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Date: Sun, 12 Jul 2015 18:13:18 +0900 (JST)
From: ryosuke_i_628@yahoo.co.jp
Reply-To: ryosuke_i_628@yahoo.co.jp
Subject: Parser bugs: "local a=()"
To: "zsh-workers@zsh.org" <zsh-workers@zsh.org>
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--Summary--=0A=0AZsh parser recognize "local a=3D()" as a local function na=
med "a=3D".=0ASometimes that causes segmentation fault.=0A=0A(in Japanese)=
=0Ahttp://qiita.com/mpyw/items/e9e4c3b872b30c7024ee=0A=0A--Version--=0A=0Az=
sh 5.0.8 (x86_64-apple-darwin14.3.0)=0A=0A--Reproduction--=0A=0A[funcs.zsh]=
=0A=0A=A0 =A0 func1() {=0A=A0 =A0 =A0 =A0 a=3D( )=0A=A0 =A0 =A0 =A0 b=3Dfal=
se=0A=A0 =A0 =A0 =A0 echo "a in func1 length: ${#a[@]}"=0A=A0 =A0 }=0A=A0 =
=A0 func2() {=0A=A0 =A0 =A0 =A0 local a=3D( )=0A=A0 =A0 =A0 =A0 local b=3Df=
alse=0A=A0 =A0 =A0 =A0 echo "a in func2 length: ${#a[@]}"=0A=A0 =A0 }=0A=A0=
 =A0 func3() {=0A=A0 =A0 =A0 =A0 a=3D()=0A=A0 =A0 =A0 =A0 b=3Dfalse=0A=A0 =
=A0 =A0 =A0 echo "a in func3 length: ${#a[@]}"=0A=A0 =A0 }=0A=A0 =A0 func4(=
) {=0A=A0 =A0 =A0 =A0 local a=3D()=0A=A0 =A0 =A0 =A0 local b=3Dfalse=0A=A0 =
=A0 =A0 =A0 echo "a in func4 length: ${#a[@]}"=0A=A0 =A0 }=0A=0A[Your shell=
-session]=0A=0A=A0 =A0 example@local:~$ zsh=0A=A0 =A0 example@local:~$ zsh =
--version=0A=A0 =A0 zsh 5.0.8 (x86_64-apple-darwin14.3.0)=0A=A0 =A0 example=
@local:~$ source funcs.zsh=0A=A0 =A0 example@local:~$ func1=0A=A0 =A0 a in =
func1 length: 0=0A=A0 =A0 example@local:~$ func2=0A=A0 =A0 func2:1: unknown=
 file attribute:=0A=A0 =A0 example@local:~$ func3=0A=A0 =A0 a in func3 leng=
th: 0=0A=A0 =A0 example@local:~$ func4=0A=A0 =A0 a in func4 length: 0=0A=A0=
 =A0 [1] =A0 =A035208 segmentation fault =A0zsh