From c2805e03c84b6e598556fd06d1ede7aaeea7ce9c Mon Sep 17 00:00:00 2001
From: Valerio Virgillito
Date: Tue, 6 Mar 2012 16:17:54 -0800
Subject: Squashed commit FileIO-Build-Candidate into Master

Fixing issues with HTML and CSS URLs. Adjusted RegEx logic. Also code a mirror update and undo/redo changes were merged into this request.

Signed-off-by: Valerio Virgillito <valerio@motorola.com>
---
 imports/codemirror/mode/verilog/verilog.js | 194 +++++++++++++++++++++++++++++
 1 file changed, 194 insertions(+)
 create mode 100644 imports/codemirror/mode/verilog/verilog.js

(limited to 'imports/codemirror/mode/verilog/verilog.js')

diff --git a/imports/codemirror/mode/verilog/verilog.js b/imports/codemirror/mode/verilog/verilog.js
new file mode 100644
index 00000000..736d16ad
--- /dev/null
+++ b/imports/codemirror/mode/verilog/verilog.js
@@ -0,0 +1,194 @@
+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}
+  });
+}());
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