Collect AstNode type information

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index 47eaeea3bcbe9231ae1cee1ae97a9085dc5034d8..d54900b6e1702a81fa38901bd6a52102cb41331a 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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:
@@ -59,6 +59,9 @@ class CompilationInfo BASE_EMBEDDED {
   }
   bool is_in_loop() const { return IsInLoop::decode(flags_); }
   FunctionLiteral* function() const { return function_; }
+  AstConstructionVisitor* ast_construction_visitor() {
+    return &ast_construction_visitor_;
+  }
   Scope* scope() const { return scope_; }
   Scope* global_scope() const { return global_scope_; }
   Handle<Code> code() const { return code_; }
@@ -253,6 +256,9 @@ class CompilationInfo BASE_EMBEDDED {
   // handle otherwise.
   Handle<Context> calling_context_;
 
+  // AstConstructionVisitor that visits all of function_'s AST nodes.
+  AstConstructionVisitor ast_construction_visitor_;
+
   // Compilation mode flag and whether deoptimization is allowed.
   Mode mode_;
   int osr_ast_id_;