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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

@ -10,7 +10,7 @@ use rustc_ast::{self as ast, AstLike, Attribute, Item, NodeId, PatKind};
use rustc_attr::{self as attr, Deprecation, Stability};
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::sync::{self, Lrc};
use rustc_errors::{Applicability, DiagnosticBuilder, ErrorGuaranteed};
use rustc_errors::{Applicability, DiagnosticBuilder, ErrorGuaranteed, MultiSpan};
use rustc_lint_defs::builtin::PROC_MACRO_BACK_COMPAT;
use rustc_lint_defs::BuiltinLintDiagnostics;
use rustc_parse::{self, nt_to_tokenstream, parser, MACRO_ARGUMENTS};
@ -20,7 +20,7 @@ use rustc_span::edition::Edition;
use rustc_span::hygiene::{AstPass, ExpnData, ExpnKind, LocalExpnId};
use rustc_span::source_map::SourceMap;
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::{MultiSpan, Span, DUMMY_SP};
use rustc_span::{Span, DUMMY_SP};
use smallvec::{smallvec, SmallVec};
use std::default::Default;