[es6] super.prop, eval and lazy functions

src/ast.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/ast.h"
 
 #include <cmath>  // For isfinite.
 #include "src/builtins.h"
 #include "src/code-stubs.h"
 #include "src/contexts.h"
@@ skipping 216 matching lines @@
 int FunctionLiteral::end_position() const {
   return scope()->end_position();
 }
 
 
 LanguageMode FunctionLiteral::language_mode() const {
   return scope()->language_mode();
 }
 
 
-bool FunctionLiteral::uses_super_property() const {
-  DCHECK_NOT_NULL(scope());
-  return scope()->uses_super_property();
+bool FunctionLiteral::NeedsHomeObject(Expression* expr) {
+  if (expr == nullptr || !expr->IsFunctionLiteral()) return false;
+  DCHECK_NOT_NULL(expr->AsFunctionLiteral());

[adamk, 2015/06/04 20:02:33]

This DCHECK seems a little over-anxious, the above if statement already checked
this.

[arv (Not doing code reviews), 2015/06/04 20:17:45]

Done.

+  DCHECK_NOT_NULL(expr->AsFunctionLiteral()->scope());
+  return expr->AsFunctionLiteral()->scope()->NeedsHomeObject();
 }
 
 
 // Helper to find an existing shared function info in the baseline code for the
 // given function literal. Used to canonicalize SharedFunctionInfo objects.
 void FunctionLiteral::InitializeSharedInfo(
     Handle<Code> unoptimized_code) {
   for (RelocIterator it(*unoptimized_code); !it.done(); it.next()) {
     RelocInfo* rinfo = it.rinfo();
     if (rinfo->rmode() != RelocInfo::EMBEDDED_OBJECT) continue;
@@ skipping 870 matching lines @@
 bool Literal::Match(void* literal1, void* literal2) {
   const AstValue* x = static_cast<Literal*>(literal1)->raw_value();
   const AstValue* y = static_cast<Literal*>(literal2)->raw_value();
   return (x->IsString() && y->IsString() && x->AsString() == y->AsString()) ||
          (x->IsNumber() && y->IsNumber() && x->AsNumber() == y->AsNumber());
 }
 
 
 }  // namespace internal
 }  // namespace v8