/**
 * Coffeescript patterns
 *
 * @author Craig Campbell
 */
Rainbow.extend('coffeescript', [
    {
        name: 'comment.block',
        pattern: /(\#{3})[\s\S]*\1/gm
    },
    {
        name: 'string.block',
        pattern: /('{3}|"{3})[\s\S]*\1/gm
    },

    /**
     * multiline regex with comments
     */
    {
        name: 'string.regex',
        matches: {
            2: {
                name: 'comment',
                pattern: /\#(.*?)(?=\n)/g
            }
        },
        pattern: /(\/{3})([\s\S]*)\1/gm
    },
    {
        matches: {
            1: 'keyword'
        },
        pattern: /\b(in|when|is|isnt|of|not|unless|until|super)(?=\b)/gi
    },
    {
        name: 'keyword.operator',
        pattern: /\?/g
    },
    {
        name: 'constant.language',
        pattern: /\b(undefined|yes|on|no|off)\b/g
    },
    {
        name: 'keyword.variable.coffee',
        pattern: /@(\w+)/gi
    },

    /**
     * reset global keywards from generic
     */
    {
        name: 'reset',
        pattern: /object|class|print/gi
    },

    /**
     * named function
     */
    {
        'matches' : {
            1: 'entity.name.function',
            2: 'keyword.operator',
            3: {
                    name: 'function.argument.coffee',
                    pattern: /([\@\w]+)/g
            },
            4: 'keyword.function'
        },
        pattern: /(\w+)\s{0,}(=|:)\s{0,}\((.*?)((-|=)&gt;)/gi
    },

    /**
     * anonymous function
     */
    {
        matches: {
            1: {
                    name: 'function.argument.coffee',
                    pattern: /([\@\w]+)/g
            },
            2: 'keyword.function'
        },
        pattern: /\s\((.*?)\)\s{0,}((-|=)&gt;)/gi
    },

    /**
     * direct function no arguments
     */
    {
        'matches' : {
            1: 'entity.name.function',
            2: 'keyword.operator',
            3: 'keyword.function'
        },
        pattern: /(\w+)\s{0,}(=|:)\s{0,}((-|=)&gt;)/gi
    },

    /**
     * class definitions
     */
    {
        matches: {
            1: 'storage.class',
            2: 'entity.name.class',
            3: 'storage.modifier.extends',
            4: 'entity.other.inherited-class'
        },
        pattern: /\b(class)\s(\w+)(\sextends\s)?([\w\\]*)?\b/g
    },

    /**
     * object instantiation
     */
    {
        matches: {
            1: 'keyword.new',
            2: {
                name: 'support.class',
                pattern: /\w+/g
            }
        },
        pattern: /\b(new)\s(.*?)(?=\s)/g
    }
], 'generic');

Rainbow.addAlias('coffee', 'coffeescript');
