292 lines
9.8 KiB
JavaScript
292 lines
9.8 KiB
JavaScript
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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var GUTTER_ID = "CodeMirror-lint-markers";
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var LINT_LINE_ID = "CodeMirror-lint-line-";
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function showTooltip(cm, e, content) {
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var tt = document.createElement("div");
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tt.className = "CodeMirror-lint-tooltip cm-s-" + cm.options.theme;
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tt.appendChild(content.cloneNode(true));
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if (cm.state.lint.options.selfContain)
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cm.getWrapperElement().appendChild(tt);
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else
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document.body.appendChild(tt);
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function position(e) {
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if (!tt.parentNode) return CodeMirror.off(document, "mousemove", position);
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tt.style.top = Math.max(0, e.clientY - tt.offsetHeight - 5) + "px";
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tt.style.left = (e.clientX + 5) + "px";
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}
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CodeMirror.on(document, "mousemove", position);
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position(e);
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if (tt.style.opacity != null) tt.style.opacity = 1;
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return tt;
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}
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function rm(elt) {
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if (elt.parentNode) elt.parentNode.removeChild(elt);
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}
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function hideTooltip(tt) {
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if (!tt.parentNode) return;
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if (tt.style.opacity == null) rm(tt);
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tt.style.opacity = 0;
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setTimeout(function() { rm(tt); }, 600);
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}
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function showTooltipFor(cm, e, content, node) {
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var tooltip = showTooltip(cm, e, content);
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function hide() {
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CodeMirror.off(node, "mouseout", hide);
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if (tooltip) { hideTooltip(tooltip); tooltip = null; }
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}
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var poll = setInterval(function() {
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if (tooltip) for (var n = node;; n = n.parentNode) {
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if (n && n.nodeType == 11) n = n.host;
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if (n == document.body) return;
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if (!n) { hide(); break; }
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}
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if (!tooltip) return clearInterval(poll);
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}, 400);
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CodeMirror.on(node, "mouseout", hide);
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}
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function LintState(cm, conf, hasGutter) {
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this.marked = [];
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if (conf instanceof Function) conf = {getAnnotations: conf};
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if (!conf || conf === true) conf = {};
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this.options = {};
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this.linterOptions = conf.options || {};
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for (var prop in defaults) this.options[prop] = defaults[prop];
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for (var prop in conf) {
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if (defaults.hasOwnProperty(prop)) {
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if (conf[prop] != null) this.options[prop] = conf[prop];
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} else if (!conf.options) {
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this.linterOptions[prop] = conf[prop];
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}
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}
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this.timeout = null;
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this.hasGutter = hasGutter;
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this.onMouseOver = function(e) { onMouseOver(cm, e); };
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this.waitingFor = 0
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}
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var defaults = {
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highlightLines: false,
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tooltips: true,
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delay: 500,
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lintOnChange: true,
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getAnnotations: null,
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async: false,
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selfContain: null,
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formatAnnotation: null,
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onUpdateLinting: null
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}
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function clearMarks(cm) {
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var state = cm.state.lint;
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if (state.hasGutter) cm.clearGutter(GUTTER_ID);
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if (state.options.highlightLines) clearErrorLines(cm);
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for (var i = 0; i < state.marked.length; ++i)
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state.marked[i].clear();
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state.marked.length = 0;
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}
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function clearErrorLines(cm) {
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cm.eachLine(function(line) {
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var has = line.wrapClass && /\bCodeMirror-lint-line-\w+\b/.exec(line.wrapClass);
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if (has) cm.removeLineClass(line, "wrap", has[0]);
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})
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}
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function makeMarker(cm, labels, severity, multiple, tooltips) {
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var marker = document.createElement("div"), inner = marker;
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marker.className = "CodeMirror-lint-marker CodeMirror-lint-marker-" + severity;
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if (multiple) {
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inner = marker.appendChild(document.createElement("div"));
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inner.className = "CodeMirror-lint-marker CodeMirror-lint-marker-multiple";
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}
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if (tooltips != false) CodeMirror.on(inner, "mouseover", function(e) {
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showTooltipFor(cm, e, labels, inner);
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});
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return marker;
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}
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function getMaxSeverity(a, b) {
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if (a == "error") return a;
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else return b;
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}
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function groupByLine(annotations) {
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var lines = [];
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for (var i = 0; i < annotations.length; ++i) {
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var ann = annotations[i], line = ann.from.line;
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(lines[line] || (lines[line] = [])).push(ann);
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}
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return lines;
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}
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function annotationTooltip(ann) {
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var severity = ann.severity;
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if (!severity) severity = "error";
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var tip = document.createElement("div");
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tip.className = "CodeMirror-lint-message CodeMirror-lint-message-" + severity;
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if (typeof ann.messageHTML != 'undefined') {
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tip.innerHTML = ann.messageHTML;
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} else {
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tip.appendChild(document.createTextNode(ann.message));
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}
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return tip;
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}
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function lintAsync(cm, getAnnotations) {
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var state = cm.state.lint
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var id = ++state.waitingFor
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function abort() {
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id = -1
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cm.off("change", abort)
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}
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cm.on("change", abort)
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getAnnotations(cm.getValue(), function(annotations, arg2) {
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cm.off("change", abort)
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if (state.waitingFor != id) return
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if (arg2 && annotations instanceof CodeMirror) annotations = arg2
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cm.operation(function() {updateLinting(cm, annotations)})
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}, state.linterOptions, cm);
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}
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function startLinting(cm) {
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var state = cm.state.lint;
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if (!state) return;
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var options = state.options;
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/*
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* Passing rules in `options` property prevents JSHint (and other linters) from complaining
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* about unrecognized rules like `onUpdateLinting`, `delay`, `lintOnChange`, etc.
