Unify handling of position info in AST, part 3

src/ast.h

 // 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 99 matching lines @@
   V(Property)                                   \
   V(Call)                                       \
   V(CallNew)                                    \
   V(CallRuntime)                                \
   V(UnaryOperation)                             \
   V(CountOperation)                             \
   V(BinaryOperation)                            \
   V(CompareOperation)                           \
   V(ThisFunction)
 
+#define AUXILIARY_NODE_LIST(V)                  \
+  V(CaseClause)
+
 #define AST_NODE_LIST(V)                        \
   DECLARATION_NODE_LIST(V)                      \
   MODULE_NODE_LIST(V)                           \
   STATEMENT_NODE_LIST(V)                        \
-  EXPRESSION_NODE_LIST(V)
+  EXPRESSION_NODE_LIST(V)                       \
+  AUXILIARY_NODE_LIST(V)
 
 // Forward declarations
 class AstConstructionVisitor;
 template<class> class AstNodeFactory;
 class AstVisitor;
 class Declaration;
 class Module;
 class BreakableStatement;
 class Expression;
 class IterationStatement;
@@ skipping 961 matching lines @@
         expression_(expression),
         statement_(statement) { }
 
  private:
   Scope* scope_;
   Expression* expression_;
   Statement* statement_;
 };
 
 
-class CaseClause V8_FINAL : public ZoneObject {
+class CaseClause V8_FINAL : public AstNode {
  public:
-  CaseClause(Isolate* isolate,
-             Expression* label,
-             ZoneList<Statement*>* statements,
-             int pos);
+  DECLARE_NODE_TYPE(CaseClause)
 
   bool is_default() const { return label_ == NULL; }
   Expression* label() const {
     CHECK(!is_default());
     return label_;
   }
   Label* body_target() { return &body_target_; }
   ZoneList<Statement*>* statements() const { return statements_; }
 
-  int position() const { return position_; }
-  void set_position(int pos) { position_ = pos; }
-
   BailoutId EntryId() const { return entry_id_; }
 
   // Type feedback information.
   TypeFeedbackId CompareId() { return compare_id_; }
   void RecordTypeFeedback(TypeFeedbackOracle* oracle);
   Handle<Type> compare_type() { return compare_type_; }
 
  private:
+  CaseClause(Isolate* isolate,
+             Expression* label,
+             ZoneList<Statement*>* statements,
+             int pos);
+
   Expression* label_;
   Label body_target_;
   ZoneList<Statement*>* statements_;
-  int position_;
   Handle<Type> compare_type_;
 
   const TypeFeedbackId compare_id_;
   const BailoutId entry_id_;
 };
 
 
 class SwitchStatement V8_FINAL : public BreakableStatement {
  public:
   DECLARE_NODE_TYPE(SwitchStatement)
@@ skipping 1890 matching lines @@
 
   DebuggerStatement* NewDebuggerStatement(int pos) {
     DebuggerStatement* stmt = new(zone_) DebuggerStatement(pos);
     VISIT_AND_RETURN(DebuggerStatement, stmt)
   }
 
   EmptyStatement* NewEmptyStatement(int pos) {
     return new(zone_) EmptyStatement(pos);
   }
 
+  CaseClause* NewCaseClause(
+      Expression* label, ZoneList<Statement*>* statements, int pos) {
+    CaseClause* clause =
+        new(zone_) CaseClause(isolate_, label, statements, pos);
+    VISIT_AND_RETURN(CaseClause, clause)
+  }
+
   Literal* NewLiteral(Handle<Object> handle, int pos) {
     Literal* lit = new(zone_) Literal(isolate_, handle, pos);
     VISIT_AND_RETURN(Literal, lit)
   }
 
   Literal* NewNumberLiteral(double number, int pos) {
     return NewLiteral(isolate_->factory()->NewNumber(number, TENURED), pos);
   }
 
   ObjectLiteral* NewObjectLiteral(
@@ skipping 197 matching lines @@
  private:
   Isolate* isolate_;
   Zone* zone_;
   Visitor visitor_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_