feat: Waku v2 bridge

Issue #12610

vendor/github.com/leodido/go-urn/makefile

@@ -0,0 +1,39 @@
+SHELL := /bin/bash
+
+build: machine.go
+
+images: docs/urn.png
+
+machine.go: machine.go.rl
+	ragel -Z -G2 -e -o $@ $<
+	@sed -i '/^\/\/line/d' $@
+	@$(MAKE) -s file=$@ snake2camel
+	@gofmt -w -s $@
+
+docs/urn.dot: machine.go.rl
+	@mkdir -p docs
+	ragel -Z -e -Vp $< -o $@
+
+docs/urn.png: docs/urn.dot
+	dot $< -Tpng -o $@
+
+.PHONY: bench
+bench: *_test.go machine.go
+	go test -bench=. -benchmem -benchtime=5s ./...
+
+.PHONY: tests
+tests: *_test.go machine.go
+	go test -race -timeout 10s -coverprofile=coverage.out -covermode=atomic -v ./...
+
+.PHONY: clean
+clean:
+	@rm -rf docs
+	@rm -f machine.go
+
+.PHONY: snake2camel
+snake2camel:
+	@awk -i inplace '{ \
+	while ( match($$0, /(.*)([a-z]+[0-9]*)_([a-zA-Z0-9])(.*)/, cap) ) \
+	$$0 = cap[1] cap[2] toupper(cap[3]) cap[4]; \
+	print \
+	}' $(file)