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


Quelle  felix.py   Sprache: Python

 
"""
    pygments.lexers.felix
    ~~~~~~~~~~~~~~~~~~~~~

    Lexer for the Felix language.

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

from pygments.lexer import RegexLexer, include, bygroups, default, words, \
    combined
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
    Number, Punctuation, Whitespace

__all__ = ['FelixLexer']


class FelixLexer(RegexLexer):
    """
    For Felix source code.
    """

    name = 'Felix'
    url = 'http://www.felix-lang.org'
    aliases = ['felix''flx']
    filenames = ['*.flx''*.flxh']
    mimetypes = ['text/x-felix']
    version_added = '1.2'

    preproc = (
        'elif''else''endif''if''ifdef''ifndef',
    )

    keywords = (
        '_''_deref''all''as',
        'assert''attempt''call''callback''case''caseno''cclass',
        'code''compound''ctypes''do''done''downto''elif''else',
        'endattempt''endcase''endif''endmatch''enum''except',
        'exceptions''expect''finally''for''forall''forget''fork',
        'functor''goto''ident''if''incomplete''inherit''instance',
        'interface''jump''lambda''loop''match''module''namespace',
        'new''noexpand''nonterm''obj''of''open''parse''raise',
        'regexp''reglex''regmatch''rename''return''the''then',
        'to''type''typecase''typedef''typematch''typeof''upto',
        'when''whilst''with''yield',
    )

    keyword_directives = (
        '_gc_pointer''_gc_type''body''comment''const''export',
        'header''inline''lval''macro''noinline''noreturn',
        'package''private''pod''property''public''publish',
        'requires''todo''virtual''use',
    )

    keyword_declarations = (
        'def''let''ref''val''var',
    )

    keyword_types = (
        'unit''void''any''bool',
        'byte',  'offset',
        'address''caddress''cvaddress''vaddress',
        'tiny''short''int''long''vlong',
        'utiny''ushort''vshort''uint''ulong''uvlong',
        'int8''int16''int32''int64',
        'uint8''uint16''uint32''uint64',
        'float''double''ldouble',
        'complex''dcomplex''lcomplex',
        'imaginary''dimaginary''limaginary',
        'char''wchar''uchar',
        'charp''charcp''ucharp''ucharcp',
        'string''wstring''ustring',
        'cont',
        'array''varray''list',
        'lvalue''opt''slice',
    )

    keyword_constants = (
        'false''true',
    )

    operator_words = (
        'and''not''in''is''isin''or''xor',
    )

    name_builtins = (
        '_svc''while',
    )

    name_pseudo = (
        'root''self''this',
    )

    decimal_suffixes = '([tTsSiIlLvV]|ll|LL|([iIuU])(8|16|32|64))?'

    tokens = {
        'root': [
            include('whitespace'),

            # Keywords
            (words(('axiom''ctor''fun''gen''proc''reduce',
                    'union'), suffix=r'\b'),
             Keyword, 'funcname'),
            (words(('class''cclass''cstruct''obj''struct'), suffix=r'\b'),
             Keyword, 'classname'),
            (r'(instance|module|typeclass)\b', Keyword, 'modulename'),

            (words(keywords, suffix=r'\b'), Keyword),
            (words(keyword_directives, suffix=r'\b'), Name.Decorator),
            (words(keyword_declarations, suffix=r'\b'), Keyword.Declaration),
            (words(keyword_types, suffix=r'\b'), Keyword.Type),
            (words(keyword_constants, suffix=r'\b'), Keyword.Constant),

            # Operators
            include('operators'),

            # Float Literal
            # -- Hex Float
            (r'0[xX]([0-9a-fA-F_]*\.[0-9a-fA-F_]+|[0-9a-fA-F_]+)'
             r'[pP][+\-]?[0-9_]+[lLfFdD]?', Number.Float),
            # -- DecimalFloat
            (r'[0-9_]+(\.[0-9_]+[eE][+\-]?[0-9_]+|'
             r'\.[0-9_]*|[eE][+\-]?[0-9_]+)[lLfFdD]?', Number.Float),
            (r'\.(0|[1-9][0-9_]*)([eE][+\-]?[0-9_]+)?[lLfFdD]?',
             Number.Float),

            # IntegerLiteral
            # -- Binary
            (rf'0[Bb][01_]+{decimal_suffixes}', Number.Bin),
            # -- Octal
            (rf'0[0-7_]+{decimal_suffixes}', Number.Oct),
            # -- Hexadecimal
            (rf'0[xX][0-9a-fA-F_]+{decimal_suffixes}', Number.Hex),
            # -- Decimal
            (rf'(0|[1-9][0-9_]*){decimal_suffixes}', Number.Integer),

            # Strings
            ('([rR][cC]?|[cC][rR])"""', String, 'tdqs'),
            ("([rR][cC]?|[cC][rR])'''", String, 'tsqs'),
            ('([rR][cC]?|[cC][rR])"', String, 'dqs'),
            ("([rR][cC]?|[cC][rR])'", String, 'sqs'),
            ('[cCfFqQwWuU]?"""', String, combined('stringescape''tdqs')),
            ("[cCfFqQwWuU]?'''", String, combined('stringescape''tsqs')),
            ('[cCfFqQwWuU]?"', String, combined('stringescape''dqs')),
            ("[cCfFqQwWuU]?'", String, combined('stringescape''sqs')),

