ksim.in

#!/bin/bash
# -*- mode: sh -*-

prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@

function show_help() {
    cat <<EOF
Usage: ksim [OPTION]... [--] COMMAND ARGUMENTS

Run COMMAND with ARGUMENTS and under the ksim simulator.

  -o, --output=FILE           Output ksim messages to FILE.
  -f, --framebuffer[=FILE]    Output render target 0 to FILE as png.
      --trace[=TAGS]          Enable tracing for the given message tags.
                                Valid tags are 'debug', 'spam', 'warn', 'gem',
                                'cs', 'vf', 'vs', 'ps', 'eu', 'stub', 'all'.
                                Default value is 'stub,warn'.  With no argument,
                                turn on all tags.
      --breakpoint[=TAGS]     Trigger a breakpoint on the given message tags.
      --help           Display this help message and exit.

EOF

    exit 0
}

args=
device=0

while true; do
      case "$1" in
	  -q)
	      args="${args}quiet;"
	      shift
	      ;;
	  -o)
	      args="${args}file=$2;"
	      shift 2
	      ;;
	  -o*)
	      args="${args}file=${1##-o};"
	      shift
	      ;;
	  --output=*)
	      args="${args}file=${1##--output=};"
	      shift
	      ;;
	  -f)
	      case "$2" in
		  -*)
		      args="${args}framebuffer;"
		      shift 1
		      ;;
		  *)
		      args="${args}framebuffer=$2;"
		      shift 2
		      ;;
	      esac
	      ;;
	  -f*)
	      args="${args}framebuffer=${1##-f};"
	      shift
	      ;;
	  --framebuffer=*)
	      args="${args}framebuffer=${1##--framebuffer=};"
	      shift
	      ;;
	  --framebuffer)
	      args="${args}framebuffer;"
	      shift
	      ;;
	  -t)
	      case "$2" in
		  -*)
		      args="${args}trace;"
		      shift 1
		      ;;
		  *)
		      args="${args}trace=$2;"
		      shift 2
		      ;;
	      esac
	      ;;
	  -t*)
	      args="${args}trace=${1##-t};"
	      shift
	      ;;
	  --trace=*)
	      args="${args}trace=${1##--trace=};"
	      shift
	      ;;
	  --trace)
	      args="${args}trace=all;"
	      shift
	      ;;
	  --breakpoint=*)
	      args="${args}breakpoint=${1##--breakpoint=};"
	      shift
	      ;;
	  --stub=*)
	      ksim_stub_path=${1##--stub=};
	      shift
	      ;;
	  --help)
	      show_help
	      ;;
	  --)
	      shift
	      break
	      ;;
	  -*)
	      echo "ksim: invalid option: $1"
	      echo
	      show_help
	      ;;
	  *)
	      break
	      ;;
      esac
done

[ -z $1 ] && show_help

LD_PRELOAD=${ksim_stub_path:-${libdir}/ksim-stub.so}${LD_PPRELOAD:+:${LD_PRELOAD}} \
	KSIM_ARGS="$args" \
	exec -- "$@"