diff options
Diffstat (limited to 'third_party/rust/winapi/src/macros.rs')
| -rw-r--r-- | third_party/rust/winapi/src/macros.rs | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/third_party/rust/winapi/src/macros.rs b/third_party/rust/winapi/src/macros.rs new file mode 100644 index 0000000000..d6b133f028 --- /dev/null +++ b/third_party/rust/winapi/src/macros.rs @@ -0,0 +1,440 @@ +// Licensed under the Apache License, Version 2.0 +// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option. +// All files in the project carrying such notice may not be copied, modified, or distributed +// except according to those terms. +//! Macros to make things easier to define +macro_rules! DECLARE_HANDLE { + ($name:ident, $inner:ident) => { + pub enum $inner {} + pub type $name = *mut $inner; + }; +} +macro_rules! MAKE_HRESULT { + ($sev:expr, $fac:expr, $code:expr) => { + ($sev << 31) | ($fac << 16) | $code + } +} +macro_rules! MAKE_SCODE { + ($sev:expr, $fac:expr, $code:expr) => { + ($sev << 31) | ($fac << 16) | $code + } +} +macro_rules! HIDP_ERROR_CODES { + ($sev:expr, $code:expr) => { + ($sev << 28) | (FACILITY_HID_ERROR_CODE << 16) | $code + } +} +macro_rules! MAKEFOURCC { + ($a:expr, $b:expr, $c:expr, $d:expr) => { + ($a as u32) | (($b as u32) << 8) | (($c as u32) << 16) | (($d as u32) << 24) + } +} +#[macro_export] +macro_rules! DEFINE_GUID { + ( + $name:ident, $l:expr, $w1:expr, $w2:expr, + $b1:expr, $b2:expr, $b3:expr, $b4:expr, $b5:expr, $b6:expr, $b7:expr, $b8:expr + ) => { + pub const $name: $crate::shared::guiddef::GUID = $crate::shared::guiddef::GUID { + Data1: $l, + Data2: $w1, + Data3: $w2, + Data4: [$b1, $b2, $b3, $b4, $b5, $b6, $b7, $b8], + }; + } +} +macro_rules! DEFINE_BLUETOOTH_UUID128 { + ($name:ident, $shortId:expr) => { + DEFINE_GUID!{$name, + $shortId as u32, 0x0000, 0x1000, 0x80, 0x00, 0x00, 0x80, 0x5F, 0x9B, 0x34, 0xFB} + } +} +#[macro_export] +macro_rules! DEFINE_PROPERTYKEY { + ( + $name:ident, $l:expr, $w1:expr, $w2:expr, + $b1:expr, $b2:expr, $b3:expr, $b4:expr, $b5:expr, $b6:expr, $b7:expr, $b8:expr, + $pid:expr + ) => { + pub const $name: PROPERTYKEY + = PROPERTYKEY { + fmtid: $crate::shared::guiddef::GUID { + Data1: $l, + Data2: $w1, + Data3: $w2, + Data4: [$b1, $b2, $b3, $b4, $b5, $b6, $b7, $b8], + }, + pid: $pid, + }; + } +} +#[macro_export] +macro_rules! DEFINE_DEVPROPKEY { + ( + $name:ident, $l:expr, $w1:expr, $w2:expr, + $b1:expr, $b2:expr, $b3:expr, $b4:expr, $b5:expr, $b6:expr, $b7:expr, $b8:expr, + $pid:expr + ) => { + pub const $name: DEVPROPKEY = DEVPROPKEY { + fmtid: $crate::shared::guiddef::GUID { + Data1: $l, + Data2: $w1, + Data3: $w2, + Data4: [$b1, $b2, $b3, $b4, $b5, $b6, $b7, $b8], + }, + pid: $pid, + }; + } +} +macro_rules! CTL_CODE { + ($DeviceType:expr, $Function:expr, $Method:expr, $Access:expr) => { + ($DeviceType << 16) | ($Access << 14) | ($Function << 2) | $Method + } +} +macro_rules! BTH_CTL { + ($id:expr) => { + CTL_CODE!(FILE_DEVICE_BLUETOOTH, $id, METHOD_BUFFERED, FILE_ANY_ACCESS) + }; +} +macro_rules! BTH_KERNEL_CTL { + ($id:expr) => { + CTL_CODE!(FILE_DEVICE_BLUETOOTH, $id, METHOD_NEITHER, FILE_ANY_ACCESS) + }; +} +macro_rules! HID_CTL_CODE { + ($id:expr) => { + CTL_CODE!