Cache generated comments

[etc/vim.git] / blib2to3 / pgen2 / tokenize.py

diff --git a/blib2to3/pgen2/tokenize.py b/blib2to3/pgen2/tokenize.py
index 4f031306378ab20d13aec985e3c8715f59c8606a..9a7664bbf95bf81d1809922dcaf53433bae61454 100644 (file)
--- a/blib2to3/pgen2/tokenize.py
+++ b/blib2to3/pgen2/tokenize.py
@@ -29,7 +29,7 @@ __author__ = 'Ka-Ping Yee <ping@lfw.org>'
 __credits__ = \
     'GvR, ESR, Tim Peters, Thomas Wouters, Fred Drake, Skip Montanaro'
 
 __credits__ = \
     'GvR, ESR, Tim Peters, Thomas Wouters, Fred Drake, Skip Montanaro'
 

-import string, re, unicodedata
+import re

 from codecs import BOM_UTF8, lookup
 from blib2to3.pgen2.token import *
 
 from codecs import BOM_UTF8, lookup
 from blib2to3.pgen2.token import *
 


@@ -56,7 +56,7 @@ def _combinations(*l):
 Whitespace = r'[ \f\t]*'
 Comment = r'#[^\r\n]*'
 Ignore = Whitespace + any(r'\\\r?\n' + Whitespace) + maybe(Comment)
 Whitespace = r'[ \f\t]*'
 Comment = r'#[^\r\n]*'
 Ignore = Whitespace + any(r'\\\r?\n' + Whitespace) + maybe(Comment)

-Name = r'[^\d\W]\w*'
+Name = r'\w+'  # this is invalid but it's fine because Name comes after Number in all groups

 
 Binnumber = r'0[bB]_?[01]+(?:_[01]+)*'
 Hexnumber = r'0[xX]_?[\da-fA-F]+(?:_[\da-fA-F]+)*[lL]?'
 
 Binnumber = r'0[bB]_?[01]+(?:_[01]+)*'
 Hexnumber = r'0[xX]_?[\da-fA-F]+(?:_[\da-fA-F]+)*[lL]?'


@@ -334,8 +334,6 @@ def untokenize(iterable):
     ut = Untokenizer()
     return ut.untokenize(iterable)
 
     ut = Untokenizer()
     return ut.untokenize(iterable)
 

-InitialCategories = {'Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl', 'Mn', 'Mc', 'Nd', 'Pc'}
-

 def generate_tokens(readline):
     """
     The generate_tokens() generator requires one argument, readline, which
 def generate_tokens(readline):
     """
     The generate_tokens() generator requires one argument, readline, which


@@ -353,7 +351,7 @@ def generate_tokens(readline):
     logical line; continuation lines are included.
     """
     lnum = parenlev = continued = 0
     logical line; continuation lines are included.
     """
     lnum = parenlev = continued = 0

-    namechars, numchars = string.ascii_letters + '_', '0123456789'
+    numchars = '0123456789'

     contstr, needcont = '', 0
     contline = None
     indents = [0]
     contstr, needcont = '', 0
     contline = None
     indents = [0]


@@ -412,10 +410,6 @@ def generate_tokens(readline):
                 yield (NL, line[pos:], (lnum, pos), (lnum, len(line)), line)
                 continue
 
                 yield (NL, line[pos:], (lnum, pos), (lnum, len(line)), line)
                 continue
 

-            if column > indents[-1]:           # count indents
-                indents.append(column)
-                yield (INDENT, line[:pos], (lnum, 0), (lnum, pos), line)
-

             if line[pos] == '#':               # skip comments
                 comment_token = line[pos:].rstrip('\r\n')
                 nl_pos = pos + len(comment_token)
             if line[pos] == '#':               # skip comments
                 comment_token = line[pos:].rstrip('\r\n')
                 nl_pos = pos + len(comment_token)


@@ -425,6 +419,10 @@ def generate_tokens(readline):
                         (lnum, nl_pos), (lnum, len(line)), line)
                 continue
 
                         (lnum, nl_pos), (lnum, len(line)), line)
                 continue
 

+            if column > indents[-1]:           # count indents
+                indents.append(column)
+                yield (INDENT, line[:pos], (lnum, 0), (lnum, pos), line)
+

             while column < indents[-1]:        # count dedents
                 if column not in indents:
                     raise IndentationError(
             while column < indents[-1]:        # count dedents
                 if column not in indents:
                     raise IndentationError(


@@ -451,8 +449,6 @@ def generate_tokens(readline):
 
         while pos < max:
             pseudomatch = pseudoprog.match(line, pos)
 
         while pos < max:
             pseudomatch = pseudoprog.match(line, pos)

-            if not pseudomatch:
-                print('no pseudomatch')

             if pseudomatch:                                # scan for tokens
                 start, end = pseudomatch.span(1)
                 spos, epos, pos = (lnum, start), (lnum, end), end
             if pseudomatch:                                # scan for tokens
                 start, end = pseudomatch.span(1)
                 spos, epos, pos = (lnum, start), (lnum, end), end


@@ -508,8 +504,7 @@ def generate_tokens(readline):
                             yield stashed
                             stashed = None
                         yield (STRING, token, spos, epos, line)
                             yield stashed
                             stashed = None
                         yield (STRING, token, spos, epos, line)

-                elif (initial in namechars or              # ordinary name
-                      unicodedata.category(initial) in InitialCategories):
+                elif initial.isidentifier():               # ordinary name

                     if token in ('async', 'await'):
                         if async_def:
                             yield (ASYNC if token == 'async' else AWAIT,
                     if token in ('async', 'await'):
                         if async_def:
                             yield (ASYNC if token == 'async' else AWAIT,