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Prism.languages.fortran = {
'quoted-number': {
pattern: /[BOZ](['"])[A-F0-9]+\1/i,
alias: 'number'
},
'string': {
pattern: /(?:\w+_)?(['"])(?:\1\1|&(?:\r\n?|\n)(?:\s*!.+(?:\r\n?|\n))?|(?!\1).)*(?:\1|&)/,
inside: {
'comment': {
pattern: /(&(?:\r\n?|\n)\s*)!.*/,
lookbehind: true
}
}
},
'comment': /!.*/,
'boolean': /\.(?:TRUE|FALSE)\.(?:_\w+)?/i,
'number': /(?:\b|[+-])(?:\d+(?:\.\d*)?|\.\d+)(?:[ED][+-]?\d+)?(?:_\w+)?/i,
'keyword': [
// Types
/\b(?:INTEGER|REAL|DOUBLE ?PRECISION|COMPLEX|CHARACTER|LOGICAL)\b/i,
// END statements
/\b(?:END ?)?(?:BLOCK ?DATA|DO|FILE|FORALL|FUNCTION|IF|INTERFACE|MODULE(?! PROCEDURE)|PROGRAM|SELECT|SUBROUTINE|TYPE|WHERE)\b/i,
// Statements
/\b(?:ALLOCATABLE|ALLOCATE|BACKSPACE|CALL|CASE|CLOSE|COMMON|CONTAINS|CONTINUE|CYCLE|DATA|DEALLOCATE|DIMENSION|DO|END|EQUIVALENCE|EXIT|EXTERNAL|FORMAT|GO ?TO|IMPLICIT(?: NONE)?|INQUIRE|INTENT|INTRINSIC|MODULE PROCEDURE|NAMELIST|NULLIFY|OPEN|OPTIONAL|PARAMETER|POINTER|PRINT|PRIVATE|PUBLIC|READ|RETURN|REWIND|SAVE|SELECT|STOP|TARGET|WHILE|WRITE)\b/i,
// Others
/\b(?:ASSIGNMENT|DEFAULT|ELEMENTAL|ELSE|ELSEWHERE|ELSEIF|ENTRY|IN|INCLUDE|INOUT|KIND|NULL|ONLY|OPERATOR|OUT|PURE|RECURSIVE|RESULT|SEQUENCE|STAT|THEN|USE)\b/i
],
'operator': [
/\*\*|\/\/|=>|[=\/]=|[<>]=?|::|[+\-*=%]|\.(?:EQ|NE|LT|LE|GT|GE|NOT|AND|OR|EQV|NEQV)\.|\.[A-Z]+\./i,
{
// Use lookbehind to prevent confusion with (/ /)
pattern: /(^|(?!\().)\/(?!\))/,
lookbehind: true
}
],
'punctuation': /\(\/|\/\)|[(),;:&]/
};
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