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Propagate optional import names to the wasmtime/C API

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With the module linking proposal the field name on imports is now
optional, and only the module is required to be specified. This commit
propagates this API change to the boundary of wasmtime's API, ensuring
consumers are aware of what's optional with module linking and what
isn't. Note that it's expected that all existing users will either
update accordingly or unwrap the result since module linking is
presumably disabled.
This commit is contained in:
Alex Crichton
2020-11-23 15:17:34 -08:00
parent 1dd20b4371
commit 62be6841e4
18 changed files with 132 additions and 93 deletions
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7
crates/c-api/include/doc-wasm.h
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@@ -960,7 +960,8 @@
*
* This function takes ownership of the `module`, `name`, and
* #wasm_externtype_t arguments. The caller is responsible for deleting the
* returned value.
* returned value. Note that `name` can be `NULL` where in the module linking
* proposal the import name can be omitted.
*
* \fn const wasm_name_t* wasm_importtype_module(const wasm_importtype_t *);
* \brief Returns the module this import is importing from.
@@ -972,7 +973,9 @@
* \brief Returns the name this import is importing from.
*
* The returned memory is owned by the #wasm_importtype_t argument, the caller
* should not deallocate it.
* should not deallocate it. Note that `NULL` can be returned which means
* that the import name is not provided. This is for imports with the module
* linking proposal that only have the module specified.
*
* \fn const wasm_externtype_t* wasm_importtype_type(const wasm_importtype_t *);
* \brief Returns the type of item this import is importing.