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Make rename reference search use ide_db::search directly

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This commit is contained in:
Lukas Wirth 2021-01-17 21:00:55 +01:00
parent 6105dbfc2e
commit 6015a66cae
2 changed files with 211 additions and 165 deletions
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2
crates/ide/src/diagnostics/fixes.rs
View File

@ -140,7 +140,7 @@ fn fix(&self, sema: &Semantics<RootDatabase>) -> Option<Fix> {
rename_with_semantics(sema, file_position, &self.suggested_text).ok()?;
let label = format!("Rename to {}", self.suggested_text);
Some(Fix::new(&label, rename_changes.info, rename_changes.range))
Some(Fix::new(&label, rename_changes.info, frange.range))
}
}

374
crates/ide/src/references/rename.rs
View File

@ -1,23 +1,24 @@
//! FIXME: write short doc here
use std::fmt::{self, Display};
use hir::{Module, ModuleDef, ModuleSource, Semantics};
use either::Either;
use hir::{HasSource, InFile, Module, ModuleDef, ModuleSource, Semantics};
use ide_db::{
base_db::{AnchoredPathBuf, FileId, FileRange},
defs::{Definition, NameClass, NameRefClass},
search::FileReference,
RootDatabase,
};
use stdx::assert_never;
use syntax::{
algo::find_node_at_offset,
ast::{self, NameOwner},
lex_single_syntax_kind, match_ast, AstNode, SyntaxKind, SyntaxNode, T,
lex_single_syntax_kind, AstNode, SyntaxKind, SyntaxNode, T,
};
use test_utils::mark;
use text_edit::TextEdit;
use crate::{
FilePosition, FileSystemEdit, RangeInfo, ReferenceKind, ReferenceSearchResult, SourceChange,
display::TryToNav, FilePosition, FileSystemEdit, RangeInfo, ReferenceKind, SourceChange,
TextRange,
};
@ -47,13 +48,15 @@ pub(crate) fn prepare_rename(
let sema = Semantics::new(db);
let source_file = sema.parse(position.file_id);
let syntax = source_file.syntax();
if let Some(module) = find_module_at_offset(&sema, position, syntax) {
rename_mod(&sema, position, module, "dummy")
} else {
let RangeInfo { range, .. } = find_all_refs(&sema, position)?;
Ok(RangeInfo::new(range, SourceChange::default()))
let range = match &find_name_like(&sema, &syntax, position)
.ok_or_else(|| format_err!("No references found at position"))?
{
NameLike::Name(it) => it.syntax(),
NameLike::NameRef(it) => it.syntax(),
NameLike::Lifetime(it) => it.syntax(),
}
.map(|info| RangeInfo::new(info.range, ()))
.text_range();
Ok(RangeInfo::new(range, ()))
}
pub(crate) fn rename(
@ -73,10 +76,11 @@ pub(crate) fn rename_with_semantics(
let source_file = sema.parse(position.file_id);
let syntax = source_file.syntax();
if let Some(module) = find_module_at_offset(&sema, position, syntax) {
rename_mod(&sema, position, module, new_name)
} else {
rename_reference(&sema, position, new_name)
let def = find_definition(sema, syntax, position)
.ok_or_else(|| format_err!("No references found at position"))?;
match def {
Definition::ModuleDef(ModuleDef::Module(module)) => rename_mod(&sema, module, new_name),
def => rename_reference(sema, def, new_name),
}
}
@ -87,12 +91,7 @@ pub(crate) fn will_rename_file(
) -> Option<SourceChange> {
let sema = Semantics::new(db);
let module = sema.to_module_def(file_id)?;
let decl = module.declaration_source(db)?;
let range = decl.value.name()?.syntax().text_range();
let position = FilePosition { file_id: decl.file_id.original_file(db), offset: range.start() };
let mut change = rename_mod(&sema, position, module, new_name_stem).ok()?.info;
let mut change = rename_mod(&sema, module, new_name_stem).ok()?.info;
change.file_system_edits.clear();
Some(change)
}
@ -124,40 +123,51 @@ fn check_identifier(new_name: &str) -> RenameResult<IdentifierKind> {
}
}
fn find_module_at_offset(
sema: &Semantics<RootDatabase>,
position: FilePosition,
