1 /* syntax.h -- Syntax definitions for the shell */
3 /* Copyright (C) 2000 Free Software Foundation, Inc.
5 This file is part of GNU Bash, the Bourne Again SHell.
7 Bash is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Bash is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License along
18 with Bash; see the file COPYING. If not, write to the Free Software
19 Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
24 /* Defines for use by mksyntax.c */
26 #define slashify_in_quotes "\\`$\"\n"
27 #define slashify_in_here_document "\\`$"
29 #define shell_meta_chars "()<>;&|"
30 #define shell_break_chars "()<>;&| \t\n"
32 #define shell_quote_chars "\"`'"
34 #if defined (PROCESS_SUBSTITUTION)
35 # define shell_exp_chars "$<>"
37 # define shell_exp_chars "$"
40 #if defined (EXTENDED_GLOB)
41 # define ext_glob_chars "@*+?!"
43 # define ext_glob_chars ""
45 #define shell_glob_chars "*?[]^"
47 /* Defines shared by mksyntax.c and the rest of the shell code. */
49 /* Values for character flags in syntax tables */
51 #define CWORD 0x0000 /* nothing special; an ordinary character */
52 #define CSHMETA 0x0001 /* shell meta character */
53 #define CSHBRK 0x0002 /* shell break character */
54 #define CBACKQ 0x0004 /* back quote */
55 #define CQUOTE 0x0008 /* shell quote character */
56 #define CSPECL 0x0010 /* special character that needs quoting */
57 #define CEXP 0x0020 /* shell expansion character */
58 #define CBSDQUOTE 0x0040 /* characters escaped by backslash in double quotes */
59 #define CBSHDOC 0x0080 /* characters escaped by backslash in here doc */
60 #define CGLOB 0x0100 /* globbing characters */
61 #define CXGLOB 0x0200 /* extended globbing characters */
62 #define CXQUOTE 0x0400 /* cquote + backslash */
63 #define CSPECVAR 0x0800 /* single-character shell variable name */
64 #define CSUBSTOP 0x1000 /* values of OP for ${word[:]OPstuff} */
66 /* Defines for use by the rest of the shell. */
67 extern int sh_syntaxtab[];
68 extern int sh_syntabsiz;
70 #define shellmeta(c) (sh_syntaxtab[(unsigned char)(c)] & CSHMETA)
71 #define shellbreak(c) (sh_syntaxtab[(unsigned char)(c)] & CSHBRK)
72 #define shellquote(c) (sh_syntaxtab[(unsigned char)(c)] & CQUOTE)
74 #define shellxquote(c) (sh_syntaxtab[(unsigned char)(c)] & CXQUOTE)
76 #define issyntype(c, t) ((sh_syntaxtab[(unsigned char)(c)] & (t)) != 0)
77 #define notsyntype(c,t) ((sh_syntaxtab[(unsigned char)(c)] & (t)) == 0)
79 #if defined (PROCESS_SUBSTITUTION)
80 # define shellexp(c) ((c) == '$' || (c) == '<' || (c) == '>')
82 # define shellexp(c) ((c) == '$')
85 #if defined (EXTENDED_GLOB)
86 # define PATTERN_CHAR(c) \
87 ((c) == '@' || (c) == '*' || (c) == '+' || (c) == '?' || (c) == '!')
89 # define PATTERN_CHAR(c) 0
92 #define GLOB_CHAR(c) \
93 ((c) == '*' || (c) == '?' || (c) == '[' || (c) == ']' || (c) == '^')
98 #if !defined (HAVE_ISBLANK) && !defined (isblank)
99 # define isblank(x) ((x) == ' ' || (x) == '\t')
102 #endif /* _SYNTAX_H_ */