Support for global var shortcuts in script contexts.

src/prettyprinter.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 <stdarg.h>
 
 #include "src/v8.h"
 
 #include "src/ast-value-factory.h"
 #include "src/base/platform/platform.h"
@@ skipping 1418 matching lines @@
   }
 }
 
 
 // TODO(svenpanne) Start with IndentedScope.
 void AstPrinter::VisitVariableProxy(VariableProxy* node) {
   Variable* var = node->var();
   EmbeddedVector<char, 128> buf;
   int pos = SNPrintF(buf, "VAR PROXY");
   switch (var->location()) {
-    case Variable::UNALLOCATED:
+    case VariableLocation::UNALLOCATED:
       break;
-    case Variable::PARAMETER:
+    case VariableLocation::PARAMETER:
       SNPrintF(buf + pos, " parameter[%d]", var->index());
       break;
-    case Variable::LOCAL:
+    case VariableLocation::LOCAL:
       SNPrintF(buf + pos, " local[%d]", var->index());
       break;
-    case Variable::CONTEXT:
+    case VariableLocation::CONTEXT:
       SNPrintF(buf + pos, " context[%d]", var->index());
       break;
-    case Variable::LOOKUP:
+    case VariableLocation::GLOBAL:
+      SNPrintF(buf + pos, " global[%d]", var->index());
+      break;
+    case VariableLocation::LOOKUP:
       SNPrintF(buf + pos, " lookup");
       break;
   }
   PrintLiteralWithModeIndented(buf.start(), var, node->name());
 }
 
 
 void AstPrinter::VisitAssignment(Assignment* node) {
   IndentedScope indent(this, Token::Name(node->op()));
   Visit(node->target());
@@ skipping 93 matching lines @@
 
 void AstPrinter::VisitSuperCallReference(SuperCallReference* node) {
   IndentedScope indent(this, "SUPER-CALL-REFERENCE");
 }
 
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8