#!/usr/bin/env bash

SRC_DIR=$1
BUILD_DIR=$2

if [ ! -e "$SRC_DIR/gcc/rtl.def" ]
then
    echo "`$SRC_DIR' is not top directory of gcc source code"
    exit 1
fi

if [ ! -e "$BUILD_DIR/gcc/gtype-desc.h" ]
then
    echo "`$BUILD_DIR' is not top directory of gcc build"
    exit 1
fi

pushd "$SRC_DIR"
SRC_DIR=$PWD
popd

pushd "$BUILD_DIR"

etags $SRC_DIR/gcc/*.[hc] $SRC_DIR/include/*.[hc] $SRC_DIR/libiberty/*.[hc] $SRC_DIR/gcc/config/arm/*.[hc] $SRC_DIR/gcc/c-family/*.[hc] $SRC_DIR/gcc/lto/*.[hc] $SRC_DIR/gcc/cp/*.[hc] gcc/*.[hc] --language=none --regex='/DEF_RTL_EXPR(\([A-Z_]+\),/\1/' $SRC_DIR/gcc/rtl.def

popd