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Merge 4a2dc52 into 9dda8d3
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@RageKnify
RageKnify authored Feb 26, 2022
2 parents 9dda8d3 + 4a2dc52 commit 9901f3c
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Showing 10 changed files with 196 additions and 156 deletions.
95 changes: 45 additions & 50 deletions boa_engine/src/builtins/array_buffer/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
mod tests;

use crate::{
builtins::{typed_array::TypedArrayName, BuiltIn, JsArgs},
builtins::{typed_array::TypedArrayKind, BuiltIn, JsArgs},
context::StandardObjects,
object::{
internal_methods::get_prototype_from_constructor, ConstructorBuilder, FunctionBuilder,
Expand Down Expand Up @@ -397,17 +397,17 @@ impl ArrayBuffer {
/// - [ECMAScript reference][spec]
///
/// [spec]: https://tc39.es/ecma262/#sec-isunclampedintegerelementtype
fn is_unclamped_integer_element_type(t: TypedArrayName) -> bool {
fn is_unclamped_integer_element_type(t: TypedArrayKind) -> bool {
// 1. If type is Int8, Uint8, Int16, Uint16, Int32, or Uint32, return true.
// 2. Return false.
matches!(
t,
TypedArrayName::Int8Array
| TypedArrayName::Uint8Array
| TypedArrayName::Int16Array
| TypedArrayName::Uint16Array
| TypedArrayName::Int32Array
| TypedArrayName::Uint32Array
TypedArrayKind::Int8
| TypedArrayKind::Uint8
| TypedArrayKind::Int16
| TypedArrayKind::Uint16
| TypedArrayKind::Int32
| TypedArrayKind::Uint32
)
}

Expand All @@ -417,13 +417,10 @@ impl ArrayBuffer {
/// - [ECMAScript reference][spec]
///
/// [spec]: https://tc39.es/ecma262/#sec-isbigintelementtype
fn is_big_int_element_type(t: TypedArrayName) -> bool {
fn is_big_int_element_type(t: TypedArrayKind) -> bool {
// 1. If type is BigUint64 or BigInt64, return true.
// 2. Return false.
matches!(
t,
TypedArrayName::BigUint64Array | TypedArrayName::BigInt64Array
)
matches!(t, TypedArrayKind::BigUint64 | TypedArrayKind::BigInt64)
}

/// `25.1.2.8 IsNoTearConfiguration ( type, order )`
Expand All @@ -434,7 +431,7 @@ impl ArrayBuffer {
/// [spec]: https://tc39.es/ecma262/#sec-isnotearconfiguration
// TODO: Allow unused function until shared array buffers are implemented.
#[allow(dead_code)]
fn is_no_tear_configuration(t: TypedArrayName, order: SharedMemoryOrder) -> bool {
fn is_no_tear_configuration(t: TypedArrayKind, order: SharedMemoryOrder) -> bool {
// 1. If ! IsUnclampedIntegerElementType(type) is true, return true.
if Self::is_unclamped_integer_element_type(t) {
return true;
Expand All @@ -460,23 +457,23 @@ impl ArrayBuffer {
/// - [ECMAScript reference][spec]
///
/// [spec]: https://tc39.es/ecma262/#sec-rawbytestonumeric
fn raw_bytes_to_numeric(t: TypedArrayName, bytes: &[u8], is_little_endian: bool) -> JsValue {
fn raw_bytes_to_numeric(t: TypedArrayKind, bytes: &[u8], is_little_endian: bool) -> JsValue {
let n: Numeric = match t {
TypedArrayName::Int8Array => {
TypedArrayKind::Int8 => {
if is_little_endian {
i8::from_le_bytes(bytes.try_into().expect("slice with incorrect length")).into()
} else {
i8::from_be_bytes(bytes.try_into().expect("slice with incorrect length")).into()
}
}
TypedArrayName::Uint8Array | TypedArrayName::Uint8ClampedArray => {
TypedArrayKind::Uint8 | TypedArrayKind::Uint8Clamped => {
if is_little_endian {
u8::from_le_bytes(bytes.try_into().expect("slice with incorrect length")).into()
} else {
u8::from_be_bytes(bytes.try_into().expect("slice with incorrect length")).into()
}
}
TypedArrayName::Int16Array => {
TypedArrayKind::Int16 => {
if is_little_endian {
i16::from_le_bytes(bytes.try_into().expect("slice with incorrect length"))
.into()
Expand All @@ -485,7 +482,7 @@ impl ArrayBuffer {
.into()
}
}
TypedArrayName::Uint16Array => {
TypedArrayKind::Uint16 => {
if is_little_endian {
u16::from_le_bytes(bytes.try_into().expect("slice with incorrect length"))
.into()
Expand All @@ -494,7 +491,7 @@ impl ArrayBuffer {
.into()
}
}
TypedArrayName::Int32Array => {
TypedArrayKind::Int32 => {
if is_little_endian {
i32::from_le_bytes(bytes.try_into().expect("slice with incorrect length"))
.into()
Expand All @@ -503,7 +500,7 @@ impl ArrayBuffer {
.into()
}
}
TypedArrayName::Uint32Array => {
TypedArrayKind::Uint32 => {
if is_little_endian {
u32::from_le_bytes(bytes.try_into().expect("slice with incorrect length"))
.into()
Expand All @@ -512,7 +509,7 @@ impl ArrayBuffer {
.into()
}
}
TypedArrayName::BigInt64Array => {
TypedArrayKind::BigInt64 => {
if is_little_endian {
i64::from_le_bytes(bytes.try_into().expect("slice with incorrect length"))
.into()
Expand All @@ -521,7 +518,7 @@ impl ArrayBuffer {
.into()
}
}
TypedArrayName::BigUint64Array => {
TypedArrayKind::BigUint64 => {
if is_little_endian {
u64::from_le_bytes(bytes.try_into().expect("slice with incorrect length"))
.into()
Expand All @@ -530,7 +527,7 @@ impl ArrayBuffer {
.into()
}
}
TypedArrayName::Float32Array => {
TypedArrayKind::Float32 => {
if is_little_endian {
f32::from_le_bytes(bytes.try_into().expect("slice with incorrect length"))
.into()
Expand All @@ -539,7 +536,7 @@ impl ArrayBuffer {
.into()
}
}
TypedArrayName::Float64Array => {
TypedArrayKind::Float64 => {
if is_little_endian {
f64::from_le_bytes(bytes.try_into().expect("slice with incorrect length"))
.into()
Expand All @@ -562,7 +559,7 @@ impl ArrayBuffer {
pub(crate) fn get_value_from_buffer(
&self,
byte_index: usize,
t: TypedArrayName,
t: TypedArrayKind,
_is_typed_array: bool,
_order: SharedMemoryOrder,
is_little_endian: Option<bool>,
Expand Down Expand Up @@ -600,43 +597,41 @@ impl ArrayBuffer {
///
/// [spec]: https://tc39.es/ecma262/#sec-numerictorawbytes
fn numeric_to_raw_bytes(
t: TypedArrayName,
t: TypedArrayKind,
value: &JsValue,
is_little_endian: bool,
context: &mut Context,
) -> JsResult<Vec<u8>> {
Ok(match t {
TypedArrayName::Int8Array if is_little_endian => {
TypedArrayKind::Int8 if is_little_endian => {
value.to_int8(context)?.to_le_bytes().to_vec()
}
TypedArrayName::Int8Array => value.to_int8(context)?.to_be_bytes().to_vec(),
