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Contents
module Debugger
class CatchCommand < Command # :nodoc:
self.allow_in_control = true
def regexp
/^\s* cat(?:ch)?
(?:\s+ (\S+))?
(?:\s+ (off))? \s* $/ix
end
def execute
excn = @match[1]
if not excn
# No args given.
info_catch
elsif not @match[2]
# One arg given.
if 'off' == excn
Debugger.catchpoints.clear if
confirm("Delete all catchpoints? (y or n) ")
else
binding = @state.context ? get_binding : TOPLEVEL_BINDING
unless debug_eval("#{excn}.is_a?(Class)", binding)
print "Warning #{excn} is not known to be a Class\n"
end
Debugger.add_catchpoint(excn)
print "Catch exception %s.\n", excn
end
elsif @match[2] != 'off'
errmsg "Off expected. Got %s\n", @match[2]
elsif Debugger.catchpoints.member?(excn)
Debugger.catchpoints.delete(excn)
print "Catch for exception %s removed.\n", excn
else
errmsg "Catch for exception %s not found.\n", excn
end
end
class << self
def help_command
'catch'
end
def help(cmd)
%{
cat[ch]\t\tsame as "info catch"
cat[ch] <exception-name> [on|off]
\tIntercept <exception-name> when there would otherwise be no handler.
\tWith an "on" or "off", turn handling the exception on or off.
cat[ch] off\tdelete all catchpoints
}
end
end
end
end
Version data entries
57 entries across 55 versions & 10 rubygems