S2OJ/web/js/codemirror/mode/pig/pig.js
Masco Skray 96d4a3ecf7 style(judger,web): move code out from subfolder "1"
Due to historical reasons, the code is in subfolder "1".
With SVN removal, we place the code back and remove the annoying "1" folder.
2019-06-14 23:34:41 +08:00

189 lines
6.0 KiB
JavaScript

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
/*
* Pig Latin Mode for CodeMirror 2
* @author Prasanth Jayachandran
* @link https://github.com/prasanthj/pig-codemirror-2
* This implementation is adapted from PL/SQL mode in CodeMirror 2.
*/
(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("pig", function(_config, parserConfig) {
var keywords = parserConfig.keywords,
builtins = parserConfig.builtins,
types = parserConfig.types,
multiLineStrings = parserConfig.multiLineStrings;
var isOperatorChar = /[*+\-%<>=&?:\/!|]/;
function chain(stream, state, f) {
state.tokenize = f;
return f(stream, state);
}
var type;
function ret(tp, style) {
type = tp;
return style;
}
function tokenComment(stream, state) {
var isEnd = false;
var ch;
while(ch = stream.next()) {
if(ch == "/" && isEnd) {
state.tokenize = tokenBase;
break;
}
isEnd = (ch == "*");
}
return ret("comment", "comment");
}
function tokenString(quote) {
return function(stream, state) {
var escaped = false, next, end = false;
while((next = stream.next()) != null) {
if (next == quote && !escaped) {
end = true; break;
}
escaped = !escaped && next == "\\";
}
if (end || !(escaped || multiLineStrings))
state.tokenize = tokenBase;
return ret("string", "error");
};
}
function tokenBase(stream, state) {
var ch = stream.next();
// is a start of string?
if (ch == '"' || ch == "'")
return chain(stream, state, tokenString(ch));
// is it one of the special chars
else if(/[\[\]{}\(\),;\.]/.test(ch))
return ret(ch);
// is it a number?
else if(/\d/.test(ch)) {
stream.eatWhile(/[\w\.]/);
return ret("number", "number");
}
// multi line comment or operator
else if (ch == "/") {
if (stream.eat("*")) {
return chain(stream, state, tokenComment);
}
else {
stream.eatWhile(isOperatorChar);
return ret("operator", "operator");
}
}
// single line comment or operator
else if (ch=="-") {
if(stream.eat("-")){
stream.skipToEnd();
return ret("comment", "comment");
}
else {
stream.eatWhile(isOperatorChar);
return ret("operator", "operator");
}
}
// is it an operator
else if (isOperatorChar.test(ch)) {
stream.eatWhile(isOperatorChar);
return ret("operator", "operator");
}
else {
// get the while word
stream.eatWhile(/[\w\$_]/);
// is it one of the listed keywords?
if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) {
if (stream.eat(")") || stream.eat(".")) {
//keywords can be used as variables like flatten(group), group.$0 etc..
}
else {
return ("keyword", "keyword");
}
}
// is it one of the builtin functions?
if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase()))
{
return ("keyword", "variable-2");
}
// is it one of the listed types?
if (types && types.propertyIsEnumerable(stream.current().toUpperCase()))
return ("keyword", "variable-3");
// default is a 'variable'
return ret("variable", "pig-word");
}
}
// Interface
return {
startState: function() {
return {
tokenize: tokenBase,
startOfLine: true
};
},
token: function(stream, state) {
if(stream.eatSpace()) return null;
var style = state.tokenize(stream, state);
return style;
}
};
});
(function() {
function keywords(str) {
var obj = {}, words = str.split(" ");
for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
return obj;
}
// builtin funcs taken from trunk revision 1303237
var pBuiltins = "ABS ACOS ARITY ASIN ATAN AVG BAGSIZE BINSTORAGE BLOOM BUILDBLOOM CBRT CEIL "
+ "CONCAT COR COS COSH COUNT COUNT_STAR COV CONSTANTSIZE CUBEDIMENSIONS DIFF DISTINCT DOUBLEABS "
+ "DOUBLEAVG DOUBLEBASE DOUBLEMAX DOUBLEMIN DOUBLEROUND DOUBLESUM EXP FLOOR FLOATABS FLOATAVG "
+ "FLOATMAX FLOATMIN FLOATROUND FLOATSUM GENERICINVOKER INDEXOF INTABS INTAVG INTMAX INTMIN "
+ "INTSUM INVOKEFORDOUBLE INVOKEFORFLOAT INVOKEFORINT INVOKEFORLONG INVOKEFORSTRING INVOKER "
+ "ISEMPTY JSONLOADER JSONMETADATA JSONSTORAGE LAST_INDEX_OF LCFIRST LOG LOG10 LOWER LONGABS "
+ "LONGAVG LONGMAX LONGMIN LONGSUM MAX MIN MAPSIZE MONITOREDUDF NONDETERMINISTIC OUTPUTSCHEMA "
+ "PIGSTORAGE PIGSTREAMING RANDOM REGEX_EXTRACT REGEX_EXTRACT_ALL REPLACE ROUND SIN SINH SIZE "
+ "SQRT STRSPLIT SUBSTRING SUM STRINGCONCAT STRINGMAX STRINGMIN STRINGSIZE TAN TANH TOBAG "
+ "TOKENIZE TOMAP TOP TOTUPLE TRIM TEXTLOADER TUPLESIZE UCFIRST UPPER UTF8STORAGECONVERTER ";
// taken from QueryLexer.g
var pKeywords = "VOID IMPORT RETURNS DEFINE LOAD FILTER FOREACH ORDER CUBE DISTINCT COGROUP "
+ "JOIN CROSS UNION SPLIT INTO IF OTHERWISE ALL AS BY USING INNER OUTER ONSCHEMA PARALLEL "
+ "PARTITION GROUP AND OR NOT GENERATE FLATTEN ASC DESC IS STREAM THROUGH STORE MAPREDUCE "
+ "SHIP CACHE INPUT OUTPUT STDERROR STDIN STDOUT LIMIT SAMPLE LEFT RIGHT FULL EQ GT LT GTE LTE "
+ "NEQ MATCHES TRUE FALSE DUMP";
// data types
var pTypes = "BOOLEAN INT LONG FLOAT DOUBLE CHARARRAY BYTEARRAY BAG TUPLE MAP ";
CodeMirror.defineMIME("text/x-pig", {
name: "pig",
builtins: keywords(pBuiltins),
keywords: keywords(pKeywords),
types: keywords(pTypes)
});
CodeMirror.registerHelper("hintWords", "pig", (pBuiltins + pTypes + pKeywords).split(" "));
}());
});