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Implement getter for `ArrayBuffer` data (#3610) 

* Implement getter for `ArrayBuffer` data

* Apply review
pull/3615/head
Haled Odat 10 months ago committed by GitHub
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2 changed files with 216 additions and 156 deletions
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  1. 291
      Cargo.lock
  2. 81
      core/engine/src/object/builtins/jsarraybuffer.rs

291
Cargo.lock generated
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cf63fa624ab313c11656b4cda960bfc46c410187ad493c41f6ba2d8c1e991c9e"
checksum = "545c980a3880efd47b2e262f6a4bb6daad6555cf3367aa9c4e52895f69537a41"
dependencies = [
"cfg-if",
"concurrent-queue",
@ -2577,11 +2580,11 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
[[package]]
name = "proc-macro-crate"
version = "2.0.0"
version = "3.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7e8366a6159044a37876a2b9817124296703c586a5c92e2c53751fa06d8d43e8"
checksum = "6d37c51ca738a55da99dc0c4a34860fd675453b8b36209178c2249bb13651284"
dependencies = [
"toml_edit 0.20.7",
"toml_edit",
]
[[package]]
@ -2825,12 +2828,13 @@ dependencies = [
[[package]]
name = "rkyv"
version = "0.7.42"
version = "0.7.43"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0200c8230b013893c0b2d6213d6ec64ed2b9be2e0e016682b7224ff82cff5c58"
checksum = "527a97cdfef66f65998b5f3b637c26f5a5ec09cc52a3f9932313ac645f4190f5"
dependencies = [
"bitvec",
"bytecheck",
"bytes",
"hashbrown 0.12.3",
"ptr_meta",
"rend",
@ -2842,9 +2846,9 @@ dependencies = [
[[package]]
name = "rkyv_derive"
version = "0.7.42"
version = "0.7.43"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b2e06b915b5c230a17d7a736d1e2e63ee753c256a8614ef3f5147b13a4f5541d"
checksum = "b5c462a1328c8e67e4d6dbad1eb0355dd43e8ab432c6e227a43657f16ade5033"
dependencies = [
"proc-macro2",
"quote",
@ -2874,9 +2878,9 @@ dependencies = [
[[package]]
name = "rustix"
version = "0.38.26"
version = "0.38.30"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9470c4bf8246c8daf25f9598dca807fb6510347b1e1cfa55749113850c79d88a"
checksum = "322394588aaf33c24007e8bb3238ee3e4c5c09c084ab32bc73890b99ff326bca"
dependencies = [
"bitflags 2.4.2",
"errno",
@ -2887,9 +2891,9 @@ dependencies = [
[[package]]
name = "rustls"
version = "0.21.9"
version = "0.21.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "629648aced5775d558af50b2b4c7b02983a04b312126d45eeead26e7caa498b9"
checksum = "f9d5a6813c0759e4609cd494e8e725babae6a2ca7b62a5536a13daaec6fcb7ba"
dependencies = [
"log",
"ring",
@ -2949,9 +2953,9 @@ dependencies = [
[[package]]
name = "ryu"
version = "1.0.15"
version = "1.0.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c"
[[package]]
name = "ryu-js"
@ -3016,9 +3020,9 @@ dependencies = [
[[package]]
name = "serde-aux"
version = "4.3.1"
version = "4.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "184eba62ebddb71658697c8b08822edee89970bf318c5362189f0de27f85b498"
checksum = "a86348501c129f3ad50c2f4635a01971f76974cd8a3f335988a0f1581c082765"
dependencies = [
"serde",
"serde_json",
@ -3026,9 +3030,9 @@ dependencies = [
[[package]]
name = "serde_bytes"
version = "0.11.12"
version = "0.11.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ab33ec92f677585af6d88c65593ae2375adde54efdbf16d597f2cbc7a6d368ff"
checksum = "8b8497c313fd43ab992087548117643f6fcd935cbf36f176ffda0aacf9591734"
dependencies = [
"serde",
]
@ -3068,9 +3072,9 @@ dependencies = [
[[package]]
name = "serde_spanned"
version = "0.6.4"
version = "0.6.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "12022b835073e5b11e90a14f86838ceb1c8fb0325b72416845c487ac0fa95e80"
checksum = "eb3622f419d1296904700073ea6cc23ad690adbd66f13ea683df73298736f0c1"
dependencies = [
"serde",
]
@ -3156,9 +3160,9 @@ dependencies = [
[[package]]
name = "smallvec"
version = "1.11.2"
version = "1.13.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970"
checksum = "e6ecd384b10a64542d77071bd64bd7b231f4ed5940fba55e98c3de13824cf3d7"
dependencies = [
"serde",
]
