static StackFrame *
PushInlinedFrame(JSContext *cx, StackFrame *callerFrame)
{
// Grab the callee object out of the caller's frame, which has already been restored.
// N.B. we currently assume that the caller frame is at a JSOP_CALL pc for the caller frames,
// which will not be the case when we inline getters (in which case it would be a
// JSOP_GETPROP). That will have to be handled differently.
FrameRegs ®s = cx->regs();
JS_ASSERT(JSOp(*regs.pc) == JSOP_CALL || JSOp(*regs.pc) == JSOP_NEW);
int callerArgc = GET_ARGC(regs.pc);
const Value &calleeVal = regs.sp[-callerArgc - 2];
JSFunction *fun = calleeVal.toObject().toFunction();
JSScript *script = fun->script();
CallArgs inlineArgs = CallArgsFromSp(callerArgc, regs.sp);
// Bump the stack pointer to make it look like the inline args have been pushed, but they will
// really get filled in by RestoreOneFrame.
regs.sp = inlineArgs.end();
InitialFrameFlags flags = INITIAL_NONE;
if (JSOp(*regs.pc) == JSOP_NEW)
flags = INITIAL_CONSTRUCT;
if (!cx->stack.pushInlineFrame(cx, regs, inlineArgs, *fun, script, flags, DONT_REPORT_ERROR))
return NULL;
StackFrame *fp = cx->stack.fp();
JS_ASSERT(fp == regs.fp());
JS_ASSERT(fp->prev() == callerFrame);
fp->formals()[-2].setObject(*fun);
return fp;
}
bool
ContextStack::pushInvokeFrame(JSContext *cx, const CallArgs &args,
InitialFrameFlags initial, InvokeFrameGuard *ifg)
{
JS_ASSERT(onTop());
JS_ASSERT(space().firstUnused() == args.end());
JSObject &callee = args.callee();
JSFunction *fun = callee.toFunction();
JSScript *script = fun->script();
StackFrame::Flags flags = ToFrameFlags(initial);
StackFrame *fp = getCallFrame(cx, REPORT_ERROR, args, fun, script, &flags);
if (!fp)
return false;
fp->initCallFrame(cx, *fun, script, args.length(), flags);
ifg->regs_.prepareToRun(*fp, script);
ifg->prevRegs_ = seg_->pushRegs(ifg->regs_);
JS_ASSERT(space().firstUnused() == ifg->regs_.sp);
ifg->setPushed(*this);
return true;
}
