mindoc/static/highlight/languages/prolog.js

94 lines
1.4 KiB
JavaScript

/*
Language: Prolog
Description: Prolog is a general purpose logic programming language associated with artificial intelligence and computational linguistics.
Author: Raivo Laanemets <raivo@infdot.com>
*/
function(hljs) {
var ATOM = {
begin: /[a-z][A-Za-z0-9_]*/,
relevance: 0
};
var VAR = {
className: 'symbol',
variants: [
{begin: /[A-Z][a-zA-Z0-9_]*/},
{begin: /_[A-Za-z0-9_]*/},
],
relevance: 0
};
var PARENTED = {
begin: /\(/,
end: /\)/,
relevance: 0
};
var LIST = {
begin: /\[/,
end: /\]/
};
var LINE_COMMENT = {
className: 'comment',
begin: /%/, end: /$/,
contains: [hljs.PHRASAL_WORDS_MODE]
};
var BACKTICK_STRING = {
className: 'string',
begin: /`/, end: /`/,
contains: [hljs.BACKSLASH_ESCAPE]
};
var CHAR_CODE = {
className: 'string', // 0'a etc.
begin: /0\'(\\\'|.)/
};
var SPACE_CODE = {
className: 'string',
begin: /0\'\\s/ // 0'\s
};
var PRED_OP = { // relevance booster
begin: /:-/
};
var inner = [
ATOM,
VAR,
PARENTED,
PRED_OP,
LIST,
LINE_COMMENT,
hljs.C_BLOCK_COMMENT_MODE,
hljs.QUOTE_STRING_MODE,
hljs.APOS_STRING_MODE,
BACKTICK_STRING,
CHAR_CODE,
SPACE_CODE,
hljs.C_NUMBER_MODE
];
PARENTED.contains = inner;
LIST.contains = inner;
return {
contains: inner.concat([
{begin: /\.$/} // relevance booster
])
};
}