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
|
.DEFAULT_GOAL = all
.SECONDARY:
.DELETE_ON_ERROR:
btrfsitem/items.txt: btrfsitem $(wildcard btrfsitem/item_*.go) $(MAKEFILE_LIST)
sed -En 's,^type (\S+) .* // (.*=.*),\1 \2,p' $(sort $(filter btrfsitem/item_%.go,$^)) | while read -r typ keys; do for key in $$keys; do echo "$$key" "$$typ"; done; done >$@
files += btrfsitem/items.txt
btrfsitem/items_gen.go: btrfsitem/items.txt $(MAKEFILE_LIST)
{ \
echo 'package $(@D)'; \
echo 'import ('; \
echo '"reflect"'; \
echo; \
echo '"lukeshu.com/btrfs-tools/pkg/btrfs/internal"'; \
echo ')'; \
echo 'const ('; \
sed -E 's,(.*)=(.*) (.*),\1_KEY=internal.\1_KEY,' $<; \
echo ')'; \
echo 'var keytype2gotype = map[Type]reflect.Type{'; \
sed -E 's|(.*)=(.*) (.*)|\1_KEY: reflect.TypeOf(\3{}),|' $<; \
echo '}'; \
sed -E 's,(.*)=(.*) (.*),\3,' $< | LC_COLLATE=C sort -u | sed 's,.*,func (&) isItem() {},'; \
} | gofmt >$@
files += btrfsitem/items_gen.go
internal/itemtype.go: btrfsitem/items.txt $(MAKEFILE_LIST)
{ \
echo 'package $(@D)'; \
echo 'import "fmt"'; \
echo 'type ItemType uint8'; \
echo 'const ('; \
sed -E 's,(.*)=(.*) (.*),\1_KEY=ItemType(\2),' $<; \
echo ')'; \
echo 'func (t ItemType) String() string {'; \
echo ' names := map[ItemType]string{'; \
sed -E 's@(.*)=(.*) (.*)@\1_KEY: "\1",@' $<; \
echo ' }'; \
echo ' if name, ok := names[t]; ok {'; \
echo ' return name'; \
echo ' }'; \
echo ' return fmt.Sprintf("%d", t)'; \
echo '}'; \
} | gofmt >$@
files += internal/itemtype.go
all: $(files)
.PHONY: all
clean:
rm -f -- $(files)
.PHONY: all
|
