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Diffstat (limited to 'ethereal/assets/muted/lib/go.js')
| -rw-r--r-- | ethereal/assets/muted/lib/go.js | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/ethereal/assets/muted/lib/go.js b/ethereal/assets/muted/lib/go.js new file mode 100644 index 000000000..9f1c1c4ab --- /dev/null +++ b/ethereal/assets/muted/lib/go.js @@ -0,0 +1,182 @@ +(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("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, "big": true, + "main": true, "init": true, "this":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: "{}):", + fold: "brace", + blockCommentStart: "/*", + blockCommentEnd: "*/", + lineComment: "//" + }; +}); + +CodeMirror.defineMIME("text/x-go", "go"); + +}); |