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