diff -r 28146736bbfc -r 82b608e352ec eric6/ThirdParty/Pygments/pygments/lexers/bibtex.py
--- a/eric6/ThirdParty/Pygments/pygments/lexers/bibtex.py Tue Apr 20 19:47:39 2021 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,160 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
- pygments.lexers.bibtex
- ~~~~~~~~~~~~~~~~~~~~~~
-
- Lexers for BibTeX bibliography data and styles
-
- :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
- :license: BSD, see LICENSE for details.
-"""
-
-import re
-
-from pygments.lexer import RegexLexer, ExtendedRegexLexer, include, default, \
- words
-from pygments.token import Name, Comment, String, Error, Number, Text, \
- Keyword, Punctuation
-
-__all__ = ['BibTeXLexer', 'BSTLexer']
-
-
-class BibTeXLexer(ExtendedRegexLexer):
- """
- A lexer for BibTeX bibliography data format.
-
- .. versionadded:: 2.2
- """
-
- name = 'BibTeX'
- aliases = ['bib', 'bibtex']
- filenames = ['*.bib']
- mimetypes = ["text/x-bibtex"]
- flags = re.IGNORECASE
-
- ALLOWED_CHARS = r'@!$&*+\-./:;<>?\[\\\]^`|~'
- IDENTIFIER = '[{}][{}]*'.format('a-z_' + ALLOWED_CHARS, r'\w' + ALLOWED_CHARS)
-
- def open_brace_callback(self, match, ctx):
- opening_brace = match.group()
- ctx.opening_brace = opening_brace
- yield match.start(), Punctuation, opening_brace
- ctx.pos = match.end()
-
- def close_brace_callback(self, match, ctx):
- closing_brace = match.group()
- if (
- ctx.opening_brace == '{' and closing_brace != '}' or
- ctx.opening_brace == '(' and closing_brace != ')'
- ):
- yield match.start(), Error, closing_brace
- else:
- yield match.start(), Punctuation, closing_brace
- del ctx.opening_brace
- ctx.pos = match.end()
-
- tokens = {
- 'root': [
- include('whitespace'),
- ('@comment', Comment),
- ('@preamble', Name.Class, ('closing-brace', 'value', 'opening-brace')),
- ('@string', Name.Class, ('closing-brace', 'field', 'opening-brace')),
- ('@' + IDENTIFIER, Name.Class,
- ('closing-brace', 'command-body', 'opening-brace')),
- ('.+', Comment),
- ],
- 'opening-brace': [
- include('whitespace'),
- (r'[{(]', open_brace_callback, '#pop'),
- ],
- 'closing-brace': [
- include('whitespace'),
- (r'[})]', close_brace_callback, '#pop'),
- ],
- 'command-body': [
- include('whitespace'),
- (r'[^\s\,\}]+', Name.Label, ('#pop', 'fields')),
- ],
- 'fields': [
- include('whitespace'),
- (',', Punctuation, 'field'),
- default('#pop'),
- ],
- 'field': [
- include('whitespace'),
- (IDENTIFIER, Name.Attribute, ('value', '=')),
- default('#pop'),
- ],
- '=': [
- include('whitespace'),
- ('=', Punctuation, '#pop'),
- ],
- 'value': [
- include('whitespace'),
- (IDENTIFIER, Name.Variable),
- ('"', String, 'quoted-string'),
- (r'\{', String, 'braced-string'),
- (r'[\d]+', Number),
- ('#', Punctuation),
- default('#pop'),
- ],
- 'quoted-string': [
- (r'\{', String, 'braced-string'),
- ('"', String, '#pop'),
- (r'[^\{\"]+', String),
- ],
- 'braced-string': [
- (r'\{', String, '#push'),
- (r'\}', String, '#pop'),
- (r'[^\{\}]+', String),
- ],
- 'whitespace': [
- (r'\s+', Text),
- ],
- }
-
-
-class BSTLexer(RegexLexer):
- """
- A lexer for BibTeX bibliography styles.
-
- .. versionadded:: 2.2
- """
-
- name = 'BST'
- aliases = ['bst', 'bst-pybtex']
- filenames = ['*.bst']
- flags = re.IGNORECASE | re.MULTILINE
-
- tokens = {
- 'root': [
- include('whitespace'),
- (words(['read', 'sort']), Keyword),
- (words(['execute', 'integers', 'iterate', 'reverse', 'strings']),
- Keyword, ('group')),
- (words(['function', 'macro']), Keyword, ('group', 'group')),
- (words(['entry']), Keyword, ('group', 'group', 'group')),
- ],
- 'group': [
- include('whitespace'),
- (r'\{', Punctuation, ('#pop', 'group-end', 'body')),
- ],
- 'group-end': [
- include('whitespace'),
- (r'\}', Punctuation, '#pop'),
- ],
- 'body': [
- include('whitespace'),
- (r"\'[^#\"\{\}\s]+", Name.Function),
- (r'[^#\"\{\}\s]+\$', Name.Builtin),
- (r'[^#\"\{\}\s]+', Name.Variable),
- (r'"[^\"]*"', String),
- (r'#-?\d+', Number),
- (r'\{', Punctuation, ('group-end', 'body')),
- default('#pop'),
- ],
- 'whitespace': [
- (r'\s+', Text),
- ('%.*?$', Comment.SingleLine),
- ],
- }
