diff options
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/interpreter')
6 files changed, 80 insertions, 38 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/interpreter/CallFrame.h b/src/3rdparty/webkit/JavaScriptCore/interpreter/CallFrame.h index 2d677cea0..75de082a3 100644 --- a/src/3rdparty/webkit/JavaScriptCore/interpreter/CallFrame.h +++ b/src/3rdparty/webkit/JavaScriptCore/interpreter/CallFrame.h @@ -37,7 +37,7 @@ namespace JSC { // Passed as the first argument to most functions. class ExecState : private Register { public: - JSFunction* callee() const { return this[RegisterFile::Callee].function(); } + JSObject* callee() const { return this[RegisterFile::Callee].object(); } CodeBlock* codeBlock() const { return this[RegisterFile::CodeBlock].Register::codeBlock(); } ScopeChainNode* scopeChain() const { return this[RegisterFile::ScopeChain].Register::scopeChain(); } int argumentCount() const { return this[RegisterFile::ArgumentCount].i(); } @@ -110,7 +110,7 @@ namespace JSC { void setScopeChain(ScopeChainNode* scopeChain) { this[RegisterFile::ScopeChain] = scopeChain; } ALWAYS_INLINE void init(CodeBlock* codeBlock, Instruction* vPC, ScopeChainNode* scopeChain, - CallFrame* callerFrame, int returnValueRegister, int argc, JSFunction* function) + CallFrame* callerFrame, int returnValueRegister, int argc, JSObject* callee) { ASSERT(callerFrame); // Use noCaller() rather than 0 for the outer host call frame caller. @@ -120,7 +120,7 @@ namespace JSC { this[RegisterFile::ReturnPC] = vPC; // This is either an Instruction* or a pointer into JIT generated code stored as an Instruction*. this[RegisterFile::ReturnValueRegister] = returnValueRegister; setArgumentCount(argc); // original argument count (for the sake of the "arguments" object) - setCallee(function); + setCallee(callee); setCalleeArguments(0); } @@ -136,7 +136,7 @@ namespace JSC { private: void setArgumentCount(int count) { this[RegisterFile::ArgumentCount] = count; } - void setCallee(JSFunction* callee) { this[RegisterFile::Callee] = callee; } + void setCallee(JSObject* callee) { this[RegisterFile::Callee] = callee; } void setCodeBlock(CodeBlock* codeBlock) { this[RegisterFile::CodeBlock] = codeBlock; } static const intptr_t HostCallFrameFlag = 1; diff --git a/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp b/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp index e4eebb202..c78466e59 100644 --- a/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp @@ -65,6 +65,14 @@ #include "JIT.h" #endif +#if ENABLE(ASSEMBLER) +#include "AssemblerBuffer.h" +#endif + +#ifdef QT_BUILD_SCRIPT_LIB +#include "bridge/qscriptobject_p.h" +#endif + using namespace std; namespace JSC { @@ -510,9 +518,9 @@ NEVER_INLINE HandlerInfo* Interpreter::throwException(CallFrame*& callFrame, JSV exception = createNotAnObjectError(callFrame, static_cast<JSNotAnObjectErrorStub*>(exception), bytecodeOffset, codeBlock); exceptionValue = exception; } else { - if (!exception->hasProperty(callFrame, Identifier(callFrame, "line")) && + if (!exception->hasProperty(callFrame, Identifier(callFrame, JSC_ERROR_LINENUMBER_PROPERTYNAME)) && !exception->hasProperty(callFrame, Identifier(callFrame, "sourceId")) && - !exception->hasProperty(callFrame, Identifier(callFrame, "sourceURL")) && + !exception->hasProperty(callFrame, Identifier(callFrame, JSC_ERROR_FILENAME_PROPERTYNAME)) && !exception->hasProperty(callFrame, Identifier(callFrame, expressionBeginOffsetPropertyName)) && !exception->hasProperty(callFrame, Identifier(callFrame, expressionCaretOffsetPropertyName)) && !exception->hasProperty(callFrame, Identifier(callFrame, expressionEndOffsetPropertyName))) { @@ -521,16 +529,16 @@ NEVER_INLINE HandlerInfo* Interpreter::throwException(CallFrame*& callFrame, JSV int endOffset = 0; int divotPoint = 0; int line = codeBlock->expressionRangeForBytecodeOffset(callFrame, bytecodeOffset, divotPoint, startOffset, endOffset); - exception->putWithAttributes(callFrame, Identifier(callFrame, "line"), jsNumber(callFrame, line), ReadOnly | DontDelete); + exception->putWithAttributes(callFrame, Identifier(callFrame, JSC_ERROR_LINENUMBER_PROPERTYNAME), jsNumber(callFrame, line), ReadOnly | DontDelete); // We only hit this path for error messages and throw statements, which don't have a specific failure position // So we just give the full range of the error/throw statement. exception->putWithAttributes(callFrame, Identifier(callFrame, expressionBeginOffsetPropertyName), jsNumber(callFrame, divotPoint - startOffset), ReadOnly | DontDelete); exception->putWithAttributes(callFrame, Identifier(callFrame, expressionEndOffsetPropertyName), jsNumber(callFrame, divotPoint + endOffset), ReadOnly | DontDelete); } else - exception->putWithAttributes(callFrame, Identifier(callFrame, "line"), jsNumber(callFrame, codeBlock->lineNumberForBytecodeOffset(callFrame, bytecodeOffset)), ReadOnly | DontDelete); + exception->putWithAttributes(callFrame, Identifier(callFrame, JSC_ERROR_LINENUMBER_PROPERTYNAME), jsNumber(callFrame, codeBlock->lineNumberForBytecodeOffset(callFrame, bytecodeOffset)), ReadOnly | DontDelete); exception->putWithAttributes(callFrame, Identifier(callFrame, "sourceId"), jsNumber(callFrame, codeBlock->ownerNode()->sourceID()), ReadOnly | DontDelete); - exception->putWithAttributes(callFrame, Identifier(callFrame, "sourceURL"), jsOwnedString(callFrame, codeBlock->ownerNode()->sourceURL()), ReadOnly | DontDelete); + exception->putWithAttributes(callFrame, Identifier(callFrame, JSC_ERROR_FILENAME_PROPERTYNAME), jsOwnedString(callFrame, codeBlock->ownerNode()->sourceURL()), ReadOnly | DontDelete); } if (exception->isWatchdogException()) { @@ -542,7 +550,8 @@ NEVER_INLINE HandlerInfo* Interpreter::throwException(CallFrame*& callFrame, JSV } } - if (Debugger* debugger = callFrame->dynamicGlobalObject()->debugger()) { + Debugger* debugger = callFrame->dynamicGlobalObject()->debugger(); + if (debugger) { DebuggerCallFrame debuggerCallFrame(callFrame, exceptionValue); debugger->exception(debuggerCallFrame, codeBlock->ownerNode()->sourceID(), codeBlock->lineNumberForBytecodeOffset(callFrame, bytecodeOffset)); } @@ -567,10 +576,18 @@ NEVER_INLINE HandlerInfo* Interpreter::throwException(CallFrame*& callFrame, JSV HandlerInfo* handler = 0; while (!(handler = codeBlock->handlerForBytecodeOffset(bytecodeOffset))) { - if (!unwindCallFrame(callFrame, exceptionValue, bytecodeOffset, codeBlock)) + if (!unwindCallFrame(callFrame, exceptionValue, bytecodeOffset, codeBlock)) { +#ifdef QT_BUILD_SCRIPT_LIB + if (debugger) + debugger->exceptionThrow(DebuggerCallFrame(callFrame, exceptionValue), codeBlock->ownerNode()->sourceID(),false); +#endif return 0; + } } - +#ifdef QT_BUILD_SCRIPT_LIB + if (debugger) + debugger->exceptionThrow(DebuggerCallFrame(callFrame, exceptionValue), codeBlock->ownerNode()->sourceID(),true); +#endif // Now unwind the scope chain within the exception handler's call frame. ScopeChainNode* scopeChain = callFrame->scopeChain(); @@ -870,7 +887,7 @@ JSValue