Better recovery for parameters without type

compiler/frontend/src/org/jetbrains/jet/lang/parsing/JetParsing.java

@@ -980,8 +980,7 @@ public class JetParsing extends AbstractJetParsing {
             expect(IDENTIFIER, "Expecting parameter name", TokenSet.create(RPAR, COLON, LBRACE, EQ));
 
             if (at(COLON)) {
-                advance();
-
+                advance();  // COLON
                 parseTypeRef();
             }
             setterParameter.done(VALUE_PARAMETER);
@@ -1730,20 +1729,23 @@ public class JetParsing extends AbstractJetParsing {
     private boolean parseFunctionParameterRest() {
         expect(IDENTIFIER, "Parameter name expected", PARAMETER_NAME_RECOVERY_SET);
 
+        boolean noErrors = true;
+
         if (at(COLON)) {
             advance(); // COLON
             parseTypeRef();
         }
         else {
-            error("Parameters must have type annotation");
-            return false;
+            errorWithRecovery("Parameters must have type annotation", PARAMETER_NAME_RECOVERY_SET);
+            noErrors = false;
         }
 
         if (at(EQ)) {
             advance(); // EQ
             myExpressionParsing.parseExpression();
         }
-        return true;
+
+        return noErrors;
     }
 
     /*