symbol.h

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#ifndef __SYMBOL_H__
#define __SYMBOL_H__

/*
 * "Copyright (c) 2014 by Fritz Sieker."
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without written
 * agreement is hereby granted, provided that the above copyright notice
 * and the following two paragraphs appear in all copies of this software.
 *
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT,
 * INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE AUTHOR
 * HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"
 * BASIS, AND THE AUTHOR NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT,
 * UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
 */

#define SYMBOL_SIZE 997  
typedef struct sym_table sym_table_t;

typedef struct symbol {
    char* name; 
    int   addr; 
} symbol_t;

sym_table_t* symbol_init (int lookup_by_addr);

void symbol_term(sym_table_t* symTab);

void symbol_reset (sym_table_t* symTab);

int symbol_add (sym_table_t* symTab, const char* name, int addr);

struct node* symbol_search (sym_table_t* symTab, const char* name, int* hash, int* index);

symbol_t* symbol_find_by_name (sym_table_t* symTab, const char* name);

char* symbol_find_by_addr (sym_table_t* symTab, int addr);

typedef void (*iterate_fnc_t)(symbol_t* sym, void* data);

void symbol_iterate (sym_table_t* symTab, iterate_fnc_t fnc, void* data);

#endif /* __SYMBOL_H__ */