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feat(ext/ffi): structs by value (#15060)

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Adds support for passing and returning structs as buffers to FFI. This does not implement fastapi support for structs. Needed for certain system APIs such as AppKit on macOS.
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Dj 2023-01-07 19:58:10 -08:00 • committed by GitHub
parent 84ef26ac9b
commit ad82918f56
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15 changed files with 568 additions and 80 deletions
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24
cli/tsc/dts/lib.deno.unstable.d.ts vendored
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@ -94,6 +94,13 @@ declare namespace Deno {
*/
type NativeVoidType = "void";
/** **UNSTABLE**: New API, yet to be vetted.
*
* The native struct type for interfacing with foreign functions.
*
*/
type NativeStructType = { readonly struct: readonly NativeType[] };
/** **UNSTABLE**: New API, yet to be vetted.
*
* All supported types for interfacing with foreign functions.
@ -106,7 +113,8 @@ declare namespace Deno {
| NativeBooleanType
| NativePointerType
| NativeBufferType
| NativeFunctionType;
| NativeFunctionType
| NativeStructType;
/** **UNSTABLE**: New API, yet to be vetted.
*
@ -136,7 +144,9 @@ declare namespace Deno {
*
* @category FFI
*/
type ToNativeType<T extends NativeType = NativeType> = ToNativeTypeMap[T];
type ToNativeType<T extends NativeType = NativeType> = T extends
NativeStructType ? BufferSource
: ToNativeTypeMap[Exclude<T, NativeStructType>];
/** **UNSTABLE**: New API, yet to be vetted.
*
@ -153,7 +163,8 @@ declare namespace Deno {
* @category FFI
*/
type ToNativeResultType<T extends NativeResultType = NativeResultType> =
ToNativeResultTypeMap[T];
T extends NativeStructType ? BufferSource
: ToNativeResultTypeMap[Exclude<T, NativeStructType>];
/** **UNSTABLE**: New API, yet to be vetted.
*
@ -193,7 +204,9 @@ declare namespace Deno {
*
* @category FFI
*/
type FromNativeType<T extends NativeType = NativeType> = FromNativeTypeMap[T];
type FromNativeType<T extends NativeType = NativeType> = T extends
NativeStructType ? Uint8Array
: FromNativeTypeMap[Exclude<T, NativeStructType>];
/** **UNSTABLE**: New API, yet to be vetted.
*
@ -212,7 +225,8 @@ declare namespace Deno {
* @category FFI
*/
type FromNativeResultType<T extends NativeResultType = NativeResultType> =
FromNativeResultTypeMap[T];
T extends NativeStructType ? Uint8Array
: FromNativeResultTypeMap[Exclude<T, NativeStructType>];
/** **UNSTABLE**: New API, yet to be vetted.
*