src/nitg.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 global Nit compiler
  18 module nitg
  19
  20 import modelbuilder
  21 import frontend
  22 import rapid_type_analysis
  23 import global_compiler
  24 import separate_erasure_compiler
  25 import separate_compiler
  26
  27 # Create a tool context to handle options and paths
  28 var toolcontext = new ToolContext
  29
  30 # Create a new option for --global
  31 var opt_global = new OptionBool("Use global compilation", "--global")
  32 toolcontext.option_context.add_option(opt_global)
  33
  34 # We do not add other options, so process them now!
  35 toolcontext.process_options
  36
  37 # We need a model to collect stufs
  38 var model = new Model
  39 # An a model builder to parse files
  40 var modelbuilder = new ModelBuilder(model, toolcontext)
  41
  42 var arguments = toolcontext.option_context.rest
  43 if arguments.is_empty then
  44         toolcontext.option_context.usage
  45         return
  46 end
  47 if arguments.length > 1 then
  48         print "Too much arguments: {arguments.join(" ")}"
  49         toolcontext.option_context.usage
  50         return
  51 end
  52 var progname = arguments.first
  53
  54 # Here we load an process all modules passed on the command line
  55 var mmodules = modelbuilder.parse([progname])
  56
  57 if mmodules.is_empty then return
  58 modelbuilder.run_phases
  59
  60 # Here we launch the interpreter on the main module
  61 assert mmodules.length == 1
  62 var mainmodule = mmodules.first
  63 var analysis = modelbuilder.do_rapid_type_analysis(mainmodule)
  64
  65 if toolcontext.opt_erasure.value then
  66         modelbuilder.run_separate_erasure_compiler(mainmodule, analysis)
  67 else if opt_global.value then
  68         modelbuilder.run_global_compiler(mainmodule, analysis)
  69 else
  70         modelbuilder.run_separate_compiler(mainmodule, analysis)
  71 end