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105 lines
2.8 KiB
105 lines
2.8 KiB
# -*- coding: utf-8 -*-
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"""
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pygments.lexers.bare
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~~~~~~~~~~~~~~~~~~~~
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Lexer for the BARE schema.
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:copyright: Copyright 2006-2020 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import RegexLexer, words, bygroups
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from pygments.token import Text, Comment, Keyword, Name, Literal
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__all__ = ['BareLexer']
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class BareLexer(RegexLexer):
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"""
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For `BARE schema <https://baremessages.org>`_ schema source.
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.. versionadded:: 2.7
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"""
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name = 'BARE'
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filenames = ['*.bare']
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aliases = ['bare']
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flags = re.MULTILINE | re.UNICODE
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keywords = [
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'type',
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'enum',
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'u8',
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'u16',
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'u32',
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'u64',
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'uint',
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'i8',
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'i16',
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'i32',
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'i64',
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'int',
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'f32',
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'f64',
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'bool',
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'void',
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'data',
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'string',
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'optional',
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'map',
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]
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tokens = {
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'root': [
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(r'(type)(\s+)([A-Z][a-zA-Z0-9]+)(\s+\{)',
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bygroups(Keyword, Text, Name.Class, Text), 'struct'),
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(r'(type)(\s+)([A-Z][a-zA-Z0-9]+)(\s+\()',
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bygroups(Keyword, Text, Name.Class, Text), 'union'),
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(r'(type)(\s+)([A-Z][a-zA-Z0-9]+)(\s+)',
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bygroups(Keyword, Text, Name, Text), 'typedef'),
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(r'(enum)(\s+)([A-Z][a-zA-Z0-9]+)(\s+\{)',
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bygroups(Keyword, Text, Name.Class, Text), 'enum'),
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(r'#.*?$', Comment),
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(r'\s+', Text),
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],
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'struct': [
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(r'\{', Text, '#push'),
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(r'\}', Text, '#pop'),
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(r'([a-zA-Z0-9]+)(:\s*)', bygroups(Name.Attribute, Text), 'typedef'),
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(r'\s+', Text),
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],
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'union': [
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(r'\)', Text, '#pop'),
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(r'\s*\|\s*', Text),
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(r'[A-Z][a-zA-Z0-9]+', Name.Class),
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(words(keywords), Keyword),
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(r'\s+', Text),
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],
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'typedef': [
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(r'\[\]', Text),
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(r'#.*?$', Comment, '#pop'),
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(r'(\[)(\d+)(\])', bygroups(Text, Literal, Text)),
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(r'<|>', Text),
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(r'\(', Text, 'union'),
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(r'(\[)([a-z][a-z-A-Z0-9]+)(\])', bygroups(Text, Keyword, Text)),
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(r'(\[)([A-Z][a-z-A-Z0-9]+)(\])', bygroups(Text, Name.Class, Text)),
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(r'([A-Z][a-z-A-Z0-9]+)', Name.Class),
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(words(keywords), Keyword),
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(r'\n', Text, '#pop'),
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(r'\{', Text, 'struct'),
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(r'\s+', Text),
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(r'\d+', Literal),
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],
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'enum': [
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(r'\{', Text, '#push'),
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(r'\}', Text, '#pop'),
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(r'([A-Z][A-Z0-9_]*)(\s*=\s*)(\d+)', bygroups(Name.Attribute, Text, Literal)),
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(r'([A-Z][A-Z0-9_]*)', bygroups(Name.Attribute)),
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(r'#.*?$', Comment),
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(r'\s+', Text),
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],
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}
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