Interpreter::execute(EvalNode* evalNode, CallFrame* callFrame, JSObject* return result; } -NEVER_INLINE void Interpreter::debug(CallFrame* callFrame, DebugHookID debugHookID, int firstLine, int lastLine) +NEVER_INLINE void Interpreter::debug(CallFrame* callFrame, DebugHookID debugHookID, int firstLine, int lastLine, int column) { Debugger* debugger = callFrame->dynamicGlobalObject()->debugger(); if (!debugger) @@ -884,7 +901,7 @@ NEVER_INLINE void Interpreter::debug(CallFrame* callFrame, DebugHookID debugHook debugger->returnEvent(callFrame, callFrame->codeBlock()->ownerNode()->sourceID(), lastLine); return; case WillExecuteStatement: - debugger->atStatement(callFrame, callFrame->codeBlock()->ownerNode()->sourceID(), firstLine); + debugger->atStatement(callFrame, callFrame->codeBlock()->ownerNode()->sourceID(), firstLine, column); return; case WillExecuteProgram: debugger->willExecuteProgram(callFrame, callFrame->codeBlock()->ownerNode()->sourceID(), firstLine); @@ -893,7 +910,7 @@ NEVER_INLINE void Interpreter::debug(CallFrame* callFrame, DebugHookID debugHook debugger->didExecuteProgram(callFrame, callFrame->codeBlock()->ownerNode()->sourceID(), lastLine); return; case DidReachBreakpoint: - debugger->didReachBreakpoint(callFrame, callFrame->codeBlock()->ownerNode()->sourceID(), lastLine); + debugger->didReachBreakpoint(callFrame, callFrame->codeBlock()->ownerNode()->sourceID(), lastLine, column); return; } } @@ -1127,7 +1144,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi Instruction* vPC = callFrame->codeBlock()->instructions().begin(); Profiler** enabledProfilerReference = Profiler::enabledProfilerReference(); - unsigned tickCount = globalData->timeoutChecker.ticksUntilNextCheck(); + unsigned tickCount = globalData->timeoutChecker->ticksUntilNextCheck(); #define CHECK_FOR_EXCEPTION() \ do { \ @@ -1143,11 +1160,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi #define CHECK_FOR_TIMEOUT() \ if (!--tickCount) { \ - if (globalData->timeoutChecker.didTimeOut(callFrame)) { \ + if (globalData->timeoutChecker->didTimeOut(callFrame)) { \ exceptionValue = jsNull(); \ goto vm_throw; \ } \ - tickCount = globalData->timeoutChecker.ticksUntilNextCheck(); \ + tickCount = globalData->timeoutChecker->ticksUntilNextCheck(); \ } #if ENABLE(OPCODE_SAMPLING) @@ -3062,7 +3079,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (callType == CallTypeHost) { ScopeChainNode* scopeChain = callFrame->scopeChain(); CallFrame* newCallFrame = CallFrame::create(callFrame->registers() + registerOffset); - newCallFrame->init(0, vPC + 5, scopeChain, callFrame, dst, argCount, 0); + newCallFrame->init(0, vPC + 5, scopeChain, callFrame, dst, argCount, asObject(v)); Register* thisRegister = newCallFrame->registers() - RegisterFile::CallFrameHeaderSize - argCount; ArgList args(thisRegister + 1, argCount - 1); @@ -3104,7 +3121,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi exceptionValue = createStackOverflowError(callFrame); goto vm_throw; } - int32_t expectedParams = callFrame->callee()->body()->parameterCount(); + int32_t expectedParams = static_cast<JSFunction*>(callFrame->callee())->body()->parameterCount(); int32_t inplaceArgs = min(argCount, expectedParams); int32_t i = 0; Register* argStore = callFrame->registers() + argsOffset; @@ -3216,7 +3233,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi if (callType == CallTypeHost) { ScopeChainNode* scopeChain = callFrame->scopeChain(); CallFrame* newCallFrame = CallFrame::create(callFrame->registers() + registerOffset); - newCallFrame->init(0, vPC + 5, scopeChain, callFrame, dst, argCount, 0); + newCallFrame->init(0, vPC + 5, scopeChain, callFrame, dst, argCount, asObject(v)); Register* thisRegister = newCallFrame->registers() - RegisterFile::CallFrameHeaderSize - argCount; ArgList args(thisRegister + 1, argCount - 1); @@ -3295,17 +3312,27 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi register base to those of the calling function. */ +#ifdef QT_BUILD_SCRIPT_LIB + Debugger* debugger = callFrame->dynamicGlobalObject()->debugger(); + intptr_t sourceId = callFrame->codeBlock()->source()->asID(); +#endif + int result = (++vPC)->u.operand; if (callFrame->codeBlock()->needsFullScopeChain()) callFrame->scopeChain()->deref(); JSValue returnValue = callFrame->r(result).jsValue(); +#ifdef QT_BUILD_SCRIPT_LIB + if (debugger) { + debugger->functionExit(returnValue, sourceId); + } +#endif vPC = callFrame->returnPC(); int dst = callFrame->returnValueRegister(); callFrame = callFrame->callerFrame(); - + if (callFrame->hasHostCallFrameFlag()) return returnValue; @@ -3448,8 +3475,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi structure = asObject(prototype)->inheritorID(); else structure = callDataScopeChain->globalObject()->emptyObjectStructure(); +#ifdef QT_BUILD_SCRIPT_LIB + // ### world-class hack + QScriptObject* newObject = new (globalData) QScriptObject(structure); +#else JSObject* newObject = new (globalData) JSObject(structure); - +#endif callFrame->r(thisRegister) = JSValue(newObject); // "this" value CallFrame* previousCallFrame = callFrame; @@ -3475,8 +3506,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi ArgList args(callFrame->registers() + thisRegister + 1, argCount - 1); ScopeChainNode* scopeChain = callFrame->scopeChain(); + CallFrame* newCallFrame = CallFrame::create(callFrame->registers() + registerOffset); - newCallFrame->init(0, vPC + 7, scopeChain, callFrame, dst, argCount, 0); + newCallFrame->init(0, vPC + 7, scopeChain, callFrame, dst, argCount, asObject(v)); JSValue returnValue; { @@ -3647,6 +3679,16 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi */ ASSERT(exceptionValue); ASSERT(!globalData->exception); + +#ifdef QT_BUILD_SCRIPT_LIB + CodeBlock* codeBlock = callFrame->codeBlock(); + Debugger* debugger = callFrame->dynamicGlobalObject()->debugger(); + if (debugger) { + DebuggerCallFrame debuggerCallFrame(callFrame, exceptionValue); + debugger->exceptionCatch(debuggerCallFrame, codeBlock->ownerNode()->sourceID()); + } +#endif + int ex = (++vPC)->u.operand; callFrame->r(ex) = exceptionValue; exceptionValue = JSValue(); @@ -3787,7 +3829,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi NEXT_INSTRUCTION(); } DEFINE_OPCODE(op_debug) { - /* debug debugHookID(n) firstLine(n) lastLine(n) + /* debug debugHookID(n) firstLine(n) lastLine(n) columnNumber(n) Notifies the debugger of the current state of execution. This opcode is only generated while the debugger is attached. @@ -3795,8 +3837,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi int debugHookID = (++vPC)->u.operand; int firstLine = (++vPC)->u.operand; int lastLine = (++vPC)->u.operand; + int column = (++vPC)->u.operand; - debug(callFrame, static_cast<DebugHookID>(debugHookID), firstLine, lastLine); + debug(callFrame, static_cast<DebugHookID>(debugHookID), firstLine, lastLine, column); ++vPC; NEXT_INSTRUCTION(); diff --git a/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.h b/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.h index 5331d929f..69f83cf91 100644 --- a/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.h +++ b/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.h @@ -110,7 +110,7 @@ namespace JSC { NEVER_INLINE JSValue callEval(CallFrame*, RegisterFile*, Register* argv, int argc, int registerOffset, JSValue& exceptionValue); NEVER_INLINE HandlerInfo* throwException(CallFrame*&, JSValue&, unsigned bytecodeOffset, bool); - NEVER_INLINE void debug(CallFrame*, DebugHookID, int firstLine, int lastLine); + NEVER_INLINE void debug(CallFrame*, DebugHookID, int firstLine, int lastLine, int column); private: enum ExecutionFlag { Normal, InitializeAndReturn }; diff --git a/src/3rdparty/webkit/JavaScriptCore/interpreter/Register.h b/src/3rdparty/webkit/JavaScriptCore/interpreter/Register.h index 31f0c8b06..6d01eb7c5 100644 --- a/src/3rdparty/webkit/JavaScriptCore/interpreter/Register.h +++ b/src/3rdparty/webkit/JavaScriptCore/interpreter/Register.h @@ -40,7 +40,6 @@ namespace JSC { class CodeBlock; class ExecState; class JSActivation; - class JSFunction; class JSPropertyNameIterator; class ScopeChainNode; @@ -73,7 +72,7 @@ namespace JSC { Register(JSActivation*); Register(CallFrame*); Register(CodeBlock*); - Register(JSFunction*); + Register(JSObject*); Register(JSPropertyNameIterator*); Register(ScopeChainNode*); Register(Instruction*); @@ -82,7 +81,7 @@ namespace JSC { Arguments* arguments() const; CallFrame* callFrame() const; CodeBlock* codeBlock() const; - JSFunction* function() const; + JSObject* object() const; JSPropertyNameIterator* propertyNameIterator() const; ScopeChainNode* scopeChain() const; Instruction* vPC() const; @@ -96,7 +95,7 @@ namespace JSC { Arguments* arguments; CallFrame* callFrame; CodeBlock* codeBlock; - JSFunction* function; + JSObject* object; JSPropertyNameIterator* propertyNameIterator; ScopeChainNode* scopeChain; Instruction* vPC; @@ -152,9 +151,9 @@ namespace JSC { u.codeBlock = codeBlock; } - ALWAYS_INLINE Register::Register(JSFunction* function) + ALWAYS_INLINE Register::Register(JSObject* object) { - u.function = function; + u.object = object; } ALWAYS_INLINE Register::Register(Instruction* vPC) @@ -211,9 +210,9 @@ namespace JSC { return u.codeBlock; } - ALWAYS_INLINE JSFunction* Register::function() const + ALWAYS_INLINE JSObject* Register::object() const { - return u.function; + return u.object; } ALWAYS_INLINE JSPropertyNameIterator* Register::propertyNameIterator() const diff --git a/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp b/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp index cfcf1d362..06ddefc9e 100644 --- a/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp @@ -38,7 +38,7 @@ RegisterFile::~RegisterFile() #elif HAVE(VIRTUALALLOC) VirtualFree(m_buffer, 0, MEM_RELEASE); #else - #error "Don't know how to release virtual memory on this platform." + fastFree(m_buffer); #endif } diff --git a/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.h b/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.h index d46bdc918..5a34d11b2 100644 --- a/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.h +++ b/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.h @@ -204,8 +204,8 @@ namespace JSC { CRASH(); } m_commitEnd = reinterpret_cast<Register*>(reinterpret_cast<char*>(m_buffer) + committedSize); - #else - #error "Don't know how to reserve virtual memory on this platform." + #else // Neither MMAP nor VIRTUALALLOC - use fastMalloc instead + m_buffer = static_cast<Register*>(fastMalloc(bufferLength)); #endif m_start = m_buffer + maxGlobals; m_end = m_start; |