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Update JS_NewTypedArray() to C level API
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xeioex committed May 9, 2024
1 parent 97be5a3 commit 29e1525
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Showing 2 changed files with 17 additions and 5 deletions.
18 changes: 15 additions & 3 deletions quickjs.c
Original file line number Diff line number Diff line change
Expand Up @@ -53429,14 +53429,26 @@ static JSValue js_typed_array_get_byteOffset(JSContext *ctx,
return JS_NewInt32(ctx, ta->offset);
}

JSValue JS_NewTypedArray(JSContext *ctx, int argc, JSValueConst *argv,
JSValue JS_NewTypedArray(JSContext *ctx, size_t length, const void *init,
JSTypedArrayEnum type)
{
JSValue args[1], ret;

if (type < JS_TYPED_ARRAY_UINT8C || type > JS_TYPED_ARRAY_FLOAT64)
return JS_ThrowRangeError(ctx, "invalid typed array type");

return js_typed_array_constructor(ctx, JS_UNDEFINED, argc, argv,
JS_CLASS_UINT8C_ARRAY + type);
args[0] = JS_NewInt64(ctx, length);
ret = js_typed_array_constructor(ctx, JS_UNDEFINED, 1, args,
JS_CLASS_UINT8C_ARRAY + type);
JS_FreeValue(ctx, args[0]);

if (init != NULL && !JS_IsException(ret)) {
JSObject *p = JS_VALUE_GET_OBJ(ret);
size_t len = length * (1 << typed_array_size_log2(p->class_id));
memcpy(p->u.array.u.ptr, init, len);
}

return ret;
}

/* Return the buffer associated to the typed array or an exception if
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4 changes: 2 additions & 2 deletions quickjs.h
Original file line number Diff line number Diff line change
Expand Up @@ -845,8 +845,8 @@ typedef enum JSTypedArrayEnum {
JS_TYPED_ARRAY_FLOAT64,
} JSTypedArrayEnum;

JSValue JS_NewTypedArray(JSContext *ctx, int argc, JSValueConst *argv,
JSTypedArrayEnum array_type);
JSValue JS_NewTypedArray(JSContext *ctx, size_t length, const void *init,
JSTypedArrayEnum type);
JSValue JS_GetTypedArrayBuffer(JSContext *ctx, JSValueConst obj,
size_t *pbyte_offset,
size_t *pbyte_length,
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