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| author | Dylan DPC <dylan.dpc@gmail.com> | 2020-02-28 01:55:42 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-02-28 01:55:42 +0100 |
| commit | ffe4af57118bfb5063fc8015a1feddc76a607dbf (patch) | |
| tree | 38503f991333264cbfe347ee7767a04f53c69d46 /src | |
| parent | ab45408a4c0a3ce065c3c11369e3d97220c97de6 (diff) | |
| parent | 6ce5ab6a7e566932ad1e3987ae7645eb0125dfe5 (diff) | |
| download | rust-ffe4af57118bfb5063fc8015a1feddc76a607dbf.tar.gz rust-ffe4af57118bfb5063fc8015a1feddc76a607dbf.zip | |
Rollup merge of #69491 - petrochenkov:symprint, r=Mark-Simulacrum
rustc_span: Add `Symbol::to_ident_string` for use in diagnostic messages Covers the same error reporting use case (https://github.com/rust-lang/rust/pull/69387#discussion_r382999205) as the `Display` impl for `Ident`. cc https://github.com/rust-lang/rust/issues/69053 Follow-up to https://github.com/rust-lang/rust/pull/69387. r? @Mark-Simulacrum
Diffstat (limited to 'src')
| -rw-r--r-- | src/librustc_span/symbol.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/librustc_span/symbol.rs b/src/librustc_span/symbol.rs index b8e5ea97f4e..d6232f32f4c 100644 --- a/src/librustc_span/symbol.rs +++ b/src/librustc_span/symbol.rs @@ -1023,6 +1023,14 @@ impl Symbol { pub fn as_u32(self) -> u32 { self.0.as_u32() } + + /// This method is supposed to be used in error messages, so it's expected to be + /// identical to printing the original identifier token written in source code + /// (`token_to_string`, `Ident::to_string`), except that symbols don't keep the rawness flag + /// or edition, so we have to guess the rawness using the global edition. + pub fn to_ident_string(self) -> String { + Ident::with_dummy_span(self).to_string() + } } impl fmt::Debug for Symbol { |