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| author | Marta Gómez Macías <mgmacias@google.com> | 2023-05-21 02:03:02 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-05-21 01:03:02 +0100 |
| commit | 6715f91edcf6f379f666e18f57b8a0dcb724bf79 (patch) | |
| tree | 25724d6eb5b8ff5e713f7bfd8f6c33e5a6d87f62 /Lib/token.py | |
| parent | 3ed57e4995d9f8583083483f397ddc3131720953 (diff) | |
| download | cpython-6715f91edcf6f379f666e18f57b8a0dcb724bf79.tar.gz cpython-6715f91edcf6f379f666e18f57b8a0dcb724bf79.zip | |
gh-102856: Python tokenizer implementation for PEP 701 (#104323)
This commit replaces the Python implementation of the tokenize module with an implementation
that reuses the real C tokenizer via a private extension module. The tokenize module now implements
a compatibility layer that transforms tokens from the C tokenizer into Python tokenize tokens for backward
compatibility.
As the C tokenizer does not emit some tokens that the Python tokenizer provides (such as comments and non-semantic newlines), a new special mode has been added to the C tokenizer mode that currently is only used via
the extension module that exposes it to the Python layer. This new mode forces the C tokenizer to emit these new extra tokens and add the appropriate metadata that is needed to match the old Python implementation.
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
Diffstat (limited to 'Lib/token.py')
| -rw-r--r-- | Lib/token.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Lib/token.py b/Lib/token.py index 1459d12b376..487f6edd3c9 100644 --- a/Lib/token.py +++ b/Lib/token.py @@ -67,10 +67,10 @@ SOFT_KEYWORD = 60 FSTRING_START = 61 FSTRING_MIDDLE = 62 FSTRING_END = 63 +COMMENT = 64 +NL = 65 # These aren't used by the C tokenizer but are needed for tokenize.py -ERRORTOKEN = 64 -COMMENT = 65 -NL = 66 +ERRORTOKEN = 66 ENCODING = 67 N_TOKENS = 68 # Special definitions for cooperation with parser |