tools: add test_phase.nit

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/test_phase.nit b/src/test_phase.nit
new file mode 100644 (file)
index 0000000..b0ff3c1
--- /dev/null
+++ b/src/test_phase.nit
@@ -0,0 +1,58 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Stub for loading a runing phases on a bunch of modules
+#
+# The point is to refine this module is executable that does things.
+# One simple way is to use the `-m` option of engines plug various phases.
+module test_phase
+
+import modelbuilder
+import modelize_module
+
+# Create a tool context to handle options and paths
+var toolcontext = new ToolContext
+# We do not add other options, so process them now!
+toolcontext.process_options
+
+# Get arguments
+var arguments = toolcontext.option_context.rest
+if arguments.is_empty or toolcontext.opt_help.value then
+       toolcontext.option_context.usage
+       return
+end
+
+# We need a model to collect stufs
+var model = new Model
+# An a model builder to parse files
+var modelbuilder = new ModelBuilder(model, toolcontext)
+
+# Here we load an process all modules passed on the command line
+var mmodules = modelbuilder.parse(arguments)
+modelbuilder.run_phases
+
+if mmodules.length == 0 then
+       return
+end
+
+var mainmodule: MModule
+if mmodules.length == 1 then
+       mainmodule = mmodules.first
+else
+       # We need a main module, so we build it by importing all modules
+       mainmodule = new MModule(model, null, "<main>", new Location(null, 0, 0, 0, 0))
+       mainmodule.set_imported_mmodules(mmodules)
+end
+
+toolcontext.run_global_phases(mainmodule)