74 lines
1.5 KiB
Rust
74 lines
1.5 KiB
Rust
use crate::{Diagnostic, DiagnosticsContext};
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// Diagnostic: unresolved-macro-call
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//
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// This diagnostic is triggered if rust-analyzer is unable to resolve the path
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// to a macro in a macro invocation.
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pub(crate) fn unresolved_macro_call(
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ctx: &DiagnosticsContext<'_>,
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d: &hir::UnresolvedMacroCall,
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) -> Diagnostic {
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// Use more accurate position if available.
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let display_range = ctx.resolve_precise_location(&d.macro_call, d.precise_location);
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let bang = if d.is_bang { "!" } else { "" };
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Diagnostic::new(
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"unresolved-macro-call",
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format!("unresolved macro `{}{bang}`", d.path.display(ctx.sema.db)),
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display_range,
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)
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.experimental()
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}
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#[cfg(test)]
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mod tests {
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use crate::tests::check_diagnostics;
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#[test]
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fn unresolved_macro_diag() {
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check_diagnostics(
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r#"
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fn f() {
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m!();
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} //^ error: unresolved macro `m!`
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"#,
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);
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}
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#[test]
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fn test_unresolved_macro_range() {
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check_diagnostics(
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r#"
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foo::bar!(92);
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//^^^ error: unresolved macro `foo::bar!`
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"#,
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);
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}
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#[test]
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fn unresolved_legacy_scope_macro() {
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check_diagnostics(
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r#"
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macro_rules! m { () => {} }
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m!(); m2!();
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//^^ error: unresolved macro `m2!`
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"#,
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);
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}
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#[test]
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fn unresolved_module_scope_macro() {
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check_diagnostics(
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r#"
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mod mac {
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#[macro_export]
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macro_rules! m { () => {} } }
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self::m!(); self::m2!();
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//^^ error: unresolved macro `self::m2!`
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"#,
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);
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}
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}
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