CodeMirror.defineMode("verilog", function(config, parserConfig) { var indentUnit = config.indentUnit, keywords = parserConfig.keywords || {}, blockKeywords = parserConfig.blockKeywords || {}, atoms = parserConfig.atoms || {}, hooks = parserConfig.hooks || {}, multiLineStrings = parserConfig.multiLineStrings; var isOperatorChar = /[&|~><!\)\(*#%@+\/=?\:;}{,\.\^\-\[\]]/; var curPunc; function tokenBase(stream, state) { var ch = stream.next(); if (hooks[ch]) { var result = hooks[ch](stream, state); if (result !== false) return result; } if (ch == '"') { state.tokenize = tokenString(ch); return state.tokenize(stream, state); } if (/[\[\]{}\(\),;\:\.]/.test(ch)) { curPunc = ch; return null } if (/[\d']/.test(ch)) { stream.eatWhile(/[\w\.']/); return "number"; } 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 (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement"; return "keyword"; } if (atoms.propertyIsEnumerable(cur)) return "atom"; return "word"; } 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 || multiLineStrings)) 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 (stream.eatSpace()) return null; curPunc = null; var style = (state.tokenize || tokenBase)(stream, state); if (style == "comment" || style == "meta") return style; if (ctx.align == null) ctx.align = true; if ((curPunc == ";" || curPunc == ":") && ctx.type == "statement") popContext(state); else if (curPunc == "{") pushContext(state, stream.column(), "}"); else if (curPunc == "[") pushContext(state, stream.column(), "]"); else if (curPunc == "(") pushContext(state, stream.column(), ")"); else if (curPunc == "}") { while (ctx.type == "statement") ctx = popContext(state); if (ctx.type == "}") ctx = popContext(state); while (ctx.type == "statement") ctx = popContext(state); } else if (curPunc == ctx.type) popContext(state); else if (ctx.type == "}" || ctx.type == "top" || (ctx.type == "statement" && curPunc == "newstatement")) pushContext(state, stream.column(), "statement"); state.startOfLine = false; return style; }, indent: function(state, textAfter) { if (state.tokenize != tokenBase && state.tokenize != null) return 0; var firstChar = textAfter && textAfter.charAt(0), ctx = state.context, closing = firstChar == ctx.type; if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : indentUnit); else if (ctx.align) return ctx.column + (closing ? 0 : 1); else return ctx.indented + (closing ? 0 : indentUnit); }, electricChars: "{}" }; }); (function() { function words(str) { var obj = {}, words = str.split(" "); for (var i = 0; i < words.length; ++i) obj[words[i]] = true; return obj; } var verilogKeywords = "always and assign automatic begin buf bufif0 bufif1 case casex casez cell cmos config " + "deassign default defparam design disable edge else end endcase endconfig endfunction endgenerate endmodule " + "endprimitive endspecify endtable endtask event for force forever fork function generate genvar highz0 " + "highz1 if ifnone incdir include initial inout input instance integer join large liblist library localparam " + "macromodule medium module nand negedge nmos nor noshowcancelled not notif0 notif1 or output parameter pmos " + "posedge primitive pull0 pull1 pulldown pullup pulsestyle_onevent pulsestyle_ondetect rcmos real realtime " + "reg release repeat rnmos rpmos rtran rtranif0 rtranif1 scalared showcancelled signed small specify specparam " + "strong0 strong1 supply0 supply1 table task time tran tranif0 tranif1 tri tri0 tri1 triand trior trireg " + "unsigned use vectored wait wand weak0 weak1 while wire wor xnor xor"; var verilogBlockKeywords = "begin bufif0 bufif1 case casex casez config else end endcase endconfig endfunction " + "endgenerate endmodule endprimitive endspecify endtable endtask for forever function generate if ifnone " + "macromodule module primitive repeat specify table task while"; function metaHook(stream, state) { stream.eatWhile(/[\w\$_]/); return "meta"; } // C#-style strings where "" escapes a quote. function tokenAtString(stream, state) { var next; while ((next = stream.next()) != null) { if (next == '"' && !stream.eat('"')) { state.tokenize = null; break; } } return "string"; } CodeMirror.defineMIME("text/x-verilog", { name: "verilog", keywords: words(verilogKeywords), blockKeywords: words(verilogBlockKeywords), atoms: words("null"), hooks: {"`": metaHook, "$": metaHook} }); }());