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-rw-r--r--crates/ide/src/references/rename.rs54
1 files changed, 47 insertions, 7 deletions
diff --git a/crates/ide/src/references/rename.rs b/crates/ide/src/references/rename.rs
index bb68bcc78..1e378279d 100644
--- a/crates/ide/src/references/rename.rs
+++ b/crates/ide/src/references/rename.rs
@@ -21,7 +21,7 @@ use crate::{display::TryToNav, FilePosition, FileSystemEdit, RangeInfo, SourceCh
21 21
22type RenameResult<T> = Result<T, RenameError>; 22type RenameResult<T> = Result<T, RenameError>;
23#[derive(Debug)] 23#[derive(Debug)]
24pub struct RenameError(pub(crate) String); 24pub struct RenameError(String);
25 25
26impl fmt::Display for RenameError { 26impl fmt::Display for RenameError {
27 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { 27 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
@@ -47,16 +47,15 @@ pub(crate) fn prepare_rename(
47 let sema = Semantics::new(db); 47 let sema = Semantics::new(db);
48 let source_file = sema.parse(position.file_id); 48 let source_file = sema.parse(position.file_id);
49 let syntax = source_file.syntax(); 49 let syntax = source_file.syntax();
50 let range = match &sema 50 let name_like = sema
51 .find_node_at_offset_with_descend(&syntax, position.offset) 51 .find_node_at_offset_with_descend(&syntax, position.offset)
52 .ok_or_else(|| format_err!("No references found at position"))? 52 .ok_or_else(|| format_err!("No references found at position"))?;
53 { 53 let node = match &name_like {
54 ast::NameLike::Name(it) => it.syntax(), 54 ast::NameLike::Name(it) => it.syntax(),
55 ast::NameLike::NameRef(it) => it.syntax(), 55 ast::NameLike::NameRef(it) => it.syntax(),
56 ast::NameLike::Lifetime(it) => it.syntax(), 56 ast::NameLike::Lifetime(it) => it.syntax(),
57 } 57 };
58 .text_range(); 58 Ok(RangeInfo::new(sema.original_range(node).range, ()))
59 Ok(RangeInfo::new(range, ()))
60} 59}
61 60
62// Feature: Rename 61// Feature: Rename
@@ -546,6 +545,8 @@ mod tests {
546 545
547 use crate::{fixture, FileId}; 546 use crate::{fixture, FileId};
548 547
548 use super::{RangeInfo, RenameError};
549
549 fn check(new_name: &str, ra_fixture_before: &str, ra_fixture_after: &str) { 550 fn check(new_name: &str, ra_fixture_before: &str, ra_fixture_after: &str) {
550 let ra_fixture_after = &trim_indent(ra_fixture_after); 551 let ra_fixture_after = &trim_indent(ra_fixture_after);
551 let (analysis, position) = fixture::position(ra_fixture_before); 552 let (analysis, position) = fixture::position(ra_fixture_before);
@@ -591,6 +592,45 @@ mod tests {
591 expect.assert_debug_eq(&source_change) 592 expect.assert_debug_eq(&source_change)
592 } 593 }
593 594
595 fn check_prepare(ra_fixture: &str, expect: Expect) {
596 let (analysis, position) = fixture::position(ra_fixture);
597 let result = analysis
598 .prepare_rename(position)
599 .unwrap_or_else(|err| panic!("PrepareRename was cancelled: {}", err));
600 match result {
601 Ok(RangeInfo { range, info: () }) => {
602 let source = analysis.file_text(position.file_id).unwrap();
603 expect.assert_eq(&format!("{:?}: {}", range, &source[range]))
604 }
605 Err(RenameError(err)) => expect.assert_eq(&err),
606 };
607 }
608
609 #[test]
610 fn test_prepare_rename_namelikes() {
611 check_prepare(r"fn name$0<'lifetime>() {}", expect![[r#"3..7: name"#]]);
612 check_prepare(r"fn name<'lifetime$0>() {}", expect![[r#"8..17: 'lifetime"#]]);
613 check_prepare(r"fn name<'lifetime>() { name$0(); }", expect![[r#"23..27: name"#]]);
614 }
615
616 #[test]
617 fn test_prepare_rename_in_macro() {
618 check_prepare(
619 r"macro_rules! foo {
620 ($ident:ident) => {
621 pub struct $ident;
622 }
623}
624foo!(Foo$0);",
625 expect![[r#"83..86: Foo"#]],
626 );
627 }
628
629 #[test]
630 fn test_prepare_rename_keyword() {
631 check_prepare(r"struct$0 Foo;", expect![[r#"No references found at position"#]]);
632 }
633
594 #[test] 634 #[test]
595 fn test_rename_to_underscore() { 635 fn test_rename_to_underscore() {
596 check("_", r#"fn main() { let i$0 = 1; }"#, r#"fn main() { let _ = 1; }"#); 636 check("_", r#"fn main() { let i$0 = 1; }"#, r#"fn main() { let _ = 1; }"#);