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Reimplement the C# API.

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This commit reimplements the C# API in terms of a Wasmtime linker.

It removes the custom binding implementation that was based on reflection in
favor of the linker's implementation.

This should make the C# API a little closer to the Rust API.

The `Engine` and `Store` types have been hidden behind the `Host` type which is
responsible for hosting WebAssembly module instances.

Documentation and tests have been updated.
This commit is contained in:
Peter Huene
2020-03-24 18:20:22 -07:00
parent 0d5d63fdb1
commit cf1d9ee857
38 changed files with 2149 additions and 2213 deletions
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13
crates/c-api/include/wasmtime.h
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@@ -50,8 +50,6 @@ WASMTIME_CONFIG_PROP(profiler, wasmtime_profiling_strategy_t)
// Converts from the text format of WebAssembly to to the binary format.
//
// * `engine` - a previously created engine which will drive allocations and
// such
// * `wat` - this it the input buffer with the WebAssembly Text Format inside of
// it. This will be parsed and converted to the binary format.
// * `ret` - if the conversion is successful, this byte vector is filled in with
@@ -62,7 +60,6 @@ WASMTIME_CONFIG_PROP(profiler, wasmtime_profiling_strategy_t)
//
// Returns `true` if conversion succeeded, or `false` if it failed.
WASM_API_EXTERN bool wasmtime_wat2wasm(
wasm_engine_t *engine,
const wasm_byte_vec_t *wat,
own wasm_byte_vec_t *ret,
own wasm_byte_vec_t *error_message
@@ -75,7 +72,7 @@ WASM_API_EXTERN bool wasmtime_wat2wasm(
WASMTIME_DECLARE_OWN(linker)
WASM_API_EXTERN own wasmtime_linker_t* wasmtime_linker_new(wasm_store_t* store);
WASM_API_EXTERN own wasmtime_linker_t* wasmtime_linker_new(wasm_store_t* store, bool allow_shadowing);
WASM_API_EXTERN bool wasmtime_linker_define(
wasmtime_linker_t *linker,
@@ -101,6 +98,14 @@ WASM_API_EXTERN wasm_instance_t* wasmtime_linker_instantiate(
own wasm_trap_t **trap
);
typedef struct wasmtime_caller_t wasmtime_caller_t;
typedef own wasm_trap_t* (*wasmtime_func_callback_t)(const wasmtime_caller_t* caller, const wasm_val_t args[], wasm_val_t results[]);
WASM_API_EXTERN own wasm_func_t* wasmtime_func_new(wasm_store_t*, const wasm_functype_t*, wasmtime_func_callback_t callback);
WASM_API_EXTERN own wasm_extern_t* wasmtime_caller_export_get(const wasmtime_caller_t* caller, const wasm_name_t* name);
#undef own
#ifdef __cplusplus