src/debugger.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 # Debugging of a nit program using the NaiveInterpreter
  18 module debugger
  19
  20 intrude import naive_interpreter
  21
  22 redef class ToolContext
  23         # -d
  24         var opt_debugger_mode: OptionBool = new OptionBool("Launches the target program with the debugger attached to it", "-d")
  25
  26         redef init
  27         do
  28                 super
  29                 self.option_context.add_option(self.opt_debugger_mode)
  30         end
  31 end
  32
  33 redef class ModelBuilder
  34         # Execute the program from the entry point (Sys::main) of the `mainmodule'
  35         # `arguments' are the command-line arguments in order
  36         # REQUIRE that:
  37         #   1. the AST is fully loaded.
  38         #   2. the model is fully built.
  39         #   3. the instructions are fully analysed.
  40         fun run_debugger(mainmodule: MModule, arguments: Array[String])
  41         do
  42                 var time0 = get_time
  43                 self.toolcontext.info("*** START INTERPRETING ***", 1)
  44
  45                 var interpreter = new Debugger(self, mainmodule, arguments)
  46
  47                 init_naive_interpreter(interpreter, mainmodule)
  48
  49                 var time1 = get_time
  50                 self.toolcontext.info("*** END INTERPRETING: {time1-time0} ***", 2)
  51         end
  52 end
  53
  54 # The class extending NaiveInterpreter by adding debugging methods
  55 class Debugger
  56         super NaiveInterpreter
  57
  58 end