215 lines
8 KiB
JavaScript
215 lines
8 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Distributed under the BSD license:
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*
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* Copyright (c) 2010, Ajax.org B.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Ajax.org B.V. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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if (typeof process !== "undefined") {
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require("amd-loader");
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}
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define(function(require, exports, module) {
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"use strict";
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var JavaScriptMode = require("./javascript").Mode;
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var assert = require("../test/assertions");
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module.exports = {
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name: "JavaScript Tokenizer",
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setUp : function() {
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this.tokenizer = new JavaScriptMode().getTokenizer();
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},
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"test: tokenize1" : function() {
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var line = "foo = function";
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var tokens = this.tokenizer.getLineTokens(line, "start").tokens;
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assert.equal(5, tokens.length);
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assert.equal("identifier", tokens[0].type);
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assert.equal("text", tokens[1].type);
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assert.equal("keyword.operator", tokens[2].type);
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assert.equal("text", tokens[3].type);
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assert.equal("storage.type", tokens[4].type);
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},
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"test: tokenize 'standard' functions" : function() {
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var line = "string.charCodeAt(23); document.getElementById('test'); console.log('Here it is');";
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var tokens = this.tokenizer.getLineTokens(line, "start").tokens;
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assert.equal(23, tokens.length);
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assert.equal("support.function", tokens[2].type); // charCodeAt
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assert.equal("support.function.dom", tokens[10].type); // getElementById
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assert.equal("support.function.firebug", tokens[18].type); // log
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},
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"test: tokenize doc comment" : function() {
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var line = "abc /** de */ fg";
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var tokens = this.tokenizer.getLineTokens(line, "start").tokens;
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assert.equal(5, tokens.length);
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assert.equal("identifier", tokens[0].type);
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assert.equal("text", tokens[1].type);
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assert.equal("comment.doc", tokens[2].type);
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assert.equal("text", tokens[3].type);
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assert.equal("identifier", tokens[4].type);
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},
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"test: tokenize doc comment with tag" : function() {
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var line = "/** @param {} */";
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var tokens = this.tokenizer.getLineTokens(line, "start").tokens;
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assert.equal(3, tokens.length);
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assert.equal("comment.doc", tokens[0].type);
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assert.equal("comment.doc.tag", tokens[1].type);
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assert.equal("comment.doc", tokens[2].type);
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},
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"test: tokenize parens" : function() {
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var line = "[{( )}]";
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var tokens = this.tokenizer.getLineTokens(line, "start").tokens;
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// TODO is it useful to keep parens in separate tokens?
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assert.equal(3, tokens.length);
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assert.equal("paren.lparen", tokens[0].type);
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assert.equal("text", tokens[1].type);
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assert.equal("paren.rparen", tokens[2].type);
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},
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"test for last rule in ruleset to catch capturing group bugs" : function() {
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var tokens = this.tokenizer.getLineTokens("}", "start").tokens;
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assert.equal(1, tokens.length);
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assert.equal("paren.rparen", tokens[0].type);
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},
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"test tokenize arithmetic expression which looks like a regexp": function() {
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var tokens = this.tokenizer.getLineTokens("a/b/c", "start").tokens;
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assert.equal(5, tokens.length);
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var tokens = this.tokenizer.getLineTokens("a/=b/c", "start").tokens;
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assert.equal(5, tokens.length);
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},
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"test tokenize reg exps" : function() {
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var tokens = this.tokenizer.getLineTokens("a=/b/g", "start").tokens;
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assert.equal(3, tokens.length);
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assert.equal("string.regexp", tokens[2].type);
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var tokens = this.tokenizer.getLineTokens("a+/b/g", "start").tokens;
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assert.equal(3, tokens.length);
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assert.equal("string.regexp", tokens[2].type);
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var tokens = this.tokenizer.getLineTokens("a = 1 + /2 + 1/b", "start").tokens;
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assert.equal(11, tokens.length);
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assert.equal("string.regexp", tokens[8].type);
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var tokens = this.tokenizer.getLineTokens("a=/a/ / /a/", "start").tokens;
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assert.equal(7, tokens.length);
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assert.equal("string.regexp", tokens[2].type);
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assert.equal("string.regexp", tokens[6].type);
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var tokens = this.tokenizer.getLineTokens("case /a/.test(c)", "start").tokens;
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assert.equal(8, tokens.length);
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assert.equal("string.regexp", tokens[2].type);
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},
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"test tokenize multi-line comment containing a single line comment" : function() {
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var tokens = this.tokenizer.getLineTokens("/* foo // bar */", "start").tokens;
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assert.equal(1, tokens.length);
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assert.equal("comment", tokens[0].type);
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var tokens = this.tokenizer.getLineTokens("/* foo // bar */", "regex_allowed").tokens;
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assert.equal(1, tokens.length);
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assert.equal("comment", tokens[0].type);
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},
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"test tokenize identifier with umlauts": function() {
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var tokens = this.tokenizer.getLineTokens("füße", "start").tokens;
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assert.equal(1, tokens.length);
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},
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"test // is not a regexp": function() {
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var tokens = this.tokenizer.getLineTokens("{ // 123", "start").tokens;
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assert.equal(3, tokens.length);
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assert.equal("paren.lparen", tokens[0].type);
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assert.equal("text", tokens[1].type);
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assert.equal("comment", tokens[2].type);
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},
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"test skipping escaped chars": function() {
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var line = "console.log('Meh\\nNeh');"
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var tokens = this.tokenizer.getLineTokens(line, "start").tokens;
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assert.equal(9, tokens.length);
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assert.equal("constant.language.escape", tokens[5].type);
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line = "console.log('\\u1232Feh');";
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tokens = this.tokenizer.getLineTokens(line, "start").tokens;
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assert.equal(9, tokens.length);
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assert.equal("constant.language.escape", tokens[5].type);
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},
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"test multiline strings": function() {
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var line = "console.log('Meh\\"
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var data = this.tokenizer.getLineTokens(line, "start")
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assert.equal(5, data.tokens.length);
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assert.equal(data.state, "qstring");
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line = "console.log('Meh\\ "
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data = this.tokenizer.getLineTokens(line, "start")
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assert.equal(6, data.tokens.length);
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assert.equal(data.state, "start");
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line = 'console.log("\\'
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data = this.tokenizer.getLineTokens(line, "start")
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assert.equal(5, data.tokens.length);
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assert.equal(data.state, "qqstring");
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line = 'a="'
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data = this.tokenizer.getLineTokens(line, "start")
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assert.equal(3, data.tokens.length);
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assert.equal(data.state, "start");
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}
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};
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});
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if (typeof module !== "undefined" && module === require.main) {
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require("asyncjs").test.testcase(module.exports).exec()
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}
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