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 frontend
  22 import naive_interpreter
  23 import debugger
  24 #import interpretor_type_test
  25
  26 # Create a tool context to handle options and paths
  27 var toolcontext = new ToolContext
  28 # Add an option "-o" to enable compatibilit with the tests.sh script
  29 var opt = new OptionString("compatibility (does noting)", "-o")
  30 toolcontext.option_context.add_option(opt)
  31 # We do not add other options, so process them now!
  32 toolcontext.process_options
  33
  34 # We need a model to collect stufs
  35 var model = new Model
  36 # An a model builder to parse files
  37 var modelbuilder = new ModelBuilder(model, toolcontext)
  38
  39 var arguments = toolcontext.option_context.rest
  40 if arguments.is_empty or toolcontext.opt_help.value then
  41         toolcontext.option_context.usage
  42         return
  43 end
  44 var progname = arguments.first
  45
  46 # Here we load an process all modules passed on the command line
  47 var mmodules = modelbuilder.parse_and_build([progname])
  48 modelbuilder.run_phases
  49
  50 if toolcontext.opt_only_metamodel.value then exit(0)
  51
  52 # Here we launch the interpreter on the main module
  53 assert mmodules.length == 1
  54 var mainmodule = mmodules.first
  55
  56 if toolcontext.opt_debugger_autorun.value then
  57         modelbuilder.run_debugger_autorun(mainmodule, arguments)
  58 else if toolcontext.opt_debugger_mode.value then
  59         modelbuilder.run_debugger(mainmodule, arguments)
  60 else
  61         modelbuilder.run_naive_interpreter(mainmodule, arguments)
  62 end