本文整理汇总了C++中JSScript::isDirectEvalInFunction方法的典型用法代码示例。如果您正苦于以下问题：C++ JSScript::isDirectEvalInFunction方法的具体用法？C++ JSScript::isDirectEvalInFunction怎么用？C++ JSScript::isDirectEvalInFunction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JSScript的用法示例。
在下文中一共展示了JSScript::isDirectEvalInFunction方法的1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: iter
static EnterJitStatus JS_HAZ_JSNATIVE_CALLER EnterJit(JSContext* cx,
RunState& state,
uint8_t* code) {
MOZ_ASSERT(state.script()->hasBaselineScript());
MOZ_ASSERT(code);
MOZ_ASSERT(IsBaselineEnabled(cx));
if (!CheckRecursionLimit(cx)) {
return EnterJitStatus::Error;
}
#ifdef DEBUG
// Assert we don't GC before entering JIT code. A GC could discard JIT code
// or move the function stored in the CalleeToken (it won't be traced at
// this point). We use Maybe<> here so we can call reset() to call the
// AutoAssertNoGC destructor before we enter JIT code.
mozilla::Maybe<JS::AutoAssertNoGC> nogc;
nogc.emplace(cx);
#endif
JSScript* script = state.script();
size_t numActualArgs;
bool constructing;
size_t maxArgc;
Value* maxArgv;
JSObject* envChain;
CalleeToken calleeToken;
if (state.isInvoke()) {
const CallArgs& args = state.asInvoke()->args();
numActualArgs = args.length();
if (TooManyActualArguments(numActualArgs)) {
// Too many arguments for Ion. Baseline supports more actual
// arguments, so in that case force Baseline code.
if (numActualArgs > BASELINE_MAX_ARGS_LENGTH) {
return EnterJitStatus::NotEntered;
}
code = script->baselineScript()->method()->raw();
}
constructing = state.asInvoke()->constructing();
maxArgc = args.length() + 1;
maxArgv = args.array() - 1; // -1 to include |this|
envChain = nullptr;
calleeToken = CalleeToToken(&args.callee().as<JSFunction>(), constructing);
unsigned numFormals = script->functionNonDelazifying()->nargs();
if (numFormals > numActualArgs) {
code = cx->runtime()->jitRuntime()->getArgumentsRectifier().value;
}
} else {
numActualArgs = 0;
constructing = false;
if (script->isDirectEvalInFunction()) {
if (state.asExecute()->newTarget().isNull()) {
ScriptFrameIter iter(cx);
state.asExecute()->setNewTarget(iter.newTarget());
}
maxArgc = 1;
maxArgv = state.asExecute()->addressOfNewTarget();
} else {
maxArgc = 0;
maxArgv = nullptr;
}
envChain = state.asExecute()->environmentChain();
calleeToken = CalleeToToken(state.script());
}
// Caller must construct |this| before invoking the function.
MOZ_ASSERT_IF(constructing, maxArgv[0].isObject() ||
maxArgv[0].isMagic(JS_UNINITIALIZED_LEXICAL));
RootedValue result(cx, Int32Value(numActualArgs));
{
AssertRealmUnchanged aru(cx);
ActivationEntryMonitor entryMonitor(cx, calleeToken);
JitActivation activation(cx);
EnterJitCode enter = cx->runtime()->jitRuntime()->enterJit();
#ifdef DEBUG
nogc.reset();
#endif
CALL_GENERATED_CODE(enter, code, maxArgc, maxArgv, /* osrFrame = */ nullptr,
calleeToken, envChain, /* osrNumStackValues = */ 0,
result.address());
}
MOZ_ASSERT(!cx->hasIonReturnOverride());
// Release temporary buffer used for OSR into Ion.
cx->freeOsrTempData();
if (result.isMagic()) {
MOZ_ASSERT(result.isMagic(JS_ION_ERROR));
return EnterJitStatus::Error;
}
// Jit callers wrap primitive constructor return, except for derived
// class constructors, which are forced to do it themselves.
//.........这里部分代码省略.........