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Comment: Modified Files: share/vim/ft/tcl_ft.vim src/tclreadline/README src/tclreadline/configure.in src/tclreadline/tclreadline.h.in src/tclreadline/tclreadline.n.in src/tclreadline/tclreadlineSetup.tcl.in Added Files: bin/script/tcltags src/csym/version src/tclreadline/Makefile.in src/tclreadline/tclreadline.c src/tclreadline/tclreadlineConfig.sh.in src/tclreadline/tclreadlineInit.tcl.in
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SHA1: a912dd1a5abd3b68aa5fd4856f1f64ca54b72be3
User & Date: johannes@zellner.org on 1999-08-29 14:41:54
Other Links: manifest | tags
Context
1999-08-29
23:51
Modified Files: share/vim/VIM/vimrc src/tclreadline/tclreadlineSetup.tcl.in Added Files: src/csym/version src/tclreadline/Makefile.in src/tclreadline/tclreadline.c src/tclreadline/tclreadlineConfig.sh.in src/tclreadline/tclreadlineInit.tcl.in check-in: 1624ab45b9 user: johannes@zellner.org tags: trunk
14:41
Modified Files: share/vim/ft/tcl_ft.vim src/tclreadline/README src/tclreadline/configure.in src/tclreadline/tclreadline.h.in src/tclreadline/tclreadline.n.in src/tclreadline/tclreadlineSetup.tcl.in Added Files: bin/script/tcltags src/csym/version src/tclreadline/Makefile.in src/tclreadline/tclreadline.c src/tclreadline/tclreadlineConfig.sh.in src/tclreadline/tclreadlineInit.tcl.in check-in: a912dd1a5a user: johannes@zellner.org tags: trunk
1999-08-28
22:12
Modified Files: .csymrc .tclshrc src/csym/.csymrc src/tclreadline/README src/tclreadline/TODO src/tclreadline/configure.in src/tclreadline/sample.tclshrc src/tclreadline/tclreadline.n.in src/tclreadline/tclreadlineSetup.tcl.in Added Files: src/csym/version src/tclreadline/Makefile.in src/tclreadline/tclreadline.c src/tclreadline/tclreadlineConfig.sh.in src/tclreadline/tclreadlineInit.tcl.in check-in: f815040834 user: johannes@zellner.org tags: trunk
Changes
Hide Diffs Side-by-Side Diffs Ignore Whitespace Patch

Modified Makefile.in from [be38010fae] to [7eb121a1a9]. 

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# -*- make -*-
# FILE: "/krispc6/diska/home/joze/src/tclreadline/Makefile.in"
# LAST MODIFICATION: "Wed Aug 25 17:03:17 1999 (joze)"
# FILE: "/home/joze/src/tclreadline/Makefile.in"
# LAST MODIFICATION: "Sun Aug 29 08:23:45 1999 (joze)"
# (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
# $Id$
# ---
#
# tclreadline -- gnu readline for tcl
# Copyright (C) 1999  Johannes Zellner
#
︙
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tclreadline.o:	$(TOP_DIR)/tclreadline.c Makefile
	$(CC) -c $(CC_SWITCHES) $(TOP_DIR)/tclreadline.c


ctags:
	ctags -R

tcltags: ctags $(TCLFILES)
	tcltags -a $(TCLFILES)
tcltags: ctags tclreadlineInit.tcl.in tclreadlineSetup.tcl.in
	tcltags -a tclreadlineInit.tcl.in tclreadlineSetup.tcl.in

vimtags: tcltags
	vimtags

tags: vimtags
︙

Modified README from [37f97b7756] to [a27dd6baf6]. 

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    FILE: "/home/joze/src/tclreadline/README"
    LAST MODIFICATION: "Sat Aug 28 23:30:56 1999 (joze)"
    LAST MODIFICATION: "Sun Aug 29 01:00:01 1999 (joze)"
    (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
    $Id$
    ---

    tclreadline -- gnu readline for tcl
    Copyright (C) 1999  Johannes Zellner
︙
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          to this value.
          By default tclreadline::historyfile == -1, that
          is no truncation occurs.

    fixes:
        - after having at least one character typed, X events
          were not processed any more until pressing <return>.
        - catching `tclreadline::readline read' errors
          in tclreadline::Loop. This was necessary, because
          the evaluation of the script completer can return
          an error.


tclreadline-0.9.1: (Aug 1999)

    changes:
        - new variable tclreadline_patchLevel
        - tclreadline::Loop takes an optional <historyfile>
︙

Modified configure.in from [f2de18b30a] to [a0b87e53a8]. 

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# -*- autoconf -*-
# FILE: "/home/joze/src/tclreadline/configure.in"
# LAST MODIFICATION: "Sat Aug 28 22:23:57 1999 (joze)"
# LAST MODIFICATION: "Sun Aug 29 08:08:34 1999 (joze)"
# (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
# $Id$
# ---
#
# tclreadline -- gnu readline for tcl
# Copyright (C) 1999  Johannes Zellner
#
︙
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AC_INIT(tclreadline.c)

TCLREADLINE_MAJOR_VERSION=0
TCLREADLINE_MINOR_VERSION=9
TCLREADLINE_PATCHLEVEL=2
TCLREADLINE_VERSION=$TCLREADLINE_MAJOR_VERSION.$TCLREADLINE_MINOR_VERSION
TCLREADLINE_PATCHLEVEL_STR=${TCLREADLINE_VERSION}.${TCLREADLINE_PATCHLEVEL}
VERSION=$TCLREADLINE_VERSION


AC_PREREQ(2.13)
AC_CONFIG_AUX_DIR(./aux)
AC_CANONICAL_HOST
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# TODO: check for readline version
# (link testprogram with -lreadline)

AC_SUBST(TCLREADLINE_MAJOR_VERSION)
AC_SUBST(TCLREADLINE_MINOR_VERSION)
AC_SUBST(TCLREADLINE_VERSION)
AC_SUBST(TCLREADLINE_PATCHLEVEL)
AC_SUBST(TCLREADLINE_LIBRARY)
AC_SUBST(TCLREADLINE_PATCHLEVEL_STR)


AC_SUBST(TCL_LIB_DIR)
AC_SUBST(TCL_INCLUDE_DIR)
AC_SUBST(READLINE_INCLUDE_DIR)

AC_SUBST(CFLAGS)
AC_SUBST(DL_LIBS)
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AC_SUBST(TCLREADLINE_BUILD_LIB_SPEC)
AC_SUBST(TCLREADLINE_LIB_SPEC)

AC_SUBST(TCLREADLINE_LIB_DIR)
AC_SUBST(TCLREADLINE_PKG_FILE)

AC_SUBST(TCLREADLINE_PACKAGE_PATH)
AC_SUBST(TCLREADLINE_LIBRARY)


AC_OUTPUT(Makefile tclreadline.h tclreadlineInit.tcl tclreadlineSetup.tcl tclreadlineConfig.sh tclreadline.n pkgIndex.tcl)


#TCL_CC='cc'
#TCL_CFLAGS_DEBUG='-g'
︙

Modified tclreadline.c from [4b2effb6b7] to [9a72d128cc]. 

