src/nit.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2012 Jean Privat <jean@pryen.org>
   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 # A naive Nit interpreter
  18 module nit
  19
  20 import modelbuilder
  21 import exprbuilder
  22 import naive_interpreter
  23 import interpretor_type_test
  24
  25 # Create a tool context to handle options and paths
  26 var toolcontext = new ToolContext
  27 # Add an option "-o" to enable compatibilit with the tests.sh script
  28 var opt = new OptionString("compatibility (does noting)", "-o")
  29 toolcontext.option_context.add_option(opt)
  30 # We do not add other options, so process them now!
  31 toolcontext.process_options
  32
  33 # We need a model to collect stufs
  34 var model = new Model
  35 # An a model builder to parse files
  36 var modelbuilder = new ModelBuilder(model, toolcontext)
  37
  38 var arguments = toolcontext.option_context.rest
  39 if arguments.is_empty or toolcontext.opt_help.value then
  40         toolcontext.option_context.usage
  41         return
  42 end
  43 var progname = arguments.first
  44
  45 # Here we load an process all modules passed on the command line
  46 var mmodules = modelbuilder.parse_and_build([progname])
  47 modelbuilder.full_propdef_semantic_analysis
  48
  49 if toolcontext.opt_only_metamodel.value then exit(0)
  50
  51 # Here we launch the interpreter on the main module
  52 assert mmodules.length == 1
  53 var mainmodule = mmodules.first
  54 modelbuilder.run_naive_interpreter(mainmodule, arguments)