(FILE_DEVICE_KEYBOARD, $id, METHOD_NEITHER, FILE_ANY_ACCESS) + } +} +macro_rules! HID_BUFFER_CTL_CODE { + ($id:expr) => { + CTL_CODE!(FILE_DEVICE_KEYBOARD, $id, METHOD_BUFFERED, FILE_ANY_ACCESS) + } +} +macro_rules! HID_IN_CTL_CODE { + ($id:expr) => { + CTL_CODE!(FILE_DEVICE_KEYBOARD, $id, METHOD_IN_DIRECT, FILE_ANY_ACCESS) + } +} +macro_rules! HID_OUT_CTL_CODE { + ($id:expr) => { + CTL_CODE!(FILE_DEVICE_KEYBOARD, $id, METHOD_OUT_DIRECT, FILE_ANY_ACCESS) + } +} +macro_rules! AUDCLNT_ERR { + ($n:expr) => { + MAKE_HRESULT!(SEVERITY_ERROR, FACILITY_AUDCLNT, $n) + }; +} +macro_rules! AUDCLNT_SUCCESS { + ($n:expr) => { + MAKE_SCODE!(SEVERITY_SUCCESS, FACILITY_AUDCLNT, $n) + }; +} +macro_rules! BCRYPT_MAKE_INTERFACE_VERSION { + ($major:expr, $minor:expr) => { + $crate::shared::bcrypt::BCRYPT_INTERFACE_VERSION { + MajorVersion: $major, MinorVersion: $minor, + } + } +} +macro_rules! MAKEINTRESOURCE { + ($i:expr) => { $i as u16 as usize as LPWSTR } +} +#[macro_export] +macro_rules! RIDL { + (#[uuid($l:expr, $w1:expr, $w2:expr, + $b1:expr, $b2:expr, $b3:expr, $b4:expr, $b5:expr, $b6:expr, $b7:expr, $b8:expr)] + class $class:ident;) => ( + pub enum $class {} + impl $crate::Class for $class { + #[inline] + fn uuidof() -> $crate::shared::guiddef::GUID { + $crate::shared::guiddef::GUID { + Data1: $l, + Data2: $w1, + Data3: $w2, + Data4: [$b1, $b2, $b3, $b4, $b5, $b6, $b7, $b8], + } + } + } + ); + (#[uuid($($uuid:expr),+)] + interface $interface:ident ($vtbl:ident) {$( + $(#[$($attrs:tt)*])* fn $method:ident($($p:ident : $t:ty,)*) -> $rtr:ty, + )+}) => ( + RIDL!{@vtbl $interface $vtbl () $( + $(#[$($attrs)*])* fn $method($($p: $t,)*) -> $rtr, + )+} + #[repr(C)] + pub struct $interface { + pub lpVtbl: *const $vtbl, + } + impl $interface { + $(RIDL!{@method $(#[$($attrs)*])* fn $method($($p: $t,)*) -> $rtr})+ + } + RIDL!{@uuid $interface $($uuid),+} + ); + (#[uuid($($uuid:expr),+)] + interface $interface:ident ($vtbl:ident) : $pinterface:ident ($pvtbl:ident) {}) => ( + RIDL!{@vtbl $interface $vtbl (pub parent: $pvtbl,)} + #[repr(C)] + pub struct $interface { + pub lpVtbl: *const $vtbl, + } + RIDL!{@deref $interface $pinterface} + RIDL!{@uuid $interface $($uuid),+} + ); + (#[uuid($($uuid:expr),+)] + interface $interface:ident ($vtbl:ident) : $pinterface:ident ($pvtbl:ident) {$( + $(#[$($attrs:tt)*])* fn $method:ident($($p:ident : $t:ty,)*) -> $rtr:ty, + )+}) => ( + RIDL!{@vtbl $interface $vtbl (pub parent: $pvtbl,) $( + $(#[$($attrs)*])* fn $method($($p: $t,)*) -> $rtr, + )+} + #[repr(C)] + pub struct $interface { + pub lpVtbl: *const $vtbl, + } + impl $interface { + $(RIDL!{@method $(#[$($attrs)*])* fn $method($($p: $t,)*) -> $rtr})+ + } + RIDL!{@deref $interface $pinterface} + RIDL!{@uuid $interface $($uuid),+} + ); + (@deref $interface:ident $pinterface:ident) => ( + impl $crate::_core::ops::Deref for $interface { + type Target = $pinterface; + #[inline] + fn deref(&self) -> &$pinterface { + unsafe { &*(self as *const $interface as *const $pinterface) } + } + } + ); + (@method fn $method:ident($($p:ident : $t:ty,)*) -> $rtr:ty) => ( + #[inline] pub unsafe fn $method(&self, $($p: $t,)*) -> $rtr { + ((*self.lpVtbl).