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Desugar try blocks

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hkalbasi 2023-03-19 13:02:51 +03:30
parent 453ae2e00e
commit 8e73ea5253
11 changed files with 215 additions and 84 deletions
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14
crates/hir-expand/src/name.rs
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@ -78,7 +78,7 @@ impl Name {
Self::new_text(lt.text().into())
}
/// Shortcut to create inline plain text name
/// Shortcut to create inline plain text name. Panics if `text.len() > 22`
const fn new_inline(text: &str) -> Name {
Name::new_text(SmolStr::new_inline(text))
}
@ -112,6 +112,18 @@ impl Name {
Name::new_inline("[missing name]")
}
/// Generates a new name which is only equal to itself, by incrementing a counter. Due
/// its implementation, it should not be used in things that salsa considers, like
/// type names or field names, and it should be only used in names of local variables
/// and labels and similar things.
pub fn generate_new_name() -> Name {
use std::sync::atomic::{AtomicUsize, Ordering};
static CNT: AtomicUsize = AtomicUsize::new(0);
let c = CNT.fetch_add(1, Ordering::Relaxed);
// FIXME: Currently a `__RA_generated_name` in user code will break our analysis
Name::new_text(format!("__RA_geneated_name_{c}").into())
}
/// Returns the tuple index this name represents if it is a tuple field.
pub fn as_tuple_index(&self) -> Option<usize> {
match self.0 {