Add initial parser support for harmony iteration

src/prettyprinter.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 237 matching lines @@
   PrintLabels(node->labels());
   Print("for (");
   Visit(node->each());
   Print(" in ");
   Visit(node->enumerable());
   Print(") ");
   Visit(node->body());
 }
 
 
+void PrettyPrinter::VisitForOfStatement(ForOfStatement* node) {
+  PrintLabels(node->labels());
+  Print("for (");
+  Visit(node->each());
+  Print(" of ");
+  Visit(node->iterable());
+  Print(") ");
+  Visit(node->body());
+}
+
+
 void PrettyPrinter::VisitTryCatchStatement(TryCatchStatement* node) {
   Print("try ");
   Visit(node->try_block());
   Print(" catch (");
   const bool quote = false;
   PrintLiteral(node->variable()->name(), quote);
   Print(") ");
   Visit(node->catch_block());
 }
 
@@ skipping 654 matching lines @@
 
 
 void AstPrinter::VisitForInStatement(ForInStatement* node) {
   IndentedScope indent(this, "FOR IN");
   PrintIndentedVisit("FOR", node->each());
   PrintIndentedVisit("IN", node->enumerable());
   PrintIndentedVisit("BODY", node->body());
 }
 
 
+void AstPrinter::VisitForOfStatement(ForOfStatement* node) {
+  IndentedScope indent(this, "FOR OF");
+  PrintIndentedVisit("FOR", node->each());
+  PrintIndentedVisit("OF", node->iterable());
+  PrintIndentedVisit("BODY", node->body());
+}
+
+
 void AstPrinter::VisitTryCatchStatement(TryCatchStatement* node) {
   IndentedScope indent(this, "TRY CATCH");
   PrintIndentedVisit("TRY", node->try_block());
   PrintLiteralWithModeIndented("CATCHVAR",
                                node->variable(),
                                node->variable()->name());
   PrintIndentedVisit("CATCH", node->catch_block());
 }
 
 
@@ skipping 199 matching lines @@
 }
 
 
 void AstPrinter::VisitThisFunction(ThisFunction* node) {
   IndentedScope indent(this, "THIS-FUNCTION");
 }
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal