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145 lines
5.2 KiB
Python
145 lines
5.2 KiB
Python
"""
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pygments.lexers.ada
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~~~~~~~~~~~~~~~~~~~
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Lexers for Ada family languages.
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:copyright: Copyright 2006-2025 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, include, bygroups, words, using, this, \
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default
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation
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from pygments.lexers._ada_builtins import KEYWORD_LIST, BUILTIN_LIST
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__all__ = ['AdaLexer']
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class AdaLexer(RegexLexer):
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"""
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For Ada source code.
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"""
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name = 'Ada'
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aliases = ['ada', 'ada95', 'ada2005']
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filenames = ['*.adb', '*.ads', '*.ada']
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mimetypes = ['text/x-ada']
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url = 'https://www.adaic.org'
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version_added = '1.3'
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flags = re.MULTILINE | re.IGNORECASE
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tokens = {
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'root': [
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(r'[^\S\n]+', Text),
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(r'--.*?\n', Comment.Single),
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(r'[^\S\n]+', Text),
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(r'function|procedure|entry', Keyword.Declaration, 'subprogram'),
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(r'(subtype|type)(\s+)(\w+)',
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bygroups(Keyword.Declaration, Text, Keyword.Type), 'type_def'),
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(r'task|protected', Keyword.Declaration),
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(r'(subtype)(\s+)', bygroups(Keyword.Declaration, Text)),
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(r'(end)(\s+)', bygroups(Keyword.Reserved, Text), 'end'),
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(r'(pragma)(\s+)(\w+)', bygroups(Keyword.Reserved, Text,
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Comment.Preproc)),
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(r'(true|false|null)\b', Keyword.Constant),
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# builtin types
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(words(BUILTIN_LIST, suffix=r'\b'), Keyword.Type),
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(r'(and(\s+then)?|in|mod|not|or(\s+else)|rem)\b', Operator.Word),
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(r'generic|private', Keyword.Declaration),
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(r'package', Keyword.Declaration, 'package'),
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(r'array\b', Keyword.Reserved, 'array_def'),
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(r'(with|use)(\s+)', bygroups(Keyword.Namespace, Text), 'import'),
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(r'(\w+)(\s*)(:)(\s*)(constant)',
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bygroups(Name.Constant, Text, Punctuation, Text,
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Keyword.Reserved)),
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(r'<<\w+>>', Name.Label),
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(r'(\w+)(\s*)(:)(\s*)(declare|begin|loop|for|while)',
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bygroups(Name.Label, Text, Punctuation, Text, Keyword.Reserved)),
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# keywords
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(words(KEYWORD_LIST, prefix=r'\b', suffix=r'\b'),
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Keyword.Reserved),
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(r'"[^"]*"', String),
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include('attribute'),
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include('numbers'),
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(r"'[^']'", String.Character),
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(r'(\w+)(\s*|[(,])', bygroups(Name, using(this))),
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(r"(<>|=>|:=|@|[\[\]]|[()|:;,.'])", Punctuation),
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(r'[*<>+=/&-]', Operator),
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(r'\n+', Text),
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],
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'numbers': [
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(r'[0-9_]+#[0-9a-f_\.]+#', Number.Hex),
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(r'[0-9_]+\.[0-9_]*', Number.Float),
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(r'[0-9_]+', Number.Integer),
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],
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'attribute': [
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(r"(')(\w+)", bygroups(Punctuation, Name.Attribute)),
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],
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'subprogram': [
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(r'\(', Punctuation, ('#pop', 'formal_part')),
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(r';', Punctuation, '#pop'),
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(r'is\b', Keyword.Reserved, '#pop'),
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(r'"[^"]+"|\w+', Name.Function),
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include('root'),
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],
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'end': [
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('(if|case|record|loop|select)', Keyword.Reserved),
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(r'"[^"]+"|[\w.]+', Name.Function),
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(r'\s+', Text),
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(';', Punctuation, '#pop'),
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],
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'type_def': [
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(r';', Punctuation, '#pop'),
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(r'\(', Punctuation, 'formal_part'),
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(r'\[', Punctuation, 'formal_part'),
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(r'with|and|use', Keyword.Reserved),
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(r'array\b', Keyword.Reserved, ('#pop', 'array_def')),
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(r'record\b', Keyword.Reserved, ('record_def')),
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(r'(null record)(;)', bygroups(Keyword.Reserved, Punctuation), '#pop'),
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include('root'),
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],
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'array_def': [
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(r';', Punctuation, '#pop'),
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(r'(\w+)(\s+)(range)', bygroups(Keyword.Type, Text, Keyword.Reserved)),
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include('root'),
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],
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'record_def': [
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(r'end record', Keyword.Reserved, '#pop'),
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include('root'),
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],
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'import': [
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# TODO: use Name.Namespace if appropriate. This needs
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# work to disinguish imports from aspects.
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(r'[\w.]+', Name, '#pop'),
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default('#pop'),
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],
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'formal_part': [
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(r'\)', Punctuation, '#pop'),
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(r'\]', Punctuation, '#pop'),
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(r'\w+', Name.Variable),
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(r',|:[^=]', Punctuation),
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(r'(in|not|null|out|access)\b', Keyword.Reserved),
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include('root'),
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],
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'package': [
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('body', Keyword.Declaration),
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(r'is\s+new|renames', Keyword.Reserved),
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('is', Keyword.Reserved, '#pop'),
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(';', Punctuation, '#pop'),
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(r'\(', Punctuation, 'package_instantiation'),
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(r'([\w.]+)', Name.Class),
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include('root'),
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],
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'package_instantiation': [
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(r'("[^"]+"|\w+)(\s+)(=>)', bygroups(Name.Variable, Text, Punctuation)),
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(r'[\w.\'"]', Text),
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(r'\)', Punctuation, '#pop'),
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include('root'),
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],
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}
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