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rustc_privacy/
errors.rs

1use rustc_errors::codes::*;
2use rustc_errors::{DiagArgFromDisplay, MultiSpan};
3use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic};
4use rustc_span::{Span, Symbol};
5
6#[derive(const _: () =
    {
        impl<'_sess, G> rustc_errors::Diagnostic<'_sess, G> for FieldIsPrivate
            where G: rustc_errors::EmissionGuarantee {
            #[track_caller]
            fn into_diag(self, dcx: rustc_errors::DiagCtxtHandle<'_sess>,
                level: rustc_errors::Level) -> rustc_errors::Diag<'_sess, G> {
                match self {
                    FieldIsPrivate {
                        span: __binding_0,
                        struct_span: __binding_1,
                        field_names: __binding_2,
                        variant_descr: __binding_3,
                        def_path_str: __binding_4,
                        labels: __binding_5,
                        len: __binding_6 } => {
                        let mut diag =
                            rustc_errors::Diag::new(dcx, level,
                                rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("{$len ->\n    [1] field\n    *[other] fields\n} {$field_names} of {$variant_descr} `{$def_path_str}` {$len ->\n    [1] is\n    *[other] are\n} private")));
                        diag.code(E0451);
                        ;
                        diag.arg("field_names", __binding_2);
                        diag.arg("variant_descr", __binding_3);
                        diag.arg("def_path_str", __binding_4);
                        diag.arg("len", __binding_6);
                        diag.span(__binding_0);
                        if let Some(__binding_1) = __binding_1 {
                            diag.span_label(__binding_1,
                                rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("in this type")));
                        }
                        for __binding_5 in __binding_5 {
                            diag.subdiagnostic(__binding_5);
                        }
                        diag
                    }
                }
            }
        }
    };Diagnostic)]
7#[diag("{$len ->
8    [1] field
9    *[other] fields
10} {$field_names} of {$variant_descr} `{$def_path_str}` {$len ->
11    [1] is
12    *[other] are
13} private", code = E0451)]
14pub(crate) struct FieldIsPrivate {
15    #[primary_span]
16    pub span: MultiSpan,
17    #[label("in this type")]
18    pub struct_span: Option<Span>,
19    pub field_names: String,
20    pub variant_descr: &'static str,
21    pub def_path_str: String,
22    #[subdiagnostic]
23    pub labels: Vec<FieldIsPrivateLabel>,
24    pub len: usize,
25}
26
27#[derive(const _: () =
    {
        impl rustc_errors::Subdiagnostic for FieldIsPrivateLabel {
            fn add_to_diag<__G>(self, diag: &mut rustc_errors::Diag<'_, __G>)
                where __G: rustc_errors::EmissionGuarantee {
                match self {
                    FieldIsPrivateLabel::IsUpdateSyntax {
                        span: __binding_0,
                        rest_field_names: __binding_1,
                        rest_len: __binding_2 } => {
                        diag.store_args();
                        diag.arg("rest_field_names", __binding_1);
                        diag.arg("rest_len", __binding_2);
                        let __message =
                            diag.eagerly_translate(rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("{$rest_len ->\n            [1] field\n            *[other] fields\n        } {$rest_field_names} {$rest_len ->\n            [1] is\n            *[other] are\n        } private")));
                        diag.span_label(__binding_0, __message);
                        diag.restore_args();
                    }
                    FieldIsPrivateLabel::Other { span: __binding_0 } => {
                        diag.store_args();
                        let __message =
                            diag.eagerly_translate(rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("private field")));
                        diag.span_label(__binding_0, __message);
                        diag.restore_args();
                    }
                }
            }
        }
    };Subdiagnostic)]
28pub(crate) enum FieldIsPrivateLabel {
29    #[label(
30        "{$rest_len ->
31            [1] field
32            *[other] fields
33        } {$rest_field_names} {$rest_len ->
34            [1] is
35            *[other] are
36        } private"
37    )]
38    IsUpdateSyntax {
39        #[primary_span]
40        span: Span,
41        rest_field_names: String,
42        rest_len: usize,
43    },
44    #[label("private field")]
45    Other {
46        #[primary_span]
47        span: Span,
48    },
49}
50
51#[derive(const _: () =
    {
        impl<'_sess, 'a, G> rustc_errors::Diagnostic<'_sess, G> for
            ItemIsPrivate<'a> where G: rustc_errors::EmissionGuarantee {
            #[track_caller]
            fn into_diag(self, dcx: rustc_errors::DiagCtxtHandle<'_sess>,
                level: rustc_errors::Level) -> rustc_errors::Diag<'_sess, G> {
                match self {
                    ItemIsPrivate {
                        span: __binding_0, kind: __binding_1, descr: __binding_2 }
                        => {
                        let mut diag =
