#! /bin/bash
################################################################################
# Check Build Errors
#
# Copyright (C) Nintendo.  All rights reserved.
#
# These coded instructions, statements, and computer programs contain
# proprietary information of Nintendo of America Inc. and/or Nintendo
# Company Ltd., and are protected by Federal copyright law.  They may
# not be disclosed to third parties or copied or duplicated in any form,
# in whole or in part, without the prior written consent of Nintendo.
#
# usage: ./check_build_errors.sh ${BUILD_LOG}
#    e.g)
#        ./check_build_errors.sh build_output.txt
#
###############################################################################
TMP_MESSAGES=${TMPDIR:-/tmp}/messages_$$.txt

function remove_temporary_files
{
    rm -f ${TMP_MESSAGES}
}

function interrupted
{
    echo "INTERRUPTED"
    remove_temporary_files
    exit 6
}

trap interrupted SIGINT

remove_temporary_files

# check for messages
# match lines which start with error
# match lines where the word error or errors is found
# exclude "-C error" (for example make -C error)
# match "permission denied" (but don't count as an error)
# match ": no such file or directory"
# Note: using -n to sed does not output unless there is a "p" command
# Also Note: using "I" makes the pattern case insensative
# exclude the warnings "-jn forced", "skip the hash", and "found in FST or locally" warnings
# lines with "is missing" are reported, except for the "if this option is missing" 
{
	sed -n	\
		-e '/-C error/Id'	\
		-e '/ has modification time.*in the future/Id' \
		-e '/Clock skew detected.  Your build may be incomplete/Id' \
		-e '/No rule to make target.*Stop/Ip' \
		-e '/[-A-Za-z0-9_\/]error/Id' \
		-e '/ 0 error(s)/Id'	\
		-e '/^\**error/Ip'		\
		-e '/\*\*\*.* Stop\./Ip'	\
		-e '/[^a-z0-9/.]error[s]*[ :(]/Ip'			\
		-e '/permission denied/Ip'	\
		-e '/: no such file or directory/Ip'	\
		-e '/rm: cannot remove /Ip'	\
		-e '/rm: error closing file/Ip'	\
		-e '/file data section size is 0byte./Id'	\
		-e '/has been deleted as it is empty./Id'	\
		-e '/Empty Section has been deleted./Id'	\
		-e '/Missing \[CODE\] or \[DATA\] directive/Id'	\
		-e '/problems were encountered while processing debug information/Id'	\
		-e '/warning/I{/-jn forced/Id;/[^ 	*]warnings*/Id;/warnings*[^ 	:]/Id;/skip the hash/Id;/found in FST or locally/Id;p}'	\
		-e '/is missing/I{/if this option is missing/Id;p}'	\
	$1
} > ${TMP_MESSAGES}

# get number of errors and warnings
error_num=`grep -i -w -e error ${TMP_MESSAGES} | wc -l`
warning_num=`grep -i -w -e warning ${TMP_MESSAGES} | wc -l`
missing_num=`grep -i -e "is missing" ${TMP_MESSAGES} | wc -l`

PATH_FROM_CAFE_ROOT=${PWD//$CAFE_ROOT\//}

# print out result
if [[ $error_num != 0 ]] ; then
	echo
	echo "=================================================================="
	echo "  BUILD RESULT ($PATH_FROM_CAFE_ROOT)"
	echo "=================================================================="
	echo "   Error  : $error_num"
	echo "   Warning: $warning_num"
	echo "   Missing: $missing_num"
	echo
	echo "--------------------------------"
	echo "-> Error Modules:"
	echo
	sed -n -e "/.*make.* \*\*\* \[.*\] Error /{s/.*make.* \*\*\* \[\(.*\)\] Error \(.*\)/\t\1 - Error \2/p}"	\
		-e "s/[0-9]*>\(.*\) - \(.*\) error(s).*/\t\1 - \2 error(s)/Ip"	\
		-e "/Errors: /{s/Errors: .*>//g;s'^.*/'  'g;s/: $//g;s/:/ - line: /g;p}" ${TMP_MESSAGES}
	echo

	if [[ $missing_num != 0 ]] ; then
		echo "-> Missing Modules:"
		echo
        grep -i "is missing" ${TMP_MESSAGES}
		echo
	fi
	
	echo "--------------------------------"
	echo "-> Error and Warning Log:"
	echo
	cat ${TMP_MESSAGES}
	echo

    remove_temporary_files	
	exit 1

else
#	echo "  ================================================================"
#	echo "  BUILD RESULT ($PATH_FROM_CAFE_ROOT)"
#	echo "  ================================================================"
#	echo "  Success! :^)8"
# print out result
	if [[ $warning_num != 0 ]] ; then
		echo "--------------------------------"
		echo "-> Error and Warning Log:"
		echo
		cat ${TMP_MESSAGES}
		echo
	fi	
    remove_temporary_files	
	exit 0
fi