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/* The IGEN simulator generator for GDB, the GNU Debugger.

   Copyright 2002 Free Software Foundation, Inc.

   Contributed by Andrew Cagney.

   This file is part of GDB.

   This program 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.

   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.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 59 Temple Place - Suite 330,

   Boston, MA 02111-1307, USA.  */

#include "misc.h"

#include "lf.h"

#include "table.h"

#include "filter.h"

#include "igen.h"

#include "ld-insn.h"

#include "ld-cache.h"

#ifndef NULL

#define NULL 0

#endif

enum

{

  ca_type,

  ca_field_name,

  ca_derived_name,

  ca_type_def,

  ca_expression,

  nr_cache_rule_fields,

};

static const name_map cache_type_map[] = {

  {"cache", cache_value},

  {"compute", compute_value},

  {"scratch", scratch_value},

  {NULL, 0},

};

cache_entry *

load_cache_table (char *file_name)

{

  cache_entry *cache = NULL;

  cache_entry **last = &cache;

  table *file = table_open (file_name);

  table_entry *entry;

  while ((entry = table_read (file)) != NULL)

    {

      cache_entry *new_rule = ZALLOC (cache_entry);

      new_rule->line = entry->line;

      new_rule->entry_type = name2i (entry->field[ca_type], cache_type_map);

      new_rule->name = entry->field[ca_derived_name];

      filter_parse (&new_rule->original_fields, entry->field[ca_field_name]);

      new_rule->type = entry->field[ca_type_def];

      /* expression is the concatenation of the remaining fields */

      if (entry->nr_fields > ca_expression)

        {

          int len = 0;

          int chi;

          for (chi = ca_expression; chi < entry->nr_fields; chi++)

            {

              len += strlen (" : ") + strlen (entry->field[chi]);

            }

          new_rule->expression = NZALLOC (char, len);

          strcpy (new_rule->expression, entry->field[ca_expression]);

          for (chi = ca_expression + 1; chi < entry->nr_fields; chi++)

            {

              strcat (new_rule->expression, " : ");

              strcat (new_rule->expression, entry->field[chi]);

            }

        }

      /* insert it */

      *last = new_rule;

      last = &new_rule->next;

    }

  return cache;

}

#ifdef MAIN

igen_options options;

int

main (int argc, char **argv)

{

  cache_entry *rules = NULL;

  lf *l;

  if (argc != 2)

    error (NULL, "Usage: cache <cache-file>\n");

  rules = load_cache_table (argv[1]);

  l = lf_open ("-", "stdout", lf_omit_references, lf_is_text, "tmp-ld-insn");

  dump_cache_entries (l, "(", rules, ")\n");

  return 0;

}

#endif