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| :::{tab-item} c | ||
| :sync: c | ||
| ```c | ||
| int get_extension(void *self, char const *name, void **extension_object); |
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Per Austin, I need to specify that this is a pointer-to-pointer to a single output object, and not some sort of array.
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Type erased pointer, callers can reify them through {static,dynamic,reinterpret}_cast in C++, casating syntax in C, Rust std::transmute, or Fortran type(c_ptr). Python doesn't actually need anything special, since it's dynamically typed and dispatched anyway, but functions to get specific extensions could carry type hints to specify return of a particular extension object type.
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Austin suggested an object-free extension, tentatively named |
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for more information, see https://pre-commit.ci
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| ## Shared Conventions and Protocols | ||
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| Extensions may describe added constraints or enrished semantics for |
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| Extensions may describe added constraints or enrished semantics for | |
| Extensions may describe added constraints or enriched semantics for |
| extension's name. | ||
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| The extension must specify the type signature of each extension object | ||
| it defines, with all of its members. For interoperability, develoeprs |
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| it defines, with all of its members. For interoperability, develoeprs | |
| it defines, with all of its members. For interoperability, developers |
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| # BMI Extensions | ||
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| An extension of BMI is identified by a unique name string. It could |
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Describe reserved names and namespacing conventions below
| Models implementing BMI are not required to support these extensions, | ||
| nor any others. | ||
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Describe versioning practices or conventions in some fashion
| The extension must specify the type signature of each extension object | ||
| it defines, with all of its members. For interoperability, develoeprs | ||
| are encouraged to use types and calling conventions that follow the | ||
| practices of core BMI. However, this standard also anticipates that |
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Indexed/numbered variables could help alleviate string ABI interoperability in implementing extensions in various languages.
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Possible variation on the introspection idea: an extension that asks for a static version of everything that might be available, independent of any specific config file. In that case, the |
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