本文整理汇总了C++中JSFunction::scopeUnchecked方法的典型用法代码示例。如果您正苦于以下问题:C++ JSFunction::scopeUnchecked方法的具体用法?C++ JSFunction::scopeUnchecked怎么用?C++ JSFunction::scopeUnchecked使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类JSFunction
的用法示例。
在下文中一共展示了JSFunction::scopeUnchecked方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: virtualFor
inline void* virtualFor(ExecState* execCallee, CodeSpecializationKind kind)
{
ExecState* exec = execCallee->callerFrame();
JSValue calleeAsValue = execCallee->calleeAsValue();
JSCell* calleeAsFunctionCell = getJSFunction(calleeAsValue);
if (UNLIKELY(!calleeAsFunctionCell))
return handleHostCall(execCallee, calleeAsValue, kind);
JSFunction* function = asFunction(calleeAsFunctionCell);
execCallee->setScopeChain(function->scopeUnchecked());
ExecutableBase* executable = function->executable();
if (UNLIKELY(!executable->hasJITCodeFor(kind))) {
FunctionExecutable* functionExecutable = static_cast<FunctionExecutable*>(executable);
JSObject* error = functionExecutable->compileFor(execCallee, function->scope(), kind);
if (error) {
exec->globalData().exception = error;
return 0;
}
}
return executable->generatedJITCodeWithArityCheckFor(kind).executableAddress();
}
示例2: linkFor
inline void* linkFor(ExecState* execCallee, ReturnAddressPtr returnAddress, CodeSpecializationKind kind)
{
ExecState* exec = execCallee->callerFrame();
JSGlobalData* globalData = &exec->globalData();
NativeCallFrameTracer tracer(globalData, exec);
JSValue calleeAsValue = execCallee->calleeAsValue();
JSCell* calleeAsFunctionCell = getJSFunction(calleeAsValue);
if (!calleeAsFunctionCell)
return handleHostCall(execCallee, calleeAsValue, kind);
JSFunction* callee = jsCast<JSFunction*>(calleeAsFunctionCell);
execCallee->setScopeChain(callee->scopeUnchecked());
ExecutableBase* executable = callee->executable();
MacroAssemblerCodePtr codePtr;
CodeBlock* codeBlock = 0;
if (executable->isHostFunction())
codePtr = executable->generatedJITCodeFor(kind).addressForCall();
else {
FunctionExecutable* functionExecutable = static_cast<FunctionExecutable*>(executable);
JSObject* error = functionExecutable->compileFor(execCallee, callee->scope(), kind);
if (error) {
globalData->exception = createStackOverflowError(exec);
return 0;
}
codeBlock = &functionExecutable->generatedBytecodeFor(kind);
if (execCallee->argumentCountIncludingThis() < static_cast<size_t>(codeBlock->numParameters()))
codePtr = functionExecutable->generatedJITCodeWithArityCheckFor(kind);
else
codePtr = functionExecutable->generatedJITCodeFor(kind).addressForCall();
}
CallLinkInfo& callLinkInfo = exec->codeBlock()->getCallLinkInfo(returnAddress);
if (!callLinkInfo.seenOnce())
callLinkInfo.setSeen();
else
dfgLinkFor(execCallee, callLinkInfo, codeBlock, callee, codePtr, kind);
return codePtr.executableAddress();
}
示例3: linkFor
inline char* linkFor(ExecState* execCallee, CodeSpecializationKind kind)
{
ExecState* exec = execCallee->callerFrame();
VM* vm = &exec->vm();
NativeCallFrameTracer tracer(vm, exec);
JSValue calleeAsValue = execCallee->calleeAsValue();
JSCell* calleeAsFunctionCell = getJSFunction(calleeAsValue);
if (!calleeAsFunctionCell)
return reinterpret_cast<char*>(handleHostCall(execCallee, calleeAsValue, kind));
JSFunction* callee = jsCast<JSFunction*>(calleeAsFunctionCell);
execCallee->setScope(callee->scopeUnchecked());
ExecutableBase* executable = callee->executable();
MacroAssemblerCodePtr codePtr;
CodeBlock* codeBlock = 0;
if (executable->isHostFunction())
codePtr = executable->generatedJITCodeFor(kind)->addressForCall();
else {
FunctionExecutable* functionExecutable = static_cast<FunctionExecutable*>(executable);
JSObject* error = functionExecutable->prepareForExecution(execCallee, callee->scope(), kind);
if (error) {
vm->throwException(exec, createStackOverflowError(exec));
return reinterpret_cast<char*>(vm->getCTIStub(throwExceptionFromCallSlowPathGenerator).code().executableAddress());
}
codeBlock = functionExecutable->codeBlockFor(kind);
if (execCallee->argumentCountIncludingThis() < static_cast<size_t>(codeBlock->numParameters()))
codePtr = functionExecutable->generatedJITCodeWithArityCheckFor(kind);
else
codePtr = functionExecutable->generatedJITCodeFor(kind)->addressForCall();
}
CallLinkInfo& callLinkInfo = exec->codeBlock()->getCallLinkInfo(execCallee->returnPC());
if (!callLinkInfo.seenOnce())
callLinkInfo.setSeen();
else
linkFor(execCallee, callLinkInfo, codeBlock, callee, codePtr, kind);
return reinterpret_cast<char*>(codePtr.executableAddress());
}
示例4: virtualForWithFunction
inline char* virtualForWithFunction(ExecState* execCallee, CodeSpecializationKind kind, JSCell*& calleeAsFunctionCell)
{
ExecState* exec = execCallee->callerFrame();
VM* vm = &exec->vm();
NativeCallFrameTracer tracer(vm, exec);
JSValue calleeAsValue = execCallee->calleeAsValue();
calleeAsFunctionCell = getJSFunction(calleeAsValue);
if (UNLIKELY(!calleeAsFunctionCell))
return reinterpret_cast<char*>(handleHostCall(execCallee, calleeAsValue, kind));
JSFunction* function = jsCast<JSFunction*>(calleeAsFunctionCell);
execCallee->setScope(function->scopeUnchecked());
ExecutableBase* executable = function->executable();
if (UNLIKELY(!executable->hasJITCodeFor(kind))) {
FunctionExecutable* functionExecutable = static_cast<FunctionExecutable*>(executable);
JSObject* error = functionExecutable->prepareForExecution(execCallee, function->scope(), kind);
if (error) {
exec->vm().throwException(execCallee, error);
return reinterpret_cast<char*>(vm->getCTIStub(throwExceptionFromCallSlowPathGenerator).code().executableAddress());
}
}
return reinterpret_cast<char*>(executable->generatedJITCodeWithArityCheckFor(kind).executableAddress());
}