$method)(self as *const _ as *mut _, $($p,)*) + } + ); + (@method #[fixme] fn $method:ident($($p:ident : $t:ty,)*) -> $rtr:ty) => ( + #[inline] pub unsafe fn $method(&self, $($p: $t,)*) -> $rtr { + let mut ret = $crate::_core::mem::uninitialized(); + ((*self.lpVtbl).$method)(self as *const _ as *mut _, &mut ret, $($p,)*); + ret + } + ); + (@vtbl $interface:ident $vtbl:ident ($($fields:tt)*) + $(fn $method:ident($($p:ident : $t:ty,)*) -> $rtr:ty,)* + ) => ( + RIDL!{@item #[repr(C)] + pub struct $vtbl { + $($fields)* + $(pub $method: unsafe extern "system" fn( + This: *mut $interface, + $($p: $t,)* + ) -> $rtr,)* + }} + ); + (@vtbl $interface:ident $vtbl:ident ($($fields:tt)*) + fn $method:ident($($p:ident : $t:ty,)*) -> $rtr:ty, + $($tail:tt)*) => ( + RIDL!{@vtbl $interface $vtbl ( + $($fields)* + pub $method: unsafe extern "system" fn( + This: *mut $interface, + $($p: $t,)* + ) -> $rtr, + ) $($tail)*} + ); + (@vtbl $interface:ident $vtbl:ident ($($fields:tt)*) + #[fixme] fn $method:ident($($p:ident : $t:ty,)*) -> $rtr:ty, + $($tail:tt)*) => ( + RIDL!{@vtbl $interface $vtbl ( + $($fields)* + pub $method: unsafe extern "system" fn( + This: *mut $interface, + ret: *mut $rtr, + $($p: $t,)* + ) -> *mut $rtr, + ) $($tail)*} + ); + (@uuid $interface:ident + $l:expr, $w1:expr, $w2:expr, + $b1:expr, $b2:expr, $b3:expr, $b4:expr, $b5:expr, $b6:expr, $b7:expr, $b8:expr + ) => ( + impl $crate::Interface for $interface { + #[inline] + fn uuidof() -> $crate::shared::guiddef::GUID { + $crate::shared::guiddef::GUID { + Data1: $l, + Data2: $w1, + Data3: $w2, + Data4: [$b1, $b2, $b3, $b4, $b5, $b6, $b7, $b8], + } + } + } + ); + (@item $thing:item) => ($thing); +} +macro_rules! UNION { + ($(#[$attrs:meta])* union $name:ident { + [$stype:ty; $ssize:expr], + $($variant:ident $variant_mut:ident: $ftype:ty,)+ + }) => ( + #[repr(C)] $(#[$attrs])* + pub struct $name([$stype; $ssize]); + impl Copy for $name {} + impl Clone for $name { + #[inline] + fn clone(&self) -> $name { *self } + } + #[cfg(feature = "impl-default")] + impl Default for $name { + #[inline] + fn default() -> $name { unsafe { $crate::_core::mem::zeroed() } } + } + impl $name {$( + #[inline] + pub unsafe fn $variant(&self) -> &$ftype { + &*(self as *const _ as *const $ftype) + } + #[inline] + pub unsafe fn $variant_mut(&mut self) -> &mut $ftype { + &mut *(self as *mut _ as *mut $ftype) + } + )+} + ); + ($(#[$attrs:meta])* union $name:ident { + [$stype32:ty; $ssize32:expr] [$stype64:ty; $ssize64:expr], + $($variant:ident $variant_mut:ident: $ftype:ty,)+ + }) => ( + #[repr(C)] $(#[$attrs])* #[cfg(target_pointer_width = "32")] + pub struct $name([$stype32; $ssize32]); + #[repr(C)] $(#[$attrs])* #[cfg(target_pointer_width = "64")] + pub struct $name([$stype64; $ssize64]); + impl Copy for $name {} + impl Clone for $name { + #[inline] + fn clone(&self) -> $name { *self } + } + #[cfg(feature = "impl-default")] + impl Default for $name { + #[inline] + fn default() -> $name { unsafe { $crate::_core::mem::zeroed() } } + } + impl $name {$( + #[inline] + pub unsafe fn $variant(&self) -> &$ftype { + &*(self as *const _ as *const $ftype) + } + #[inline] + pub unsafe fn $variant_mut(&mut self) -> &mut $ftype { + &mut *(self as *mut _ as *mut $ftype) + } + )+} + ); +} +macro_rules! BITFIELD { + ($base:ident $field:ident: $fieldtype:ty [ + $($thing:ident $set_thing:ident[$r:expr],)+ + ]) => { + impl $base {$( + #[inline] + pub fn $thing(&self) -> $fieldtype { + let size = $crate::core::mem::size_of::<$fieldtype>() * 8; + self.