-
Notifications
You must be signed in to change notification settings - Fork 22
/
slotset.go
78 lines (67 loc) · 1.66 KB
/
slotset.go
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
/*
* Copyright 2022 ByteDance Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ssa
import (
`fmt`
`sort`
`strings`
)
type (
SlotSet map[IrSpillSlot]struct{}
)
func (self SlotSet) add(r IrSpillSlot) bool {
if _, ok := self[r]; ok {
return false
} else {
self[r] = struct{}{}
return true
}
}
func (self SlotSet) clone() (rs SlotSet) {
rs = make(SlotSet, len(self))
for r := range self { rs.add(r) }
return
}
func (self SlotSet) remove(r IrSpillSlot) bool {
if _, ok := self[r]; !ok {
return false
} else {
delete(self, r)
return true
}
}
func (self SlotSet) String() string {
nb := len(self)
rs := make([]string, 0, nb)
rr := make([]IrSpillSlot, 0, nb)
/* extract all slot */
for r := range self {
rr = append(rr, r)
}
/* sort by slot ID */
sort.Slice(rr, func(i int, j int) bool {
return rr[i] < rr[j]
})
/* convert every slot */
for _, r := range rr {
rs = append(rs, r.String())
}
/* join them together */
return fmt.Sprintf(
"{%s}",
strings.Join(rs, ", "),
)
}