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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 wordRegexp(words) {
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return new RegExp("^((" + words.join(")|(") + "))\\b");
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}
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var wordOperators = wordRegexp(["and", "or", "not", "is"]);
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var commonKeywords = ["as", "assert", "break", "class", "continue",
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"def", "del", "elif", "else", "except", "finally",
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"for", "from", "global", "if", "import",
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"lambda", "pass", "raise", "return",
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"try", "while", "with", "yield", "in"];
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var commonBuiltins = ["abs", "all", "any", "bin", "bool", "bytearray", "callable", "chr",
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"classmethod", "compile", "complex", "delattr", "dict", "dir", "divmod",
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"enumerate", "eval", "filter", "float", "format", "frozenset",
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"getattr", "globals", "hasattr", "hash", "help", "hex", "id",
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"input", "int", "isinstance", "issubclass", "iter", "len",
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"list", "locals", "map", "max", "memoryview", "min", "next",
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"object", "oct", "open", "ord", "pow", "property", "range",
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"repr", "reversed", "round", "set", "setattr", "slice",
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"sorted", "staticmethod", "str", "sum", "super", "tuple",
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"type", "vars", "zip", "__import__", "NotImplemented",
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"Ellipsis", "__debug__"];
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var py2 = {builtins: ["apply", "basestring", "buffer", "cmp", "coerce", "execfile",
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"file", "intern", "long", "raw_input", "reduce", "reload",
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"unichr", "unicode", "xrange", "False", "True", "None"],
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keywords: ["exec", "print"]};
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var py3 = {builtins: ["ascii", "bytes", "exec", "print"],
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keywords: ["nonlocal", "False", "True", "None", "async", "await"]};
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CodeMirror.registerHelper("hintWords", "python", commonKeywords.concat(commonBuiltins));
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function top(state) {
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return state.scopes[state.scopes.length - 1];
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}
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CodeMirror.defineMode("python", function(conf, parserConf) {
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var ERRORCLASS = "error";
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var singleDelimiters = parserConf.singleDelimiters || new RegExp("^[\\(\\)\\[\\]\\{\\}@,:`=;\\.]");
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var doubleOperators = parserConf.doubleOperators || new RegExp("^((==)|(!=)|(<=)|(>=)|(<>)|(<<)|(>>)|(//)|(\\*\\*))");
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var doubleDelimiters = parserConf.doubleDelimiters || new RegExp("^((\\+=)|(\\-=)|(\\*=)|(%=)|(/=)|(&=)|(\\|=)|(\\^=))");
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var tripleDelimiters = parserConf.tripleDelimiters || new RegExp("^((//=)|(>>=)|(<<=)|(\\*\\*=))");
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if (parserConf.version && parseInt(parserConf.version, 10) == 3){
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// since http://legacy.python.org/dev/peps/pep-0465/ @ is also an operator
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var singleOperators = parserConf.singleOperators || new RegExp("^[\\+\\-\\*/%&|\\^~<>!@]");
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var identifiers = parserConf.identifiers|| new RegExp("^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*");
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} else {
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var singleOperators = parserConf.singleOperators || new RegExp("^[\\+\\-\\*/%&|\\^~<>!]");
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var identifiers = parserConf.identifiers|| new RegExp("^[_A-Za-z][_A-Za-z0-9]*");
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}
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var hangingIndent = parserConf.hangingIndent || conf.indentUnit;
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var myKeywords = commonKeywords, myBuiltins = commonBuiltins;
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if(parserConf.extra_keywords != undefined){
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myKeywords = myKeywords.concat(parserConf.extra_keywords);
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}
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if(parserConf.extra_builtins != undefined){
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myBuiltins = myBuiltins.concat(parserConf.extra_builtins);
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}
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if (parserConf.version && parseInt(parserConf.version, 10) == 3) {
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myKeywords = myKeywords.concat(py3.keywords);
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myBuiltins = myBuiltins.concat(py3.builtins);
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var stringPrefixes = new RegExp("^(([rb]|(br))?('{3}|\"{3}|['\"]))", "i");
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} else {
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myKeywords = myKeywords.concat(py2.keywords);
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myBuiltins = myBuiltins.concat(py2.builtins);
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var stringPrefixes = new RegExp("^(([rub]|(ur)|(br))?('{3}|\"{3}|['\"]))", "i");
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}
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var keywords = wordRegexp(myKeywords);
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var builtins = wordRegexp(myBuiltins);
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// tokenizers
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function tokenBase(stream, state) {
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// Handle scope changes
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if (stream.sol() && top(state).type == "py") {
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var scopeOffset = top(state).offset;
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if (stream.eatSpace()) {
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var lineOffset = stream.indentation();
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if (lineOffset > scopeOffset)
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pushScope(stream, state, "py");
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else if (lineOffset < scopeOffset && dedent(stream, state))
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state.errorToken = true;
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return null;
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} else {
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var style = tokenBaseInner(stream, state);
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if (scopeOffset > 0 && dedent(stream, state))
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style += " " + ERRORCLASS;
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return style;
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}
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}
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return tokenBaseInner(stream, state);
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}
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function tokenBaseInner(stream, state) {
