mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-25 00:51:52 +00:00
160 lines
5.8 KiB
JavaScript
160 lines
5.8 KiB
JavaScript
|
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
||
|
// Distributed under an MIT license: http://codemirror.net/LICENSE
|
||
|
|
||
|
// LUA mode. Ported to CodeMirror 2 from Franciszek Wawrzak's
|
||
|
// CodeMirror 1 mode.
|
||
|
// highlights keywords, strings, comments (no leveling supported! ("[==[")), tokens, basic indenting
|
||
|
|
||
|
(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";
|
||
|
|
||
|
CodeMirror.defineMode("lua", function(config, parserConfig) {
|
||
|
var indentUnit = config.indentUnit;
|
||
|
|
||
|
function prefixRE(words) {
|
||
|
return new RegExp("^(?:" + words.join("|") + ")", "i");
|
||
|
}
|
||
|
function wordRE(words) {
|
||
|
return new RegExp("^(?:" + words.join("|") + ")$", "i");
|
||
|
}
|
||
|
var specials = wordRE(parserConfig.specials || []);
|
||
|
|
||
|
// long list of standard functions from lua manual
|
||
|
var builtins = wordRE([
|
||
|
"_G","_VERSION","assert","collectgarbage","dofile","error","getfenv","getmetatable","ipairs","load",
|
||
|
"loadfile","loadstring","module","next","pairs","pcall","print","rawequal","rawget","rawset","require",
|
||
|
"select","setfenv","setmetatable","tonumber","tostring","type","unpack","xpcall",
|
||
|
|
||
|
"coroutine.create","coroutine.resume","coroutine.running","coroutine.status","coroutine.wrap","coroutine.yield",
|
||
|
|
||
|
"debug.debug","debug.getfenv","debug.gethook","debug.getinfo","debug.getlocal","debug.getmetatable",
|
||
|
"debug.getregistry","debug.getupvalue","debug.setfenv","debug.sethook","debug.setlocal","debug.setmetatable",
|
||
|
"debug.setupvalue","debug.traceback",
|
||
|
|
||
|
"close","flush","lines","read","seek","setvbuf","write",
|
||
|
|
||
|
"io.close","io.flush","io.input","io.lines","io.open","io.output","io.popen","io.read","io.stderr","io.stdin",
|
||
|
"io.stdout","io.tmpfile","io.type","io.write",
|
||
|
|
||
|
"math.abs","math.acos","math.asin","math.atan","math.atan2","math.ceil","math.cos","math.cosh","math.deg",
|
||
|
"math.exp","math.floor","math.fmod","math.frexp","math.huge","math.ldexp","math.log","math.log10","math.max",
|
||
|
"math.min","math.modf","math.pi","math.pow","math.rad","math.random","math.randomseed","math.sin","math.sinh",
|
||
|
"math.sqrt","math.tan","math.tanh",
|
||
|
|
||
|
"os.clock","os.date","os.difftime","os.execute","os.exit","os.getenv","os.remove","os.rename","os.setlocale",
|
||
|
"os.time","os.tmpname",
|
||
|
|
||
|
"package.cpath","package.loaded","package.loaders","package.loadlib","package.path","package.preload",
|
||
|
"package.seeall",
|
||
|
|
||
|
"string.byte","string.char","string.dump","string.find","string.format","string.gmatch","string.gsub",
|
||
|
"string.len","string.lower","string.match","string.rep","string.reverse","string.sub","string.upper",
|
||
|
|
||
|
"table.concat","table.insert","table.maxn","table.remove","table.sort"
|
||
|
]);
|
||
|
var keywords = wordRE(["and","break","elseif","false","nil","not","or","return",
|
||
|
"true","function", "end", "if", "then", "else", "do",
