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28ef6c31 JA |
1 | /* syntax.h -- Syntax definitions for the shell */ |
2 | ||
3185942a | 3 | /* Copyright (C) 2000, 2001, 2005, 2008,2009 Free Software Foundation, Inc. |
28ef6c31 JA |
4 | |
5 | This file is part of GNU Bash, the Bourne Again SHell. | |
6 | ||
3185942a JA |
7 | Bash is free software: you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation, either version 3 of the License, or | |
10 | (at your option) any later version. | |
28ef6c31 | 11 | |
3185942a JA |
12 | Bash is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
28ef6c31 | 16 | |
3185942a JA |
17 | You should have received a copy of the GNU General Public License |
18 | along with Bash. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
28ef6c31 JA |
20 | |
21 | #ifndef _SYNTAX_H_ | |
22 | #define _SYNTAX_H_ | |
23 | ||
24 | /* Defines for use by mksyntax.c */ | |
25 | ||
26 | #define slashify_in_quotes "\\`$\"\n" | |
27 | #define slashify_in_here_document "\\`$" | |
28 | ||
29 | #define shell_meta_chars "()<>;&|" | |
30 | #define shell_break_chars "()<>;&| \t\n" | |
31 | ||
32 | #define shell_quote_chars "\"`'" | |
33 | ||
34 | #if defined (PROCESS_SUBSTITUTION) | |
35 | # define shell_exp_chars "$<>" | |
36 | #else | |
37 | # define shell_exp_chars "$" | |
38 | #endif | |
39 | ||
40 | #if defined (EXTENDED_GLOB) | |
41 | # define ext_glob_chars "@*+?!" | |
42 | #else | |
43 | # define ext_glob_chars "" | |
44 | #endif | |
45 | #define shell_glob_chars "*?[]^" | |
46 | ||
47 | /* Defines shared by mksyntax.c and the rest of the shell code. */ | |
48 | ||
49 | /* Values for character flags in syntax tables */ | |
50 | ||
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 */ | |
7117c2d2 | 64 | #define CSUBSTOP 0x1000 /* values of OP for ${word[:]OPstuff} */ |
0628567a | 65 | #define CBLANK 0x2000 /* whitespace (blank) character */ |
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66 | |
67 | /* Defines for use by the rest of the shell. */ | |
b80f6443 JA |
68 | extern int sh_syntaxtab[]; |
69 | extern int sh_syntabsiz; | |
28ef6c31 | 70 | |
7117c2d2 JA |
71 | #define shellmeta(c) (sh_syntaxtab[(unsigned char)(c)] & CSHMETA) |
72 | #define shellbreak(c) (sh_syntaxtab[(unsigned char)(c)] & CSHBRK) | |
73 | #define shellquote(c) (sh_syntaxtab[(unsigned char)(c)] & CQUOTE) | |
b80f6443 JA |
74 | #define shellxquote(c) (sh_syntaxtab[(unsigned char)(c)] & CXQUOTE) |
75 | ||
0628567a JA |
76 | #define shellblank(c) (sh_syntaxtab[(unsigned char)(c)] & CBLANK) |
77 | ||
a0c0a00f CR |
78 | #define parserblank(c) ((c) == ' ' || (c) == '\t') |
79 | ||
7117c2d2 JA |
80 | #define issyntype(c, t) ((sh_syntaxtab[(unsigned char)(c)] & (t)) != 0) |
81 | #define notsyntype(c,t) ((sh_syntaxtab[(unsigned char)(c)] & (t)) == 0) | |
28ef6c31 JA |
82 | |
83 | #if defined (PROCESS_SUBSTITUTION) | |
84 | # define shellexp(c) ((c) == '$' || (c) == '<' || (c) == '>') | |
85 | #else | |
86 | # define shellexp(c) ((c) == '$') | |
87 | #endif | |
88 | ||
89 | #if defined (EXTENDED_GLOB) | |
90 | # define PATTERN_CHAR(c) \ | |
91 | ((c) == '@' || (c) == '*' || (c) == '+' || (c) == '?' || (c) == '!') | |
92 | #else | |
93 | # define PATTERN_CHAR(c) 0 | |
94 | #endif | |
95 | ||
96 | #define GLOB_CHAR(c) \ | |
97 | ((c) == '*' || (c) == '?' || (c) == '[' || (c) == ']' || (c) == '^') | |
98 | ||
99 | #define CTLESC '\001' | |
100 | #define CTLNUL '\177' | |
101 | ||
b80f6443 JA |
102 | #if !defined (HAVE_ISBLANK) && !defined (isblank) |
103 | # define isblank(x) ((x) == ' ' || (x) == '\t') | |
104 | #endif | |
105 | ||
28ef6c31 | 106 | #endif /* _SYNTAX_H_ */ |