span: move MultiSpan

`MultiSpan` contains labels, which are more complicated with the
introduction of diagnostic translation and will use types from
`rustc_errors` - however, `rustc_errors` depends on `rustc_span` so
`rustc_span` cannot use types like `DiagnosticMessage` without
dependency cycles. Introduce a new `rustc_error_messages` crate that can
contain `DiagnosticMessage` and `MultiSpan`.

Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2022-03-24 02:03:04 +00:00
parent 8c684563a5
commit c45f29595d
66 changed files with 354 additions and 293 deletions

View file

@ -33,10 +33,10 @@ use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::sync::Lrc;
use rustc_errors::PResult;
use rustc_errors::{
struct_span_err, Applicability, DiagnosticBuilder, ErrorGuaranteed, FatalError,
struct_span_err, Applicability, DiagnosticBuilder, ErrorGuaranteed, FatalError, MultiSpan,
};
use rustc_session::parse::ParseSess;
use rustc_span::source_map::{MultiSpan, Span, DUMMY_SP};
use rustc_span::source_map::{Span, DUMMY_SP};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use tracing::debug;