##// END OF EJS Templates
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julia.js
364 lines | 10.1 KiB | application/javascript | JavascriptLexer
// 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(?!\()|[\u2208\u2209](?!\()/;
var delimiters = parserConf.delimiters || /^[;,()[\]{}]/;
var identifiers = parserConf.identifiers || /^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*!*/;
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'];
var builtinList = ['true', 'false', 'nothing', 'NaN', 'Inf'];
//var stringPrefixes = new RegExp("^[br]?('|\")")
var stringPrefixes = /^(`|'|"{3}|([brv]?"))/;
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\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*!*/;
var typeAnnotation = /^::[^.,;"{()=$\s]+({[^}]*}+)*/;
function inArray(state) {
var ch = currentScope(state);
if (ch == '[') {
return true;
}
return false;
}
function currentScope(state) {
if (state.scopes.length == 0) {
return null;
}
return state.scopes[state.scopes.length - 1];
}
// tokenizers
function tokenBase(stream, state) {
//Handle multiline comments
if (stream.match(/^#=\s*/)) {
state.scopes.push('#=');
}
if (currentScope(state) == '#=' && stream.match(/^=#/)) {
state.scopes.pop();
return 'comment';
}
if (state.scopes.indexOf('#=') >= 0) {
if (!stream.match(/.*?(?=(#=|=#))/)) {
stream.skipToEnd();
}
return 'comment';
}
// Handle scope changes
var leavingExpr = state.leavingExpr;
if (stream.sol()) {
leavingExpr = false;
}
state.leavingExpr = false;
if (leavingExpr) {
if (stream.match(/^'+/)) {
return 'operator';
}
}
if (stream.match(/^\.{2,3}/)) {
return 'operator';
}
if (stream.eatSpace()) {
return null;
}
var ch = stream.peek();
// Handle single line comments
if (ch === '#') {
stream.skipToEnd();
return 'comment';
}
if (ch === '[') {
state.scopes.push('[');
}
var scope = currentScope(state);
if (scope == '[' && ch === ']') {
state.scopes.pop();
state.leavingExpr = true;
}
if (scope == '(' && ch === ')') {
state.scopes.pop();
state.leavingExpr = true;
}
var match;
if (!inArray(state) && (match=stream.match(openers, false))) {
state.scopes.push(match);
}
if (!inArray(state) && stream.match(closers, false)) {
state.scopes.pop();
}
if (inArray(state)) {
if (state.lastToken == 'end' && stream.match(/^:/)) {
return 'operator';
}
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 (stream.match(/^0x\.[0-9a-f]+p[\+\-]?\d+/i)) { floatLiteral = true; }
if (floatLiteral) {
// Float literals may be "imaginary"
stream.match(imMatcher);
state.leavingExpr = 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.leavingExpr = true;
return 'number';
}
}
if (stream.match(/^<:/)) {
return 'operator';
}
if (stream.match(typeAnnotation)) {
return 'builtin';
}
// Handle symbols
if (!leavingExpr && stream.match(symbol) || stream.match(/:\./)) {
return 'builtin';
}
// Handle parametric types
if (stream.match(/^{[^}]*}(?=\()/)) {
return 'builtin';
}
// 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';
}
var isDefinition = state.isDefinition ||
state.lastToken == 'function' ||
state.lastToken == 'macro' ||
state.lastToken == 'type' ||
state.lastToken == 'immutable';
if (stream.match(identifiers)) {
if (isDefinition) {
if (stream.peek() === '.') {
state.isDefinition = true;
return 'variable';
}
state.isDefinition = false;
return 'def';
}
if (stream.match(/^({[^}]*})*\(/, false)) {
return callOrDef(stream, state);
}
state.leavingExpr = true;
return 'variable';
}
// Handle non-detected items
stream.next();
return ERRORCLASS;
}
function callOrDef(stream, state) {
var match = stream.match(/^(\(\s*)/);
if (match) {
if (state.firstParenPos < 0)
state.firstParenPos = state.scopes.length;
state.scopes.push('(');
state.charsAdvanced += match[1].length;
}
if (currentScope(state) == '(' && stream.match(/^\)/)) {
state.scopes.pop();
state.charsAdvanced += 1;
if (state.scopes.length <= state.firstParenPos) {
var isDefinition = stream.match(/^\s*?=(?!=)/, false);
stream.backUp(state.charsAdvanced);
state.firstParenPos = -1;
state.charsAdvanced = 0;
if (isDefinition)
return 'def';
return 'builtin';
}
}
// Unfortunately javascript does not support multiline strings, so we have
// to undo anything done upto here if a function call or definition splits
// over two or more lines.
if (stream.match(/^$/g, false)) {
stream.backUp(state.charsAdvanced);
while (state.scopes.length > state.firstParenPos + 1)
state.scopes.pop();
state.firstParenPos = -1;
state.charsAdvanced = 0;
return 'builtin';
}
state.charsAdvanced += stream.match(/^([^()]*)/)[1].length;
return callOrDef(stream, state);
}
function tokenStringFactory(delimiter) {
while ('bruv'.indexOf(delimiter.charAt(0).toLowerCase()) >= 0) {
delimiter = delimiter.substr(1);
}
var singleline = delimiter == "'";
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;
}
var external = {
startState: function() {
return {
tokenize: tokenBase,
scopes: [],
lastToken: null,
leavingExpr: false,
isDefinition: false,
charsAdvanced: 0,
firstParenPos: -1
};
},
token: function(stream, state) {
var style = state.tokenize(stream, state);
var current = stream.current();
if (current && style) {
state.lastToken = current;
}
// Handle '.' connected identifiers
if (current === '.') {
style = stream.match(identifiers, false) || stream.match(macro, false) ||
stream.match(/\(/, false) ? 'operator' : ERRORCLASS;
}
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) * _conf.indentUnit;
},
lineComment: "#",
fold: "indent",
electricChars: "edlsifyh]}"
};
return external;
});
CodeMirror.defineMIME("text/x-julia", "julia");
});