From: shyouhei@... Date: 2017-12-04T10:49:41+00:00 Subject: [ruby-core:84082] [Ruby trunk Feature#14153] [PATCH] resurrection of # -*- warn_past_scope: true -*- Issue #14153 has been updated by shyouhei (Shyouhei Urabe). This patch works like this: ``` % ./ruby --disable-gems -w -ve '[1, 2, 3].sample.tap { |rand| puts "Random value: #{rand}" }; puts "Another random value: #{rand}"' ruby 2.5.0dev (2017-12-04 warn_past_scope 61011) [x86_64-darwin15] Random value: 3 Another random value: 0.25989520023218615 % % % ./ruby --disable-gems -w -ve '# warn_past_scope: true' -e '[1, 2, 3].sample.tap { |rand| puts "Random value: #{rand}" }; puts "Another random value: #{rand}"' ruby 2.5.0dev (2017-12-04 warn_past_scope 61011) [x86_64-darwin15] -e:2: warning: possible reference to past scope - rand Random value: 2 Another random value: 0.5832209137869108 % ``` ---------------------------------------- Feature #14153: [PATCH] resurrection of # -*- warn_past_scope: true -*- https://bugs.ruby-lang.org/issues/14153#change-68181 * Author: shyouhei (Shyouhei Urabe) * Status: Open * Priority: Normal * Assignee: * Target version: ---------------------------------------- ```patch From 2addeedcf8838dc15d127fffd888962b34879439 Mon Sep 17 00:00:00 2001 From: "Urabe, Shyouhei" Date: Mon, 4 Dec 2017 19:28:55 +0900 Subject: [PATCH] resurrection of # -*- warn_past_scope: true -*- I understand this feature was killed due to [Bug #10661]. However sometimes i _do_ want to check variable name collisions. Please consider this feature again, with default off; no warning shall be emitted unless theere are the dedicated magic comment in the source code. Signed-off-by: Urabe, Shyouhei --- parse.y | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/parse.y b/parse.y index 03b9ed992e..a4a31af5e0 100644 --- a/parse.y +++ b/parse.y @@ -37,7 +37,7 @@ #include "probes.h" #ifndef WARN_PAST_SCOPE -# define WARN_PAST_SCOPE 0 +# define WARN_PAST_SCOPE 1 #endif #define TAB_WIDTH 8 -- 2.15.1 ``` -- https://bugs.ruby-lang.org/ Unsubscribe: