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GH-121970: Combine custom Pygments lexers into a package
  • Loading branch information
AA-Turner committed Jul 18, 2024
commit b380c7143ccf357a0da581767730475d29a89479
3 changes: 1 addition & 2 deletions Doc/conf.py
Original file line number Diff line number Diff line change
Expand Up @@ -18,11 +18,10 @@
# ---------------------

extensions = [
'asdl_highlight',
'c_annotations',
'escape4chm',
'glossary_search',
'peg_highlight',
'lexers',
'pyspecific',
'sphinx.ext.coverage',
'sphinx.ext.doctest',
Expand Down
15 changes: 15 additions & 0 deletions Doc/tools/extensions/lexers/__init__.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
from .asdl_lexer import ASDLLexer
from .peg_lexer import PEGLexer


def setup(app):
# Used for highlighting Parser/Python.asdl in library/ast.rst
app.add_lexer("asdl", ASDLLexer)
# Used for highlighting Grammar/python.gram in reference/grammar.rst
app.add_lexer("peg", PEGLexer)

return {
"version": "1.0",
"parallel_read_safe": True,
"parallel_write_safe": True,
}
Original file line number Diff line number Diff line change
@@ -1,15 +1,6 @@
import sys
from pathlib import Path
from pygments.lexer import RegexLexer, bygroups, include
from pygments.token import Comment, Keyword, Name, Operator, Punctuation, Text

CPYTHON_ROOT = Path(__file__).resolve().parent.parent.parent.parent
sys.path.append(str(CPYTHON_ROOT / "Parser"))

from pygments.lexer import RegexLexer, bygroups, include, words
from pygments.token import (Comment, Keyword, Name, Operator,
Punctuation, Text)

from asdl import builtin_types
from sphinx.highlighting import lexers

class ASDLLexer(RegexLexer):
name = "ASDL"
Expand All @@ -34,7 +25,10 @@ class ASDLLexer(RegexLexer):
r"(\w+)(\*\s|\?\s|\s)(\w+)",
bygroups(Name.Builtin.Pseudo, Operator, Name),
),
(words(builtin_types), Name.Builtin),
# Keep in line with ``builtin_types`` from Parser/asdl.py.
# ASDL's 4 builtin types are
# identifier, int, string, constant
('constant|identifier|int|string', Name.Builtin),
Comment thread
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(r"attributes", Name.Builtin),
(
_name + _text_ws + "(=)",
Expand All @@ -46,8 +40,3 @@ class ASDLLexer(RegexLexer):
(r".", Text),
],
}


def setup(app):
lexers["asdl"] = ASDLLexer()
return {'version': '1.0', 'parallel_read_safe': True}
Original file line number Diff line number Diff line change
@@ -1,8 +1,6 @@
from pygments.lexer import RegexLexer, bygroups, include
from pygments.token import Comment, Keyword, Name, Operator, Punctuation, Text

from sphinx.highlighting import lexers


class PEGLexer(RegexLexer):
"""Pygments Lexer for PEG grammar (.gram) files
Expand Down Expand Up @@ -79,8 +77,3 @@ class PEGLexer(RegexLexer):
(r".", Text),
],
}


def setup(app):
lexers["peg"] = PEGLexer()
return {"version": "1.0", "parallel_read_safe": True}