language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-09-27 20:42:04 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Impl fmt::Display for Span

Browse source
This commit is contained in:
Lukas Wirth 2024-01-16 10:46:09 +01:00
parent 87e609aa9c
commit 659d4f91e4
4 changed files with 31 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

17
crates/span/src/lib.rs
View file

@ -2,7 +2,7 @@
// FIXME: This should be moved into its own crate to get rid of the dependency inversion, base-db
// has business depending on tt, tt should depend on a span crate only (which unforunately will have
// to depend on salsa)
use std::fmt;
use std::fmt::{self, Write};
use salsa::InternId;
@ -37,6 +37,8 @@ pub const FIXUP_ERASED_FILE_AST_ID_MARKER: ErasedFileAstId =
// is required to be stable for the proc-macro-server
la_arena::Idx::from_raw(la_arena::RawIdx::from_u32(!0 - 1));
pub type Span = SpanData<SyntaxContextId>;
#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
pub struct SpanData<Ctx> {
/// The text range of this span, relative to the anchor.
@ -47,6 +49,7 @@ pub struct SpanData<Ctx> {
/// The syntax context of the span.
pub ctx: Ctx,
}
impl Span {
#[deprecated = "dummy spans will panic if surfaced incorrectly, as such they should be replaced appropriately"]
pub const DUMMY: Self = SpanData {
@ -56,7 +59,17 @@ impl Span {
};
}
pub type Span = SpanData<SyntaxContextId>;
impl fmt::Display for Span {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(&self.anchor.file_id.index(), f)?;
f.write_char(':')?;
fmt::Debug::fmt(&self.anchor.ast_id.into_raw(), f)?;
f.write_char('@')?;
fmt::Debug::fmt(&self.range, f)?;
f.write_char('#')?;
self.ctx.fmt(f)
}
}
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct SyntaxContextId(InternId);