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
use infer::canonical::Canonical;
use hir::def_id::{CrateNum, DefId, LOCAL_CRATE, DefIndex};
use ty::{self, Ty, TyCtxt};
use ty::subst::Substs;
use ty::fast_reject::SimplifiedType;
use mir;
use std::fmt::Debug;
use std::hash::Hash;
use syntax_pos::{Span, DUMMY_SP};
use syntax_pos::symbol::InternedString;
pub(super) trait Key: Clone + Hash + Eq + Debug {
fn query_crate(&self) -> CrateNum;
fn default_span(&self, tcx: TyCtxt) -> Span;
}
impl<'tcx> Key for ty::InstanceDef<'tcx> {
fn query_crate(&self) -> CrateNum {
LOCAL_CRATE
}
fn default_span(&self, tcx: TyCtxt) -> Span {
tcx.def_span(self.def_id())
}
}
impl<'tcx> Key for ty::Instance<'tcx> {
fn query_crate(&self) -> CrateNum {
LOCAL_CRATE
}
fn default_span(&self, tcx: TyCtxt) -> Span {
tcx.def_span(self.def_id())
}
}
impl<'tcx> Key for mir::interpret::GlobalId<'tcx> {
fn query_crate(&self) -> CrateNum {
self.instance.query_crate()
}
fn default_span(&self, tcx: TyCtxt) -> Span {
self.instance.default_span(tcx)
}
}
impl Key for CrateNum {
fn query_crate(&self) -> CrateNum {
*self
}
fn default_span(&self, _: TyCtxt) -> Span {
DUMMY_SP
}
}
impl Key for DefIndex {
fn query_crate(&self) -> CrateNum {
LOCAL_CRATE
}
fn default_span(&self, _tcx: TyCtxt) -> Span {
DUMMY_SP
}
}
impl Key for DefId {
fn query_crate(&self) -> CrateNum {
self.krate
}
fn default_span(&self, tcx: TyCtxt) -> Span {
tcx.def_span(*self)
}
}
impl Key for (DefId, DefId) {
fn query_crate(&self) -> CrateNum {
self.0.krate
}
fn default_span(&self, tcx: TyCtxt) -> Span {
self.1.default_span(tcx)
}
}
impl Key for (CrateNum, DefId) {
fn query_crate(&self) -> CrateNum {
self.0
}
fn default_span(&self, tcx: TyCtxt) -> Span {
self.1.default_span(tcx)
}
}
impl Key for (DefId, SimplifiedType) {
fn query_crate(&self) -> CrateNum {
self.0.krate
}
fn default_span(&self, tcx: TyCtxt) -> Span {
self.0.default_span(tcx)
}
}
impl<'tcx> Key for (DefId, &'tcx Substs<'tcx>) {
fn query_crate(&self) -> CrateNum {
self.0.krate
}
fn default_span(&self, tcx: TyCtxt) -> Span {
self.0.default_span(tcx)
}
}
impl<'tcx> Key for (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>) {
fn query_crate(&self) -> CrateNum {
self.1.def_id().krate
}
fn default_span(&self, tcx: TyCtxt) -> Span {
tcx.def_span(self.1.def_id())
}
}
impl<'tcx> Key for ty::PolyTraitRef<'tcx>{
fn query_crate(&self) -> CrateNum {
self.def_id().krate
}
fn default_span(&self, tcx: TyCtxt) -> Span {
tcx.def_span(self.def_id())
}
}
impl<'tcx> Key for &'tcx ty::Const<'tcx> {
fn query_crate(&self) -> CrateNum {
LOCAL_CRATE
}
fn default_span(&self, _: TyCtxt) -> Span {
DUMMY_SP
}
}
impl<'tcx> Key for Ty<'tcx> {
fn query_crate(&self) -> CrateNum {
LOCAL_CRATE
}
fn default_span(&self, _: TyCtxt) -> Span {
DUMMY_SP
}
}
impl<'tcx> Key for ty::ParamEnv<'tcx> {
fn query_crate(&self) -> CrateNum {
LOCAL_CRATE
}
fn default_span(&self, _: TyCtxt) -> Span {
DUMMY_SP
}
}
impl<'tcx, T: Key> Key for ty::ParamEnvAnd<'tcx, T> {
fn query_crate(&self) -> CrateNum {
self.value.query_crate()
}
fn default_span(&self, tcx: TyCtxt) -> Span {
self.value.default_span(tcx)
}
}
impl Key for InternedString {
fn query_crate(&self) -> CrateNum {
LOCAL_CRATE
}
fn default_span(&self, _tcx: TyCtxt) -> Span {
DUMMY_SP
}
}
impl<'tcx, T> Key for Canonical<'tcx, T>
where
T: Debug + Hash + Clone + Eq,
{
fn query_crate(&self) -> CrateNum {
LOCAL_CRATE
}
fn default_span(&self, _tcx: TyCtxt) -> Span {
DUMMY_SP
}
}