bool
GeneratorObject::suspend(JSContext *cx, HandleObject obj, AbstractFramePtr frame, jsbytecode *pc,
Value *vp, unsigned nvalues)
{
MOZ_ASSERT(*pc == JSOP_INITIALYIELD || *pc == JSOP_YIELD);
Rooted<GeneratorObject*> genObj(cx, &obj->as<GeneratorObject>());
MOZ_ASSERT(!genObj->hasExpressionStack());
if (*pc == JSOP_YIELD && genObj->isClosing() && genObj->is<LegacyGeneratorObject>()) {
RootedValue val(cx, ObjectValue(*frame.callee()));
js_ReportValueError(cx, JSMSG_BAD_GENERATOR_YIELD, JSDVG_IGNORE_STACK, val, NullPtr());
return false;
}
uint32_t yieldIndex = GET_UINT24(pc);
genObj->setYieldIndex(yieldIndex);
genObj->setScopeChain(*frame.scopeChain());
if (nvalues) {
ArrayObject *stack = NewDenseCopiedArray(cx, nvalues, vp);
if (!stack)
return false;
genObj->setExpressionStack(*stack);
}
return true;
}
bool
js::DirectEval(JSContext *cx, const CallArgs &args)
{
// Direct eval can assume it was called from an interpreted or baseline frame.
ScriptFrameIter iter(cx);
AbstractFramePtr caller = iter.abstractFramePtr();
JS_ASSERT(caller.scopeChain()->global().valueIsEval(args.calleev()));
JS_ASSERT(JSOp(*iter.pc()) == JSOP_EVAL ||
JSOp(*iter.pc()) == JSOP_SPREADEVAL);
JS_ASSERT_IF(caller.isFunctionFrame(),
caller.compartment() == caller.callee()->compartment());
RootedObject scopeChain(cx, caller.scopeChain());
return EvalKernel(cx, args, DIRECT_EVAL, caller, scopeChain, iter.pc());
}
JSObject *
JSAbstractFramePtr::scopeChain(JSContext *cx)
{
AbstractFramePtr frame = Valueify(*this);
RootedObject scopeChain(cx, frame.scopeChain());
AutoCompartment ac(cx, scopeChain);
return GetDebugScopeForFrame(cx, frame);
}
bool
js::DirectEval(JSContext *cx, const CallArgs &args)
{
// Direct eval can assume it was called from an interpreted or baseline frame.
ScriptFrameIter iter(cx);
AbstractFramePtr caller = iter.abstractFramePtr();
JS_ASSERT(IsBuiltinEvalForScope(caller.scopeChain(), args.calleev()));
JS_ASSERT(JSOp(*iter.pc()) == JSOP_EVAL);
JS_ASSERT_IF(caller.isFunctionFrame(),
caller.compartment() == caller.callee()->compartment());
if (!WarnOnTooManyArgs(cx, args))
return false;
RootedObject scopeChain(cx, caller.scopeChain());
return EvalKernel(cx, args, DIRECT_EVAL, caller, scopeChain, iter.pc());
}
JSObject *
JSAbstractFramePtr::scopeChain(JSContext *cx)
{
AbstractFramePtr frame = Valueify(*this);
JS_ASSERT_IF(frame.isStackFrame(),
cx->stack.space().containsSlow(frame.asStackFrame()));
RootedObject scopeChain(cx, frame.scopeChain());
AutoCompartment ac(cx, scopeChain);
return GetDebugScopeForFrame(cx, frame);
}
bool
JSAbstractFramePtr::getThisValue(JSContext *cx, MutableHandleValue thisv)
{
AbstractFramePtr frame = Valueify(*this);
RootedObject scopeChain(cx, frame.scopeChain());
js::AutoCompartment ac(cx, scopeChain);
if (!ComputeThis(cx, frame))
return false;
thisv.set(frame.thisValue());
return true;
}
bool
js::DirectEval(JSContext* cx, HandleValue v, MutableHandleValue vp)
{
// Direct eval can assume it was called from an interpreted or baseline frame.
ScriptFrameIter iter(cx, FrameIter::GO_THROUGH_SAVED);
AbstractFramePtr caller = iter.abstractFramePtr();
MOZ_ASSERT(JSOp(*iter.pc()) == JSOP_EVAL ||
JSOp(*iter.pc()) == JSOP_STRICTEVAL ||
JSOp(*iter.pc()) == JSOP_SPREADEVAL ||
JSOp(*iter.pc()) == JSOP_STRICTSPREADEVAL);
MOZ_ASSERT(caller.compartment() == caller.script()->compartment());
RootedObject scopeChain(cx, caller.scopeChain());
return EvalKernel(cx, v, DIRECT_EVAL, caller, scopeChain, iter.pc(), vp);
}
