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i think the memory model is fixed now? at least until arrays....

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This commit is contained in:
Pat Hickey
2020-01-27 20:21:53 -08:00
parent ec456e9e50
commit c780421c28
5 changed files with 105 additions and 53 deletions
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6
crates/generate/src/types.rs
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@@ -105,12 +105,16 @@ fn define_enum(names: &Names, name: &witx::Id, e: &witx::EnumDatatype) -> TokenS
impl ::memory::GuestTypeCopy for #ident {}
impl ::memory::GuestTypeClone for #ident {
fn from_guest(location: &::memory::GuestPtr<#ident>) -> Result<#ident, ::memory::GuestError> {
fn read_from_guest(location: &::memory::GuestPtr<#ident>) -> Result<#ident, ::memory::GuestError> {
use ::std::convert::TryFrom;
let raw: #repr = unsafe { (location.as_raw() as *const #repr).read() };
let val = #ident::try_from(raw)?;
Ok(val)
}
fn write_to_guest(&self, location: &::memory::GuestPtrMut<#ident>) {
let val: #repr = #repr::from(*self);
unsafe { (location.as_raw() as *mut #repr).write(val) };
}
}
}