                            rustc_errors::Diag::new(dcx, level,
                                rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("{$kind} `{$descr}` is private")));
                        ;
                        diag.arg("kind", __binding_1);
                        diag.arg("descr", __binding_2);
                        diag.span(__binding_0);
                        diag.span_label(__binding_0,
                            rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("private {$kind}")));
                        diag
                    }
                }
            }
        }
    };Diagnostic)]
52#[diag("{$kind} `{$descr}` is private")]
53pub(crate) struct ItemIsPrivate<'a> {
54    #[primary_span]
55    #[label("private {$kind}")]
56    pub span: Span,
57    pub kind: &'a str,
58    pub descr: DiagArgFromDisplay<'a>,
59}
60
61#[derive(const _: () =
    {
        impl<'_sess, G> rustc_errors::Diagnostic<'_sess, G> for
            UnnamedItemIsPrivate where G: rustc_errors::EmissionGuarantee {
            #[track_caller]
            fn into_diag(self, dcx: rustc_errors::DiagCtxtHandle<'_sess>,
                level: rustc_errors::Level) -> rustc_errors::Diag<'_sess, G> {
                match self {
                    UnnamedItemIsPrivate { span: __binding_0, kind: __binding_1
                        } => {
                        let mut diag =
                            rustc_errors::Diag::new(dcx, level,
                                rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("{$kind} is private")));
                        ;
                        diag.arg("kind", __binding_1);
                        diag.span(__binding_0);
                        diag
                    }
                }
            }
        }
    };Diagnostic)]
62#[diag("{$kind} is private")]
63pub(crate) struct UnnamedItemIsPrivate {
64    #[primary_span]
65    pub span: Span,
66    pub kind: &'static str,
67}
68
69#[derive(const _: () =
    {
        impl<'_sess, 'a, G> rustc_errors::Diagnostic<'_sess, G> for
            InPublicInterface<'a> where G: rustc_errors::EmissionGuarantee {
            #[track_caller]
            fn into_diag(self, dcx: rustc_errors::DiagCtxtHandle<'_sess>,
                level: rustc_errors::Level) -> rustc_errors::Diag<'_sess, G> {
                match self {
                    InPublicInterface {
                        span: __binding_0,
                        vis_descr: __binding_1,
                        kind: __binding_2,
                        descr: __binding_3,
                        vis_span: __binding_4 } => {
                        let mut diag =
                            rustc_errors::Diag::new(dcx, level,
                                rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("{$vis_descr} {$kind} `{$descr}` in public interface")));
                        diag.code(E0446);
                        ;
                        diag.arg("vis_descr", __binding_1);
                        diag.arg("kind", __binding_2);
                        diag.arg("descr", __binding_3);
                        diag.span(__binding_0);
                        diag.span_label(__binding_0,
                            rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("can't leak {$vis_descr} {$kind}")));
                        diag.span_label(__binding_4,
                            rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("`{$descr}` declared as {$vis_descr}")));
                        diag
                    }
                }
            }
        }
    };Diagnostic)]
70#[diag("{$vis_descr} {$kind} `{$descr}` in public interface", code = E0446)]
71pub(crate) struct InPublicInterface<'a> {
72    #[primary_span]
73    #[label("can't leak {$vis_descr} {$kind}")]
74    pub span: Span,
75    pub vis_descr: &'static str,
76    pub kind: &'a str,
77    pub descr: DiagArgFromDisplay<'a>,
78    #[label("`{$descr}` declared as {$vis_descr}")]
79    pub vis_span: Span,
80}
81
82#[derive(const _: () =
    {
        impl<'_sess, G> rustc_errors::Diagnostic<'_sess, G> for
            ReportEffectiveVisibility where G: rustc_errors::EmissionGuarantee
            {
            #[track_caller]
            fn into_diag(self, dcx: rustc_errors::DiagCtxtHandle<'_sess>,
                level: rustc_errors::Level) -> rustc_errors::Diag<'_sess, G> {
                match self {
                    ReportEffectiveVisibility {
                        span: __binding_0, descr: __binding_1 } => {
                        let mut diag =
                            rustc_errors::Diag::new(dcx, level,
                                rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("{$descr}")));
                        ;
                        diag.arg("descr", __binding_1);
                        diag.span(__binding_0);
                        diag
                    }
                }
            }
        }
    };Diagnostic)]
83#[diag("{$descr}")]
84pub(crate) struct ReportEffectiveVisibility {
85    #[primary_span]
86    pub span: Span,
87    pub descr: String,
88}
89
90#[derive(const _: () =
    {
        impl<'__a, 'a> rustc_errors::LintDiagnostic<'__a, ()> for
            FromPrivateDependencyInPublicInterface<'a> {
            #[track_caller]
            fn decorate_lint<'__b>(self,
                diag: &'__b mut rustc_errors::Diag<'__a, ()>) {
                match self {
