mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-29 23:46:21 +00:00
347 lines
12 KiB
JavaScript
347 lines
12 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
|
// Distributed under an MIT license: http://codemirror.net/LICENSE
|
|
|
|
(function(mod) {
|
|
if (typeof exports == "object" && typeof module == "object") // CommonJS
|
|
mod(require("../../lib/codemirror"));
|
|
else if (typeof define == "function" && define.amd) // AMD
|
|
define(["../../lib/codemirror"], mod);
|
|
else // Plain browser env
|
|
mod(CodeMirror);
|
|
})(function(CodeMirror) {
|
|
"use strict";
|
|
|
|
function wordRegexp(words) {
|
|
return new RegExp("^((" + words.join(")|(") + "))\\b");
|
|
}
|
|
|
|
var wordOperators = wordRegexp(["and", "or", "not", "is"]);
|
|
var commonKeywords = ["as", "assert", "break", "class", "continue",
|
|
"def", "del", "elif", "else", "except", "finally",
|
|
"for", "from", "global", "if", "import",
|
|
"lambda", "pass", "raise", "return",
|
|
"try", "while", "with", "yield", "in"];
|
|
var commonBuiltins = ["abs", "all", "any", "bin", "bool", "bytearray", "callable", "chr",
|
|
"classmethod", "compile", "complex", "delattr", "dict", "dir", "divmod",
|
|
"enumerate", "eval", "filter", "float", "format", "frozenset",
|
|
"getattr", "globals", "hasattr", "hash", "help", "hex", "id",
|
|
"input", "int", "isinstance", "issubclass", "iter", "len",
|
|
"list", "locals", "map", "max", "memoryview", "min", "next",
|
|
"object", "oct", "open", "ord", "pow", "property", "range",
|
|
"repr", "reversed", "round", "set", "setattr", "slice",
|
|
"sorted", "staticmethod", "str", "sum", "super", "tuple",
|
|
"type", "vars", "zip", "__import__", "NotImplemented",
|
|
"Ellipsis", "__debug__"];
|
|
var py2 = {builtins: ["apply", "basestring", "buffer", "cmp", "coerce", "execfile",
|
|
"file", "intern", "long", "raw_input", "reduce", "reload",
|
|
"unichr", "unicode", "xrange", "False", "True", "None"],
|
|
keywords: ["exec", "print"]};
|
|
var py3 = {builtins: ["ascii", "bytes", "exec", "print"],
|
|
keywords: ["nonlocal", "False", "True", "None"]};
|
|
|
|
CodeMirror.registerHelper("hintWords", "python", commonKeywords.concat(commonBuiltins));
|
|
|
|
function top(state) {
|
|
return state.scopes[state.scopes.length - 1];
|
|
}
|
|
|
|
CodeMirror.defineMode("python", function(conf, parserConf) {
|
|
var ERRORCLASS = "error";
|
|
|
|
var singleOperators = parserConf.singleOperators || new RegExp("^[\\+\\-\\*/%&|\\^~<>!]");
|
|
var singleDelimiters = parserConf.singleDelimiters || new RegExp("^[\\(\\)\\[\\]\\{\\}@,:`=;\\.]");
|
|
var doubleOperators = parserConf.doubleOperators || new RegExp("^((==)|(!=)|(<=)|(>=)|(<>)|(<<)|(>>)|(//)|(\\*\\*))");
|
|
var doubleDelimiters = parserConf.doubleDelimiters || new RegExp("^((\\+=)|(\\-=)|(\\*=)|(%=)|(/=)|(&=)|(\\|=)|(\\^=))");
|
|
var tripleDelimiters = parserConf.tripleDelimiters || new RegExp("^((//=)|(>>=)|(<<=)|(\\*\\*=))");
|
|
var identifiers = parserConf.identifiers|| new RegExp("^[_A-Za-z][_A-Za-z0-9]*");
|
|
var hangingIndent = parserConf.hangingIndent || conf.indentUnit;
|
|
|
|
var myKeywords = commonKeywords, myBuiltins = commonBuiltins;
|
|
if(parserConf.extra_keywords != undefined){
|
|
myKeywords = myKeywords.concat(parserConf.extra_keywords);
|
|
}
|
|
if(parserConf.extra_builtins != undefined){
|
|
myBuiltins = myBuiltins.concat(parserConf.extra_builtins);
|
|
}
|
|
if (parserConf.version && parseInt(parserConf.version, 10) == 3) {
|
|
myKeywords = myKeywords.concat(py3.keywords);
|
|
myBuiltins = myBuiltins.concat(py3.builtins);
|
|
var stringPrefixes = new RegExp("^(([rb]|(br))?('{3}|\"{3}|['\"]))", "i");
|
|
} else {
|
|
myKeywords = myKeywords.concat(py2.keywords);
|
|
myBuiltins = myBuiltins.concat(py2.builtins);
|
|
var stringPrefixes = new RegExp("^(([rub]|(ur)|(br))?('{3}|\"{3}|['\"]))", "i");
