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/*
Language: OCaml
Author: Mehdi Dogguy <mehdi@dogguy.org>
Contributors: Nicolas Braud-Santoni <nicolas.braud-santoni@ens-cachan.fr>, Mickael Delahaye <mickael.delahaye@gmail.com>
Description: OCaml language definition.
Website: https://ocaml.org
Category: functional
*/
function ocaml(hljs) {
/* missing support for heredoc-like string (OCaml 4.0.2+) */
return {
name: 'OCaml',
aliases: ['ml'],
keywords: {
$pattern: '[a-z_]\\w*!?',
keyword:
'and as assert asr begin class constraint do done downto else end ' +
'exception external for fun function functor if in include ' +
'inherit! inherit initializer land lazy let lor lsl lsr lxor match method!|10 method ' +
'mod module mutable new object of open! open or private rec sig struct ' +
'then to try type val! val virtual when while with ' +
/* camlp4 */
'parser value',
built_in:
/* built-in types */
'array bool bytes char exn|5 float int int32 int64 list lazy_t|5 nativeint|5 string unit ' +
/* (some) types in Pervasives */
'in_channel out_channel ref',
literal:
'true false'
},
illegal: /\/\/|>>/,
contains: [
{
className: 'literal',
begin: '\\[(\\|\\|)?\\]|\\(\\)',
relevance: 0
},
hljs.COMMENT(
'\\(\\*',
'\\*\\)',
{
contains: ['self']
}
),
{ /* type variable */
className: 'symbol',
begin: '\'[A-Za-z_](?!\')[\\w\']*'
/* the grammar is ambiguous on how 'a'b should be interpreted but not the compiler */
},
{ /* polymorphic variant */
className: 'type',
begin: '`[A-Z][\\w\']*'
},
{ /* module or constructor */
className: 'type',
begin: '\\b[A-Z][\\w\']*',
relevance: 0
},
{ /* don't color identifiers, but safely catch all identifiers with '*/
begin: '[a-z_]\\w*\'[\\w\']*', relevance: 0
},
hljs.inherit(hljs.APOS_STRING_MODE, {className: 'string', relevance: 0}),
hljs.inherit(hljs.QUOTE_STRING_MODE, {illegal: null}),
{
className: 'number',
begin:
'\\b(0[xX][a-fA-F0-9_]+[Lln]?|' +
'0[oO][0-7_]+[Lln]?|' +
'0[bB][01_]+[Lln]?|' +
'[0-9][0-9_]*([Lln]|(\\.[0-9_]*)?([eE][-+]?[0-9_]+)?)?)',
relevance: 0
},
{
begin: /->/ // relevance booster
}
]
}
}
module.exports = ocaml;