rust/tests/target/macro_rules.rs
2018-08-31 10:49:39 +09:00

361 lines
8.1 KiB
Rust

// rustfmt-format_macro_matchers: true
macro_rules! m {
() => {};
($x:ident) => {};
($m1:ident, $m2:ident, $x:ident) => {};
($($beginning:ident),*; $middle:ident; $($end:ident),*) => {};
(
$($beginning:ident),*;
$middle:ident;
$($end:ident),*;
$($beginning:ident),*;
$middle:ident;
$($end:ident),*
) => {};
($name:ident($($dol:tt $var:ident)*) $($body:tt)*) => {};
(
$($i:ident : $ty:ty, $def:expr, $stb:expr, $($dstring:tt),+);+ $(;)*
$($i:ident : $ty:ty, $def:expr, $stb:expr, $($dstring:tt),+);+ $(;)*
) => {};
($foo:tt foo[$attr:meta] $name:ident) => {};
($foo:tt[$attr:meta] $name:ident) => {};
($foo:tt &'a[$attr:meta] $name:ident) => {};
($foo:tt foo #[$attr:meta] $name:ident) => {};
($foo:tt #[$attr:meta] $name:ident) => {};
($foo:tt &'a #[$attr:meta] $name:ident) => {};
($x:tt foo bar foo bar foo bar $y:tt => x * y * z $z:tt, $($a:tt),*) => {};
}
macro_rules! impl_a_method {
($n:ident($a:ident : $ta:ty) -> $ret:ty { $body:expr }) => {
fn $n($a: $ta) -> $ret {
$body
}
macro_rules! $n {
($va: expr) => {
$n($va)
};
}
};
($n:ident($a:ident : $ta:ty, $b:ident : $tb:ty) -> $ret:ty { $body:expr }) => {
fn $n($a: $ta, $b: $tb) -> $ret {
$body
}
macro_rules! $n {
($va: expr,$vb: expr) => {
$n($va, $vb)
};
}
};
(
$n:ident($a:ident : $ta:ty, $b:ident : $tb:ty, $c:ident : $tc:ty) -> $ret:ty { $body:expr }
) => {
fn $n($a: $ta, $b: $tb, $c: $tc) -> $ret {
$body
}
macro_rules! $n {
($va: expr,$vb: expr,$vc: expr) => {
$n($va, $vb, $vc)
};
}
};
(
$n:ident($a:ident : $ta:ty, $b:ident : $tb:ty, $c:ident : $tc:ty, $d:ident : $td:ty) ->
$ret:ty { $body:expr }
) => {
fn $n($a: $ta, $b: $tb, $c: $tc, $d: $td) -> $ret {
$body
}
macro_rules! $n {
($va: expr,$vb: expr,$vc: expr,$vd: expr) => {
$n($va, $vb, $vc, $vd)
};
}
};
}
macro_rules! m {
// a
($expr:expr, $($func:ident)*) => {{
let x = $expr;
$func(x)
}};
/* b */
() => {
/* c */
};
(@tag) => {};
// d
($item:ident) => {
mod macro_item {
struct $item;
}
};
}
macro m2 {
// a
($expr:expr, $($func:ident)*) => {{
let x = $expr;
$func(x)
}}
/* b */
() => {
/* c */
}
(@tag) => {}
// d
($item:ident) => {
mod macro_item {
struct $item;
}
}
}
// #2438, #2476
macro_rules! m {
() => {
fn foo() {
this_line_is_98_characters_long_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx();
}
};
}
macro_rules! m {
() => {
fn foo() {
this_line_is_99_characters_long_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx(
);
}
};
}
macro_rules! m {
() => {
fn foo() {
this_line_is_100_characters_long_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx(
);
}
};
}
macro_rules! m {
() => {
fn foo() {
this_line_is_101_characters_long_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx(
);
}
};
}
// #2439
macro_rules! m {
(
$line0_xxxxxxxxxxxxxxxxx:expr,
$line1_xxxxxxxxxxxxxxxxx:expr,
$line2_xxxxxxxxxxxxxxxxx:expr,
$line3_xxxxxxxxxxxxxxxxx:expr,
) => {};
}
// #2466
// Skip formatting `macro_rules!` that are not using `{}`.
