# Chapter 1 lab — reproduce every result in the chapter.
#
#   make escape   # print escape-analysis decisions (-m=2)
#   make inline   # print inlining/devirtualization decisions (Experiment 5)
#   make bench    # run allocation benchmarks
#   make golden   # capture reference outputs into ./golden
#
# Requires Go 1.25.

.PHONY: escape inline bench golden clean

escape:
	go build -gcflags='-m=2' ./... 2>&1 | grep -E 'heap|does not escape|escapes to heap|leaking|devirtualizing'

inline:
	go build -gcflags='-m=2' ./... 2>&1 | grep -E 'can inline|inlining call|devirtualizing|leaking'

bench:
	go test -bench=. -benchmem -count=6 .

golden:
	@mkdir -p golden
	go version > golden/go-version.txt
	go build -gcflags='-m=2' ./... 2>&1 | grep -E 'heap|does not escape|escapes to heap|leaking|devirtualizing' > golden/escape.txt || true
	go build -gcflags='-m=2' ./... 2>&1 | grep -E 'can inline|inlining call|devirtualizing|leaking' > golden/inline.txt || true
	go test -bench=. -benchmem -count=10 . | tee golden/bench.txt
	@echo "wrote golden/escape.txt, golden/inline.txt, golden/bench.txt, golden/go-version.txt"

clean:
	go clean
	rm -rf golden