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/* $NetBSD: arith_tokens.h,v 1.3 2017/07/24 13:21:14 kre Exp $ */
/*-
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
* Copyright (c) 2007
* Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Kenneth Almquist.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* From FreeBSD who obtained it from dash (modified both times.)
*/
/*
* Tokens returned from arith_token()
*
* Caution, values are not arbitrary.
*/
#define ARITH_BAD 0
#define ARITH_ASS 1
#define ARITH_OR 2
#define ARITH_AND 3
#define ARITH_NUM 5
#define ARITH_VAR 6
#define ARITH_NOT 7
#define ARITH_BINOP_MIN 8
#define ARITH_LE 8
#define ARITH_GE 9
#define ARITH_LT 10
#define ARITH_GT 11
#define ARITH_EQ 12 /* Must be ARITH_ASS + ARITH_ASS_GAP */
#define ARITH_ASS_BASE 13
#define ARITH_REM 13
#define ARITH_BAND 14
#define ARITH_LSHIFT 15
#define ARITH_RSHIFT 16
#define ARITH_MUL 17
#define ARITH_ADD 18
#define ARITH_BOR 19
#define ARITH_SUB 20
#define ARITH_BXOR 21
#define ARITH_DIV 22
#define ARITH_NE 23
#define ARITH_BINOP_MAX 24
#define ARITH_ASS_MIN ARITH_BINOP_MAX
#define ARITH_ASS_GAP (ARITH_ASS_MIN - ARITH_ASS_BASE)
#define ARITH_REMASS (ARITH_ASS_GAP + ARITH_REM)
#define ARITH_BANDASS (ARITH_ASS_GAP + ARITH_BAND)
#define ARITH_LSHIFTASS (ARITH_ASS_GAP + ARITH_LSHIFT)
#define ARITH_RSHIFTASS (ARITH_ASS_GAP + ARITH_RSHIFT)
#define ARITH_MULASS (ARITH_ASS_GAP + ARITH_MUL)
#define ARITH_ADDASS (ARITH_ASS_GAP + ARITH_ADD)
#define ARITH_BORASS (ARITH_ASS_GAP + ARITH_BOR)
#define ARITH_SUBASS (ARITH_ASS_GAP + ARITH_SUB)
#define ARITH_BXORASS (ARITH_ASS_GAP + ARITH_BXOR)
#define ARITH_DIVASS (ARITH_ASS_GAP + ARITH_BXOR)
#define ARITH_ASS_MAX 34
#define ARITH_LPAREN 34
#define ARITH_RPAREN 35
#define ARITH_BNOT 36
#define ARITH_QMARK 37
#define ARITH_COLON 38
#define ARITH_INCR 39
#define ARITH_DECR 40
#define ARITH_COMMA 41
/*
* Globals shared between arith parser, and lexer
*/
extern const char *arith_buf;
union a_token_val {
intmax_t val;
char *name;
};
extern union a_token_val a_t_val;
extern int arith_lno, arith_var_lno;
int arith_token(void);
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