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69dae1ec1c
* Added coding style modes to SimpleMDE * Moved the CodeMirror addon from simplemd to codemirror directory
179 lines
5.7 KiB
JavaScript
179 lines
5.7 KiB
JavaScript
// 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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/*
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* Pig Latin Mode for CodeMirror 2
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* @author Prasanth Jayachandran
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* @link https://github.com/prasanthj/pig-codemirror-2
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* This implementation is adapted from PL/SQL mode in CodeMirror 2.
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*/
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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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CodeMirror.defineMode("pig", function(_config, parserConfig) {
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var keywords = parserConfig.keywords,
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builtins = parserConfig.builtins,
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types = parserConfig.types,
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multiLineStrings = parserConfig.multiLineStrings;
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var isOperatorChar = /[*+\-%<>=&?:\/!|]/;
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function chain(stream, state, f) {
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state.tokenize = f;
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return f(stream, state);
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}
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function tokenComment(stream, state) {
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var isEnd = false;
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var ch;
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while(ch = stream.next()) {
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if(ch == "/" && isEnd) {
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state.tokenize = tokenBase;
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break;
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}
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isEnd = (ch == "*");
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}
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return "comment";
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}
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function tokenString(quote) {
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return function(stream, state) {
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var escaped = false, next, end = false;
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while((next = stream.next()) != null) {
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if (next == quote && !escaped) {
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end = true; break;
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}
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escaped = !escaped && next == "\\";
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}
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if (end || !(escaped || multiLineStrings))
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state.tokenize = tokenBase;
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return "error";
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};
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}
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function tokenBase(stream, state) {
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var ch = stream.next();
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// is a start of string?
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if (ch == '"' || ch == "'")
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return chain(stream, state, tokenString(ch));
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// is it one of the special chars
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else if(/[\[\]{}\(\),;\.]/.test(ch))
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return null;
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// is it a number?
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else if(/\d/.test(ch)) {
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stream.eatWhile(/[\w\.]/);
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return "number";
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}
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// multi line comment or operator
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else if (ch == "/") {
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if (stream.eat("*")) {
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return chain(stream, state, tokenComment);
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}
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else {
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stream.eatWhile(isOperatorChar);
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return "operator";
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}
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}
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// single line comment or operator
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else if (ch=="-") {
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if(stream.eat("-")){
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stream.skipToEnd();
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return "comment";
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}
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else {
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stream.eatWhile(isOperatorChar);
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return "operator";
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}
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}
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// is it an operator
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else if (isOperatorChar.test(ch)) {
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stream.eatWhile(isOperatorChar);
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return "operator";
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}
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else {
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// get the while word
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stream.eatWhile(/[\w\$_]/);
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// is it one of the listed keywords?
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if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) {
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//keywords can be used as variables like flatten(group), group.$0 etc..
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if (!stream.eat(")") && !stream.eat("."))
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return "keyword";
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}
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// is it one of the builtin functions?
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if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase()))
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return "variable-2";
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// is it one of the listed types?
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if (types && types.propertyIsEnumerable(stream.current().toUpperCase()))
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return "variable-3";
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// default is a 'variable'
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return "variable";
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}
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}
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// Interface
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return {
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startState: function() {
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return {
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tokenize: tokenBase,
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startOfLine: true
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};
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},
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token: function(stream, state) {
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if(stream.eatSpace()) return null;
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var style = state.tokenize(stream, state);
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return style;
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}
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};
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});
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(function() {
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function keywords(str) {
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var obj = {}, words = str.split(" ");
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for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
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return obj;
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}
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// builtin funcs taken from trunk revision 1303237
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var pBuiltins = "ABS ACOS ARITY ASIN ATAN AVG BAGSIZE BINSTORAGE BLOOM BUILDBLOOM CBRT CEIL "
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+ "CONCAT COR COS COSH COUNT COUNT_STAR COV CONSTANTSIZE CUBEDIMENSIONS DIFF DISTINCT DOUBLEABS "
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+ "DOUBLEAVG DOUBLEBASE DOUBLEMAX DOUBLEMIN DOUBLEROUND DOUBLESUM EXP FLOOR FLOATABS FLOATAVG "
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+ "FLOATMAX FLOATMIN FLOATROUND FLOATSUM GENERICINVOKER INDEXOF INTABS INTAVG INTMAX INTMIN "
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+ "INTSUM INVOKEFORDOUBLE INVOKEFORFLOAT INVOKEFORINT INVOKEFORLONG INVOKEFORSTRING INVOKER "
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+ "ISEMPTY JSONLOADER JSONMETADATA JSONSTORAGE LAST_INDEX_OF LCFIRST LOG LOG10 LOWER LONGABS "
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+ "LONGAVG LONGMAX LONGMIN LONGSUM MAX MIN MAPSIZE MONITOREDUDF NONDETERMINISTIC OUTPUTSCHEMA "
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+ "PIGSTORAGE PIGSTREAMING RANDOM REGEX_EXTRACT REGEX_EXTRACT_ALL REPLACE ROUND SIN SINH SIZE "
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+ "SQRT STRSPLIT SUBSTRING SUM STRINGCONCAT STRINGMAX STRINGMIN STRINGSIZE TAN TANH TOBAG "
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+ "TOKENIZE TOMAP TOP TOTUPLE TRIM TEXTLOADER TUPLESIZE UCFIRST UPPER UTF8STORAGECONVERTER ";
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// taken from QueryLexer.g
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var pKeywords = "VOID IMPORT RETURNS DEFINE LOAD FILTER FOREACH ORDER CUBE DISTINCT COGROUP "
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+ "JOIN CROSS UNION SPLIT INTO IF OTHERWISE ALL AS BY USING INNER OUTER ONSCHEMA PARALLEL "
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+ "PARTITION GROUP AND OR NOT GENERATE FLATTEN ASC DESC IS STREAM THROUGH STORE MAPREDUCE "
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+ "SHIP CACHE INPUT OUTPUT STDERROR STDIN STDOUT LIMIT SAMPLE LEFT RIGHT FULL EQ GT LT GTE LTE "
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+ "NEQ MATCHES TRUE FALSE DUMP";
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// data types
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var pTypes = "BOOLEAN INT LONG FLOAT DOUBLE CHARARRAY BYTEARRAY BAG TUPLE MAP ";
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CodeMirror.defineMIME("text/x-pig", {
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name: "pig",
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builtins: keywords(pBuiltins),
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keywords: keywords(pKeywords),
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types: keywords(pTypes)
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});
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CodeMirror.registerHelper("hintWords", "pig", (pBuiltins + pTypes + pKeywords).split(" "));
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}());
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});
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