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 /* ==================================================================

    FILE: "/home/joze/src/tclreadline/tclreadline.c"
    LAST MODIFICATION: "Sat Aug 28 23:56:10 1999 (joze)"
    LAST MODIFICATION: "Sun Aug 29 15:04:07 1999 (joze)"
    (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
    $Id$
    ---

    tclreadline -- gnu readline for tcl
    Copyright (C) 1999  Johannes Zellner
︙
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    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

    <johannes@zellner.org>, http://www.zellner.org/tclreadline/

    ================================================================== */  


#include <tcl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define READLINE_LIBRARY
#include <readline.h>
#include <history.h>

#include <tclreadline.h>
#include "tclreadline.h"

#define MALLOC(size) Tcl_Alloc((int) size)
#define FREE(ptr) if (ptr) { Tcl_Free((char*) ptr); ptr = 0; }

enum {
    _CMD_SET     = (1 << 0),
    _CMD_GET     = (1 << 1)
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char* TclReadlineQuote(char* text, char* quotechars);
int TclReadlineCmd(ClientData clientData, Tcl_Interp* interp,
    int argc, char** argv);
void TclReadlineDataAvailableHandler(ClientData clientData, int mask);
void TclReadlineLineCompleteHandler(char* ptr);
int Tclreadline_SafeInit(Tcl_Interp* interp);
int Tclreadline_Init(Tcl_Interp* interp);
char *TclReadlineFilenameQuotingFunction(
    char *text, int match_type, char* quote_ptr);
int TclReadlineInitialize(Tcl_Interp* interp, char* historyfile);
int blank_line(char* str);
char** TclReadlineCompletion(char* text, int start, int end);
char* TclReadline0generator(char* text, int state);
char* TclReadlineKnownCommands(char* text, int state, int mode);
int TclReadlineParse(char** args, int maxargs, char* buf);
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        tclrl_state = TCL_OK;
        rl_callback_handler_install(argc == 3 ? argv[2] : "%",
                TclReadlineLineCompleteHandler);

        Tcl_CreateFileHandler(0, TCL_READABLE,
                TclReadlineDataAvailableHandler, (ClientData) NULL);

        /**
         * Main Loop.
         * XXX each modification of the global variables
         *     which terminates the main loop must call
         *     rl_callback_handler_remove() to leave
         *     readline in a defined state.          XXX
         */
        while (LINE_PENDING == tclrl_line_complete
            && TCL_OK == tclrl_state && !rl_done) {
            Tcl_DoOneEvent(0);
            /*
            rl_inhibit_completion = 0;
            */
        }

        Tcl_DeleteFileHandler(0);

        if (TCL_OK != tclrl_state)
            return tclrl_state; /* !! */

	if ((LINE_EOF == tclrl_line_complete) && tclrl_eof_string) {
	    Tcl_Eval(interp, tclrl_eof_string);
            return tclrl_state;
	}

        status = history_expand(tclrl_line, &expansion);
        if (status >= 1) {
#if 0
            Tcl_Channel channel = Tcl_MakeFileChannel(stdout, TCL_WRITABLE);
            /* Tcl_RegisterChannel(interp, channel); */
            (void) Tcl_WriteChars(channel, expansion, -1);
            Tcl_Flush(channel);
            Tcl_Close(interp, channel);
#else
            printf("%s\n", expansion);
#endif
        }
        else if (status == -1) {
            Tcl_AppendResult
                (interp, "error in history expansion\n", (char*) NULL);
            return TCL_ERROR;
            return tclrl_state;
        }
        /**
         * TODO: status == 2 ...
         */
        
        if (expansion && *expansion)
            add_history(expansion);
︙
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        tclrl_line_complete = LINE_COMPLETE;
        rl_callback_handler_remove();
        tclrl_line = ptr;
    }
#else
    if (ptr && *ptr) {
        tclrl_line_complete = 1;
        rl_callback_handler_remove ();
        rl_callback_handler_remove();
        tclrl_line = ptr;
    }
#endif
}

int
Tclreadline_SafeInit(Tcl_Interp *interp)
{
    return Tclreadline_Init(interp);
}

int
Tclreadline_Init(Tcl_Interp *interp)
{
    int status;
    Tcl_CreateCommand(interp, "::tclreadline::readline", TclReadlineCmd,
	    (ClientData) NULL, (Tcl_CmdDeleteProc *) NULL);
    tclrl_interp = interp;
    status = Tcl_LinkVar
        (interp, "::tclreadline::historyLength",
         (char*) &tclrl_history_length, TCL_LINK_INT);
    if (TCL_OK != status)
    if (TCL_OK != (status = Tcl_LinkVar(interp, "::tclreadline::historyLength",
                (char*) &tclrl_history_length, TCL_LINK_INT)))
        return status;
    if (TCL_OK != (status = Tcl_LinkVar(interp, "::tclreadline::library",
         (char*) &TCLRL_LIBRARY, TCL_LINK_STRING | TCL_LINK_READ_ONLY)))
        return status;
    if (TCL_OK != (status = Tcl_LinkVar(interp, "::tclreadline::version",
         (char*) &TCLRL_VERSION, TCL_LINK_STRING | TCL_LINK_READ_ONLY)))
        return status;
    if (TCL_OK != (status = Tcl_LinkVar(interp, "::tclreadline::patchLevel",
         (char*) &TCLRL_PATCHLEVEL, TCL_LINK_STRING | TCL_LINK_READ_ONLY)))
        return status;
    if (TCL_OK != (status = Tcl_LinkVar(interp, "tclreadline_library",
         (char*) &TCLRL_LIBRARY, TCL_LINK_STRING | TCL_LINK_READ_ONLY)))
        return status;
    if (TCL_OK != (status = Tcl_LinkVar(interp, "tclreadline_version",
         (char*) &TCLRL_VERSION, TCL_LINK_STRING | TCL_LINK_READ_ONLY)))
        return status;
    if (TCL_OK != (status = Tcl_LinkVar(interp, "tclreadline_patchLevel",
         (char*) &TCLRL_PATCHLEVEL, TCL_LINK_STRING | TCL_LINK_READ_ONLY)))
        return status;
    return Tcl_PkgProvide(interp, "tclreadline", TCLREADLINE_VERSION);
    return Tcl_PkgProvide(interp, "tclreadline", TCLRL_VERSION);
}