$field << (size - $r.end) >> (size - $r.end + $r.start) + } + #[inline] + pub fn $set_thing(&mut self, val: $fieldtype) { + let mask = ((1 << ($r.end - $r.start)) - 1) << $r.start; + self.$field &= !mask; + self.$field |= (val << $r.start) & mask; + } + )+} + } +} +#[macro_export] +macro_rules! ENUM { + {enum $name:ident { $($variant:ident = $value:expr,)+ }} => { + pub type $name = u32; + $(pub const $variant: $name = $value;)+ + }; + {enum $name:ident { $variant:ident = $value:expr, $($rest:tt)* }} => { + pub type $name = u32; + pub const $variant: $name = $value; + ENUM!{@gen $name $variant, $($rest)*} + }; + {enum $name:ident { $variant:ident, $($rest:tt)* }} => { + ENUM!{enum $name { $variant = 0, $($rest)* }} + }; + {@gen $name:ident $base:ident,} => {}; + {@gen $name:ident $base:ident, $variant:ident = $value:expr, $($rest:tt)*} => { + pub const $variant: $name = $value; + ENUM!{@gen $name $variant, $($rest)*} + }; + {@gen $name:ident $base:ident, $variant:ident, $($rest:tt)*} => { + pub const $variant: $name = $base + 1u32; + ENUM!{@gen $name $variant, $($rest)*} + }; +} +#[macro_export] +macro_rules! STRUCT { + (#[debug] $($rest:tt)*) => ( + STRUCT!{#[cfg_attr(feature = "impl-debug", derive(Debug))] $($rest)*} + ); + ($(#[$attrs:meta])* struct $name:ident { + $($field:ident: $ftype:ty,)+ + }) => ( + #[repr(C)] #[derive(Copy)] $(#[$attrs])* + pub struct $name { + $(pub $field: $ftype,)+ + } + impl Clone for $name { + #[inline] + fn clone(&self) -> $name { *self } + } + #[cfg(feature = "impl-default")] + impl Default for $name { + #[inline] + fn default() -> $name { unsafe { $crate::_core::mem::zeroed() } } + } + ); +} +macro_rules! IFDEF { + ($($thing:item)*) => ($($thing)*) +} +macro_rules! FN { + (stdcall $func:ident($($t:ty,)*) -> $ret:ty) => ( + pub type $func = Option<unsafe extern "system" fn($($t,)*) -> $ret>; + ); + (stdcall $func:ident($($p:ident: $t:ty,)*) -> $ret:ty) => ( + pub type $func = Option<unsafe extern "system" fn($($p: $t,)*) -> $ret>; + ); + (cdecl $func:ident($($t:ty,)*) -> $ret:ty) => ( + pub type $func = Option<unsafe extern "C" fn($($t,)*) -> $ret>; + ); + (cdecl $func:ident($($p:ident: $t:ty,)*) -> $ret:ty) => ( + pub type $func = Option<unsafe extern "C" fn($($p: $t,)*) -> $ret>; + ); +} +macro_rules! _WSAIO { + ($x:expr, $y:expr) => { + $crate::shared::ws2def::IOC_VOID | $x | $y + } +} +macro_rules! _WSAIOR { + ($x:expr, $y:expr) => { + $crate::shared::ws2def::IOC_OUT | $x | $y + } +} +macro_rules! _WSAIOW { + ($x:expr, $y:expr) => { + $crate::shared::ws2def::IOC_IN | $x | $y + } +} +macro_rules! _WSAIORW { + ($x:expr, $y:expr) => { + $crate::shared::ws2def::IOC_INOUT | $x | $y + } +} |