diff options
Diffstat (limited to 'parser.h')
| -rw-r--r-- | parser.h | 47 |
1 files changed, 35 insertions, 12 deletions
@@ -1,23 +1,23 @@ /* parser.h -- Everything you wanted to know about the parser, but were afraid to ask. */ -/* Copyright (C) 1995 Free Software Foundation, Inc. +/* Copyright (C) 1995, 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 2, or (at your option) any later - version. + 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. + 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; see the file COPYING. If not, write to the Free Software - Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ + You should have received a copy of the GNU General Public License + along with Bash. If not, see <http://www.gnu.org/licenses/>. +*/ #if !defined (_PARSER_H_) # define _PARSER_H_ @@ -25,6 +25,29 @@ # include "command.h" # include "input.h" +/* Possible states for the parser that require it to do special things. */ +#define PST_CASEPAT 0x000001 /* in a case pattern list */ +#define PST_ALEXPNEXT 0x000002 /* expand next word for aliases */ +#define PST_ALLOWOPNBRC 0x000004 /* allow open brace for function def */ +#define PST_NEEDCLOSBRC 0x000008 /* need close brace */ +#define PST_DBLPAREN 0x000010 /* double-paren parsing */ +#define PST_SUBSHELL 0x000020 /* ( ... ) subshell */ +#define PST_CMDSUBST 0x000040 /* $( ... ) command substitution */ +#define PST_CASESTMT 0x000080 /* parsing a case statement */ +#define PST_CONDCMD 0x000100 /* parsing a [[...]] command */ +#define PST_CONDEXPR 0x000200 /* parsing the guts of [[...]] */ +#define PST_ARITHFOR 0x000400 /* parsing an arithmetic for command */ +#define PST_ALEXPAND 0x000800 /* OK to expand aliases - unused */ +#define PST_EXTPAT 0x001000 /* parsing an extended shell pattern */ +#define PST_COMPASSIGN 0x002000 /* parsing x=(...) compound assignment */ +#define PST_ASSIGNOK 0x004000 /* assignment statement ok in this context */ +#define PST_EOFTOKEN 0x008000 /* yylex checks against shell_eof_token */ +#define PST_REGEXP 0x010000 /* parsing an ERE/BRE as a single word */ +#define PST_HEREDOC 0x020000 /* reading body of here-document */ +#define PST_REPARSE 0x040000 /* re-parsing in parse_string_to_word_list */ +#define PST_REDIRLIST 0x080000 /* parsing a list of redirctions preceding a simple command name */ + + /* Definition of the delimiter stack. Needed by parse.y and bashhist.c. */ struct dstack { /* DELIMITERS is a stack of the nested delimiters that we have |