python-docs-venv/lib/python3.11/site-packages/pygments/lexers/fortran.py - datasketches-python - Git at Google

 """
     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'),
         ]
     }
	"""
	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'),
	]
	}