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if (stream.eatSpace()) return null;
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var ch = stream.peek();
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// Handle Comments
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if (ch == "#") {
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stream.skipToEnd();
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return "comment";
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}
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// Handle Number Literals
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if (stream.match(/^[0-9\.]/, false)) {
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var floatLiteral = false;
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// Floats
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if (stream.match(/^\d*\.\d+(e[\+\-]?\d+)?/i)) { floatLiteral = true; }
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if (stream.match(/^\d+\.\d*/)) { floatLiteral = true; }
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if (stream.match(/^\.\d+/)) { floatLiteral = true; }
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if (floatLiteral) {
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// Float literals may be "imaginary"
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stream.eat(/J/i);
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return "number";
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}
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// Integers
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var intLiteral = false;
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// Hex
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if (stream.match(/^0x[0-9a-f]+/i)) intLiteral = true;
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// Binary
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if (stream.match(/^0b[01]+/i)) intLiteral = true;
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// Octal
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if (stream.match(/^0o[0-7]+/i)) intLiteral = true;
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// Decimal
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if (stream.match(/^[1-9]\d*(e[\+\-]?\d+)?/)) {
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// Decimal literals may be "imaginary"
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stream.eat(/J/i);
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// TODO - Can you have imaginary longs?
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intLiteral = true;
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}
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// Zero by itself with no other piece of number.
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if (stream.match(/^0(?![\dx])/i)) intLiteral = true;
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if (intLiteral) {
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// Integer literals may be "long"
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stream.eat(/L/i);
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return "number";
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}
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}
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// Handle Strings
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if (stream.match(stringPrefixes)) {
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state.tokenize = tokenStringFactory(stream.current());
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return state.tokenize(stream, state);
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}
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// Handle operators and Delimiters
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if (stream.match(tripleDelimiters) || stream.match(doubleDelimiters))
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return null;
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if (stream.match(doubleOperators) || stream.match(singleOperators))
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return "operator";
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if (stream.match(singleDelimiters))
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return null;
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if (stream.match(keywords) || stream.match(wordOperators))
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return "keyword";
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if (stream.match(builtins))
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return "builtin";
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if (stream.match(/^(self|cls)\b/))
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return "variable-2";
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if (stream.match(identifiers)) {
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if (state.lastToken == "def" || state.lastToken == "class")
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return "def";
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return "variable";
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}
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// Handle non-detected items
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stream.next();
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return ERRORCLASS;
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}
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function tokenStringFactory(delimiter) {
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while ("rub".indexOf(delimiter.charAt(0).toLowerCase()) >= 0)
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delimiter = delimiter.substr(1);
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var singleline = delimiter.length == 1;
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var OUTCLASS = "string";
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function tokenString(stream, state) {
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while (!stream.eol()) {
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stream.eatWhile(/[^'"\\]/);
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if (stream.eat("\\")) {
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stream.next();
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if (singleline && stream.eol())
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return OUTCLASS;
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} else if (stream.match(delimiter)) {
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state.tokenize = tokenBase;
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return OUTCLASS;
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} else {
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stream.eat(/['"]/);
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}
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}
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if (singleline) {
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if (parserConf.singleLineStringErrors)
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return ERRORCLASS;
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else
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state.tokenize = tokenBase;
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}
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return OUTCLASS;
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}
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tokenString.isString = true;
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return tokenString;
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}
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function pushScope(stream, state, type) {
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var offset = 0, align = null;
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if (type == "py") {
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while (top(state).type != "py")
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state.scopes.pop();
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}
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offset = top(state).offset + (type == "py" ? conf.indentUnit : hangingIndent);
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if (type != "py" && !stream.match(/^(\s|#.*)*$/, false))
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align = stream.column() + 1;