@ -3179,7 +3183,7 @@ dependencies = [
"async-executor",
"async-fs",
"async-io",
"async-lock 3.2.0",
"async-lock 3.3.0",
"async-net",
"async-process",
"blocking",
@ -3327,16 +3331,6 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "sys-info"
version = "0.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b3a0d0aba8bf96a0e1ddfdc352fc53b3df7f39318c71854910c3c4b024ae52c"
dependencies = [
"cc",
"libc",
]
[[package]]
name = "sys-locale"
version = "0.3.1"
@ -3354,28 +3348,28 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
[[package]]
name = "target-lexicon"
version = "0.12.12"
version = "0.12.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "14c39fd04924ca3a864207c66fc2cd7d22d7c016007f9ce846cbb9326331930a"
checksum = "69758bda2e78f098e4ccb393021a0963bb3442eac05f135c30f61b7370bbafae"
[[package]]
name = "tempfile"
version = "3.8.1"
version = "3.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7ef1adac450ad7f4b3c28589471ade84f25f731a7a0fe30d71dfa9f60fd808e5"
checksum = "01ce4141aa927a6d1bd34a041795abd0db1cccba5d5f24b009f694bdf3a1f3fa"
dependencies = [
"cfg-if",
"fastrand",
"redox_syscall",
"rustix",
"windows-sys 0.48.0",
"windows-sys 0.52.0",
]
[[package]]
name = "termcolor"
version = "1.4.0"
version = "1.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ff1bc3d3f05aff0403e8ac0d92ced918ec05b666a43f83297ccef5bea8a3d449"
checksum = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755"
dependencies = [
"winapi-util",
]
@ -3558,7 +3552,7 @@ dependencies = [
"serde",
"serde_spanned",
"toml_datetime",
"toml_edit 0.21.0",
"toml_edit",
]
[[package]]
@ -3570,17 +3564,6 @@ dependencies = [
"serde",
]
[[package]]
name = "toml_edit"
version = "0.20.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70f427fce4d84c72b5b732388bf4a9f4531b53f74e2887e3ecb2481f68f66d81"
dependencies = [
"indexmap 2.1.0",
"toml_datetime",
"winnow",
]
[[package]]
name = "toml_edit"
version = "0.21.0"
@ -3675,9 +3658,9 @@ dependencies = [
[[package]]
name = "unicode-bidi"
version = "0.3.14"
version = "0.3.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6f2528f27a9eb2b21e69c95319b30bd0efd85d09c379741b0f78ea1d86be2416"
checksum = "08f95100a766bf4f8f28f90d77e0a5461bbdb219042e7679bebe79004fed8d75"
[[package]]
name = "unicode-ident"
@ -3777,9 +3760,9 @@ checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
[[package]]
name = "uuid"
version = "1.6.1"
version = "1.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5e395fcf16a7a3d8127ec99782007af141946b4795001f876d54fb0d55978560"
checksum = "f00cc9702ca12d3c81455259621e676d0f7251cec66a21e98fe2e9a37db93b2a"
[[package]]
name = "valuable"
@ -4141,9 +4124,9 @@ checksum = "718ed7c55c2add6548cca3ddd6383d738cd73b892df400e96b9aa876f0141d7a"
[[package]]
name = "web-sys"
version = "0.3.66"
version = "0.3.67"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "50c24a44ec86bb68fbecd1b3efed7e85ea5621b39b35ef2766b66cd984f8010f"
checksum = "58cd2333b6e0be7a39605f0e255892fd7418a682d8da8fe042fe25128794d2ed"
dependencies = [
"js-sys",
"wasm-bindgen",
@ -4385,9 +4368,9 @@ checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
[[package]]
name = "winnow"
version = "0.5.25"
version = "0.5.34"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b7e87b8dfbe3baffbe687eef2e164e32286eff31a5ee16463ce03d991643ec94"
checksum = "b7cf47b659b318dccbd69cc4797a39ae128f533dce7902a1096044d1967b9c16"
dependencies = [
"memchr",
]
@ -4439,18 +4422,18 @@ dependencies = [
[[package]]
name = "zerocopy"
version = "0.7.31"
version = "0.7.32"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1c4061bedbb353041c12f413700357bec76df2c7e2ca8e4df8bac24c6bf68e3d"
checksum = "74d4d3961e53fa4c9a25a8637fc2bfaf2595b3d3ae34875568a5cf64787716be"
dependencies = [
"zerocopy-derive",
]
[[package]]
name = "zerocopy-derive"
version = "0.7.31"
version = "0.7.32"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b3c129550b3e6de3fd0ba67ba5c81818f9805e58b8d7fee80a3a59d2c9fc601a"
checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
dependencies = [
"proc-macro2",
"quote",

