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feat: support using attributes in predicate

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This commit is contained in:
Shunsuke Shibayama 2024-02-24 13:23:02 +09:00
parent 47818e431e
commit 0bedeb51ab
6 changed files with 194 additions and 21 deletions
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4
crates/erg_compiler/context/instantiate_spec.rs
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@ -1577,6 +1577,10 @@ impl Context {
self.inc_ref_local(local, self, tmp_tv_cache);
Ok(Predicate::Const(local.inspect().clone()))
}
ast::ConstExpr::Accessor(ast::ConstAccessor::Attr(attr)) => {
let obj = self.instantiate_const_expr(&attr.obj, None, tmp_tv_cache, false)?;
Ok(Predicate::attr(obj, attr.name.inspect().clone()))
}
ast::ConstExpr::App(app) => {
let receiver = self.instantiate_const_expr(&app.obj, None, tmp_tv_cache, false)?;
let name = app.attr_name.as_ref().map(|n| n.inspect().to_owned());