Anforderungen  |   Konzepte  |   Entwurf  |   Entwicklung  |   Qualitätssicherung  |   Lebenszyklus  |   Steuerung
 
 
 
 


Quelle  urbi.py   Sprache: Python

 
"""
    pygments.lexers.urbi
    ~~~~~~~~~~~~~~~~~~~~

    Lexers for UrbiScript language.

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

import re

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

__all__ = ['UrbiscriptLexer']


class UrbiscriptLexer(ExtendedRegexLexer):
    """
    For UrbiScript source code.
    """

    name = 'UrbiScript'
    aliases = ['urbiscript']
    filenames = ['*.u']
    mimetypes = ['application/x-urbiscript']
    url = 'https://github.com/urbiforge/urbi'
    version_added = '1.5'

    flags = re.DOTALL

    # TODO
    # - handle Experimental and deprecated tags with specific tokens
    # - handle Angles and Durations with specific tokens

    def blob_callback(lexer, match, ctx):
        text_before_blob = match.group(1)
        blob_start = match.group(2)
        blob_size_str = match.group(3)
        blob_size = int(blob_size_str)
        yield match.start(), String, text_before_blob
        ctx.pos += len(text_before_blob)

        # if blob size doesn't match blob format (example : "\B(2)(aaa)")
        # yield blob as a string
        if ctx.text[match.end() + blob_size] != ")":
            result = "\\B(" + blob_size_str + ")("
            yield match.start(), String, result
            ctx.pos += len(result)
            return

        # if blob is well formatted, yield as Escape
        blob_text = blob_start + ctx.text[match.end():match.end()+blob_size] + ")"
        yield match.start(), String.Escape, blob_text
        ctx.pos = match.end() + blob_size + 1  # +1 is the ending ")"

    tokens = {
        'root': [
            (r'\s+', Text),
            # comments
            (r'//.*?\n', Comment),
            (r'/\*', Comment.Multiline, 'comment'),
            (r'(every|for|loop|while)(?:;|&|\||,)', Keyword),
            (words((
                'assert''at''break''case''catch''closure''compl',
                'continue''default''else''enum''every''external',
                'finally''for''freezeif''if''new''onleave''return',
                'stopif''switch''this''throw''timeout''try',
                'waituntil''whenever''while'), suffix=r'\b'),
             Keyword),
            (words((
                'asm''auto''bool''char''const_cast''delete''double',
                'dynamic_cast''explicit''export''extern''float''friend',
                'goto''inline''int''long''mutable''namespace''register',
                'reinterpret_cast''short''signed''sizeof''static_cast',
                'struct''template''typedef''typeid''typename''union',
                'unsigned''using''virtual''volatile''wchar_t'), suffix=r'\b'),
             Keyword.Reserved),
            # deprecated keywords, use a meaningful token when available
            (r'(emit|foreach|internal|loopn|static)\b', Keyword),
            # ignored keywords, use a meaningful token when available
            (r'(private|protected|public)\b', Keyword),
            (r'(var|do|const|function|class)\b', Keyword.Declaration),
            (r'(true|false|nil|void)\b', Keyword.Constant),
            (words((
                'Barrier''Binary''Boolean''CallMessage''Channel''Code',
                'Comparable''Container''Control''Date''Dictionary''Directory',
                'Duration''Enumeration''Event''Exception''Executable''File',
                'Finalizable''Float''FormatInfo''Formatter''Global''Group',
                'Hash''InputStream''IoService''Job''Kernel''Lazy''List',
                'Loadable''Lobby''Location''Logger''Math''Mutex''nil',
                'Object''Orderable''OutputStream''Pair''Path''Pattern',
                'Position''Primitive''Process''Profile''PseudoLazy''PubSub',
                'RangeIterable''Regexp''Semaphore''Server''Singleton''Socket',
                'StackFrame''Stream''String''System''Tag''Timeout',
                'Traceable''TrajectoryGenerator''Triplet''Tuple''UObject',
                'UValue''UVar'), suffix=r'\b'),
             Name.Builtin),
            (r'(?:this)\b', Name.Builtin.Pseudo),
            # don't match single | and &
            (r'(?:[-=+*%/<>~^:]+|\.&?|\|\||&&)', Operator),
            (r'(?:and_eq|and|bitand|bitor|in|not|not_eq|or_eq|or|xor_eq|xor)\b',
             Operator.Word),
            (r'[{}\[\]()]+', Punctuation),
            (r'(?:;|\||,|&|\?|!)+', Punctuation),
            (r'[$a-zA-Z_]\w*', Name.Other),
            (r'0x[0-9a-fA-F]+', Number.Hex),
            # Float, Integer, Angle and Duration
            (r'(?:[0-9]+(?:(?:\.[0-9]+)?(?:[eE][+-]?[0-9]+)?)?'
             r'((?:rad|deg|grad)|(?:ms|s|min|h|d))?)\b', Number.Float),
            # handle binary blob in strings
            (r'"', String.Double, "string.double"),
            (r"'", String.Single, "string.single"),
        ],
        'string.double': [
            (r'((?:\\\\|\\"|[^"])*?)(\\B\((\d+)\)\()', blob_callback),
            (r'(\\\\|\\[^\\]|[^"\\])*?"', String.Double, '#pop'),
        ],
        'string.single': [
            (r"((?:\\\\|\\'|[^'])*?)(\\B\((\d+)\)\()", blob_callback),
            (r"(\\\\|\\[^\\]|[^'\\])*?'", String.Single, '#pop'),
        ],
        # from http://pygments.org/docs/lexerdevelopment/#changing-states
        'comment': [
            (r'[^*/]', Comment.Multiline),
            (r'/\*', Comment.Multiline, '#push'),
            (r'\*/', Comment.Multiline, '#pop'),
            (r'[*/]', Comment.Multiline),
        ]
    }

    def analyse_text(text):
        """This is fairly similar to C and others, but freezeif and
        waituntil are unique keywords."""
        result = 0

        if 'freezeif' in text:
            result += 0.05

        if 'waituntil' in text:
            result += 0.05

        return result

Messung V0.5
C=80 H=93 G=86

¤ Dauer der Verarbeitung: 0.8 Sekunden  ¤

*© Formatika GbR, Deutschland






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 und die Messung sind noch experimentell.






                                                                                                                                                                                                                                                                                                                                                                                                     


Neuigkeiten

     Aktuelles
     Motto des Tages

Software

     Produkte
     Quellcodebibliothek

Aktivitäten

     Artikel über Sicherheit
     Anleitung zur Aktivierung von SSL

Muße

     Gedichte
     Musik
     Bilder

Jenseits des Üblichen ....

Besucherstatistik

Besucherstatistik

Monitoring

Montastic status badge