sml.js 2.2 KB

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  1. /*
  2. Language: SML (Standard ML)
  3. Author: Edwin Dalorzo <edwin@dalorzo.org>
  4. Description: SML language definition.
  5. Website: https://www.smlnj.org
  6. Origin: ocaml.js
  7. Category: functional
  8. */
  9. function sml(hljs) {
  10. return {
  11. name: 'SML (Standard ML)',
  12. aliases: ['ml'],
  13. keywords: {
  14. $pattern: '[a-z_]\\w*!?',
  15. keyword:
  16. /* according to Definition of Standard ML 97 */
  17. 'abstype and andalso as case datatype do else end eqtype ' +
  18. 'exception fn fun functor handle if in include infix infixr ' +
  19. 'let local nonfix of op open orelse raise rec sharing sig ' +
  20. 'signature struct structure then type val with withtype where while',
  21. built_in:
  22. /* built-in types according to basis library */
  23. 'array bool char exn int list option order real ref string substring vector unit word',
  24. literal:
  25. 'true false NONE SOME LESS EQUAL GREATER nil'
  26. },
  27. illegal: /\/\/|>>/,
  28. contains: [
  29. {
  30. className: 'literal',
  31. begin: /\[(\|\|)?\]|\(\)/,
  32. relevance: 0
  33. },
  34. hljs.COMMENT(
  35. '\\(\\*',
  36. '\\*\\)',
  37. {
  38. contains: ['self']
  39. }
  40. ),
  41. { /* type variable */
  42. className: 'symbol',
  43. begin: '\'[A-Za-z_](?!\')[\\w\']*'
  44. /* the grammar is ambiguous on how 'a'b should be interpreted but not the compiler */
  45. },
  46. { /* polymorphic variant */
  47. className: 'type',
  48. begin: '`[A-Z][\\w\']*'
  49. },
  50. { /* module or constructor */
  51. className: 'type',
  52. begin: '\\b[A-Z][\\w\']*',
  53. relevance: 0
  54. },
  55. { /* don't color identifiers, but safely catch all identifiers with '*/
  56. begin: '[a-z_]\\w*\'[\\w\']*'
  57. },
  58. hljs.inherit(hljs.APOS_STRING_MODE, {className: 'string', relevance: 0}),
  59. hljs.inherit(hljs.QUOTE_STRING_MODE, {illegal: null}),
  60. {
  61. className: 'number',
  62. begin:
  63. '\\b(0[xX][a-fA-F0-9_]+[Lln]?|' +
  64. '0[oO][0-7_]+[Lln]?|' +
  65. '0[bB][01_]+[Lln]?|' +
  66. '[0-9][0-9_]*([Lln]|(\\.[0-9_]*)?([eE][-+]?[0-9_]+)?)?)',
  67. relevance: 0
  68. },
  69. {
  70. begin: /[-=]>/ // relevance booster
  71. }
  72. ]
  73. };
  74. }
  75. module.exports = sml;