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1Prism.languages.fortran = {
2 'quoted-number': {
3 pattern: /[BOZ](['"])[A-F0-9]+\1/i,
4 alias: 'number'
5 },
6 'string': {
7 pattern: /(?:\w+_)?(['"])(?:\1\1|&(?:\r\n?|\n)(?:\s*!.+(?:\r\n?|\n))?|(?!\1).)*(?:\1|&)/,
8 inside: {
9 'comment': {
10 pattern: /(&(?:\r\n?|\n)\s*)!.*/,
11 lookbehind: true
12 }
13 }
14 },
15 'comment': /!.*/,
16 'boolean': /\.(?:TRUE|FALSE)\.(?:_\w+)?/i,
17 'number': /(?:\b|[+-])(?:\d+(?:\.\d*)?|\.\d+)(?:[ED][+-]?\d+)?(?:_\w+)?/i,
18 'keyword': [
19 // Types
20 /\b(?:INTEGER|REAL|DOUBLE ?PRECISION|COMPLEX|CHARACTER|LOGICAL)\b/i,
21 // END statements
22 /\b(?:END ?)?(?:BLOCK ?DATA|DO|FILE|FORALL|FUNCTION|IF|INTERFACE|MODULE(?! PROCEDURE)|PROGRAM|SELECT|SUBROUTINE|TYPE|WHERE)\b/i,
23 // Statements
24 /\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,
25 // Others
26 /\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
27 ],
28 'operator': [
29 /\*\*|\/\/|=>|[=\/]=|[<>]=?|::|[+\-*=%]|\.(?:EQ|NE|LT|LE|GT|GE|NOT|AND|OR|EQV|NEQV)\.|\.[A-Z]+\./i,
30 {
31 // Use lookbehind to prevent confusion with (/ /)
32 pattern: /(^|(?!\().)\/(?!\))/,
33 lookbehind: true
34 }
35 ],
36 'punctuation': /\(\/|\/\)|[(),;:&]/
37};
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