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134 lines
4.4 KiB
HTML
134 lines
4.4 KiB
HTML
9 years ago
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<!doctype html>
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<title>CodeMirror: Tern Demo</title>
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<meta charset="utf-8"/>
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<link rel=stylesheet href="../doc/docs.css">
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<link rel="stylesheet" href="../lib/codemirror.css">
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<link rel="stylesheet" href="../addon/dialog/dialog.css">
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<link rel="stylesheet" href="../addon/hint/show-hint.css">
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<link rel="stylesheet" href="../addon/tern/tern.css">
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<script src="../lib/codemirror.js"></script>
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<script src="../mode/javascript/javascript.js"></script>
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<script src="../addon/dialog/dialog.js"></script>
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<script src="../addon/hint/show-hint.js"></script>
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<script src="../addon/tern/tern.js"></script>
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<script src="http://ternjs.net/node_modules/acorn/dist/acorn.js"></script>
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<script src="http://ternjs.net/node_modules/acorn/dist/acorn_loose.js"></script>
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<script src="http://ternjs.net/node_modules/acorn/dist/walk.js"></script>
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<script src="http://ternjs.net/doc/demo/polyfill.js"></script>
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<script src="http://ternjs.net/lib/signal.js"></script>
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<script src="http://ternjs.net/lib/tern.js"></script>
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<script src="http://ternjs.net/lib/def.js"></script>
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<script src="http://ternjs.net/lib/comment.js"></script>
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<script src="http://ternjs.net/lib/infer.js"></script>
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<script src="http://ternjs.net/plugin/doc_comment.js"></script>
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<style>
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.CodeMirror {border: 1px solid #ddd;}
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</style>
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<div id=nav>
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<a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
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<ul>
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<li><a href="../index.html">Home</a>
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<li><a href="../doc/manual.html">Manual</a>
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<li><a href="https://github.com/codemirror/codemirror">Code</a>
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</ul>
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<ul>
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<li><a class=active href="#">Tern</a>
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</ul>
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</div>
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<article>
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<h2>Tern Demo</h2>
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<form><textarea id="code" name="code">// Use ctrl-space to complete something
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// Put the cursor in or after an expression, press ctrl-o to
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// find its type
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var foo = ["array", "of", "strings"];
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var bar = foo.slice(0, 2).join("").split("a")[0];
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// Works for locally defined types too.
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function CTor() { this.size = 10; }
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CTor.prototype.hallo = "hallo";
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var baz = new CTor;
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baz.
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// You can press ctrl-q when the cursor is on a variable name to
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// rename it. Try it with CTor...
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// When the cursor is in an argument list, the arguments are
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// shown below the editor.
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[1].reduce( );
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// And a little more advanced code...
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(function(exports) {
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exports.randomElt = function(arr) {
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return arr[Math.floor(arr.length * Math.random())];
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};
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exports.strList = "foo".split("");
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exports.intList = exports.strList.map(function(s) { return s.charCodeAt(0); });
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})(window.myMod = {});
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var randomStr = myMod.randomElt(myMod.strList);
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var randomInt = myMod.randomElt(myMod.intList);
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</textarea></p>
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<p>Demonstrates integration of <a href="http://ternjs.net/">Tern</a>
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and CodeMirror. The following keys are bound:</p>
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<dl>
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<dt>Ctrl-Space</dt><dd>Autocomplete</dd>
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<dt>Ctrl-O</dt><dd>Find docs for the expression at the cursor</dd>
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<dt>Ctrl-I</dt><dd>Find type at cursor</dd>
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<dt>Alt-.</dt><dd>Jump to definition (Alt-, to jump back)</dd>
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<dt>Ctrl-Q</dt><dd>Rename variable</dd>
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<dt>Ctrl-.</dt><dd>Select all occurrences of a variable</dd>
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</dl>
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<p>Documentation is sparse for now. See the top of
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the <a href="../addon/tern/tern.js">script</a> for a rough API
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overview.</p>
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<script>
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function getURL(url, c) {
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var xhr = new XMLHttpRequest();
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xhr.open("get", url, true);
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xhr.send();
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xhr.onreadystatechange = function() {
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if (xhr.readyState != 4) return;
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if (xhr.status < 400) return c(null, xhr.responseText);
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var e = new Error(xhr.responseText || "No response");
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e.status = xhr.status;
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c(e);
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};
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}
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var server;
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getURL("http://ternjs.net/defs/ecma5.json", function(err, code) {
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if (err) throw new Error("Request for ecma5.json: " + err);
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server = new CodeMirror.TernServer({defs: [JSON.parse(code)]});
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editor.setOption("extraKeys", {
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"Ctrl-Space": function(cm) { server.complete(cm); },
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"Ctrl-I": function(cm) { server.showType(cm); },
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"Ctrl-O": function(cm) { server.showDocs(cm); },
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"Alt-.": function(cm) { server.jumpToDef(cm); },
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"Alt-,": function(cm) { server.jumpBack(cm); },
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"Ctrl-Q": function(cm) { server.rename(cm); },
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"Ctrl-.": function(cm) { server.selectName(cm); }
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})
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editor.on("cursorActivity", function(cm) { server.updateArgHints(cm); });
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});
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var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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lineNumbers: true,
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mode: "javascript"
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});
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</script>
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</article>
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