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- /* ***** BEGIN LICENSE BLOCK *****
- * Distributed under the BSD license:
- *
- * Copyright (c) 2010, Ajax.org B.V.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of Ajax.org B.V. nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * ***** END LICENSE BLOCK ***** */
- define(function(require, exports, module) {
- "use strict";
- var oop = require("../lib/oop");
- var Mirror = require("../worker/mirror").Mirror;
- var lint = require("./javascript/jshint").JSHINT;
- function startRegex(arr) {
- return RegExp("^(" + arr.join("|") + ")");
- }
- var disabledWarningsRe = startRegex([
- "Bad for in variable '(.+)'.",
- 'Missing "use strict"'
- ]);
- var errorsRe = startRegex([
- "Unexpected",
- "Expected ",
- "Confusing (plus|minus)",
- "\\{a\\} unterminated regular expression",
- "Unclosed ",
- "Unmatched ",
- "Unbegun comment",
- "Bad invocation",
- "Missing space after",
- "Missing operator at"
- ]);
- var infoRe = startRegex([
- "Expected an assignment",
- "Bad escapement of EOL",
- "Unexpected comma",
- "Unexpected space",
- "Missing radix parameter.",
- "A leading decimal point can",
- "\\['{a}'\\] is better written in dot notation.",
- "'{a}' used out of scope"
- ]);
- var JavaScriptWorker = exports.JavaScriptWorker = function(sender) {
- Mirror.call(this, sender);
- this.setTimeout(500);
- this.setOptions();
- };
- oop.inherits(JavaScriptWorker, Mirror);
- (function() {
- this.setOptions = function(options) {
- this.options = options || {
- // undef: true,
- // unused: true,
- esnext: true,
- moz: true,
- devel: true,
- browser: true,
- node: true,
- laxcomma: true,
- laxbreak: true,
- lastsemic: true,
- onevar: false,
- passfail: false,
- maxerr: 100,
- expr: true,
- multistr: true,
- globalstrict: true
- };
- this.doc.getValue() && this.deferredUpdate.schedule(100);
- };
- this.changeOptions = function(newOptions) {
- oop.mixin(this.options, newOptions);
- this.doc.getValue() && this.deferredUpdate.schedule(100);
- };
- this.isValidJS = function(str) {
- try {
- // evaluated code can only create variables in this function
- eval("throw 0;" + str);
- } catch(e) {
- if (e === 0)
- return true;
- }
- return false
- };
- this.onUpdate = function() {
- var value = this.doc.getValue();
- value = value.replace(/^#!.*\n/, "\n");
- if (!value)
- return this.sender.emit("annotate", []);
- var errors = [];
- // jshint reports many false errors
- // report them as error only if code is actually invalid
- var maxErrorLevel = this.isValidJS(value) ? "warning" : "error";
- // var start = new Date();
- lint(value, this.options);
- var results = lint.errors;
- var errorAdded = false
- for (var i = 0; i < results.length; i++) {
- var error = results[i];
- if (!error)
- continue;
- var raw = error.raw;
- var type = "warning";
- if (raw == "Missing semicolon.") {
- var str = error.evidence.substr(error.character);
- str = str.charAt(str.search(/\S/));
- if (maxErrorLevel == "error" && str && /[\w\d{(['"]/.test(str)) {
- error.reason = 'Missing ";" before statement';
- type = "error";
- } else {
- type = "info";
- }
- }
- else if (disabledWarningsRe.test(raw)) {
- continue;
- }
- else if (infoRe.test(raw)) {
- type = "info"
- }
- else if (errorsRe.test(raw)) {
- errorAdded = true;
- type = maxErrorLevel;
- }
- else if (raw == "'{a}' is not defined.") {
- type = "warning";
- }
- else if (raw == "'{a}' is defined but never used.") {
- type = "info";
- }
- errors.push({
- row: error.line-1,
- column: error.character-1,
- text: error.reason,
- type: type,
- raw: raw
- });
- if (errorAdded) {
- // break;
- }
- }
- // console.log("lint time: " + (new Date() - start));
- this.sender.emit("annotate", errors);
- };
- }).call(JavaScriptWorker.prototype);
- });
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