Flee

ExpressionElements/Base/Unary.cs

@@ -0,0 +1,28 @@
+using Flee.PublicTypes;
+using Flee.Resources;
+
+namespace Flee.ExpressionElements.Base
+{
+    internal abstract class UnaryElement : ExpressionElement
+    {
+
+        protected ExpressionElement MyChild;
+
+        private Type _myResultType;
+        public void SetChild(ExpressionElement child)
+        {
+            MyChild = child;
+            _myResultType = this.GetResultType(child.ResultType);
+
+            if (_myResultType == null)
+            {
+                base.ThrowCompileException(CompileErrorResourceKeys.OperationNotDefinedForType, CompileExceptionReason.TypeMismatch, MyChild.ResultType.Name);
+            }
+        }
+
+        protected abstract Type GetResultType(Type childType);
+
+        public override System.Type ResultType => _myResultType;
+    }
+
+}