1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* $NetBSD: syntax.h,v 1.2 2004/01/17 17:38:12 dsl Exp $ */ 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/*- 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copyright (c) 1991, 1993 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * The Regents of the University of California. All rights reserved. 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * This code is derived from software contributed to Berkeley by 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Kenneth Almquist. 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Redistribution and use in source and binary forms, with or without 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * modification, are permitted provided that the following conditions 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * are met: 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer. 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * documentation and/or other materials provided with the distribution. 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 3. Neither the name of the University nor the names of its contributors 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * may be used to endorse or promote products derived from this software 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * without specific prior written permission. 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * SUCH DAMAGE. 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/cdefs.h> 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <ctype.h> 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* Syntax classes */ 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CWORD 0 /* character is nothing special */ 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CNL 1 /* newline character */ 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CBACK 2 /* a backslash character */ 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CSQUOTE 3 /* single quote */ 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CDQUOTE 4 /* double quote */ 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CBQUOTE 5 /* backwards single quote */ 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CVAR 6 /* a dollar sign */ 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CENDVAR 7 /* a '}' character */ 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CLP 8 /* a left paren in arithmetic */ 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CRP 9 /* a right paren in arithmetic */ 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CEOF 10 /* end of file */ 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CCTL 11 /* like CWORD, except it must be escaped */ 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CSPCL 12 /* these terminate a word */ 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* Syntax classes for is_ functions */ 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define ISDIGIT 01 /* a digit */ 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define ISUPPER 02 /* an upper case letter */ 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define ISLOWER 04 /* a lower case letter */ 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define ISUNDER 010 /* an underscore */ 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define ISSPECL 020 /* the name of a special parameter */ 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define PEOF (CHAR_MIN - 1) 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define SYNBASE (-PEOF) 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* XXX UPEOF is CHAR_MAX, so is a valid 'char' value... */ 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define UPEOF ((char)PEOF) 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define BASESYNTAX (basesyntax + SYNBASE) 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DQSYNTAX (dqsyntax + SYNBASE) 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define SQSYNTAX (sqsyntax + SYNBASE) 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define ARISYNTAX (arisyntax + SYNBASE) 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* These defines assume that the digits are contiguous */ 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define is_digit(c) ((unsigned)((c) - '0') <= 9) 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define is_alpha(c) (((char)(c)) != UPEOF && ((c) < CTL_FIRST || (c) > CTL_LAST) && isalpha((unsigned char)(c))) 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define is_name(c) (((char)(c)) != UPEOF && ((c) < CTL_FIRST || (c) > CTL_LAST) && ((c) == '_' || isalpha((unsigned char)(c)))) 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define is_in_name(c) (((char)(c)) != UPEOF && ((c) < CTL_FIRST || (c) > CTL_LAST) && ((c) == '_' || isalnum((unsigned char)(c)))) 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define is_special(c) ((is_type+SYNBASE)[c] & (ISSPECL|ISDIGIT)) 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define digit_val(c) ((c) - '0') 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern const char basesyntax[]; 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern const char dqsyntax[]; 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern const char sqsyntax[]; 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern const char arisyntax[]; 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern const char is_type[]; 84