Removed dead code

src/core/CompileCall.go

@@ -13,20 +13,35 @@ import (
 // All call registers must hold the correct parameter values before the function invocation.
 // Registers that are in use must be saved if they are modified by the function.
 // After the function call, they must be restored in reverse order.
-func (f *Function) CompileCall(root *expression.Expression) ([]types.Type, error) {
+func (f *Function) CompileCall(root *expression.Expression) ([]*Parameter, error) {
 	if root.Children[0].Token.Kind == token.Identifier {
 		name := root.Children[0].Token.Text(f.File.Bytes)
 
 		switch name {
-		case "len":
-			return _len.OutputTypes, f.CompileLen(root)
 		case "syscall":
 			return nil, f.CompileSyscall(root)
+
+		case "len":
+			output := []*Parameter{{
+				name: "length",
+				typ:  types.AnyInt,
+			}}
+
+			return output, f.CompileLen(root)
+
 		case "new":
 			typ, err := f.CompileNew(root)
-			return []types.Type{typ}, err
+
+			output := []*Parameter{{
+				name: "address",
+				typ:  typ,
+			}}
+
+			return output, err
+
 		case "delete":
 			return nil, f.CompileDelete(root)
+
 		case "store":
 			return nil, f.CompileMemoryStore(root)
 		}
@@ -62,7 +77,7 @@ func (f *Function) CompileCall(root *expression.Expression) ([]types.Type, error
 		f.BeforeCall()
 		f.Label(asm.CALL, value.Label)
 		f.AfterCall(registers)
-		return fn.OutputTypes, nil
+		return fn.Output, nil
 
 	case *eval.Register:
 		err := f.ExpressionsToRegisters(parameters, registers, nil, true)