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")
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)
+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)
var parent = null
if opt_loop.value then
- var nruntime = modelbuilder.load_module("niti_runtime")
- if nruntime == null then
+ parent = modelbuilder.get_mmodule_by_name(null, null, "niti_runtime")
+ if parent == null then
toolcontext.check_errors
abort
end
- parent = nruntime.mmodule
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
-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