S2OJ/web/js/codemirror/mode/julia/julia.js

302 lines
8.0 KiB
JavaScript
Raw Normal View History

2016-07-18 16:39:37 +00:00
// 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";
CodeMirror.defineMode("julia", function(_conf, parserConf) {
var ERRORCLASS = 'error';
function wordRegexp(words) {
return new RegExp("^((" + words.join(")|(") + "))\\b");
}
var operators = parserConf.operators || /^\.?[|&^\\%*+\-<>!=\/]=?|\?|~|:|\$|\.[<>]|<<=?|>>>?=?|\.[<>=]=|->?|\/\/|\bin\b/;
var delimiters = parserConf.delimiters || /^[;,()[\]{}]/;
var identifiers = parserConf.identifiers|| /^[_A-Za-z][_A-Za-z0-9]*!*/;
var blockOpeners = ["begin", "function", "type", "immutable", "let", "macro", "for", "while", "quote", "if", "else", "elseif", "try", "finally", "catch", "do"];
var blockClosers = ["end", "else", "elseif", "catch", "finally"];
var keywordList = ['if', 'else', 'elseif', 'while', 'for', 'begin', 'let', 'end', 'do', 'try', 'catch', 'finally', 'return', 'break', 'continue', 'global', 'local', 'const', 'export', 'import', 'importall', 'using', 'function', 'macro', 'module', 'baremodule', 'type', 'immutable', 'quote', 'typealias', 'abstract', 'bitstype', 'ccall'];
var builtinList = ['true', 'false', 'enumerate', 'open', 'close', 'nothing', 'NaN', 'Inf', 'print', 'println', 'Int', 'Int8', 'Uint8', 'Int16', 'Uint16', 'Int32', 'Uint32', 'Int64', 'Uint64', 'Int128', 'Uint128', 'Bool', 'Char', 'Float16', 'Float32', 'Float64', 'Array', 'Vector', 'Matrix', 'String', 'UTF8String', 'ASCIIString', 'error', 'warn', 'info', '@printf'];
//var stringPrefixes = new RegExp("^[br]?('|\")")
var stringPrefixes = /^(`|'|"{3}|([br]?"))/;
var keywords = wordRegexp(keywordList);
var builtins = wordRegexp(builtinList);
var openers = wordRegexp(blockOpeners);
var closers = wordRegexp(blockClosers);
var macro = /^@[_A-Za-z][_A-Za-z0-9]*/;
var symbol = /^:[_A-Za-z][_A-Za-z0-9]*/;
var indentInfo = null;
function in_array(state) {
var ch = cur_scope(state);
if(ch=="[" || ch=="{") {
return true;
}
else {
return false;
}
}
function cur_scope(state) {
if(state.scopes.length==0) {
return null;
}
return state.scopes[state.scopes.length - 1];
}
// tokenizers
function tokenBase(stream, state) {
// Handle scope changes
var leaving_expr = state.leaving_expr;
if(stream.sol()) {
leaving_expr = false;
}
state.leaving_expr = false;
if(leaving_expr) {
if(stream.match(/^'+/)) {
return 'operator';
}
}
if(stream.match(/^\.{2,3}/)) {
return 'operator';
}
if (stream.eatSpace()) {
return null;
}
var ch = stream.peek();
// Handle Comments
if (ch === '#') {
stream.skipToEnd();
return 'comment';
}
if(ch==='[') {
state.scopes.push("[");
}
if(ch==='{') {
state.scopes.push("{");
}
var scope=cur_scope(state);
if(scope==='[' && ch===']') {
state.scopes.pop();
state.leaving_expr=true;
}
if(scope==='{' && ch==='}') {
state.scopes.pop();
state.leaving_expr=true;
}
if(ch===')') {
state.leaving_expr = true;
}
var match;
if(!in_array(state) && (match=stream.match(openers, false))) {
state.scopes.push(match);
}
if(!in_array(state) && stream.match(closers, false)) {
state.scopes.pop();
}
if(in_array(state)) {
if(stream.match(/^end/)) {
return 'number';
}
}
if(stream.match(/^=>/)) {
return 'operator';
}
// Handle Number Literals
if (stream.match(/^[0-9\.]/, false)) {
var imMatcher = RegExp(/^im\b/);
var floatLiteral = false;
// Floats
if (stream.match(/^\d*\.(?!\.)\d+([ef][\+\-]?\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.match(imMatcher);
state.leaving_expr = true;
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+)?/)) {
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.match(imMatcher);
state.leaving_expr = true;
return 'number';
}
}
if(stream.match(/^(::)|(<:)/)) {
return 'operator';
}
// Handle symbols
if(!leaving_expr && stream.match(symbol)) {
return 'string';
}
// Handle operators and Delimiters
if (stream.match(operators)) {
return 'operator';
}
// Handle Strings
if (stream.match(stringPrefixes)) {
state.tokenize = tokenStringFactory(stream.current());
return state.tokenize(stream, state);
}
if (stream.match(macro)) {
return 'meta';
}
if (stream.match(delimiters)) {
return null;
}
if (stream.match(keywords)) {
return 'keyword';
}
if (stream.match(builtins)) {
return 'builtin';
}
if (stream.match(identifiers)) {
state.leaving_expr=true;
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 tokenLexer(stream, state) {
indentInfo = null;
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;
}
return style;
}
var external = {
startState: function() {
return {
tokenize: tokenBase,
scopes: [],
leaving_expr: false
};
},
token: function(stream, state) {
var style = tokenLexer(stream, state);
state.lastStyle = style;
return style;
},
indent: function(state, textAfter) {
var delta = 0;
if(textAfter=="end" || textAfter=="]" || textAfter=="}" || textAfter=="else" || textAfter=="elseif" || textAfter=="catch" || textAfter=="finally") {
delta = -1;
}
return (state.scopes.length + delta) * 4;
},
lineComment: "#",
fold: "indent",
electricChars: "edlsifyh]}"
};
return external;
});
CodeMirror.defineMIME("text/x-julia", "julia");
});