#!/bin/sh
#
# @configure_input@
#
# Copyright (C) 1997 Free Software Foundation, Inc.
#
# Author: Ovidiu Predescu <ovidiu@net-community.com>
# Date: October 1997
# 
# This file is part of the GNUstep Makefile Package.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# You should have received a copy of the GNU General Public
# License along with this library; see the file COPYING.LIB.
# If not, write to the Free Software Foundation,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

# Execute gdb for the application passed as argument. The application is
# searched through the GNUstep directories if a complete or relative path name
# is not specified. The arguments passed after the application name are passed
# unmodified to the application.

if [ -z "$1" ]; then
  echo usage: `basename "$0"` [--library-combo=...] [--gdb=...] application [arguments...]
  echo `basename "$0"` --help for help
  exit 1
fi

if [ -z "$EXEEXT" ]; then
  EXEEXT=@EXEEXT@
fi
if [ -z "$LIBRARY_COMBO" ]; then
  LIBRARY_COMBO=@ac_cv_library_combo@
fi
if [ -z "$GDB" ]; then
  GDB=gdb
fi

# Read command line arguments now
while [ x"$1" != x ]; do
  case "$1" in
    --help)
      echo usage: `basename "$0"` [--library-combo=...] [--gbd=...] application [arguments...]
      echo
      echo [--library-combo=...] specifies a GNUstep backend to use.
      echo It overrides the default LIBRARY_COMBO environment variable.
      echo --library-combo=gnu for GNUstep 
      echo --library-combo=nx for NeXT OPENSTEP
      echo --library-combo=apple for Apple OSX
      echo
      echo [--gdb=...] specifies the debugger to use.
      echo It overrides the default GDB environment variable.  If the --gdb=...
      echo flag is not used, and the GDB variable is not set, then the program
      echo called \"gdb\" is invoked.
      echo
      echo application is the complete or relative name of the application
      echo program with the .app or .debug extension, like Edit.debug.
      echo
      echo [arguments...] are the arguments to the application.
      exit 0
      ;;

    --library-combo=*)
      LIBRARY_COMBO=`echo "$1" | sed 's/--library-combo=//'`
      shift;;

    --gdb=*)
      GDB=`echo "$1" | sed 's/--gdb=//'`
      shift;;

    *)
      app="$1";
      shift;;
  esac
done

if [ "$LIBRARY_COMBO" = nx ]; then
  LIBRARY_COMBO=nx-nx-nx
elif [ "$LIBRARY_COMBO" = gnu ]; then
  LIBRARY_COMBO=gnu-gnu-gnu
elif [ "$LIBRARY_COMBO" = fd ]; then
  LIBRARY_COMBO=gnu-fd
elif [ "$LIBRARY_COMBO" = apple ]; then
  LIBRARY_COMBO=apple-apple-apple
fi

# Remove leading slashes at the end of the application name
app="`echo \"$app\" | sed 's%/*$%%'`"

case "$app" in
  /*)	# An absolute path.
	full_appname="$app";;
  */*)	# A relative path
	full_appname="`(cd \"$app\"; pwd)`";;
  *)	# A path that should be searched into the GNUstep paths
	if [ -n "$GNUSTEP_PATHLIST" ]; then
	    SPATH="$GNUSTEP_PATHLIST"
	else
	    SPATH="$PATH"
	fi
	SPATH=".:$SPATH"
	IFS=:
	for dir in $SPATH; do
	  if [ -d "$dir/Applications/$app" ]; then
	    full_appname="`(cd \"$dir/Applications/$app\"; pwd)`"
	    break;
	  fi
	  if [ -d "$dir/$app" ]; then
	    full_appname="`(cd \"$dir/$app\"; pwd)`"
	    break;
	  fi
	done;;
esac

# Search for a core file in the current directory.
corearg=
corefiles="core*"
for corefile in $corefiles; do
  if [ -f "$corefile" ]; then
    echo -e "Core image ($corefile) has been found in working directory. Use it (y/n)? ";
    # Need an argument here for Solaris
    read REPLY;
    if [ $REPLY = y ]; then
      echo -e "Using it.";
      corearg="--core=$corefile";
      break;
    else
      echo -e "Ignoring it.";
    fi
  fi
done
unset corefile
unset corefiles

if [ -z "$full_appname" ]; then
  echo "Can't find the required application: $app!"
  exit 1
fi

if [ -z "$GNUSTEP_MAKEFILES" ]; then
  GNUSTEP_MAKEFILES = $GNUSTEP_SYSTEM_ROOT/Library/Makefiles
fi