syntax: &SyntaxNode,
) -> Option<Module> {
let ident = syntax.token_at_offset(position.offset).find(|t| t.kind() == SyntaxKind::IDENT)?;
let module = match_ast! {
match (ident.parent()) {
ast::NameRef(name_ref) => {
match NameRefClass::classify(sema, &name_ref)? {
NameRefClass::Definition(Definition::ModuleDef(ModuleDef::Module(module))) => module,
_ => return None,
}
},
ast::Name(name) => {
match NameClass::classify(&sema, &name)? {
NameClass::Definition(Definition::ModuleDef(ModuleDef::Module(module))) => module,
_ => return None,
}
},
_ => return None,
}
};
Some(module)
enum NameLike {
Name(ast::Name),
NameRef(ast::NameRef),
Lifetime(ast::Lifetime),
}
fn find_all_refs(
fn find_name_like(
sema: &Semantics<RootDatabase>,
syntax: &SyntaxNode,
position: FilePosition,
) -> RenameResult<RangeInfo<ReferenceSearchResult>> {
crate::references::find_all_refs(sema, position, None)
.ok_or_else(|| format_err!("No references found at position"))
) -> Option<NameLike> {
let namelike = if let Some(name_ref) =
sema.find_node_at_offset_with_descend::<ast::NameRef>(syntax, position.offset)
{
NameLike::NameRef(name_ref)
} else if let Some(name) =
sema.find_node_at_offset_with_descend::<ast::Name>(syntax, position.offset)
{
NameLike::Name(name)
} else if let Some(lifetime) =
sema.find_node_at_offset_with_descend::<ast::Lifetime>(syntax, position.offset)
{
NameLike::Lifetime(lifetime)
} else {
return None;
};
Some(namelike)
}
fn find_definition(
sema: &Semantics<RootDatabase>,
syntax: &SyntaxNode,
position: FilePosition,
) -> Option<Definition> {
let def = match find_name_like(sema, syntax, position)? {
NameLike::Name(name) => NameClass::classify(sema, &name)?.referenced_or_defined(sema.db),
NameLike::NameRef(name_ref) => NameRefClass::classify(sema, &name_ref)?.referenced(sema.db),
NameLike::Lifetime(lifetime) => NameRefClass::classify_lifetime(sema, &lifetime)
.map(|class| NameRefClass::referenced(class, sema.db))
.or_else(|| {
NameClass::classify_lifetime(sema, &lifetime)
.map(|it| it.referenced_or_defined(sema.db))
})?,
};
Some(def)
}
fn source_edit_from_references(
@ -231,7 +241,6 @@ fn edit_text_range_for_record_field_expr_or_pat(
fn rename_mod(
sema: &Semantics<RootDatabase>,
position: FilePosition,
module: Module,
new_name: &str,
) -> RenameResult<RangeInfo<SourceChange>> {
@ -241,62 +250,78 @@ fn rename_mod(
let mut source_change = SourceChange::default();
let src = module.definition_source(sema.db);
let file_id = src.file_id.original_file(sema.db);
match src.value {
ModuleSource::SourceFile(..) => {
// mod is defined in path/to/dir/mod.rs
let path = if module.is_mod_rs(sema.db) {
format!("../{}/mod.rs", new_name)
} else {
format!("{}.rs", new_name)
};
let dst = AnchoredPathBuf { anchor: file_id, path };
let move_file = FileSystemEdit::MoveFile { src: file_id, dst };
source_change.push_file_system_edit(move_file);
}
ModuleSource::Module(..) => {}
let InFile { file_id, value: def_source } = module.definition_source(sema.db);
let file_id = file_id.original_file(sema.db);
if let ModuleSource::SourceFile(..) = def_source {
// mod is defined in path/to/dir/mod.rs
let path = if module.is_mod_rs(sema.db) {
format!("../{}/mod.rs", new_name)
} else {
format!("{}.rs", new_name)
};
let dst = AnchoredPathBuf { anchor: file_id, path };
let move_file = FileSystemEdit::MoveFile { src: file_id, dst };
source_change.push_file_system_edit(move_file);
}
if let Some(src) = module.declaration_source(sema.db) {
let file_id = src.file_id.original_file(sema.db);
let name = src.value.name().unwrap();
source_change.insert_source_edit(
file_id,
TextEdit::replace(name.syntax().text_range(), new_name.into()),
);
if let Some(InFile { file_id, value: decl_source }) = module.declaration_source(sema.db) {
