bjoernager/rust
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added byte position range for proc_macro::Span

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This commit is contained in:
Michael van Straten 2023-03-10 21:16:35 +01:00
parent 35a0961bbc
commit b8c6d2211e
3 changed files with 19 additions and 2 deletions
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6
compiler/rustc_expand/src/proc_macro_server.rs
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@ -18,7 +18,7 @@ use rustc_span::def_id::CrateNum;
use rustc_span::symbol::{self, sym, Symbol};
use rustc_span::{BytePos, FileName, Pos, SourceFile, Span};
use smallvec::{smallvec, SmallVec};
use std::ops::Bound;
use std::ops::{Bound, Range};
trait FromInternal<T> {
fn from_internal(x: T) -> Self;
@ -634,6 +634,10 @@ impl server::Span for Rustc<'_, '_> {
span.source_callsite()
}
fn position(&mut self, span: Self::Span) -> Range<u32> {
Range { start: span.lo().0, end: span.lo().0 }
}
fn start(&mut self, span: Self::Span) -> LineColumn {
let loc = self.sess().source_map().lookup_char_pos(span.lo());
LineColumn { line: loc.line, column: loc.col.to_usize() }