From 5966ab2ca2632c5bed9815def1add4859beececa Mon Sep 17 00:00:00 2001
From: Toby Goodwin <toby@paccrat.org>
Date: Fri, 9 Feb 2018 06:34:34 +0000
Subject: wip

---
 parse.y | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index 276961a..33d723a 100644
--- a/parse.y
+++ b/parse.y
@@ -13,7 +13,7 @@ static Node *star, *nolist;
 Node *parsetree;	/* not using yylval because bison declares it as an auto */
 %}
 
-%token ANDAND BACKBACK BANG CASE COUNT DUP ELSE END FLAT FN FOR IF IN
+%token ANDAND BACKBACK BANG CASE COUNT DUP ELSE END FLAT FN FOR IF IN NOT
 %token OROR PIPE REDIR SREDIR SUB SUBSHELL SWITCH TWIDDLE WHILE WORD HUH
 
 %left '^' '='
@@ -103,6 +103,7 @@ cmd	: /* empty */	%prec WHILE		{ $$ = NULL; }
 	| simple
 	| brace epilog				{ $$ = mk(nBrace,$1,$2); }
 	| IF paren optnl iftail			{ $$ = mk(nIf,$2,$4); }
+	| IF NOT optnl cmd			{ $$ = mk(nIfnot,$4); }
 	| FOR '(' word IN words ')' optnl cmd	{ $$ = mk(nForin,$3,$5,$8); }
 	| FOR '(' word ')' optnl cmd		{ $$ = mk(nForin,$3,star,$6); }
 	| WHILE paren optnl cmd			{ $$ = mk(nWhile,$2,$4); }
@@ -155,6 +156,7 @@ keyword	: FOR		{ $$ = "for"; }
 	| IN		{ $$ = "in"; }
 	| WHILE		{ $$ = "while"; }
 	| IF		{ $$ = "if"; }
+	| NOT		{ $$ = "not"; }
 	| SWITCH	{ $$ = "switch"; }
 	| FN		{ $$ = "fn"; }
 	| ELSE		{ $$ = "else"; }
-- 
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