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/*
* cook - file construction tool
* Copyright (C) 1990, 1991, 1992, 1993, 1995, 1997, 2001 Peter Miller;
* All rights reserved.
*
* 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, USA.
*
* MANIFEST: interface definition for cook/expr.c
*/
#ifndef COOK_EXPR_H
#define COOK_EXPR_H
#include <ac/stddef.h>
#include <expr/position.h>
struct expr_ty; /* forward */
struct opcode_list_ty; /* existence */
struct match_ty; /* existence */
typedef struct expr_method_ty expr_method_ty;
struct expr_method_ty
{
char *name;
size_t size;
void (*destructor)_((struct expr_ty *));
int (*equal)_((const struct expr_ty *, const struct expr_ty *));
void (*code_generate)_((const struct expr_ty *,
struct opcode_list_ty *));
};
typedef struct expr_ty expr_ty;
struct expr_ty
{
expr_method_ty *method;
long e_references;
expr_position_ty e_position;
};
expr_ty *expr_copy _((expr_ty *));
void expr_delete _((expr_ty *));
int expr_eval_condition _((const expr_ty *, const struct match_ty *));
struct string_list_ty *expr_evaluate _((const expr_ty *,
const struct match_ty *));
int expr_equal _((const expr_ty *, const expr_ty *));
void expr_code_generate _((const expr_ty *, struct opcode_list_ty *));
/* PRIVATE: derived expr classes only... */
expr_ty *expr_private_new _((expr_method_ty *));
#endif /* COOK_EXPR_H */
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