catch { load {} tcc4tcl }
	}
	if {[info command ::tcc4tcl] == ""} {
		load [file join $dir tcc4tcl[info sharedlibextension]] tcc4tcl
	}

	set count 0

	proc lookupNamespace {name} {
		if {![string match "::*" $name]} {
			set nsfrom [uplevel 2 {namespace current}]    
			if {$nsfrom eq "::"} {
				set nsfrom ""
			}

			set name "${nsfrom}::${name}"
		}

		return $name
	}

	proc new {{output ""} {pkgName ""}} {
		variable dir
		variable count

		set handle ::tcc4tcl::tcc_[incr count]

				set cmd "go"
				set args [list 1 {*}$args]
			}

			set callcmd ::tcc4tcl::_$cmd

			if {[info command $callcmd] == ""} {
				return -code error "unknown or ambiguous subcommand \"$cmd\": must be cwrap, ccode, cproc, delete, linktclcommand, code, tk, add_include_path, add_library_path, add_library, or go"
				return -code error "unknown or ambiguous subcommand \"$cmd\": must be cwrap, ccode, cproc, ccommand, delete, linktclcommand, code, tk, add_include_path, add_library_path, add_library, or go"
			}

			uplevel 1 [list $callcmd $handle {*}$args]
		}]

		return $handle
	}

	proc _linktclcommand {handle cSymbol args} {
		upvar #0 $handle state
		set argc [llength $args]
		if {$argc != 1 && $argc != 2} {
			return -code error "_linktclcommand handle cSymbol tclCommand ?clientData?"
		}

		lappend state(procs) $cSymbol $args
	}

	proc _ccommand {handle tclCommand argList body} {
		upvar #0 $handle state

		set tclCommand [lookupNamespace $tclCommand]

		set cSymbol [cleanname [namespace tail $tclCommand]]

		lappend state(procs) $tclCommand [list $cSymbol]

		foreach {clientData interp objc objv} $argList {}
		set cArgList "ClientData $clientData, Tcl_Interp *$interp, int $objc, Tcl_Obj *CONST $objv\[\]"

		append state(code) "int $cSymbol\($cArgList) {\n$body\n}\n"

		return
	}

	proc _add_include_path {handle args} {
		upvar #0 $handle state

		lappend state(add_inc_path) {*}$args
	}

	if {$cname == ""} {
		set cname c_[tcc4tcl::cleanname $name]
	}

	set wname tcl_[tcc4tcl::cleanname $name]

	# Fully qualified proc name
	if {![string match "::*" $name]} {
		set nsfrom [uplevel 1 {namespace current}]    
		if {$nsfrom eq "::"} {
			set nsfrom ""
		}

	set name [lookupNamespace $name]
		set name "${nsfrom}::${name}"
	}

	array set types {}
	set varnames {}
	set cargs {}
	set cnames {}  
	set cbody {}
	set code {}

	return(x + y);
}
set testVal [testClientData 1]
if {$testVal != "4"} {
	error "\[ClientData\] Invalid value: $testVal, should have been 4"
}

set handle [tcc4tcl::new]
$handle ccommand testCCommand {dummy ip objc objv} {
	Tcl_SetObjResult(ip, Tcl_NewStringObj("OKAY", 4));

	return(TCL_OK);
}
$handle go
if {[testCCommand] ne "OKAY"} {
	error "\[testCCommand\] Invalid result"
}

exit 0