Eine aufbereitete Darstellung der Quelle

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

Benutzer

Quellcode-Bibliothek fortran.py

  Sprache: Python
 

"""
    pygments.lexers.fortran
    ~~~~~~~~~~~~~~~~~~~~~~~

    Lexers for Fortran languages.

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

import re

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

__all__ = ['FortranLexer''FortranFixedLexer']


class FortranLexer(RegexLexer):
    """
    Lexer for FORTRAN 90 code.
    """
    name = 'Fortran'
    url = 'https://fortran-lang.org/'
    aliases = ['fortran''f90']
    filenames = ['*.f03''*.f90''*.F03''*.F90']
    mimetypes = ['text/x-fortran']
    version_added = '0.10'
    flags = re.IGNORECASE | re.MULTILINE

    # Data Types: INTEGER, REAL, COMPLEX, LOGICAL, CHARACTER and DOUBLE PRECISION
    # Operators: **, *, +, -, /, <, >, <=, >=, ==, /=
    # Logical (?): NOT, AND, OR, EQV, NEQV

    # Builtins:
    http://gcc.gnu.org/onlinedocs/gcc-3.4.6/g77/Table-of-Intrinsic-Functions.html

    tokens = {
        'root': [
            (r'^#.*\n', Comment.Preproc),
            (r'!.*\n', Comment),
            include('strings'),
            include('core'),
            (r'[a-z][\w$]*', Name),
            include('nums'),
            (r'[\s]+', Text.Whitespace),
        ],
        'core': [
            # Statements

            (r'\b(DO)(\s+)(CONCURRENT)\b', bygroups(Keyword, Text.Whitespace, Keyword)),
            (r'\b(GO)(\s*)(TO)\b', bygroups(Keyword, Text.Whitespace, Keyword)),

            (words((
                'ABSTRACT''ACCEPT''ALL''ALLSTOP''ALLOCATABLE''ALLOCATE',
                'ARRAY''ASSIGN''ASSOCIATE''ASYNCHRONOUS''BACKSPACE''BIND',
                'BLOCK''BLOCKDATA''BYTE''CALL''CASE''CLASS''CLOSE',
                'CODIMENSION''COMMON''CONTIGUOUS''CONTAINS',
                'CONTINUE''CRITICAL''CYCLE''DATA''DEALLOCATE''DECODE',
                'DEFERRED''DIMENSION''DO''ELEMENTAL''ELSE''ELSEIF''ENCODE',
                'END''ENDASSOCIATE''ENDBLOCK''ENDDO''ENDENUM''ENDFORALL',
                'ENDFUNCTION',  'ENDIF''ENDINTERFACE''ENDMODULE''ENDPROGRAM',
                'ENDSELECT''ENDSUBMODULE''ENDSUBROUTINE''ENDTYPE''ENDWHERE',
                'ENTRY''ENUM''ENUMERATOR''EQUIVALENCE''ERROR STOP''EXIT',
                'EXTENDS''EXTERNAL''EXTRINSIC''FILE''FINAL''FORALL''FORMAT',
                'FUNCTION''GENERIC''IF''IMAGES''IMPLICIT',
                'IMPORT''IMPURE''INCLUDE''INQUIRE''INTENT''INTERFACE',
                'INTRINSIC''IS''LOCK''MEMORY''MODULE''NAMELIST''NULLIFY',
                'NONE''NON_INTRINSIC''NON_OVERRIDABLE''NOPASS''ONLY''OPEN',
                'OPTIONAL''OPTIONS''PARAMETER''PASS''PAUSE''POINTER''PRINT',
                'PRIVATE''PROGRAM''PROCEDURE''PROTECTED''PUBLIC''PURE''READ',
                'RECURSIVE''RESULT''RETURN''REWIND''SAVE''SELECT''SEQUENCE',
                'STOP''SUBMODULE''SUBROUTINE''SYNC''SYNCALL''SYNCIMAGES',
                'SYNCMEMORY''TARGET''THEN''TYPE''UNLOCK''USE''VALUE',
                'VOLATILE''WHERE''WRITE''WHILE'), prefix=r'\b', suffix=r'\s*\b'),
             Keyword),

