Module: Debugger::ParseFunctions

get_int(str, cmd, min=nil, max=nil, default=1)

Parse ‘str’ of command ‘cmd’ as an integer between min and max. If either min or max is nil, that value has no bound.

    # File cli/ruby-debug/helper.rb, line 14
14:     def get_int(str, cmd, min=nil, max=nil, default=1)
15:       return default unless str
16:       begin
17:         int = Integer(str)
18:         if min and int < min
19:           print "%s argument '%s' needs to at least %s.\n" % [cmd, str, min]
20:           return nil
21:         elsif max and int > max
22:           print "%s argument '%s' needs to at most %s.\n" % [cmd, str, max]
23:           return nil
24:         end
25:         return int
26:       rescue
27:         print "%s argument '%s' needs to be a number.\n" % [cmd, str]
28:         return nil
29:       end
30:     end

get_onoff(arg, default=nil, print_error=true)

Return true if arg is ‘on’ or 1 and false arg is ‘off’ or 0. Any other value raises RuntimeError.

[Source]

    # File cli/ruby-debug/helper.rb, line 34
34:     def get_onoff(arg, default=nil, print_error=true)
35:       if arg.nil? or arg == ''
36:         if default.nil?
37:           if print_error
38:             print "Expecting 'on', 1, 'off', or 0. Got nothing.\n"
39:             raise RuntimeError
40:           end
41:           return default
42:         end
43:       end
44:       case arg.downcase
45:       when '1', 'on'
46:         return true
47:       when '0', 'off'
48:         return false
49:       else
50:         if print_error
51:           print "Expecting 'on', 1, 'off', or 0. Got: %s.\n" % arg.to_s
52:           raise RuntimeError
53:         end
54:       end
55:     end

show_onoff(bool)

Return ‘on’ or ‘off’ for supplied parameter. The parmeter should be true, false or nil.

[Source]

    # File cli/ruby-debug/helper.rb, line 59
59:     def show_onoff(bool)
60:       if not [TrueClass, FalseClass, NilClass].member?(bool.class)
61:         return "??"
62:       end
63:       return bool ? 'on' : 'off'
64:     end

syntax_valid?(code)

Return true if code is syntactically correct for Ruby.

[Source]

    # File cli/ruby-debug/helper.rb, line 67
67:     def syntax_valid?(code)
68:       eval("BEGIN {return true}\n#{code}", nil, "", 0)
69:     rescue Exception
70:       false
71:     end

Methods

Constants

Public Instance methods