本文整理汇总了C++中JSStackFrame::isConstructingFlag方法的典型用法代码示例。如果您正苦于以下问题：C++ JSStackFrame::isConstructingFlag方法的具体用法？C++ JSStackFrame::isConstructingFlag怎么用？C++ JSStackFrame::isConstructingFlag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JSStackFrame的用法示例。
在下文中一共展示了JSStackFrame::isConstructingFlag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: THROWV
/*
* This function must only be called after the early prologue, since it depends
* on fp->exec.fun.
*/
void * JS_FASTCALL
stubs::FixupArity(VMFrame &f, uint32 nactual)
{
JSContext *cx = f.cx;
JSStackFrame *oldfp = f.fp();
JS_ASSERT(nactual != oldfp->numFormalArgs());
/*
* Grossssss! *move* the stack frame. If this ends up being perf-critical,
* we can figure out how to spot-optimize it. Be careful to touch only the
* members that have been initialized by initCallFrameCallerHalf and the
* early prologue.
*/
uint32 flags = oldfp->isConstructingFlag();
JSFunction *fun = oldfp->fun();
void *ncode = oldfp->nativeReturnAddress();
/* Pop the inline frame. */
f.fp() = oldfp->prev();
f.regs.sp = (Value*) oldfp;
/* Reserve enough space for a callee frame. */
JSStackFrame *newfp = cx->stack().getInlineFrameWithinLimit(cx, (Value*) oldfp, nactual,
fun, fun->script(), &flags,
f.entryfp, &f.stackLimit);
if (!newfp) {
/*
* The PC is not coherent with the current frame, so fix it up for
* exception handling.
*/
f.regs.pc = f.jit()->nativeToPC(ncode);
THROWV(NULL);
}
/* Reset the part of the stack frame set by the caller. */
newfp->initCallFrameCallerHalf(cx, flags, ncode);
/* Reset the part of the stack frame set by the prologue up to now. */
newfp->initCallFrameEarlyPrologue(fun, nactual);
/* The caller takes care of assigning fp to regs. */
return newfp;
}