var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports", "./cssScanner"], factory);
    }
})(function (require, exports) {
    /*---------------------------------------------------------------------------------------------
     *  Copyright (c) Microsoft Corporation. All rights reserved.
     *  Licensed under the MIT License. See License.txt in the project root for license information.
     *--------------------------------------------------------------------------------------------*/
    'use strict';
    Object.defineProperty(exports, "__esModule", { value: true });
    var scanner = require("./cssScanner");
    var _FSL = '/'.charCodeAt(0);
    var _NWL = '\n'.charCodeAt(0);
    var _CAR = '\r'.charCodeAt(0);
    var _LFD = '\f'.charCodeAt(0);
    var _TIC = '`'.charCodeAt(0);
    var _DOT = '.'.charCodeAt(0);
    var customTokenValue = scanner.TokenType.CustomToken;
    exports.Ellipsis = customTokenValue++;
    var LESSScanner = /** @class */ (function (_super) {
        __extends(LESSScanner, _super);
        function LESSScanner() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        LESSScanner.prototype.scanNext = function (offset) {
            // LESS: escaped JavaScript code `const a = "dddd"`
            var tokenType = this.escapedJavaScript();
            if (tokenType !== null) {
                return this.finishToken(offset, tokenType);
            }
            if (this.stream.advanceIfChars([_DOT, _DOT, _DOT])) {
                return this.finishToken(offset, exports.Ellipsis);
            }
            return _super.prototype.scanNext.call(this, offset);
        };
        LESSScanner.prototype.comment = function () {
            if (_super.prototype.comment.call(this)) {
                return true;
            }
            if (!this.inURL && this.stream.advanceIfChars([_FSL, _FSL])) {
                this.stream.advanceWhileChar(function (ch) {
                    switch (ch) {
                        case _NWL:
                        case _CAR:
                        case _LFD:
                            return false;
                        default:
                            return true;
                    }
                });
                return true;
            }
            else {
                return false;
            }
        };
        LESSScanner.prototype.escapedJavaScript = function () {
            var ch = this.stream.peekChar();
            if (ch === _TIC) {
                this.stream.advance(1);
                this.stream.advanceWhileChar(function (ch) { return ch !== _TIC; });
                return this.stream.advanceIfChar(_TIC) ? scanner.TokenType.EscapedJavaScript : scanner.TokenType.BadEscapedJavaScript;
            }
            return null;
        };
        return LESSScanner;
    }(scanner.Scanner));
    exports.LESSScanner = LESSScanner;
});