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from pygments.lexer import RegexLexer, bygroups, include
from pygments.token import Comment, Keyword, Name, Operator, Punctuation, Text
class ASDLLexer(RegexLexer):
name = "ASDL"
aliases = ["asdl"]
filenames = ["*.asdl"]
_name = r"([^\W\d]\w*)"
_text_ws = r"(\s*)"
tokens = {
"ws": [
(r"\n", Text),
(r"\s+", Text),
(r"--.*?$", Comment.Singleline),
],
"root": [
include("ws"),
(
r"(module)" + _text_ws + _name,
bygroups(Keyword, Text, Name.Tag),
),
(
r"(\w+)(\*\s|\?\s|\s)(\w+)",
bygroups(Name.Builtin.Pseudo, Operator, Name),
),
# Keep in line with ``builtin_types`` from Parser/asdl.py.
# ASDL's 4 builtin types are
# constant, identifier, int, string
("constant|identifier|int|string", Name.Builtin),
(r"attributes", Name.Builtin),
(
_name + _text_ws + "(=)",
bygroups(Name, Text, Operator),
),
(_name, Name.Class),
(r"\|", Operator),
(r"{|}|\(|\)", Punctuation),
(r".", Text),
],
}
|
