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Expand LongLong to (i32 or f64) instead of i64

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This commit tweaks WebIDL expansion of the "long long" and "unsigned long long"
types to expand to a union of an 32-bit integer and a double. This reflects how
almost none of the APIs on the web today actually work with a `BigInt` (what the
previous Rust type of `i64` translates to) and how JS itself fundamentally
operates with these APIs.

Eventually this may not be necessary if we can natively connect to C++ engines
with the `i64` type, but until that day comes this should provide more useful
interfaces as they shoudl work in all browsers.

Closes #800
This commit is contained in:
Alex Crichton
2018-09-10 10:28:44 -07:00
parent f18b10ca52
commit b7d7d28418
3 changed files with 12 additions and 9 deletions
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10
crates/webidl/src/idl_type.rs
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@@ -449,8 +449,8 @@ impl<'a> IdlType<'a> {
IdlType::UnsignedShort => Some(ident_ty(raw_ident("u16"))),
IdlType::Long => Some(ident_ty(raw_ident("i32"))),
IdlType::UnsignedLong => Some(ident_ty(raw_ident("u32"))),
IdlType::LongLong => Some(ident_ty(raw_ident("i64"))),
IdlType::UnsignedLongLong => Some(ident_ty(raw_ident("u64"))),
IdlType::LongLong => None,
IdlType::UnsignedLongLong => None,
IdlType::Float => Some(ident_ty(raw_ident("f32"))),
IdlType::UnrestrictedFloat => Some(ident_ty(raw_ident("f32"))),
IdlType::Double => Some(ident_ty(raw_ident("f64"))),
@@ -582,6 +582,12 @@ impl<'a> IdlType<'a> {
IdlType::BufferSource => {
vec![IdlType::BufferSource, IdlType::Uint8ArrayMut]
}
IdlType::LongLong => {
vec![IdlType::Long, IdlType::Double]
}
IdlType::UnsignedLongLong => {
vec![IdlType::UnsignedLong, IdlType::Double]
}
idl_type @ _ => vec![idl_type.clone()],
}
}