"core::convert::Infallible" => Some("panic!(\"You must never construct a NotConstructable! : "),
- "std::time::Duration"|"core::time::Duration" => Some("std::time::Duration::from_secs("),
+ "std::time::Duration"|"core::time::Duration" => Some("core::time::Duration::from_secs("),
"std::time::SystemTime" => Some("(::std::time::SystemTime::UNIX_EPOCH + std::time::Duration::from_secs("),
"bech32::u5" => Some(""),
/// TODO: We should never need to use this!
fn real_rust_type_mapping<'equiv>(&self, thing: &'equiv str) -> &'equiv str {
match thing {
- "lightning::io::Read" => "std::io::Read",
+ "lightning::io::Read" => "crate::c_types::io::Read",
_ => thing,
}
}
let is_inner_ref = if let Some(syn::Type::Reference(_)) = single_contained { true } else { false };
if is_ref {
return Some(("if ", vec![
- (".is_none() { std::ptr::null() } else { ObjOps::nonnull_ptr_to_inner(".to_owned(),
+ (".is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner(".to_owned(),
format!("({}{}.unwrap())", var_access, if is_inner_ref { "" } else { ".as_ref()" }))
], ") }", ContainerPrefixLocation::OutsideConv));
} else {
return Some(("if ", vec![
- (".is_none() { std::ptr::null_mut() } else { ".to_owned(), format!("({}.unwrap())", var_access))
+ (".is_none() { core::ptr::null_mut() } else { ".to_owned(), format!("({}.unwrap())", var_access))
], " }", ContainerPrefixLocation::OutsideConv));
}
} else if self.is_primitive(&inner_path) || self.c_type_from_path(&inner_path, false, false).is_none() {
}
}
if let Some(t) = single_contained {
+ if let syn::Type::Tuple(syn::TypeTuple { elems, .. }) = t {
+ assert!(elems.is_empty());
+ let inner_name = self.get_c_mangled_container_type(vec![single_contained.unwrap()], generics, "Option").unwrap();
+ return Some(("if ", vec![
+ (format!(".is_none() {{ {}::None }} else {{ {}::Some /*",
+ inner_name, inner_name), format!(""))
+ ], " */}", ContainerPrefixLocation::PerConv));
+ }
if let syn::Type::Reference(syn::TypeReference { elem, .. }) = t {
if let syn::Type::Slice(_) = &**elem {
return Some(("if ", vec![
syn::Type::Path(p) => {
let resolved = self.resolve_path(&p.path, generics);
if self.crate_types.opaques.get(&resolved).is_some() {
- write!(w, "crate::{} {{ inner: std::ptr::null_mut(), is_owned: true }}", resolved).unwrap();
+ write!(w, "crate::{} {{ inner: core::ptr::null_mut(), is_owned: true }}", resolved).unwrap();
} else {
// Assume its a manually-mapped C type, where we can just define an null() fn
write!(w, "{}::null()", self.c_type_from_path(&resolved, false, false).unwrap()).unwrap();
syn::Type::Slice(_) => {
// Option<[]> always implies that we want to treat len() == 0 differently from
// None, so we always map an Option<[]> into a pointer.
- write!(w, " == std::ptr::null_mut()").unwrap();
+ write!(w, " == core::ptr::null_mut()").unwrap();
EmptyValExpectedTy::ReferenceAsPointer
},
_ => unimplemented!(),
}
if !self.write_c_type_intern(w, t, generics, false, false, false, false) { return false; }
} else {
- assert!(!is_ref); // We don't currently support outer reference types for non-primitive inners
+ // We don't currently support outer reference types for non-primitive inners,
+ // except for the empty tuple.
+ if let syn::Type::Tuple(t_arg) = t {
+ assert!(t_arg.elems.len() == 0 || !is_ref);
+ } else {
+ assert!(!is_ref);
+ }
if !self.write_c_type_intern(w, t, generics, false, false, false, false) { return false; }
}
}