Split AST Declaration class, in preparation for new module declaration forms.

src/rewriter.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 191 matching lines @@
 
 
 void Processor::VisitWithStatement(WithStatement* node) {
   bool set_after_body = is_set_;
   Visit(node->statement());
   is_set_ = is_set_ && set_after_body;
 }
 
 
 // Do nothing:
-void Processor::VisitDeclaration(Declaration* node) {}
+void Processor::VisitVariableDeclaration(VariableDeclaration* node) {}
 void Processor::VisitEmptyStatement(EmptyStatement* node) {}
 void Processor::VisitReturnStatement(ReturnStatement* node) {}
 void Processor::VisitDebuggerStatement(DebuggerStatement* node) {}
 
 
 // Expressions are never visited yet.
 #define DEF_VISIT(type)                                         \
   void Processor::Visit##type(type* expr) { UNREACHABLE(); }
 EXPRESSION_NODE_LIST(DEF_VISIT)
 #undef DEF_VISIT
@@ skipping 33 matching lines @@
       result_statement->set_statement_pos(position);
       body->Add(result_statement);
     }
   }
 
   return true;
 }
 
 
 } }  // namespace v8::internal