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Add JS_NewTypedArray() (#272)

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Dmitry Volyntsev 2024-05-08 14:17:00 -07:00 committed by GitHub
parent 01454caf78
commit 6c43013140
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2 changed files with 27 additions and 0 deletions
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10
quickjs.c
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@ -53393,6 +53393,16 @@ static JSValue js_typed_array_get_byteOffset(JSContext *ctx,
return JS_NewInt32(ctx, ta->offset); return JS_NewInt32(ctx, ta->offset);
} }
JSValue JS_NewTypedArray(JSContext *ctx, int argc, JSValueConst *argv,
JSTypedArrayEnum type)
{
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);
}
/* Return the buffer associated to the typed array or an exception if /* Return the buffer associated to the typed array or an exception if
it is not a typed array or if the buffer is detached. pbyte_offset, it is not a typed array or if the buffer is detached. pbyte_offset,
pbyte_length or pbytes_per_element can be NULL. */ pbyte_length or pbytes_per_element can be NULL. */

17
quickjs.h
View file

@ -824,6 +824,23 @@ JSValue JS_NewArrayBuffer(JSContext *ctx, uint8_t *buf, size_t len,
JSValue JS_NewArrayBufferCopy(JSContext *ctx, const uint8_t *buf, size_t len); JSValue JS_NewArrayBufferCopy(JSContext *ctx, const uint8_t *buf, size_t len);
void JS_DetachArrayBuffer(JSContext *ctx, JSValueConst obj); void JS_DetachArrayBuffer(JSContext *ctx, JSValueConst obj);
uint8_t *JS_GetArrayBuffer(JSContext *ctx, size_t *psize, JSValueConst obj); uint8_t *JS_GetArrayBuffer(JSContext *ctx, size_t *psize, JSValueConst obj);
typedef enum JSTypedArrayEnum {
JS_TYPED_ARRAY_UINT8C = 0,
JS_TYPED_ARRAY_INT8,
JS_TYPED_ARRAY_UINT8,
JS_TYPED_ARRAY_INT16,
JS_TYPED_ARRAY_UINT16,
JS_TYPED_ARRAY_INT32,
JS_TYPED_ARRAY_UINT32,
JS_TYPED_ARRAY_BIG_INT64,
JS_TYPED_ARRAY_BIG_UINT64,
JS_TYPED_ARRAY_FLOAT32,
JS_TYPED_ARRAY_FLOAT64,
} JSTypedArrayEnum;
JSValue JS_NewTypedArray(JSContext *ctx, int argc, JSValueConst *argv,
JSTypedArrayEnum array_type);
JSValue JS_GetTypedArrayBuffer(JSContext *ctx, JSValueConst obj, JSValue JS_GetTypedArrayBuffer(JSContext *ctx, JSValueConst obj,
size_t *pbyte_offset, size_t *pbyte_offset,
size_t *pbyte_length, size_t *pbyte_length,