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| author | Esteban Küber <esteban@kuber.com.ar> | 2018-12-26 20:18:41 -0800 |
|---|---|---|
| committer | Esteban Küber <esteban@kuber.com.ar> | 2018-12-26 20:36:02 -0800 |
| commit | 5e952e34795360c3f0c6661d993585146a4bdd2b (patch) | |
| tree | d7155e38c2b8e8ebaf5e42e295472ea724a75e61 /src/libsyntax_ext | |
| parent | 5e75001c596991d63729b41769164197db6fc5c8 (diff) | |
| download | rust-5e952e34795360c3f0c6661d993585146a4bdd2b.tar.gz rust-5e952e34795360c3f0c6661d993585146a4bdd2b.zip | |
Add span label to unused string formatting argument
Fix #55350.
Diffstat (limited to 'src/libsyntax_ext')
| -rw-r--r-- | src/libsyntax_ext/format.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libsyntax_ext/format.rs b/src/libsyntax_ext/format.rs index 17e692d1d32..1d0cd9bd472 100644 --- a/src/libsyntax_ext/format.rs +++ b/src/libsyntax_ext/format.rs @@ -957,13 +957,18 @@ pub fn expand_preparsed_format_args(ecx: &mut ExtCtxt, let mut diag = { if errs_len == 1 { let (sp, msg) = errs.into_iter().next().unwrap(); - cx.ecx.struct_span_err(sp, msg) + let mut diag = cx.ecx.struct_span_err(sp, msg); + diag.span_label(sp, msg); + diag } else { let mut diag = cx.ecx.struct_span_err( errs.iter().map(|&(sp, _)| sp).collect::<Vec<Span>>(), "multiple unused formatting arguments", ); diag.span_label(cx.fmtsp, "multiple missing formatting specifiers"); + for (sp, msg) in errs { + diag.span_label(sp, msg); + } diag } }; |