added #error directive

Author: Laurent Pinson

pypreprocessor/__init__.py

@@ -317,6 +317,12 @@ def lexer(self, line):
                     print('Warning trying to remove more blocks than present', 
                           self.input, self.__linenum)
 
+        elif self.__is_directive(line, 'error'):
+            if self.__validate_ifs():
+                print('File: "' + self.input + '", line ' + str(self.__linenum + 1))
+                print('Error directive reached')
+                sys.exit(1)
+
         else: 
             # escapechar + space ==> comment
             # starts with #!/ ==> shebang

pypreprocessor/__main__.py

@@ -27,7 +27,7 @@
 p=preprocessor(inFile=args.input, defines=args.define, mode=None, removeMeta=args.removeMeta, escapeChar=None, 
                run=args.run, resume=False, save=True, overload=args.overload, quiet=args.quiet)
 if args.output:
-    p.define = args.output
+    p.output = args.output
 if args.escape:
     p.escape = args.escape