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+# -*- coding: utf-8 -*-
+"""
+ pygments.lexers.oberon
+ ~~~~~~~~~~~~~~~~~~~~~~
+
+ Lexers for Oberon family languages.
+
+ :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from pygments.lexer import RegexLexer, include, words
+from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
+ Number, Punctuation
+
+__all__ = ['ComponentPascalLexer']
+
+
+class ComponentPascalLexer(RegexLexer):
+ """
+ For `Component Pascal <http://www.oberon.ch/pdf/CP-Lang.pdf>`_ source code.
+
+ .. versionadded:: 2.1
+ """
+ name = 'Component Pascal'
+ aliases = ['componentpascal', 'cp']
+ filenames = ['*.cp', '*.cps']
+ mimetypes = ['text/x-component-pascal']
+
+ flags = re.MULTILINE | re.DOTALL
+
+ tokens = {
+ 'root': [
+ include('whitespace'),
+ include('comments'),
+ include('punctuation'),
+ include('numliterals'),
+ include('strings'),
+ include('operators'),
+ include('builtins'),
+ include('identifiers'),
+ ],
+ 'whitespace': [
+ (r'\n+', Text), # blank lines
+ (r'\s+', Text), # whitespace
+ ],
+ 'comments': [
+ (r'\(\*([^\$].*?)\*\)', Comment.Multiline),
+ # TODO: nested comments (* (* ... *) ... (* ... *) *) not supported!
+ ],
+ 'punctuation': [
+ (r'[\(\)\[\]\{\},.:;\|]', Punctuation),
+ ],
+ 'numliterals': [
+ (r'[0-9A-F]+X\b', Number.Hex), # char code
+ (r'[0-9A-F]+[HL]\b', Number.Hex), # hexadecimal number
+ (r'[0-9]+\.[0-9]+E[+-][0-9]+', Number.Float), # real number
+ (r'[0-9]+\.[0-9]+', Number.Float), # real number
+ (r'[0-9]+', Number.Integer), # decimal whole number
+ ],
+ 'strings': [
+ (r"'[^\n']*'", String), # single quoted string
+ (r'"[^\n"]*"', String), # double quoted string
+ ],
+ 'operators': [
+ # Arithmetic Operators
+ (r'[+-]', Operator),
+ (r'[*/]', Operator),
+ # Relational Operators
+ (r'[=#<>]', Operator),
+ # Dereferencing Operator
+ (r'\^', Operator),
+ # Logical AND Operator
+ (r'&', Operator),
+ # Logical NOT Operator
+ (r'~', Operator),
+ # Assignment Symbol
+ (r':=', Operator),
+ # Range Constructor
+ (r'\.\.', Operator),
+ (r'\$', Operator),
+ ],
+ 'identifiers': [
+ (r'([a-zA-Z_\$][\w\$]*)', Name),
+ ],
+ 'builtins': [
+ (words((
+ 'ANYPTR', 'ANYREC', 'BOOLEAN', 'BYTE', 'CHAR', 'INTEGER', 'LONGINT',
+ 'REAL', 'SET', 'SHORTCHAR', 'SHORTINT', 'SHORTREAL'
+ ), suffix=r'\b'), Keyword.Type),
+ (words((
+ 'ABS', 'ABSTRACT', 'ARRAY', 'ASH', 'ASSERT', 'BEGIN', 'BITS', 'BY',
+ 'CAP', 'CASE', 'CHR', 'CLOSE', 'CONST', 'DEC', 'DIV', 'DO', 'ELSE',
+ 'ELSIF', 'EMPTY', 'END', 'ENTIER', 'EXCL', 'EXIT', 'EXTENSIBLE', 'FOR',
+ 'HALT', 'IF', 'IMPORT', 'IN', 'INC', 'INCL', 'IS', 'LEN', 'LIMITED',
+ 'LONG', 'LOOP', 'MAX', 'MIN', 'MOD', 'MODULE', 'NEW', 'ODD', 'OF',
+ 'OR', 'ORD', 'OUT', 'POINTER', 'PROCEDURE', 'RECORD', 'REPEAT', 'RETURN',
+ 'SHORT', 'SHORTCHAR', 'SHORTINT', 'SIZE', 'THEN', 'TYPE', 'TO', 'UNTIL',
+ 'VAR', 'WHILE', 'WITH'
+ ), suffix=r'\b'), Keyword.Reserved),
+ (r'(TRUE|FALSE|NIL|INF)\b', Keyword.Constant),
+ ]
+ }