diff options
Diffstat (limited to 'venv/lib/python3.9/site-packages/pygments/lexers/fortran.py')
| -rw-r--r-- | venv/lib/python3.9/site-packages/pygments/lexers/fortran.py | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/venv/lib/python3.9/site-packages/pygments/lexers/fortran.py b/venv/lib/python3.9/site-packages/pygments/lexers/fortran.py new file mode 100644 index 00000000..d191099c --- /dev/null +++ b/venv/lib/python3.9/site-packages/pygments/lexers/fortran.py @@ -0,0 +1,213 @@ +""" + pygments.lexers.fortran + ~~~~~~~~~~~~~~~~~~~~~~~ + + Lexers for Fortran languages. + + :copyright: Copyright 2006-2023 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. + + .. versionadded:: 0.10 + """ + name = 'Fortran' + url = 'https://fortran-lang.org/' + aliases = ['fortran', 'f90'] + filenames = ['*.f03', '*.f90', '*.F03', '*.F90'] + mimetypes = ['text/x-fortran'] + 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', '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. + + .. versionadded:: 2.1 + """ + name = 'FortranFixed' + aliases = ['fortranfixed'] + filenames = ['*.f', '*.F'] + + 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'), + ] + } |