116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/* $NetBSD: arith_tokens.h,v 1.1 2017/03/20 11:26:07 kre Exp $ */
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/*-
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 2007
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* Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Kenneth Almquist.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* From FreeBSD who obtained it from dash (modified both times.)
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*/
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/*
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* Tokens returned from arith_token()
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*
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* Caution, values are not arbitrary.
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*/
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#define ARITH_BAD 0
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#define ARITH_ASS 1
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#define ARITH_OR 2
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#define ARITH_AND 3
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#define ARITH_NUM 5
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#define ARITH_VAR 6
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#define ARITH_NOT 7
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#define ARITH_BINOP_MIN 8
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#define ARITH_LE 8
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#define ARITH_GE 9
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#define ARITH_LT 10
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#define ARITH_GT 11
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#define ARITH_EQ 12 /* Must be ARITH_ASS + ARITH_ASS_GAP */
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#define ARITH_ASS_BASE 13
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#define ARITH_REM 13
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#define ARITH_BAND 14
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#define ARITH_LSHIFT 15
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#define ARITH_RSHIFT 16
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#define ARITH_MUL 17
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#define ARITH_ADD 18
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#define ARITH_BOR 19
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#define ARITH_SUB 20
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#define ARITH_BXOR 21
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#define ARITH_DIV 22
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#define ARITH_NE 23
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#define ARITH_BINOP_MAX 24
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#define ARITH_ASS_MIN ARITH_BINOP_MAX
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#define ARITH_ASS_GAP (ARITH_ASS_MIN - ARITH_ASS_BASE)
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#define ARITH_REMASS (ARITH_ASS_GAP + ARITH_REM)
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#define ARITH_BANDASS (ARITH_ASS_GAP + ARITH_BAND)
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#define ARITH_LSHIFTASS (ARITH_ASS_GAP + ARITH_LSHIFT)
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#define ARITH_RSHIFTASS (ARITH_ASS_GAP + ARITH_RSHIFT)
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#define ARITH_MULASS (ARITH_ASS_GAP + ARITH_MUL)
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#define ARITH_ADDASS (ARITH_ASS_GAP + ARITH_ADD)
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#define ARITH_BORASS (ARITH_ASS_GAP + ARITH_BOR)
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#define ARITH_SUBASS (ARITH_ASS_GAP + ARITH_SUB)
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#define ARITH_BXORASS (ARITH_ASS_GAP + ARITH_BXOR)
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#define ARITH_DIVASS (ARITH_ASS_GAP + ARITH_BXOR)
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#define ARITH_ASS_MAX 34
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#define ARITH_LPAREN 34
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#define ARITH_RPAREN 35
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#define ARITH_BNOT 36
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#define ARITH_QMARK 37
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#define ARITH_COLON 38
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/*
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* Globals shared between arith parser, and lexer
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*/
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extern const char *arith_buf;
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union a_token_val {
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intmax_t val;
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char *name;
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};
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extern union a_token_val a_t_val;
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int arith_token(void);
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