X-Git-Url: http://nitlanguage.org

diff --git a/src/nit.nit b/src/nit.nit
index 7ed1528..6441b1a 100644
--- a/src/nit.nit
+++ b/src/nit.nit
@@ -18,18 +18,22 @@
 module nit
 
 import interpreter
-import frontend
+import frontend::code_gen
 import parser_util
+import vm
 
 # Create a tool context to handle options and paths
 var toolcontext = new ToolContext
+toolcontext.option_context.options_before_rest = true
 toolcontext.tooldescription = "Usage: nit [OPTION]... <file.nit>...\nInterprets and debugs Nit programs."
-# Add an option "-o" to enable compatibilit with the tests.sh script
-var opt = new OptionString("compatibility (does noting)", "-o")
+# Add an option "-o" to enable compatibility with the tests.sh script
+var opt = new OptionString("Does nothing. Used for compatibility.", "-o")
+opt.hidden = true
 toolcontext.option_context.add_option(opt)
-var opt_mixins = new OptionArray("Additionals module to min-in", "-m")
 var opt_eval = new OptionBool("Specifies the program from command-line", "-e")
-toolcontext.option_context.add_option(opt_mixins, opt_eval)
+var opt_loop = new OptionBool("Repeatedly run the program for each line in file-name arguments", "-n")
+var opt_vm = new OptionBool("Run the virtual machine instead of the naive interpreter (experimental)", "--vm")
+toolcontext.option_context.add_option(opt_eval, opt_loop, opt_vm)
 # We do not add other options, so process them now!
 toolcontext.process_options(args)
 
@@ -49,36 +53,39 @@ if opt_eval.value then
 	toolcontext.check_errors
 
 	var parent = null
+	if opt_loop.value then
+		parent = modelbuilder.get_mmodule_by_name(null, null, "niti_runtime")
+		if parent == null then
+			toolcontext.check_errors
+			abort
+		end
+	end
 
 	modelbuilder.load_rt_module(parent, amodule, "-")
 
 	mmodules = [amodule.mmodule.as(not null)]
+else if progname == "-" then
+	var content = stdin.read_all
+	var amodule = toolcontext.parse_module(content)
+	toolcontext.check_errors
+	modelbuilder.load_rt_module(null, amodule, "-")
+	mmodules = [amodule.mmodule.as(not null)]
 else
 	mmodules = modelbuilder.parse([progname])
 end
 
-mmodules.add_all modelbuilder.parse(opt_mixins.value)
 modelbuilder.run_phases
+toolcontext.run_global_phases(modelbuilder.parsed_modules)
 
-if toolcontext.opt_only_metamodel.value then exit(0)
-
-var mainmodule: nullable MModule
+if toolcontext.opt_only_metamodel.value then toolcontext.quit
 
-# Here we launch the interpreter on the main module
-if mmodules.length == 1 then
-	mainmodule = mmodules.first
-else
-	mainmodule = new MModule(model, null, mmodules.first.name, mmodules.first.location)
-	mainmodule.set_imported_mmodules(mmodules)
-end
+var mainmodule = toolcontext.make_main_module(mmodules)
 
 var self_mm = mainmodule
 var self_args = arguments
 
-if toolcontext.opt_debugger_autorun.value then
-	modelbuilder.run_debugger_autorun(self_mm, self_args)
-else if toolcontext.opt_debugger_mode.value then
-	modelbuilder.run_debugger(self_mm, self_args)
+if opt_vm.value then
+	modelbuilder.run_virtual_machine(self_mm, self_args)
 else
 	modelbuilder.run_naive_interpreter(self_mm, self_args)
 end