# 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
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)
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