mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

some code docs for the ide_db/rename module

Browse Source
This commit is contained in:
Lukas Wirth 2021-08-16 23:06:51 +02:00
parent 5e533e5900
commit 995c8f50a2
2 changed files with 28 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
crates/ide/src/rename.rs
View File

@ -1470,6 +1470,7 @@ fn foo(Foo { i: bar }: Foo) -> i32 {
#[test]
fn test_struct_field_complex_ident_pat() {
cov_mark::check!(rename_record_pat_field_name_split);
check(
"baz",
r#"

33
crates/ide_db/src/rename.rs
View File

@ -326,12 +326,16 @@ pub fn source_edit_from_references(
fn source_edit_from_name(name: &ast::Name, new_name: &str) -> Option<(TextRange, String)> {
if let Some(_) = ast::RecordPatField::for_field_name(name) {
// FIXME: instead of splitting the shorthand, recursively trigger a rename of the
// other name https://github.com/rust-analyzer/rust-analyzer/issues/6547
if let Some(ident_pat) = name.syntax().parent().and_then(ast::IdentPat::cast) {
cov_mark::hit!(rename_record_pat_field_name_split);
// Foo { ref mut field } -> Foo { new_name: ref mut field }
// ^ insert `new_name: `
// FIXME: instead of splitting the shorthand, recursively trigger a rename of the
// other name https://github.com/rust-analyzer/rust-analyzer/issues/6547
return Some((
TextRange::empty(ident_pat.syntax().text_range().start()),
[new_name, ": "].concat(),
format!("{}: ", new_name),
));
}
}
@ -347,21 +351,29 @@ fn source_edit_from_name_ref(
if let Some(record_field) = ast::RecordExprField::for_name_ref(name_ref) {
let rcf_name_ref = record_field.name_ref();
let rcf_expr = record_field.expr();
match (rcf_name_ref, rcf_expr.and_then(|it| it.name_ref())) {
match &(rcf_name_ref, rcf_expr.and_then(|it| it.name_ref())) {
// field: init-expr, check if we can use a field init shorthand
(Some(field_name), Some(init)) => {
if field_name == *name_ref {
if field_name == name_ref {
if init.text() == new_name {
cov_mark::hit!(test_rename_field_put_init_shorthand);
// Foo { field: local } -> Foo { local }
// ^^^^^^^^ delete this
// FIXME: Actually delete this instead of replacing the entire thing
// same names, we can use a shorthand here instead.
// we do not want to erase attributes hence this range start
let s = field_name.syntax().text_range().start();
let e = record_field.syntax().text_range().end();
return Some((TextRange::new(s, e), new_name.to_owned()));
}
} else if init == *name_ref {
} else if init == name_ref {
if field_name.text() == new_name {
cov_mark::hit!(test_rename_local_put_init_shorthand);
// Foo { field: local } -> Foo { field }
// ^^^^^^^ delete this
// FIXME: Actually delete this instead of replacing the entire thing
// same names, we can use a shorthand here instead.
// we do not want to erase attributes hence this range start
let s = field_name.syntax().text_range().start();
@ -374,11 +386,15 @@ fn source_edit_from_name_ref(
// init shorthand
(None, Some(_)) if matches!(def, Definition::Field(_)) => {
cov_mark::hit!(test_rename_field_in_field_shorthand);
// Foo { field } -> Foo { new_name: field }
// ^ insert `new_name: `
let s = name_ref.syntax().text_range().start();
Some((TextRange::empty(s), format!("{}: ", new_name)))
}
(None, Some(_)) if matches!(def, Definition::Local(_)) => {
cov_mark::hit!(test_rename_local_in_field_shorthand);
// Foo { field } -> Foo { field: new_name }
// ^ insert `: new_name`
let s = name_ref.syntax().text_range().end();
Some((TextRange::empty(s), format!(": {}", new_name)))
}
@ -395,6 +411,11 @@ fn source_edit_from_name_ref(
// field name is being renamed
if pat.name().map_or(false, |it| it.text() == new_name) {
cov_mark::hit!(test_rename_field_put_init_shorthand_pat);
// Foo { field: ref mut local } -> Foo { ref mut field }
// ^^^^^^^ delete this
// ^^^^^ replace this with `field`
// FIXME: do this the way its written here
// same names, we can use a shorthand here instead/
// we do not want to erase attributes hence this range start
let s = field_name.syntax().text_range().start();