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/*
* libtib - Read, write, and evaluate TI BASIC programs
* Copyright (C) 2015-2016 Delwink, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, version 3 only.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DELWINK_TIB_EVAL_H
#define DELWINK_TIB_EVAL_H
#include <stdbool.h>
#include "tibexpr.h"
#include "tibtype.h"
bool
is_sign_operator (int c);
bool
is_math_operator (int c);
unsigned int
sign_count (const struct tib_expr *expr);
bool
contains_i (const struct tib_expr *expr);
TIB *
tib_eval (const struct tib_expr *expr);
int
tib_eval_surrounded (const struct tib_expr *expr);
bool
tib_eval_isnum (const struct tib_expr *expr);
bool
tib_eval_isstr (const struct tib_expr *expr);
bool
tib_eval_islist (const struct tib_expr *expr);
bool
tib_eval_ismatrix (const struct tib_expr *expr);
int
tib_eval_close_parens (struct tib_expr *expr);
#endif
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