# A naive Nit interpreter
module nit
-import modelbuilder
-import exprbuilder
-import naive_interpreter
+import interpreter
+import frontend
+import parser_util
# Create a tool context to handle options and paths
var toolcontext = new ToolContext
+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")
+var opt_loop = new OptionBool("Repeatedly run the program for each line in file-name arguments", "-n")
+toolcontext.option_context.add_option(opt_mixins, opt_eval, opt_loop)
# We do not add other options, so process them now!
-toolcontext.process_options
+toolcontext.process_options(args)
# We need a model to collect stufs
var model = new Model
var modelbuilder = new ModelBuilder(model, toolcontext)
var arguments = toolcontext.option_context.rest
-if arguments.is_empty then
- toolcontext.option_context.usage
- return
-end
var progname = arguments.first
# Here we load an process all modules passed on the command line
-var mmodules = modelbuilder.parse_and_build([progname])
-modelbuilder.full_propdef_semantic_analysis
+var mmodules: Array[MModule]
+
+if opt_eval.value then
+ var amodule = toolcontext.parse_module(progname)
+ toolcontext.check_errors
+
+ var parent = null
+ if opt_loop.value then
+ var nruntime = modelbuilder.load_module("niti_runtime")
+ if nruntime == null then
+ toolcontext.check_errors
+ abort
+ end
+ parent = nruntime.mmodule
+ end
+
+ modelbuilder.load_rt_module(parent, amodule, "-")
+
+ mmodules = [amodule.mmodule.as(not null)]
+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
-assert mmodules.length == 1
-var mainmodule = mmodules.first
-modelbuilder.run_naive_interpreter(mainmodule, arguments)
+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 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)
+else
+ modelbuilder.run_naive_interpreter(self_mm, self_args)
+end
+