Merge pull request #40 from TheBlueMatt/main

[ldk-c-bindings] / c-bindings-gen / src / types.rs

diff --git a/c-bindings-gen/src/types.rs b/c-bindings-gen/src/types.rs
index 13c3b0ed0c2b7b3b00b4af8e58728a117614d6cb..d17148fe25d1378d2ecec2d9c1f2a4f10394f8e5 100644 (file)
--- a/c-bindings-gen/src/types.rs
+++ b/c-bindings-gen/src/types.rs
@@ -890,6 +890,7 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                        "std::io::Error" => Some("crate::c_types::IOError"),
 
                        "bech32::u5" => Some("crate::c_types::u5"),
+                       "core::num::NonZeroU8" => Some("u8"),
 
                        "bitcoin::secp256k1::key::PublicKey"|"bitcoin::secp256k1::PublicKey"|"secp256k1::key::PublicKey"
                                => Some("crate::c_types::PublicKey"),
@@ -910,6 +911,11 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                        "bitcoin::blockdata::block::BlockHeader" if is_ref  => Some("*const [u8; 80]"),
                        "bitcoin::blockdata::block::Block" if is_ref  => Some("crate::c_types::u8slice"),
 
+                       "bitcoin::hash_types::PubkeyHash"|"bitcoin::hash_types::WPubkeyHash"|"bitcoin::hash_types::ScriptHash"
+                               if is_ref => Some("*const [u8; 20]"),
+                       "bitcoin::hash_types::WScriptHash"
+                               if is_ref => Some("*const [u8; 32]"),
+
                        // Newtypes that we just expose in their original form.
                        "bitcoin::hash_types::Txid"|"bitcoin::hash_types::BlockHash"|"bitcoin_hashes::sha256::Hash"
                                if is_ref  => Some("*const [u8; 32]"),
@@ -963,6 +969,7 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                        "std::time::SystemTime" => Some("(::std::time::SystemTime::UNIX_EPOCH + std::time::Duration::from_secs("),
 
                        "bech32::u5" => Some(""),
+                       "core::num::NonZeroU8" => Some("core::num::NonZeroU8::new("),
 
                        "bitcoin::secp256k1::key::PublicKey"|"bitcoin::secp256k1::PublicKey"|"secp256k1::key::PublicKey"
                                if is_ref => Some("&"),
@@ -984,6 +991,15 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                        "bitcoin::blockdata::block::BlockHeader" => Some("&::bitcoin::consensus::encode::deserialize(unsafe { &*"),
                        "bitcoin::blockdata::block::Block" if is_ref => Some("&::bitcoin::consensus::encode::deserialize("),
 
+                       "bitcoin::hash_types::PubkeyHash" if is_ref =>
+                               Some("&bitcoin::hash_types::PubkeyHash::from_hash(bitcoin::hashes::Hash::from_inner(unsafe { *"),
+                       "bitcoin::hash_types::WPubkeyHash" if is_ref =>
+                               Some("&bitcoin::hash_types::WPubkeyHash::from_hash(bitcoin::hashes::Hash::from_inner(unsafe { *"),
+                       "bitcoin::hash_types::ScriptHash" if is_ref =>
+                               Some("&bitcoin::hash_types::ScriptHash::from_hash(bitcoin::hashes::Hash::from_inner(unsafe { *"),
+                       "bitcoin::hash_types::WScriptHash" if is_ref =>
+                               Some("&bitcoin::hash_types::WScriptHash::from_hash(bitcoin::hashes::Hash::from_inner(unsafe { *"),
+
                        // Newtypes that we just expose in their original form.
                        "bitcoin::hash_types::Txid" if is_ref => Some("&::bitcoin::hash_types::Txid::from_slice(&unsafe { &*"),
                        "bitcoin::hash_types::Txid" if !is_ref => Some("::bitcoin::hash_types::Txid::from_slice(&"),
@@ -1028,6 +1044,7 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                        "std::time::SystemTime" => Some("))"),
 
                        "bech32::u5" => Some(".into()"),
+                       "core::num::NonZeroU8" => Some(").expect(\"Value must be non-zero\")"),
 
                        "bitcoin::secp256k1::key::PublicKey"|"bitcoin::secp256k1::PublicKey"|"secp256k1::key::PublicKey"
                                => Some(".into_rust()"),
@@ -1045,6 +1062,10 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                        "bitcoin::blockdata::block::BlockHeader" => Some(" }).unwrap()"),
                        "bitcoin::blockdata::block::Block" => Some(".to_slice()).unwrap()"),
 
