C++ reflection (P2996) and moc: Difference between revisions
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(Created page with "This is a WORK IN PROGRESS page to understand the implications of "Reflection for C++" for the future of Qt and moc. Some questions that this work aims to answer: * Can we replace moc with a pure C++ solution? ** If yes, how much source code breakage is to be expected? ** Can porting be automated? * Is there something missing from standard C++ that we need for moc? == Reflection for Standard C++ == C++26 will (likely) ship with compile-time reflection. The papers tha...") |
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C++26 will (likely) ship with compile-time reflection. The papers that are relevant here are: | C++26 will (likely) ship with compile-time reflection. The papers that are relevant here are: | ||
* P2996 "Reflection for C++26" | * P2996 "Reflection for C++26" https://wg21.link/P2996 | ||
* P3394 "Annotations for Reflection" | * P3394 "Annotations for Reflection" https://wg21.link/P3394 | ||
* P3096 "Function Parameter Reflection in Reflection for C++26" | * P3096 "Function Parameter Reflection in Reflection for C++26" https://wg21.link/P3096 | ||
* P3491 " define_static_{string,object,array}" https://wg21.link/P3491 | * P3491 "define_static_{string,object,array}" https://wg21.link/P3491 | ||
Revision as of 10:07, 27 May 2025
This is a WORK IN PROGRESS page to understand the implications of "Reflection for C++" for the future of Qt and moc.
Some questions that this work aims to answer:
- Can we replace moc with a pure C++ solution?
- If yes, how much source code breakage is to be expected?
- Can porting be automated?
- Is there something missing from standard C++ that we need for moc?
Reflection for Standard C++
C++26 will (likely) ship with compile-time reflection. The papers that are relevant here are:
- P2996 "Reflection for C++26" https://wg21.link/P2996
- P3394 "Annotations for Reflection" https://wg21.link/P3394
- P3096 "Function Parameter Reflection in Reflection for C++26" https://wg21.link/P3096
- P3491 "define_static_{string,object,array}" https://wg21.link/P3491