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|
use crate::diagnostics::{Diagnostic, DiagnosticsContext};
// Diagnostic: unresolved-import
//
// This diagnostic is triggered if rust-analyzer is unable to resolve a path in
// a `use` declaration.
pub(super) fn unresolved_import(
ctx: &DiagnosticsContext<'_>,
d: &hir::UnresolvedImport,
) -> Diagnostic {
Diagnostic::new(
"unresolved-import",
"unresolved import",
ctx.sema.diagnostics_display_range(d.decl.clone().map(|it| it.into())).range,
)
// This currently results in false positives in the following cases:
// - `cfg_if!`-generated code in libstd (we don't load the sysroot correctly)
// - `core::arch` (we don't handle `#[path = "../<path>"]` correctly)
// - proc macros and/or proc macro generated code
.experimental()
}
#[cfg(test)]
mod tests {
use crate::diagnostics::tests::check_diagnostics;
#[test]
fn unresolved_import() {
check_diagnostics(
r#"
use does_exist;
use does_not_exist;
//^^^^^^^^^^^^^^ unresolved import
mod does_exist {}
"#,
);
}
#[test]
fn unresolved_import_in_use_tree() {
// Only the relevant part of a nested `use` item should be highlighted.
check_diagnostics(
r#"
use does_exist::{Exists, DoesntExist};
//^^^^^^^^^^^ unresolved import
use {does_not_exist::*, does_exist};
//^^^^^^^^^^^^^^^^^ unresolved import
use does_not_exist::{
a,
//^ unresolved import
b,
//^ unresolved import
c,
//^ unresolved import
};
mod does_exist {
pub struct Exists;
}
"#,
);
}
#[test]
fn dedup_unresolved_import_from_unresolved_crate() {
check_diagnostics(
r#"
//- /main.rs crate:main
mod a {
extern crate doesnotexist;
//^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate
// Should not error, since we already errored for the missing crate.
use doesnotexist::{self, bla, *};
use crate::doesnotexist;
//^^^^^^^^^^^^^^^^^^^ unresolved import
}
mod m {
use super::doesnotexist;
//^^^^^^^^^^^^^^^^^^^ unresolved import
}
"#,
);
}
}
|
