// 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(config, parserConf) {
function wordRegexp(words, end) {
if (typeof end === "undefined") { end = "\\b"; }
return new RegExp("^((" + words.join(")|(") + "))" + end);
}
var octChar = "\\\\[0-7]{1,3}";
var hexChar = "\\\\x[A-Fa-f0-9]{1,2}";
var sChar = "\\\\[abefnrtv0%?'\"\\\\]";
var uChar = "([^\\u0027\\u005C\\uD800-\\uDFFF]|[\\uD800-\\uDFFF][\\uDC00-\\uDFFF])";
var operators = parserConf.operators || wordRegexp([
"\\.?[\\\\%*+\\-<>!=\\/^]=?", "\\.?[|&\\u00F7\\u2260\\u2264\\u2265]",
"\\u00D7", "\\u2208", "\\u2209", "\\u220B", "\\u220C", "\\u2229",
"\\u222A", "\\u2286", "\\u2288", "\\u228A", "\\u22c5", "\\?", "~", ":",
"\\$", "\\.[<>]", "<<=?", ">>>?=?", "\\.[<>=]=", "->?", "\\/\\/", "=>",
"<:", "\\bin\\b(?!\\()"], "");
var delimiters = parserConf.delimiters || /^[;,()[\]{}]/;
var identifiers = parserConf.identifiers || /^[_A-Za-z\u00A1-\uFFFF][\w\u00A1-\uFFFF]*!*/;
var chars = wordRegexp([octChar, hexChar, sChar, uChar], "'");
var openers = wordRegexp(["begin", "function", "type", "immutable", "let",
"macro", "for", "while", "quote", "if", "else", "elseif", "try",
"finally", "catch", "do"]);
var closers = wordRegexp(["end", "else", "elseif", "catch", "finally"]);
var keywords = wordRegexp(["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 builtins = wordRegexp(["true", "false", "nothing", "NaN", "Inf"]);
var macro = /^@[_A-Za-z][\w]*/;
var symbol = /^:[_A-Za-z\u00A1-\uFFFF][\w\u00A1-\uFFFF]*!*/;
var stringPrefixes = /^(`|"{3}|([_A-Za-z\u00A1-\uFFFF]*"))/;
function inArray(state) {
return inGenerator(state, '[')
}
function inGenerator(state, bracket) {
var curr = currentScope(state),
prev = currentScope(state, 1);
if (typeof(bracket) === "undefined") { bracket = '('; }
if (curr === bracket || (prev === bracket && curr === "for")) {
return true;
}
return false;
}
function currentScope(state, n) {
if (typeof(n) === "undefined") { n = 0; }
if (state.scopes.length <= n) {
return null;
}
return state.scopes[state.scopes.length - (n + 1)];
}
// tokenizers
function tokenBase(stream, state) {
// Handle multiline comments
if (stream.match(/^#=/, false)) {
state.tokenize = tokenComment;
return state.tokenize(stream, state);
}
// 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('[');
}
if (ch === '(') {
state.scopes.push('(');
}
var scope = currentScope(state);
if (inArray(state) && ch === ']') {
if (scope === "for") { state.scopes.pop(); }
state.scopes.pop();
state.leavingExpr = true;
}
if (inGenerator(state) && ch === ')') {
if (scope === "for") { state.scopes.pop(); }
state.scopes.pop();
state.leavingExpr = true;
}
var match;
if (match = stream.match(openers, false)) {
state.scopes.push(match[0]);
}
if (stream.match(closers, false)) {
state.scopes.pop();
}
if (inArray(state)) {
if (state.lastToken == "end" && stream.match(/^:/)) {
return "operator";
}
if (stream.match(/^end/)) {
return "number";
}
}
// Handle type annotations
if (stream.match(/^::(?![:\$])/)) {
state.tokenize = tokenAnnotation;
return state.tokenize(stream, state);
}
// 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 Number Literals
if (stream.match(/^[0-9\.]/, false)) {
var imMatcher = RegExp(/^im\b/);
var numberLiteral = false;
// Floats
if (stream.match(/^\d*\.(?!\.)\d*([Eef][\+\-]?\d+)?/i)) { numberLiteral = true; }
if (stream.match(/^\d+\.(?!\.)\d*/)) { numberLiteral = true; }
if (stream.match(/^\.\d+/)) { numberLiteral = true; }
if (stream.match(/^0x\.[0-9a-f]+p[\+\-]?\d+/i)) { numberLiteral = true; }
// Integers
if (stream.match(/^0x[0-9a-f]+/i)) { numberLiteral = true; } // Hex
if (stream.match(/^0b[01]+/i)) { numberLiteral = true; } // Binary
if (stream.match(/^0o[0-7]+/i)) { numberLiteral = true; } // Octal
if (stream.match(/^[1-9]\d*(e[\+\-]?\d+)?/)) { numberLiteral = true; } // Decimal
// Zero by itself with no other piece of number.
