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-rw-r--r--crates/ide/src/references/rename.rs160
1 files changed, 119 insertions, 41 deletions
diff --git a/crates/ide/src/references/rename.rs b/crates/ide/src/references/rename.rs
index 50cc1f963..e1ed6de35 100644
--- a/crates/ide/src/references/rename.rs
+++ b/crates/ide/src/references/rename.rs
@@ -5,9 +5,9 @@
5use std::fmt::{self, Display}; 5use std::fmt::{self, Display};
6 6
7use either::Either; 7use either::Either;
8use hir::{AsAssocItem, InFile, Module, ModuleDef, ModuleSource, Semantics}; 8use hir::{AsAssocItem, FieldSource, HasSource, InFile, ModuleSource, Semantics};
9use ide_db::{ 9use ide_db::{
10 base_db::{AnchoredPathBuf, FileId}, 10 base_db::{AnchoredPathBuf, FileId, FileRange},
11 defs::{Definition, NameClass, NameRefClass}, 11 defs::{Definition, NameClass, NameRefClass},
12 search::FileReference, 12 search::FileReference,
13 RootDatabase, 13 RootDatabase,
@@ -20,7 +20,7 @@ use syntax::{
20 20
21use text_edit::TextEdit; 21use text_edit::TextEdit;
22 22
23use crate::{display::TryToNav, FilePosition, FileSystemEdit, RangeInfo, SourceChange, TextRange}; 23use crate::{FilePosition, FileSystemEdit, RangeInfo, SourceChange, TextRange};
24 24
25type RenameResult<T> = Result<T, RenameError>; 25type RenameResult<T> = Result<T, RenameError>;
26#[derive(Debug)] 26#[derive(Debug)]
@@ -52,26 +52,9 @@ pub(crate) fn prepare_rename(
52 let syntax = source_file.syntax(); 52 let syntax = source_file.syntax();
53 53
54 let def = find_definition(&sema, syntax, position)?; 54 let def = find_definition(&sema, syntax, position)?;
55 match def { 55 let frange = def_name_range(&&sema, def)
56 Definition::SelfType(_) => bail!("Cannot rename `Self`"),
57 Definition::ModuleDef(ModuleDef::BuiltinType(_)) => bail!("Cannot rename builtin type"),
58 Definition::ModuleDef(ModuleDef::Module(_)) => (),
59 _ => {
60 let nav = def
61 .try_to_nav(sema.db)
62 .ok_or_else(|| format_err!("No references found at position"))?;
63 nav.focus_range.ok_or_else(|| format_err!("No identifier available to rename"))?;
64 }
65 };
66 let name_like = sema
67 .find_node_at_offset_with_descend(syntax, position.offset)
68 .ok_or_else(|| format_err!("No references found at position"))?; 56 .ok_or_else(|| format_err!("No references found at position"))?;
69 let node = match &name_like { 57 Ok(RangeInfo::new(frange.range, ()))
70 ast::NameLike::Name(it) => it.syntax(),
71 ast::NameLike::NameRef(it) => it.syntax(),
72 ast::NameLike::Lifetime(it) => it.syntax(),
73 };
74 Ok(RangeInfo::new(sema.original_range(node).range, ()))
75} 58}
76 59
77// Feature: Rename 60// Feature: Rename
@@ -104,9 +87,11 @@ pub(crate) fn rename_with_semantics(
104 87
105 let def = find_definition(sema, syntax, position)?; 88 let def = find_definition(sema, syntax, position)?;
106 match def { 89 match def {
107 Definition::ModuleDef(ModuleDef::Module(module)) => rename_mod(sema, module, new_name), 90 Definition::ModuleDef(hir::ModuleDef::Module(module)) => rename_mod(sema, module, new_name),
108 Definition::SelfType(_) => bail!("Cannot rename `Self`"), 91 Definition::SelfType(_) => bail!("Cannot rename `Self`"),
109 Definition::ModuleDef(ModuleDef::BuiltinType(_)) => bail!("Cannot rename builtin type"), 92 Definition::ModuleDef(hir::ModuleDef::BuiltinType(_)) => {
93 bail!("Cannot rename builtin type")
94 }
110 def => rename_reference(sema, def, new_name), 95 def => rename_reference(sema, def, new_name),
111 } 96 }
112} 97}
@@ -194,7 +179,7 @@ fn find_definition(
194 179
195fn rename_mod( 180fn rename_mod(
196 sema: &Semantics<RootDatabase>, 181 sema: &Semantics<RootDatabase>,
197 module: Module, 182 module: hir::Module,
198 new_name: &str, 183 new_name: &str,
199) -> RenameResult<SourceChange> { 184) -> RenameResult<SourceChange> {
200 if IdentifierKind::Ident != check_identifier(new_name)? { 185 if IdentifierKind::Ident != check_identifier(new_name)? {
@@ -227,7 +212,7 @@ fn rename_mod(
227 _ => never!("Module source node is missing a name"), 212 _ => never!("Module source node is missing a name"),
