_INTERPRETER)
if (!m_jitCodeForCall)
Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_codeBlockForCall));
else
return 0;
}
-JSObject* FunctionExecutable::compileForConstructInternal(ExecState* exec, ScopeChainNode* scopeChainNode)
+JSObject* FunctionExecutable::compileForConstructInternal(ExecState* exec, ScopeChainNode* scopeChainNode, JITCode::JITType jitType)
{
- JSObject* exception = 0;
- JSGlobalData* globalData = scopeChainNode->globalData;
- RefPtr<FunctionBodyNode> body = globalData->parser->parse<FunctionBodyNode>(exec->lexicalGlobalObject(), 0, 0, m_source, m_parameters.get(), isStrictMode() ? JSParseStrict : JSParseNormal, &exception);
- if (!body) {
- ASSERT(exception);
- return exception;
- }
- if (m_forceUsesArguments)
- body->setUsesArguments();
- body->finishParsing(m_parameters, m_name);
- recordParse(body->features(), body->hasCapturedVariables(), body->lineNo(), body->lastLine());
-
- JSGlobalObject* globalObject = scopeChainNode->globalObject.get();
-
- ASSERT(!m_codeBlockForConstruct);
- m_codeBlockForConstruct = adoptPtr(new FunctionCodeBlock(this, FunctionCode, globalObject, source().provider(), source().startOffset(), true));
- OwnPtr<BytecodeGenerator> generator(adoptPtr(new BytecodeGenerator(body.get(), scopeChainNode, m_codeBlockForConstruct->symbolTable(), m_codeBlockForConstruct.get())));
- if ((exception = generator->generate())) {
- m_codeBlockForConstruct.clear();
- body->destroyData();
+ SamplingRegion samplingRegion(samplingDescription(jitType));
+
+#if !ENABLE(JIT)
+ UNUSED_PARAM(jitType);
+ UNUSED_PARAM(exec);
+#endif
+
+ ASSERT((jitType == JITCode::bottomTierJIT()) == !m_codeBlockForConstruct);
+ JSObject* exception;
+ OwnPtr<FunctionCodeBlock> newCodeBlock = produceCodeBlockFor(scopeChainNode, !!m_codeBlockForConstruct ? OptimizingCompilation : FirstCompilation, CodeForConstruct, exception);
+ if (!newCodeBlock)
return exception;
- }
- m_numParametersForConstruct = m_codeBlockForConstruct->m_numParameters;
+ newCodeBlock->setAlternative(static_pointer_cast<CodeBlock>(m_codeBlockForConstruct.release()));
+ m_codeBlockForConstruct = newCodeBlock.release();
+
+ m_numParametersForConstruct = m_codeBlockForConstruct->numParameters();
ASSERT(m_numParametersForConstruct);
m_numCapturedVariables = m_codeBlockForConstruct->m_numCapturedVars;
m_symbolTable = m_codeBlockForConstruct->sharedSymbolTable();
- body->destroyData();
-
#if ENABLE(JIT)
- if (exec->globalData().canUseJIT()) {
- m_jitCodeForConstruct = JIT::compile(scopeChainNode->globalData, m_codeBlockForConstruct.get(), &m_jitCodeForConstructWithArityCheck);
-#if !ENABLE(OPCODE_SAMPLING)
- if (!BytecodeGenerator::dumpsGeneratedCode())
- m_codeBlockForConstruct->discardBytecode();
-#endif
- }
+ if (!prepareFunctionForExecution(exec->globalData(), m_codeBlockForConstruct, m_jitCodeForConstruct, m_jitCodeForConstructWithArityCheck, m_symbolTable, jitType, CodeForConstruct))
+ return 0;
#endif
#if ENABLE(JIT)
-#if ENABLE(INTERPRETER)
+#if ENABLE(CLASSIC_INTERPRETER)
if (!m_jitCodeForConstruct)
Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_codeBlockForConstruct));
else
return 0;
}
-void FunctionExecutable::visitChildren(SlotVisitor& visitor)
+#if ENABLE(JIT)
+void FunctionExecutable::jettisonOptimizedCodeForCall(JSGlobalData& globalData)
{
- ASSERT_GC_OBJECT_INHERITS(this, &s_info);
+ jettisonCodeBlock(globalData, m_codeBlockForCall);
+ m_jitCodeForCall = m_codeBlockForCall->getJITCode();
+ m_jitCodeForCallWithArityCheck = m_codeBlockForCall->getJITCodeWithArityCheck();
