71 lines
2.8 KiB
JavaScript
71 lines
2.8 KiB
JavaScript
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(function (factory) {
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if (typeof module === "object" && typeof module.exports === "object") {
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var v = factory(require, exports);
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if (v !== undefined) module.exports = v;
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}
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else if (typeof define === "function" && define.amd) {
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define(["require", "exports", "./cssScanner"], factory);
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}
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})(function (require, exports) {
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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'use strict';
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.LESSScanner = exports.Ellipsis = void 0;
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const scanner = require("./cssScanner");
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const _FSL = '/'.charCodeAt(0);
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const _NWL = '\n'.charCodeAt(0);
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const _CAR = '\r'.charCodeAt(0);
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const _LFD = '\f'.charCodeAt(0);
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const _TIC = '`'.charCodeAt(0);
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const _DOT = '.'.charCodeAt(0);
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let customTokenValue = scanner.TokenType.CustomToken;
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exports.Ellipsis = customTokenValue++;
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class LESSScanner extends scanner.Scanner {
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scanNext(offset) {
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// LESS: escaped JavaScript code `const a = "dddd"`
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const tokenType = this.escapedJavaScript();
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if (tokenType !== null) {
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return this.finishToken(offset, tokenType);
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}
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if (this.stream.advanceIfChars([_DOT, _DOT, _DOT])) {
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return this.finishToken(offset, exports.Ellipsis);
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}
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return super.scanNext(offset);
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}
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comment() {
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if (super.comment()) {
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return true;
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}
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if (!this.inURL && this.stream.advanceIfChars([_FSL, _FSL])) {
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this.stream.advanceWhileChar((ch) => {
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switch (ch) {
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case _NWL:
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case _CAR:
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case _LFD:
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return false;
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default:
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return true;
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}
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});
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return true;
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}
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else {
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return false;
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}
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}
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escapedJavaScript() {
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const ch = this.stream.peekChar();
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if (ch === _TIC) {
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this.stream.advance(1);
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this.stream.advanceWhileChar((ch) => { return ch !== _TIC; });
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return this.stream.advanceIfChar(_TIC) ? scanner.TokenType.EscapedJavaScript : scanner.TokenType.BadEscapedJavaScript;
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}
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return null;
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}
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}
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exports.LESSScanner = LESSScanner;
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});
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