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Editing: verilog.js
// CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (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("verilog", function(config, parserConfig) { var indentUnit = config.indentUnit, statementIndentUnit = parserConfig.statementIndentUnit || indentUnit, dontAlignCalls = parserConfig.dontAlignCalls, noIndentKeywords = parserConfig.noIndentKeywords || [], multiLineStrings = parserConfig.multiLineStrings, hooks = parserConfig.hooks || {}; function words(str) { var obj = {}, words = str.split(" "); for (var i = 0; i < words.length; ++i) obj[words[i]] = true; return obj; } /** * Keywords from IEEE 1800-2012 */ var keywords = words( "accept_on alias always always_comb always_ff always_latch and assert assign assume automatic before begin bind " + "bins binsof bit break buf bufif0 bufif1 byte case casex casez cell chandle checker class clocking cmos config " + "const constraint context continue cover covergroup coverpoint cross deassign default defparam design disable " + "dist do edge else end endcase endchecker endclass endclocking endconfig endfunction endgenerate endgroup " + "endinterface endmodule endpackage endprimitive endprogram endproperty endspecify endsequence endtable endtask " + "enum event eventually expect export extends extern final first_match for force foreach forever fork forkjoin " + "function generate genvar global highz0 highz1 if iff ifnone ignore_bins illegal_bins implements implies import " + "incdir include initial inout input inside instance int integer interconnect interface intersect join join_any " + "join_none large let liblist library local localparam logic longint macromodule matches medium modport module " + "nand negedge nettype new nexttime nmos nor noshowcancelled not notif0 notif1 null or output package packed " + "parameter pmos posedge primitive priority program property protected pull0 pull1 pulldown pullup " + "pulsestyle_ondetect pulsestyle_onevent pure rand randc randcase randsequence rcmos real realtime ref reg " + "reject_on release repeat restrict return rnmos rpmos rtran rtranif0 rtranif1 s_always s_eventually s_nexttime " + "s_until s_until_with scalared sequence shortint shortreal showcancelled signed small soft solve specify " + "specparam static string strong strong0 strong1 struct super supply0 supply1 sync_accept_on sync_reject_on " + "table tagged task this throughout time timeprecision timeunit tran tranif0 tranif1 tri tri0 tri1 triand trior " + "trireg type typedef union unique unique0 unsigned until until_with untyped use uwire var vectored virtual void " + "wait wait_order wand weak weak0 weak1 while wildcard wire with within wor xnor xor"); /** Operators from IEEE 1800-2012 unary_operator ::= + | - | ! | ~ | & | ~& | | | ~| | ^ | ~^ | ^~ binary_operator ::= + | - | * | / | % | == | != | === | !== | ==? | !=? | && | || | ** | < | <= | > | >= | & | | | ^ | ^~ | ~^ | >> | << | >>> | <<< | -> | <-> inc_or_dec_operator ::= ++ | -- unary_module_path_operator ::= ! | ~ | & | ~& | | | ~| | ^ | ~^ | ^~ binary_module_path_operator ::= == | != | && | || | & | | | ^ | ^~ | ~^ */ var isOperatorChar = /[\+\-\*\/!~&|^%=?:]/; var isBracketChar = /[\[\]{}()]/; var unsignedNumber = /\d[0-9_]*/; var decimalLiteral = /\d*\s*'s?d\s*\d[0-9_]*/i; var binaryLiteral = /\d*\s*'s?b\s*[xz01][xz01_]*/i; var octLiteral = /\d*\s*'s?o\s*[xz0-7][xz0-7_]*/i; var hexLiteral = /\d*\s*'s?h\s*[0-9a-fxz?][0-9a-fxz?_]*/i; var realLiteral = /(\d[\d_]*(\.\d[\d_]*)?E-?[\d_]+)|(\d[\d_]*\.