X87: Classes: implement 'new super'.

port r24825.

original commit message:

  Classes: implement 'new super'.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/663233003

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24859 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
weiliang.lin@intel.com 2014-10-24 07:34:20 +00:00
parent 518ddc9317
commit 70a11f5697

View File

@ -2854,6 +2854,13 @@ void FullCodeGenerator::EmitResolvePossiblyDirectEval(int arg_count) {
}
void FullCodeGenerator::EmitLoadSuperConstructor(SuperReference* super_ref) {
DCHECK(super_ref != NULL);
__ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
__ CallRuntime(Runtime::kGetPrototype, 1);
}
void FullCodeGenerator::VisitCall(Call* expr) {
#ifdef DEBUG
// We want to verify that RecordJSReturnSite gets called on all paths
@ -2964,9 +2971,7 @@ void FullCodeGenerator::VisitCall(Call* expr) {
}
} else if (call_type == Call::SUPER_CALL) {
SuperReference* super_ref = callee->AsSuperReference();
DCHECK(super_ref != NULL);
__ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
__ CallRuntime(Runtime::kGetPrototype, 1);
EmitLoadSuperConstructor(super_ref);
__ push(result_register());
VisitForStackValue(super_ref->this_var());
EmitCall(expr, CallICState::METHOD);
@ -2997,7 +3002,12 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
// Push constructor on the stack. If it's not a function it's used as
// receiver for CALL_NON_FUNCTION, otherwise the value on the stack is
// ignored.
VisitForStackValue(expr->expression());
if (expr->expression()->IsSuperReference()) {
EmitLoadSuperConstructor(expr->expression()->AsSuperReference());
__ push(result_register());
} else {
VisitForStackValue(expr->expression());
}
// Push the arguments ("left-to-right") on the stack.
ZoneList<Expression*>* args = expr->arguments();