Imported from ../bash-4.0-rc1.tar.gz.

[thirdparty/bash.git] / parser.h

diff --git a/parser.h b/parser.h
index 626651cc4b1769bdb8fd09bf0ca583a8a815d647..3c47dc96f0e226b344bbf7688f9d9a961230be6b 100644 (file)
--- a/parser.h
+++ b/parser.h
@@ -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 +25,27 @@
 #  include "command.h"
 #  include "input.h"
 
+/* Possible states for the parser that require it to do special things. */
+#define PST_CASEPAT    0x00001         /* in a case pattern list */
+#define PST_ALEXPNEXT  0x00002         /* expand next word for aliases */
+#define PST_ALLOWOPNBRC        0x00004         /* allow open brace for function def */
+#define PST_NEEDCLOSBRC        0x00008         /* need close brace */
+#define PST_DBLPAREN   0x00010         /* double-paren parsing */
+#define PST_SUBSHELL   0x00020         /* ( ... ) subshell */
+#define PST_CMDSUBST   0x00040         /* $( ... ) command substitution */
+#define PST_CASESTMT   0x00080         /* parsing a case statement */
+#define PST_CONDCMD    0x00100         /* parsing a [[...]] command */
+#define PST_CONDEXPR   0x00200         /* parsing the guts of [[...]] */
+#define PST_ARITHFOR   0x00400         /* parsing an arithmetic for command */
+#define PST_ALEXPAND   0x00800         /* OK to expand aliases - unused */
+#define PST_CMDTOKEN   0x01000         /* command token OK - unused */
+#define PST_COMPASSIGN 0x02000         /* parsing x=(...) compound assignment */
+#define PST_ASSIGNOK   0x04000         /* assignment statement ok in this context */
+#define PST_EOFTOKEN   0x08000         /* yylex checks against shell_eof_token */
+#define PST_REGEXP     0x10000         /* parsing an ERE/BRE as a single word */
+#define PST_HEREDOC    0x20000         /* reading body of here-document */
+#define PST_REPARSE    0x40000         /* re-parsing in parse_string_to_word_list */
+
 /* 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