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venv/Lib/site-packages/pygments/lexers/eiffel.py

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+# -*- coding: utf-8 -*-
+"""
+    pygments.lexers.eiffel
+    ~~~~~~~~~~~~~~~~~~~~~~
+
+    Lexer for the Eiffel language.
+
+    :copyright: Copyright 2006-2020 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import RegexLexer, include, words
+from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
+    Number, Punctuation
+
+__all__ = ['EiffelLexer']
+
+
+class EiffelLexer(RegexLexer):
+    """
+    For `Eiffel <http://www.eiffel.com>`_ source code.
+
+    .. versionadded:: 2.0
+    """
+    name = 'Eiffel'
+    aliases = ['eiffel']
+    filenames = ['*.e']
+    mimetypes = ['text/x-eiffel']
+
+    tokens = {
+        'root': [
+            (r'[^\S\n]+', Text),
+            (r'--.*?\n', Comment.Single),
+            (r'[^\S\n]+', Text),
+            # Please note that keyword and operator are case insensitive.
+            (r'(?i)(true|false|void|current|result|precursor)\b', Keyword.Constant),
+            (r'(?i)(and(\s+then)?|not|xor|implies|or(\s+else)?)\b', Operator.Word),
+            (words((
+                'across', 'agent', 'alias', 'all', 'as', 'assign', 'attached',
+                'attribute', 'check', 'class', 'convert', 'create', 'debug',
+                'deferred', 'detachable', 'do', 'else', 'elseif', 'end', 'ensure',
+                'expanded', 'export', 'external', 'feature', 'from', 'frozen', 'if',
+                'inherit', 'inspect', 'invariant', 'like', 'local', 'loop', 'none',
+                'note', 'obsolete', 'old', 'once', 'only', 'redefine', 'rename',
+                'require', 'rescue', 'retry', 'select', 'separate', 'then',
+                'undefine', 'until', 'variant', 'when'), prefix=r'(?i)\b', suffix=r'\b'),
+             Keyword.Reserved),
+            (r'"\[(([^\]%]|\n)|%(.|\n)|\][^"])*?\]"', String),
+            (r'"([^"%\n]|%.)*?"', String),
+            include('numbers'),
+            (r"'([^'%]|%'|%%)'", String.Char),
+            (r"(//|\\\\|>=|<=|:=|/=|~|/~|[\\?!#%&@|+/\-=>*$<^\[\]])", Operator),
+            (r"([{}():;,.])", Punctuation),
+            (r'([a-z]\w*)|([A-Z][A-Z0-9_]*[a-z]\w*)', Name),
+            (r'([A-Z][A-Z0-9_]*)', Name.Class),
+            (r'\n+', Text),
+        ],
+        'numbers': [
+            (r'0[xX][a-fA-F0-9]+', Number.Hex),
+            (r'0[bB][01]+', Number.Bin),
+            (r'0[cC][0-7]+', Number.Oct),
+            (r'([0-9]+\.[0-9]*)|([0-9]*\.[0-9]+)', Number.Float),
+            (r'[0-9]+', Number.Integer),
+        ],
+    }