Some last fstring fixes.

parso/grammar.py

@@ -176,7 +176,7 @@ class Grammar(object):
 
 
     def __repr__(self):
-        labels = self._pgen_grammar.symbol2number.values()
+        labels = self._pgen_grammar.number2symbol.values()
         txt = ' '.join(list(labels)[:3]) + ' ...'
         return '<%s:%s>' % (self.__class__.__name__, txt)
 

parso/python/diff.py

@@ -287,7 +287,7 @@ class DiffParser(object):
         is_first_token = True
         omitted_first_indent = False
         indents = []
-        tokens = self._tokenizer(lines)
+        tokens = self._tokenizer(lines, (1, 0))
         stack = self._active_parser.pgen_parser.stack
         for typ, string, start_pos, prefix in tokens:
             start_pos = start_pos[0] + line_offset, start_pos[1]

parso/python/grammar36.txt

@@ -11,9 +11,6 @@
 single_input: NEWLINE | simple_stmt | compound_stmt NEWLINE
 file_input: (NEWLINE | stmt)* ENDMARKER
 eval_input: testlist NEWLINE* ENDMARKER
-# Dave: A modification to parse f-strings.
-testlist_comp_with_endmarker: testlist NEWLINE* ENDMARKER
-
 decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE
 decorators: decorator+
 decorated: decorators (classdef | funcdef | async_funcdef)

parso/python/tokenize.py

@@ -255,11 +255,13 @@ def tokenize_lines(lines, version_info, start_pos=(1, 0)):
     lnum = start_pos[0] - 1
     for line in lines:  # loop over lines in stream
         lnum += 1
-        pos, max = 0, len(line)
+        pos = 0
+        max = len(line)
         if first:
             if line.startswith(BOM_UTF8_STRING):
                 additional_prefix = BOM_UTF8_STRING
                 line = line[1:]
+                max = len(line)
 
             # Fake that the part before was already parsed.
             line = '^' * start_pos[1] + line