let file_id = file_id.original_file(sema.db);
match decl_source.name() {
Some(name) => source_change.insert_source_edit(
file_id,
TextEdit::replace(name.syntax().text_range(), new_name.to_string()),
),
_ => unreachable!(),
};
}
let RangeInfo { range, info: refs } = find_all_refs(sema, position)?;
let ref_edits = refs.references().iter().map(|(&file_id, references)| {
let def = Definition::ModuleDef(ModuleDef::Module(module));
let usages = def.usages(sema).all();
let ref_edits = usages.iter().map(|(&file_id, references)| {
source_edit_from_references(sema, file_id, references, new_name)
});
source_change.extend(ref_edits);
Ok(RangeInfo::new(range, source_change))
Ok(RangeInfo::new(TextRange::default(), source_change))
}
fn rename_to_self(
sema: &Semantics<RootDatabase>,
position: FilePosition,
) -> Result<RangeInfo<SourceChange>, RenameError> {
let source_file = sema.parse(position.file_id);
let syn = source_file.syntax();
local: hir::Local,
) -> RenameResult<RangeInfo<SourceChange>> {
if assert_never!(local.is_self(sema.db)) {
bail!("rename_to_self invoked on self");
}
let (fn_def, fn_ast) = find_node_at_offset::<ast::Fn>(syn, position.offset)
.and_then(|fn_ast| sema.to_def(&fn_ast).zip(Some(fn_ast)))
.ok_or_else(|| format_err!("No surrounding method declaration found"))?;
let param_range = fn_ast
let fn_def = match local.parent(sema.db) {
hir::DefWithBody::Function(func) => func,
_ => bail!("Cannot rename non-param local to self"),
};
// FIXME: reimplement this on the hir instead
// as of the time of this writing params in hir don't keep their names
let fn_ast =
fn_def.source(sema.db).ok_or(format_err!("Cannot rename non-param local to self"))?.value;
let first_param_range = fn_ast
.param_list()
.and_then(|p| p.params().next())
.ok_or_else(|| format_err!("Method has no parameters"))?
.syntax()
.text_range();
if !param_range.contains(position.offset) {
bail!("Only the first parameter can be self");
let InFile { file_id, value: local_source } = local.source(sema.db);
match local_source {
either::Either::Left(pat)
if !first_param_range.contains_range(pat.syntax().text_range()) =>
{
bail!("Only the first parameter can be self");
}
_ => (),
}
let impl_block = find_node_at_offset::<ast::Impl>(syn, position.offset)
let impl_block = fn_ast
.syntax()
.ancestors()
.find_map(|node| ast::Impl::cast(node))
.and_then(|def| sema.to_def(&def))
.ok_or_else(|| format_err!("No impl block found for function"))?;
if fn_def.self_param(sema.db).is_some() {
@ -320,25 +345,21 @@ fn rename_to_self(
bail!("Parameter type differs from impl block type");
}
let RangeInfo { range, info: refs } = find_all_refs(sema, position)?;
let def = Definition::Local(local);
let usages = def.usages(sema).all();
let mut source_change = SourceChange::default();
source_change.extend(refs.references().iter().map(|(&file_id, references)| {
source_change.extend(usages.iter().map(|(&file_id, references)| {
source_edit_from_references(sema, file_id, references, "self")
}));
source_change.insert_source_edit(
position.file_id,
TextEdit::replace(param_range, String::from(self_param)),
file_id.original_file(sema.db),
TextEdit::replace(first_param_range, String::from(self_param)),
);
Ok(RangeInfo::new(range, source_change))
Ok(RangeInfo::new(TextRange::default(), source_change))
}
fn text_edit_from_self_param(
syn: &SyntaxNode,
self_param: &ast::SelfParam,
new_name: &str,
) -> Option<TextEdit> {
fn text_edit_from_self_param(self_param: &ast::SelfParam, new_name: &str) -> Option<TextEdit> {
fn target_type_name(impl_def: &ast::Impl) -> Option<String> {
if let Some(ast::Type::PathType(p)) = impl_def.self_ty() {
return Some(p.path()?.segment()?.name_ref()?.text().to_string());
