opts: get_errors function instead of check_errors.

diff --git a/lib/opts.nit b/lib/opts.nit
index 06fe44e..a60760f 100644 (file)
--- a/lib/opts.nit
+++ b/lib/opts.nit
@@ -143,7 +143,7 @@ abstract class OptionParameter
                        it.next
                else
                        if _parameter_mandatory then
-                               _errors.add("parameter expected for option {names.first}")
+                               _errors.add("Parameter expected for option {names.first}.")
                        end
                end
        end
@@ -298,11 +298,9 @@ class OptionContext
 
                for opt in _options do
                        if opt.mandatory and not opt.read then
-                               _errors.add("mandatory option {opt.names.join(", ")} not found")
+                               _errors.add("Mandatory option {opt.names.join(", ")} not found.")
                        end
                end
-
-               check_errors
        end
 
        fun add_option(opts: Option...)
@@ -329,20 +327,18 @@ class OptionContext
                end
        end
 
-       private fun check_errors
+       fun get_errors: Array[String]
        do
+               var errors: Array[String] = new Array[String]
+
+               errors.add_all(_errors)
+
                for o in _options do
                        for e in o.errors do
-                               _errors.add(e)
+                               errors.add(e)
                        end
                end
 
-               if _errors.length > 0 then
-                       stderr.write("Errors occured during parsing:\n")
-                       for e in _errors do
-                               stderr.write(" - " + e + "\n")
-                       end
-                       exit(1)
-               end
+               return errors
        end
 end