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94 lines
3.2 KiB
94 lines
3.2 KiB
4 years ago
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"""
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pygments.lexers.pony
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~~~~~~~~~~~~~~~~~~~~
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Lexers for Pony and related languages.
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:copyright: Copyright 2006-2021 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, bygroups, words
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation
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__all__ = ['PonyLexer']
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class PonyLexer(RegexLexer):
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"""
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For Pony source code.
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.. versionadded:: 2.4
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"""
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name = 'Pony'
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aliases = ['pony']
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filenames = ['*.pony']
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_caps = r'(iso|trn|ref|val|box|tag)'
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tokens = {
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'root': [
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(r'\n', Text),
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(r'[^\S\n]+', Text),
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(r'//.*\n', Comment.Single),
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(r'/\*', Comment.Multiline, 'nested_comment'),
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(r'"""(?:.|\n)*?"""', String.Doc),
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(r'"', String, 'string'),
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(r'\'.*\'', String.Char),
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(r'=>|[]{}:().~;,|&!^?[]', Punctuation),
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(words((
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'addressof', 'and', 'as', 'consume', 'digestof', 'is', 'isnt',
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'not', 'or'),
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suffix=r'\b'),
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Operator.Word),
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(r'!=|==|<<|>>|[-+/*%=<>]', Operator),
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(words((
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'box', 'break', 'compile_error', 'compile_intrinsic',
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'continue', 'do', 'else', 'elseif', 'embed', 'end', 'error',
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'for', 'if', 'ifdef', 'in', 'iso', 'lambda', 'let', 'match',
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'object', 'recover', 'ref', 'repeat', 'return', 'tag', 'then',
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'this', 'trn', 'try', 'until', 'use', 'var', 'val', 'where',
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'while', 'with', '#any', '#read', '#send', '#share'),
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suffix=r'\b'),
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Keyword),
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(r'(actor|class|struct|primitive|interface|trait|type)((?:\s)+)',
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bygroups(Keyword, Text), 'typename'),
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(r'(new|fun|be)((?:\s)+)', bygroups(Keyword, Text), 'methodname'),
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(words((
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'I8', 'U8', 'I16', 'U16', 'I32', 'U32', 'I64', 'U64', 'I128',
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'U128', 'ILong', 'ULong', 'ISize', 'USize', 'F32', 'F64',
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'Bool', 'Pointer', 'None', 'Any', 'Array', 'String',
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'Iterator'),
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suffix=r'\b'),
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Name.Builtin.Type),
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(r'_?[A-Z]\w*', Name.Type),
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(r'(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+', Number.Float),
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(r'0x[0-9a-fA-F]+', Number.Hex),
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(r'\d+', Number.Integer),
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(r'(true|false)\b', Name.Builtin),
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(r'_\d*', Name),
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(r'_?[a-z][\w\']*', Name)
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],
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'typename': [
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(_caps + r'?((?:\s)*)(_?[A-Z]\w*)',
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bygroups(Keyword, Text, Name.Class), '#pop')
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],
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'methodname': [
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(_caps + r'?((?:\s)*)(_?[a-z]\w*)',
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bygroups(Keyword, Text, Name.Function), '#pop')
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],
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'nested_comment': [
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(r'[^*/]+', Comment.Multiline),
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(r'/\*', Comment.Multiline, '#push'),
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(r'\*/', Comment.Multiline, '#pop'),
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(r'[*/]', Comment.Multiline)
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],
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'string': [
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(r'"', String, '#pop'),
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(r'\\"', String),
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(r'[^\\"]+', String)
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]
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}
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