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Add a wasmtime-specific wasmtime_wat2wasm C API (#1206)

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* Add a wasmtime-specific `wasmtime_wat2wasm` C API

This commit implements a wasmtime-specific C API for converting the text
format to the binary format. An upstream spec issue exists for adding
this to the C API, but in the meantime we can experiment with our own
version of this API and use it in the C# extension, for example!

Closes #1000

* Reorder arguments

* Use wasm_byte_vec_t for input `*.wat`

* Mark wat input as const

* Return an error message and use `fixed`

* Actually include the error message

* Use `fixed` in `Module.cs` as well
This commit is contained in:
Alex Crichton
2020-03-03 10:29:20 -06:00
committed by GitHub
parent 732c646bec
commit 77e17d8f71
38 changed files with 118 additions and 30 deletions
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15
crates/misc/dotnet/src/Interop.cs
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@@ -899,7 +899,7 @@ namespace Wasmtime
public static extern bool wasi_config_set_stdin_file(
WasiConfigHandle config,
[MarshalAs(UnmanagedType.LPUTF8Str)] string path
);
);
[DllImport(LibraryName)]
public static extern void wasi_config_inherit_stdin(WasiConfigHandle config);
@@ -909,7 +909,7 @@ namespace Wasmtime
public static extern bool wasi_config_set_stdout_file(
WasiConfigHandle config,
[MarshalAs(UnmanagedType.LPUTF8Str)] string path
);
);
[DllImport(LibraryName)]
public static extern void wasi_config_inherit_stdout(WasiConfigHandle config);
@@ -919,7 +919,7 @@ namespace Wasmtime
public static extern bool wasi_config_set_stderr_file(
WasiConfigHandle config,
[MarshalAs(UnmanagedType.LPUTF8Str)] string path
);
);
[DllImport(LibraryName)]
public static extern void wasi_config_inherit_stderr(WasiConfigHandle config);
@@ -974,5 +974,14 @@ namespace Wasmtime
[DllImport(LibraryName)]
public static extern void wasmtime_config_cranelift_opt_level_set(WasmConfigHandle config, wasmtime_opt_level_t level);
[DllImport(LibraryName, CharSet=CharSet.Ansi)]
[return: MarshalAs(UnmanagedType.I1)]
public static extern bool wasmtime_wat2wasm(
EngineHandle engine,
ref wasm_byte_vec_t wat,
out wasm_byte_vec_t vec,
out wasm_byte_vec_t error_message
);
}
}