From 5b57d28ffb6e1ef86b50f7d05d977826eae89bfe Mon Sep 17 00:00:00 2001 From: Kiyoshi Aman Date: Fri, 1 Feb 2019 22:55:37 +0000 Subject: initial population --- bin/sh/arith_tokens.h | 120 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 bin/sh/arith_tokens.h (limited to 'bin/sh/arith_tokens.h') diff --git a/bin/sh/arith_tokens.h b/bin/sh/arith_tokens.h new file mode 100644 index 0000000..f655aa9 --- /dev/null +++ b/bin/sh/arith_tokens.h @@ -0,0 +1,120 @@ +/* $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 . 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); -- cgit v1.2.3-70-g09d2