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  1. /*
  2.     This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop
  3.     Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.net
  4.     Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft
  5.  
  6.     This program is free software; you can redistribute it and/or modify
  7.     it under the terms of the GNU General Public License as published by
  8.     the Free Software Foundation; either version 2 of the License, or
  9.     (at your option) any later version.
  10.  
  11.     This program is distributed in the hope that it will be useful,
  12.     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14.     GNU General Public License for more details.
  15.  
  16.     You should have received a copy of the GNU General Public License
  17.     along with this program; if not, write to the Free Software
  18.     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19. */
  20.  
  21. #ifndef NODE_H_
  22. #define NODE_H_
  23.  
  24. #include "symtab.h"
  25.  
  26. #define MAXCHILDREN 10
  27.  
  28. struct node{
  29.         int kind;
  30.         struct node *child[MAXCHILDREN],*next;
  31.                 /* next is a link, used to track allocated nodes - see global node_list */
  32.         union{
  33.                 value_type value;
  34.                 struct sym_rec *sym;
  35.                 int specialvar;
  36.         } v;
  37. };
  38.  
  39. #undef YYSTYPE
  40. #define YYSTYPE struct node *
  41.  
  42. extern struct node *node_list;
  43.  
  44. struct node *newnode(int kind);
  45. //void freenodes(struct node *p);
  46. void freeallnodes(void);
  47.  
  48. void dumptree(struct node *root,int level);
  49. value_type eval(struct node *root);
  50. void freetree(struct node*);
  51. void checkvars(struct node*p,int varflags[],int *cnv,int *srcrad/*,int *mapused*/,int *state_changing_funcs_used);
  52.  
  53. #endif
  54.