228 } 213 }
229 } 214 }
230 let def = Definition::ModuleDef(ModuleDef::Module(module)); 215 let def = Definition::ModuleDef(hir::ModuleDef::Module(module));
231 let usages = def.usages(sema).all(); 216 let usages = def.usages(sema).all();
232 let ref_edits = usages.iter().map(|(&file_id, references)| { 217 let ref_edits = usages.iter().map(|(&file_id, references)| {
233 (file_id, source_edit_from_references(references, def, new_name)) 218 (file_id, source_edit_from_references(references, def, new_name))
@@ -293,21 +278,21 @@ fn rename_reference(
293 .and_then(|it| it.containing_trait_impl(sema.db)) 278 .and_then(|it| it.containing_trait_impl(sema.db))
294 .and_then(|it| { 279 .and_then(|it| {
295 it.items(sema.db).into_iter().find_map(|it| match (it, mod_def) { 280 it.items(sema.db).into_iter().find_map(|it| match (it, mod_def) {
296 (hir::AssocItem::Function(trait_func), ModuleDef::Function(func)) 281 (hir::AssocItem::Function(trait_func), hir::ModuleDef::Function(func))
297 if trait_func.name(sema.db) == func.name(sema.db) => 282 if trait_func.name(sema.db) == func.name(sema.db) =>
298 { 283 {
299 Some(Definition::ModuleDef(ModuleDef::Function(trait_func))) 284 Some(Definition::ModuleDef(hir::ModuleDef::Function(trait_func)))
300 } 285 }
301 (hir::AssocItem::Const(trait_konst), ModuleDef::Const(konst)) 286 (hir::AssocItem::Const(trait_konst), hir::ModuleDef::Const(konst))
302 if trait_konst.name(sema.db) == konst.name(sema.db) => 287 if trait_konst.name(sema.db) == konst.name(sema.db) =>
303 { 288 {
304 Some(Definition::ModuleDef(ModuleDef::Const(trait_konst))) 289 Some(Definition::ModuleDef(hir::ModuleDef::Const(trait_konst)))
305 } 290 }
306 ( 291 (
307 hir::AssocItem::TypeAlias(trait_type_alias), 292 hir::AssocItem::TypeAlias(trait_type_alias),
308 ModuleDef::TypeAlias(type_alias), 293 hir::ModuleDef::TypeAlias(type_alias),
309 ) if trait_type_alias.name(sema.db) == type_alias.name(sema.db) => { 294 ) if trait_type_alias.name(sema.db) == type_alias.name(sema.db) => {
310 Some(Definition::ModuleDef(ModuleDef::TypeAlias(trait_type_alias))) 295 Some(Definition::ModuleDef(hir::ModuleDef::TypeAlias(trait_type_alias)))
311 } 296 }
312 _ => None, 297 _ => None,
313 }) 298 })
@@ -557,12 +542,11 @@ fn source_edit_from_def(
557 def: Definition, 542 def: Definition,
558 new_name: &str, 543 new_name: &str,
559) -> RenameResult<(FileId, TextEdit)> { 544) -> RenameResult<(FileId, TextEdit)> {
560 let nav = 545 let frange: FileRange = def_name_range(sema, def)
561 def.try_to_nav(sema.db).ok_or_else(|| format_err!("No references found at position"))?; 546 .ok_or_else(|| format_err!("No identifier available to rename"))?;
562 547
563 let mut replacement_text = String::new(); 548 let mut replacement_text = String::new();
564 let mut repl_range = 549 let mut repl_range = frange.range;
565 nav.focus_range.ok_or_else(|| format_err!("No identifier available to rename"))?;
566 if let Definition::Local(local) = def { 550 if let Definition::Local(local) = def {
567 if let Either::Left(pat) = local.source(sema.db).value { 551 if let Either::Left(pat) = local.source(sema.db).value {
568 if matches!( 552 if matches!(
@@ -582,7 +566,101 @@ fn source_edit_from_def(
582 replacement_text.push_str(new_name); 566 replacement_text.push_str(new_name);
583 } 567 }
584 let edit = TextEdit::replace(repl_range, replacement_text); 568 let edit = TextEdit::replace(repl_range, replacement_text);
585 Ok((nav.file_id, edit)) 569 Ok((frange.file_id, edit))
570}
571
572fn def_name_range(sema: &Semantics<RootDatabase>, def: Definition) -> Option<FileRange> {
573 // FIXME: the `original_file_range` calls here are wrong -- they never fail,
574 // and _fall back_ to the entirety of the macro call. Such fall back is
575 // incorrect for renames. The safe behavior would be to return an error for
576 // such cases. The correct behavior would be to return an auxiliary list of
577 // "can't rename these occurrences in macros" items, and then show some kind
578 // of a dialog to the user.
