#Colin O'Flynns magic SIG_ tester for the AVR, super-alpha release
#released under the GPL and all that good stuff
#if you actually using this right now you are clearly crazy

BEGIN{print "\n\n"}

#Uses preprocessed source code

#if line contains a interrupt, get the signal name
/([(][(]naked[)][)])|([(][(]interrupt[)][)])|([(][(]signal[)][)])/{

	#get the C source file name
	split(FILENAME, sourcefile, ".")
	csourcename = (sourcefile[1])(".c")

	if ($2 !~ /__vector_/){
		#grep for the bad interrupt name to find offending line
		#NOTE: Writes output to a temporary file cause I don't know of a better way to do this
		printf "grep -nH %s %s > interrupt_temp_name_NEVERNAMEAFILETHIS.out", $2, csourcename | "/bin/sh"
		close("/bin/sh")

		#Read the file to get the line information
		getline fileandline < "interrupt_temp_name_NEVERNAMEAFILETHIS.out"
		close("interrupt_temp_name_NEVERNAMEAFILETHIS.out")

		#Check we did find the information...
		if (match(fileandline, $2) == 0){
			#oh crap, that line wasn't found in the C file
			#grep for the bad interrupt name to find offending line in all .h files in directory now
			#incase user #define'd interrupt name... I just hope not in a file in another directory :|
			#NOTE: Writes output to a temporary file cause I don't know of a better way to do this
			printf "grep -nH %s *.h > interrupt_temp_name_NEVERNAMEAFILETHIS.out", $2, csourcename | "/bin/sh"
			close("/bin/sh")

			#Read the file to get the line information
			getline fileandline < "interrupt_temp_name_NEVERNAMEAFILETHIS.out"
			close("interrupt_temp_name_NEVERNAMEAFILETHIS.out")

			#tell the user where the include was from
			printf "In file probably included from %s:\n", csourcename
			}

		#just get the filename and line from the grep output
		split(fileandline, lineinfo, ":")

		#tell the user!
		printf "%s:%s: ERROR: %s is NOT a valid interrupt name for your device\n", lineinfo[1], lineinfo[2], $2

		#Delete temp file
		print "rm -f interrupt_temp_name_NEVERNAMEAFILETHIS.out" | "/bin/sh"
		close("/bin/sh")

		}
	else{
		printf "%s: Interrupt %s found OK\n",csourcename ,$2
		}

	}

END{print "\n\n"}