mirror of https://github.com/n-hys/bash.git
107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/* syntax.h -- Syntax definitions for the shell */
|
|
|
|
/* Copyright (C) 2000, 2001, 2005, 2008, 2009-2020 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 ${word[:]OPstuff} */
|
|
#define CBLANK 0x2000 /* whitespace (blank) character */
|
|
|
|
/* Defines for use by the rest of the shell. */
|
|
extern int sh_syntaxtab[];
|
|
extern int sh_syntabsiz;
|
|
|
|
#define shellmeta(c) (sh_syntaxtab[(unsigned char)(c)] & CSHMETA)
|
|
#define shellbreak(c) (sh_syntaxtab[(unsigned char)(c)] & CSHBRK)
|
|
#define shellquote(c) (sh_syntaxtab[(unsigned char)(c)] & CQUOTE)
|
|
#define shellxquote(c) (sh_syntaxtab[(unsigned char)(c)] & CXQUOTE)
|
|
|
|
#define shellblank(c) (sh_syntaxtab[(unsigned char)(c)] & CBLANK)
|
|
|
|
#define parserblank(c) ((c) == ' ' || (c) == '\t')
|
|
|
|
#define issyntype(c, t) ((sh_syntaxtab[(unsigned char)(c)] & (t)) != 0)
|
|
#define notsyntype(c,t) ((sh_syntaxtab[(unsigned char)(c)] & (t)) == 0)
|
|
|
|
#if defined (PROCESS_SUBSTITUTION)
|
|
# define shellexp(c) ((c) == '$' || (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_ */
|