rustc_query_system/
error.rs

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1use rustc_errors::codes::*;
2use rustc_macros::{Diagnostic, Subdiagnostic};
3use rustc_session::Limit;
4use rustc_span::{Span, Symbol};
5
6#[derive(Subdiagnostic)]
7#[note(query_system_cycle_stack_middle)]
8pub(crate) struct CycleStack {
9    #[primary_span]
10    pub span: Span,
11    pub desc: String,
12}
13
14#[derive(Copy, Clone)]
15pub enum HandleCycleError {
16    Error,
17    Fatal,
18    DelayBug,
19    Stash,
20}
21
22#[derive(Subdiagnostic)]
23pub(crate) enum StackCount {
24    #[note(query_system_cycle_stack_single)]
25    Single,
26    #[note(query_system_cycle_stack_multiple)]
27    Multiple,
28}
29
30#[derive(Subdiagnostic)]
31pub(crate) enum Alias {
32    #[note(query_system_cycle_recursive_ty_alias)]
33    #[help(query_system_cycle_recursive_ty_alias_help1)]
34    #[help(query_system_cycle_recursive_ty_alias_help2)]
35    Ty,
36    #[note(query_system_cycle_recursive_trait_alias)]
37    Trait,
38}
39
40#[derive(Subdiagnostic)]
41#[note(query_system_cycle_usage)]
42pub(crate) struct CycleUsage {
43    #[primary_span]
44    pub span: Span,
45    pub usage: String,
46}
47
48#[derive(Diagnostic)]
49#[diag(query_system_cycle, code = E0391)]
50pub(crate) struct Cycle {
51    #[primary_span]
52    pub span: Span,
53    pub stack_bottom: String,
54    #[subdiagnostic]
55    pub cycle_stack: Vec<CycleStack>,
56    #[subdiagnostic]
57    pub stack_count: StackCount,
58    #[subdiagnostic]
59    pub alias: Option<Alias>,
60    #[subdiagnostic]
61    pub cycle_usage: Option<CycleUsage>,
62    #[note]
63    pub note_span: (),
64}
65
66#[derive(Diagnostic)]
67#[diag(query_system_reentrant)]
68pub(crate) struct Reentrant;
69
70#[derive(Diagnostic)]
71#[diag(query_system_increment_compilation)]
72#[help]
73#[note(query_system_increment_compilation_note1)]
74#[note(query_system_increment_compilation_note2)]
75pub(crate) struct IncrementCompilation {
76    pub run_cmd: String,
77    pub dep_node: String,
78}
79
80#[derive(Diagnostic)]
81#[help]
82#[diag(query_system_query_overflow)]
83pub struct QueryOverflow {
84    #[primary_span]
85    pub span: Span,
86    #[subdiagnostic]
87    pub note: QueryOverflowNote,
88    pub suggested_limit: Limit,
89    pub crate_name: Symbol,
90}
91
92#[derive(Subdiagnostic)]
93#[note(query_system_overflow_note)]
94pub struct QueryOverflowNote {
95    pub desc: String,
96    pub depth: usize,
97}
rustc_query_system/error.rs

rustc_query_system/
error.rs
