25a6fd3213
With a long macro name that could fit on one line, but currently isn't formatted that way, because the name would overlap with the maximum width of the "Uses" column. (The next commit will fix this.)
136 lines
2.8 KiB
Rust
136 lines
2.8 KiB
Rust
//@ check-pass
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//@ compile-flags: -Zmacro-stats
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#[test]
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fn test_foo() {
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let what = "this";
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let how = "completely";
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let when = "immediately";
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println!("{what} disappears {how} and {when}");
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}
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#[rustfmt::skip] // non-macro attr, ignored by `-Zmacro-stats`
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fn rustfmt_skip() {
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// Nothing to see here.
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}
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#[derive(Default, Clone, Copy, Hash)]
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enum E1 {
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#[default] // non-macro attr, ignored by `-Zmacro-stats`
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A,
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B,
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}
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#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
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struct E2 {
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a: u32,
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b: String,
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c: Vec<bool>,
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}
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#[derive(Clone)] struct S0;
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#[derive(Clone)] struct S1(u32);
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#[derive(Clone)] struct S2(u32, u32);
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#[derive(Clone)] struct S3(u32, u32, u32);
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#[derive(Clone)] struct S4(u32, u32, u32, u32);
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#[derive(Clone)] struct S5(u32, u32, u32, u32, u32);
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macro_rules! u32 {
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() => { u32 }
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}
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macro_rules! none {
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() => { None }
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}
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fn opt(x: Option<u32>) {
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match x {
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Some(_) => {}
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none!() => {} // AstFragmentKind::Pat
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}
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}
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macro_rules! long_name_that_fits_on_a_single_line {
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() => {}
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}
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long_name_that_fits_on_a_single_line!();
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macro_rules! long_name_that_doesnt_fit_on_one_line {
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($t:ty) => {
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fn f(_: $t) {}
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}
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}
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long_name_that_doesnt_fit_on_one_line!(u32!()); // AstFragmentKind::{Items,Ty}
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macro_rules! trait_tys {
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() => {
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type A;
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type B;
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}
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}
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trait Tr {
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trait_tys!(); // AstFragmentKind::TraitItems
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}
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macro_rules! impl_const { () => { const X: u32 = 0; } }
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struct U;
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impl U {
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impl_const!(); // AstFragmentKind::ImplItems
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}
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macro_rules! trait_impl_tys {
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() => {
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type A = u32;
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type B = bool;
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}
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}
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struct Tr1;
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impl Tr for Tr1 {
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trait_impl_tys!(); // AstFragment::TraitImplItems
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}
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macro_rules! foreign_item {
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() => { fn fc(a: u32) -> u32; }
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}
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extern "C" {
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foreign_item!(); // AstFragment::ForeignItems
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}
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// Include macros are ignored by `-Zmacro-stats`.
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mod includes {
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mod z1 {
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include!("auxiliary/include.rs");
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}
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mod z2 {
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std::include!("auxiliary/include.rs");
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}
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const B1: &[u8] = include_bytes!("auxiliary/include.rs");
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const B2: &[u8] = std::include_bytes!("auxiliary/include.rs");
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const S1: &str = include_str!("auxiliary/include.rs");
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const S2: &str = std::include_str!("auxiliary/include.rs");
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}
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fn main() {
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macro_rules! n99 {
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() => { 99 }
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}
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let x = n99!() + n99!(); // AstFragmentKind::Expr
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macro_rules! p {
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() => {
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// blah
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let x = 1;
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let y = x;
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let _ = y;
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}
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}
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p!(); // AstFragmentKind::Stmts
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macro_rules! q {
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() => {};
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($($x:ident),*) => { $( let $x: u32 = 12345; )* };
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}
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q!(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z);
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}
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