expr_extra.h

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/*************************************************************************
 *
 *  Copyright (c) 2023 Rajit Manohar
 *
 *  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., 51 Franklin Street, Fifth Floor,
 *  Boston, MA  02110-1301, USA.
 *
 **************************************************************************
 */
#ifndef __ACT_EXPR_EXTRA_H__
#define __ACT_EXPR_EXTRA_H__
 
/*-- more options for expanded expressions --*/
 
#define E_TYPE  (E_END + 10)  
 
#define E_ARRAY (E_END + 11) 
 
#define E_SUBRANGE (E_END + 12) 
 
#define E_SELF (E_END + 20)     
#define E_SELF_ACK (E_END + 19) 
 
/* 
   For loops:
      e->l->l = id, e->r->l = lo, e->r->r->l = hi, e->r->r->r = expr
      WARNING: replicated in expr_extra.c
*/
#define E_ANDLOOP (E_END + 21)        
      
#define E_ORLOOP (E_END + 22)         
 
#define E_BUILTIN_BOOL (E_END + 23)   
#define E_BUILTIN_INT  (E_END + 24)   
 
/*
  ENUM_CONST during parsing only used for
     ::foo::bar::baz.N  
     u.fn.s field == string to enum
     u.fn.r field = string for N
     
  After the "walk" re-writing, this is used as:
     u.fn.s = enum type pointer (Data *)
     u.fn.r field = string corresponding to enum element
 
 After type-checking, this is eliminated and replaced with an 
 int const.
*/
#define E_ENUM_CONST   (E_END + 25)  
 
 
#define E_NEWEND  E_END + 26         
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * Parsing functions for external function extras
 */
Expr *act_parse_expr_syn_loop_bool (LFILE *l);
Expr *act_parse_expr_intexpr_base (LFILE *l);
Expr *act_expr_any_basecase (LFILE *l);
int act_expr_parse_newtokens (LFILE *l);
int act_expr_free_default (Expr *);  
 
#ifdef __cplusplus
}
#endif
 
#endif /* __ACT_EXPR_EXTRA_H__ */