Bug #5024: ruby-mode.el syntax highlighting breaks on regular expression with quotes

• Status: Third Party's Issue
• Assignee: nobu (Nobuyoshi Nakada)
• Target version: 1.9.2
• ruby -v: 1.9.2-p180 revision 30909

[slickrobert (Robert Smith)]

I am using 1.9.2-p160 revision 29036

If there are an odd number of quotation marks inside a regular expression, the syntax highlighting breaks, continuing the regular expression color until another quotation mark is found.

method /^"([^"]*)"$/ do |arg|

continues regular expression syntax color until quotation is matched

Syntax continues to work correctly with parentheses around the method, such as
method(/^"([^"]*)"$/) do |arg|

Searching led me to a related bug that was fixed: http://redmine.ruby-lang.org/issues/show/4242

[slickrobert (Robert Smith)]

Sorry, I meant revision 30909 in the description.

[naruse (Yui NARUSE)]

• Status changed from Open to Assigned
• Assignee set to nobu (Nobuyoshi Nakada)

[naruse (Yui NARUSE)]

• Parent task set to #5142

[dgutov (Dmitry Gutov)]

This is kinda-fixed in the Emacs trunk, provided that "method" is one of the names in the list ruby-syntax-methods-before-regexp.
Otherwise, the whole regexp literal isn't recognized in the first example. It should be obvious, the string-like highlighting would only start after the " character.

[nobu (Nobuyoshi Nakada)]

• Category set to misc
• Status changed from Assigned to Third Party's Issue