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use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_session::Limit;
use rustc_span::{Span, Symbol};
#[derive(Subdiagnostic)]
#[note(query_system_cycle_stack_middle)]
pub struct CycleStack {
#[primary_span]
pub span: Span,
pub desc: String,
}
#[derive(Copy, Clone)]
pub enum HandleCycleError {
Error,
Fatal,
DelayBug,
}
#[derive(Subdiagnostic)]
pub enum StackCount {
#[note(query_system_cycle_stack_single)]
Single,
#[note(query_system_cycle_stack_multiple)]
Multiple,
}
#[derive(Subdiagnostic)]
pub enum Alias {
#[note(query_system_cycle_recursive_ty_alias)]
#[help(query_system_cycle_recursive_ty_alias_help1)]
#[help(query_system_cycle_recursive_ty_alias_help2)]
Ty,
#[note(query_system_cycle_recursive_trait_alias)]
Trait,
}
#[derive(Subdiagnostic)]
#[note(query_system_cycle_usage)]
pub struct CycleUsage {
#[primary_span]
pub span: Span,
pub usage: String,
}
#[derive(Diagnostic)]
#[diag(query_system_cycle, code = "E0391")]
pub struct Cycle {
#[primary_span]
pub span: Span,
pub stack_bottom: String,
#[subdiagnostic(eager)]
pub cycle_stack: Vec<CycleStack>,
#[subdiagnostic]
pub stack_count: StackCount,
#[subdiagnostic]
pub alias: Option<Alias>,
#[subdiagnostic]
pub cycle_usage: Option<CycleUsage>,
}
#[derive(Diagnostic)]
#[diag(query_system_reentrant)]
pub struct Reentrant;
#[derive(Diagnostic)]
#[diag(query_system_increment_compilation)]
#[help]
#[note(query_system_increment_compilation_note1)]
#[note(query_system_increment_compilation_note2)]
pub struct IncrementCompilation {
pub run_cmd: String,
pub dep_node: String,
}
#[derive(Diagnostic)]
#[help]
#[diag(query_system_query_overflow)]
pub struct QueryOverflow {
#[primary_span]
pub span: Option<Span>,
#[subdiagnostic]
pub layout_of_depth: Option<LayoutOfDepth>,
pub suggested_limit: Limit,
pub crate_name: Symbol,
}
#[derive(Subdiagnostic)]
#[note(query_system_layout_of_depth)]
pub struct LayoutOfDepth {
pub desc: String,
pub depth: usize,
}
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