|
""" |
|
pygments.lexers.gleam |
|
~~~~~~~~~~~~~~~~~~~~~ |
|
|
|
Lexer for the Gleam programming language. |
|
|
|
:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS. |
|
:license: BSD, see LICENSE for details. |
|
""" |
|
|
|
from pygments.lexer import RegexLexer, words, bygroups |
|
from pygments.token import Comment, Operator, Keyword, Name, String, \ |
|
Number, Punctuation, Whitespace |
|
|
|
__all__ = ['GleamLexer'] |
|
|
|
|
|
class GleamLexer(RegexLexer): |
|
""" |
|
Lexer for the Gleam programming language (version 1.0.0). |
|
""" |
|
|
|
name = 'Gleam' |
|
url = 'https://gleam.run/' |
|
filenames = ['*.gleam'] |
|
aliases = ['gleam'] |
|
mimetypes = ['text/x-gleam'] |
|
version_added = '2.19' |
|
|
|
keywords = words(( |
|
'as', 'assert', 'auto', 'case', 'const', 'delegate', 'derive', 'echo', |
|
'else', 'fn', 'if', 'implement', 'import', 'let', 'macro', 'opaque', |
|
'panic', 'pub', 'test', 'todo', 'type', 'use', |
|
), suffix=r'\b') |
|
|
|
tokens = { |
|
'root': [ |
|
|
|
(r'(///.*?)(\n)', bygroups(String.Doc, Whitespace)), |
|
(r'(//.*?)(\n)', bygroups(Comment.Single, Whitespace)), |
|
|
|
|
|
(keywords, Keyword), |
|
(r'([a-zA-Z_]+)(\.)', bygroups(Keyword, Punctuation)), |
|
|
|
|
|
(r'[()\[\]{}:;,@]+', Punctuation), |
|
(r'(#|!=|!|==|\|>|\|\||\||\->|<\-|&&|<<|>>|\.\.|\.|=)', Punctuation), |
|
|
|
|
|
(r'(<>|\+\.?|\-\.?|\*\.?|/\.?|%\.?|<=\.?|>=\.?|<\.?|>\.?|=)', Operator), |
|
|
|
|
|
(r'"(\\"|[^"])*"', String), |
|
|
|
|
|
(r'\b(let)(\s+)(\w+)', bygroups(Keyword, Whitespace, Name.Variable)), |
|
(r'\b(fn)(\s+)(\w+)', bygroups(Keyword, Whitespace, Name.Function)), |
|
(r'[a-zA-Z_/]\w*', Name), |
|
|
|
|
|
(r'(\d+(_\d+)*\.(?!\.)(\d+(_\d+)*)?|\.\d+(_\d+)*)([eEf][+-]?[0-9]+)?', Number.Float), |
|
(r'\d+(_\d+)*[eEf][+-]?[0-9]+', Number.Float), |
|
(r'0[xX][a-fA-F0-9]+(_[a-fA-F0-9]+)*(\.([a-fA-F0-9]+(_[a-fA-F0-9]+)*)?)?p[+-]?\d+', Number.Float), |
|
(r'0[bB][01]+(_[01]+)*', Number.Bin), |
|
(r'0[oO][0-7]+(_[0-7]+)*', Number.Oct), |
|
(r'0[xX][a-fA-F0-9]+(_[a-fA-F0-9]+)*', Number.Hex), |
|
(r'\d+(_\d+)*', Number.Integer), |
|
|
|
|
|
(r'\s+', Whitespace), |
|
|
|
], |
|
} |
|
|