Set up rewriting triggers

src/parsing/parser.h

Index: src/parsing/parser.h
diff --git a/src/parsing/parser.h b/src/parsing/parser.h
index d1063b0215fdcdb54159dae13c7fd0f5f43a75c7..c6e906d9ad828f0bffe039bd6249caebd470a01f 100644
--- a/src/parsing/parser.h
+++ b/src/parsing/parser.h
@@ -652,9 +652,11 @@ class ParserTraits {
                                        const AstRawString* name);
 
   // Rewrite expressions

[rossberg, 2016/01/12 13:47:52]

Nit: can you clarify in the comment that this is used to resolve expressions
that were parsed using the cover grammar?

[nickie, 2016/01/12 14:12:32]

We agreed to rename this as RewriteNonPattern which is self-explanatory.

-  V8_INLINE Expression* RewriteExpression(Expression* expr);
+  V8_INLINE Expression* RewriteExpression(
+      Expression* expr, const ExpressionClassifier* classifier, bool* ok);
   V8_INLINE ObjectLiteralProperty* RewriteObjectLiteralProperty(
-      ObjectLiteralProperty* property);
+      ObjectLiteralProperty* property, const ExpressionClassifier* classifier,
+      bool* ok);
 
  private:
   Parser* parser_;
@@ -1008,9 +1010,11 @@ class Parser : public ParserBase<ParserTraits> {
 
   V8_INLINE void RewriteDestructuringAssignments();
 
-  V8_INLINE Expression* RewriteExpression(Expression* expr);
+  V8_INLINE Expression* RewriteExpression(
+      Expression* expr, const ExpressionClassifier* classifier, bool* ok);
   V8_INLINE ObjectLiteralProperty* RewriteObjectLiteralProperty(
-      ObjectLiteralProperty* property);
+      ObjectLiteralProperty* property, const ExpressionClassifier* classifier,
+      bool* ok);
 
   friend class InitializerRewriter;
   void RewriteParameterInitializer(Expression* expr, Scope* scope);