1116 lines
20 KiB
Plaintext
1116 lines
20 KiB
Plaintext
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/*-
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1992, 1993, 1994, 1995, 1996
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* Keith Bostic. All rights reserved.
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* Copyright (c) 1995
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* George V. Neville-Neil. All rights reserved.
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* Copyright (c) 1996
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* Sven Verdoolaege. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "@(#)perl.xs 8.27 (Berkeley) 10/16/96";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <sys/time.h>
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#include <bitstring.h>
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#include <ctype.h>
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#include <limits.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include "../common/common.h"
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#include <EXTERN.h>
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#include <perl.h>
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#include <XSUB.h>
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#include "perl_extern.h"
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static void msghandler __P((SCR *, mtype_t, char *, size_t));
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extern GS *__global_list; /* XXX */
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static char *errmsg = 0;
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/*
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* INITMESSAGE --
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* Macros to point messages at the Perl message handler.
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*/
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#define INITMESSAGE \
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scr_msg = __global_list->scr_msg; \
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__global_list->scr_msg = msghandler;
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#define ENDMESSAGE \
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__global_list->scr_msg = scr_msg; \
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if (rval) croak(errmsg);
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static void xs_init __P((void));
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/*
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* perl_end --
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* Clean up perl interpreter
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*
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* PUBLIC: int perl_end __P((GS *));
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*/
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int
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perl_end(gp)
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GS *gp;
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{
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/*
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* Call perl_run and perl_destuct to call END blocks and DESTROY
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* methods.
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*/
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if (gp->perl_interp) {
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/*Irestartop = 0; / * XXX */
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perl_run(gp->perl_interp);
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perl_destruct(gp->perl_interp);
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#if defined(DEBUG) || defined(PURIFY) || defined(LIBRARY)
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perl_free(gp->perl_interp);
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#endif
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}
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}
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/*
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* perl_eval
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* Evaluate a string
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* We don't use mortal SVs because no one will clean up after us
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*/
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static void
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perl_eval(string)
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char *string;
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{
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#ifdef HAVE_PERL_5_003_01
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SV* sv = newSVpv(string, 0);
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perl_eval_sv(sv, G_DISCARD | G_NOARGS);
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SvREFCNT_dec(sv);
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#else
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char *argv[2];
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argv[0] = string;
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argv[1] = NULL;
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perl_call_argv("_eval_", G_EVAL | G_DISCARD | G_KEEPERR, argv);
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#endif
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}
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/*
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* perl_init --
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* Create the perl commands used by nvi.
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*
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* PUBLIC: int perl_init __P((SCR *));
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*/
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int
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perl_init(scrp)
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SCR *scrp;
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{
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AV * av;
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GS *gp;
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char *bootargs[] = { "VI", NULL };
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#ifndef USE_SFIO
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SV *svcurscr;
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#endif
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#ifndef HAVE_PERL_5_003_01
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static char *args[] = { "", "-e", "sub _eval_ { eval $_[0] }" };
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#else
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static char *args[] = { "", "-e", "" };
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#endif
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STRLEN length;
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char *file = __FILE__;
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gp = scrp->gp;
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gp->perl_interp = perl_alloc();
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perl_construct(gp->perl_interp);
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if (perl_parse(gp->perl_interp, xs_init, 3, args, 0)) {
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perl_destruct(gp->perl_interp);
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perl_free(gp->perl_interp);
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gp->perl_interp = NULL;
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return 1;
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}
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perl_call_argv("VI::bootstrap", G_DISCARD, bootargs);
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perl_eval("$SIG{__WARN__}='VI::Warn'");
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av_unshift(av = GvAVn(incgv), 1);
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av_store(av, 0, newSVpv(_PATH_PERLSCRIPTS,
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sizeof(_PATH_PERLSCRIPTS)-1));
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#ifdef USE_SFIO
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sfdisc(PerlIO_stdout(), sfdcnewnvi(scrp));
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sfdisc(PerlIO_stderr(), sfdcnewnvi(scrp));
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#else
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svcurscr = perl_get_sv("curscr", TRUE);
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sv_magic((SV *)gv_fetchpv("STDOUT",TRUE, SVt_PVIO), svcurscr,
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'q', Nullch, 0);
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sv_magic((SV *)gv_fetchpv("STDERR",TRUE, SVt_PVIO), svcurscr,
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'q', Nullch, 0);
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#endif /* USE_SFIO */
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return (0);
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}
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/*
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* perl_screen_end
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* Remove all refences to the screen to be destroyed
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*
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* PUBLIC: int perl_screen_end __P((SCR*));
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*/
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int
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perl_screen_end(scrp)
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SCR *scrp;
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{
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if (scrp->perl_private) {
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sv_setiv((SV*) scrp->perl_private, 0);
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}
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return 0;
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}
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static void
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my_sighandler(i)
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int i;
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{
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croak("Perl command interrupted by SIGINT");
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}
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/* Create a new reference to an SV pointing to the SCR structure
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* The perl_private part of the SCR structure points to the SV,
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* so there can only be one such SV for a particular SCR structure.
