CodeMirror.defineMode("go", function(config) { var indentUnit = config.indentUnit; var keywords = { "break":true, "case":true, "chan":true, "const":true, "continue":true, "default":true, "defer":true, "else":true, "fallthrough":true, "for":true, "func":true, "go":true, "goto":true, "if":true, "import":true, "interface":true, "map":true, "package":true, "range":true, "return":true, "select":true, "struct":true, "switch":true, "type":true, "var":true, "bool":true, "byte":true, "complex64":true, "complex128":true, "float32":true, "float64":true, "int8":true, "int16":true, "int32":true, "int64":true, "string":true, "uint8":true, "uint16":true, "uint32":true, "uint64":true, "int":true, "uint":true, "uintptr":true }; var atoms = { "true":true, "false":true, "iota":true, "nil":true, "append":true, "cap":true, "close":true, "complex":true, "copy":true, "imag":true, "len":true, "make":true, "new":true, "panic":true, "print":true, "println":true, "real":true, "recover":true }; var isOperatorChar = /[+\-*&^%:=<>!|\/]/; var curPunc; function tokenBase(stream, state) { var ch = stream.next(); if (ch == ' || ch == " || ch == "`") { state.tokenize = tokenString(ch); return state.tokenize(stream, state); } if (/[\d\.]/.test(ch)) { if (ch == ".") { stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/); } else if (ch == "0") { stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/); } else { stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/); } return "number"; } if (/[\[\]{}\(\),;\:\.]/.test(ch)) { curPunc = ch; return null; } if (ch == "/") { if (stream.eat("*")) { state.tokenize = tokenComment; return tokenComment(stream, state); } if (stream.eat("/")) { stream.skipToEnd(); return "comment"; } } if (isOperatorChar.test(ch)) { stream.eatWhile(isOperatorChar); return "operator"; } stream.eatWhile(/[\w\$_]/); var cur = stream.current(); if (keywords.propertyIsEnumerable(cur)) { if (cur == "case" || cur == "default") curPunc = "case"; return "keyword"; } if (atoms.propertyIsEnumerable(cur)) return "atom"; return "variable"; } function tokenString(quote) { return function(stream, state) { var escaped = false, next, end = false; while ((next = stream.next()) != null) { if (next == quote && !escaped) {end = true; break;} escaped = !escaped && next == "\\"; } if (end || !(escaped || quote == "`")) state.tokenize = tokenBase; return "string"; }; } function tokenComment(stream, state) { var maybeEnd = false, ch; while (ch = stream.next()) { if (ch == "/" && maybeEnd) { state.tokenize = tokenBase; break; } maybeEnd = (ch == "*"); } return "comment"; } function Context(indented, column, type, align, prev) { this.indented = indented; this.column = column; this.type = type; this.align = align; this.prev = prev; } function pushContext(state, col, type) { return state.context = new Context(state.indented, col, type, null, state.context); } function popContext(state) { var t = state.context.type; if (t == ")" || t == "]" || t == "}") state.indented = state.context.indented; return state.context = state.context.prev; } // Interface return { startState: function(basecolumn) { return { tokenize: null, context: new Context((basecolumn || 0) - indentUnit, 0, "top", false), indented: 0, startOfLine: true }; }, token: function(stream, state) { var ctx = state.context; if (stream.sol()) { if (ctx.align == null) ctx.align = false; state.indented = stream.indentation(); state.startOfLine = true; if (ctx.type == "case") ctx.type = "}"; } if (stream.eatSpace()) return null; curPunc = null; var style = (state.tokenize || tokenBase)(stream, state); if (style == "comment") return style; if (ctx.align == null) ctx.align = true; if (curPunc == "{") pushContext(state, stream.column(), "}"); else if (curPunc == "[") pushContext(state, stream.column(), "]"); else if (curPunc == "(") pushContext(state, stream.column(), ")"); else if (curPunc == "case") ctx.type = "case"; else if (curPunc == "}" && ctx.type == "}") ctx = popContext(state); else if (curPunc == ctx.type) popContext(state); state.startOfLine = false; return style; }, indent: function(state, textAfter) { if (state.tokenize != tokenBase && state.tokenize != null) return 0; var ctx = state.context, firstChar = textAfter && textAfter.charAt(0); if (ctx.type == "case" && /^(?:case|default)\b/.test(textAfter)) { state.context.type = "}"; return ctx.indented; } var closing = firstChar == ctx.type; if (ctx.align) return ctx.column + (closing ? 0 : 1); else return ctx.indented + (closing ? 0 : indentUnit); }, electricChars: "{}:" }; }); CodeMirror.defineMIME("text/x-go", "go");