1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
//! Errors emitted by ast_passes.
use rustc_errors::{fluent, AddSubdiagnostic, Applicability, Diagnostic};
use rustc_macros::{SessionDiagnostic, SessionSubdiagnostic};
use rustc_span::{Span, Symbol};
use crate::ast_validation::ForbiddenLetReason;
#[derive(SessionDiagnostic)]
#[diag(ast_passes::forbidden_let)]
#[note]
pub struct ForbiddenLet {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub(crate) reason: ForbiddenLetReason,
}
impl AddSubdiagnostic for ForbiddenLetReason {
fn add_to_diagnostic(self, diag: &mut Diagnostic) {
match self {
Self::GenericForbidden => {}
Self::NotSupportedOr(span) => {
diag.span_note(span, fluent::ast_passes::not_supported_or);
}
Self::NotSupportedParentheses(span) => {
diag.span_note(span, fluent::ast_passes::not_supported_parentheses);
}
}
}
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::forbidden_let_stable)]
#[note]
pub struct ForbiddenLetStable {
#[primary_span]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::forbidden_assoc_constraint)]
pub struct ForbiddenAssocConstraint {
#[primary_span]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::keyword_lifetime)]
pub struct KeywordLifetime {
#[primary_span]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::invalid_label)]
pub struct InvalidLabel {
#[primary_span]
pub span: Span,
pub name: Symbol,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::invalid_visibility, code = "E0449")]
pub struct InvalidVisibility {
#[primary_span]
pub span: Span,
#[label(ast_passes::implied)]
pub implied: Option<Span>,
#[subdiagnostic]
pub note: Option<InvalidVisibilityNote>,
}
#[derive(SessionSubdiagnostic)]
pub enum InvalidVisibilityNote {
#[note(ast_passes::individual_impl_items)]
IndividualImplItems,
#[note(ast_passes::individual_foreign_items)]
IndividualForeignItems,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::trait_fn_const, code = "E0379")]
pub struct TraitFnConst {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::forbidden_lifetime_bound)]
pub struct ForbiddenLifetimeBound {
#[primary_span]
pub spans: Vec<Span>,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::forbidden_non_lifetime_param)]
pub struct ForbiddenNonLifetimeParam {
#[primary_span]
pub spans: Vec<Span>,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::fn_param_too_many)]
pub struct FnParamTooMany {
#[primary_span]
pub span: Span,
pub max_num_args: usize,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::fn_param_c_var_args_only)]
pub struct FnParamCVarArgsOnly {
#[primary_span]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::fn_param_c_var_args_not_last)]
pub struct FnParamCVarArgsNotLast {
#[primary_span]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::fn_param_doc_comment)]
pub struct FnParamDocComment {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::fn_param_forbidden_attr)]
pub struct FnParamForbiddenAttr {
#[primary_span]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::fn_param_forbidden_self)]
#[note]
pub struct FnParamForbiddenSelf {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(ast_passes::forbidden_default)]
pub struct ForbiddenDefault {
#[primary_span]
pub span: Span,
#[label]
pub def_span: Span,
}
#[derive(SessionDiagnostic)]
#[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(SessionDiagnostic)]
#[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(SessionDiagnostic)]
#[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(SessionDiagnostic)]
#[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(SessionDiagnostic)]
#[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(SessionDiagnostic)]
#[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(SessionDiagnostic)]
#[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 AddSubdiagnostic for ExternBlockSuggestion {
fn add_to_diagnostic(self, diag: &mut Diagnostic) {
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::ast_passes::extern_block_suggestion,
vec![(self.start_span, start_suggestion), (self.end_span, end_suggestion)],
Applicability::MaybeIncorrect,
);
}
}
|