#if 0
char *
TclReadlineFilenameQuotingFunction
(char *filename, int match_type, char* quote_ptr)
{
    char *res = (char*) malloc(sizeof(char) * (strlen(filename) + 2));
    int i = 0;
    fprintf (stderr, "(TclReadlineFilenameQuotingFunction) \n");
    if (quote_ptr && *quote_ptr) {
        *res = *quote_ptr;                     /* leading quote */
        i++;
    }
    strcpy (res + i, filename);              /* name          */
#if 0
    fprintf (stderr, "(Tclreadline_Init) filename=|%s|\n", filename);
    fprintf (stderr, "(Tclreadline_Init) *quote_ptr=|%c|\n", *quote_ptr);
#endif
    if (quote_ptr && '{' == *quote_ptr) {
        *quote_ptr = '}';
    }
    return res;

#if 0
    switch (match_type) {
        case SINGLE_MATCH:
            break;
        default:
    }
#endif
}
#endif

int
TclReadlineInitialize(Tcl_Interp* interp, char* historyfile)
{
    rl_readline_name = "tclreadline";
    /* rl_special_prefixes = "${\""; */
    rl_special_prefixes = "${";
    rl_special_prefixes = "${\"";
    /**
     * default is " \t\n\"\\'`@$><=;|&{("
     * removed "{("
     * added "[]}"
     * removed "(" <-- arrays
     * removed "{" <-- `${' variables 
     * added "[]"
     */
    rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&[]}";
    /* rl_completer_quote_characters = "\""; */
    rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&[]";
    rl_completer_quote_characters = "\"";
    /*
    rl_filename_quote_characters
    = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";

    rl_filename_quoting_function
        = (CPFunction*) TclReadlineFilenameQuotingFunction;
    */
    /*
    rl_filename_quoting_desired = 1;
    */

    using_history();
    if (!tclrl_eof_string)
        tclrl_eof_string = strdup("puts {}; exit");

    /*
     * try to read historyfile in home
︙
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        Tcl_ResetResult(tclrl_interp); /* clear result space */
        tclrl_state = Tcl_VarEval(tclrl_interp, tclrl_custom_completer,
            " \"", quoted_text, "\" ", start_s, " ", end_s,
            " \"", quoted_rl_line_buffer, "\"", (char*) NULL);
        FREE(quoted_text);
        FREE(quoted_rl_line_buffer);
        if (TCL_OK != tclrl_state) {
            fprintf(stderr, "%s\n", Tcl_GetStringResult(tclrl_interp));
            rl_callback_handler_remove();
#if 0
            Tcl_AppendResult (tclrl_interp, "`", tclrl_custom_completer,
                " {", text, "} ", start_s, " ", end_s,
                " {", rl_line_buffer, "}' failed.", (char*) NULL);
            Tcl_AppendResult (tclrl_interp, " `", tclrl_custom_completer,
                " \"", quoted_text, "\" ", start_s, " ", end_s,
                " \"", quoted_rl_line_buffer, "\"' failed.", (char*) NULL);
#if 0
            fprintf(stderr, "\n|%s|\n", Tcl_GetStringResult(tclrl_interp));
#endif
            return matches;
        }
        obj = Tcl_GetObjResult(tclrl_interp);
        Tcl_ListObjGetElements(tclrl_interp, obj, &objc, &objv);
        /* fprintf (stderr, "(TclReadlineCompletion) objc = %d\n", objc); */
        if (objc) {
︙

Modified tclreadline.h.in from [5ff9fe59ba] to [60998526c8]. 

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 /* ==================================================================
   
    FILE: "/diska/home/joze/src/tclreadline/tclreadline.h.in"
    LAST MODIFICATION: "Wed Aug 25 16:25:25 1999 (joze)"
    FILE: "/home/joze/src/tclreadline/tclreadline.h.in"
    LAST MODIFICATION: "Sun Aug 29 08:07:04 1999 (joze)"
    (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
    $Id$
    vim:set ft=c:
    ---

    tclreadline -- gnu readline for tcl
    Copyright (C) 1999  Johannes Zellner

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
︙
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    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

    johannes@zellner.org
    http://www.zellner.org/tclreadline/

    ================================================================== */  

static char *TCLREADLINE_VERSION = "@TCLREADLINE_VERSION@";
static char *TCLRL_VERSION = "@TCLREADLINE_VERSION@";

static char *TCLRL_LIBRARY = "@TCLREADLINE_LIBRARY@";

/**
 * NOTE, that PATCHLEVEL is the complete version string.
 * (PATCHLEVEL is not really used here).
 */
static char *TCLREADLINE_PATCHLEVEL
    = "@TCLREADLINE_VERSION@.@TCLREADLINE_PATCHLEVEL@";
static char *TCLRL_PATCHLEVEL = "@TCLREADLINE_PATCHLEVEL_STR@";

Modified tclreadline.n.in from [ec21a73d43] to [cb3eb62601]. 

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.TH tclreadline n "@TCLREADLINE_VERSION@.@TCLREADLINE_PATCHLEVEL@" "Johannes Zellner"

.\" (C) 1999 by Johannes Zellner
.\" FILE: "/home/joze/src/tclreadline/tclreadline.n.in"
.\" LAST MODIFICATION: "Sat Aug 28 23:38:44 1999 (joze)"
.\" LAST MODIFICATION: "Sun Aug 29 01:14:06 1999 (joze)"
.\" (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
.\" $Id$
.\" ---
.\"
.\" tclreadline -- gnu readline for the tcl scripting language
.\" Copyright (C) 1999  Johannes Zellner
.\"
︙
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This command has to be called before any other tclreadline commands.

.TP 5
\fB::tclreadline::readline read\fP \fIprompt\fP
prints the \fIprompt\fP to stdout and enters the tclreadline event
loop. Both readline and X events are processed. Returns the
(eventually history-expanded) input string.
\fBtclreadline::readline read\fP rises an error, if an
error occurs while evaluating a script completer.

.TP 5
\fB::tclreadline::readline write\fP \fIhistoryfile\fP
writes the history to the \fIhistoryfile\fP. This command is called
automatically from the internal routine ::tclreadline::Exit.
If the variable \fBtclreadline::historyLength\fP is non-negative,
the historyfile will be truncated to hold only this number lines.
︙

Modified tclreadlineInit.tcl.in from [e2d2c550d3] to [08b95b8cfd]. 