            # Data Types
            (words((
                'CHARACTER''COMPLEX''DOUBLE PRECISION''DOUBLE COMPLEX''INTEGER',
                'LOGICAL''REAL''C_INT''C_SHORT''C_LONG''C_LONG_LONG',
                'C_SIGNED_CHAR''C_SIZE_T''C_INT8_T''C_INT16_T''C_INT32_T',
                'C_INT64_T''C_INT_LEAST8_T''C_INT_LEAST16_T''C_INT_LEAST32_T',
                'C_INT_LEAST64_T''C_INT_FAST8_T''C_INT_FAST16_T''C_INT_FAST32_T',
                'C_INT_FAST64_T''C_INTMAX_T''C_INTPTR_T''C_FLOAT''C_DOUBLE',
                'C_LONG_DOUBLE''C_FLOAT_COMPLEX''C_DOUBLE_COMPLEX',
                'C_LONG_DOUBLE_COMPLEX''C_BOOL''C_CHAR''C_PTR''C_FUNPTR'),
                   prefix=r'\b', suffix=r'\s*\b'),
             Keyword.Type),

            # Operators
            (r'(\*\*|\*|\+|-|\/|<|>|<=|>=|==|\/=|=)', Operator),

            (r'(::)', Keyword.Declaration),

            (r'[()\[\],:&%;.]', Punctuation),
            # Intrinsics
            (words((
                'Abort''Abs''Access''AChar''ACos''ACosH''AdjustL',
                'AdjustR''AImag''AInt''Alarm''All''Allocated''ALog',
                'AMax''AMin''AMod''And''ANInt''Any''ASin''ASinH',
                'Associated''ATan''ATanH''Atomic_Define''Atomic_Ref',
                'BesJ''BesJN''Bessel_J0''Bessel_J1''Bessel_JN''Bessel_Y0',
                'Bessel_Y1''Bessel_YN''BesY''BesYN''BGE''BGT''BLE',
                'BLT''Bit_Size''BTest''CAbs''CCos''Ceiling''CExp',
                'Char''ChDir''ChMod''CLog''Cmplx''Command_Argument_Count',
                'Complex''Conjg''Cos''CosH''Count''CPU_Time''CShift',
                'CSin''CSqRt''CTime''C_Loc''C_Associated',
                'C_Null_Ptr''C_Null_Funptr''C_F_Pointer''C_F_ProcPointer',
                'C_Null_Char''C_Alert''C_Backspace''C_Form_Feed''C_FunLoc',
                'C_Sizeof''C_New_Line''C_Carriage_Return',
                'C_Horizontal_Tab''C_Vertical_Tab''DAbs''DACos''DASin',
                'DATan''Date_and_Time''DbesJ''DbesJN''DbesY',
                'DbesYN''Dble''DCos''DCosH''DDiM''DErF',
                'DErFC''DExp''Digits''DiM''DInt''DLog''DMax',
                'DMin''DMod''DNInt''Dot_Product''DProd''DSign''DSinH',
                'DShiftL''DShiftR''DSin''DSqRt''DTanH''DTan''DTime',
                'EOShift''Epsilon''ErF''ErFC''ErFC_Scaled''ETime',
                'Execute_Command_Line''Exit''Exp''Exponent''Extends_Type_Of',
                'FDate''FGet''FGetC''FindLoc''Float''Floor''Flush',
                'FNum''FPutC''FPut''Fraction''FSeek''FStat''FTell',
                'Gamma''GError''GetArg''Get_Command''Get_Command_Argument',
                'Get_Environment_Variable''GetCWD''GetEnv''GetGId''GetLog',
                'GetPId''GetUId''GMTime''HostNm''Huge''Hypot''IAbs',
                'IAChar''IAll''IAnd''IAny''IArgC''IBClr''IBits',
                'IBSet''IChar''IDate''IDiM''IDInt''IDNInt''IEOr',
                'IErrNo''IFix''Imag''ImagPart''Image_Index''Index',
                'Int''IOr''IParity''IRand''IsaTty''IShft''IShftC',
                'ISign''Iso_C_Binding''Is_Contiguous''Is_Iostat_End',
                'Is_Iostat_Eor''ITime''Kill''Kind''LBound''LCoBound',
                'Len''Len_Trim''LGe''LGt''Link''LLe''LLt''LnBlnk',
                'Loc''Log''Log_Gamma''Logical''Long''LShift''LStat',
                'LTime''MaskL''MaskR''MatMul''Max''MaxExponent',
                'MaxLoc''MaxVal''MClock''Merge''Merge_Bits''Move_Alloc',
                'Min''MinExponent''MinLoc''MinVal''Mod''Modulo''MvBits',
                'Nearest''New_Line''NInt''Norm2''Not''Null''Num_Images',
                'Or''Pack''Parity''PError''Precision''Present''Product',
                'Radix''Rand''Random_Number''Random_Seed''Range''Real',
                'RealPart''Rename''Repeat''Reshape''RRSpacing''RShift',
                'Same_Type_As''Scale''Scan''Second''Selected_Char_Kind',
                'Selected_Int_Kind''Selected_Real_Kind''Set_Exponent''Shape',
                'ShiftA''ShiftL''ShiftR''Short''Sign''Signal''SinH',
                'Sin''Sleep''Sngl''Spacing''Spread''SqRt''SRand',
                'Stat''Storage_Size''Sum''SymLnk''System''System_Clock',
                'Tan''TanH''Time''This_Image''Tiny''TrailZ''Transfer',
                'Transpose''Trim''TtyNam''UBound''UCoBound''UMask',
                'Unlink''Unpack''Verify''XOr''ZAbs''ZCos''ZExp',
                'ZLog''ZSin''ZSqRt'), prefix=r'\b', suffix=r'\s*\b'),
             Name.Builtin),