@ -346,7 +367,7 @@ fn target_type_name(impl_def: &ast::Impl) -> Option<String> {
None
}
let impl_def = find_node_at_offset::<ast::Impl>(syn, self_param.syntax().text_range().start())?;
let impl_def = self_param.syntax().ancestors().find_map(|it| ast::Impl::cast(it))?;
let type_name = target_type_name(&impl_def)?;
let mut replacement_text = String::from(new_name);
@ -363,94 +384,119 @@ fn target_type_name(impl_def: &ast::Impl) -> Option<String> {
fn rename_self_to_param(
sema: &Semantics<RootDatabase>,
position: FilePosition,
local: hir::Local,
new_name: &str,
ident_kind: IdentifierKind,
range: TextRange,
refs: ReferenceSearchResult,
) -> Result<RangeInfo<SourceChange>, RenameError> {
match ident_kind {
IdentifierKind::Lifetime => bail!("Invalid name `{}`: not an identifier", new_name),
IdentifierKind::ToSelf => {
// no-op
mark::hit!(rename_self_to_self);
return Ok(RangeInfo::new(range, SourceChange::default()));
identifier_kind: IdentifierKind,
) -> RenameResult<RangeInfo<SourceChange>> {
let (file_id, self_param) = match local.source(sema.db) {
InFile { file_id, value: Either::Right(self_param) } => (file_id, self_param),
_ => {
assert_never!(true, "rename_self_to_param invoked on a non-self local");
bail!("rename_self_to_param invoked on a non-self local");
}
_ => (),
};
let def = Definition::Local(local);
let usages = def.usages(sema).all();
let edit = text_edit_from_self_param(&self_param, new_name)
.ok_or_else(|| format_err!("No target type found"))?;
if usages.len() > 1 && identifier_kind == IdentifierKind::Underscore {
bail!("Cannot rename reference to `_` as it is being referenced multiple times");
}
let source_file = sema.parse(position.file_id);
let syn = source_file.syntax();
let fn_def = find_node_at_offset::<ast::Fn>(syn, position.offset)
.ok_or_else(|| format_err!("No surrounding method declaration found"))?;
let mut source_change = SourceChange::default();
if let Some(self_param) = fn_def.param_list().and_then(|it| it.self_param()) {
if self_param
.syntax()
.text_range()
.contains_range(refs.declaration().nav.focus_or_full_range())
{
let edit = text_edit_from_self_param(syn, &self_param, new_name)
.ok_or_else(|| format_err!("No target type found"))?;
source_change.insert_source_edit(position.file_id, edit);
source_change.extend(refs.references().iter().map(|(&file_id, references)| {
source_edit_from_references(sema, file_id, &references, new_name)
}));
if source_change.source_file_edits.len() > 1 && ident_kind == IdentifierKind::Underscore
{
bail!("Cannot rename reference to `_` as it is being referenced multiple times");
}
return Ok(RangeInfo::new(range, source_change));
}
}
Err(format_err!("Method has no self param"))
source_change.insert_source_edit(file_id.original_file(sema.db), edit);
source_change.extend(usages.iter().map(|(&file_id, references)| {
source_edit_from_references(sema, file_id, &references, new_name)
}));
Ok(RangeInfo::new(TextRange::default(), source_change))
}
fn rename_reference(
sema: &Semantics<RootDatabase>,
position: FilePosition,
def: Definition,
new_name: &str,
) -> Result<RangeInfo<SourceChange>, RenameError> {
) -> RenameResult<RangeInfo<SourceChange>> {
let ident_kind = check_identifier(new_name)?;
let RangeInfo { range, info: refs } = find_all_refs(sema, position)?;
match (ident_kind, &refs.declaration.kind) {
(IdentifierKind::ToSelf, ReferenceKind::Lifetime)
| (IdentifierKind::Underscore, ReferenceKind::Lifetime)
| (IdentifierKind::Ident, ReferenceKind::Lifetime) => {
let def_is_lbl_or_lt = matches!(def,
Definition::GenericParam(hir::GenericParam::LifetimeParam(_))
| Definition::Label(_)
);
match (ident_kind, def) {
(IdentifierKind::ToSelf, _)
| (IdentifierKind::Underscore, _)
| (IdentifierKind::Ident, _)
if def_is_lbl_or_lt =>
{
