From 1cb79a7245a86f563a8e54a0b47937f253636bde Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Wed, 24 Feb 2010 17:12:09 -0800
Subject: Permit chained unary operators

The operand of a unary may be yet another unary.  This is useful for
things like boolean normalization, !!x.

* parse.cxx (parser::parse_unary): Recurse the operand.
* testsuite/parseok/eleven.stp: Add chained unary operators.
---
 testsuite/parseok/eleven.stp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'testsuite')

diff --git a/testsuite/parseok/eleven.stp b/testsuite/parseok/eleven.stp
index 737a2e14..5ee0f921 100755
--- a/testsuite/parseok/eleven.stp
+++ b/testsuite/parseok/eleven.stp
@@ -53,5 +53,11 @@ probe two
   - a
 
   # grammar glitch
-  a % b ; -- a ; ++ a ; a ++ ; a --
+  a % b ; -- a ; ++ a ; a ++ ; a -- ;
+
+  # chained unary operators
+  + + a ; + - a ; + ! a ; + ~ a ;
+  - + a ; - - a ; - ! a ; - ~ a ;
+  ! + a ; ! - a ; ! ! a ; ! ~ a ;
+  ~ + a ; ~ - a ; ~ ! a ; ~ ~ a ;
 }
-- 
cgit