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Add some more syntax fixup rules

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This commit is contained in:
Lukas Wirth 2024-06-17 13:10:56 +02:00
parent f11891f882
commit 158626bed4
1 changed files with 122 additions and 1 deletions
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123
crates/hir-expand/src/fixup.rs
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@ -91,7 +91,6 @@ pub(crate) fn fixup_syntax(
preorder.skip_subtree();
continue;
}
// In some other situations, we can fix things by just appending some tokens.
match_ast! {
match node {
@ -276,6 +275,62 @@ pub(crate) fn fixup_syntax(
]);
}
},
ast::RecordExprField(it) => {
if let Some(colon) = it.colon_token() {
if it.name_ref().is_some() {
append.insert(colon.into(), vec![
Leaf::Ident(Ident {
text: "__ra_fixup".into(),
span: fake_span(node_range)
})
]);
}
}
},
ast::Path(it) => {
if let Some(colon) = it.coloncolon_token() {
if it.segment().is_none() {
append.insert(colon.into(), vec![
Leaf::Ident(Ident {
text: "__ra_fixup".into(),
span: fake_span(node_range)
})
]);
}
}
},
ast::ArgList(it) => {
if it.r_paren_token().is_none() {
append.insert(node.into(), vec![
Leaf::Punct(Punct {
span: fake_span(node_range),
char: ')',
spacing: Spacing::Alone
})
]);
}
},
ast::ArgList(it) => {
if it.r_paren_token().is_none() {
append.insert(node.into(), vec![
Leaf::Punct(Punct {
span: fake_span(node_range),
char: ')',
spacing: Spacing::Alone
})
]);
}
},
ast::ClosureExpr(it) => {
if it.body().is_none() {
append.insert(node.into(), vec![
Leaf::Ident(Ident {
text: "__ra_fixup".into(),
span: fake_span(node_range)
})
]);
}
},
_ => (),
}
}
@ -759,4 +814,70 @@ fn foo () {loop { }}
"#]],
)
}
#[test]
fn fixup_path() {
check(
r#"
fn foo() {
path::
}
"#,
expect![[r#"
fn foo () {path :: __ra_fixup}
"#]],
)
}
#[test]
fn fixup_record_ctor_field() {
check(
r#"
fn foo() {
R { f: }
}
"#,
expect![[r#"
fn foo () {R {f : __ra_fixup}}
"#]],
)
}
#[test]
fn fixup_arg_list() {
check(
r#"
fn foo() {
foo(a
}
"#,
expect![[r#"
fn foo () { foo ( a ) }
"#]],
);
check(
r#"
fn foo() {
bar.foo(a
}
"#,
expect![[r#"
fn foo () { bar . foo ( a ) }
"#]],
);
}
#[test]
fn fixup_closure() {
check(
r#"
fn foo() {
||
}
"#,
expect![[r#"
fn foo () {|| __ra_fixup}
"#]],
);
}
}