393 lines
11 KiB
JavaScript
393 lines
11 KiB
JavaScript
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// 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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(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("julia", function(_conf, parserConf) {
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var ERRORCLASS = 'error';
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function wordRegexp(words, end) {
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if (typeof end === 'undefined') { end = "\\b"; }
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return new RegExp("^((" + words.join(")|(") + "))" + end);
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}
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var octChar = "\\\\[0-7]{1,3}";
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var hexChar = "\\\\x[A-Fa-f0-9]{1,2}";
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var specialChar = "\\\\[abfnrtv0%?'\"\\\\]";
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var singleChar = "([^\\u0027\\u005C\\uD800-\\uDFFF]|[\\uD800-\\uDFFF][\\uDC00-\\uDFFF])";
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var operators = parserConf.operators || /^\.?[|&^\\%*+\-<>!=\/]=?|\?|~|:|\$|\.[<>]|<<=?|>>>?=?|\.[<>=]=|->?|\/\/|\bin\b(?!\()|[\u2208\u2209](?!\()/;
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var delimiters = parserConf.delimiters || /^[;,()[\]{}]/;
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var identifiers = parserConf.identifiers || /^[_A-Za-z\u00A1-\uFFFF][\w\u00A1-\uFFFF]*!*/;
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var charsList = [octChar, hexChar, specialChar, singleChar];
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var blockOpeners = ["begin", "function", "type", "immutable", "let", "macro", "for", "while", "quote", "if", "else", "elseif", "try", "finally", "catch", "do"];
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var blockClosers = ["end", "else", "elseif", "catch", "finally"];
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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'];
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var builtinList = ['true', 'false', 'nothing', 'NaN', 'Inf'];
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//var stringPrefixes = new RegExp("^[br]?('|\")")
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var stringPrefixes = /^(`|"{3}|([brv]?"))/;
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var chars = wordRegexp(charsList, "'");
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var keywords = wordRegexp(keywordList);
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var builtins = wordRegexp(builtinList);
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var openers = wordRegexp(blockOpeners);
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var closers = wordRegexp(blockClosers);
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var macro = /^@[_A-Za-z][\w]*/;
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var symbol = /^:[_A-Za-z\u00A1-\uFFFF][\w\u00A1-\uFFFF]*!*/;
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var typeAnnotation = /^::[^,;"{()=$\s]+({[^}]*}+)*/;
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function inArray(state) {
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var ch = currentScope(state);
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if (ch == '[') {
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return true;
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}
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return false;
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}
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function currentScope(state) {
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if (state.scopes.length == 0) {
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return null;
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}
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return state.scopes[state.scopes.length - 1];
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}
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// tokenizers
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function tokenBase(stream, state) {
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// Handle multiline comments
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if (stream.match(/^#=/, false)) {
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state.tokenize = tokenComment;
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return state.tokenize(stream, state);
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}
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// Handle scope changes
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var leavingExpr = state.leavingExpr;
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if (stream.sol()) {
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leavingExpr = false;
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}
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state.leavingExpr = false;
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if (leavingExpr) {
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if (stream.match(/^'+/)) {
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return 'operator';
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}
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}
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if (stream.match(/^\.{2,3}/)) {
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return 'operator';
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}
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if (stream.eatSpace()) {
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return null;
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}
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var ch = stream.peek();
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// Handle single line comments
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if (ch === '#') {
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stream.skipToEnd();
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return 'comment';
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}
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if (ch === '[') {
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state.scopes.push('[');
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}
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if (ch === '(') {
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state.scopes.push('(');
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}
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var scope = currentScope(state);
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if (scope == '[' && ch === ']') {
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state.scopes.pop();
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state.leavingExpr = true;
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}
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if (scope == '(' && ch === ')') {
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state.scopes.pop();
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state.leavingExpr = true;
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}
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var match;
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if (!inArray(state) && (match=stream.match(openers, false))) {
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state.scopes.push(match);
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}
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if (!inArray(state) && stream.match(closers, false)) {
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state.scopes.pop();
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}
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if (inArray(state)) {
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if (state.lastToken == 'end' && stream.match(/^:/)) {
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return 'operator';
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}
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if (stream.match(/^end/)) {
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return 'number';
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}
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}
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if (stream.match(/^=>/)) {
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return 'operator';
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}
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// Handle Number Literals
