From 6c43013140987b3a1f0124c5bdb22a3e6068eb36 Mon Sep 17 00:00:00 2001 From: Dmitry Volyntsev Date: Wed, 8 May 2024 14:17:00 -0700 Subject: [PATCH] Add `JS_NewTypedArray()` (#272) --- quickjs.c | 10 ++++++++++ quickjs.h | 17 +++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/quickjs.c b/quickjs.c index 3c1c326..61cfb3d 100644 --- a/quickjs.c +++ b/quickjs.c @@ -53393,6 +53393,16 @@ static JSValue js_typed_array_get_byteOffset(JSContext *ctx, 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 it is not a typed array or if the buffer is detached. pbyte_offset, pbyte_length or pbytes_per_element can be NULL. */ diff --git a/quickjs.h b/quickjs.h index 7199936..f0bab38 100644 --- a/quickjs.h +++ b/quickjs.h @@ -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); void JS_DetachArrayBuffer(JSContext *ctx, 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, size_t *pbyte_offset, size_t *pbyte_length,