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#!/bin/sh

set -e

cd build/$1

case "$1" in
	coverage)
		rm -rf src/lib/*
		rm -rf src/bin/*
		;;
	*)
		;;
esac

make check

case "$1" in
	coverage)
		;;
	*)
		exit 0
		;;
esac

gcov -tg src/lib/*.gcno src/bin/*.gcno | awk '
BEGIN {
	FS=":"
}

function miss(t){
	printf("%c %s:%d %s\n", t, file, line, src)
	missing_count++;
}

/^condition outcomes covered [0-9]+\/[1-9][0-9]*/ {
	if($0 ~ /0\//)
		skip_cond = 1
	else
		skip_cond = 0
	next
}

/^condition .* not covered/ {
	if(!skip_cond){
		miss("C")
		print $0
	}
	next
}

{
	hits = $1
	line = $2
	gsub(/ /, "", hits)
	gsub(/ /, "", line)

	if(line == 0)
		file=$NF

	src = ""
	for(n = 3; n <= NF; n++)
		src = src $n
	
	if(hits == "-")
		next
	if(hits ~ /^[1-9][0-9]*\*?$/)
		next

	miss("L")
	next
}

END {
	printf("\nMissing coverage: %d\n", missing_count);
}
'