commit bash-20080501 snapshot

parser.h

@@ -25,6 +25,25 @@
 #  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 */
+
 /* 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