#!/bin/sh
#STEP1:編譯核心,將編譯時的輸出資訊儲存到檔案中
#      make ARCH=arm > build_log.txt
#
#STEP2:修改指令碼變數&執行指令碼
#     ARCH=arm     -->改成相應平臺
#     MACH=omap2   -->改成相應平臺
# 	./sg.sh build_log.txt file_list.txt	
#STEP3:SourceInsight Project->Add and Remove Project File->Add from List 新增 file_list.txt
#
ARCH=arm
MACH=omap2
FILE_IN=$1
FILE_OUT=$2

# .c
SOURCE_LIST=""

# generated file list
FILE_LIST=""

# nest depth for function get_includes()
NEST_DTPTH=0

# recursive function, used to get included files from files.
# result is stored in FILE_LIST
# $1 : file list, e.g. "fs/ext4/file.c fs/ext4/fsync.c"
get_includes()
{
	local includes
	local file

	for file in $1
	do
		if [ ! -e ${file} ]; then
			continue
		fi

		if echo "${FILE_LIST}" | grep -E ${file} > /dev/null; then
			continue
		fi
		FILE_LIST="${FILE_LIST} ${file}"

		NEST_DTPTH=$((NEST_DTPTH+1))
		echo "<${NEST_DTPTH} : ${file}"

		includes=$(										\
			grep -E -H '^#include' ${file} |				\
			sed -r \
				-e '
 
[email protected]^.*<(acpi/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(asm-generic/.*)>@include/\[email protected]'\
				-e '[email protected]^.*<(config/.*)>@include/\[email protected]' 	\
				-e '[email protected]^.*<(crypto/.*)>@include/\
 
[email protected]' 	\
				-e '[email protected]^.*<(drm/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(generated/.*)>@include/\[email protected]' 	\
				-e '[email protected]^.*<(keys/.*)>@include/\[email protected]' 		\
				-e '[email protected]
 
^.*<(linux/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(math-emu/.*)>@include/\[email protected]' 	\
				-e '[email protected]^.*<(media/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(misc/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(mtd/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(net/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(pcmcia/.*)>@include/\[email protected]' 	\
				-e '[email protected]^.*<(rdma/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(rxrpc/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(scsi/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(sound/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(target/.*)>@include/\[email protected]' 	\
				-e '[email protected]^.*<(trace/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(uapi/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(video/.*)>@include/\[email protected]' 		\
				-e '[email protected]^.*<(xen/.*)>@include/\[email protected]' 		\
				-e "[email protected]^.*<(asm/.*)>@arch/${ARCH}/include/\1 arch/${ARCH}/include/generated/\[email protected]"	\
				-e "[email protected]^.*<(mach/.*)>@arch/${ARCH}/mach-${MACH}/include/\[email protected]"	\
				-e '[email protected](^.*/)[^/]+\.c.*\"(.*)\"@\1\[email protected]' 	\
				-e '[email protected]/\*.*@@' 							\
				-e '[email protected]^.*\#include.*[email protected]@'  				\
				-e '[email protected]^@ @' |							\
			sort | 										\
			uniq |										\
			tr -d '\n' | 								\
			tr -d '\r'									\
		)

		if [ -n "${includes}" ]; then
			get_includes "${includes}"
		fi
		echo ">${NEST_DTPTH}) : ${file}"
		NEST_DTPTH=$((NEST_DTPTH-1))
	done
}

# get *.c from kernel build log
SOURCE_LIST=$(						\
	grep -E '^\s*CC' ${FILE_IN} |	\
	sed -r 							\
		-e 's/^\s*CC\s*/ /'			\
		-e 's/\.o/\.c/'			|	\
	tr -d '\n' | 					\
	tr -d '\r'						\
)
echo ${SOURCE_LIST}
get_includes "${SOURCE_LIST}"

FILE_LIST=$(echo "${FILE_LIST}" | sed -r -e 's/\s/\r\n/g' )

echo "${FILE_LIST}" > ${FILE_OUT}