Remove the JSON AST printing support.

src/prettyprinter.h

Index: src/prettyprinter.h
diff --git a/src/prettyprinter.h b/src/prettyprinter.h
index a26c48e490d25fdde447b9b911b33a547c413627..9ac72576409f961bbc173b5acdd8bc13674bb34f 100644
--- a/src/prettyprinter.h
+++ b/src/prettyprinter.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:
@@ -112,107 +112,6 @@ class AstPrinter: public PrettyPrinter {
   int indent_;
 };
 
-
-// Forward declaration of helper classes.
-class TagScope;
-class AttributesScope;
-
-// Build a C string containing a JSON representation of a function's
-// AST. The representation is based on JsonML (www.jsonml.org).
-class JsonAstBuilder: public PrettyPrinter {
- public:
-  JsonAstBuilder()
-      : indent_(0), top_tag_scope_(NULL), attributes_scope_(NULL) {
-  }
-  virtual ~JsonAstBuilder() {}
-
-  // Controls the indentation of subsequent lines of a tag body after
-  // the first line.
-  static const int kTagIndentSize = 2;
-
-  // Controls the indentation of subsequent lines of an attributes
-  // blocks's body after the first line.
-  static const int kAttributesIndentSize = 1;
-
-  // Construct a JSON representation of a function literal.
-  const char* BuildProgram(FunctionLiteral* program);
-
-  // Print text indented by the current indentation level.
-  void PrintIndented(const char* text) { Print("%*s%s", indent_, "", text); }
-
-  // Change the indentation level.
-  void increase_indent(int amount) { indent_ += amount; }
-  void decrease_indent(int amount) { indent_ -= amount; }
-
-  // The builder maintains a stack of opened AST node constructors.
-  // Each node constructor corresponds to a JsonML tag.
-  TagScope* tag() { return top_tag_scope_; }
-  void set_tag(TagScope* scope) { top_tag_scope_ = scope; }
-
-  // The builder maintains a pointer to the currently opened attributes
-  // of current AST node or NULL if the attributes are not opened.
-  AttributesScope* attributes() { return attributes_scope_; }
-  void set_attributes(AttributesScope* scope) { attributes_scope_ = scope; }
-
-  // Add an attribute to the currently opened attributes.
-  void AddAttribute(const char* name, Handle<String> value);
-  void AddAttribute(const char* name, const char* value);
-  void AddAttribute(const char* name, int value);
-  void AddAttribute(const char* name, bool value);
-
-  // AST node visit functions.
-#define DECLARE_VISIT(type) virtual void Visit##type(type* node);
-  AST_NODE_LIST(DECLARE_VISIT)
-#undef DECLARE_VISIT
-
- private:
-  int indent_;
-  TagScope* top_tag_scope_;
-  AttributesScope* attributes_scope_;
-
-  // Utility function used by AddAttribute implementations.
-  void AddAttributePrefix(const char* name);
-};
-
-
-// The JSON AST builder keeps a stack of open element tags (AST node
-// constructors from the current iteration point to the root of the
-// AST).  TagScope is a helper class to manage the opening and closing
-// of tags, the indentation of their bodies, and comma separating their
-// contents.
-class TagScope BASE_EMBEDDED {
- public:
-  TagScope(JsonAstBuilder* builder, const char* name);
-  ~TagScope();
-
-  void use() { has_body_ = true; }
-
- private:
-  JsonAstBuilder* builder_;
-  TagScope* next_;
-  bool has_body_;
-};
-
-
-// AttributesScope is a helper class to manage the opening and closing
-// of attribute blocks, the indentation of their bodies, and comma
-// separating their contents. JsonAstBuilder::AddAttribute adds an
-// attribute to the currently open AttributesScope. They cannot be
-// nested so the builder keeps an optional single scope rather than a
-// stack.
-class AttributesScope BASE_EMBEDDED {
- public:
-  explicit AttributesScope(JsonAstBuilder* builder);
-  ~AttributesScope();
-
-  bool is_used() { return attribute_count_ > 0; }
-  void use() { ++attribute_count_; }
-
- private:
-  JsonAstBuilder* builder_;
-  int attribute_count_;
-};
-
 #endif  // DEBUG
 
 } }  // namespace v8::internal