Quelle comal.py Sprache: Python

"""
    pygments.lexers.comal
    ~~~~~~~~~~~~~~~~~~~~~

    Lexer for COMAL-80.

    :copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

import re

from pygments.lexer import RegexLexer, words
from pygments.token import Comment, Whitespace, Operator, Keyword, String, \
    Number, Name, Punctuation

__all__ = ["Comal80Lexer"]

class Comal80Lexer(RegexLexer):
    """
    For COMAL-80 source code.
    """

    name = 'COMAL-80'
    url = 'https://en.wikipedia.org/wiki/COMAL'
    aliases = ['comal', 'comal80']
    filenames = ['*.cml', '*.comal']
    version_added = ''
    flags = re.IGNORECASE
    #
    # COMAL allows for some strange characters in names which we list here so
    # keywords and word operators will not be recognized at the start of an
    # identifier.
    #
    _suffix = r"\b(?!['\[\]←£\\])"
    _identifier = r"[a-z]['\[\]←£\\\w]*"

    tokens = {
        'root': [
            (r'//.*\n', Comment.Single),
            (r'\s+', Whitespace),
            (r':[=+-]|\<\>|[-+*/^↑<>=]', Operator),
            (r'(and +then|or +else)' + _suffix, Operator.Word),
            (words([
                'and', 'bitand', 'bitor', 'bitxor', 'div', 'in', 'mod', 'not',
                'or'], suffix=_suffix,), Operator.Word),
            (words([
                'append', 'at', 'case', 'chain', 'close', 'copy', 'create', 'cursor',
                'data', 'delete', 'dir', 'do', 'elif', 'else', 'end', 'endcase', 'endif',
                'endfor', 'endloop', 'endtrap', 'endwhile', 'exec', 'exit', 'file',
                'for', 'goto', 'handler', 'if', 'input', 'let', 'loop', 'mount', 'null',
                'of', 'open', 'otherwise', 'output', 'page', 'pass', 'poke', 'print',
                'random', 'read', 'repeat', 'report', 'return', 'rename', 'restore',
                'select', 'step', 'stop', 'sys', 'then', 'to', 'trap', 'unit', 'unit$',
                'until', 'using', 'when', 'while', 'write', 'zone'], suffix=_suffix),
                Keyword.Reserved),
            (words([
                'closed', 'dim', 'endfunc', 'endproc', 'external', 'func', 'import',
                'proc', 'ref', 'use'], suffix=_suffix), Keyword.Declaration),
            (words([
                'abs', 'atn', 'chr$', 'cos', 'eod', 'eof', 'err', 'errfile', 'errtext',
                'esc', 'exp', 'int', 'key$', 'len', 'log', 'ord', 'peek', 'randomize',
                'rnd', 'sgn', 'sin', 'spc$', 'sqr', 'status$', 'str$', 'tab', 'tan',
                'time', 'val'], suffix=_suffix), Name.Builtin),
            (words(['false', 'pi', 'true'], suffix=_suffix), Keyword.Constant),
            (r'"', String, 'string'),
            (_identifier + r":(?=[ \n/])", Name.Label),
            (_identifier + r"[$#]?", Name),
            (r'%[01]+', Number.Bin),
            (r'\$[0-9a-f]+', Number.Hex),
            (r'\d*\.\d*(e[-+]?\d+)?', Number.Float),
            (r'\d+', Number.Integer),
            (r'[(),:;]', Punctuation),
        ],
        'string': [
            (r'[^"]+', String),
            (r'"[0-9]*"', String.Escape),
            (r'"', String, '#pop'),
        ],
    }

quality34%

¤ Dauer der Verarbeitung: 0.5 Sekunden ¤

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.