slint/internal/compiler/tests/syntax/analysis/binding_loop1.slint

// Copyright © SixtyFPS GmbH <info@slint-ui.com>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-commercial


WithStates := Rectangle {
    property <brush> extra_background;
    property <bool> condition;
    background: yellow;
//             ^error{The binding for the property 'background' is part of a binding loop} //FIXME: ideally we'd keep the span within the state
    states [
        xxx when condition : {
            background: extra_background;
        }
    ]
}

Test := Rectangle {

    property <int> a: 45 + root.b;
    //               ^error{The binding for the property 'a' is part of a binding loop}
    property <float> b: root.c;
    //                 ^error{The binding for the property 'b' is part of a binding loop}
    property <int> c <=> d;
    //               ^error{The binding for the property 'c' is part of a binding loop}
    property <int> d: root.a + root.e;
    //               ^error{The binding for the property 'd' is part of a binding loop}
    property <int> e: root.b;
//                   ^error{The binding for the property 'e' is part of a binding loop}
    property <int> w: root.a + root.b; // This id not part of a loopµ

    property<bool> cond: xx.x == 0;
    //                  ^error{The binding for the property 'cond' is part of a binding loop}

    xx := Rectangle {
        x: y;
//        ^error{The binding for the property 'x' is part of a binding loop}
        y: root.cond ? 42px : 55px;
//        ^error{The binding for the property 'y' is part of a binding loop}
    }

    WithStates {
        extra_background: background;
//                       ^error{The binding for the property 'extra-background' is part of a binding loop}
    }
}