\d[\d_]*)/i; var closingBracketOrWord = /^((\w+)|[)}\]])/; var closingBracket = /[)}\]]/; var curPunc; var curKeyword; // Block openings which are closed by a matching keyword in the form of ("end" + keyword) // E.g. "task" => "endtask" var blockKeywords = words( "case checker class clocking config function generate interface module package" + "primitive program property specify sequence table task" ); // Opening/closing pairs var openClose = {}; for (var keyword in blockKeywords) { openClose[keyword] = "end" + keyword; } openClose["begin"] = "end"; openClose["casex"] = "endcase"; openClose["casez"] = "endcase"; openClose["do" ] = "while"; openClose["fork" ] = "join;join_any;join_none"; openClose["covergroup"] = "endgroup"; for (var i in noIndentKeywords) { var keyword = noIndentKeywords[i]; if (openClose[keyword]) { openClose[keyword] = undefined; } } // Keywords which open statements that are ended with a semi-colon var statementKeywords = words("always always_comb always_ff always_latch assert assign assume else export for foreach forever if import initial repeat while"); function tokenBase(stream, state) { var ch = stream.peek(), style; if (hooks[ch] && (style = hooks[ch](stream, state)) != false) return style; if (hooks.tokenBase && (style = hooks.tokenBase(stream, state)) != false) return style; if (/[,;:\.]/.test(ch)) { curPunc = stream.next(); return null; } if (isBracketChar.test(ch)) { curPunc = stream.next(); return "bracket"; } // Macros (tick-defines) if (ch == '`') { stream.next(); if (stream.eatWhile(/[\w\$_]/)) { return "def"; } else { return null; } } // System calls if (ch == '$') { stream.next(); if (stream.eatWhile(/[\w\$_]/)) { return "meta"; } else { return null; } } // Time literals if (ch == '#') { stream.next(); stream.eatWhile(/[\d_.]/); return "def"; } // Strings if (ch == '"') { stream.next(); state.tokenize = tokenString(ch); return state.tokenize(stream, state); } // Comments if (ch == "/") { stream.next(); if (stream.eat("*")) { state.tokenize = tokenComment; return tokenComment(stream, state); } if (stream.eat("/")) { stream.skipToEnd(); return "comment"; } stream.backUp(1); } // Numeric literals if (stream.match(realLiteral) || stream.match(decimalLiteral) || stream.match(binaryLiteral) || stream.match(octLiteral) || stream.match(hexLiteral) || stream.match(unsignedNumber) || stream.match(realLiteral)) { return "number"; } // Operators if (stream.eatWhile(isOperatorChar)) { return "meta"; } // Keywords / plain variables if (stream.eatWhile(/[\w\$_]/)) { var cur = stream.current(); if (keywords[cur]) { if (openClose[cur]) { curPunc = "newblock"; } if (statementKeywords[cur]) { curPunc = "newstatement"; } curKeyword = cur; return "keyword"; } return "variable"; } stream.next(); return null; } 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) { var indent = state.indented; var c = new Context(indent, col, type, null, state.context); return state.context = c; } function popContext(state) { var t = state.context.type; if (t == ")" || t == "]" || t == "}") { state.indented = state.context.indented; } return state.context = state.context.prev; } function isClosing(text, contextClosing) { if (text == contextClosing) { return true; } else { // contextClosing may be multiple keywords separated by ; var closingKeywords = contextClosing.split(";"); for (var i in closingKeywords) { if (text == closingKeywords[i]) { return true; } } return false; } } function buildElectricInputRegEx() { // Reindentation should occur on any bracket char: {}()[] // or on a match of any of the block closing keywords, at // the end of a line var allClosings = []; for (var i in openClose) { if (openClose[i]) { var closings = openClose[i].split(";"); for (var j in closings) { allClosings.push(closings[j]); } } } var re = new RegExp("[{}()\\[\\]]|(" + allClosings.join("|") + ")$"); return re; } // Interface