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use rustc_errors::{fluent, AddToDiagnostic, Applicability, Diagnostic, SubdiagnosticMessage};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_span::{Span, Symbol};
use crate::ast_validation::ForbiddenLetReason;
#[derive(Diagnostic)]
#[diag(ast_passes_forbidden_let)]
#[note]
pub struct ForbiddenLet {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub(crate) reason: ForbiddenLetReason,
}
#[derive(Diagnostic)]
#[diag(ast_passes_forbidden_let_stable)]
#[note]
pub struct ForbiddenLetStable {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_forbidden_assoc_constraint)]
pub struct ForbiddenAssocConstraint {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_keyword_lifetime)]
pub struct KeywordLifetime {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_invalid_label)]
pub struct InvalidLabel {
#[primary_span]
pub span: Span,
pub name: Symbol,
}
#[derive(Diagnostic)]
#[diag(ast_passes_invalid_visibility, code = "E0449")]
pub struct InvalidVisibility {
#[primary_span]
pub span: Span,
#[label(implied)]
pub implied: Option<Span>,
#[subdiagnostic]
pub note: Option<InvalidVisibilityNote>,
}
#[derive(Subdiagnostic)]
pub enum InvalidVisibilityNote {
#[note(individual_impl_items)]
IndividualImplItems,
#[note(individual_foreign_items)]
IndividualForeignItems,
}
#[derive(Diagnostic)]
#[diag(ast_passes_trait_fn_const, code = "E0379")]
pub struct TraitFnConst {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_forbidden_lifetime_bound)]
pub struct ForbiddenLifetimeBound {
#[primary_span]
pub spans: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(ast_passes_forbidden_non_lifetime_param)]
pub struct ForbiddenNonLifetimeParam {
#[primary_span]
pub spans: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_too_many)]
pub struct FnParamTooMany {
#[primary_span]
pub span: Span,
pub max_num_args: usize,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_c_var_args_only)]
pub struct FnParamCVarArgsOnly {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_c_var_args_not_last)]
pub struct FnParamCVarArgsNotLast {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_doc_comment)]
pub struct FnParamDocComment {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_forbidden_attr)]
pub struct FnParamForbiddenAttr {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_forbidden_self)]
#[note]
pub struct FnParamForbiddenSelf {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_forbidden_default)]
pub struct ForbiddenDefault {
#[primary_span]
pub span: Span,
#[label]
pub def_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_assoc_const_without_body)]
pub struct AssocConstWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " = <expr>;", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_assoc_fn_without_body)]
pub struct AssocFnWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " {{ <body> }}", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_assoc_type_without_body)]
pub struct AssocTypeWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " = <type>;", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_const_without_body)]
pub struct ConstWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " = <expr>;", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_static_without_body)]
pub struct StaticWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " = <expr>;", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_ty_alias_without_body)]
pub struct TyAliasWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " = <type>;", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_without_body)]
pub struct FnWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " {{ <body> }}", applicability = "has-placeholders")]
pub replace_span: Span,
#[subdiagnostic]
pub extern_block_suggestion: Option<ExternBlockSuggestion>,
}
pub struct ExternBlockSuggestion {
pub start_span: Span,
pub end_span: Span,
pub abi: Option<Symbol>,
}
impl AddToDiagnostic for ExternBlockSuggestion {
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
let start_suggestion = if let Some(abi) = self.abi {
format!("extern \"{}\" {{", abi)
} else {
"extern {".to_owned()
};
let end_suggestion = " }".to_owned();
diag.multipart_suggestion(
fluent::extern_block_suggestion,
vec![(self.start_span, start_suggestion), (self.end_span, end_suggestion)],
Applicability::MaybeIncorrect,
);
}
}