lib/lrama/command.rb in lrama-0.6.0 vs lib/lrama/command.rb in lrama-0.6.1

@@ -1,16 +1,30 @@
 module Lrama
   class Command
     def run(argv)
-      options = OptionParser.new.parse(argv)
+      begin
+        options = OptionParser.new.parse(argv)
+      rescue => e
+        message = e.message
+        message = message.gsub(/.+/, "\e[1m\\&\e[m") if Exception.to_tty?
+        abort message
+      end
 
       Report::Duration.enable if options.trace_opts[:time]
 
       warning = Lrama::Warning.new
       text = options.y.read
       options.y.close if options.y != STDIN
-      grammar = Lrama::Parser.new(text, options.grammar_file, options.debug).parse
+      parser = Lrama::Parser.new(text, options.grammar_file, options.debug)
+      begin
+        grammar = parser.parse
+      rescue => e
+        raise e if options.debug
+        message = e.message
+        message = message.gsub(/.+/, "\e[1m\\&\e[m") if Exception.to_tty?
+        abort message
+      end
       states = Lrama::States.new(grammar, warning, trace_state: (options.trace_opts[:automaton] || options.trace_opts[:closure]))
       states.compute
       context = Lrama::Context.new(states)
 
       if options.report_file
@@ -37,10 +51,10 @@
           error_recovery: options.error_recovery,
         ).render
       end
 
       if warning.has_error?
-        exit 1
+        exit false
       end
     end
   end
 end