eval_trans_expr.c

Gambas is a graphical development environment based on a Basic interpreter, like Visual Basic. It us

/***************************************************************************

  eval_trans_expr.c

  Expression compiler

  (c) 2000-2003 Beno顃 Minisini <[e-mail]>

  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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.

***************************************************************************/

#define __EVAL_TRANS_EXPR_C

#define PROJECT_EXEC

#include "gb_common.h"
#include <ctype.h>

#include "gb_error.h"
#include "gb_reserved.h"

#include "gb_code.h"
#include "eval_trans.h"
#include "eval.h"

/*#define DEBUG*/

static long subr_array_index = -1;

PRIVATE short get_nparam(PATTERN *tree, int *index)
{
  PATTERN pattern;

  if (*index < (ARRAY_count(tree) - 1))
  {
    pattern = tree[*index + 1];
    if (PATTERN_is_param(pattern))
    {
      (*index)++;
      return (short)PATTERN_index(pattern);
    }
  }

  /*
     G鑢e le cas o