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#!/usr/local/bin/tclsh
# FILE: "/home/joze/src/tclreadline/tclreadlineInit.tcl.in"
# LAST MODIFICATION: "Sun Aug 29 00:03:22 1999 (joze)"
# LAST MODIFICATION: "Sun Aug 29 08:11:24 1999 (joze)"
# (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
# $Id$
# ---
#
# tclreadline -- gnu readline for tcl
# Copyright (C) 1999  Johannes Zellner
#
︙
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namespace eval tclreadline:: {
    namespace export Init
}

proc ::tclreadline::Init {} {
    
    global tclreadline_version
    global tclreadline_library
    global tclreadline_patchLevel

    variable version
    variable library
    variable patchLevel
    
    set tclreadline_version @TCLREADLINE_VERSION@
    set version @TCLREADLINE_VERSION@
    set tclreadline_library @TCLREADLINE_LIBRARY@
    set library @TCLREADLINE_LIBRARY@
    # NOTE, that tclreadline_patchLevel is the complete patchlevel string.
    #
    set tclreadline_patchLevel @TCLREADLINE_VERSION@.@TCLREADLINE_PATCHLEVEL@
    set patchLevel @TCLREADLINE_VERSION@.@TCLREADLINE_PATCHLEVEL@

    if [catch {load @TCLREADLINE_LIBRARY@/@TCLREADLINE_LIB_FILE@} msg] {
        puts stderr $msg
        exit 2
    }
}

tclreadline::Init

source [file join [file dirname [info script]] tclreadlineSetup.tcl]

Modified tclreadlineSetup.tcl.in from [235d3d230f] to [3f57a0d3cc]. 

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#!/usr/local/bin/tclsh
# FILE: "/home/joze/src/tclreadline/tclreadlineSetup.tcl.in"
# LAST MODIFICATION: "Sat Aug 28 23:58:03 1999 (joze)"
# LAST MODIFICATION: "Sun Aug 29 16:28:35 1999 (joze)"
# (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
# $Id$
# ---
#
# tclreadline -- gnu readline for tcl
# Copyright (C) 1999  Johannes Zellner
#
︙
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
# johannes@zellner.org
# http://www.zellner.org/tclreadline/
#
# ================================================================== 

# done:
#
# - append
# - array
# - bgerror
# - binary
# - break
# - catch
# - cd
# - clock
# - close
# - concat
# - continue
# - (ddd is only on M$)
# - encoding
# - eof
# - error
# - eval
# - exec
# - exit
# - expr
# - fblocked
# - fconfigure
# - fcopy
# - file
# - fileevent
# - flush
# - for # TODO
# - foreach # TODO
# - format # TODO
# - gets
# - glob
# - global
# - if # TODO
# - incr
# - index
# - info
# - interp
# - join
# - lappend
# - llength
# - linsert
# - list
# - load
# - lrange
# - lreplace
# - lsearch
# - lsort
# - history
# - load
# - namespace
# - set
# - unset
# 


package provide tclreadline @TCLREADLINE_VERSION@
# package provide tclreadline @TCLREADLINE_VERSION@
package provide tclreadline 0.9

proc unknown args {

    global auto_noexec auto_noload env unknown_pending tcl_interactive
    global errorCode errorInfo

    # Save the values of errorCode and errorInfo variables, since they
︙
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    }
    return -code error "invalid command name \"$name\""
}

namespace eval tclreadline:: {
    namespace export Setup Glob Loop InitCmds InitTclCmds InitTkCmds Print ls
}

proc tclreadline::FmtFindInList {text lst} {
    return \
    [tclreadline::Format [tclreadline::FindInList $text $lst] $text]
}

proc tclreadline::FindInList {text lst} {
    set result ""
    foreach word $lst {
        if {[string match ${text}* ${word}]} {
            lappend result ${word}
        }
    }
    return $result
}


# get the longest common completion
# e.g. str == {tcl_version tclreadline_version tclreadline_library}
# --> [tclreadline::GetCommon ${str}] == "tcl"
#
proc tclreadline::GetCommon {str} {
    # puts stderr str=$str
︙
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                incr i; # discard command break character
                return [list [expr $start - $i] [string range $line $i end]]
            }
        }
    }
    return ""
}

proc tclreadline::IsWhite {char} {
    if {" " == $char || "\n" == $char || "\t" == $char} {
        return 1
    } else {
        return 0
    }
}

proc tclreadline::PreviousWord {start line} {
    incr start -1
    set found 0
    for {set i $start} {$i > 0} {incr i -1} {
        set c [string index $line $i]
        if {${found} && [IsWhite $c]} {
            break
        } elseif {!${found} && ![IsWhite $c]} {
            set found 1
        }
    }
    return [string trim [string range ${line} $i $start]]
}

proc tclreadline::Quote {value left} {
    set right [tclreadline::Right ${left}]
    if {1 < [llength $value] && "" == $right} {
        return [list \"${value}\"]
    } else {
        return [list ${left}${value}${right}]
    }
}

proc tclreadline::InChannelId {text} {
    return [ChannelId ${text} <inChannel> {stdin}]
}

proc tclreadline::OutChannelId {text} {
    return [ChannelId ${text} <outChannel> {stdout stderr}]
}

proc tclreadline::ChannelId {
    text {default <channelId>} {chs {stdin stdout stderr}}} {
    if {[llength ${text}]} {
        set channel [FmtFindInList $text ${chs}]
        if {[llength [lindex ${channel} 0]]} {
            return ${channel}
        } else {
            return ""
        }
    }
    return ${default}
}

proc tclreadline::QuoteQuotes {line} {
    regsub -all -- \" $line {\"} line
    regsub -all -- \{ $line {\{} line
    return $line
}

# % p<TAB>
# % bla put<TAB> $b
# % put<TAB> $b
# part  == put
# start == 0
# end   == 3
# line  == "put $b"
# [PartPosition] should return 0
#
proc tclreadline::PartPosition {part start end line} {
    # puts stderr "(tclreadline::PartPosition) line\[start\]=[string index $line $start]"
    # puts stderr "(tclreadline::PartPosition) part=|$part|"
    incr start -1
    if {"\"" == [string index $line $start]} {
        incr start -1
    }
    # puts stderr "(tclreadline::PartPosition) line=|$line|" 
    # puts stderr "(tclreadline::PartPosition) start=$start"
    set line [string range $line 0 $start]
    regsub -all -- \" $line {\"} line
    set line [QuoteQuotes $line]
    # puts stderr "(tclreadline::PartPosition) line=|$line|" 
    set result [llength $line]
    # puts stderr $result
    return $result
}

proc tclreadline::Right {left} {
    if {"\"" == $left} {
        return ""
    } elseif {"\{" == $left} {
        return "\}"
    } elseif {"\\\{" == $left} {
        return "\\\}"
    }
    return ""
}

proc tclreadline::GetPrefix {text} {
    set null [string index $text 0]
    # puts null=|$null|
    if {"\"" == $null} {
        # puts stderr \neins\n
        set pre "\\\""
    } elseif {"\{" == $null} {
        # puts stderr \nzwei\n
        set pre "\\\{"
    } else {
        # puts stderr \ndrei\n
        set pre ""
    }
    return ${pre}
}

proc tclreadline::Format {matches {part {}}} {
    # puts matches=|$matches|
    # puts stderr \npart=|$part|\n
    set pre [GetPrefix ${part}]
    if {1 == [llength $matches]} { ; # unique match
        # puts stderr \nunique=$matches\n
        # puts stderr "\n|${pre}${matches}[Right ${pre}]|\n"
        return ${pre}${matches}[Right ${pre}]
    } elseif {"" != ${matches}} {
        # puts stderr \nmore=$matches\n
        set common [tclreadline::GetCommon ${matches}]
        # puts stderr common=|$common|
        if {"" == $common} {
            return [string trim "[list $part] ${matches}"]
        } else {
            return [string trim "${pre}${common} ${matches}"]
        }
    } else {
        return ""; # nothing to complete
    }
}

proc tclreadline::ListCompletion {text {level -1}} {
    # TODO
    return ""
    # return [VarCompletion ${text} ${level}]
}

proc tclreadline::VarCompletion {text {level -1}} {
    if {-1 == ${level}} {
        set level [info level]
    } else {
        incr level
    }
    set pre [GetPrefix ${text}]

    if {"" == ${pre}} {
        set var ${text}
    } else {
        set var [string range ${text} 1 end]
    }

    # arrays
    #
    if {[regexp {([^(]*)\((.*)} ${var} all array name]} {
        set names [uplevel ${level} array names ${array} ${name}*]
        if {1 == [llength $names]} { ; # unique match
            return "${array}(${names})"
        } elseif {"" != ${names}} {
            return "${array}([tclreadline::GetCommon ${names}] ${names}"
        } else {
            return ""; # nothing to complete
        }
    }

    # non-arrays
    #
    regsub ":$" ${var} "::" var
    set namespaces [namespace children :: ${var}*]
    if {[llength ${namespaces}] && "::" != [string range ${var} 0 1]} {
        foreach name ${namespaces} {
            regsub "^::" ${name} "" name
            if {[string length ${name}]} {
                lappend new ${name}::
            }
        }
        set namespaces ${new}
        unset new
    }
    set matches \
    [string trim "[uplevel ${level} info vars ${var}*] ${namespaces}"]
    if {1 == [llength $matches]} { ; # unique match
        # check if this unique match is an
        # array name, (whith no "(" yet).
        #
        if {[uplevel ${level} array exists $matches]} {
            return [VarCompletion ${matches}( ${level}]; # recursion
        } else {
            return ${pre}${matches}[Right ${pre}]
        }
    } elseif {"" != $matches} { ; # more than one match
        set common [tclreadline::GetCommon ${matches}]
        if {"" == ${common}} {
            return [tclreadline::Format ${matches} ${text}]
        } else {
            return [string trim "${pre}${common} ${matches}"]
        }
    } else {
        return ""; # nothing to complete
    }
}

proc tclreadline::CommandCompletion {cmd} {
    # puts stderr \ncmd=|$cmd|\n
    set cmd [string trim ${cmd}]*
    set commands [info commands [QuoteQuotes ${cmd}]]
    # puts stderr commands=|$commands|
    set procs [info procs [QuoteQuotes ${cmd}]]
    # puts stderr procs=|$procs|
    set matches [namespace eval :: concat ${commands} ${procs}]
    set namespaces [namespace children :: ${cmd}]
    if {![llength ${matches}] && 1 == [llength ${namespaces}]} {
        set namespaces [string trim ${namespaces}]
        set matches [namespace eval ${namespaces} \
        {concat [info commands] [info procs]}]
        if {[llength ${matches}]} {
            foreach match ${matches} {
                set full ${namespaces}::${match}
                if {"" != [namespace which ${full}]} {
                    lappend new ${namespaces}::${match}
                }
            }
            set matches ${new}
            unset new
            set namespaces ""
        }
    }
    return [string trim "${matches} ${namespaces}"]
}

# if the line entered so far is
# % puts $b<TAB>
# part  == $b
# start == 5
# end   == 7
# line  == "$puts $b"
︙
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                return ""
            }
        }
        # variable completion. Check first, if the
        # variable starts with a plain `$' or should
        # be enclosed in braces.
        #
        set var [string range $part 1 end]
# 
        if {"\{" == [string index $part 1]} {
            set var [string range $part 2 end]
            set left "\$\{"
#         if {"\{" == [string index $part 1]} {
#             set var [string range $part 2 end]
#             set left "\{"
            set right "\}"
        } else {
            set left "\$"
#         } else {
#             set left ""
            set right ""
            set var [string range $part 1 end]
#             set var [string range $part 1 end]
        }
#         }
# 
        # check if $var is an array name, which
        # already has already a "(" somewhere inside.
        #
        if {[regexp {([^(]*)\((.*)} $var all array name]} {
            set matches [uplevel array names ${array} ${name}*]
        if {"" != [set vc [VarCompletion $var]]} {
            if {1 == [llength $matches]} { ; # unique match
                return "\$${array}(${matches})"
            } elseif {"" != ${matches}} {
                return \
            if {"" == [lindex $vc 0]} {
                return "\$ [lrange ${vc} 1 end]"
                    "\$${array}([tclreadline::GetCommon ${matches}] ${matches}"
            } else {
                return ""; # nothing to complete
                return \$${vc}
            }
        }
        set matches [uplevel info vars "${var}*"]
        if {1 == [llength $matches]} { ; # unique match
            # check if this unique match is an
            # array name, (whith no "(" yet).
            #
            if {[uplevel array exists $matches]} {
            # puts stderr vc=|$vc|
                return "\$${matches}( [uplevel array names $matches]"
            } else {
        } else {
                return [join [list $left $matches $right] ""]
            }
        } elseif {"" != $matches} { ; # more than one matches
            return "${left}[tclreadline::GetCommon ${matches}] ${matches}"
        } else {
            return ""; # nothing to complete
            return ""
        }
    # SCENARIO:
    #
    # % puts bla; put<TAB> $b
    # part  == put
    # start == 10
    # end   == 13
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+








        set new_line [lindex $sub 1]
        # puts stderr "(SubCmd) $new_start $new_end $new_line"
        return \
            [tclreadline::ScriptCompleter $part $new_start $new_end $new_line]
    } elseif {0 == [set pos [tclreadline::PartPosition $part $start $end $line]]} {
        # puts stderr "(PartPosition) $part $start $end $line"
        # set matches [array names known_cmds "[string trim ${part}]*"]
        set cmd "[string trim ${part}]*"
        set all [CommandCompletion ${part}]
        set matches [string trim "[info commands $cmd] [info proc $cmd]"]
        # puts matches=|$matches|
        if {1 == [llength $matches]} { ; # unique match
            return $matches
        #puts \nmatches=$matches\n
        } elseif {"" != $matches} {
            set common [tclreadline::GetCommon ${matches}]
        return [tclreadline::Format $all $part]
            # puts stderr common=|$common|
            if {"" == $common} {
                return "[list $part] ${matches}"
            } else {
    } else {
                return "$common ${matches}"
            }
        } else {
            return ""; # nothing to complete
        }
    } else {
        # try to use $pos further ...
        regsub -all -- \" $line {\"} thisline
        # regsub -all -- \" $line {\"} thisline
        set thisline [QuoteQuotes $line]
        set cmd [lindex $thisline 0]
        if {"" != [namespace eval ::tclreadline "info procs complete($cmd)"]} {
            # to be more error-proof, we could check here,
            # if complete($cmd) takes exactly 5 arguments.
            if {"\"" == [string index $part 0] \
            || "\{" == [string index $part 0]} {
                set mod [string range $part 1 end]
            } else {
                set mod $part
            }
            return \
            [::tclreadline::complete($cmd) $part $start $end $line $pos $mod]
        if {"" != [array names known_cmds $cmd]} {
        } elseif {"" != [array names known_cmds $cmd]} {
            set current [lindex $known_cmds($cmd) $pos]
            if {"" != $current && "" == [string trim $part]} {
                return $current
            } else {
                return ""
            }
        } else {
︙
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+












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            if [info exists tcl_prompt2] {
                set ::tclreadline::prompt2 $tcl_prompt2
            } else {
                set ::tclreadline::prompt2 ">"
            }

            if {[catch {
            if {[namespace eval ::tclreadline {[info procs prompt1]}] != ""} {
                set ::tclreadline::LINE [::tclreadline::readline read \
                    [::tclreadline::prompt1]]
            } else {
                set ::tclreadline::LINE [::tclreadline::readline read %]
            }

            while {![::tclreadline::readline complete $::tclreadline::LINE]} {
                append ::tclreadline::LINE "\n"
                append ::tclreadline::LINE [::tclreadline::readline read \
                    ${::tclreadline::prompt2}]
            }
            } msg]} {
                puts stderr \n$msg
                continue
            }

            # Magnus Eriksson <magnus.eriksson@netinsight.se> proposed
            history add $::tclreadline::LINE

            if [catch {
                set result [eval $::tclreadline::LINE]
                if {$result != "" && [::tclreadline::Print]} {
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+






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proc ::tclreadline::InitTclCmds {} {
    variable known_cmds
    foreach line {
        "after option ?arg arg ...?"
        "append varName ?value value ...?"
        "array option arrayName ?arg ...?"
        "bgerror"
        "binary option ?arg arg ...?"
        "break"
        "catch command ?varName?"
        "cd"
        "clock option ?arg ...?"
        "close channelId"
        "eof channelId"
        "clock"
        "close <channelId>"
        "concat"
        "continue"
        "encoding"
        "eof <channelId>"
        "error message ?errorInfo? ?errorCode?"
        "eval arg ?arg ...?"
        "exec ?switches? arg ?arg ...?"
        "exit ?returnCode?"
        "expr arg ?arg ...?"
        "fblocked channelId"
        "fconfigure channelId ?optionName? ?value? ?optionName value?..."
        "fblocked <channelId>"
        "fconfigure <channelId> ?optionName? ?value? ?optionName value?..."
        "fcopy input output ?-size size? ?-command callback?"
        "file option ?arg ...?"
        "file"
        "fileevent channelId event ?script?"
        "flush channelId"
        "for start test next command"
        "foreach varList list ?varList list ...? command"
        "format formatString ?arg arg ...?"
        "gets channelId ?varName?"
        "glob ?switches? name ?name ...?"
        "glob"
        "global varName ?varName ...?"
        "history option"
        "incr varName ?increment?"
        "info option ?arg arg ...?"
        "interp cmd ?arg ...?"
        "join list ?joinString?"
        "lappend varName ?value value ...?"
        "lindex list index"
        "linsert list index element ?element ...?"
        "linsert list <index> <element> ?element ...?"
        "list"
        "llength list"
        "load fileName ?packageName? ?interp?"
        "load"
        "lrange list first last"
        "lreplace list first last ?element element ...?"
        "lsearch ?mode? list pattern"
        "lsort ?options? list"
        "namespace subcommand ?arg ...?"
        "open fileName ?access? ?permissions?"
        "package option ?arg arg ...?"
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    } {
        tclreadline::readline add $line
        set known_cmds([lindex $line 0]) [lrange $line 1 end]
    }
rename tclreadline::InitTkCmds ""
}


namespace eval tclreadline {

# explicit command completers
#

# ---
# TCL
# ---

proc complete(append) {text start end line pos mod} {
    if {1 == $pos} {
        return [VarCompletion ${text}]
    }
    return ""
}

proc complete(if) {text start end line pos mod} {
    # TODO: this is not good yet.
    if {2 == $pos} {
        return [FmtFindInList $text {then}]
    } elseif {$pos > 2} {
        set prev [PreviousWord ${start} ${line}]
        switch $prev {
            then -
            else -
            elseif { return "" }
        }
        return [FmtFindInList $text {then else elseif}]
    }
}

proc complete(incr) {text start end line pos mod} {
    if {1 == $pos} {
        set matches [uplevel 2 info vars "${mod}*"]
        set final ""
        # check for integers
        #
        foreach match $matches {
            if {[uplevel 2 array exists $match]} {
                continue
            }
            if {[regexp {^[0-9]+$} [uplevel 2 set $match]]} {
                lappend final $match
            }
        }
        return [Format ${final} $text]
    }
}

proc complete(array) {text start end line pos mod} {
    if {1 == $pos} {
        set cmds {
            anymore donesearch exists get names
            nextelement set size startsearch
        }
        return [FmtFindInList $text $cmds]
    } elseif {2 == $pos} {
        set cmd [lindex $line 1]
        switch -- $cmd {
            anymore -
            donesearch -
            exists -
            get -
            names -
            nextelement -
            set -
            size -
            startsearch {
                set matches ""
                set vars [uplevel [info level] info vars ${mod}*]
                foreach var ${vars} {
                    if {[uplevel [info level] array exists ${var}]} {
                        lappend matches ${var}
                    }
                }
                return [Format ${matches} ${text}]
            }
        }
    } elseif {3 == $pos} {
        set cmd [lindex $line 1]
        switch -- $cmd {
            get -
            names {
                if {[catch {
                    set names [uplevel [info level] \
                    array names [lindex $line 2] [lindex $line 3]*]}]} {
                    return ""
                } else {
                    set common [GetCommon ${names}]
                    if {"" == ${common}} {
                        return [Format ${names} ${text}]
                    } else {
                        return [string trim "${common} ${names}"]
                    }
                }
            }
        }
    }
    return ""
}

proc complete(binary) {text start end line pos mod} {
    if {1 == $pos} {
        set cmds {
            format scan
        }
        return [FmtFindInList $text $cmds]
# 
#     } elseif {2 == $pos} {
#         set cmd [lindex $line 1]
#         switch -- $cmd {
#             format -
#             scan -
#         }
# 
    }
    return ""
}

proc complete(clock) {text start end line pos mod} {
    if {1 == $pos} {
        set cmds {clicks format scan seconds}
        return [FmtFindInList $text $cmds]
    } elseif {2 == $pos} {
        set cmd [lindex $line 1]
        switch -- $cmd {
            clicks {}
            format {
                if {"" == [lindex $line 2]} {
                    return <clockValue>
                }
            }
            scan {
                if {"" == [lindex $line 2]} {
                    return <dateString>
                }
            }
            seconds {}
        }
    } elseif {3 == $pos} {
        set cmd [lindex $line 1]
        switch -- $cmd {
            clicks {}
            format {
                set sub [lindex $line 3]
                set subcmds {-fmt -gmt}
                return [FmtFindInList $text $subcmds]
            }
            scan {
                set sub [lindex $line 3]
                set subcmds {-base -gmt}
                return [FmtFindInList $text $subcmds]
            }
            seconds {}
        }
    }
    return ""
}

proc complete(encoding) {text start end line pos mod} {
    if {1 == $pos} {
        set cmds {convertfrom convertto names system}
        return [FmtFindInList $text $cmds]
    } elseif {2 == $pos} {
        set cmd [lindex $line 1]
        switch -- $cmd {
            names {}
            convertfrom -
            convertto -
            system {
                set enc [encoding names]
                return [FmtFindInList ${text} ${enc}]
            }
        }
    }
    return ""
}

proc complete(expr) {text start end line pos mod} {
    set cmds {
        acos    cos     hypot   sinh 
        asin    cosh    log     sqrt 
        atan    exp     log10   tan 
        atan2   floor   pow     tanh 
        ceil    fmod    sin     abs 
        double  int     rand    round 
        srand 
    }
    return [FmtFindInList $text $cmds]
}

proc complete(fconfigure) {text start end line pos mod} {
    if {1 == $pos} {
        return [ChannelId ${mod}]
    } else {
        set option [PreviousWord ${start} ${line}]
        switch -- $option {
            -blocking {
                return [FmtFindInList ${text} {yes no}]
            }
            -buffering {
                return [FmtFindInList ${text} {full line none}]
            }
            -buffersize {
                if {![llength ${text}} {
                    return <newSize>
                }
            }
            -encoding {
                set enc [encoding names]
                return [FmtFindInList ${text} ${enc}]
            }
            -eofchar {
                if {![llength ${text}]} {
                    return [list {{<inChar> <outChar>}}]
                }
            }
            -translation {
                return [FmtFindInList ${text} {auto binary cr crlf lf}]
            }
        }
        set cmds {
            -blocking
            -buffering
            -buffersize
            -encoding
            -eofchar
            -translation
        }
        return [FmtFindInList $text $cmds]
    }
    return ""
}

proc complete(fcopy) {text start end line pos mod} {
    if {1 == $pos} {
        return [InChannelId ${mod}]
    } elseif {2 == $pos} {
        return [OutChannelId ${mod}]
    } else {
        set option [PreviousWord ${start} ${line}]
        switch -- $option {
            -size {
                if {![llength ${mod}]} { return <size> }
            }
            -command {
                if {![llength ${mod}]} { return <callback> }
            }
        }
        return [FmtFindInList $text {-size -command}]
    }
    return ""
}

proc complete(file) {text start end line pos mod} {
    if {1 == $pos} {
        set cmds {
            atime attributes copy delete dirname executable exists
            extension isdirectory isfile join lstat mtime mkdir
            nativename owned pathtype readable readlink rename
            rootname size split stat tail type volumes writable
        }
        return [FmtFindInList $text $cmds]
    } elseif {2 == $pos} {
        set cmd [lindex $line 1]
        switch -- $cmd {
            atime -
            attributes -
            dirname -
            executable -
            exists -
            extension -
            isdirectory -
            isfile -
            join -
            lstat -
            mtime -
            mkdir -
            nativename -
            owned -
            pathtype -
            readable -
            readlink -
            rootname -
            size -
            split -
            stat -
            tail -
            type -
            volumes -
            writable {
                return ""
            }

            copy -
            delete -
            rename {
                set match [FmtFindInList ${mod} {-force}]
                if {[llength ${match}] && [llength ${mod}]} {
                    return ${match}
                } else {
                    return ""
                }
            }
        }
    }
}

proc complete(fileevent) {text start end line pos mod} {
    if {1 == $pos} {
        return [ChannelId ${mod}]
    } elseif {2 == $pos} {
        return [FmtFindInList ${mod} {readable writable}]
    }
}

proc complete(flush) {text start end line pos mod} {
    if {1 == $pos} {
        return [ChannelId ${mod}]
    }
}

proc complete(gets) {text start end line pos mod} {
    if {1 == $pos} {
        return [InChannelId ${mod}]
    }
}

proc complete(glob) {text start end line pos mod} {
    if {1 == $pos} {
        set matches [FmtFindInList ${mod} {-nocomplain --}]
        if {[llength [string trim ${mod}]] && [llength ${matches}]} {
            return ${matches}
        }
    }
    return ""
}

proc complete(global) {text start end line pos mod} {
    return [VarCompletion ${text}]
}

proc complete(index) {text start end line pos mod} {
    if {1 == $pos} {
        return [VarCompletion ${text}]
    } elseif {2 == $pos && ![llength ${mod}]} {
        return <index>
    }
    return ""
}

proc complete(info) {text start end line pos mod} {
    if {1 == $pos} {
        set cmds {
            args body cmdcount commands complete default exists
            globals hostname level library loaded locals nameofexecutable
            patchlevel procs script sharedlibextension tclversion vars}
        return [FmtFindInList $text $cmds]
    } elseif {2 == $pos} {
        set cmd [lindex $line 1]
        switch -- $cmd {
            args -
            body -
            default -
            procs {
                set matches [uplevel 2 info procs ${mod}*]
                return [Format $matches $text]
            }
            complete { ; # TODO
            }
            level { ; # TODO
            }
            loaded { ;# TODO
            }
            commands -
            exists -
            globals -
            locals -
            vars {
                if {"exists" == $cmd} {
                    set do vars
                } else {
                    set do $cmd
                }
                return \
                [Format [uplevel 2 info ${do} "${mod}*"] $text]
            }
        }
    }
    return ""
}

proc complete(interp) {text start end line pos mod} {
    set cmd [lindex $line 1]
    if {1 == $pos} {
        set cmds {
            alias aliases create delete eval exists expose hide hidden
            issafe invokehidden marktrusted slaves share target transfer}
        return [FmtFindInList $text $cmds]
    } elseif {2 == $pos} {
        switch -- $cmd {
            create {
                return [FmtFindInList $text {-safe -- ?path?}]
            }

