tools: add test_phase.nit
[nit.git] / src / test_phase.nit
1 # This file is part of NIT ( http://www.nitlanguage.org ).
2 #
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
6 #
7 # http://www.apache.org/licenses/LICENSE-2.0
8 #
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
14
15 # Stub for loading a runing phases on a bunch of modules
16 #
17 # The point is to refine this module is executable that does things.
18 # One simple way is to use the `-m` option of engines plug various phases.
19 module test_phase
20
21 import modelbuilder
22 import modelize_module
23
24 # Create a tool context to handle options and paths
25 var toolcontext = new ToolContext
26 # We do not add other options, so process them now!
27 toolcontext.process_options
28
29 # Get arguments
30 var arguments = toolcontext.option_context.rest
31 if arguments.is_empty or toolcontext.opt_help.value then
32 toolcontext.option_context.usage
33 return
34 end
35
36 # We need a model to collect stufs
37 var model = new Model
38 # An a model builder to parse files
39 var modelbuilder = new ModelBuilder(model, toolcontext)
40
41 # Here we load an process all modules passed on the command line
42 var mmodules = modelbuilder.parse(arguments)
43 modelbuilder.run_phases
44
45 if mmodules.length == 0 then
46 return
47 end
48
49 var mainmodule: MModule
50 if mmodules.length == 1 then
51 mainmodule = mmodules.first
52 else
53 # We need a main module, so we build it by importing all modules
54 mainmodule = new MModule(model, null, "<main>", new Location(null, 0, 0, 0, 0))
55 mainmodule.set_imported_mmodules(mmodules)
56 end
57
58 toolcontext.run_global_phases(mainmodule)