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Map u64/i64 to BigInt in JS

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This commit is an implementation of mapping u64/i64 to `BigInt` in JS through
the unstable BigInt APIs. The BigInt type will ship soon in Chrome and so this
commit builds out the necessary support for wasm-bindgen to use it!
This commit is contained in:
Alex Crichton
2018-05-05 14:10:25 -07:00
parent 484fbbfe31
commit 237fff0698
10 changed files with 364 additions and 63 deletions
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18
crates/cli-support/src/descriptor.rs
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@ -79,6 +79,8 @@ pub enum VectorKind {
U16,
I32,
U32,
I64,
U64,
F32,
F64,
String,
@ -139,8 +141,6 @@ impl Descriptor {
Descriptor::U16 |
Descriptor::I32 |
Descriptor::U32 |
Descriptor::I64 |
Descriptor::U64 |
Descriptor::F32 |
Descriptor::F64 |
Descriptor::Enum => true,
@ -148,6 +148,14 @@ impl Descriptor {
}
}
pub fn get_64bit(&self) -> Option<bool> {
match *self {
Descriptor::I64 => Some(true),
Descriptor::U64 => Some(false),
_ => None,
}
}
pub fn is_ref_anyref(&self) -> bool {
match *self {
Descriptor::Ref(ref s) => s.is_anyref(),
@ -199,9 +207,11 @@ impl Descriptor {
Descriptor::I8 => Some(VectorKind::I8),
Descriptor::I16 => Some(VectorKind::I16),
Descriptor::I32 => Some(VectorKind::I32),
Descriptor::I64 => Some(VectorKind::I64),
Descriptor::U8 => Some(VectorKind::U8),
Descriptor::U16 => Some(VectorKind::U16),
Descriptor::U32 => Some(VectorKind::U32),
Descriptor::U64 => Some(VectorKind::U64),
Descriptor::F32 => Some(VectorKind::F32),
Descriptor::F64 => Some(VectorKind::F64),
Descriptor::Anyref => Some(VectorKind::Anyref),
@ -290,6 +300,8 @@ impl VectorKind {
VectorKind::U16 => "Uint16Array",
VectorKind::I32 => "Int32Array",
VectorKind::U32 => "Uint32Array",
VectorKind::I64 => "BigInt64Array",
VectorKind::U64 => "BigUint64Array",
VectorKind::F32 => "Float32Array",
VectorKind::F64 => "Float64Array",
VectorKind::Anyref => "any[]",
@ -305,6 +317,8 @@ impl VectorKind {
VectorKind::U16 => 2,
VectorKind::I32 => 4,
VectorKind::U32 => 4,
VectorKind::I64 => 8,
VectorKind::U64 => 8,
VectorKind::F32 => 4,
VectorKind::F64 => 8,
VectorKind::Anyref => 4,