            # Booleans
            (r'\.(true|false)\.', Name.Builtin),
            # Comparing Operators
            (r'\.(eq|ne|lt|le|gt|ge|not|and|or|eqv|neqv)\.', Operator.Word),
        ],

        'strings': [
            (r'"(\\[0-7]+|\\[^0-7]|[^"\\])*"', String.Double),
            (r"'(\\[0-7]+|\\[^0-7]|[^'\\])*'", String.Single),
        ],

        'nums': [
            (r'\d+(?![.e])(_([1-9]|[a-z]\w*))?', Number.Integer),
            (r'[+-]?\d*\.\d+([ed][-+]?\d+)?(_([1-9]|[a-z]\w*))?', Number.Float),
            (r'[+-]?\d+\.\d*([ed][-+]?\d+)?(_([1-9]|[a-z]\w*))?', Number.Float),
            (r'[+-]?\d+(\.\d*)?[ed][-+]?\d+(_([1-9]|[a-z]\w*))?', Number.Float),
        ],
    }


class FortranFixedLexer(RegexLexer):
    """
    Lexer for fixed format Fortran.
    """
    name = 'FortranFixed'
    aliases = ['fortranfixed']
    filenames = ['*.f''*.F']
    url = 'https://fortran-lang.org/'
    version_added = '2.1'

    flags = re.IGNORECASE

    def _lex_fortran(self, match, ctx=None):
        """Lex a line just as free form fortran without line break."""
        lexer = FortranLexer()
        text = match.group(0) + "\n"
        for index, token, value in lexer.get_tokens_unprocessed(text):
            value = value.replace('\n''')
            if value != '':
                yield index, token, value

    tokens = {
        'root': [
            (r'[C*].*\n', Comment),
            (r'#.*\n', Comment.Preproc),
            (r' {0,4}!.*\n', Comment),
            (r'(.{5})', Name.Label, 'cont-char'),
            (r'.*\n', using(FortranLexer)),
        ],
        'cont-char': [
            (' ', Text, 'code'),
            ('0', Comment, 'code'),
            ('.', Generic.Strong, 'code'),
        ],
        'code': [
            (r'(.{66})(.*)(\n)',
             bygroups(_lex_fortran, Comment, Text.Whitespace), 'root'),
            (r'(.*)(\n)', bygroups(_lex_fortran, Text.Whitespace), 'root'),
            default('root'),
        ]
    }

Messung V0.5 in Prozent
C=89 H=75 G=82

¤ 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.0.11Bemerkung:  ¤

*Bot Zugriff






Wurzel

Suchen

PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

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

letze Version des Elbe Quellennavigators


Jenseits des Üblichen ....

Besucher

Besucher

Statistik
#Sources=277311
#Domains=752002