Rename REAMDE to README.md

[nit.git] / src / nit.nit

diff --git a/src/nit.nit b/src/nit.nit
index 7ed1528..5a74d48 100644 (file)
--- a/src/nit.nit
+++ b/src/nit.nit
@@ -20,16 +20,19 @@ module nit
 import interpreter
 import frontend
 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")
 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)
 
@@ -49,6 +52,13 @@ 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, "-")
 
@@ -57,20 +67,11 @@ else
        mmodules = modelbuilder.parse([progname])
 end
 
-mmodules.add_all modelbuilder.parse(opt_mixins.value)
 modelbuilder.run_phases
 
 if toolcontext.opt_only_metamodel.value then exit(0)
 
-var mainmodule: nullable MModule
-
-# 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
@@ -79,6 +80,8 @@ 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)
+else if opt_vm.value then
+       modelbuilder.run_virtual_machine(self_mm, self_args)
 else
        modelbuilder.run_naive_interpreter(self_mm, self_args)
 end