95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/* syntax.h -- Syntax definitions for the shell */
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/* Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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Bash is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with Bash; see the file COPYING. If not, write to the Free Software
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Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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#ifndef _SYNTAX_H_
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#define _SYNTAX_H_
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/* Defines for use by mksyntax.c */
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#define slashify_in_quotes "\\`$\"\n"
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#define slashify_in_here_document "\\`$"
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#define shell_meta_chars "()<>;&|"
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#define shell_break_chars "()<>;&| \t\n"
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#define shell_quote_chars "\"`'"
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#if defined (PROCESS_SUBSTITUTION)
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# define shell_exp_chars "$<>"
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#else
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# define shell_exp_chars "$"
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#endif
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#if defined (EXTENDED_GLOB)
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# define ext_glob_chars "@*+?!"
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#else
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# define ext_glob_chars ""
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#endif
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#define shell_glob_chars "*?[]^"
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/* Defines shared by mksyntax.c and the rest of the shell code. */
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/* Values for character flags in syntax tables */
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#define CWORD 0x0000 /* nothing special; an ordinary character */
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#define CSHMETA 0x0001 /* shell meta character */
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#define CSHBRK 0x0002 /* shell break character */
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#define CBACKQ 0x0004 /* back quote */
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#define CQUOTE 0x0008 /* shell quote character */
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#define CSPECL 0x0010 /* special character that needs quoting */
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#define CEXP 0x0020 /* shell expansion character */
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#define CBSDQUOTE 0x0040 /* characters escaped by backslash in double quotes */
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#define CBSHDOC 0x0080 /* characters escaped by backslash in here doc */
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#define CGLOB 0x0100 /* globbing characters */
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#define CXGLOB 0x0200 /* extended globbing characters */
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#define CXQUOTE 0x0400 /* cquote + backslash */
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#define CSPECVAR 0x0800 /* single-character shell variable name */
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#define CSUBSTOP 0x1000 /* values of OP for ${word[:]OPstuff} */
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/* Defines for use by the rest of the shell. */
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extern const int sh_syntaxtab[];
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#define shellmeta(c) (sh_syntaxtab[(unsigned char)(c)] & CSHMETA)
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#define shellbreak(c) (sh_syntaxtab[(unsigned char)(c)] & CSHBRK)
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#define shellquote(c) (sh_syntaxtab[(unsigned char)(c)] & CQUOTE)
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#define issyntype(c, t) ((sh_syntaxtab[(unsigned char)(c)] & (t)) != 0)
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#define notsyntype(c,t) ((sh_syntaxtab[(unsigned char)(c)] & (t)) == 0)
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#if defined (PROCESS_SUBSTITUTION)
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# define shellexp(c) ((c) == '$' || (c) == '<' || (c) == '>')
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#else
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# define shellexp(c) ((c) == '$')
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#endif
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#if defined (EXTENDED_GLOB)
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# define PATTERN_CHAR(c) \
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((c) == '@' || (c) == '*' || (c) == '+' || (c) == '?' || (c) == '!')
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#else
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# define PATTERN_CHAR(c) 0
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#endif
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#define GLOB_CHAR(c) \
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((c) == '*' || (c) == '?' || (c) == '[' || (c) == ']' || (c) == '^')
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#define CTLESC '\001'
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#define CTLNUL '\177'
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#endif /* _SYNTAX_H_ */
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