Revision: 24711
Author: [email protected]
Date: Mon Oct 20 02:00:50 2014 UTC
Log: X87: Implement the new semantics for 'super(...)'
original commit message:
Implement the new semantics for 'super(...)'
Per the latest ES6 draft, super(...) translates into a call
to function's prototype.
BUG=
[email protected]
Review URL: https://codereview.chromium.org/642603006
Patch from Chunyang Dai <[email protected]>.
https://code.google.com/p/v8/source/detail?r=24711
Modified:
/branches/bleeding_edge/src/x87/full-codegen-x87.cc
=======================================
--- /branches/bleeding_edge/src/x87/full-codegen-x87.cc Thu Oct 16 06:24:47
2014 UTC
+++ /branches/bleeding_edge/src/x87/full-codegen-x87.cc Mon Oct 20 02:00:50
2014 UTC
@@ -2959,6 +2959,14 @@
EmitKeyedCallWithLoadIC(expr, property->key());
}
}
+ } 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);
+ __ push(result_register());
+ VisitForStackValue(super_ref->this_var());
+ EmitCall(expr, CallICState::METHOD);
} else {
DCHECK(call_type == Call::OTHER_CALL);
// Call to an arbitrary expression not handled specially above.
--
--
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