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use std::path::PathBuf;
use rustc_errors::ErrorGuaranteed;
use rustc_macros::{LintDiagnostic, SessionDiagnostic};
use rustc_session::SessionDiagnostic;
use rustc_span::Span;
#[derive(SessionDiagnostic)]
#[diag(monomorphize::recursion_limit)]
pub struct RecursionLimit {
#[primary_span]
pub span: Span,
pub shrunk: String,
#[note]
pub def_span: Span,
pub def_path_str: String,
#[note(monomorphize::written_to_path)]
pub was_written: Option<()>,
pub path: PathBuf,
}
#[derive(SessionDiagnostic)]
#[diag(monomorphize::type_length_limit)]
#[help(monomorphize::consider_type_length_limit)]
pub struct TypeLengthLimit {
#[primary_span]
pub span: Span,
pub shrunk: String,
#[note(monomorphize::written_to_path)]
pub was_written: Option<()>,
pub path: PathBuf,
pub type_length: usize,
}
#[derive(SessionDiagnostic)]
#[diag(monomorphize::requires_lang_item)]
pub struct RequiresLangItem {
pub lang_item: String,
}
pub struct UnusedGenericParams {
pub span: Span,
pub param_spans: Vec<Span>,
pub param_names: Vec<String>,
}
impl SessionDiagnostic<'_> for UnusedGenericParams {
fn into_diagnostic(
self,
handler: &'_ rustc_errors::Handler,
) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> {
let mut diag =
handler.struct_err(rustc_errors::fluent::monomorphize::unused_generic_params);
diag.set_span(self.span);
for (span, name) in self.param_spans.into_iter().zip(self.param_names) {
// FIXME: I can figure out how to do a label with a fluent string with a fixed message,
// or a label with a dynamic value in a hard-coded string, but I haven't figured out
// how to combine the two. 😢
diag.span_label(span, format!("generic parameter `{}` is unused", name));
}
diag
}
}
#[derive(LintDiagnostic)]
#[diag(monomorphize::large_assignments)]
#[note]
pub struct LargeAssignmentsLint {
#[label]
pub span: Span,
pub size: u64,
pub limit: u64,
}
#[derive(SessionDiagnostic)]
#[diag(monomorphize::unknown_partition_strategy)]
pub struct UnknownPartitionStrategy;
#[derive(SessionDiagnostic)]
#[diag(monomorphize::symbol_already_defined)]
pub struct SymbolAlreadyDefined {
#[primary_span]
pub span: Option<Span>,
pub symbol: String,
}
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