src/nitdbg_commons.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2013 Lucas Bajolet <lucas.bajolet@hotmail.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 module nitdbg_commons
  18
  19 import modelbuilder
  20 import frontend
  21
  22 class InterpretCommons
  23
  24         var model: nullable Model
  25         var modelbuilder: nullable ModelBuilder
  26         var toolcontext: nullable ToolContext
  27         var mainmodule: nullable MModule
  28         var arguments: nullable Array[String]
  29
  30         init
  31         do
  32         end
  33
  34         fun launch
  35         do
  36                 # Create a tool context to handle options and paths
  37                 toolcontext = new ToolContext
  38                 # Add an option "-o" to enable compatibilit with the tests.sh script
  39                 var opt = new OptionString("compatibility (does noting)", "-o")
  40                 toolcontext.option_context.add_option(opt)
  41                 # We do not add other options, so process them now!
  42                 toolcontext.process_options
  43
  44                 # We need a model to collect stufs
  45                 model = new Model
  46                 # An a model builder to parse files
  47                 modelbuilder = new ModelBuilder(model.as(not null), toolcontext.as(not null))
  48
  49                 arguments = toolcontext.option_context.rest
  50                 if arguments.is_empty or toolcontext.opt_help.value then
  51                         toolcontext.option_context.usage
  52                         return
  53                 end
  54                 var progname = arguments.first
  55
  56                 # Here we load an process all modules passed on the command line
  57                 var mmodules = modelbuilder.parse([progname])
  58                 modelbuilder.run_phases
  59
  60                 if toolcontext.opt_only_metamodel.value then exit(0)
  61
  62                 # Here we launch the interpreter on the main module
  63                 assert mmodules.length == 1
  64                 mainmodule = mmodules.first
  65         end
  66
  67 end