Crash in Macro Development: when using find and replace

[martinjankoehler]

Steps to reproduce

• open Macro Development
• open attached script (needs to be at least so long that the scrollbar is involved)
• enter find query: if DEBUG
• use the > arrow to get replacement text field
• enter replacement: if debugging.DEBUG
• hit replace ALL button
• EXPECTED: replaced strings
• OBTAINED: crash

ERROR: Signal number: 11
Address: 0x0
Program Version: KLayout 0.30.3 (2025-08-08 re359f2af2)

Backtrace:
/Users/martin/Source/klayout/qt5MP.build.macos-Sequoia-release-Rhb34Phbauto.macQAT/libklayout_lay.0.30.3.dylib +0x1e7178 _ZN3lay14signal_handlerEiP9__siginfoPv
/usr/lib/system/libsystem_platform.dylib +0x36a4 _sigtramp
/opt/local/libexec/qt5/lib/QtWidgets.framework/Versions/5/QtWidgets +0x121728 _ZN14QPlainTextEdit13updateRequestERK5QRecti
/opt/local/libexec/qt5/lib/QtWidgets.framework/Versions/5/QtWidgets +0x121728 _ZN14QPlainTextEdit13updateRequestERK5QRecti
/opt/local/libexec/qt5/lib/QtWidgets.framework/Versions/5/QtWidgets +0x122048 _ZNK14QPlainTextEdit17firstVisibleBlockEv
/opt/local/libexec/qt5/lib/QtWidgets.framework/Versions/5/QtWidgets +0x1252cc _ZN24QPlainTextDocumentLayout11qt_metacallEN11QMetaObject4CallEiPPv
/opt/local/libexec/qt5/lib/QtWidgets.framework/Versions/5/QtWidgets +0x13d05c _ZN18QWidgetTextControl13setTextCursorERK11QTextCursorb
/Users/martin/Source/klayout/qt5MP.build.macos-Sequoia-release-Rhb34Phbauto.macQAT/libklayout_lay.0.30.3.dylib +0xe42bc _ZN3lay15MacroEditorPage20replace_in_selectionERK7QStringb
/Users/martin/Source/klayout/qt5MP.build.macos-Sequoia-release-Rhb34Phbauto.macQAT/libklayout_lay.0.30.3.dylib +0xcb490 _ZN3lay17MacroEditorDialog26replace_all_button_clickedEv
/opt/local/libexec/qt5/lib/QtCore.framework/Versions/5/QtCore +0x149138 _ZN11QMetaObject8activateEP7QObjectPKS_iPPv
/opt/local/libexec/qt5/lib/QtWidgets.framework/Versions/5/QtWidgets +0x9c2bc _ZN15QAbstractButton7clickedEb

Script:
replacement-crash.py

[klayoutmatthias]

I'm afraid I don't see an attachment :(

Where is it?

[martinjankoehler]

@klayoutmatthias good point ;-)
Added in the original post.

[klayoutmatthias]

Reproduces on Linux ... very good. Thanks!