src/debugger_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 debugger_commons
  18
  19 import modelbuilder
  20 import frontend
  21 import transform
  22
  23 class InterpretCommons
  24
  25         var model: nullable Model
  26         var modelbuilder: nullable ModelBuilder
  27         var toolcontext: nullable ToolContext
  28         var mainmodule: nullable MModule
  29         var arguments: nullable Array[String]
  30
  31         init
  32         do
  33         end
  34
  35         fun launch
  36         do
  37                 # Create a tool context to handle options and paths
  38                 toolcontext = new ToolContext
  39                 toolcontext.tooldescription = "Usage: nit [OPTION]... <file.nit>...\nInterprets and debbugs Nit programs."
  40                 # Add an option "-o" to enable compatibilit with the tests.sh script
  41                 var opt = new OptionString("compatibility (does noting)", "-o")
  42                 toolcontext.option_context.add_option(opt)
  43                 var opt_mixins = new OptionArray("Additionals module to min-in", "-m")
  44                 toolcontext.option_context.add_option(opt_mixins)
  45                 # We do not add other options, so process them now!
  46                 toolcontext.process_options(args)
  47
  48                 # We need a model to collect stufs
  49                 var model = new Model
  50                 self.model = model
  51                 # An a model builder to parse files
  52                 modelbuilder = new ModelBuilder(model, toolcontext.as(not null))
  53
  54                 arguments = toolcontext.option_context.rest
  55                 var progname = arguments.first
  56
  57                 # Here we load an process all modules passed on the command line
  58                 var mmodules = modelbuilder.parse([progname])
  59                 mmodules.add_all modelbuilder.parse(opt_mixins.value)
  60                 modelbuilder.run_phases
  61
  62                 if toolcontext.opt_only_metamodel.value then exit(0)
  63
  64                 # Here we launch the interpreter on the main module
  65                 if mmodules.length == 1 then
  66                         mainmodule = mmodules.first
  67                 else
  68                         mainmodule = new MModule(model, null, mmodules.first.name, mmodules.first.location)
  69                         mainmodule.set_imported_mmodules(mmodules)
  70                 end
  71         end
  72
  73 end