133 lines
4.9 KiB
Rust
133 lines
4.9 KiB
Rust
macro_rules! ffi_body {
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($body:block) => {
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{
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let result: Result<(), $crate::error::LibrashaderError> = try {
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$body
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};
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let Err(e) = result else {
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return $crate::error::LibrashaderError::ok()
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};
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e.export()
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}
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};
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(|$($ref_capture:ident),*|; mut |$($mut_capture:ident),*| $body:block) => {
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{
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$($crate::error::assert_non_null!($ref_capture);)*
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$(let $ref_capture = unsafe { &*$ref_capture };)*
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$($crate::error::assert_non_null!($mut_capture);)*
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$(let $mut_capture = unsafe { &mut *$mut_capture };)*
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let result: Result<(), $crate::error::LibrashaderError> = try {
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$body
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};
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let Err(e) = result else {
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return $crate::error::LibrashaderError::ok()
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};
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e.export()
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}
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};
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(mut |$($mut_capture:ident),*| $body:block) => {
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{
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$($crate::error::assert_non_null!($mut_capture);)*
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$(let $mut_capture = unsafe { &mut *$mut_capture };)*
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let result: Result<(), $crate::error::LibrashaderError> = try {
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$body
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};
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let Err(e) = result else {
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return $crate::error::LibrashaderError::ok()
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};
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e.export()
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}
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};
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(|$($ref_capture:ident),*| $body:block) => {
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{
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$($crate::error::assert_non_null!($ref_capture);)*
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$(let $ref_capture = unsafe { &*$ref_capture };)*
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let result: Result<(), $crate::error::LibrashaderError> = try {
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$body
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};
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let Err(e) = result else {
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return $crate::error::LibrashaderError::ok()
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};
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e.export()
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}
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}
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}
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macro_rules! extern_fn {
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($(#[$($attrss:tt)*])* fn $func_name:ident ($($arg_name:ident : $arg_ty:ty),*) $body:block) => {
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::paste::paste! {
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/// Function pointer definition for
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#[doc = ::std::stringify!($func_name)]
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pub type [<PFN_ $func_name>] = unsafe extern "C" fn($($arg_name: $arg_ty,)*) -> $crate::ctypes::libra_error_t;
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}
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#[no_mangle]
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$(#[$($attrss)*])*
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pub unsafe extern "C" fn $func_name($($arg_name: $arg_ty,)*) -> $crate::ctypes::libra_error_t {
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$crate::ffi::ffi_body!($body)
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}
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};
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($(#[$($attrss:tt)*])* raw fn $func_name:ident ($($arg_name:ident : $arg_ty:ty),*) $body:block) => {
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::paste::paste! {
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/// Function pointer definition for
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#[doc = ::std::stringify!($func_name)]
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pub type [<PFN_ $func_name>] = unsafe extern "C" fn($($arg_name: $arg_ty,)*) -> $crate::ctypes::libra_error_t;
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}
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#[no_mangle]
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$(#[$($attrss)*])*
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pub unsafe extern "C" fn $func_name($($arg_name: $arg_ty,)*) -> $crate::ctypes::libra_error_t {
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$body
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}
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};
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($(#[$($attrss:tt)*])* fn $func_name:ident ($($arg_name:ident : $arg_ty:ty),*) |$($ref_capture:ident),*|; mut |$($mut_capture:ident),*| $body:block) => {
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::paste::paste! {
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/// Function pointer definition for
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#[doc = ::std::stringify!($func_name)]
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pub type [<PFN_ $func_name>] = unsafe extern "C" fn($($arg_name: $arg_ty,)*) -> $crate::ctypes::libra_error_t;
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}
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#[no_mangle]
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$(#[$($attrss)*])*
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pub unsafe extern "C" fn $func_name($($arg_name: $arg_ty,)*) -> $crate::ctypes::libra_error_t {
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$crate::ffi::ffi_body!(|$($ref_capture),*|; mut |$($mut_capture),*| $body)
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}
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};
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($(#[$($attrss:tt)*])* fn $func_name:ident ($($arg_name:ident : $arg_ty:ty),*) mut |$($mut_capture:ident),*| $body:block) => {
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::paste::paste! {
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/// Function pointer definition for
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#[doc = ::std::stringify!($func_name)]
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pub type [<PFN_ $func_name>] = unsafe extern "C" fn($($arg_name: $arg_ty,)*) -> $crate::ctypes::libra_error_t;
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}
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#[no_mangle]
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$(#[$($attrss)*])*
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pub unsafe extern "C" fn $func_name($($arg_name: $arg_ty,)*) -> $crate::ctypes::libra_error_t {
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$crate::ffi::ffi_body!(mut |$($mut_capture),*| $body)
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}
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};
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($(#[$($attrss:tt)*])* fn $func_name:ident ($($arg_name:ident : $arg_ty:ty),*) |$($ref_capture:ident),*| $body:block) => {
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::paste::paste! {
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/// Function pointer definition for
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#[doc = ::std::stringify!($func_name)]
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pub type [<PFN_ $func_name>] = unsafe extern "C" fn($($arg_name: $arg_ty,)*) -> $crate::ctypes::libra_error_t;
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}
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#[no_mangle]
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$(#[$($attrss)*])*
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pub unsafe extern "C" fn $func_name($($arg_name: $arg_ty,)*) -> $crate::ctypes::libra_error_t {
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$crate::ffi::ffi_body!(|$($ref_capture),*| $body)
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}
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};
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}
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pub(crate) use extern_fn;
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pub(crate) use ffi_body;
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