mirror of https://github.com/python/cpython
54 lines
1.4 KiB
Python
54 lines
1.4 KiB
Python
import sys
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from pathlib import Path
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CPYTHON_ROOT = Path(__file__).resolve().parent.parent.parent.parent
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sys.path.append(str(CPYTHON_ROOT / "Parser"))
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from pygments.lexer import RegexLexer, bygroups, include, words
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from pygments.token import (Comment, Keyword, Name, Operator,
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Punctuation, Text)
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from asdl import builtin_types
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from sphinx.highlighting import lexers
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class ASDLLexer(RegexLexer):
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name = "ASDL"
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aliases = ["asdl"]
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filenames = ["*.asdl"]
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_name = r"([^\W\d]\w*)"
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_text_ws = r"(\s*)"
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tokens = {
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"ws": [
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(r"\n", Text),
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(r"\s+", Text),
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(r"--.*?$", Comment.Singleline),
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],
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"root": [
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include("ws"),
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(
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r"(module)" + _text_ws + _name,
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bygroups(Keyword, Text, Name.Tag),
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),
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(
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r"(\w+)(\*\s|\?\s|\s)(\w+)",
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bygroups(Name.Builtin.Pseudo, Operator, Name),
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),
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(words(builtin_types), Name.Builtin),
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(r"attributes", Name.Builtin),
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(
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_name + _text_ws + "(=)",
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bygroups(Name, Text, Operator),
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),
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(_name, Name.Class),
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(r"\|", Operator),
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(r"{|}|\(|\)", Punctuation),
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(r".", Text),
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],
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}
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def setup(app):
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lexers["asdl"] = ASDLLexer()
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return {'version': '1.0', 'parallel_read_safe': True}
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