| /* syntax.h -- Syntax definitions for the shell */ |
| |
| /* Copyright (C) 2000, 2001, 2005, 2008,2009 Free Software Foundation, Inc. |
| |
| This file is part of GNU Bash, the Bourne Again SHell. |
| |
| Bash is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation, either version 3 of the License, or |
| (at your option) any later version. |
| |
| Bash 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with Bash. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef _SYNTAX_H_ |
| #define _SYNTAX_H_ |
| |
| /* Defines for use by mksyntax.c */ |
| |
| #define slashify_in_quotes "\\`$\"\n" |
| #define slashify_in_here_document "\\`$" |
| |
| #define shell_meta_chars "()<>;&|" |
| #define shell_break_chars "()<>;&| \t\n" |
| |
| #define shell_quote_chars "\"`'" |
| |
| #if defined (PROCESS_SUBSTITUTION) |
| # define shell_exp_chars "$<>" |
| #else |
| # define shell_exp_chars "$" |
| #endif |
| |
| #if defined (EXTENDED_GLOB) |
| # define ext_glob_chars "@*+?!" |
| #else |
| # define ext_glob_chars "" |
| #endif |
| #define shell_glob_chars "*?[]^" |
| |
| /* Defines shared by mksyntax.c and the rest of the shell code. */ |
| |
| /* Values for character flags in syntax tables */ |
| |
| #define CWORD 0x0000 /* nothing special; an ordinary character */ |
| #define CSHMETA 0x0001 /* shell meta character */ |
| #define CSHBRK 0x0002 /* shell break character */ |
| #define CBACKQ 0x0004 /* back quote */ |
| #define CQUOTE 0x0008 /* shell quote character */ |
| #define CSPECL 0x0010 /* special character that needs quoting */ |
| #define CEXP 0x0020 /* shell expansion character */ |
| #define CBSDQUOTE 0x0040 /* characters escaped by backslash in double quotes */ |
| #define CBSHDOC 0x0080 /* characters escaped by backslash in here doc */ |
| #define CGLOB 0x0100 /* globbing characters */ |
| #define CXGLOB 0x0200 /* extended globbing characters */ |
| #define CXQUOTE 0x0400 /* cquote + backslash */ |
| #define CSPECVAR 0x0800 /* single-character shell variable name */ |
| #define CSUBSTOP 0x1000 /* values of OP for ${word[:]OPstuff} */ |
| #define CBLANK 0x2000 /* whitespace (blank) character */ |
| |
| /* Defines for use by the rest of the shell. */ |
| extern int sh_syntaxtab[]; |
| extern int sh_syntabsiz; |
| |
| #define shellmeta(c) (sh_syntaxtab[(unsigned char)(c)] & CSHMETA) |
| #define shellbreak(c) (sh_syntaxtab[(unsigned char)(c)] & CSHBRK) |
| #define shellquote(c) (sh_syntaxtab[(unsigned char)(c)] & CQUOTE) |
| #define shellxquote(c) (sh_syntaxtab[(unsigned char)(c)] & CXQUOTE) |
| |
| #define shellblank(c) (sh_syntaxtab[(unsigned char)(c)] & CBLANK) |
| |
| #define issyntype(c, t) ((sh_syntaxtab[(unsigned char)(c)] & (t)) != 0) |
| #define notsyntype(c,t) ((sh_syntaxtab[(unsigned char)(c)] & (t)) == 0) |
| |
| #if defined (PROCESS_SUBSTITUTION) |
| # define shellexp(c) ((c) == '$' || (c) == '<' || (c) == '>') |
| #else |
| # define shellexp(c) ((c) == '$') |
| #endif |
| |
| #if defined (EXTENDED_GLOB) |
| # define PATTERN_CHAR(c) \ |
| ((c) == '@' || (c) == '*' || (c) == '+' || (c) == '?' || (c) == '!') |
| #else |
| # define PATTERN_CHAR(c) 0 |
| #endif |
| |
| #define GLOB_CHAR(c) \ |
| ((c) == '*' || (c) == '?' || (c) == '[' || (c) == ']' || (c) == '^') |
| |
| #define CTLESC '\001' |
| #define CTLNUL '\177' |
| |
| #if !defined (HAVE_ISBLANK) && !defined (isblank) |
| # define isblank(x) ((x) == ' ' || (x) == '\t') |
| #endif |
| |
| #endif /* _SYNTAX_H_ */ |