src/breakpoint.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2013 Lucas Bajolet <lucas.bajolet@gmail.com>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Classes and methods relative to the management of Breakpoints for the Debugger
  18 module breakpoint
  19
  20 # Contains all the informations of a Breakpoint for the Debugger
  21 class Breakpoint
  22
  23         # Line to break on
  24         var line: Int
  25
  26         # File concerned by the breakpoint
  27         var file: String
  28
  29         # Maximum times to break on self
  30         var max_breaks: Int
  31
  32         init(line: Int, file: String)
  33         do
  34                 self.line = line
  35                 self.file = file
  36                 self.max_breaks = -1
  37         end
  38
  39         fun set_max_breaks(breaks: Int)
  40         do
  41                 self.max_breaks = breaks
  42         end
  43
  44         # When the breakpoint is encountered, the check-in function should be called
  45         fun check_in
  46         do
  47                 if self.max_breaks > 0 then self.max_breaks -= 1
  48         end
  49
  50         # Checks if the breakpoint is still valid (that is, if it has a remaining breaks number > 0 or == -1)
  51         fun is_valid: Bool
  52         do
  53                 if max_breaks == 0 then
  54                         return false
  55                 else
  56                         return true
  57                 end
  58         end
  59
  60 end