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*/
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var getAnnotations = options.getAnnotations || cm.getHelper(CodeMirror.Pos(0, 0), "lint");
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if (!getAnnotations) return;
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if (options.async || getAnnotations.async) {
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lintAsync(cm, getAnnotations)
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} else {
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var annotations = getAnnotations(cm.getValue(), state.linterOptions, cm);
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if (!annotations) return;
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if (annotations.then) annotations.then(function(issues) {
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cm.operation(function() {updateLinting(cm, issues)})
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});
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else cm.operation(function() {updateLinting(cm, annotations)})
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}
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}
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function updateLinting(cm, annotationsNotSorted) {
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var state = cm.state.lint;
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if (!state) return;
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var options = state.options;
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clearMarks(cm);
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var annotations = groupByLine(annotationsNotSorted);
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for (var line = 0; line < annotations.length; ++line) {
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var anns = annotations[line];
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if (!anns) continue;
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// filter out duplicate messages
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var message = [];
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anns = anns.filter(function(item) { return message.indexOf(item.message) > -1 ? false : message.push(item.message) });
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var maxSeverity = null;
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var tipLabel = state.hasGutter && document.createDocumentFragment();
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for (var i = 0; i < anns.length; ++i) {
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var ann = anns[i];
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var severity = ann.severity;
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if (!severity) severity = "error";
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maxSeverity = getMaxSeverity(maxSeverity, severity);
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if (options.formatAnnotation) ann = options.formatAnnotation(ann);
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if (state.hasGutter) tipLabel.appendChild(annotationTooltip(ann));
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if (ann.to) state.marked.push(cm.markText(ann.from, ann.to, {
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className: "CodeMirror-lint-mark CodeMirror-lint-mark-" + severity,
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__annotation: ann
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}));
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}
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// use original annotations[line] to show multiple messages
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if (state.hasGutter)
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cm.setGutterMarker(line, GUTTER_ID, makeMarker(cm, tipLabel, maxSeverity, annotations[line].length > 1,
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options.tooltips));
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if (options.highlightLines)
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cm.addLineClass(line, "wrap", LINT_LINE_ID + maxSeverity);
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}
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if (options.onUpdateLinting) options.onUpdateLinting(annotationsNotSorted, annotations, cm);
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}
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function onChange(cm) {
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var state = cm.state.lint;
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if (!state) return;
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clearTimeout(state.timeout);
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state.timeout = setTimeout(function(){startLinting(cm);}, state.options.delay);
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}
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function popupTooltips(cm, annotations, e) {
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var target = e.target || e.srcElement;
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var tooltip = document.createDocumentFragment();
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for (var i = 0; i < annotations.length; i++) {
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var ann = annotations[i];
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tooltip.appendChild(annotationTooltip(ann));
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}
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showTooltipFor(cm, e, tooltip, target);
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}
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function onMouseOver(cm, e) {
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var target = e.target || e.srcElement;
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if (!/\bCodeMirror-lint-mark-/.test(target.className)) return;
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var box = target.getBoundingClientRect(), x = (box.left + box.right) / 2, y = (box.top + box.bottom) / 2;
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var spans = cm.findMarksAt(cm.coordsChar({left: x, top: y}, "client"));
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var annotations = [];
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for (var i = 0; i < spans.length; ++i) {
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var ann = spans[i].__annotation;
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if (ann) annotations.push(ann);
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}
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if (annotations.length) popupTooltips(cm, annotations, e);
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}
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CodeMirror.defineOption("lint", false, function(cm, val, old) {
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if (old && old != CodeMirror.Init) {
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clearMarks(cm);
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if (cm.state.lint.options.lintOnChange !== false)
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cm.off("change", onChange);
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CodeMirror.off(cm.getWrapperElement(), "mouseover", cm.state.lint.onMouseOver);
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clearTimeout(cm.state.lint.timeout);
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delete cm.state.lint;
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}
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if (val) {
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var gutters = cm.getOption("gutters"), hasLintGutter = false;
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for (var i = 0; i < gutters.length; ++i) if (gutters[i] == GUTTER_ID) hasLintGutter = true;
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var state = cm.state.lint = new LintState(cm, val, hasLintGutter);
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if (state.options.lintOnChange)
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cm.on("change", onChange);
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if (state.options.tooltips != false && state.options.tooltips != "gutter")
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CodeMirror.on(cm.getWrapperElement(), "mouseover", state.onMouseOver);
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startLinting(cm);
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}
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});
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CodeMirror.defineExtension("performLint", function() {
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startLinting(this);
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});
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});
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