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if (stream.match(/^[0-9\.]/, false)) {
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var imMatcher = RegExp(/^im\b/);
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var numberLiteral = false;
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// Floats
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if (stream.match(/^\d*\.(?!\.)\d*([Eef][\+\-]?\d+)?/i)) { numberLiteral = true; }
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if (stream.match(/^\d+\.(?!\.)\d*/)) { numberLiteral = true; }
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if (stream.match(/^\.\d+/)) { numberLiteral = true; }
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if (stream.match(/^0x\.[0-9a-f]+p[\+\-]?\d+/i)) { numberLiteral = true; }
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// Integers
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if (stream.match(/^0x[0-9a-f]+/i)) { numberLiteral = true; } // Hex
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if (stream.match(/^0b[01]+/i)) { numberLiteral = true; } // Binary
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if (stream.match(/^0o[0-7]+/i)) { numberLiteral = true; } // Octal
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if (stream.match(/^[1-9]\d*(e[\+\-]?\d+)?/)) { numberLiteral = true; } // Decimal
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// Zero by itself with no other piece of number.
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if (stream.match(/^0(?![\dx])/i)) { numberLiteral = true; }
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if (numberLiteral) {
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// Integer literals may be "long"
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stream.match(imMatcher);
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state.leavingExpr = true;
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return 'number';
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}
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}
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if (stream.match(/^<:/)) {
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return 'operator';
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}
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if (stream.match(typeAnnotation)) {
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return 'builtin';
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}
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// Handle symbols
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if (!leavingExpr && stream.match(symbol) || stream.match(/:\./)) {
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return 'builtin';
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}
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// Handle parametric types
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if (stream.match(/^{[^}]*}(?=\()/)) {
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return 'builtin';
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}
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// Handle operators and Delimiters
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if (stream.match(operators)) {
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return 'operator';
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}
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// Handle Chars
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if (stream.match(/^'/)) {
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state.tokenize = tokenChar;
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return state.tokenize(stream, state);
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}
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// Handle Strings
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if (stream.match(stringPrefixes)) {
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state.tokenize = tokenStringFactory(stream.current());
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return state.tokenize(stream, state);
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}
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if (stream.match(macro)) {
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return 'meta';
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}
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if (stream.match(delimiters)) {
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return null;
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}
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if (stream.match(keywords)) {
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return 'keyword';
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}
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if (stream.match(builtins)) {
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return 'builtin';
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}
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var isDefinition = state.isDefinition ||
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state.lastToken == 'function' ||
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state.lastToken == 'macro' ||
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state.lastToken == 'type' ||
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state.lastToken == 'immutable';
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if (stream.match(identifiers)) {
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if (isDefinition) {
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if (stream.peek() === '.') {
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state.isDefinition = true;
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return 'variable';
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}
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state.isDefinition = false;
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return 'def';
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}
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if (stream.match(/^({[^}]*})*\(/, false)) {
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return callOrDef(stream, state);
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}
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state.leavingExpr = true;
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return 'variable';
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}
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// Handle non-detected items
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stream.next();
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return ERRORCLASS;
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}
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function callOrDef(stream, state) {
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var match = stream.match(/^(\(\s*)/);
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if (match) {
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if (state.firstParenPos < 0)
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state.firstParenPos = state.scopes.length;
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state.scopes.push('(');
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state.charsAdvanced += match[1].length;
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}
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if (currentScope(state) == '(' && stream.match(/^\)/)) {
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state.scopes.pop();
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state.charsAdvanced += 1;
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if (state.scopes.length <= state.firstParenPos) {
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var isDefinition = stream.match(/^\s*?=(?!=)/, false);
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stream.backUp(state.charsAdvanced);
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state.firstParenPos = -1;
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state.charsAdvanced = 0;
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if (isDefinition)
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return 'def';
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return 'builtin';
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}
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}
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// Unfortunately javascript does not support multiline strings, so we have
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// to undo anything done upto here if a function call or definition splits
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// over two or more lines.
