.. _program_listing_file_src_VALfiles_parsing_macros.h:

Program Listing for File macros.h
=================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_VALfiles_parsing_macros.h>` (``src/VALfiles/parsing/macros.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /************************************************************************
    * Copyright 2008, Strathclyde Planning Group,
    * Department of Computer and Information Sciences,
    * University of Strathclyde, Glasgow, UK
    * http://planning.cis.strath.ac.uk/
    *
    * Maria Fox, Richard Howey and Derek Long - VAL
    * Stephen Cresswell - PDDL Parser
    *
    * This file is part of VAL, the PDDL validator.
    *
    * VAL is free software: you can redistribute it and/or modify
    * it under the terms of the GNU General Public License as published by
    * the Free Software Foundation, either version 2 of the License, or
    * (at your option) any later version.
    *
    * VAL is distributed in the hope that it will be useful,
    * but WITHOUT ANY WARRANTY; without even the implied warranty of
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    * GNU General Public License for more details.
    *
    * You should have received a copy of the GNU General Public License
    * along with VAL.  If not, see <http://www.gnu.org/licenses/>.
    *
    ************************************************************************/
   
   /* ----------------------------------------------------------------------------
      Macros for diagnostic output.
      These generate code to output both name and value of a field,
      and to deal with pretty-printing indentation in a consistent way.
   
      Edit this file to change the output format of the syntax trees.
   
      $Date: 2010-06-16 16:50:48 $
      $Revision: 1.1 $
   
      stephen.cresswell@cis.strath.ac.uk
     
      Strathclyde Planning Group
      --------------------------------------------------------------------------*/
   
   // #  expands arg into quoted string
   // ## concatenates arg
   
   // Output NAME - used for name of class
   #define TITLE(NAME) indent(ind); cout << '(' << #NAME << ')';
   
   // Display a data member that is a parse_category
   #define FIELD(NAME) indent(ind); cout << #NAME << ": "; if (NAME != NULL) NAME->display(ind+1); else cout << "(NULL)";  
   
   // Used for display of list element
   #define ELT(NAME) { if ((NAME) != NULL) (NAME)->display(ind+1); else cout << "(NULL)"; }
   
   // Display NAME only
   #define LABEL(NAME) indent(ind); cout << #NAME << ':'; 
   
   // Output a data member that is not a parse_category
   #define LEAF(NAME) indent(ind); cout << #NAME << ": "; cout << NAME;
   
   
   extern void indent(int ind);