for m in messages do
if opt_no_color.value then
- stderr.write("{m}\n")
+ sys.stderr.write("{m}\n")
else
- stderr.write("{m.to_color_string}\n")
+ sys.stderr.write("{m.to_color_string}\n")
end
end
end
end
+ # Executes a program while checking if it's available and if the execution ended correctly
+ #
+ # Stops execution and prints errors if the program isn't available or didn't end correctly
+ fun exec_and_check(args: Array[String], error: String)
+ do
+ var prog = args.first
+ args.remove_at 0
+
+ # Is the wanted program available?
+ var proc_which = new IProcess.from_a("which", [prog])
+ proc_which.wait
+ var res = proc_which.status
+ if res != 0 then
+ print "{error}: executable \"{prog}\" not found"
+ exit 1
+ end
+
+ # Execute the wanted program
+ var proc = new Process.from_a(prog, args)
+ proc.wait
+ res = proc.status
+ if res != 0 then
+ print "{error}: execution of \"{prog} {args.join(" ")}\" failed"
+ exit 1
+ end
+ end
+
# Global OptionContext
var option_context: OptionContext = new OptionContext
# Make sure the output directory exists
log_directory.mkdir
end
+
+ nit_dir = compute_nit_dir
+ end
+
+ # The identified root directory of the Nit project
+ var nit_dir: nullable String
+
+ private fun compute_nit_dir: nullable String
+ do
+ # a environ variable has precedence
+ var res = "NIT_DIR".environ
+ if not res.is_empty then return res
+
+ # find the runpath of the program from argv[0]
+ res = "{sys.program_name.dirname}/.."
+ if res.file_exists and "{res}/src/nit.nit".file_exists then return res.simplify_path
+
+ # find the runpath of the process from /proc
+ var exe = "/proc/self/exe"
+ if exe.file_exists then
+ res = exe.realpath
+ res = res.dirname.join_path("..")
+ if res.file_exists and "{res}/src/nit.nit".file_exists then return res.simplify_path
+ end
+
+ return null
end
end