Disallow spread member and null-safe member operators on method refer…

…ences for M2
ceylon · Mar 15, 2012 · b8a2ad5 · b8a2ad5
1 parent becd3e9
commit b8a2ad5
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/src/com/redhat/ceylon/compiler/typechecker/analyzer/ExpressionVisitor.java b/src/com/redhat/ceylon/compiler/typechecker/analyzer/ExpressionVisitor.java
@@ -3239,6 +3239,21 @@ else if (p.isCovariant()) {
         if (that.getTypeModel()==null) {
             that.setTypeModel( defaultType() );
         }
+        if (that instanceof Tree.Expression) {
+            Tree.Expression expr = (Tree.Expression)that;
+            Tree.Term term = expr.getTerm();
+            if (term instanceof Tree.QualifiedMemberOrTypeExpression) {
+                Tree.QualifiedMemberOrTypeExpression qme = (Tree.QualifiedMemberOrTypeExpression)term;
+                if (qme.getMemberOperator() instanceof Tree.SpreadOp
+                        && qme.getTypeModel().getDeclaration().getQualifiedNameString().equals("ceylon.language.Callable")) {
+                    that.addWarning("spread method references not supported yet");
+                }
+                if (qme.getMemberOperator() instanceof Tree.SafeMemberOp
+                        && qme.getTypeModel().getDeclaration().getQualifiedNameString().equals("ceylon.language.Callable")) {
+                    that.addWarning("null-safe method references not supported yet");
+                }
+            }
+        }
     }
 
     @Override public void visit(Tree.Type that) {