|
|
}
|
|
var keywords = wordRegexp(myKeywords);
|
|
var builtins = wordRegexp(myBuiltins);
|
|
|
|
// tokenizers
|
|
function tokenBase(stream, state) {
|
|
// Handle scope changes
|
|
if (stream.sol() && top(state).type == "py") {
|
|
var scopeOffset = top(state).offset;
|
|
if (stream.eatSpace()) {
|
|
var lineOffset = stream.indentation();
|
|
if (lineOffset > scopeOffset)
|
|
pushScope(stream, state, "py");
|
|
else if (lineOffset < scopeOffset && dedent(stream, state))
|
|
state.errorToken = true;
|
|
return null;
|
|
} else {
|
|
var style = tokenBaseInner(stream, state);
|
|
if (scopeOffset > 0 && dedent(stream, state))
|
|
style += " " + ERRORCLASS;
|
|
return style;
|
|
}
|
|
}
|
|
return tokenBaseInner(stream, state);
|
|
}
|
|
|
|
function tokenBaseInner(stream, state) {
|
|
if (stream.eatSpace()) return null;
|
|
|
|
var ch = stream.peek();
|
|
|
|
// Handle Comments
|
|
if (ch == "#") {
|
|
stream.skipToEnd();
|
|
return "comment";
|
|
}
|
|
|
|
// Handle Number Literals
|
|
if (stream.match(/^[0-9\.]/, false)) {
|
|
var floatLiteral = false;
|
|
// Floats
|
|
if (stream.match(/^\d*\.\d+(e[\+\-]?\d+)?/i)) { floatLiteral = true; }
|
|
if (stream.match(/^\d+\.\d*/)) { floatLiteral = true; }
|
|
if (stream.match(/^\.\d+/)) { floatLiteral = true; }
|
|
if (floatLiteral) {
|
|
// Float literals may be "imaginary"
|
|
stream.eat(/J/i);
|
|
return "number";
|
|
}
|
|
// Integers
|
|
var intLiteral = false;
|
|
// Hex
|
|
if (stream.match(/^0x[0-9a-f]+/i)) intLiteral = true;
|
|
// Binary
|
|
if (stream.match(/^0b[01]+/i)) intLiteral = true;
|
|
// Octal
|
|
if (stream.match(/^0o[0-7]+/i)) intLiteral = true;
|
|
// Decimal
|
|
if (stream.match(/^[1-9]\d*(e[\+\-]?\d+)?/)) {
|
|
// Decimal literals may be "imaginary"
|
|
stream.eat(/J/i);
|
|
// TODO - Can you have imaginary longs?
|
|
intLiteral = true;
|
|
}
|
|
// Zero by itself with no other piece of number.
|
|
if (stream.match(/^0(?![\dx])/i)) intLiteral = true;
|
|
if (intLiteral) {
|
|
// Integer literals may be "long"
|
|
stream.eat(/L/i);
|
|
return "number";
|
|
}
|
|
}
|
|
|
|
// Handle Strings
|
|
if (stream.match(stringPrefixes)) {
|
|
state.tokenize = tokenStringFactory(stream.current());
|
|
return state.tokenize(stream, state);
|
|
}
|
|
|
|
// Handle operators and Delimiters
|
|
if (stream.match(tripleDelimiters) || stream.match(doubleDelimiters))
|
|
return null;
|
|
|
|
if (stream.match(doubleOperators)
|
|
|| stream.match(singleOperators)
|
|
|| stream.match(wordOperators))
|
|
return "operator";
|
|
|
|
if (stream.match(singleDelimiters))
|
|
return null;
|
|
|
|
if (stream.match(keywords))
|
|
return "keyword";
|
|
|
|
if (stream.match(builtins))
|
|
return "builtin";
|
|
|
|
if (stream.match(/^(self|cls)\b/))
|
|
return "variable-2";
|
|
|
|
if (stream.match(identifiers)) {
|
|
if (state.lastToken == "def" || state.lastToken == "class")
|
|
return "def";
|
|
return "variable";
|
|
}
|
|
|
|
// Handle non-detected items
|
|
stream.next();
|
|
return ERRORCLASS;
|
|
}
|
|
|
|
function tokenStringFactory(delimiter) {
|
|
while ("rub".indexOf(delimiter.charAt(0).toLowerCase()) >= 0)
|
|
delimiter = delimiter.substr(1);
|
|
|
|
var singleline = delimiter.length == 1;
|
|
var OUTCLASS = "string";
|
|
|
|
function tokenString(stream, state) {
|
|
while (!stream.eol()) {
|
|
stream.eatWhile(/[^'"\\]/);
|
|
if (stream.eat("\\")) {
|
|
stream.next();
|
|
if (singleline && stream.eol())
|
|
return OUTCLASS;
|
|
} else if (stream.match(delimiter)) {
|
|
state.tokenize = tokenBase;
|
|
return OUTCLASS;
|
|
} else {
|
|
stream.eat(/['"]/);
|
|
}
|
|
}
|
|
if (singleline) {
|
|
if (parserConf.singleLineStringErrors)
|
|
return ERRORCLASS;
|
|
else
|
|
state.tokenize = tokenBase;
|
|
}
|
|
return OUTCLASS;
|
|
}
|
|
