bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-expand/src/lib.rs')
-rw-r--r--crates/hir-expand/src/lib.rs12
1 files changed, 11 insertions, 1 deletions
diff --git a/crates/hir-expand/src/lib.rs b/crates/hir-expand/src/lib.rs
index c92e41f507..047996c978 100644
--- a/crates/hir-expand/src/lib.rs
+++ b/crates/hir-expand/src/lib.rs
@@ -37,7 +37,9 @@ use std::{hash::Hash, ops};
use base_db::Crate;
use either::Either;
-use span::{Edition, ErasedFileAstId, FileAstId, Span, SyntaxContext};
+use span::{
+ Edition, ErasedFileAstId, FileAstId, NO_DOWNMAP_ERASED_FILE_AST_ID_MARKER, Span, SyntaxContext,
+};
use syntax::{
SyntaxNode, SyntaxToken, TextRange, TextSize,
ast::{self, AstNode},
@@ -854,6 +856,10 @@ impl ExpansionInfo {
&self,
span: Span,
) -> Option<InMacroFile<impl Iterator<Item = (SyntaxToken, SyntaxContext)> + '_>> {
+ if span.anchor.ast_id == NO_DOWNMAP_ERASED_FILE_AST_ID_MARKER {
+ return None;
+ }
+
let tokens = self.exp_map.ranges_with_span_exact(span).flat_map(move |(range, ctx)| {
self.expanded.value.covering_element(range).into_token().zip(Some(ctx))
});
@@ -869,6 +875,10 @@ impl ExpansionInfo {
&self,
span: Span,
) -> Option<InMacroFile<impl Iterator<Item = (SyntaxToken, SyntaxContext)> + '_>> {
+ if span.anchor.ast_id == NO_DOWNMAP_ERASED_FILE_AST_ID_MARKER {
+ return None;
+ }
+
let tokens = self.exp_map.ranges_with_span(span).flat_map(move |(range, ctx)| {
self.expanded.value.covering_element(range).into_token().zip(Some(ctx))
});