# A program that collects various metrics on nit programs and libraries
module nitmetrics
-import modelbuilder
import frontend
import metrics
# Create a tool context to handle options and paths
var toolcontext = new ToolContext
+toolcontext.tooldescription = "Usage: nitmetrics [OPTION]... <file.nit>...\nComputes various metrics on Nit programs."
+
# We do not add other options, so process them now!
-toolcontext.process_options
+toolcontext.process_options(args)
# 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
var mmodules = modelbuilder.parse(arguments)
modelbuilder.run_phases
-if mmodules.length == 0 then return
-
-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
-
print "*** METRICS ***"
-toolcontext.run_global_phases(mainmodule)
+toolcontext.run_global_phases(mmodules)