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2021-12-27BLI: add utility to check if type is any specific typeJacques Lucke
This adds `blender::is_same_any_v` which is the almost the same as `std::is_same_v`. The difference is that it allows for checking multiple types at the same time. Differential Revision: https://developer.blender.org/D13673
2021-07-05BLI: add conversion constructor for destruct_ptrJacques Lucke
This allows converting between different `destruct_ptr` types (which is just a `std::unique_ptr` with a custom deleter). The most common use case is to convert from a derived type to the type of the base class.
2021-03-07Geometry Nodes: simplify allocating dynamically sized buffer on stackJacques Lucke
2020-12-16BLI: remove implicit casts between some span typesJacques Lucke
Casting pointers from one type to another does change the value of the pointer in some cases. Therefore, casting a span that contains pointers of one type to a span that contains pointers of another type, is not generally safe. In practice, this issue mainly comes up when dealing with classes that have a vtable. There are some special cases that are still allowed. For example, adding const to the pointer does not change the address. Also, casting to a void pointer is fine. In cases where implicit conversion is disabled, but one is sure that the cast is valid, an explicit call of `span.cast<NewType>()` can be used.
2020-08-19BLI: improve exception safety of Vector, Array and StackJacques Lucke
Using C++ exceptions in Blender is difficult, due to the large number of C functions in the call stack. However, C++ data structures in blenlib should at least try to be exception safe, so that they can be used if someone wants to use exceptions in some isolated area. This patch improves the exception safety of the Vector, Array and Stack data structure. This is mainly achieved by reordering some lines and doing some explicit exception handling. I don't expect performance of common operations to be affected by this change. The three containers are supposed to provide at least the basic exception guarantee for most methods (except for e.g. `*_unchecked` methods). So, resources should not leak when the contained type throws an exception. I also added new unit tests that test the exception handling in various cases.
2020-08-07Cleanup: use C++ style casts in various placesJacques Lucke
2020-08-07Code Style: use "#pragma once" in source directoryJacques Lucke
This replaces header include guards with `#pragma once`. A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`), because they are used in other places. This patch has been generated by P1561 followed by `make format`. Differential Revision: https://developer.blender.org/D8466
2020-07-20BLI: add typedefs for containers that use raw allocatorsJacques Lucke
Those are useful when you have to create containers with static storage duration. If those would use Blender's guarded allocator, it would report memory leaks, that are not actually leaks.
2020-07-20Refactor: Update integer type usageJacques Lucke
This updates the usage of integer types in code I wrote according to our new style guides. Major changes: * Use signed instead of unsigned integers in many places. * C++ containers in blenlib use `int64_t` for size and indices now (instead of `uint`). * Hash values for C++ containers are 64 bit wide now (instead of 32 bit). I do hope that I broke no builds, but it is quite likely that some compiler reports slightly different errors. Please let me know when there are any errors. If the fix is small, feel free to commit it yourself. I compiled successfully on linux with gcc and on windows.
2020-07-14BLI: remove static assert noexcept move constructorsJacques Lucke
The move constructor of `mpq_class` from GMP currently allocates when it is moved. So, it cannot be noexcept. Since we want to use this type, this static assert cannot stay there.
2020-07-08BLI: improve constructors and conversions to spanJacques Lucke
This allows us to avoid many calls to `as_span()` methods. I will remove those in the next commit. Furthermore, constructors of Vector and Array can convert from one type to another now. I tested these changes on Linux with gcc and on Windows.
2020-07-08Cleanup: use c++17 helper variable templatesJacques Lucke
2020-07-06BLI: improve exception safety of memory utilsJacques Lucke
Even if we do not use exception in many places in Blender, our core C++ library should become exception safe. Otherwise, we don't even have the option to work with exceptions if we decide to do so.
2020-07-06BLI: refactor how buffers for small object optimization are storedJacques Lucke
Previously, there was an error when operator-> was returning an invalid type. See error C2839.
2020-07-05Revert "BLI: refactor how buffers for small object optimization are stored"Jacques Lucke
This reverts commit 5d79f9f276b4b3e6289308c534c58e7ee3bb5e2d. This was introducing build errors in windows. Need a bit more time to check it.
2020-07-05BLI: refactor how buffers for small object optimization are storedJacques Lucke
2020-07-03Cleanup: Use trailing underscore for non-public data membersJacques Lucke
This makes the code conform better with our style guide.
2020-06-30BLI: add Array constructor that does not initialize non-trivial typesJacques Lucke
This should rarely be necessary, but I have a use case coming up soon.
2020-06-29Cleanup: use std::make_unique instead of blender::make_uniqueJacques Lucke
This is possible, because we use C++17 now.
2020-06-13Cleanup: spellingCampbell Barton
2020-06-11BLI: don't pass const pointers to placement new operatorJacques Lucke
This resulted in compile errors.
2020-06-11BLI: include <new> headerJacques Lucke
This header defines default placement versions of operator new.
2020-06-09BLI: put C++ data structures in "blender" namespace instead of "BLI"Jacques Lucke
We plan to use the "blender" namespace in other modules as well.
2020-06-09BLI: generally improve C++ data structuresJacques Lucke
The main focus here was to improve the docs significantly. Furthermore, I reimplemented `Set`, `Map` and `VectorSet`. They are now (usually) faster, simpler and more customizable. I also rewrote `Stack` to make it more efficient by avoiding unnecessary copies. Thanks to everyone who helped with constructive feedback. Approved by brecht and sybren. Differential Revision: https://developer.blender.org/D7931
2020-04-21BLI: Use .hh extension for C++ headers in blenlibJacques Lucke