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if (stream.match(/^$/g, false)) {
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stream.backUp(state.charsAdvanced);
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while (state.scopes.length > state.firstParenPos)
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state.scopes.pop();
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state.firstParenPos = -1;
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state.charsAdvanced = 0;
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return 'builtin';
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}
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state.charsAdvanced += stream.match(/^([^()]*)/)[1].length;
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return callOrDef(stream, state);
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}
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function tokenComment(stream, state) {
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if (stream.match(/^#=/)) {
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state.weakScopes++;
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}
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if (!stream.match(/.*?(?=(#=|=#))/)) {
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stream.skipToEnd();
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}
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if (stream.match(/^=#/)) {
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state.weakScopes--;
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if (state.weakScopes == 0)
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state.tokenize = tokenBase;
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}
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return 'comment';
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}
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function tokenChar(stream, state) {
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var isChar = false, match;
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if (stream.match(chars)) {
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isChar = true;
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} else if (match = stream.match(/\\u([a-f0-9]{1,4})(?=')/i)) {
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var value = parseInt(match[1], 16);
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if (value <= 55295 || value >= 57344) { // (U+0,U+D7FF), (U+E000,U+FFFF)
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isChar = true;
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stream.next();
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}
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} else if (match = stream.match(/\\U([A-Fa-f0-9]{5,8})(?=')/)) {
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var value = parseInt(match[1], 16);
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if (value <= 1114111) { // U+10FFFF
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isChar = true;
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stream.next();
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}
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}
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if (isChar) {
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state.leavingExpr = true;
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state.tokenize = tokenBase;
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return 'string';
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}
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if (!stream.match(/^[^']+(?=')/)) { stream.skipToEnd(); }
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if (stream.match(/^'/)) { state.tokenize = tokenBase; }
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return ERRORCLASS;
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}
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function tokenStringFactory(delimiter) {
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while ('bruv'.indexOf(delimiter.charAt(0).toLowerCase()) >= 0) {
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delimiter = delimiter.substr(1);
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}
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var OUTCLASS = 'string';
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function tokenString(stream, state) {
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while (!stream.eol()) {
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stream.eatWhile(/[^"\\]/);
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if (stream.eat('\\')) {
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stream.next();
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} else if (stream.match(delimiter)) {
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state.tokenize = tokenBase;
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state.leavingExpr = true;
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return OUTCLASS;
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} else {
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stream.eat(/["]/);
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}
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}
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return OUTCLASS;
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}
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tokenString.isString = true;
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return tokenString;
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}
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var external = {
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startState: function() {
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return {
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tokenize: tokenBase,
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scopes: [],
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weakScopes: 0,
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lastToken: null,
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leavingExpr: false,
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isDefinition: false,
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charsAdvanced: 0,
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firstParenPos: -1
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};
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},
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token: function(stream, state) {
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var style = state.tokenize(stream, state);
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var current = stream.current();
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if (current && style) {
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state.lastToken = current;
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}
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// Handle '.' connected identifiers
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if (current === '.') {
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style = stream.match(identifiers, false) || stream.match(macro, false) ||
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stream.match(/\(/, false) ? 'operator' : ERRORCLASS;
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}
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return style;
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},
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indent: function(state, textAfter) {
|
||
|
|
var delta = 0;
|
||
|
|
if (textAfter == "]" || textAfter == ")" || textAfter == "end" || textAfter == "else" || textAfter == "elseif" || textAfter == "catch" || textAfter == "finally") {
|
||
|
|
delta = -1;
|
||
|
|
}
|
||
|
|
return (state.scopes.length + delta) * _conf.indentUnit;
|
||
|
|
},
|
||
|
|
|
||
|
|
electricInput: /(end|else(if)?|catch|finally)$/,
|
||
|
|
lineComment: "#",
|
||
|
|
fold: "indent"
|
||
|
|
};
|
||
|
|
return external;
|
||
|
|
});
|
||
|
|
|
||
|
|
|
||
|
|
CodeMirror.defineMIME("text/x-julia", "julia");
|
||
|
|
|
||
|
|
});
|