ccl-parse-tree.h

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/*
 * ccl-parse-tree.h -- A generic parse tree
 * 
 * This file is a part of the C Common Library (CCL) project. 
 * 
 * Copyright (C) 2010 CNRS UMR 5800 & Université Bordeaux I (see AUTHORS file).
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the AltaRica Public License that comes with this
 * package.
 * 
 * This program 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. 
 */

#ifndef __CCL_PARSE_TREE_H__
# define __CCL_PARSE_TREE_H__

# include <ccl/ccl-common.h>
# include <ccl/ccl-string.h>

BEGIN_C_DECLS

typedef union ccl_parse_tree_value_union ccl_parse_tree_value;

union ccl_parse_tree_value_union {
  int int_value;   

  double flt_value;

  char *string_value;

  ccl_ustring id_value;
};

enum ccl_parse_tree_value_type_enum {
  CCL_PARSE_TREE_INT,    

  CCL_PARSE_TREE_FLOAT, 
  CCL_PARSE_TREE_STRING,
  CCL_PARSE_TREE_IDENT,  

  CCL_PARSE_TREE_EMPTY   
};

typedef enum ccl_parse_tree_value_type_enum ccl_parse_tree_value_type;

typedef struct ccl_parse_tree_st ccl_parse_tree;

struct ccl_parse_tree_st {
  int node_type; 

  const char *node_type_string;

  ccl_parse_tree_value_type value_type; 

  ccl_parse_tree_value value;

  int line;

  const char *filename;

  ccl_parse_tree *child;

  ccl_parse_tree *next;

  ccl_parse_tree *next_in_container;
};

extern ccl_parse_tree *
ccl_parse_tree_create (int type, const char *type_string, 
                       ccl_parse_tree_value_type vtype, int line, 
                       const char *filename, ccl_parse_tree *child, 
                       ccl_parse_tree *next, ccl_parse_tree *container);

extern int
ccl_parse_tree_count_siblings (ccl_parse_tree *t);

extern void
ccl_parse_tree_delete_node (ccl_parse_tree *t);

extern void
ccl_parse_tree_delete_tree (ccl_parse_tree *t);

extern void
ccl_parse_tree_delete_container (ccl_parse_tree *t);

extern ccl_parse_tree *
ccl_parse_tree_reverse_siblings (ccl_parse_tree *t);

extern ccl_parse_tree *
ccl_parse_tree_duplicate (ccl_parse_tree *t, ccl_parse_tree **cont);

END_C_DECLS

#endif /* ! __CCL_PARSE_TREE_H__ */