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* When the last reference has gone (DESTROY is called),
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* perl_private is reset; When the screen goes away before
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* all references are gone, the value of the SV is reset;
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* any subsequent use of any of those reference will produce
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* a warning. (see typemap)
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*/
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static SV *
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newVIrv(rv, screen)
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SV *rv;
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SCR *screen;
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{
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sv_upgrade(rv, SVt_RV);
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if (!screen->perl_private) {
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screen->perl_private = newSV(0);
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sv_setiv(screen->perl_private, (IV) screen);
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}
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else SvREFCNT_inc(screen->perl_private);
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SvRV(rv) = screen->perl_private;
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SvROK_on(rv);
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return sv_bless(rv, gv_stashpv("VI", TRUE));
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}
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/*
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* perl_ex_perl -- :[line [,line]] perl [command]
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* Run a command through the perl interpreter.
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*
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* PUBLIC: int perl_ex_perl __P((SCR*, CHAR_T *, size_t, recno_t, recno_t));
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*/
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int
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perl_ex_perl(scrp, cmdp, cmdlen, f_lno, t_lno)
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SCR *scrp;
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CHAR_T *cmdp;
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size_t cmdlen;
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recno_t f_lno, t_lno;
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{
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static SV *svcurscr = 0, *svstart, *svstop, *svid;
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GS *gp;
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STRLEN length;
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size_t len;
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char *err;
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Signal_t (*istat)();
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/* Initialize the interpreter. */
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gp = scrp->gp;
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if (!svcurscr) {
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if (gp->perl_interp == NULL && perl_init(scrp))
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return (1);
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SvREADONLY_on(svcurscr = perl_get_sv("curscr", TRUE));
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SvREADONLY_on(svstart = perl_get_sv("VI::StartLine", TRUE));
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SvREADONLY_on(svstop = perl_get_sv("VI::StopLine", TRUE));
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SvREADONLY_on(svid = perl_get_sv("VI::ScreenId", TRUE));
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}
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sv_setiv(svstart, f_lno);
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sv_setiv(svstop, t_lno);
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newVIrv(svcurscr, scrp);
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/* Backwards compatibility. */
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newVIrv(svid, scrp);
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istat = signal(SIGINT, my_sighandler);
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perl_eval(cmdp);
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signal(SIGINT, istat);
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SvREFCNT_dec(SvRV(svcurscr));
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SvROK_off(svcurscr);
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SvREFCNT_dec(SvRV(svid));
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SvROK_off(svid);
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err = SvPV(GvSV(errgv), length);
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if (!length)
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return (0);
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err[length - 1] = '\0';
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msgq(scrp, M_ERR, "perl: %s", err);
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return (1);
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}
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/*
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* replace_line
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* replace a line with the contents of the perl variable $_
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* lines are split at '\n's
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* if $_ is undef, the line is deleted
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* returns possibly adjusted linenumber
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*/
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static int
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replace_line(scrp, line, t_lno)
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SCR *scrp;
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recno_t line, *t_lno;
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{
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char *str, *next;
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size_t len;
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if (SvOK(GvSV(defgv))) {
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str = SvPV(GvSV(defgv),len);
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next = memchr(str, '\n', len);
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api_sline(scrp, line, str, next ? (next - str) : len);
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while (next++) {
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len -= next - str;
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next = memchr(str = next, '\n', len);
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api_iline(scrp, ++line, str, next ? (next - str) : len);
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(*t_lno)++;
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}
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} else {
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api_dline(scrp, line--);
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(*t_lno)--;
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}
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return line;
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}
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/*
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* perl_ex_perldo -- :[line [,line]] perl [command]
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* Run a set of lines through the perl interpreter.
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*
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* PUBLIC: int perl_ex_perldo __P((SCR*, CHAR_T *, size_t, recno_t, recno_t));
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*/
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int
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perl_ex_perldo(scrp, cmdp, cmdlen, f_lno, t_lno)
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SCR *scrp;
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CHAR_T *cmdp;
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size_t cmdlen;
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recno_t f_lno, t_lno;
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{
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static SV *svcurscr = 0, *svstart, *svstop, *svid;
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CHAR_T *p;
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GS *gp;
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STRLEN length;
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size_t len;
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recno_t i;
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char *str;
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#ifndef HAVE_PERL_5_003_01
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char *argv[2];
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#else
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SV* sv;
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#endif
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dSP;
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/* Initialize the interpreter. */
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gp = scrp->gp;
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if (!svcurscr) {
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if (gp->perl_interp == NULL && perl_init(scrp))
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return (1);
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SPAGAIN;
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SvREADONLY_on(svcurscr = perl_get_sv("curscr", TRUE));
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SvREADONLY_on(svstart = perl_get_sv("VI::StartLine", TRUE));
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SvREADONLY_on(svstop = perl_get_sv("VI::StopLine", TRUE));
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SvREADONLY_on(svid = perl_get_sv("VI::ScreenId", TRUE));
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}
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#ifndef HAVE_PERL_5_003_01
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argv[0] = cmdp;
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argv[1] = NULL;
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#else
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length = strlen(cmdp);
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sv = newSV(length + sizeof("sub VI::perldo {")-1 + 1 /* } */);
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sv_setpvn(sv, "sub VI::perldo {", sizeof("sub VI::perldo {")-1);
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sv_catpvn(sv, cmdp, length);
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sv_catpvn(sv, "}", 1);
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perl_eval_sv(sv, G_DISCARD | G_NOARGS);
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SvREFCNT_dec(sv);
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str = SvPV(GvSV(errgv),length);
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if (length)
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goto err;
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#endif
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newVIrv(svcurscr, scrp);
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/* Backwards compatibility. */
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newVIrv(svid, scrp);
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ENTER;
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SAVETMPS;
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for (i = f_lno; i <= t_lno && !api_gline(scrp, i, &str, &len); i++) {
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sv_setpvn(GvSV(defgv),str,len);
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sv_setiv(svstart, i);
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sv_setiv(svstop, i);
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#ifndef HAVE_PERL_5_003_01
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perl_call_argv("_eval_", G_SCALAR | G_EVAL | G_KEEPERR, argv);
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#else
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PUSHMARK(sp);
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perl_call_pv("VI::perldo", G_SCALAR | G_EVAL);
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#endif
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str = SvPV(GvSV(errgv), length);
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if (length) break;
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SPAGAIN;
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if(SvTRUEx(POPs))
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|
|
i = replace_line(scrp, i, &t_lno);
|
||
|
|
PUTBACK;
|
||
|
|
}
|
||
|
|
FREETMPS;
|
||
|
|
LEAVE;
|
||
|
|
|
||
|
|
SvREFCNT_dec(SvRV(svcurscr));
|
||
|
|
SvROK_off(svcurscr);
|
||
|
|
SvREFCNT_dec(SvRV(svid));
|
||
|
|
SvROK_off(svid);
|
||
|
|
|
||
|
|
if (!length)
|
||
|
|
return (0);
|
||
|
|
|
||
|
|
err: str[length - 1] = '\0';
|
||
|
|
msgq(scrp, M_ERR, "perl: %s", str);
|
||
|
|
return (1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* msghandler --
|
||
|
|
* Perl message routine so that error messages are processed in
|
||
|
|
* Perl, not in nvi.