579
580 let res = match def {
581 Definition::Macro(mac) => {
582 let src = mac.source(sema.db)?;
583 let name = match &src.value {
584 Either::Left(it) => it.name()?,
585 Either::Right(it) => it.name()?,
586 };
587 src.with_value(name.syntax()).original_file_range(sema.db)
588 }
589 Definition::Field(field) => {
590 let src = field.source(sema.db)?;
591
592 match &src.value {
593 FieldSource::Named(record_field) => {
594 let name = record_field.name()?;
595 src.with_value(name.syntax()).original_file_range(sema.db)
596 }
597 FieldSource::Pos(_) => {
598 return None;
599 }
600 }
601 }
602 Definition::ModuleDef(module_def) => match module_def {
603 hir::ModuleDef::Module(module) => {
604 let src = module.declaration_source(sema.db)?;
605 let name = src.value.name()?;
606 src.with_value(name.syntax()).original_file_range(sema.db)
607 }
608 hir::ModuleDef::Function(it) => name_range(it, sema)?,
609 hir::ModuleDef::Adt(adt) => match adt {
610 hir::Adt::Struct(it) => name_range(it, sema)?,
611 hir::Adt::Union(it) => name_range(it, sema)?,
612 hir::Adt::Enum(it) => name_range(it, sema)?,
613 },
614 hir::ModuleDef::Variant(it) => name_range(it, sema)?,
615 hir::ModuleDef::Const(it) => name_range(it, sema)?,
616 hir::ModuleDef::Static(it) => name_range(it, sema)?,
617 hir::ModuleDef::Trait(it) => name_range(it, sema)?,
618 hir::ModuleDef::TypeAlias(it) => name_range(it, sema)?,
619 hir::ModuleDef::BuiltinType(_) => return None,
620 },
621 Definition::SelfType(_) => return None,
622 Definition::Local(local) => {
623 let src = local.source(sema.db);
624 let name = match &src.value {
625 Either::Left(bind_pat) => bind_pat.name()?,
626 Either::Right(_) => return None,
627 };
628 src.with_value(name.syntax()).original_file_range(sema.db)
629 }
630 Definition::GenericParam(generic_param) => match generic_param {
631 hir::GenericParam::TypeParam(type_param) => {
632 let src = type_param.source(sema.db)?;
633 let name = match &src.value {
634 Either::Left(_) => return None,
635 Either::Right(type_param) => type_param.name()?,
636 };
637 src.with_value(name.syntax()).original_file_range(sema.db)
638 }
639 hir::GenericParam::LifetimeParam(lifetime_param) => {
640 let src = lifetime_param.source(sema.db)?;
641 let lifetime = src.value.lifetime()?;
642 src.with_value(lifetime.syntax()).original_file_range(sema.db)
643 }
644 hir::GenericParam::ConstParam(it) => name_range(it, sema)?,
645 },
646 Definition::Label(label) => {
647 let src = label.source(sema.db);
648 let lifetime = src.value.lifetime()?;
649 src.with_value(lifetime.syntax()).original_file_range(sema.db)
650 }
651 };
652 return Some(res);
653
654 fn name_range<D>(def: D, sema: &Semantics<RootDatabase>) -> Option<FileRange>
655 where
656 D: HasSource,
657 D::Ast: ast::NameOwner,
658 {
659 let src = def.source(sema.db)?;
660 let name = src.value.name()?;
661 let res = src.with_value(name.syntax()).original_file_range(sema.db);
662 Some(res)
663 }
586} 664}
587 665
588#[cfg(test)] 666#[cfg(test)]
@@ -659,7 +737,7 @@ mod tests {
659 fn test_prepare_rename_namelikes() { 737 fn test_prepare_rename_namelikes() {
660 check_prepare(r"fn name$0<'lifetime>() {}", expect![[r#"3..7: name"#]]); 738 check_prepare(r"fn name$0<'lifetime>() {}", expect![[r#"3..7: name"#]]);
661 check_prepare(r"fn name<'lifetime$0>() {}", expect![[r#"8..17: 'lifetime"#]]); 739 check_prepare(r"fn name<'lifetime$0>() {}", expect![[r#"8..17: 'lifetime"#]]);
662 check_prepare(r"fn name<'lifetime>() { name$0(); }", expect![[r#"23..27: name"#]]); 740 check_prepare(r"fn name<'lifetime>() { name$0(); }", expect![[r#"3..7: name"#]]);
663 } 741 }
664 742
665 #[test] 743 #[test]
@@ -691,7 +769,7 @@ fn baz() {
691 x.0$0 = 5; 769 x.0$0 = 5;
692} 770}
693"#, 771"#,
694 expect![[r#"No identifier available to rename"#]], 772 expect![[r#"No references found at position"#]],
695 ); 773 );
696 } 774 }
697 775
@@ -703,7 +781,7 @@ fn foo() {
703 let x: i32$0 = 0; 781 let x: i32$0 = 0;
704} 782}
705"#, 783"#,
706 expect![[r#"Cannot rename builtin type"#]], 784 expect![[r#"No references found at position"#]],
707 ); 785 );
708 } 786 }
709 787
@@ -719,7 +797,7 @@ impl Foo {
719 } 797 }
720} 798}
721"#, 799"#,
722 expect![[r#"Cannot rename `Self`"#]], 800 expect![[r#"No references found at position"#]],
723 ); 801 );
724 } 802 }
725 803