105 lines
4.2 KiB
Python
105 lines
4.2 KiB
Python
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"""
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pygments.lexers.typst
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~~~~~~~~~~~~~~~~~~~~~
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Lexers for Typst language.
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:copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, words, bygroups, include
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from pygments.token import Comment, Keyword, Name, String, Punctuation, \
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Whitespace, Generic, Operator, Number, Text
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__all__ = ['TypstLexer']
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class TypstLexer(RegexLexer):
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"""
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For Typst code.
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"""
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name = 'Typst'
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aliases = ['typst']
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filenames = ['*.typ']
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mimetypes = ['text/x-typst']
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url = 'https://typst.app'
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version_added = '2.18'
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tokens = {
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'root': [
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include('markup'),
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],
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'common': [
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(r'[ \t]+', Whitespace),
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(r'((?!=[*_$`\-+0-9/<@\\#\[]|https?://).)+', Text),
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],
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'markup': [
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include('comment'),
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(r'^\s*=+.*$', Generic.Heading),
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(r'[*][^*]*[*]', Generic.Strong),
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(r'_[^_]*_', Generic.Emph),
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(r'\$', Punctuation, 'maths'),
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(r'`[^`]*`', String.Backtick), # inline code
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(r'^\s*-', Punctuation), # unnumbered list
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(r'^\s*\+', Punctuation), # numbered list
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(r'^\s*[0-9.]+', Punctuation), # numbered list variant
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(r'^(\s*/\s+)([^:]+)(:)', bygroups(Punctuation, Name.Variable, Punctuation)), # definitions
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(r'<[a-zA-Z_][a-zA-Z0-9_-]*>', Name.Label), # label
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(r'@[a-zA-Z_][a-zA-Z0-9_-]*', Name.Label), # reference
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(r'\\#', Text), # escaped
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(words(('#let', '#set', '#show'), suffix=r'\b'), Keyword.Declaration, 'inline_code'),
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(r'(#[a-zA-Z_][a-zA-Z0-9_]*)(\[)', bygroups(Name.Function, Punctuation), 'markup'),
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(r'(#[a-zA-Z_][a-zA-Z0-9_]*)(\()', bygroups(Name.Function, Punctuation), 'inline_code'),
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(r'#[a-zA-Z_][a-zA-Z0-9_]*', Name.Variable),
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(r'```(?:.|\n)*?```', String.Backtick), # code block
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(r'https?://[0-9a-zA-Z~/%#&=\',;.+?]*', Generic.Emph), # links
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(words((r'---', r'\\', r'~', r'--', r'...'), suffix=r'\b'), Punctuation), # special chars shorthand
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(r'\\\[', Punctuation), # escaped
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(r'\\\]', Punctuation), # escaped
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(r'\[', Punctuation, '#push'),
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(r'\]', Punctuation, '#pop'),
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include('common'),
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],
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'maths': [
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include('comment'),
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(words(('_', '^', '+', '-', '/', '*', '->', '<-', '!=', '=='),
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suffix=r'\b'), Operator),
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(words((r'\\', '$='), suffix=r'\b'), Operator), # maths markup operators
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(r'\\\$', Punctuation), # escaped
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(r'\$', Punctuation, '#pop'), # end of math mode
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include('code'),
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],
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'comment': [
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(r'//.*$', Comment.Single),
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(r'/[*](.|\n)*?[*]/', Comment.Multiline),
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],
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'code': [
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include('comment'),
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(r'\[', Punctuation, 'markup'),
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(r'\(|\{', Punctuation, 'code'),
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(r'\)|\}', Punctuation, '#pop'),
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(r'"[^"]*"', String.Double),
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(r'[=,]', Operator),
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(words(('and', 'or', 'not'), suffix=r'\b'), Operator.Word),
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(r'=>|<=|==|!=|>|<|-=|\+=|\*=|/=|\+|-|\\|\*', Operator), # comparisons
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(r'([a-zA-Z_][a-zA-Z0-9_]*)(:)', bygroups(Name.Variable, Punctuation), '#push'),
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(r'([a-zA-Z_][a-zA-Z0-9_]*)(\()', bygroups(Name.Function, Punctuation), '#push'),
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(words(('as', 'break', 'export', 'continue', 'else', 'for', 'if',
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'import', 'in', 'include', 'return', 'while'), suffix=r'\b'),
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Keyword.Reserved),
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(words(('auto', 'none', 'true', 'false'), suffix=r'\b'), Keyword.Constant),
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(r'([0-9.]+)(mm|pt|cm|in|em|fr|%)', bygroups(Number, Keyword.Reserved)),
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(words(('let', 'set', 'show'), suffix=r'\b'), Keyword.Declaration),
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# FIXME: make this work
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## (r'(import|include)( *)(")([^"])(")',
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## bygroups(Keyword.Reserved, Text, Punctuation, String.Double, Punctuation)),
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include('common'),
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],
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'inline_code': [
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(r';$', Punctuation, '#pop'),
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include('code'),
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],
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}
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