if [ -z "$GNUSTEP_FLATTENED" ]; then
	#
	# Determine the host information
	#
	if [ -z "$GNUSTEP_HOST" ]; then
	    GNUSTEP_HOST=`$GNUSTEP_MAKEFILES/config.guess`
	    GNUSTEP_HOST=`$GNUSTEP_MAKEFILES/config.sub $GNUSTEP_HOST`
	    export GNUSTEP_HOST
	fi
	if [ -z "$GNUSTEP_HOST_CPU" ]; then
	    GNUSTEP_HOST_CPU=`$GNUSTEP_MAKEFILES/cpu.sh $GNUSTEP_HOST`
	    GNUSTEP_HOST_CPU=`$GNUSTEP_MAKEFILES/clean_cpu.sh $GNUSTEP_HOST_CPU`
	    export GNUSTEP_HOST_CPU
	fi
	if [ -z "$GNUSTEP_HOST_VENDOR" ]; then
	    GNUSTEP_HOST_VENDOR=`$GNUSTEP_MAKEFILES/vendor.sh $GNUSTEP_HOST`
	    GNUSTEP_HOST_VENDOR=`$GNUSTEP_MAKEFILES/clean_vendor.sh $GNUSTEP_HOST_VENDOR`
	    export GNUSTEP_HOST_VENDOR
	fi
	if [ -z "$GNUSTEP_HOST_OS" ]; then
	    GNUSTEP_HOST_OS=`$GNUSTEP_MAKEFILES/os.sh $GNUSTEP_HOST`
	    GNUSTEP_HOST_OS=`$GNUSTEP_MAKEFILES/clean_os.sh $GNUSTEP_HOST_OS`
	   export GNUSTEP_HOST_OS
	fi
	
	if [ "$LIBRARY_COMBO" = nx-nx-nx -a "$GNUSTEP_HOST_OS" = nextstep4 ]; then
	  if [ -f "$full_appname/library_paths.openapp" ]; then
	    additional_library_paths="`cat \"$full_appname/library_paths.openapp\"`"
	  fi
	fi
else
  if [ -f "$full_appname/library_paths.openapp" ]; then
    additional_library_paths="`cat \"$full_appname/library_paths.openapp\"`"
  fi
fi

appname="`echo \"$app\" | sed 's/\.[a-z]*$//'`"
appname="`basename \"$appname\"`"
appname="$appname$EXEEXT"
. "$GNUSTEP_MAKEFILES/ld_lib_path.sh"


if [ "$LIBRARY_COMBO" = "apple-apple-apple" ]; then
  if [ ! -f "$full_appname/Contents/MacOS/$appname" ]; then
    echo "$full_appname application does not have a binary for this kind of machine and operating system."
    exit 1
  fi

  if [ -z "$corearg" ]; then
    "$GDB" "$full_appname/Contents/MacOS/$appname"
  else
    "$GDB" "$full_appname/Contents/MacOS/$appname" "$corearg"
  fi

else
  # Determine if the application has a binary for this operating system
  if [ -z "$GNUSTEP_FLATTENED" -a ! -d "$full_appname/$GNUSTEP_HOST_CPU/$GNUSTEP_HOST_OS" ]; then
    echo "$full_appname application does not have a binary for this kind of machine and operating system."
    exit 1
  fi

  if [ -z "$GNUSTEP_FLATTENED" -a ! -d "$full_appname/$GNUSTEP_HOST_CPU/$GNUSTEP_HOST_OS/$LIBRARY_COMBO" ]; then
    echo "$full_appname application does not have a binary for this combination of libraries: $LIBRARY_COMBO."
    exit 1
  fi

  if [ -z "$GNUSTEP_FLATTENED" ]; then
    file_appname="$full_appname/$GNUSTEP_HOST_CPU/$GNUSTEP_HOST_OS/$LIBRARY_COMBO/$appname"
  else
    file_appname="$full_appname/$appname"
  fi

  # Old versions of gdb don't support --args, so we only use it if
  # 'gdb --help' lists it.
  args=
  if (gdb --help | grep -e '\-\-args' > /dev/null); then
    args="--args"
  fi

  if [ -z "$corearg" ]; then

    # Arguments passed to debugapp are passed over to the
    # application, in the same way as it happens for openapp.
    "$GDB" $args "$file_appname" "$@"
  else
    "$GDB" "$file_appname" "$corearg"
  fi
fi