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This reverts commit e8ffb42ab66405ac56d04494a30e54b584f2d4dd and adds a new `--wrap-unsafe-ops` option as a workaround.
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This method can be used to process comments and replace them with whatever the user wants.
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This PR introduces a new non-exhaustive `struct` called `DeriveInfo` to be used as the sole argument of `ParseCallbacks::add_derives` with the purpose of being able to extend the information passed to this method in a backwards-compatible manner, meaning that adding new fields to `DeriveInfo` won't be a breaking change when releasing a new version.
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Even though this change does name deduplication in a slower way, it
avoids name collisions without any breaking changes in the test suite.
Fixes #2202
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Given that C keeps a different namespace for `struct`/`enum`/`union` and `typedef` aliases. The
following patterns
```c
typedef const struct foo {
void *inner;
} *foo;
typedef struct bar {
void *inner;
} *bar;
```
are valid C code and produces both a `struct` and a pointer called `foo`
and `bar` in different namespaces. Given that Rust does not make this
distinction, we add the `_ptr` prefix to the pointer type aliases to
avoid any name collisions.
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This fixes #2325.
The issue is that `__bf16` is not exposed at all by libclang, which
causes us to crash. It's a bit of a shame libclang doesn't expose it but
there's no rust equivalent I think, so this should be ok for now.
Unfortunately no test because the header crashes older clang versions.
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This guarantees that bindings generated by `bindgen` compile even if the `unsafe_op_in_unsafe_fn` lint is denied.
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* Clean the implementation of `Default` for `BindgenOptions`
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* Add support for the `"C-unwind"` ABI
This allows using `"C-unwind"` as an ABI override if the rust target is
nightly.
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* Add the `--override-abi` option.
This option can be used from the CLI with the <abi>:<regex> syntax and
it overrides the ABI of a function if it matches <regex>.
Fixes #2257
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* Allow callback composition
Store all the callbacks added to the builder in a `Vec` so bindgen
invokes each one of them in a last-to-first manner.
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* Run `Bindings::generate` again if required.
This adds a mechanism so `bindgen` is able to run `Bindings::generate`
multiple times with the same user input if the `generate_static_inline`
option is enabled and `GenerateResult::ShouldRestart` is returned by
`Bindings::generate`.
This is done to eventually solve #1090 which would require to check for
any static inline functions and generate a new header file to be used as
an extra input and run `Bindings::generate` again.
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* add tutorial about non-system libraries
* fix broken comment
* ignore code snippet
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The original commit adding this note referenced #778, but then went on to talk about how the problem was RVO and that the problem is not possible to solve in bindgen because bindgen can't know if RVO happened or not. However this is incorrect in several ways. The problem in #778 has nothing whatsoever to do with RVO but rather with bindgen simply not understanding the calling convention for passing or returning types that are "non trivial for the purposes of calls". This is completely consistent and does not depend on what the optimizer decided to do (after all, if callsite side calling-convention did depend on what the optimizer happened to do inside the function it would be impossible for C++ compilers to emit correct calls to external C++ functions!).
