Add isDynamicallyEncoded member function to types.

libsolidity/ast/Types.cpp

@@ -1408,6 +1408,11 @@ unsigned ArrayType::calldataEncodedSize(bool _padded) const
 	return unsigned(size);
 }
 
+bool ArrayType::isDynamicallyEncoded() const
+{
+	return isDynamicallySized() || baseType()->isDynamicallyEncoded();
+}
+
 u256 ArrayType::storageSize() const
 {
 	if (isDynamicallySized())
@@ -1710,6 +1715,11 @@ unsigned StructType::calldataEncodedSize(bool _padded) const
 	return size;
 }
 
+bool StructType::isDynamicallyEncoded() const
+{
+	solAssert(false, "Structs are not yet supported in the ABI.");
+}
+
 u256 StructType::memorySize() const
 {
 	u256 size;