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Render matched macro arm on hover of macro calls

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This commit is contained in:
Lukas Wirth 2023-12-08 18:24:24 +01:00
parent 062e1b9b81
commit 6bfdd38c69
11 changed files with 133 additions and 65 deletions
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11
crates/hir/src/semantics.rs
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@ -1246,6 +1246,17 @@ impl<'db> SemanticsImpl<'db> {
.map_or(false, |m| matches!(m.id, MacroId::ProcMacroId(..)))
}
pub fn resolve_macro_call_arm(&self, macro_call: &ast::MacroCall) -> Option<u32> {
let sa = self.analyze(macro_call.syntax())?;
self.db
.parse_macro_expansion(
sa.expand(self.db, self.wrap_node_infile(macro_call.clone()).as_ref())?,
)
.value
.1
.matched_arm
}
pub fn is_unsafe_macro_call(&self, macro_call: &ast::MacroCall) -> bool {
let sa = match self.analyze(macro_call.syntax()) {
Some(it) => it,