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Don't generate extension traits for inextensible structs

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This commit is contained in:
Benjamin Saunders 2018-11-30 17:52:23 -08:00
parent fc1625e81c
commit c0b7d91faf
2 changed files with 1783 additions and 1868 deletions
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3636
ash/src/vk.rs
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15
generator/src/lib.rs
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@ -1542,6 +1542,11 @@ pub fn derive_setters(_struct: &vkxml::Struct) -> Option<Tokens> {
let extends_name = name_to_tokens(&format!("Extends{}", name));
if let Some(extends) = &_struct.extends {
for target in extends.split(',') {
let target = match target {
// https://github.com/KhronosGroup/Vulkan-Docs/pull/870
"VkPhysicalDeviceProperties" => "VkPhysicalDeviceProperties2",
x => x,
};
let target_ident = name_to_tokens(&format!("Extends{}", name_to_tokens(target)));
nexts.push(quote! {
unsafe impl #target_ident for #name {}
@ -1569,6 +1574,14 @@ pub fn derive_setters(_struct: &vkxml::Struct) -> Option<Tokens> {
quote!{}
};
let next_trait = if has_next {
quote!{
pub unsafe trait #extends_name {}
}
} else {
quote!{}
};
let q = quote!{
impl #name {
pub fn builder<'a>() -> #name_builder<'a> {
@ -1584,7 +1597,7 @@ pub fn derive_setters(_struct: &vkxml::Struct) -> Option<Tokens> {
marker: ::std::marker::PhantomData<&'a ()>,
}
pub unsafe trait #extends_name {}
#next_trait
#(#nexts)*