TypedArrayName::Uint8Array if is_little_endian => {
TypedArrayKind::Int8 => value.to_int8(context)?.to_be_bytes().to_vec(),
TypedArrayKind::Uint8 if is_little_endian => {
value.to_uint8(context)?.to_le_bytes().to_vec()
}
TypedArrayName::Uint8Array => value.to_uint8(context)?.to_be_bytes().to_vec(),
TypedArrayName::Uint8ClampedArray if is_little_endian => {
TypedArrayKind::Uint8 => value.to_uint8(context)?.to_be_bytes().to_vec(),
TypedArrayKind::Uint8Clamped if is_little_endian => {
value.to_uint8_clamp(context)?.to_le_bytes().to_vec()
}
TypedArrayName::Uint8ClampedArray => {
value.to_uint8_clamp(context)?.to_be_bytes().to_vec()
}
TypedArrayName::Int16Array if is_little_endian => {
TypedArrayKind::Uint8Clamped => value.to_uint8_clamp(context)?.to_be_bytes().to_vec(),
TypedArrayKind::Int16 if is_little_endian => {
value.to_int16(context)?.to_le_bytes().to_vec()
}
TypedArrayName::Int16Array => value.to_int16(context)?.to_be_bytes().to_vec(),
TypedArrayName::Uint16Array if is_little_endian => {
TypedArrayKind::Int16 => value.to_int16(context)?.to_be_bytes().to_vec(),
TypedArrayKind::Uint16 if is_little_endian => {
value.to_uint16(context)?.to_le_bytes().to_vec()
}
TypedArrayName::Uint16Array => value.to_uint16(context)?.to_be_bytes().to_vec(),
TypedArrayName::Int32Array if is_little_endian => {
TypedArrayKind::Uint16 => value.to_uint16(context)?.to_be_bytes().to_vec(),
TypedArrayKind::Int32 if is_little_endian => {
value.to_i32(context)?.to_le_bytes().to_vec()
}
TypedArrayName::Int32Array => value.to_i32(context)?.to_be_bytes().to_vec(),
TypedArrayName::Uint32Array if is_little_endian => {
TypedArrayKind::Int32 => value.to_i32(context)?.to_be_bytes().to_vec(),
TypedArrayKind::Uint32 if is_little_endian => {
value.to_u32(context)?.to_le_bytes().to_vec()
}
TypedArrayName::Uint32Array => value.to_u32(context)?.to_be_bytes().to_vec(),
TypedArrayName::BigInt64Array if is_little_endian => {
TypedArrayKind::Uint32 => value.to_u32(context)?.to_be_bytes().to_vec(),
TypedArrayKind::BigInt64 if is_little_endian => {
let big_int = value.to_big_int64(context)?;
big_int
.to_i64()
Expand All @@ -650,7 +645,7 @@ impl ArrayBuffer {
.to_le_bytes()
.to_vec()
}
TypedArrayName::BigInt64Array => {
TypedArrayKind::BigInt64 => {
let big_int = value.to_big_int64(context)?;
big_int
.to_i64()
Expand All @@ -664,23 +659,23 @@ impl ArrayBuffer {
.to_be_bytes()
.to_vec()
}
TypedArrayName::BigUint64Array if is_little_endian => value
TypedArrayKind::BigUint64 if is_little_endian => value
.to_big_uint64(context)?
.to_u64()
.unwrap_or(u64::MAX)
.to_le_bytes()
.to_vec(),
TypedArrayName::BigUint64Array => value
TypedArrayKind::BigUint64 => value
.to_big_uint64(context)?
.to_u64()
.unwrap_or(u64::MAX)
.to_be_bytes()
.to_vec(),
TypedArrayName::Float32Array => match value.to_number(context)? {
TypedArrayKind::Float32 => match value.to_number(context)? {
f if is_little_endian => (f as f32).to_le_bytes().to_vec(),
f => (f as f32).to_be_bytes().to_vec(),
},
TypedArrayName::Float64Array => match value.to_number(context)? {
TypedArrayKind::Float64 => match value.to_number(context)? {
f if is_little_endian => f.to_le_bytes().to_vec(),
f => f.to_be_bytes().to_vec(),
},
Expand All @@ -696,7 +691,7 @@ impl ArrayBuffer {
pub(crate) fn set_value_in_buffer(
&mut self,
byte_index: usize,
t: TypedArrayName,
t: TypedArrayKind,
value: &JsValue,
_order: SharedMemoryOrder,
is_little_endian: Option<bool>,
Expand Down
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