biofriction-wp-theme/node_modules/highlight.js/lib/languages/haskell.js

123 lines
3.1 KiB
JavaScript

module.exports = function(hljs) {
var COMMENT_MODES = [
hljs.COMMENT('--', '$'),
hljs.COMMENT(
'{-',
'-}',
{
contains: ['self']
}
)
];
var PRAGMA = {
className: 'pragma',
begin: '{-#', end: '#-}'
};
var PREPROCESSOR = {
className: 'preprocessor',
begin: '^#', end: '$'
};
var CONSTRUCTOR = {
className: 'type',
begin: '\\b[A-Z][\\w\']*', // TODO: other constructors (build-in, infix).
relevance: 0
};
var LIST = {
className: 'container',
begin: '\\(', end: '\\)',
illegal: '"',
contains: [
PRAGMA,
PREPROCESSOR,
{className: 'type', begin: '\\b[A-Z][\\w]*(\\((\\.\\.|,|\\w+)\\))?'},
hljs.inherit(hljs.TITLE_MODE, {begin: '[_a-z][\\w\']*'})
].concat(COMMENT_MODES)
};
var RECORD = {
className: 'container',
begin: '{', end: '}',
contains: LIST.contains
};
return {
aliases: ['hs'],
keywords:
'let in if then else case of where do module import hiding ' +
'qualified type data newtype deriving class instance as default ' +
'infix infixl infixr foreign export ccall stdcall cplusplus ' +
'jvm dotnet safe unsafe family forall mdo proc rec',
contains: [
// Top-level constructions.
{
className: 'module',
begin: '\\bmodule\\b', end: 'where',
keywords: 'module where',
contains: [LIST].concat(COMMENT_MODES),
illegal: '\\W\\.|;'
},
{
className: 'import',
begin: '\\bimport\\b', end: '$',
keywords: 'import|0 qualified as hiding',
contains: [LIST].concat(COMMENT_MODES),
illegal: '\\W\\.|;'
},
{
className: 'class',
begin: '^(\\s*)?(class|instance)\\b', end: 'where',
keywords: 'class family instance where',
contains: [CONSTRUCTOR, LIST].concat(COMMENT_MODES)
},
{
className: 'typedef',
begin: '\\b(data|(new)?type)\\b', end: '$',
keywords: 'data family type newtype deriving',
contains: [PRAGMA, CONSTRUCTOR, LIST, RECORD].concat(COMMENT_MODES)
},
{
className: 'default',
beginKeywords: 'default', end: '$',
contains: [CONSTRUCTOR, LIST].concat(COMMENT_MODES)
},
{
className: 'infix',
beginKeywords: 'infix infixl infixr', end: '$',
contains: [hljs.C_NUMBER_MODE].concat(COMMENT_MODES)
},
{
className: 'foreign',
begin: '\\bforeign\\b', end: '$',
keywords: 'foreign import export ccall stdcall cplusplus jvm ' +
'dotnet safe unsafe',
contains: [CONSTRUCTOR, hljs.QUOTE_STRING_MODE].concat(COMMENT_MODES)
},
{
className: 'shebang',
begin: '#!\\/usr\\/bin\\/env\ runhaskell', end: '$'
},
// "Whitespaces".
PRAGMA,
PREPROCESSOR,
// Literals and names.
// TODO: characters.
hljs.QUOTE_STRING_MODE,
hljs.C_NUMBER_MODE,
CONSTRUCTOR,
hljs.inherit(hljs.TITLE_MODE, {begin: '^[_a-z][\\w\']*'}),
{begin: '->|<-'} // No markup, relevance booster
].concat(COMMENT_MODES)
};
};