            # Punctuation
            (r'[\[\]{}:(),;?]', Punctuation),

            # Labels
            (r'[a-zA-Z_]\w*:>', Name.Label),

            # Identifiers
            (r'({})\b'.format('|'.join(name_builtins)), Name.Builtin),
            (r'({})\b'.format('|'.join(name_pseudo)), Name.Builtin.Pseudo),
            (r'[a-zA-Z_]\w*', Name),
        ],
        'whitespace': [
            (r'\s+', Whitespace),

            include('comment'),

            # Preprocessor
            (r'(#)(\s*)(if)(\s+)(0)',
                bygroups(Comment.Preproc, Whitespace, Comment.Preproc,
                    Whitespace, Comment.Preproc), 'if0'),
            (r'#', Comment.Preproc, 'macro'),
        ],
        'operators': [
            (r'({})\b'.format('|'.join(operator_words)), Operator.Word),
            (r'!=|==|<<|>>|\|\||&&|[-~+/*%=<>&^|.$]', Operator),
        ],
        'comment': [
            (r'//(.*?)$', Comment.Single),
            (r'/[*]', Comment.Multiline, 'comment2'),
        ],
        'comment2': [
            (r'[^/*]', Comment.Multiline),
            (r'/[*]', Comment.Multiline, '#push'),
            (r'[*]/', Comment.Multiline, '#pop'),
            (r'[/*]', Comment.Multiline),
        ],
        'if0': [
            (r'^(\s*)(#if.*?(?
                bygroups(Whitespace, Comment, Whitespace), '#push'),
            (r'^(\s*)(#endif.*?(?
                bygroups(Whitespace, Comment, Whitespace), '#pop'),
            (r'(.*?)(\n)', bygroups(Comment, Whitespace)),
        ],
        'macro': [
            include('comment'),
            (r'(import|include)(\s+)(<[^>]*?>)',
             bygroups(Comment.Preproc, Whitespace, String), '#pop'),
            (r'(import|include)(\s+)("[^"]*?")',
             bygroups(Comment.Preproc, Whitespace, String), '#pop'),
            (r"(import|include)(\s+)('[^']*?')",
             bygroups(Comment.Preproc, Whitespace, String), '#pop'),
            (r'[^/\n]+', Comment.Preproc),
            # (r'/[*](.|\n)*?[*]/', Comment),
            # (r'//.*?\n', Comment, '#pop'),
            (r'/', Comment.Preproc),
            (r'(?<=\\)\n', Comment.Preproc),
            (r'\n', Whitespace, '#pop'),
        ],
        'funcname': [
            include('whitespace'),
            (r'[a-zA-Z_]\w*', Name.Function, '#pop'),
            # anonymous functions
            (r'(?=\()', Text, '#pop'),
        ],
        'classname': [
            include('whitespace'),
            (r'[a-zA-Z_]\w*', Name.Class'#pop'),
            # anonymous classes
            (r'(?=\{)', Text, '#pop'),
        ],
        'modulename': [
            include('whitespace'),
            (r'\[', Punctuation, ('modulename2''tvarlist')),
            default('modulename2'),
        ],
        'modulename2': [
            include('whitespace'),
            (r'([a-zA-Z_]\w*)', Name.Namespace, '#pop:2'),
        ],
        'tvarlist': [
            include('whitespace'),
            include('operators'),
            (r'\[', Punctuation, '#push'),
            (r'\]', Punctuation, '#pop'),
            (r',', Punctuation),
            (r'(with|where)\b', Keyword),
            (r'[a-zA-Z_]\w*', Name),
        ],
        'stringescape': [
            (r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
             r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
        ],
        'strings': [
            (r'%(\([a-zA-Z0-9]+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
             '[hlL]?[E-GXc-giorsux%]', String.Interpol),
            (r'[^\\\'"%\n]+', String),
            # quotes, percents and backslashes must be parsed one at a time
            (r'[\'"\\]', String),
            # unhandled string formatting sign
            (r'%', String)
            # newlines are an error (use "nl" state)
        ],
        'nl': [
            (r'\n', String)
        ],
        'dqs': [
            (r'"', String, '#pop'),
            # included here again for raw strings
            (r'\\\\|\\"|\\\n', String.Escape),
            include('strings')
        ],
        'sqs': [
            (r"'", String, '#pop'),
            # included here again for raw strings
            (r"\\\\|\\'|\\\n", String.Escape),
            include('strings')
        ],
        'tdqs': [
            (r'"""', String, '#pop'),
            include('strings'),
            include('nl')
        ],
        'tsqs': [
            (r"'''", String, '#pop'),
            include('strings'),
            include('nl')
        ],
    }

Messung V0.5
C=93 H=92 G=92

¤ Dauer der Verarbeitung: 0.3 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