|
||
|
"while", "repeat", "until", "for", "in", "local" ]);
|
||
|
|
||
|
var indentTokens = wordRE(["function", "if","repeat","do", "\\(", "{"]);
|
||
|
var dedentTokens = wordRE(["end", "until", "\\)", "}"]);
|
||
|
var dedentPartial = prefixRE(["end", "until", "\\)", "}", "else", "elseif"]);
|
||
|
|
||
|
function readBracket(stream) {
|
||
|
var level = 0;
|
||
|
while (stream.eat("=")) ++level;
|
||
|
stream.eat("[");
|
||
|
return level;
|
||
|
}
|
||
|
|
||
|
function normal(stream, state) {
|
||
|
var ch = stream.next();
|
||
|
if (ch == "-" && stream.eat("-")) {
|
||
|
if (stream.eat("[") && stream.eat("["))
|
||
|
return (state.cur = bracketed(readBracket(stream), "comment"))(stream, state);
|
||
|
stream.skipToEnd();
|
||
|
return "comment";
|
||
|
}
|
||
|
if (ch == "\"" || ch == "'")
|
||
|
return (state.cur = string(ch))(stream, state);
|
||
|
if (ch == "[" && /[\[=]/.test(stream.peek()))
|
||
|
return (state.cur = bracketed(readBracket(stream), "string"))(stream, state);
|
||
|
if (/\d/.test(ch)) {
|
||
|
stream.eatWhile(/[\w.%]/);
|
||
|
return "number";
|
||
|
}
|
||
|
if (/[\w_]/.test(ch)) {
|
||
|
stream.eatWhile(/[\w\\\-_.]/);
|
||
|
return "variable";
|
||
|
}
|
||
|
return null;
|
||
|
}
|
||
|
|
||
|
function bracketed(level, style) {
|
||
|
return function(stream, state) {
|
||
|
var curlev = null, ch;
|
||
|
while ((ch = stream.next()) != null) {
|
||
|
if (curlev == null) {if (ch == "]") curlev = 0;}
|
||
|
else if (ch == "=") ++curlev;
|
||
|
else if (ch == "]" && curlev == level) { state.cur = normal; break; }
|
||
|
else curlev = null;
|
||
|
}
|
||
|
return style;
|
||
|
};
|
||
|
}
|
||
|
|
||
|
function string(quote) {
|
||
|
return function(stream, state) {
|
||
|
var escaped = false, ch;
|
||
|
while ((ch = stream.next()) != null) {
|
||
|
if (ch == quote && !escaped) break;
|
||
|
escaped = !escaped && ch == "\\";
|
||
|
}
|
||
|
if (!escaped) state.cur = normal;
|
||
|
return "string";
|
||
|
};
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
startState: function(basecol) {
|
||
|
return {basecol: basecol || 0, indentDepth: 0, cur: normal};
|
||
|
},
|
||
|
|
||
|
token: function(stream, state) {
|
||
|
if (stream.eatSpace()) return null;
|
||
|
var style = state.cur(stream, state);
|
||
|
var word = stream.current();
|
||
|
if (style == "variable") {
|
||
|
if (keywords.test(word)) style = "keyword";
|
||
|
else if (builtins.test(word)) style = "builtin";
|
||
|
else if (specials.test(word)) style = "variable-2";
|
||
|
}
|
||
|
if ((style != "comment") && (style != "string")){
|
||
|
if (indentTokens.test(word)) ++state.indentDepth;
|
||
|
else if (dedentTokens.test(word)) --state.indentDepth;
|
||
|
}
|
||
|
return style;
|
||
|
},
|
||
|
|
||
|
indent: function(state, textAfter) {
|
||
|
var closing = dedentPartial.test(textAfter);
|
||
|
return state.basecol + indentUnit * (state.indentDepth - (closing ? 1 : 0));
|
||
|
},
|
||
|
|
||
|
lineComment: "--",
|
||
|
blockCommentStart: "--[[",
|
||
|
blockCommentEnd: "]]"
|
||
|
};
|
||
|
});
|
||
|
|
||
|
CodeMirror.defineMIME("text/x-lua", "lua");
|
||
|
|
||
|
});
|