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113 lines
3.8 KiB
113 lines
3.8 KiB
5 days ago
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# -*- coding: utf-8 -*-
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"""
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pygments.lexers.chapel
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~~~~~~~~~~~~~~~~~~~~~~
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Lexer for the Chapel language.
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:copyright: Copyright 2006-2019 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__ = ['ChapelLexer']
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class ChapelLexer(RegexLexer):
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"""
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For `Chapel <http://chapel.cray.com/>`_ source.
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.. versionadded:: 2.0
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"""
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name = 'Chapel'
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filenames = ['*.chpl']
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aliases = ['chapel', 'chpl']
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# mimetypes = ['text/x-chapel']
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tokens = {
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'root': [
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(r'\n', Text),
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(r'\s+', Text),
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(r'\\\n', Text),
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(r'//(.*?)\n', Comment.Single),
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(r'/(\\\n)?[*](.|\n)*?[*](\\\n)?/', Comment.Multiline),
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(r'(config|const|in|inout|out|param|ref|type|var)\b',
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Keyword.Declaration),
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(r'(false|nil|none|true)\b', Keyword.Constant),
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(r'(bool|bytes|complex|imag|int|nothing|opaque|range|real|string|uint|void)\b',
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Keyword.Type),
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(words((
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'align', 'as', 'atomic',
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'begin', 'borrowed', 'break', 'by',
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'catch', 'cobegin', 'coforall', 'continue',
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'defer', 'delete', 'dmapped', 'do', 'domain',
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'else', 'enum', 'except', 'export', 'extern',
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'for', 'forall', 'forwarding',
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'if', 'index', 'init', 'inline',
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'label', 'lambda', 'let', 'lifetime', 'local', 'locale'
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'new', 'noinit',
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'on', 'only', 'otherwise', 'override', 'owned',
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'pragma', 'private', 'prototype', 'public',
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'reduce', 'require', 'return',
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'scan', 'select', 'serial', 'shared', 'single', 'sparse', 'subdomain', 'sync',
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'then', 'this', 'throw', 'throws', 'try',
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'unmanaged', 'use',
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'when', 'where', 'while', 'with',
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'yield',
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'zip'), suffix=r'\b'),
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Keyword),
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(r'(iter)((?:\s)+)', bygroups(Keyword, Text), 'procname'),
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(r'(proc)((?:\s)+)', bygroups(Keyword, Text), 'procname'),
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(r'(class|module|record|union)(\s+)', bygroups(Keyword, Text),
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'classname'),
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# imaginary integers
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(r'\d+i', Number),
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(r'\d+\.\d*([Ee][-+]\d+)?i', Number),
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(r'\.\d+([Ee][-+]\d+)?i', Number),
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(r'\d+[Ee][-+]\d+i', Number),
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# reals cannot end with a period due to lexical ambiguity with
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# .. operator. See reference for rationale.
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(r'(\d*\.\d+)([eE][+-]?[0-9]+)?i?', Number.Float),
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(r'\d+[eE][+-]?[0-9]+i?', Number.Float),
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# integer literals
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# -- binary
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(r'0[bB][01]+', Number.Bin),
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# -- hex
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(r'0[xX][0-9a-fA-F]+', Number.Hex),
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# -- octal
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(r'0[oO][0-7]+', Number.Oct),
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# -- decimal
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(r'[0-9]+', Number.Integer),
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# strings
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(r'"(\\\\|\\"|[^"])*"', String),
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(r"'(\\\\|\\'|[^'])*'", String),
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# tokens
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(r'(=|\+=|-=|\*=|/=|\*\*=|%=|&=|\|=|\^=|&&=|\|\|=|<<=|>>=|'
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r'<=>|<~>|\.\.|by|#|\.\.\.|'
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r'&&|\|\||!|&|\||\^|~|<<|>>|'
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r'==|!=|<=|>=|<|>|'
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r'[+\-*/%]|\*\*)', Operator),
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(r'[:;,.?()\[\]{}]', Punctuation),
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# identifiers
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(r'[a-zA-Z_][\w$]*', Name.Other),
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],
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'classname': [
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(r'[a-zA-Z_][\w$]*', Name.Class, '#pop'),
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],
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'procname': [
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(r'([a-zA-Z_][.\w$]*|\~[a-zA-Z_][.\w$]*|[+*/!~%<>=&^|\-]{1,2})',
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Name.Function, '#pop'),
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],
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}
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