#!/bin/bash

if [ $# -eq 0 ]; then
    echo "Need to supply one or two arguments:";
    echo "    - first argument is the assembly file (e.g. abs.s)";
    echo "    - can optionally add '-g' as second argument to enable debugging";
# elif [ $# -ge 1 ]; then
else

  filename=$(basename "$1")
  extension="${filename##*.}"
  filename="${filename%.*}"

#  if [[ $# -eq 2 ]] && [[ $2 == "-g" ]]; then
  if [[ ( $# -eq 2 ) && ( $2 == "-g" ) ]]; then
    asm_debug="--gstabs";
    gcc_debug="-g";
  else
    asm_debug="";
    gcc_debug="";
  fi

#  echo "${extension} is the file ext";

  if [ ${extension} ==  "s" ]; then
     # assemble .s file
     echo "as --32 ${asm_debug} ${filename}.s -o ${filename}.o";
     as --32 ${asm_debug} ${filename}.s -o ${filename}.o

     # link object file to create executable
     echo "gcc -m32 ${gcc_debug} ${filename}.o -o ${filename}";
     gcc -m32 ${gcc_debug} ${filename}.o -o ${filename}
  else
     echo "${filename} is not an assembly file (.s file)";
  fi
fi