CodeMirror.defineMode("ruby", function(config) { function wordObj(words) { var o = {}; for (var i = 0, e = words.length; i < e; ++i) o[words[i]] = true; return o; } var keywords = wordObj([ "alias", "and", "BEGIN", "begin", "break", "case", "class", "def", "defined?", "do", "else", "elsif", "END", "end", "ensure", "false", "for", "if", "in", "module", "next", "not", "or", "redo", "rescue", "retry", "return", "self", "super", "then", "true", "undef", "unless", "until", "when", "while", "yield", "nil", "raise", "throw", "catch", "fail", "loop", "callcc", "caller", "lambda", "proc", "public", "protected", "private", "require", "load", "require_relative", "extend", "autoload" ]); var indentWords = wordObj(["def", "class", "case", "for", "while", "do", "module", "then", "catch", "loop", "proc", "begin"]); var dedentWords = wordObj(["end", "until"]); var matching = {"[": "]", "{": "}", "(": ")"}; var curPunc; function chain(newtok, stream, state) { state.tokenize.push(newtok); return newtok(stream, state); } function tokenBase(stream, state) { curPunc = null; if (stream.sol() && stream.match("=begin") && stream.eol()) { state.tokenize.push(readBlockComment); return "comment"; } if (stream.eatSpace()) return null; var ch = stream.next(), m; if (ch == "`" || ch == "'" || ch == '"' || (ch == "/" && !stream.eol() && stream.peek() != " ")) { return chain(readQuoted(ch, "string", ch == '"' || ch == "`"), stream, state); } else if (ch == "%") { var style, embed = false; if (stream.eat("s")) style = "atom"; else if (stream.eat(/[WQ]/)) { style = "string"; embed = true; } else if (stream.eat(/[wxqr]/)) style = "string"; var delim = stream.eat(/[^\w\s]/); if (!delim) return "operator"; if (matching.propertyIsEnumerable(delim)) delim = matching[delim]; return chain(readQuoted(delim, style, embed, true), stream, state); } else if (ch == "#") { stream.skipToEnd(); return "comment"; } else if (ch == "<" && (m = stream.match(/^<-?[\`\"\']?([a-zA-Z_?]\w*)[\`\"\']?(?:;|$)/))) { return chain(readHereDoc(m[1]), stream, state); } else if (ch == "0") { if (stream.eat("x")) stream.eatWhile(/[\da-fA-F]/); else if (stream.eat("b")) stream.eatWhile(/[01]/); else stream.eatWhile(/[0-7]/); return "number"; } else if (/\d/.test(ch)) { stream.match(/^[\d_]*(?:\.[\d_]+)?(?:[eE][+\-]?[\d_]+)?/); return "number"; } else if (ch == "?") { while (stream.match(/^\\[CM]-/)) {} if (stream.eat("\\")) stream.eatWhile(/\w/); else stream.next(); return "string"; } else if (ch == ":") { if (stream.eat("'")) return chain(readQuoted("'", "atom", false), stream, state); if (stream.eat('"')) return chain(readQuoted('"', "atom", true), stream, state); stream.eatWhile(/[\w\?]/); return "atom"; } else if (ch == "@") { stream.eat("@"); stream.eatWhile(/[\w\?]/); return "variable-2"; } else if (ch == "$") { stream.next(); stream.eatWhile(/[\w\?]/); return "variable-3"; } else if (/\w/.test(ch)) { stream.eatWhile(/[\w\?]/); if (stream.eat(":")) return "atom"; return "ident"; } else if (ch == "|" && (state.varList || state.lastTok == "{" || state.lastTok == "do")) { curPunc = "|"; return null; } else if (/[\(\)\[\]{}\\;]/.test(ch)) { curPunc = ch; return null; } else if (ch == "-" && stream.eat(">")) { return "arrow"; } else if (/[=+\-\/*:\.^%<>~|]/.test(ch)) { stream.eatWhile(/[=+\-\/*:\.^%<>~|]/); return "operator"; } else { return null; } } function tokenBaseUntilBrace() { var depth = 1; return function(stream, state) { if (stream.peek() == "}") { depth--; if (depth == 0) { state.tokenize.pop(); return state.tokenize[state.tokenize.length-1](stream, state); } } else if (stream.peek() == "{") { depth++; } return tokenBase(stream, state); }; } function readQuoted(quote, style, embed, unescaped) { return function(stream, state) { var escaped = false, ch; while ((ch = stream.next()) != null) { if (ch == quote && (unescaped || !escaped)) { state.tokenize.pop(); break; } if (embed && ch == "#" && !escaped && stream.eat("{")) { state.tokenize.push(tokenBaseUntilBrace(arguments.callee)); break; } escaped = !escaped && ch == "\\"; } return style; }; } function readHereDoc(phrase) { return function(stream, state) { if (stream.match(phrase)) state.tokenize.pop(); else stream.skipToEnd(); return "string"; }; } function readBlockComment(stream, state) { if (stream.sol() && stream.match("=end") && stream.eol()) state.tokenize.pop(); stream.skipToEnd(); return "comment"; } return { startState: function() { return {tokenize: [tokenBase], indented: 0, context: {type: "top", indented: -config.indentUnit}, continuedLine: false, lastTok: null, varList: false}; }, token: function(stream, state) { if (stream.sol()) state.indented = stream.indentation(); var style = state.tokenize[state.tokenize.length-1](stream, state), kwtype; if (style == "ident") { var word = stream.current(); style = keywords.propertyIsEnumerable(stream.current()) ? "keyword" : /^[A-Z]/.test(word) ? "tag" : (state.lastTok == "def" || state.lastTok == "class" || state.varList) ? "def" : "variable"; if (indentWords.propertyIsEnumerable(word)) kwtype = "indent"; else if (dedentWords.propertyIsEnumerable(word)) kwtype = "dedent"; else if ((word == "if" || word == "unless") && stream.column() == stream.indentation()) kwtype = "indent"; } if (curPunc || (style && style != "comment")) state.lastTok = word || curPunc || style; if (curPunc == "|") state.varList = !state.varList; if (kwtype == "indent" || /[\(\[\{]/.test(curPunc)) state.context = {prev: state.context, type: curPunc || style, indented: state.indented}; else if ((kwtype == "dedent" || /[\)\]\}]/.test(curPunc)) && state.context.prev) state.context = state.context.prev; if (stream.eol()) state.continuedLine = (curPunc == "\\" || style == "operator"); return style; }, indent: function(state, textAfter) { if (state.tokenize[state.tokenize.length-1] != tokenBase) return 0; var firstChar = textAfter && textAfter.charAt(0); var ct = state.context; var closing = ct.type == matching[firstChar] || ct.type == "keyword" && /^(?:end|until|else|elsif|when|rescue)\b/.test(textAfter); return ct.indented + (closing ? 0 : config.indentUnit) + (state.continuedLine ? config.indentUnit : 0); }, electricChars: "}de", // enD and rescuE lineComment: "#" }; }); CodeMirror.defineMIME("text/x-ruby", "ruby");