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$(function () {
var repl = new CodeMirrorREPL('interactive', {
mode: "python",
theme: "solarized dark"
}),
compilableLines = [],
//finds lines starting with "print"
re = new RegExp("\\s*print"),
//finds import statements
importre = new RegExp("\\s*import"),
//finds multuline string constants
mls = new RegExp("'''"),
//finds defining statements
defre = new RegExp("def.*|class.*"),
//test for empty line.
emptyline = new RegExp("^\\s*$"),
//a regex to check if a line is an assignment
//this regex checks whether or not a line starts with
//an identifier followed with some whitspace and then an = and then some more white space.
//it also checks if the identifier is a tuple.
assignment = /^((\s*\(\s*(\s*((\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*)|(\s*\(\s*(\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*,)*\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*\)\s*))\s*,)*\s*((\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*)|(\s*\(\s*(\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*,)*\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*\)\s*))\s*\)\s*)|(\s*\s*(\s*((\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*)|(\s*\(\s*(\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*,)*\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*\)\s*))\s*,)*\s*((\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*)|(\s*\(\s*(\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*,)*\s*((\s*[_a-zA-Z]\w*\s*)|(\s*\(\s*(\s*[_a-zA-Z]\w*\s*,)*\s*[_a-zA-Z]\w*\s*\)\s*))\s*\)\s*))\s*\s*))=/;
repl.print("Connection as "+ localStorage.getItem("user") +" granted");
repl.print("Python 2.6.7 (default, " + new Date("2017-04-13T18:24:12") + ")");
repl.isBalanced = function (code) {
var lines = code.split('\n'),
depth = 0,
mlsopened = false,
l;
for (l = 0; l < lines.length; l = l + 1) {
if (lines[l].match(/'''/) !== null && lines[l].match(/'''/).length === 1) {
mlsopened = !mlsopened;
}
if (!mlsopened && lines[l].substr(lines[l].length - 1) === ":") {
depth = depth + 1;
}
if (!mlsopened && lines[l] === "" && depth > 0) {
depth = 0 ;
}
}
return depth === 0 && !mlsopened;
};
//Loop
repl.eval = function (code) {
Sk.configure({
output: function(str) {
//strip out line-feeds
if (str.replace(/\n/g, "") !== "") {
repl.print(str);
}
},
read: function (x) {
if (Sk.builtinFiles === undefined || Sk.builtinFiles["files"][x] === undefined) {
throw "File not found: '" + x + "'";
}
return Sk.builtinFiles["files"][x];
},
retainglobals: true
});
//split lines on linefeed
var lines = code.split('\n'), index = -1, line = 0;
//it's a onliner
if (lines.length === 1) {
//if it's a statement that should be printed (not containing an = or def or class or an empty line)
if (!assignment.test(lines[0]) && !defre.test(lines[0]) && !importre.test(lines[0]) && lines[0].length > 0) {
//if it doesn't contain print make sure it doesn't print None
if (!re.test(lines[0])) {
//remove the statement
//evaluate it if nessecary
lines.push("evaluationresult = " + lines.pop());
//print the result if not None
lines.push("if not evaluationresult == None: print repr(evaluationresult)");
}
}
}
try {
//Evaluate
if (!lines || /^\s*$/.test(lines)) {
return;
}
else {
Sk.importMainWithBody("repl", false, lines.join('\n'));
}
} catch (err) {
repl.print(err);
//find the line number
if ((index = err.toString().indexOf("on line")) !== -1) {
index = parseInt(err.toString().substr(index + 8), 10);
}
//print the accumulated code with a ">" before the broken line.
//Don't add the last statement to the accumulated code
lines.forEach(function (str) {
repl.print(++line + (index === line ? ">" : " ") + ": " + str);
});
}
};
});
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