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Diffstat (limited to 'crates/hir-expand/src/name.rs')
| -rw-r--r-- | crates/hir-expand/src/name.rs | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/crates/hir-expand/src/name.rs b/crates/hir-expand/src/name.rs index c3462beac7..8099c20b02 100644 --- a/crates/hir-expand/src/name.rs +++ b/crates/hir-expand/src/name.rs @@ -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 { @@ -343,6 +355,8 @@ pub mod known { feature, // known methods of lang items call_once, + call_mut, + call, eq, ne, ge, |