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# Copyright (C) 2022-2023 Luke Shumaker <lukeshu@lukeshu.com>
#
# SPDX-License-Identifier: GPL-2.0-or-later
.DEFAULT_GOAL = all
.SECONDARY:
.DELETE_ON_ERROR:
btrfsitem/items.txt: btrfsitem $(wildcard btrfsitem/item_*.go) $(MAKEFILE_LIST)
{ \
sed -En 's,^type (\S+) .* // (trivial|complex) (.*=.*),\1 \2 \3,p' $(filter btrfsitem/item_%.go,$^) | while read -r typ class keys; do \
for key in $$keys; do \
echo "$$key" "$$class" "$$typ"; \
done; \
done; \
} | LC_COLLATE=C sort >$@
files += btrfsitem/items.txt
btrfsitem/items_gen.go: btrfsitem/items.txt $(MAKEFILE_LIST)
{ \
echo '// Code generated by Make. DO NOT EDIT.'; \
echo; \
echo 'package $(@D)'; \
echo 'import ('; \
echo '"reflect"'; \
echo; \
echo '"git.lukeshu.com/go/typedsync"'; \
echo; \
echo '"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsprim"'; \
echo ')'; \
echo 'const ('; \
sed -E 's/(.*)=(.*) (trivial|complex) (.*)/\1_KEY=btrfsprim.\1_KEY/' $<; \
echo ')'; \
echo 'var ('; \
sed -E 's/(.*)=(.*) (trivial|complex) (.*)/\4/p' $< | LC_COLLATE=C sort -u | sed 's/.*/\l&Type = reflect.TypeOf(&{})/'; \
echo ')'; \
echo '// keytype2gotype is used by UnmarshalItem.'; \
echo 'var keytype2gotype = map[Type]reflect.Type{'; \
sed -En 's/(.*)=([^:]*) (trivial|complex) (.*)/\1_KEY: \l\4Type,/p' $<; \
echo '}'; \
echo '// untypedObjID2gotype is used by UnmarshalItem.'; \
echo 'var untypedObjID2gotype = map[btrfsprim.ObjID]reflect.Type{'; \
sed -En 's/UNTYPED=0:(.*) (trivial|complex) (.*)/btrfsprim.\1: \l\3Type,/p' $<; \
echo '}'; \
echo '// Pools.'; \
echo 'var ('; \
sed -E 's/(.*)=(.*) (trivial|complex) (.*)/\4/p' $< | LC_COLLATE=C sort -u | sed 's/.*/\l&Pool = typedsync.Pool[Item]{New: func() Item { return new(&) }}/'; \
echo ')'; \
echo '// gotype2pool is used by UnmarshalItem.'; \
echo 'var gotype2pool = map[reflect.Type]*typedsync.Pool[Item]{'; \
sed -E 's/(.*)=(.*) (trivial|complex) (.*)/\4/p' $< | LC_COLLATE=C sort -u | sed 's/.*/\l&Type: \&\l&Pool,/'; \
echo '}'; \
echo '// isItem implements Item.'; \
sed -En 's/(.*)=(.*) (trivial|complex) (.+)/\4/p' $< | LC_COLLATE=C sort -u | sed 's/.*/func (*&) isItem() {}/'; \
echo '// Free implements Item.'; \
sed -En 's/(.*)=(.*) (trivial) (.+)/\4/p' $< | LC_COLLATE=C sort -u | sed 's/.*/func (o *&) Free() {*o = &{}; \l&Pool.Put(o)}/'; \
echo '// Clone is a handy method.'; \
sed -En 's/(.*)=(.*) (trivial) (.+)/\4/p' $< | LC_COLLATE=C sort -u | sed 's/.*/func (o &) Clone() & { return o }/'; \
echo '// CloneItem implements Item.'; \
sed -En 's/(.*)=(.*) (trivial|complex) (.+)/\4/p' $< | LC_COLLATE=C sort -u | sed 's/.*/func (o *&) CloneItem() Item { ret, _ := \l&Pool.Get(); *(ret.(*&)) = o.Clone(); return ret }/'; \
echo '// Item type assertions.'; \
echo 'var ('; \
sed -En 's/(.*)=(.*) (trivial|complex) (.+)/\4/p' $< | LC_COLLATE=C sort -u | sed 's/.*/_ Item = (*&)(nil)/'; \
echo ')'; \
echo '// Clone type assertions.'; \
echo 'var ('; \
sed -En 's/(.*)=(.*) (trivial|complex) (.+)/\4/p' $< | LC_COLLATE=C sort -u | sed 's/.*/_ interface{ Clone() & } = &{}/'; \
echo ')'; \
} | sed 's/uUID/uuid/g' | gofmt >$@
files += btrfsitem/items_gen.go
btrfsprim/itemtype.go: btrfsitem/items.txt $(MAKEFILE_LIST)
{ \
echo '// Code generated by Make. DO NOT EDIT.'; \
echo; \
echo 'package $(@D)'; \
echo 'import "fmt"'; \
echo 'type ItemType uint8'; \
echo 'const ('; \
sed -E 's,(.*)=([^:]*)(:.*)? (trivial|complex) (.*),\1_KEY=ItemType(\2),' $< | uniq; \
echo ')'; \
echo 'func (t ItemType) String() string {'; \
echo ' names := map[ItemType]string{'; \
sed -E 's@(.*)=(.*) (trivial|complex) (.*)@\1_KEY: "\1",@' $< | sed 's/"UUID_/&KEY_/'; \
echo ' }'; \
echo ' if name, ok := names[t]; ok {'; \
echo ' return name'; \
echo ' }'; \
echo ' return fmt.Sprintf("%d", t)'; \
echo '}'; \
} | gofmt >$@
files += btrfsprim/itemtype.go
all: $(files)
.PHONY: all
clean:
rm -f -- $(files)
.PHONY: all
|
