diff options
| -rw-r--r-- | compiler/rustc_interface/src/passes.rs | 22 | ||||
| -rw-r--r-- | tests/ui/stats/macro-stats.rs | 9 | ||||
| -rw-r--r-- | tests/ui/stats/macro-stats.stderr | 3 |
3 files changed, 25 insertions, 9 deletions
diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index edfb05e2ccd..b4bd2f2ca24 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -341,20 +341,30 @@ fn print_macro_stats(ecx: &ExtCtxt<'_>) { } for (bytes, lines, uses, name, kind) in macro_stats { let mut name = ExpnKind::Macro(kind, *name).descr(); + let uses_with_underscores = thousands::usize_with_underscores(uses); let avg_lines = lines as f64 / uses as f64; let avg_bytes = bytes as f64 / uses as f64; - if name.len() >= name_w { - // If the name is long, print it on a line by itself, then - // set the name to empty and print things normally, to show the - // stats on the next line. + + // Ensure the "Macro Name" and "Uses" columns are as compact as possible. + let mut uses_w = uses_w; + if name.len() + uses_with_underscores.len() >= name_w + uses_w { + // The name would abut or overlap the uses value. Print the name + // on a line by itself, then set the name to empty and print things + // normally, to show the stats on the next line. _ = writeln!(s, "{prefix} {:<name_w$}", name); name = String::new(); - } + } else if name.len() >= name_w { + // The name won't abut or overlap with the uses value, but it does + // overlap with the empty part of the uses column. Shrink the width + // of the uses column to account for the excess name length. + uses_w = uses_with_underscores.len() + 1 + }; + _ = writeln!( s, "{prefix} {:<name_w$}{:>uses_w$}{:>lines_w$}{:>avg_lines_w$}{:>bytes_w$}{:>avg_bytes_w$}", name, - thousands::usize_with_underscores(uses), + uses_with_underscores, thousands::usize_with_underscores(lines), thousands::f64p1_with_underscores(avg_lines), thousands::usize_with_underscores(bytes), diff --git a/tests/ui/stats/macro-stats.rs b/tests/ui/stats/macro-stats.rs index ee265d682fd..d986904ddd6 100644 --- a/tests/ui/stats/macro-stats.rs +++ b/tests/ui/stats/macro-stats.rs @@ -49,12 +49,17 @@ fn opt(x: Option<u32>) { } } -macro_rules! this_is_a_really_really_long_macro_name { +macro_rules! long_name_that_fits_on_a_single_line { + () => {} +} +long_name_that_fits_on_a_single_line!(); + +macro_rules! long_name_that_doesnt_fit_on_one_line { ($t:ty) => { fn f(_: $t) {} } } -this_is_a_really_really_long_macro_name!(u32!()); // AstFragmentKind::{Items,Ty} +long_name_that_doesnt_fit_on_one_line!(u32!()); // AstFragmentKind::{Items,Ty} macro_rules! trait_tys { () => { diff --git a/tests/ui/stats/macro-stats.stderr b/tests/ui/stats/macro-stats.stderr index 00c6b55c6a2..8d0fdb8958a 100644 --- a/tests/ui/stats/macro-stats.stderr +++ b/tests/ui/stats/macro-stats.stderr @@ -15,12 +15,13 @@ macro-stats #[derive(Copy)] 1 2 2.0 macro-stats p! 1 3 3.0 32 32.0 macro-stats trait_impl_tys! 1 2 2.0 28 28.0 macro-stats foreign_item! 1 1 1.0 21 21.0 -macro-stats this_is_a_really_really_long_macro_name! +macro-stats long_name_that_doesnt_fit_on_one_line! macro-stats 1 1 1.0 18 18.0 macro-stats impl_const! 1 1 1.0 17 17.0 macro-stats trait_tys! 1 2 2.0 15 15.0 macro-stats n99! 2 2 1.0 4 2.0 macro-stats none! 1 1 1.0 4 4.0 macro-stats u32! 1 1 1.0 3 3.0 +macro-stats long_name_that_fits_on_a_single_line! 1 1 1.0 0 0.0 macro-stats #[test] 1 1 1.0 0 0.0 macro-stats =================================================================================== |