Recursion Depths Errors
Maximum Statement Or Expression Depth Exceeded
What happened?
A QML statement or expression was too deeply nested for the compiler. This usually only happens for generated code where statements or expressions can be very long, as the recursion limit is usually large enough for any sensible QML document.
Why is this bad?
The QML engine will not be able to run this code.
Example
import QtQuick Item { function f() { let x = 1 + 1 + .... + 1 // maximum depth exceeded: add too many ones together return x } Item { Item { .... } } // maximum depth exceeded: too many nested Item's }
You can fix this warning by auto-generating smaller code pieces. You could split deeply nested Components in multiple files or inline components, or split deeply nested expressions into multiple expressions:
import QtQuick Item { function f() { let x = 1 + 1 + .... + 1 // first half of the split x += 1 + 1 + .... + 1 // second half of the split return x } component NestedItem : Item { Item {... }} // first half of the nested Item component DeeplyNestedItem: Item { ... NestedItem{} ... } // second half of the nested Items + NestedItem DeeplyNestedItem {} }