Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-expand/src/name.rs')
| -rw-r--r-- | crates/hir-expand/src/name.rs | 60 |
1 files changed, 39 insertions, 21 deletions
diff --git a/crates/hir-expand/src/name.rs b/crates/hir-expand/src/name.rs index 10a251ba78..0e95673dbd 100644 --- a/crates/hir-expand/src/name.rs +++ b/crates/hir-expand/src/name.rs @@ -24,27 +24,6 @@ enum Repr { TupleField(usize), } -impl fmt::Display for Name { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match &self.0 { - Repr::Text(text) => fmt::Display::fmt(&text, f), - Repr::TupleField(idx) => fmt::Display::fmt(&idx, f), - } - } -} - -impl<'a> fmt::Display for UnescapedName<'a> { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match &self.0 .0 { - Repr::Text(text) => { - let text = text.strip_prefix("r#").unwrap_or(text); - fmt::Display::fmt(&text, f) - } - Repr::TupleField(idx) => fmt::Display::fmt(&idx, f), - } - } -} - impl<'a> UnescapedName<'a> { /// Returns the textual representation of this name as a [`SmolStr`]. Prefer using this over /// [`ToString::to_string`] if possible as this conversion is cheaper in the general case. @@ -60,6 +39,11 @@ impl<'a> UnescapedName<'a> { Repr::TupleField(it) => SmolStr::new(it.to_string()), } } + + pub fn display(&'a self, db: &dyn crate::db::ExpandDatabase) -> impl fmt::Display + 'a { + _ = db; + UnescapedDisplay { name: self } + } } impl Name { @@ -167,6 +151,40 @@ impl Name { Repr::TupleField(_) => false, } } + + pub fn display<'a>(&'a self, db: &dyn crate::db::ExpandDatabase) -> impl fmt::Display + 'a { + _ = db; + Display { name: self } + } +} + +struct Display<'a> { + name: &'a Name, +} + +impl<'a> fmt::Display for Display<'a> { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match &self.name.0 { + Repr::Text(text) => fmt::Display::fmt(&text, f), + Repr::TupleField(idx) => fmt::Display::fmt(&idx, f), + } + } +} + +struct UnescapedDisplay<'a> { + name: &'a UnescapedName<'a>, +} + +impl<'a> fmt::Display for UnescapedDisplay<'a> { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match &self.name.0 .0 { + Repr::Text(text) => { + let text = text.strip_prefix("r#").unwrap_or(text); + fmt::Display::fmt(&text, f) + } + Repr::TupleField(idx) => fmt::Display::fmt(&idx, f), + } + } } pub trait AsName { |