ACE editor mode for Stan

stanmode.js

define(function(require, exports, module) {

var oop = require("../lib/oop");
var DocCommentHighlightRules = require("./doc_comment_highlight_rules").DocCommentHighlightRules;
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;


var StanHighlightRules = function() {

    var keywords = (
        "for|in|while|repeat|until|if|then|else|true|false|return|void"
    );
    
    var storageType = (
        "int|real|vector|simplex|unit_vector|ordered|positive_ordered|row_vector|" +
        "matrix|cholesky_factor_cov|corr_matrix|cov_matrix"
    );

    var builtinConstants = (
        "lp__"
    );

    var keywordMapper = this.$keywords = this.createKeywordMapper({
        "keyword" : keywords,
        "keyword.storagetype" : storageType,
        "variable.language": builtinConstants
    }, "identifier");

    // regexp must not have capturing parentheses. Use (?:) instead.
    // regexps are ordered -> the first match is used
    this.$rules = {
        "start" : [
            {
                token : "comment",
                regex : "(:?\\/\\/|#).*$"
            }, {
                token : "comment", // multi line comment
                regex : "\\/\\*",
                next : "comment"
            }, {
                token : "keyword.blockid",
                regex : "(?:(?:transformed\\s+)?(?:data|parameters)|functions|model|generated\\s+quantities)(?=\\s*{)"
            }, {
                token : "string", // single line
                regex : '["][^"]*["]'
            }, {
                token : "string", // multi line string start
                regex : '["].*\\\\$',
                next : "qqstring"
            }, {
                token : "constant.numeric",
                regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
            }, {
                token : "keyword.operator", // truncation
                regex : "\\bT(?=\\s*\\[)"
            }, {
                token : keywordMapper,
                regex : "[a-zA-Z][a-zA-Z0-9_]*\\b"
            }, {
                token : "keyword.operator",
                regex : "<-|~"
            }, {
                token : "keyword.operator",
                regex : "\\|\\||&&|==|!=|<=?|>=?|\\+|-|\\.?\\*|\\.?/|\\\\|!|'"
            }, {
              token : "punctuation.operator",
              regex : "\\:|\\,|\\;|="
            }, {
                token : "paren.lparen",
                regex : "[[({]"
            }, {
                token : "paren.rparen",
                regex : "[\\])}]"
            }, {
                token : "text",
                regex : "\\s+"
            }
        ],
        "comment" : [
            {
                token : "comment", // closing comment
                regex : ".*?\\*\\/",
                next : "start"
            }, {
                token : "comment", // comment spanning whole line
                regex : ".+"
            }
        ],
    };

};

oop.inherits(StanHighlightRules, TextHighlightRules);

exports.StanHighlightRules = StanHighlightRules;
});