return { // Regex to force current line to reindent electricInput: buildElectricInputRegEx(), startState: function(basecolumn) { var state = { tokenize: null, context: new Context((basecolumn || 0) - indentUnit, 0, "top", false), indented: 0, startOfLine: true }; if (hooks.startState) hooks.startState(state); return state; }, 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 (hooks.token) hooks.token(stream, state); if (stream.eatSpace()) return null; curPunc = null; curKeyword = null; var style = (state.tokenize || tokenBase)(stream, state); if (style == "comment" || style == "meta" || style == "variable") return style; if (ctx.align == null) ctx.align = true; if (curPunc == ctx.type) { popContext(state); } else if ((curPunc == ";" && ctx.type == "statement") || (ctx.type && isClosing(curKeyword, ctx.type))) { ctx = popContext(state); while (ctx && ctx.type == "statement") ctx = 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 (ctx && ctx.type == "endcase" && curPunc == ":") { pushContext(state, stream.column(), "statement"); } else if (curPunc == "newstatement") { pushContext(state, stream.column(), "statement"); } else if (curPunc == "newblock") { if (curKeyword == "function" && ctx && (ctx.type == "statement" || ctx.type == "endgroup")) { // The 'function' keyword can appear in some other contexts where it actually does not // indicate a function (import/export DPI and covergroup definitions). // Do nothing in this case } else if (curKeyword == "task" && ctx && ctx.type == "statement") { // Same thing for task } else { var close = openClose[curKeyword]; pushContext(state, stream.column(), close); } } state.startOfLine = false; return style; }, indent: function(state, textAfter) { if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass; if (hooks.indent) { var fromHook = hooks.indent(state); if (fromHook >= 0) return fromHook; } var ctx = state.context, firstChar = textAfter && textAfter.charAt(0); if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev; var closing = false; var possibleClosing = textAfter.match(closingBracketOrWord); if (possibleClosing) closing = isClosing(possibleClosing[0], ctx.type); if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit); else if (closingBracket.test(ctx.type) && ctx.align && !dontAlignCalls) return ctx.column + (closing ? 0 : 1); else if (ctx.type == ")" && !closing) return ctx.indented + statementIndentUnit; else return ctx.indented + (closing ? 0 : indentUnit); }, blockCommentStart: "/*", blockCommentEnd: "*/", lineComment: "//" }; }); CodeMirror.defineMIME("text/x-verilog", { name: "verilog" }); CodeMirror.defineMIME("text/x-systemverilog", { name: "verilog" }); // TLVVerilog mode var tlvchScopePrefixes = { ">": "property", "->": "property", "-": "hr", "|": "link", "?$": "qualifier", "?*": "qualifier", "@-": "variable-3", "@": "variable-3", "?": "qualifier" }; function tlvGenIndent(stream, state) { var tlvindentUnit = 2; var rtnIndent = -1, indentUnitRq = 0, curIndent = stream.indentation(); switch (state.tlvCurCtlFlowChar) { case "\\": curIndent = 0; break; case "|": if (state.tlvPrevPrevCtlFlowChar == "@") { indentUnitRq = -2; //-2 new pipe rq after cur pipe break; } if (tlvchScopePrefixes[state.tlvPrevCtlFlowChar]) indentUnitRq = 1; // +1 new scope break; case "M": // m4 if (state.tlvPrevPrevCtlFlowChar == "@") { indentUnitRq = -2; //-2 new inst rq after pipe break; } if (tlvchScopePrefixes[state.tlvPrevCtlFlowChar]) indentUnitRq = 1; // +1 new scope break; case "@": if (state.tlvPrevCtlFlowChar == "S") indentUnitRq = -1; // new pipe stage after stmts if (state.tlvPrevCtlFlowChar == "|") indentUnitRq = 1; // 1st pipe stage break; case "S": if (state.tlvPrevCtlFlowChar == "@") indentUnitRq = 1; // flow in pipe stage if (tlvchScopePrefixes[state.tlvPrevCtlFlowChar]) indentUnitRq = 1; // +1 new scope break; } var statementIndentUnit = tlvindentUnit; rtnIndent = curIndent + (indentUnitRq*statementIndentUnit); return rtnIndent >= 0 ? rtnIndent : curIndent; } CodeMirror.defineMIME("text/x-tlv", { name: "verilog", hooks: { "\\": function(stream, state) { var vxIndent = 0, style = false; var curPunc = stream.string; if ((stream.sol()) && ((/\\SV/.test(stream.string)) || (/\\TLV/.test(stream.string)))) { curPunc = (/\\TLV_version/.test(stream.string)) ? "\\TLV_version" : stream.string; stream.skipToEnd(); if (curPunc == "\\SV" && state.vxCodeActive) {state.vxCodeActive = false;}; if ((/\\TLV/.test(curPunc) && !state.vxCodeActive) || (curPunc=="\\TLV_version" && state.vxCodeActive)) {state.vxCodeActive = true;}; style = "keyword"; state.tlvCurCtlFlowChar = state.tlvPrevPrevCtlFlowChar = state.tlvPrevCtlFlowChar = ""; if (state.vxCodeActive == true) { state.tlvCurCtlFlowChar = "\\"; vxIndent = tlvGenIndent(stream, state); } state.vxIndentRq = vxIndent; } return style; }, tokenBase: function(stream, state) { var vxIndent = 0, style = false; var tlvisOperatorChar = /[\[\]=:]/; var tlvkpScopePrefixs = { "**":"variable-2", "*":"variable-2", "$$":"variable", "$":"variable", "^^":"attribute", "^":"attribute"}; var ch = stream.peek(); var vxCurCtlFlowCharValueAtStart = state.tlvCurCtlFlowChar; if (state.vxCodeActive == true) { if (/[\[\]{}\(\);\:]/.test(ch)) { // bypass nesting and 1 char punc style = "meta"; stream.next(); } else if (ch == "/") { stream.next(); if (stream.eat("/")) { stream.skipToEnd(); style = "comment"; state.tlvCurCtlFlowChar = "S"; } else { stream.backUp(1); } } else if (ch == "@") { // pipeline stage style = tlvchScopePrefixes[ch]; state.tlvCurCtlFlowChar = "@"; stream.next(); stream.eatWhile(/[\w\$_]/); } else if (stream.match(/\b[mM]4+/, true)) { // match: function(pattern, consume, caseInsensitive) // m4 pre proc stream.skipTo("("); style = "def"; state.tlvCurCtlFlowChar = "M"; } else if (ch == "!" && stream.sol()) { // v stmt in tlv region // state.tlvCurCtlFlowChar = "S"; style = "comment"; stream.next(); } else if (tlvisOperatorChar.test(ch)) { // operators stream.eatWhile(tlvisOperatorChar); style = "operator"; } else if (ch == "#") { // phy hier state.tlvCurCtlFlowChar = (state.tlvCurCtlFlowChar == "") ? ch : state.tlvCurCtlFlowChar; stream.next(); stream.eatWhile(/[+-]\d/); style = "tag"; } else if (tlvkpScopePrefixs.propertyIsEnumerable(ch)) { // special TLV operators style = tlvkpScopePrefixs[ch]; state.tlvCurCtlFlowChar = state.tlvCurCtlFlowChar == "" ? "S" : state.tlvCurCtlFlowChar; // stmt stream.next(); stream.match(/[a-zA-Z_0-9]+/); } else if (style = tlvchScopePrefixes[ch] || false) { // special TLV operators state.tlvCurCtlFlowChar = state.tlvCurCtlFlowChar == "" ? ch : state.tlvCurCtlFlowChar; stream.next(); stream.match(/[a-zA-Z_0-9]+/); } if (state.tlvCurCtlFlowChar != vxCurCtlFlowCharValueAtStart) { // flow change vxIndent = tlvGenIndent(stream, state); state.vxIndentRq = vxIndent; } } return style; }, token: function(stream, state) { if (state.vxCodeActive == true && stream.sol() && state.tlvCurCtlFlowChar != "") { state.tlvPrevPrevCtlFlowChar = state.tlvPrevCtlFlowChar; state.tlvPrevCtlFlowChar = state.tlvCurCtlFlowChar; state.tlvCurCtlFlowChar = ""; } }, indent: function(state) { return (state.vxCodeActive == true) ? state.vxIndentRq : -1; }, startState: function(state) { state.tlvCurCtlFlowChar = ""; state.tlvPrevCtlFlowChar = ""; state.tlvPrevPrevCtlFlowChar = ""; state.vxCodeActive = true; state.vxIndentRq = 0; } } }); });
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