bjoernager/rust
bjoernager/rust
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Improve unknown external crate error

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This commit is contained in:
Ryan Levick 2021-01-15 18:05:11 +01:00
parent 4e208f6a3a
commit d829e40c7b
5 changed files with 21 additions and 8 deletions
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14
compiler/rustc_resolve/src/lib.rs
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@ -2458,8 +2458,14 @@ impl<'a> Resolver<'a> {
(format!("use of undeclared crate or module `{}`", ident), None)
}
} else {
let mut msg =
format!("could not find `{}` in `{}`", ident, path[i - 1].ident);
let parent = path[i - 1].ident.name;
let parent = if parent == kw::PathRoot {
"crate root".to_owned()
} else {
format!("`{}`", parent)
};
let mut msg = format!("could not find `{}` in {}", ident, parent);
if ns == TypeNS || ns == ValueNS {
let ns_to_try = if ns == TypeNS { ValueNS } else { TypeNS };
if let FindBindingResult::Binding(Ok(binding)) =
@ -2467,11 +2473,11 @@ impl<'a> Resolver<'a> {
{
let mut found = |what| {
msg = format!(
"expected {}, found {} `{}` in `{}`",
"expected {}, found {} `{}` in {}",
ns.descr(),
what,
ident,
path[i - 1].ident
parent
)
};
if binding.module().is_some() {