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state.scopes.push({offset: offset, type: type, align: align});
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}
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function dedent(stream, state) {
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var indented = stream.indentation();
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while (top(state).offset > indented) {
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if (top(state).type != "py") return true;
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state.scopes.pop();
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}
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return top(state).offset != indented;
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}
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function tokenLexer(stream, state) {
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var style = state.tokenize(stream, state);
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var current = stream.current();
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// Handle '.' connected identifiers
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if (current == ".") {
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style = stream.match(identifiers, false) ? null : ERRORCLASS;
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if (style == null && state.lastStyle == "meta") {
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// Apply 'meta' style to '.' connected identifiers when
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// appropriate.
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style = "meta";
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}
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return style;
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}
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// Handle decorators
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if (current == "@"){
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if(parserConf.version && parseInt(parserConf.version, 10) == 3){
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return stream.match(identifiers, false) ? "meta" : "operator";
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} else {
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return stream.match(identifiers, false) ? "meta" : ERRORCLASS;
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}
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}
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if ((style == "variable" || style == "builtin")
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&& state.lastStyle == "meta")
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style = "meta";
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// Handle scope changes.
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if (current == "pass" || current == "return")
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state.dedent += 1;
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if (current == "lambda") state.lambda = true;
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if (current == ":" && !state.lambda && top(state).type == "py")
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pushScope(stream, state, "py");
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var delimiter_index = current.length == 1 ? "[({".indexOf(current) : -1;
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if (delimiter_index != -1)
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pushScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
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delimiter_index = "])}".indexOf(current);
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if (delimiter_index != -1) {
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if (top(state).type == current) state.scopes.pop();
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else return ERRORCLASS;
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}
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if (state.dedent > 0 && stream.eol() && top(state).type == "py") {
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if (state.scopes.length > 1) state.scopes.pop();
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state.dedent -= 1;
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}
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return style;
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}
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var external = {
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startState: function(basecolumn) {
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return {
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tokenize: tokenBase,
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scopes: [{offset: basecolumn || 0, type: "py", align: null}],
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lastStyle: null,
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lastToken: null,
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lambda: false,
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dedent: 0
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};
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},
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token: function(stream, state) {
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var addErr = state.errorToken;
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if (addErr) state.errorToken = false;
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var style = tokenLexer(stream, state);
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state.lastStyle = style;
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var current = stream.current();
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if (current && style)
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state.lastToken = current;
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if (stream.eol() && state.lambda)
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state.lambda = false;
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return addErr ? style + " " + ERRORCLASS : style;
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},
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indent: function(state, textAfter) {
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if (state.tokenize != tokenBase)
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return state.tokenize.isString ? CodeMirror.Pass : 0;
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var scope = top(state);
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var closing = textAfter && textAfter.charAt(0) == scope.type;
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if (scope.align != null)
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return scope.align - (closing ? 1 : 0);
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else if (closing && state.scopes.length > 1)
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return state.scopes[state.scopes.length - 2].offset;
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else
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return scope.offset;
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},
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closeBrackets: {triples: "'\""},
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lineComment: "#",
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fold: "indent"
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};
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return external;
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});
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CodeMirror.defineMIME("text/x-python", "python");
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var words = function(str) { return str.split(" "); };
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CodeMirror.defineMIME("text/x-cython", {
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name: "python",
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extra_keywords: words("by cdef cimport cpdef ctypedef enum except"+
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"extern gil include nogil property public"+
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"readonly struct union DEF IF ELIF ELSE")
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});
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});
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