Quelle oberon.py Sprache: Python

"""
    pygments.lexers.oberon
    ~~~~~~~~~~~~~~~~~~~~~~

    Lexers for Oberon family languages.

    :copyright: Copyright 2006-2024 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 source code.
    """
    name = 'Component Pascal'
    aliases = ['componentpascal', 'cp']
    filenames = ['*.cp', '*.cps']
    mimetypes = ['text/x-component-pascal']
    url = 'https://blackboxframework.org'
    version_added = '2.1'

    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),
        ]
    }

    def analyse_text(text):
        """The only other lexer using .cp is the C++ one, so we check if for
        a few common Pascal keywords here. Those are unfortunately quite
        common across various business languages as well."""
        result = 0
        if 'BEGIN' in text:
            result += 0.01
        if 'END' in text:
            result += 0.01
        if 'PROCEDURE' in text:
            result += 0.01
        if 'END' in text:
            result += 0.01

        return result

quality70%

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.