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Diffstat (limited to 'crates/ide-diagnostics/src/handlers/unresolved_ident.rs')
| -rw-r--r-- | crates/ide-diagnostics/src/handlers/unresolved_ident.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/crates/ide-diagnostics/src/handlers/unresolved_ident.rs b/crates/ide-diagnostics/src/handlers/unresolved_ident.rs new file mode 100644 index 0000000000..295c8a2c61 --- /dev/null +++ b/crates/ide-diagnostics/src/handlers/unresolved_ident.rs @@ -0,0 +1,46 @@ +use crate::{Diagnostic, DiagnosticCode, DiagnosticsContext}; + +// Diagnostic: unresolved-ident +// +// This diagnostic is triggered if an expr-position ident is invalid. +pub(crate) fn unresolved_ident( + ctx: &DiagnosticsContext<'_>, + d: &hir::UnresolvedIdent, +) -> Diagnostic { + Diagnostic::new_with_syntax_node_ptr( + ctx, + DiagnosticCode::RustcHardError("E0425"), + "no such value in this scope", + d.expr.map(Into::into), + ) + .experimental() +} + +#[cfg(test)] +mod tests { + use crate::tests::check_diagnostics; + + #[test] + fn missing() { + check_diagnostics( + r#" +fn main() { + let _ = x; + //^ error: no such value in this scope +} +"#, + ); + } + + #[test] + fn present() { + check_diagnostics( + r#" +fn main() { + let x = 5; + let _ = x; +} +"#, + ); + } +} |