- DHParser/parse.py ParserError Better string representation

DHParser/parse.py

@@ -117,6 +117,9 @@ class ParserError(Exception):
         self.rest = rest  # type: StringView
         self.first_throw = first_throw  # type: bool
 
+    def __str__(self):
+        return "%i: %s    %s" % (self.node.pos, self.rest[:25], repr(self.node))
+
 
 ResumeList = List[Union[str, Any]]  # list of strings or regular expressiones
 

dhparser.py

@@ -146,7 +146,8 @@ def recompile_grammar(grammar_src, force):
         testing.create_test_templates(grammar_src, grammar_tests_dir)
     with DHParser.log.logging(LOGGING):
         # recompiles Grammar only if it has changed
-        if not dsl.recompile_grammar(grammar_src, force=force):
+        if not dsl.recompile_grammar(grammar_src, force=force,
+                notify=lambda: print('recompiling ' + grammar_src)):
             print('\nErrors while recompiling "%s":' % grammar_src +
                   '\n--------------------------------------\n\n')
             with open('{name}_ebnf_ERRORS.txt') as f: