# -*- tclsh -*-
# FILE: "/home/joze/src/tclreadline/tclreadlineCompleter.tcl"
# LAST MODIFICATION: "Thu Sep 16 22:17:38 1999 (joze)"
# (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
# $Id$
# ---
#
# tclreadline -- gnu readline for tcl
# Copyright (C) 1999  Johannes Zellner
#

			# strip leading ::'s.
			#
			regsub -all {^::} $alias {} alias
			set namespc [namespace qualifiers $alias]
			set alias [namespace tail $alias]
		}

		# try first a specific completer, then, and only then
		# the tclreadline_complete_unknown.
		#
		foreach cmd [list ${alias} tclreadline_complete_unknown] {
			# puts stderr ${namespc}complete(${cmd})
			if {"" != [namespace eval ::tclreadline::${namespc} \
				[list info procs complete(${cmd})]]
			} {
				# puts found=|complete($cmd)|
				# to be more error-proof, we check here,

					[namespace eval ::tclreadline::${namespc} \
					[list complete(${cmd}) $part $start $end $line $pos $mod]]]\
					::tclreadline::errorMsg]
				} {
					error [list error during evaluation of `complete(${cmd})']
				}
				# puts stderr \nscript_result=|${script_result}|
				if {![string length ${script_result}] && \
					"tclreadline_complete_unknown" == ${cmd}
				} {
					# as we're here, the tclreadline_complete_unknown
					# returned an empty string. Fall thru and try
					# further fallback completers.
					#
				} else {
					# return also empty strings, if
					# they're from a specific completer.
					#
					return ${script_result}
				}
			}
			# set namespc ""; # no qualifiers for tclreadline_complete_unknown
		}

		# as we've reached here no valid specific completer

		1 { return [ChannelId ${text}] }
	}
	return ""
}

proc complete(time) {text start end line pos mod} {
	switch -- $pos {
		1 { return [BraceOrCommand $text $start $end $line $pos $mod] }
		2 { return [DisplayHints ?count?] }
	}
	return ""
}

proc complete(trace) {text start end line pos mod} {
	set cmd [Lindex ${line} 1]