                    FromPrivateDependencyInPublicInterface {
                        kind: __binding_0, descr: __binding_1, krate: __binding_2 }
                        => {
                        diag.primary_message(rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("{$kind} `{$descr}` from private dependency '{$krate}' in public interface")));
                        ;
                        diag.arg("kind", __binding_0);
                        diag.arg("descr", __binding_1);
                        diag.arg("krate", __binding_2);
                        diag
                    }
                };
            }
        }
    };LintDiagnostic)]
91#[diag("{$kind} `{$descr}` from private dependency '{$krate}' in public interface")]
92pub(crate) struct FromPrivateDependencyInPublicInterface<'a> {
93    pub kind: &'a str,
94    pub descr: DiagArgFromDisplay<'a>,
95    pub krate: Symbol,
96}
97
98#[derive(const _: () =
    {
        impl<'__a, 'a> rustc_errors::LintDiagnostic<'__a, ()> for
            UnnameableTypesLint<'a> {
            #[track_caller]
            fn decorate_lint<'__b>(self,
                diag: &'__b mut rustc_errors::Diag<'__a, ()>) {
                match self {
                    UnnameableTypesLint {
                        span: __binding_0,
                        kind: __binding_1,
                        descr: __binding_2,
                        reachable_vis: __binding_3,
                        reexported_vis: __binding_4 } => {
                        diag.primary_message(rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("{$kind} `{$descr}` is reachable but cannot be named")));
                        ;
                        diag.arg("kind", __binding_1);
                        diag.arg("descr", __binding_2);
                        diag.arg("reachable_vis", __binding_3);
                        diag.arg("reexported_vis", __binding_4);
                        diag.span_label(__binding_0,
                            rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("reachable at visibility `{$reachable_vis}`, but can only be named at visibility `{$reexported_vis}`")));
                        diag
                    }
                };
            }
        }
    };LintDiagnostic)]
99#[diag("{$kind} `{$descr}` is reachable but cannot be named")]
100pub(crate) struct UnnameableTypesLint<'a> {
101    #[label(
102        "reachable at visibility `{$reachable_vis}`, but can only be named at visibility `{$reexported_vis}`"
103    )]
104    pub span: Span,
105    pub kind: &'a str,
106    pub descr: DiagArgFromDisplay<'a>,
107    pub reachable_vis: &'a str,
108    pub reexported_vis: &'a str,
109}
110
111// Used for `private_interfaces` and `private_bounds` lints.
112// They will replace private-in-public errors and compatibility lints in future.
113// See https://rust-lang.github.io/rfcs/2145-type-privacy.html for more details.
114#[derive(const _: () =
    {
        impl<'__a, 'a> rustc_errors::LintDiagnostic<'__a, ()> for
            PrivateInterfacesOrBoundsLint<'a> {
            #[track_caller]
            fn decorate_lint<'__b>(self,
                diag: &'__b mut rustc_errors::Diag<'__a, ()>) {
                match self {
                    PrivateInterfacesOrBoundsLint {
                        item_span: __binding_0,
                        item_kind: __binding_1,
                        item_descr: __binding_2,
                        item_vis_descr: __binding_3,
                        ty_span: __binding_4,
                        ty_kind: __binding_5,
                        ty_descr: __binding_6,
                        ty_vis_descr: __binding_7 } => {
                        diag.primary_message(rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("{$ty_kind} `{$ty_descr}` is more private than the item `{$item_descr}`")));
                        ;
                        diag.arg("item_kind", __binding_1);
                        diag.arg("item_descr", __binding_2);
                        diag.arg("item_vis_descr", __binding_3);
                        diag.arg("ty_kind", __binding_5);
                        diag.arg("ty_descr", __binding_6);
                        diag.arg("ty_vis_descr", __binding_7);
                        diag.span_label(__binding_0,
                            rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("{$item_kind} `{$item_descr}` is reachable at visibility `{$item_vis_descr}`")));
                        diag.span_note(__binding_4,
                            rustc_errors::DiagMessage::Inline(std::borrow::Cow::Borrowed("but {$ty_kind} `{$ty_descr}` is only usable at visibility `{$ty_vis_descr}`")));
                        diag
                    }
                };
            }
        }
    };LintDiagnostic)]
115#[diag("{$ty_kind} `{$ty_descr}` is more private than the item `{$item_descr}`")]
116pub(crate) struct PrivateInterfacesOrBoundsLint<'a> {
117    #[label("{$item_kind} `{$item_descr}` is reachable at visibility `{$item_vis_descr}`")]
118    pub item_span: Span,
119    pub item_kind: &'a str,
120    pub item_descr: DiagArgFromDisplay<'a>,
121    pub item_vis_descr: &'a str,
122    #[note("but {$ty_kind} `{$ty_descr}` is only usable at visibility `{$ty_vis_descr}`")]
123    pub ty_span: Span,
124    pub ty_kind: &'a str,
125    pub ty_descr: DiagArgFromDisplay<'a>,
126    pub ty_vis_descr: &'a str,
127}