macro_rules! m (
() => ()
);
macro_rules! m [
() => ()
];
// #2470
macro foo($type_name:ident, $docs:expr) {
#[allow(non_camel_case_types)]
#[doc=$docs]
#[derive(Debug, Clone, Copy)]
pub struct $type_name;
}
// #2534
macro_rules! foo {
($a:ident : $b:ty) => {};
($a:ident $b:ident $c:ident) => {};
}
// #2538
macro_rules! add_message_to_notes {
($msg:expr) => {{
let mut lines = message.lines();
notes.push_str(&format!("\n{}: {}", level, lines.next().unwrap()));
for line in lines {
notes.push_str(&format!(
"\n{:indent$}{line}",
"",
indent = level.len() + 2,
line = line,
));
}
}};
}
// #2560
macro_rules! binary {
($_self:ident, $expr:expr, $lhs:expr, $func:ident) => {
while $_self.matched($expr) {
let op = $_self.get_binary_op()?;
let rhs = Box::new($_self.$func()?);
$lhs = Spanned {
span: $lhs.get_span().to(rhs.get_span()),
value: Expression::Binary {
lhs: Box::new($lhs),
op,
rhs,
},
}
}
};
}
// #2558
macro_rules! m {
($x:) => {};
($($foo:expr)()?) => {};
}
// #2749
macro_rules! foo {
($(x)* {}) => {};
($(x)*()) => {};
($(x)*[]) => {};
}
macro_rules! __wundergraph_expand_sqlite_mutation {
(
$mutation_name:ident $((context = $($context:tt)*))* {
$(
$entity_name:ident(
$(insert = $insert:ident,)*
$(update = $update:ident,)*
$(delete = $($delete:tt)+)*
),
)*
}
) => {};
}
// #2607
macro_rules! bench {
($ty:ident) => {
criterion_group!(
name = benches;
config = ::common_bench::reduced_samples();
targets = call, map;
);
};
}
// #2770
macro_rules! save_regs {
() => {
asm!("push rax
push rcx
push rdx
push rsi
push rdi
push r8
push r9
push r10
push r11"
:::: "intel", "volatile");
};
}
// #2721
macro_rules! impl_as_byte_slice_arrays {
($n:expr,) => {};
($n:expr, $N:ident, $($NN:ident,)*) => {
impl_as_byte_slice_arrays!($n - 1, $($NN,)*);
impl<T> AsByteSliceMut for [T; $n] where [T]: AsByteSliceMut {
fn as_byte_slice_mut(&mut self) -> &mut [u8] {
self[..].as_byte_slice_mut()
}
fn to_le(&mut self) {
self[..].to_le()
}
}
};
(!div $n:expr,) => {};
(!div $n:expr, $N:ident, $($NN:ident,)*) => {
impl_as_byte_slice_arrays!(!div $n / 2, $($NN,)*);
impl<T> AsByteSliceMut for [T; $n] where [T]: AsByteSliceMut {
fn as_byte_slice_mut(&mut self) -> &mut [u8] {
self[..].as_byte_slice_mut()
}
fn to_le(&mut self) {
self[..].to_le()
}
}
};
}
// #2919
fn foo() {
{
macro_rules! touch_value {
($func:ident, $value:expr) => {{
let result = API::get_cached().$func(
self,
key.as_ptr(),
$value,
ffi::VSPropAppendMode::paTouch,
);
let result = API::get_cached().$func(self, key.as_ptr(), $value, ffi::VSPropAppend);
let result =
API::get_cached().$func(self, key.as_ptr(), $value, ffi::VSPropAppendM);
let result =
APIIIIIIIII::get_cached().$func(self, key.as_ptr(), $value, ffi::VSPropAppendM);
let result = API::get_cached().$func(
self,
key.as_ptr(),
$value,
ffi::VSPropAppendMMMMMMMMMM,
);
debug_assert!(result == 0);
}};
}
}
}
// #2642
macro_rules! template {
($name:expr) => {
format_args!(
r##"
"http://example.com"
# test
"##,
$name
)
};
}
macro_rules! template {
() => {
format_args!(
r"
//
"
)
};
}