From 01c27dc96aedcf2e1a4421685ec654613e137440 Mon Sep 17 00:00:00 2001
From: Vidar Holen <spam@vidarholen.net>
Date: Wed, 2 Sep 2015 19:31:22 -0700
Subject: [PATCH] Parse double arithmetic negation, i.e. (( !!a ));
---
ShellCheck/Parser.hs | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/ShellCheck/Parser.hs b/ShellCheck/Parser.hs
index f06a51e..dd5d77e 100644
--- a/ShellCheck/Parser.hs
+++ b/ShellCheck/Parser.hs
@@ -555,6 +555,7 @@ prop_a18= isOk readArithmeticContents "a?b:c"
prop_a19= isOk readArithmeticContents "\\\n3 +\\\n 2"
prop_a20= isOk readArithmeticContents "a ? b ? c : d : e"
prop_a21= isOk readArithmeticContents "a ? b : c ? d : e"
+prop_a22= isOk readArithmeticContents "!!a"
readArithmeticContents =
readSequence
where
@@ -650,7 +651,7 @@ readArithmeticContents =
id <- getNextId
op <- oneOf "!~"
spacing
- x <- readAnySigned
+ x <- readAnyNegated
return $ TA_Unary id [op] x
readAnySigned = readSigned <|> readAnycremented