+                       "bitcoin::hash_types::PubkeyHash"|"bitcoin::hash_types::WPubkeyHash"|
+                       "bitcoin::hash_types::ScriptHash"|"bitcoin::hash_types::WScriptHash"
+                               if is_ref => Some(" }.clone()))"),
+
                        // Newtypes that we just expose in their original form.
                        "bitcoin::hash_types::Txid" if is_ref => Some(" }[..]).unwrap()"),
                        "bitcoin::hash_types::Txid" => Some(".data[..]).unwrap()"),
@@ -1318,9 +1339,9 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                                                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 { ".to_owned(),
+                                                               (".is_none() { std::ptr::null() } else { ObjOps::nonnull_ptr_to_inner(".to_owned(),
                                                                        format!("({}{}.unwrap())", var_access, if is_inner_ref { "" } else { ".as_ref()" }))
-                                                               ], " }", ContainerPrefixLocation::OutsideConv));
+                                                               ], ") }", ContainerPrefixLocation::OutsideConv));
                                                } else {
                                                        return Some(("if ", vec![
                                                                (".is_none() { std::ptr::null_mut() } else { ".to_owned(), format!("({}.unwrap())", var_access))
@@ -1845,14 +1866,14 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                                                DeclType::MirroredEnum => write!(w, "crate::{}::native_into(", decl_path).unwrap(),
                                                DeclType::EnumIgnored|DeclType::StructImported if is_ref && ptr_for_ref && from_ptr =>
                                                        write!(w, "crate::{} {{ inner: unsafe {{ (", decl_path).unwrap(),
-                                               DeclType::EnumIgnored|DeclType::StructImported if is_ref && ptr_for_ref =>
-                                                       write!(w, "crate::{} {{ inner: unsafe {{ ( (&(*", decl_path).unwrap(),
-                                               DeclType::EnumIgnored|DeclType::StructImported if is_ref =>
-                                                       write!(w, "&crate::{} {{ inner: unsafe {{ (", decl_path).unwrap(),
+                                               DeclType::EnumIgnored|DeclType::StructImported if is_ref => {
+                                                       if !ptr_for_ref { write!(w, "&").unwrap(); }
+                                                       write!(w, "crate::{} {{ inner: unsafe {{ ObjOps::nonnull_ptr_to_inner((", decl_path).unwrap()
+                                               },
                                                DeclType::EnumIgnored|DeclType::StructImported if !is_ref && from_ptr =>
                                                        write!(w, "crate::{} {{ inner: ", decl_path).unwrap(),
                                                DeclType::EnumIgnored|DeclType::StructImported if !is_ref =>
-                                                       write!(w, "crate::{} {{ inner: Box::into_raw(Box::new(", decl_path).unwrap(),
+                                                       write!(w, "crate::{} {{ inner: ObjOps::heap_alloc(", decl_path).unwrap(),
                                                DeclType::Trait(_) if is_ref => write!(w, "").unwrap(),
                                                DeclType::Trait(_) if !is_ref => {},
                                                _ => panic!("{:?}", decl_path),
@@ -1869,13 +1890,11 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                                        DeclType::MirroredEnum => write!(w, ")").unwrap(),
                                        DeclType::EnumIgnored|DeclType::StructImported if is_ref && ptr_for_ref && from_ptr =>
                                                write!(w, " as *const _) as *mut _ }}, is_owned: false }}").unwrap(),
-                                       DeclType::EnumIgnored|DeclType::StructImported if is_ref && ptr_for_ref =>
-                                               write!(w, ") as *const _) as *mut _) }}, is_owned: false }}").unwrap(),
                                        DeclType::EnumIgnored|DeclType::StructImported if is_ref =>
-                                               write!(w, " as *const _) as *mut _ }}, is_owned: false }}").unwrap(),
+                                               write!(w, " as *const _) as *mut _) }}, is_owned: false }}").unwrap(),
                                        DeclType::EnumIgnored|DeclType::StructImported if !is_ref && from_ptr =>
                                                write!(w, ", is_owned: true }}").unwrap(),
-                                       DeclType::EnumIgnored|DeclType::StructImported if !is_ref => write!(w, ")), is_owned: true }}").unwrap(),
+                                       DeclType::EnumIgnored|DeclType::StructImported if !is_ref => write!(w, "), is_owned: true }}").unwrap(),
                                        DeclType::Trait(_) if is_ref => {},
                                        DeclType::Trait(_) => {
                                                // This is used when we're converting a concrete Rust type into a C trait
@@ -1891,13 +1910,11 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                self.write_to_c_conversion_inline_suffix_inner(w, t, generics, false, ptr_for_ref, false);
        }
 
