| """ |
| 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), |
|
|
| ], |
| } |
|
|