Add initial parser support for harmony iteration

src/full-codegen.cc

Index: src/full-codegen.cc
diff --git a/src/full-codegen.cc b/src/full-codegen.cc
index ad2a9947f3d89a1f5363258d059151b2def093df..c32309a61f77b646d039dfc6cf490e16d761ad24 100644
--- a/src/full-codegen.cc
+++ b/src/full-codegen.cc
@@ -163,6 +163,12 @@ void BreakableStatementChecker::VisitForInStatement(ForInStatement* stmt) {
 }
 
 
+void BreakableStatementChecker::VisitForOfStatement(ForOfStatement* stmt) {
+  // Mark for in statements breakable if the iterable expression is.
+  Visit(stmt->iterable());
+}
+
+
 void BreakableStatementChecker::VisitTryCatchStatement(
     TryCatchStatement* stmt) {
   // Mark try catch as breakable to avoid adding a break slot in front of it.
@@ -1383,6 +1389,11 @@ void FullCodeGenerator::VisitForStatement(ForStatement* stmt) {
 }
 
 
+void FullCodeGenerator::VisitForOfStatement(ForOfStatement* stmt) {
+  // TODO(wingo): Implement.
+}
+
+
 void FullCodeGenerator::VisitTryCatchStatement(TryCatchStatement* stmt) {
   Comment cmnt(masm_, "[ TryCatchStatement");
   SetStatementPosition(stmt);