diff options
Diffstat (limited to 'src/front/parser.py')
| -rw-r--r-- | src/front/parser.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/front/parser.py b/src/front/parser.py index 9e738d3..29e300d 100644 --- a/src/front/parser.py +++ b/src/front/parser.py @@ -23,6 +23,9 @@ class Parser: raise Exception(msg) def match(self, tag): + if self.token == None: + self.error("Unexpected end of file.") + if self.token.tag != tag: self.error("match: expected %s got %s\n" %(tag, self.token.tag)) val = self.token.value @@ -155,7 +158,7 @@ class Parser: # function_list = function { function }. def function_list(self): funcs = [self.function()] - while self.token != None: + while self.token: funcs.append(self.function()) return funcs |