mark::hit!(rename_not_a_lifetime_ident_ref);
bail!("Invalid name `{}`: not a lifetime identifier", new_name)
}
(IdentifierKind::Lifetime, ReferenceKind::Lifetime) => mark::hit!(rename_lifetime),
(IdentifierKind::Lifetime, _) if def_is_lbl_or_lt => mark::hit!(rename_lifetime),
(IdentifierKind::Lifetime, _) => {
mark::hit!(rename_not_an_ident_ref);
bail!("Invalid name `{}`: not an identifier", new_name)
}
(_, ReferenceKind::SelfParam) => {
(IdentifierKind::ToSelf, Definition::Local(local)) if local.is_self(sema.db) => {
// no-op
mark::hit!(rename_self_to_self);
return Ok(RangeInfo::new(TextRange::default(), SourceChange::default()));
}
(ident_kind, Definition::Local(local)) if local.is_self(sema.db) => {
mark::hit!(rename_self_to_param);
return rename_self_to_param(sema, position, new_name, ident_kind, range, refs);
return rename_self_to_param(sema, local, new_name, ident_kind);
}
(IdentifierKind::ToSelf, _) => {
(IdentifierKind::ToSelf, Definition::Local(local)) => {
mark::hit!(rename_to_self);
return rename_to_self(sema, position);
}
(IdentifierKind::Underscore, _) if !refs.references.is_empty() => {
mark::hit!(rename_underscore_multiple);
bail!("Cannot rename reference to `_` as it is being referenced multiple times")
return rename_to_self(sema, local);
}
(IdentifierKind::ToSelf, _) => bail!("Invalid name `{}`: not an identifier", new_name),
(IdentifierKind::Ident, _) | (IdentifierKind::Underscore, _) => mark::hit!(rename_ident),
}
let usages = def.usages(sema).all();
if !usages.is_empty() && ident_kind == IdentifierKind::Underscore {
mark::hit!(rename_underscore_multiple);
bail!("Cannot rename reference to `_` as it is being referenced multiple times");
}
let mut source_change = SourceChange::default();
source_change.extend(refs.into_iter().map(|(file_id, references)| {
source_change.extend(usages.iter().map(|(&file_id, references)| {
source_edit_from_references(sema, file_id, &references, new_name)
}));
Ok(RangeInfo::new(range, source_change))
let (file_id, edit) = source_edit_from_def(sema, def, new_name)?;
source_change.insert_source_edit(file_id, edit);
Ok(RangeInfo::new(TextRange::default(), source_change))
}
fn source_edit_from_def(
sema: &Semantics<RootDatabase>,
def: Definition,
new_name: &str,
) -> RenameResult<(FileId, TextEdit)> {
let nav = def.try_to_nav(sema.db).unwrap();
let mut replacement_text = String::new();
let mut repl_range = nav.focus_or_full_range();
if let Definition::Local(local) = def {
if let Either::Left(pat) = local.source(sema.db).value {
if matches!(
pat.syntax().parent().and_then(ast::RecordPatField::cast),
Some(pat_field) if pat_field.name_ref().is_none()
) {
replacement_text.push_str(": ");
replacement_text.push_str(new_name);
repl_range = TextRange::new(
pat.syntax().text_range().end(),
pat.syntax().text_range().end(),
);
}
}
}
if replacement_text.is_empty() {
replacement_text.push_str(new_name);
}
let edit = TextEdit::replace(repl_range, replacement_text);
Ok((nav.file_id, edit))
}
#[cfg(test)]
@ -872,7 +918,7 @@ fn test_rename_mod() {
"#,
expect![[r#"
RangeInfo {
range: 4..7,
range: 0..0,
info: SourceChange {
source_file_edits: {
FileId(
@ -924,7 +970,7 @@ fn main() {}
"#,
expect![[r#"
RangeInfo {
range: 11..14,
range: 0..0,
info: SourceChange {
source_file_edits: {
FileId(
@ -980,7 +1026,7 @@ fn test_rename_mod_in_dir() {
"#,
expect![[r#"
RangeInfo {
range: 4..7,
range: 0..0,
info: SourceChange {
source_file_edits: {
FileId(
@ -1027,7 +1073,7 @@ fn test_rename_unusually_nested_mod() {
"#,
expect![[r#"
RangeInfo {
range: 16..19,
range: 0..0,
info: SourceChange {
source_file_edits: {
FileId(
@ -1097,7 +1143,7 @@ fn f() {
"#,
expect![[r#"
RangeInfo {
range: 8..11,
range: 0..0,
info: SourceChange {
source_file_edits: {
FileId(