tokenString.isString = true;
|
|
return tokenString;
|
|
}
|
|
|
|
function pushScope(stream, state, type) {
|
|
var offset = 0, align = null;
|
|
if (type == "py") {
|
|
while (top(state).type != "py")
|
|
state.scopes.pop();
|
|
}
|
|
offset = top(state).offset + (type == "py" ? conf.indentUnit : hangingIndent);
|
|
if (type != "py" && !stream.match(/^(\s|#.*)*$/, false))
|
|
align = stream.column() + 1;
|
|
state.scopes.push({offset: offset, type: type, align: align});
|
|
}
|
|
|
|
function dedent(stream, state) {
|
|
var indented = stream.indentation();
|
|
while (top(state).offset > indented) {
|
|
if (top(state).type != "py") return true;
|
|
state.scopes.pop();
|
|
}
|
|
return top(state).offset != indented;
|
|
}
|
|
|
|
function tokenLexer(stream, state) {
|
|
var style = state.tokenize(stream, state);
|
|
var current = stream.current();
|
|
|
|
// Handle '.' connected identifiers
|
|
if (current == ".") {
|
|
style = stream.match(identifiers, false) ? null : ERRORCLASS;
|
|
if (style == null && state.lastStyle == "meta") {
|
|
// Apply 'meta' style to '.' connected identifiers when
|
|
// appropriate.
|
|
style = "meta";
|
|
}
|
|
return style;
|
|
}
|
|
|
|
// Handle decorators
|
|
if (current == "@")
|
|
return stream.match(identifiers, false) ? "meta" : ERRORCLASS;
|
|
|
|
if ((style == "variable" || style == "builtin")
|
|
&& state.lastStyle == "meta")
|
|
style = "meta";
|
|
|
|
// Handle scope changes.
|
|
if (current == "pass" || current == "return")
|
|
state.dedent += 1;
|
|
|
|
if (current == "lambda") state.lambda = true;
|
|
if (current == ":" && !state.lambda && top(state).type == "py")
|
|
pushScope(stream, state, "py");
|
|
|
|
var delimiter_index = current.length == 1 ? "[({".indexOf(current) : -1;
|
|
if (delimiter_index != -1)
|
|
pushScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
|
|
|
|
delimiter_index = "])}".indexOf(current);
|
|
if (delimiter_index != -1) {
|
|
if (top(state).type == current) state.scopes.pop();
|
|
else return ERRORCLASS;
|
|
}
|
|
if (state.dedent > 0 && stream.eol() && top(state).type == "py") {
|
|
if (state.scopes.length > 1) state.scopes.pop();
|
|
state.dedent -= 1;
|
|
}
|
|
|
|
return style;
|
|
}
|
|
|
|
var external = {
|
|
startState: function(basecolumn) {
|
|
return {
|
|
tokenize: tokenBase,
|
|
scopes: [{offset: basecolumn || 0, type: "py", align: null}],
|
|
lastStyle: null,
|
|
lastToken: null,
|
|
lambda: false,
|
|
dedent: 0
|
|
};
|
|
},
|
|
|
|
token: function(stream, state) {
|
|
var addErr = state.errorToken;
|
|
if (addErr) state.errorToken = false;
|
|
var style = tokenLexer(stream, state);
|
|
|
|
state.lastStyle = style;
|
|
|
|
var current = stream.current();
|
|
if (current && style)
|
|
state.lastToken = current;
|
|
|
|
if (stream.eol() && state.lambda)
|
|
state.lambda = false;
|
|
return addErr ? style + " " + ERRORCLASS : style;
|
|
},
|
|
|
|
indent: function(state, textAfter) {
|
|
if (state.tokenize != tokenBase)
|
|
return state.tokenize.isString ? CodeMirror.Pass : 0;
|
|
|
|
var scope = top(state);
|
|
var closing = textAfter && textAfter.charAt(0) == scope.type;
|
|
if (scope.align != null)
|
|
return scope.align - (closing ? 1 : 0);
|
|
else if (closing && state.scopes.length > 1)
|
|
return state.scopes[state.scopes.length - 2].offset;
|
|
else
|
|
return scope.offset;
|
|
},
|
|
|
|
lineComment: "#",
|
|
fold: "indent"
|
|
};
|
|
return external;
|
|
});
|
|
|
|
CodeMirror.defineMIME("text/x-python", "python");
|
|
|
|
var words = function(str) { return str.split(" "); };
|
|
|
|
CodeMirror.defineMIME("text/x-cython", {
|
|
name: "python",
|
|
extra_keywords: words("by cdef cimport cpdef ctypedef enum except"+
|
|
"extern gil include nogil property public"+
|
|
"readonly struct union DEF IF ELIF ELSE")
|
|
});
|
|
|
|
});
|