#!/bin/bash
#
# Build ctags for a TinyOS application.  The application must compile cleanly,
# as output from the build is used to determine what source files to process.
#
# usage: [VARIANT=<variant>] [SENSORBOARD=<sensorboard>] tos-maketags <platform>
#
# One of VARIANT or SENSORBOARD might be used by a TinyOS application for code
# selection during conditional compile.
#
# R. Steve McKown <rsmckown@gmail.com>

cleanup()
{
  rm -f ctags.tmpm ctags.tmp[12] ctags.files
}

trap cleanup EXIT

if [ -z "$1" ]; then
  echo "usage: $0 <platform>" >&2
  exit 1
fi

appc=build/$1/app.c
CFLAGS=-v VARIANT=$VARIANT SENSORBOARD=$SENSORBOARD make "$1" >ctags.tmpm 2>&1
[ $? -ne 0 -o ! -f $appc ] && echo "$0: can't compile $1" >&2 && exit 1
grep "preprocessing" < ctags.tmpm | sed -e 's|^preprocessing ||' > ctags.tmp1
grep "^# [0-9]* " $appc | awk -F\" '{ print $2 }' | sort -u > ctags.tmp2
cat ctags.tmp[12] | sort -u > ctags.files
ctags -I nx_struct=struct -L ctags.files