103 lines
3.6 KiB
JavaScript
103 lines
3.6 KiB
JavaScript
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://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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function forEach(arr, f) {
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for (var i = 0, e = arr.length; i < e; ++i) f(arr[i]);
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}
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function arrayContains(arr, item) {
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if (!Array.prototype.indexOf) {
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var i = arr.length;
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while (i--) {
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if (arr[i] === item) {
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return true;
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}
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}
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return false;
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}
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return arr.indexOf(item) != -1;
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}
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function scriptHint(editor, _keywords, getToken) {
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// Find the token at the cursor
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var cur = editor.getCursor(), token = getToken(editor, cur), tprop = token;
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// If it's not a 'word-style' token, ignore the token.
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if (!/^[\w$_]*$/.test(token.string)) {
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token = tprop = {start: cur.ch, end: cur.ch, string: "", state: token.state,
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className: token.string == ":" ? "python-type" : null};
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}
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if (!context) var context = [];
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context.push(tprop);
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var completionList = getCompletions(token, context);
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completionList = completionList.sort();
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return {list: completionList,
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from: CodeMirror.Pos(cur.line, token.start),
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to: CodeMirror.Pos(cur.line, token.end)};
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}
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function pythonHint(editor) {
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return scriptHint(editor, pythonKeywordsU, function (e, cur) {return e.getTokenAt(cur);});
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}
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CodeMirror.registerHelper("hint", "python", pythonHint);
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var pythonKeywords = "and del from not while as elif global or with assert else if pass yield"
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+ "break except import print class exec in raise continue finally is return def for lambda try";
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var pythonKeywordsL = pythonKeywords.split(" ");
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var pythonKeywordsU = pythonKeywords.toUpperCase().split(" ");
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var pythonBuiltins = "abs divmod input open staticmethod all enumerate int ord str "
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+ "any eval isinstance pow sum basestring execfile issubclass print super"
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+ "bin file iter property tuple bool filter len range type"
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+ "bytearray float list raw_input unichr callable format locals reduce unicode"
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+ "chr frozenset long reload vars classmethod getattr map repr xrange"
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+ "cmp globals max reversed zip compile hasattr memoryview round __import__"
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+ "complex hash min set apply delattr help next setattr buffer"
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+ "dict hex object slice coerce dir id oct sorted intern ";
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var pythonBuiltinsL = pythonBuiltins.split(" ").join("() ").split(" ");
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var pythonBuiltinsU = pythonBuiltins.toUpperCase().split(" ").join("() ").split(" ");
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function getCompletions(token, context) {
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var found = [], start = token.string;
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function maybeAdd(str) {
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if (str.lastIndexOf(start, 0) == 0 && !arrayContains(found, str)) found.push(str);
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}
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function gatherCompletions(_obj) {
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forEach(pythonBuiltinsL, maybeAdd);
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forEach(pythonBuiltinsU, maybeAdd);
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forEach(pythonKeywordsL, maybeAdd);
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forEach(pythonKeywordsU, maybeAdd);
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}
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if (context) {
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// If this is a property, see if it belongs to some object we can
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// find in the current environment.
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var obj = context.pop(), base;
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if (obj.type == "variable")
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base = obj.string;
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else if(obj.type == "variable-3")
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base = ":" + obj.string;
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while (base != null && context.length)
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base = base[context.pop().string];
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if (base != null) gatherCompletions(base);
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}
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return found;
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}
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});
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