mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-26 04:01:53 +00:00
132 lines
4.2 KiB
HTML
132 lines
4.2 KiB
HTML
<!doctype html>
|
|
|
|
<title>CodeMirror: Tern Demo</title>
|
|
<meta charset="utf-8"/>
|
|
<link rel=stylesheet href="../doc/docs.css">
|
|
|
|
<link rel="stylesheet" href="../lib/codemirror.css">
|
|
<link rel="stylesheet" href="../addon/dialog/dialog.css">
|
|
<link rel="stylesheet" href="../addon/hint/show-hint.css">
|
|
<link rel="stylesheet" href="../addon/tern/tern.css">
|
|
<script src="../lib/codemirror.js"></script>
|
|
<script src="../mode/javascript/javascript.js"></script>
|
|
<script src="../addon/dialog/dialog.js"></script>
|
|
<script src="../addon/hint/show-hint.js"></script>
|
|
<script src="../addon/tern/tern.js"></script>
|
|
<script src="http://marijnhaverbeke.nl/acorn/acorn.js"></script>
|
|
<script src="http://marijnhaverbeke.nl/acorn/acorn_loose.js"></script>
|
|
<script src="http://marijnhaverbeke.nl/acorn/util/walk.js"></script>
|
|
<script src="http://ternjs.net/doc/demo/polyfill.js"></script>
|
|
<script src="http://ternjs.net/lib/signal.js"></script>
|
|
<script src="http://ternjs.net/lib/tern.js"></script>
|
|
<script src="http://ternjs.net/lib/def.js"></script>
|
|
<script src="http://ternjs.net/lib/comment.js"></script>
|
|
<script src="http://ternjs.net/lib/infer.js"></script>
|
|
<script src="http://ternjs.net/plugin/doc_comment.js"></script>
|
|
<style>
|
|
.CodeMirror {border: 1px solid #ddd;}
|
|
</style>
|
|
<div id=nav>
|
|
<a href="http://codemirror.net"><img id=logo src="../doc/logo.png"></a>
|
|
|
|
<ul>
|
|
<li><a href="../index.html">Home</a>
|
|
<li><a href="../doc/manual.html">Manual</a>
|
|
<li><a href="https://github.com/marijnh/codemirror">Code</a>
|
|
</ul>
|
|
<ul>
|
|
<li><a class=active href="#">Tern</a>
|
|
</ul>
|
|
</div>
|
|
|
|
<article>
|
|
<h2>Tern Demo</h2>
|
|
<form><textarea id="code" name="code">// Use ctrl-space to complete something
|
|
// Put the cursor in or after an expression, press ctrl-i to
|
|
// find its type
|
|
|
|
var foo = ["array", "of", "strings"];
|
|
var bar = foo.slice(0, 2).join("").split("a")[0];
|
|
|
|
// Works for locally defined types too.
|
|
|
|
function CTor() { this.size = 10; }
|
|
CTor.prototype.hallo = "hallo";
|
|
|
|
var baz = new CTor;
|
|
baz.
|
|
|
|
// You can press ctrl-q when the cursor is on a variable name to
|
|
// rename it. Try it with CTor...
|
|
|
|
// When the cursor is in an argument list, the arguments are
|
|
// shown below the editor.
|
|
|
|
[1].reduce( );
|
|
|
|
// And a little more advanced code...
|
|
|
|
(function(exports) {
|
|
exports.randomElt = function(arr) {
|
|
return arr[Math.floor(arr.length * Math.random())];
|
|
};
|
|
exports.strList = "foo".split("");
|
|
exports.intList = exports.strList.map(function(s) { return s.charCodeAt(0); });
|
|
})(window.myMod = {});
|
|
|
|
var randomStr = myMod.randomElt(myMod.strList);
|
|
var randomInt = myMod.randomElt(myMod.intList);
|
|
</textarea></p>
|
|
|
|
<p>Demonstrates integration of <a href="http://ternjs.net/">Tern</a>
|
|
and CodeMirror. The following keys are bound:</p>
|
|
|
|
<dl>
|
|
<dt>Ctrl-Space</dt><dd>Autocomplete</dd>
|
|
<dt>Ctrl-I</dt><dd>Find type at cursor</dd>
|
|
<dt>Alt-.</dt><dd>Jump to definition (Alt-, to jump back)</dd>
|
|
<dt>Ctrl-Q</dt><dd>Rename variable</dd>
|
|
<dt>Ctrl-.</dt><dd>Select all occurrences of a variable</dd>
|
|
</dl>
|
|
|
|
<p>Documentation is sparse for now. See the top of
|
|
the <a href="../addon/tern/tern.js">script</a> for a rough API
|
|
overview.</p>
|
|
|
|
<script>
|
|
function getURL(url, c) {
|
|
var xhr = new XMLHttpRequest();
|
|
xhr.open("get", url, true);
|
|
xhr.send();
|
|
xhr.onreadystatechange = function() {
|
|
if (xhr.readyState != 4) return;
|
|
if (xhr.status < 400) return c(null, xhr.responseText);
|
|
var e = new Error(xhr.responseText || "No response");
|
|
e.status = xhr.status;
|
|
c(e);
|
|
};
|
|
}
|
|
|
|
var server;
|
|
getURL("http://ternjs.net/defs/ecma5.json", function(err, code) {
|
|
if (err) throw new Error("Request for ecma5.json: " + err);
|
|
server = new CodeMirror.TernServer({defs: [JSON.parse(code)]});
|
|
editor.setOption("extraKeys", {
|
|
"Ctrl-Space": function(cm) { server.complete(cm); },
|
|
"Ctrl-I": function(cm) { server.showType(cm); },
|
|
"Alt-.": function(cm) { server.jumpToDef(cm); },
|
|
"Alt-,": function(cm) { server.jumpBack(cm); },
|
|
"Ctrl-Q": function(cm) { server.rename(cm); },
|
|
"Ctrl-.": function(cm) { server.selectName(cm); }
|
|
})
|
|
editor.on("cursorActivity", function(cm) { server.updateArgHints(cm); });
|
|
});
|
|
|
|
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
|
|
lineNumbers: true,
|
|
mode: "javascript"
|
|
});
|
|
</script>
|
|
|
|
</article>
|