class Byebug::CatchCommand
Implements exception catching.
Enables the user to catch unhandled assertion when they happen.
Public Class Methods
description()
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# File lib/byebug/commands/catch.rb, line 50 def description prettify <<-EOD cat[ch][ (off|<exception>[ off])] "catch" lists catchpoints. "catch off" deletes all catchpoints. "catch <exception>" enables handling <exception>. "catch <exception> off" disables handling <exception>. EOD end
names()
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# File lib/byebug/commands/catch.rb, line 46 def names %w(catch) end
Public Instance Methods
execute()
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# File lib/byebug/commands/catch.rb, line 14 def execute ex = @match[1] return info_catch unless ex cmd = @match[2] unless cmd if 'off' == ex Byebug.catchpoints.clear if confirm(pr('catch.confirmations.delete_all')) return end is_class = bb_eval("#{ex.is_a?(Class)}") puts pr('catch.errors.not_class', class: ex) unless is_class Byebug.add_catchpoint(ex) return puts pr('catch.catching', exception: ex) end if cmd == 'off' exists = Byebug.catchpoints.member?(ex) return errmsg pr('catch.errors.not_found', exception: ex) unless exists Byebug.catchpoints.delete(ex) return errmsg pr('catch.errors.removed', exception: ex) end errmsg pr('catch.errors.off', off: cmd) end
regexp()
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# File lib/byebug/commands/catch.rb, line 10 def regexp /^\s* cat(?:ch)? (?:\s+(\S+))? (?:\s+(off))? \s*$/x end