+}
+
+void FunctionExecutable::jettisonOptimizedCodeForConstruct(JSGlobalData& globalData)
+{
+ jettisonCodeBlock(globalData, m_codeBlockForConstruct);
+ m_jitCodeForConstruct = m_codeBlockForConstruct->getJITCode();
+ m_jitCodeForConstructWithArityCheck = m_codeBlockForConstruct->getJITCodeWithArityCheck();
+}
+#endif
+
+void FunctionExecutable::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+ FunctionExecutable* thisObject = jsCast<FunctionExecutable*>(cell);
+ ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
- ASSERT(structure()->typeInfo().overridesVisitChildren());
- ScriptExecutable::visitChildren(visitor);
- if (m_codeBlockForCall)
- m_codeBlockForCall->visitAggregate(visitor);
- if (m_codeBlockForConstruct)
- m_codeBlockForConstruct->visitAggregate(visitor);
+ ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
+ ScriptExecutable::visitChildren(thisObject, visitor);
+ if (thisObject->m_nameValue)
+ visitor.append(&thisObject->m_nameValue);
+ if (thisObject->m_codeBlockForCall)
+ thisObject->m_codeBlockForCall->visitAggregate(visitor);
+ if (thisObject->m_codeBlockForConstruct)
+ thisObject->m_codeBlockForConstruct->visitAggregate(visitor);
}
void FunctionExecutable::discardCode()
return;
if (!m_jitCodeForConstruct && m_codeBlockForConstruct)
return;
- m_jitCodeForCall = JITCode();
- m_jitCodeForConstruct = JITCode();
- m_jitCodeForCallWithArityCheck = MacroAssemblerCodePtr();
- m_jitCodeForConstructWithArityCheck = MacroAssemblerCodePtr();
#endif
- if (m_codeBlockForCall)
+ clearCode();
+}
+
+void FunctionExecutable::finalize(JSCell* cell)
+{
+ FunctionExecutable* executable = jsCast<FunctionExecutable*>(cell);
+ Heap::heap(executable)->removeFunctionExecutable(executable);
+ executable->clearCode();
+}
+
+inline void FunctionExecutable::clearCode()
+{
+ if (m_codeBlockForCall) {
m_codeBlockForCall->clearEvalCache();
- m_codeBlockForCall.clear();
- if (m_codeBlockForConstruct)
+ m_codeBlockForCall.clear();
+ }
+ if (m_codeBlockForConstruct) {
m_codeBlockForConstruct->clearEvalCache();
- m_codeBlockForConstruct.clear();
- m_numParametersForCall = NUM_PARAMETERS_NOT_COMPILED;
- m_numParametersForConstruct = NUM_PARAMETERS_NOT_COMPILED;
-
+ m_codeBlockForConstruct.clear();
+ }
+ Base::clearCode();
}
void FunctionExecutable::unlinkCalls()
FunctionExecutable* FunctionExecutable::fromGlobalCode(const Identifier& functionName, ExecState* exec, Debugger* debugger, const SourceCode& source, JSObject** exception)
{
JSGlobalObject* lexicalGlobalObject = exec->lexicalGlobalObject();
- RefPtr<ProgramNode> program = exec->globalData().parser->parse<ProgramNode>(lexicalGlobalObject, debugger, exec, source, 0, JSParseNormal, exception);
+ RefPtr<ProgramNode> program = parse<ProgramNode>(&exec->globalData(), lexicalGlobalObject, source, 0, JSParseNormal, ProgramNode::isFunctionNode ? JSParseFunctionCode : JSParseProgramCode, debugger, exec, exception);
if (!program) {
ASSERT(*exception);
return 0;
FunctionBodyNode* body = static_cast<FuncExprNode*>(funcExpr)->body();
ASSERT(body);
- return FunctionExecutable::create(&exec->globalData(), functionName, body->source(), body->usesArguments(), body->parameters(), body->isStrictMode(), body->lineNo(), body->lastLine());
+ return FunctionExecutable::create(exec->globalData(), functionName, functionName, body->source(), body->usesArguments(), body->parameters(), body->isStrictMode(), body->lineNo(), body->lastLine());
}
UString FunctionExecutable::paramString() const
projects / apple / javascriptcore.git / blobdiff