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Contents
module Debugger
module ParseFunctions
Position_regexp = '(?:(\d+)|(.+?)[:.#]([^.:\s]+))'
# Parse 'str' of command 'cmd' as an integer between
# min and max. If either min or max is nil, that
# value has no bound.
def get_int(str, cmd, min=nil, max=nil, default=1)
return default unless str
begin
int = Integer(str)
if min and int < min
print Debugger.printer.print("parse.errors.int.too_low", cmd: cmd, str: str, min: min)
return nil
elsif max and int > max
print Debugger.printer.print("parse.errors.int.too_high", cmd: cmd, str: str, max: max)
return nil
end
return int
rescue
print Debugger.printer.print("parse.errors.int.not_number", cmd: cmd, str: str)
return nil
end
end
# Return true if arg is 'on' or 1 and false arg is 'off' or 0.
# Any other value raises RuntimeError.
def get_onoff(arg, default=nil, print_error=true)
if arg.nil? or arg == ''
if default.nil?
if print_error
print Debugger.printer.print("parse.errors.onoff.syntax", arg: "nothing")
raise RuntimeError
end
return default
end
end
case arg.downcase
when '1', 'on'
return true
when '0', 'off'
return false
else
if print_error
print Debugger.printer.print("parse.errors.onoff.syntax", arg: arg)
raise RuntimeError
end
end
end
# Return 'on' or 'off' for supplied parameter. The parmeter should
# be true, false or nil.
def show_onoff(bool)
if not [TrueClass, FalseClass, NilClass].member?(bool.class)
return "??"
end
return bool ? 'on' : 'off'
end
# Return true if code is syntactically correct for Ruby.
def syntax_valid?(code)
eval("BEGIN {return true}\n#{code}", nil, "", 0)
rescue Exception
false
end
end
end
Version data entries
13 entries across 12 versions & 3 rubygems