You can see this quite clearly [here](https://godbolt.org/#z:OYLghAFBqd5QCxAYwPYBMCmBRdBLAF1QCcAaPECAMzwBtMA7AQwFtMQByARg9KtQYEAysib0QXACx8BBAKoBnTAAUAHpwAMvAFYTStJg1DIApACYAQuYukl9ZATwDKjdAGFUtAK4sGIM6SuADJ4DJgAcj4ARpjEEgDspAAOqAqETgwe3r7%2ByanpAiFhkSwxcVyJdpgOGUIETMQEWT5%2BAVU1AnUNBEUR0bEJtvWNzTltwz2hfaUDFQCUtqhexMjsHAD06wDUACoAnkmYW3tLxFtoWFsIsZikWyRbtKhM6FuGW5iqrEn0AHQmGgAggoCMQvA4tgRMCCokwlFsTPErPEACImADMViBILBEKhIIRSIBgK2pMh0IIEDmGKxJLJ%2BMpaAYBIZ5gAbNTMcSyVsAG6oPDoABUkJpxMRaK5QIZWwUAEcvA1MFTCbSeTKCIjkZK1WTiJgCMsGKKpYCJeKgaECFsWExQiqtdz6RTIQj0SjZQqlVSxUCnaT9YbiMa0gAvTCoKgQBmc2kSjgLWicACsvD8HC0pFQnDc1msstOqwRZnRPFIBE0CYWAGsQOj0b9603my22fpOJI05Ws5xeAoQBpy5WFnBYEg0CwknRYuRKBOp/Q4sAFMwkgoEKgCKQsLy8KsAGp4TAAdwA8od02WaLQocR%2BxAot2oqEGntOGWJ2xBKeGLQ3xneCwW0jHEADtzwfUal5aFu0%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%2Bzpl5ny/O89sOFTWruxCsLIpiuKEqSlKvDSjKICy0nizygrhxK%2BtGwq8qVZqureAa2wmsKrRipVswgvq3tmo9hZoLvDIQEkIA) Notice how the body of `main` is identical no matter if copy elision is enabled or not. To get `test` passed in a register you must remove the copy constructor.
I spent a few hours being really confused by this note before I tracked down the original PR and realized what it was trying to talk about. Hopefully this saves the next person to come across it the same trouble.
As an aside I suspect the clang c bindings can already give you information on special member functions and base classes, making it fairly easy to do this correctly. AFAICT bindgen already does not rely on llvm's code generation facilities to figure out the ABI of calls for C (except perhaps indirectly, via rustc), so this seems reasonable to just do in bindgen, explicitly.
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* print `PanicInfo` using hook
* update changelog
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* tests: Avoid using globs as regexes
* Sanitize regex set input to properly handle alternation
* Add test case for alternates/anchors interaction
* emit warning if wildcard pattern is used
* update changelog and bump versions
Co-authored-by: Darren Kulp <darren@kulp.ch>
Co-authored-by: Christian Poveda <christian.poveda@ferrous-systems.com>
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Document visibility annotation
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Travis-CI was fully removed as of faf8b3edbaeb591315fc6f370c1228b8caf9860f.
The only badge now [mentioned in the Cargo book][1] is `maintenance`. The
`travis-ci` badge reference was [removed from Cargo two years ago][2]. The
Cargo book advises putting badges in README.md instead.
[1]: https://doc.rust-lang.org/cargo/reference/manifest.html#the-badges-section
[2]: https://github.com/rust-lang/cargo/commit/60779a006f98fba1680182c174134363d08e0a9b
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In Clang 16, anonymous items may return names like
`(anonymous union at ..)` rather than empty names.
The right way to detect them is using clang_Cursor_isAnonymous.
Fixes #2312
Closes #2316
Co-Authored-by: Patrick Walton <pcwalton@fb.com>
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One of the advantages of doing this is that `ParseCallbacks` no longer
needs to implement `UnwindSafe` which means that users can rely on
`RefCell` and `Cell` to extract information from the callbacks.
Users relying on `catch_unwind` can still achieve similar behavior using
`std::thread::spawn`.
Fixes #2147.
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Add FAQ about custom targets
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Fix clippy lints
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The allowed casts are because c_longlong etc aren't guaranteed to map to
i64 / etc. I believe c_double maps to f64 in all platforms tho.
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This adds a new special case for constants like:
```c
extern const char some_static_string[];
```
so `bindgen` emits a `static` instead of a `static mut` for them.
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Implement `Clone` for `Builder`
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Make postprocessing more robust
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This is done by moving all the remaining `Builder` state into
`BindgenOptions` so any internal logic that affects `Builder` state only
runs once the builder is consumed by `Builder::generate`:
- move `input_headers` to `BindgenOptions`.
- move `input_header_contents` to `BindgenOptions`.
- derive `Clone` for `Builder`.
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This is done by merging extern blocks and sorting items in every module
instead of just in the root module.
The tests were changed to use `cxx` namespaces so they effectively check
that items are manipulated correctly in every single module.
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Generated name override
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