if (stream.match(/^0(?![\dx])/i)) { numberLiteral = true; }
if (numberLiteral) {
// Integer literals may be "long"
stream.match(imMatcher);
state.leavingExpr = true;
return "number";
}
}
// Handle Chars
if (stream.match(/^'/)) {
state.tokenize = tokenChar;
return state.tokenize(stream, state);
}
// 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 "error";
}
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)
state.scopes.pop();
state.firstParenPos = -1;
state.charsAdvanced = 0;
return "builtin";
}
state.charsAdvanced += stream.match(/^([^()]*)/)[1].length;
return callOrDef(stream, state);
}
function tokenAnnotation(stream, state) {
stream.match(/.*?(?=,|;|{|}|\(|\)|=|$|\s)/);
if (stream.match(/^{/)) {
state.nestedLevels++;
} else if (stream.match(/^}/)) {
state.nestedLevels--;
}
if (state.nestedLevels > 0) {
stream.match(/.*?(?={|})/);
} else if (state.nestedLevels == 0) {
state.tokenize = tokenBase;
}
return "builtin";
}
function tokenComment(stream, state) {
if (stream.match(/^#=/)) {
state.nestedLevels++;
}
if (!stream.match(/.*?(?=(#=|=#))/)) {
stream.skipToEnd();
}
if (stream.match(/^=#/)) {
state.nestedLevels--;
if (state.nestedLevels == 0)
state.tokenize = tokenBase;
}
return "comment";
}
function tokenChar(stream, state) {
var isChar = false, match;
if (stream.match(chars)) {
isChar = true;
} else if (match = stream.match(/\\u([a-f0-9]{1,4})(?=')/i)) {
var value = parseInt(match[1], 16);
if (value <= 55295 || value >= 57344) { // (U+0,U+D7FF), (U+E000,U+FFFF)
isChar = true;
stream.next();
}
} else if (match = stream.match(/\\U([A-Fa-f0-9]{5,8})(?=')/)) {
var value = parseInt(match[1], 16);
if (value <= 1114111) { // U+10FFFF
isChar = true;
stream.next();
}
}
if (isChar) {
state.leavingExpr = true;
state.tokenize = tokenBase;
return "string";
}
if (!stream.match(/^[^']+(?=')/)) { stream.skipToEnd(); }
if (stream.match(/^'/)) { state.tokenize = tokenBase; }
return "error";
}
function tokenStringFactory(delimiter) {
delimiter = (delimiter === '`' || delimiter === '"""') ? delimiter : '"';
function tokenString(stream, state) {
if (stream.eat('\\')) {
stream.next();
} else if (stream.match(delimiter)) {
state.tokenize = tokenBase;
state.leavingExpr = true;
return "string";
} else {
stream.eat(/[`"]/);
}
stream.eatWhile(/[^\\`"]/);
return "string";
}
return tokenString;
}
var external = {
startState: function() {
return {
tokenize: tokenBase,
scopes: [],
lastToken: null,
leavingExpr: false,
isDefinition: false,
nestedLevels: 0,
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" : "error";
}
return style;
},
indent: function(state, textAfter) {
var delta = 0;
if ( textAfter === ']' || textAfter === ')' || textAfter === "end" ||
textAfter === "else" || textAfter === "catch" || textAfter === "elseif" ||
textAfter === "finally" ) {
delta = -1;
}
return (state.scopes.length + delta) * config.indentUnit;
},
electricInput: /\b(end|else|catch|finally)\b/,
blockCommentStart: "#=",
blockCommentEnd: "=#",
lineComment: "#",
fold: "indent"
};
return external;
});
CodeMirror.defineMIME("text/x-julia", "julia");
});