Version 0.8.10.4

dart/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/parser/Parser.java

Index: dart/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/parser/Parser.java
===================================================================
--- dart/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/parser/Parser.java	(revision 29808)
+++ dart/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/parser/Parser.java	(working copy)
@@ -1934,14 +1934,21 @@
    * @return {@code true} if the given token appears to be the beginning of an operator declaration
    */
   private boolean isOperator(Token startToken) {
-    if (startToken.isOperator()) {
-      Token token = startToken.getNext();
-      while (token.isOperator()) {
-        token = token.getNext();
-      }
-      return matches(token, TokenType.OPEN_PAREN);
+    // Accept any operator here, even if it is not user definable.
+    if (!startToken.isOperator()) {
+      return false;
     }
-    return false;
+    // Token "=" means that it is actually field initializer.
+    if (startToken.getType() == TokenType.EQ) {
+      return false;
+    }
+    // Consume all operator tokens.
+    Token token = startToken.getNext();
+    while (token.isOperator()) {
+      token = token.getNext();
+    }
+    // Formal parameter list is expect now.
+    return matches(token, TokenType.OPEN_PAREN);
   }
 
   /**
@@ -5692,9 +5699,15 @@
   private Token skipFinalConstVarOrType(Token startToken) {
     if (matches(startToken, Keyword.FINAL) || matches(startToken, Keyword.CONST)) {
       Token next = startToken.getNext();
-      if (matchesIdentifier(next.getNext()) || matches(next.getNext(), TokenType.LT)
-          || matches(next.getNext(), Keyword.THIS)) {
-        return skipTypeName(next);
+      if (matchesIdentifier(next)) {
+        Token next2 = next.getNext();
+        // "Type parameter" or "Type<" or "prefix.Type"
+        if (matchesIdentifier(next2) || matches(next2, TokenType.LT)
+            || matches(next2, TokenType.PERIOD)) {
+          return skipTypeName(next);
+        }
+        // "parameter"
+        return next;
       }
     } else if (matches(startToken, Keyword.VAR)) {
       return startToken.getNext();