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Fixes #1133.
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Fixes #1197.
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Individual bitfields are still limited to at most 64 bits, but this
restriction can be weakened when Rust supports u128.
This implements issue #816.
Usage notes:
* Since common code is added to each generated binding, a program which uses
more than one binding may need to work around the duplication by including
each binding in its own module.
* The values created by bitfield allocation unit constructors can be assigned
directly to the corresponding struct fields with no need for transmutation.
Implementation notes:
__BindgenBitfieldUnit represents a bitfield allocation unit using a Storage
type accessible as a slice of u8. The alignment of the unit is inherited from
an Align type by virtue of the field:
align: [Align; 0],
The position of this field in the struct is irrelevant.
The alignment of the Storage type is intended to be no larger than the
alignment of the Align type, which will be true if the Storage type is, for
example, an array of u8.
Although the double underscore (__) prefix is reserved for implementations of
C++, there are precedents for this convention elsewhere in bindgen and so the
convention is adopted here too.
Acknowledgement:
Thanks to @fitzgen for an initial implementation of __BindgenBitfieldUnit and
code to integrate it into bindgen.
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Also:
* disable rustfmt in the integration test, to avoid it causing problems, since
it is not needed.
* note the need to rebuild bindgen when running a single test.
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Also simplifies the logic that determines which enum variation gets chosen.
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switch defaults from generating unstable Rust to generating stable Rust
As said in the issue:
- changing the Builder::no_unstable_rust method to the Builder::unstable_rust method
- changing the --no-unstable-rust flag to a --unstable-rust flag in src/options.rs
- changing bindgen-flags header in the test headers to remove the --no-unstable-rust flag
- removing --no-unstable-rust flag in ./test/test-one.sh
Fixes #757
r? @fitzgen
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- changing the Builder::no_unstable_rust method to the Builder::unstable_rust method
- changing the --no-unstable-rust flag to a --unstable-rust flag in src/options.rs
- changing bindgen-flags header in the test headers to remove the --no-unstable-rust flag
Fixes #757
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In particular, the "flush the allocation unit" logic is only valid for
ms_structs (that is, MSVC).
It's slightly annoying to have this different behavior, but it'd work just fine
if we'd turn that on for MSVC.
This patch doesn't do that, yet at least, and adds tests for all the weird
bitfield alignments around.
Fixes #726 (and another set of hidden issues by the old code).
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Rather than having a tests that we only run if libclang >= 3.9, this makes the
test suite dynamically detect when we have different expectations for different
libclang versions. It does this by adding `tests/expectations/tests/libclang-$VERSION`
directories, and `testing_only_libclang_$VERSION` features that are consulted
when the usual expectation file does not exist.
Fixes #697
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This commit gives bindgen the ability to generate constructors for bitfield
allocation units. This enables more ergonomic use of struct literals for
bindings structs that contain bitfields.
Additionally, when we are generating unstable Rust, these constructors are
marked as const functions. This enables the creation of const binding structs
that contain bitfields.
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Use AsRef<str> rather than Into<String> because &&str (what you get
when iterating &[&str]) does not implement the latter.
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Added tests and fixed missed function rename.
Fixed nits
Renamed visitor to callbacks.
Renamed visitor to callbacks.
Renamed visitor to callbacks.
Fixed text.
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This commit reintroduces accessor methods for bitfields in the generated
bindings.
Fixes #519
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Turns out they were broken before
https://github.com/servo/rust-bindgen/issues/456.
Let's test it so it doesn't regress.
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