-       fn write_from_c_conversion_prefix_inner<W: std::io::Write>(&self, w: &mut W, t: &syn::Type, generics: Option<&GenericTypes>, is_ref: bool, ptr_for_ref: bool) {
+       fn write_from_c_conversion_prefix_inner<W: std::io::Write>(&self, w: &mut W, t: &syn::Type, generics: Option<&GenericTypes>, is_ref: bool, _ptr_for_ref: bool) {
                self.write_conversion_inline_intern(w, t, generics, is_ref, false, false, "() /*", true, |_, _| "&local_".to_owned(),
                                |a, b, _c| self.from_c_conversion_prefix_from_path(a, b),
-                               |w, decl_type, _full_path, is_ref, is_mut| match decl_type {
-                                       DeclType::StructImported if is_ref && ptr_for_ref => write!(w, "unsafe {{ &*(*").unwrap(),
-                                       DeclType::StructImported if is_mut && is_ref => write!(w, "unsafe {{ &mut *").unwrap(),
-                                       DeclType::StructImported if is_ref => write!(w, "unsafe {{ &*").unwrap(),
+                               |w, decl_type, _full_path, is_ref, _is_mut| match decl_type {
+                                       DeclType::StructImported if is_ref => write!(w, "").unwrap(),
                                        DeclType::StructImported if !is_ref => write!(w, "*unsafe {{ Box::from_raw(").unwrap(),
                                        DeclType::MirroredEnum if is_ref => write!(w, "&").unwrap(),
                                        DeclType::MirroredEnum => {},
@@ -1917,9 +1934,10 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                                        (true, Some(_)) => unreachable!(),
                                },
                                |a, b, _c| self.from_c_conversion_suffix_from_path(a, b),
-                               |w, decl_type, _full_path, is_ref, _is_mut| match decl_type {
-                                       DeclType::StructImported if is_ref && ptr_for_ref => write!(w, ").inner }}").unwrap(),
-                                       DeclType::StructImported if is_ref => write!(w, ".inner }}").unwrap(),
+                               |w, decl_type, _full_path, is_ref, is_mut| match decl_type {
+                                       DeclType::StructImported if is_ref && ptr_for_ref => write!(w, "XXX unimplemented").unwrap(),
+                                       DeclType::StructImported if is_mut && is_ref => write!(w, ".get_native_mut_ref()").unwrap(),
+                                       DeclType::StructImported if is_ref => write!(w, ".get_native_ref()").unwrap(),
                                        DeclType::StructImported if !is_ref => write!(w, ".take_inner()) }}").unwrap(),
                                        DeclType::MirroredEnum if is_ref => write!(w, ".to_native()").unwrap(),
                                        DeclType::MirroredEnum => write!(w, ".into_native()").unwrap(),
@@ -1940,7 +1958,7 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                                        } else { None }
                                },
                                |w, decl_type, _full_path, is_ref, _is_mut| match decl_type {
-                                       DeclType::StructImported if !is_ref => write!(w, "unsafe {{ &*").unwrap(),
+                                       DeclType::StructImported if !is_ref => write!(w, "").unwrap(),
                                        _ => unimplemented!(),
                                });
        }
@@ -1954,7 +1972,7 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                                },
                                |a, b, _c| self.from_c_conversion_suffix_from_path(a, b),
                                |w, decl_type, _full_path, is_ref, _is_mut| match decl_type {
-                                       DeclType::StructImported if !is_ref => write!(w, ".inner }}").unwrap(),
+                                       DeclType::StructImported if !is_ref => write!(w, ".get_native_ref()").unwrap(),
                                        _ => unimplemented!(),
                                });
        }
@@ -2043,14 +2061,14 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
                                                if prefix_location == ContainerPrefixLocation::PerConv {
                                                        var_prefix(w, conv_ty, generics, is_ref && ty_has_inner, ptr_for_ref, false);
                                                } else if !is_ref && !needs_ref_map && to_c && only_contained_has_inner {
-                                                       write!(w, "Box::into_raw(Box::new(").unwrap();
+                                                       write!(w, "ObjOps::heap_alloc(").unwrap();
                                                }
 
                                                write!(w, "{}{}", if contains_slice { "local_" } else { "" }, if new_var { new_var_name } else { var_access }).unwrap();
                                                if prefix_location == ContainerPrefixLocation::PerConv {
                                                        var_suffix(w, conv_ty, generics, is_ref && ty_has_inner, ptr_for_ref, false);
                                                } else if !is_ref && !needs_ref_map && to_c && only_contained_has_inner {
-                                                       write!(w, "))").unwrap();
+                                                       write!(w, ")").unwrap();
                                                }
                                                write!(w, " }}").unwrap();
                                        }