Class: Byebug::CatchCommand
- Defined in:
- lib/byebug/commands/catch.rb
Overview
Implements exception catching.
Enables the user to catch unhandled assertion when they happen.
Class Method Summary collapse
Instance Method Summary collapse
Methods inherited from Command
commands, find, format_subcmd, format_subcmds, help, inherited, #initialize, #match
Methods included from StringFunctions
Methods included from FileFunctions
#get_line, #get_lines, #n_lines, #normalize
Methods included from ParseFunctions
#get_int, #parse_steps, #syntax_valid?, #without_stderr
Constructor Details
This class inherits a constructor from Byebug::Command
Class Method Details
.description ⇒ Object
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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 ⇒ Object
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# File 'lib/byebug/commands/catch.rb', line 46 def names %w(catch) end |
Instance Method Details
#execute ⇒ Object
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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 ⇒ Object
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# File 'lib/byebug/commands/catch.rb', line 10 def regexp /^\s* cat(?:ch)? (?:\s+(\S+))? (?:\s+(off))? \s*$/x end |