            eval -
            exists -
            expose -
            hide -
            hidden -
            invokehidden -
            marktrusted -
            target {if {![llength ${mod}]} { return <path> }}

            aliases -
            delete -
            issafe -
            slaves {if {![llength ${mod}]} { return ?path? }}

            alias -
            share -
            transfer {if {![llength ${mod}]} { return <srcPath> }}
        }
    } elseif {3 == $pos} {
        switch -- $cmd {

            alias {if {![llength ${mod}]} { return <srcCmd> }}

            create {
                return [FmtFindInList $text {-safe -- ?path?}]
            }

            eval {if {![llength ${mod}]} { return <arg> }}
            delete {if {![llength ${mod}]} { return ?path? }}

            expose {if {![llength ${mod}]} { return <hiddenName> }}
            hide {if {![llength ${mod}]} { return <exposedCmdName> }}

            invokehidden {
                return \
                [FmtFindInList $text {?-global? <hiddenCmdName}]
            }

            target {if {![llength ${mod}]} { return <alias> }}

            exists {}
            hidden {}
            marktrusted {}
            aliases {}
            issafe {}
            slaves {}

            share -
            tranfer {return [ChannelId ${mod}]}
        }
    } elseif {4 == $pos} {
        switch -- $cmd {

            alias {if {![llength ${mod}]} { return <targetPath> }}

            create {
                return [FmtFindInList $text {-safe -- path}]
            }

            expose {if {![llength ${mod}]} { return ?exposedCmdName? }}
            hide {if {![llength ${mod}]} { return ?hiddenCmdName? }}

            share -
            tranfer {if {![llength ${mod}]} { return ?destPath? }}
        }
    }
    return ""
}

proc complete(join) {text start end line pos mod} {
    if {1 == $pos} {
        return [VarCompletion ${text}]
    }
    return ""
}

proc complete(lappend) {text start end line pos mod} {
    if {1 == $pos} {
        return [ListCompletion ${text}]
    }
    return ""
}

proc complete(linsert) {text start end line pos mod} {
    if {1 == $pos} {
        return [ListCompletion ${text}]
    }
    return ""
}

proc complete(llength) {text start end line pos mod} {
    if {1 == $pos} {
        return [ListCompletion ${text}]
    }
    return ""
}

proc complete(load) {text start end line pos mod} {
    if {1 == $pos} {
        return ""; # filename
    } elseif {2 == $pos && ![llength ${mod}]} {
        return "<packageName>"
    } elseif {3 == $pos && ![llength ${mod}]} {
        return "<interp>"
    }
    return ""
}

proc complete(lrange) {text start end line pos mod} {
    if {1 == $pos} {
        return [ListCompletion ${text}]
    } elseif {2 == $pos && ![llength ${mod}]} {
        return "<first>"
    } elseif {3 == $pos && ![llength ${mod}]} {
        return "<last>"
    }
    return ""
}

proc complete(lreplace) {text start end line pos mod} {
    if {1 == $pos} {
        return [ListCompletion ${text}]
    } elseif {2 == $pos && ![llength ${mod}]} {
        return "<first>"
    } elseif {3 == $pos && ![llength ${mod}]} {
        return "<last>"
    } elseif {![llength ${mod}]} {
        return "?element?"
    }
    return ""
}

proc complete(lsearch) {text start end line pos mod} {
    set options [FmtFindInList $text {-exact -glob -regexp}]
    if {![llength ${mod}]} {
        # remove the common match `-'
        set options [lrange ${options} 1 end]
    }
    set opt [lindex ${line} 1]
    set option [FmtFindInList $opt {-exact -glob -regexp}]
    if {1 == $pos} {
        set matches [ListCompletion ${text}]
        return [string trim "${matches} ${options}"]
    } elseif {2 == $pos && ![llength ${mod}]} {
        if {[llength ${option}]} {
            return "<list>"
        } else {
            return "<pattern>"
        }
    } elseif {3 == $pos && ![llength ${mod}]} {
        if {[llength ${option}]} {
            return "<pattern>"
        }
    }
    return ""
}

proc complete(lsort) {text start end line pos mod} {
    set options [FmtFindInList $text {
        -ascii -dictionary -integer -real -command
        -increasing -decreasing -index
    }]
    if {![llength ${mod}]} {
        # remove the common match `-'
        set options [lrange ${options} 1 end]
    }
    set matches [ListCompletion ${text}]
    return [string trim "${matches} ${options}"]
}

proc complete(history) {text start end line pos mod} {
    if {1 == $pos} {
        set cmds {add change clear event info keep nextid redo}
        return [FmtFindInList $text $cmds]
    } elseif {2 == ${pos}} {
        set cmd [lindex $line 1]
        switch -- $cmd {
            add { if {![llength ${mod}]} { return <newValue> } }
            change { if {![llength ${mod}]} { return <newValue> } }

            info -
            keep { if {![llength ${mod}]} { return ?count? } }

            event -
            redo { if {![llength ${mod}]} { return ?event? } }

            clear -
            nextid { return "" }
        }
    }
}

proc complete(namespace) {text start end line pos mod} {
    if {1 == $pos} {
        set cmds {
            children code current delete eval export forget
            import inscope origin parent qualifiers tail which}
        return [FmtFindInList $text $cmds]
    } elseif {2 == $pos} {
        set cmd [lindex $line 1]
        # TODO dosn't work ???
        # puts stderr \nmod=|$mod|\n
        # set matches [namespace children ::]
        # puts stderr \nmatches=$matches\n
        set space_matches [namespace children :: [string trim ${mod}]\*]
        switch -- $cmd {
            children -
            delete -
            eval -
            inscope -
            parent {
                return [FmtFindInList $text $space_matches]
            }
            code {
                return ""
            }
            current {}
            export {
            }
            forget {
            }
            import {
            }
            origin {
            }
            qualifiers {
            }
            tail {
            }
            which {
            }
        }
        # TODO
        return ""
    }
    return ""
}

proc complete(set) {text start end line pos mod} {
    # puts stderr "\ntext=|$text| $start $end\n"
    # puts stderr \nline=|$line|\n
    # puts stderr \npos=|$pos|\n
    # puts stderr \nmod=|$mod|\n
    if {1 == $pos} {
        return [VarCompletion ${text}]
    } elseif {2 == $pos && ($text == "" || $text == "\"" || $text == "\{")} {
        set line [QuoteQuotes $line]
        if {[catch "set value [list [uplevel [info level] set [lindex $line 1]]]" msg]} {
            return ""
        } else {
            return [Quote $value ${text}]
        }
    }
    return ""
}

proc complete(unset) {text start end line pos mod} {
    return [VarCompletion ${text}]
}

}; # namespace tclreadline

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