81
core/engine/src/object/builtins/jsarraybuffer.rs
Unescape View File

@ -3,11 +3,13 @@ use crate::{
builtins::array_buffer::ArrayBuffer,
context::intrinsics::StandardConstructors,
error::JsNativeError,
object::{internal_methods::get_prototype_from_constructor, JsObject, JsObjectType},
object::{
internal_methods::get_prototype_from_constructor, ErasedObject, JsObject, JsObjectType,
},
value::TryFromJs,
Context, JsResult, JsValue,
};
use boa_gc::{Finalize, Trace};
use boa_gc::{Finalize, GcRef, GcRefMut, Trace};
use std::ops::Deref;
/// `JsArrayBuffer` provides a wrapper for Boa's implementation of the ECMAScript `ArrayBuffer` object
@ -195,6 +197,81 @@ impl JsArrayBuffer {
.into()
})
}
/// Get an immutable reference to the [`JsArrayBuffer`]'s data.
///
/// Returns `None` if detached.
///
/// ```
/// # use boa_engine::{
/// # object::builtins::JsArrayBuffer,
/// # Context, JsResult, JsValue
/// # };
/// # fn main() -> JsResult<()> {
/// # // Initialize context
/// # let context = &mut Context::default();
/// // Create a buffer from a chunk of data
/// let data_block: Vec<u8> = (0..5).collect();
/// let array_buffer = JsArrayBuffer::from_byte_block(data_block, context)?;
///
/// // Get a reference to the data.
/// let internal_buffer = array_buffer.data();
///
/// assert_eq!(internal_buffer.as_deref(), Some((0..5).collect::<Vec<u8>>().as_slice()));
/// # Ok(())
/// # }
/// ```
#[inline]
#[must_use]
pub fn data(&self) -> Option<GcRef<'_, [u8]>> {
debug_assert!(
self.inner.is::<ArrayBuffer>(),
"inner must be an ArrayBuffer"
);
GcRef::try_map(self.inner.downcast_ref::<ArrayBuffer>()?, ArrayBuffer::data)
}
/// Get a mutable reference to the [`JsArrayBuffer`]'s data.
///
/// Returns `None` if detached.
///
/// ```
/// # use boa_engine::{
/// # object::builtins::JsArrayBuffer,
/// # Context, JsResult, JsValue
/// # };
/// # fn main() -> JsResult<()> {
/// # // Initialize context
/// # let context = &mut Context::default();
/// // Create a buffer from a chunk of data
/// let data_block: Vec<u8> = (0..5).collect();
/// let array_buffer = JsArrayBuffer::from_byte_block(data_block, context)?;
///
/// // Get a reference to the data.
/// let mut internal_buffer = array_buffer
/// .data_mut()
/// .expect("the buffer should not be detached");
///
/// internal_buffer.fill(10);
///
/// assert_eq!(&*internal_buffer, vec![10u8; 5].as_slice());
/// # Ok(())
/// # }
/// ```
#[inline]
#[must_use]
pub fn data_mut(&self) -> Option<GcRefMut<'_, ErasedObject, [u8]>> {
debug_assert!(
self.inner.is::<ArrayBuffer>(),
"inner must be an ArrayBuffer"
);
GcRefMut::try_map(
self.inner.downcast_mut::<ArrayBuffer>()?,
ArrayBuffer::data_mut,
)
}
}
impl From<JsArrayBuffer> for JsObject {

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