# A naive Nit interpreter
module nit
-import naive_interpreter
-import debugger
-import debugger_socket
+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 debbugs Nit programs."
+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")
-toolcontext.option_context.add_option(opt_mixins)
+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(args)
# We need a model to collect stufs
var model = new Model
# An a model builder to parse files
-var modelbuilder = new ModelBuilder(model, toolcontext.as(not null))
+var modelbuilder = new ModelBuilder(model, toolcontext)
var arguments = toolcontext.option_context.rest
var progname = arguments.first
# Here we load an process all modules passed on the command line
-var mmodules = modelbuilder.parse([progname])
+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
mainmodule.set_imported_mmodules(mmodules)
end
-var self_mm = mainmodule.as(not null)
-var self_args = arguments.as(not null)
+var self_mm = mainmodule
+var self_args = arguments
if toolcontext.opt_debugger_autorun.value then
modelbuilder.run_debugger_autorun(self_mm, self_args)