|
||
|
|
*/
|
||
|
|
static void
|
||
|
|
msghandler(sp, mtype, msg, len)
|
||
|
|
SCR *sp;
|
||
|
|
mtype_t mtype;
|
||
|
|
char *msg;
|
||
|
|
size_t len;
|
||
|
|
{
|
||
|
|
/* Replace the trailing <newline> with an EOS. */
|
||
|
|
/* Let's do that later instead */
|
||
|
|
if (errmsg) free (errmsg);
|
||
|
|
errmsg = malloc(len + 1);
|
||
|
|
memcpy(errmsg, msg, len);
|
||
|
|
errmsg[len] = '\0';
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Register any extra external extensions */
|
||
|
|
|
||
|
|
extern void boot_DynaLoader _((CV* cv));
|
||
|
|
extern void boot_VI _((CV* cv));
|
||
|
|
|
||
|
|
static void
|
||
|
|
xs_init()
|
||
|
|
{
|
||
|
|
#ifdef HAVE_PERL_5_003_01
|
||
|
|
dXSUB_SYS;
|
||
|
|
#endif
|
||
|
|
char *file = __FILE__;
|
||
|
|
|
||
|
|
newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
|
||
|
|
newXS("VI::bootstrap", boot_VI, file);
|
||
|
|
}
|
||
|
|
|
||
|
|
typedef SCR * VI;
|
||
|
|
typedef SCR * VI__OPT;
|
||
|
|
typedef SCR * VI__MAP;
|
||
|
|
typedef SCR * VI__MARK;
|
||
|
|
typedef AV * AVREF;
|
||
|
|
|
||
|
|
MODULE = VI PACKAGE = VI
|
||
|
|
|
||
|
|
# msg --
|
||
|
|
# Set the message line to text.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::Msg
|
||
|
|
# Usage: VI::Msg screenId text
|
||
|
|
|
||
|
|
void
|
||
|
|
Msg(screen, text)
|
||
|
|
VI screen
|
||
|
|
char * text
|
||
|
|
|
||
|
|
ALIAS:
|
||
|
|
PRINT = 1
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
api_imessage(screen, text);
|
||
|
|
|
||
|
|
# XS_VI_escreen --
|
||
|
|
# End a screen.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::EndScreen
|
||
|
|
# Usage: VI::EndScreen screenId
|
||
|
|
|
||
|
|
void
|
||
|
|
EndScreen(screen)
|
||
|
|
VI screen
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_escreen(screen);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_iscreen --
|
||
|
|
# Create a new screen. If a filename is specified then the screen
|
||
|
|
# is opened with that file.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::NewScreen
|
||
|
|
# Usage: VI::NewScreen screenId [file]
|
||
|
|
|
||
|
|
VI
|
||
|
|
Edit(screen, ...)
|
||
|
|
VI screen
|
||
|
|
|
||
|
|
ALIAS:
|
||
|
|
NewScreen = 1
|
||
|
|
|
||
|
|
PROTOTYPE: $;$
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
char *file;
|
||
|
|
SCR *nsp;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
file = (items == 1) ? NULL : (char *)SvPV(ST(1),na);
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_edit(screen, file, &nsp, ix);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
RETVAL = ix ? nsp : screen;
|
||
|
|
|
||
|
|
OUTPUT:
|
||
|
|
RETVAL
|
||
|
|
|
||
|
|
# XS_VI_fscreen --
|
||
|
|
# Return the screen id associated with file name.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::FindScreen
|
||
|
|
# Usage: VI::FindScreen file
|
||
|
|
|
||
|
|
VI
|
||
|
|
FindScreen(file)
|
||
|
|
char *file
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
SCR *fsp;
|
||
|
|
CODE:
|
||
|
|
RETVAL = api_fscreen(0, file);
|
||
|
|
|
||
|
|
# XS_VI_aline --
|
||
|
|
# -- Append the string text after the line in lineNumber.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::AppendLine
|
||
|
|
# Usage: VI::AppendLine screenId lineNumber text
|
||
|
|
|
||
|
|
void
|
||
|
|
AppendLine(screen, linenumber, text)
|
||
|
|
VI screen
|
||
|
|
int linenumber
|
||
|
|
char *text
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
STRLEN length;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
SvPV(ST(2), length);
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_aline(screen, linenumber, text, length);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_dline --
|
||
|
|
# Delete lineNum.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::DelLine
|
||
|
|
# Usage: VI::DelLine screenId lineNum
|
||
|
|
|
||
|
|
void
|
||
|
|
DelLine(screen, linenumber)
|
||
|
|
VI screen
|
||
|
|
int linenumber
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_dline(screen, (recno_t)linenumber);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_gline --
|
||
|
|
# Return lineNumber.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::GetLine
|
||
|
|
# Usage: VI::GetLine screenId lineNumber
|
||
|
|
|
||
|
|
char *
|
||
|
|
GetLine(screen, linenumber)
|
||
|
|
VI screen
|
||
|
|
int linenumber
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
size_t len;
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
char *line, *p;
|
||
|
|
|
||
|
|
PPCODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_gline(screen, (recno_t)linenumber, &p, &len);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
EXTEND(sp,1);
|
||
|
|
PUSHs(sv_2mortal(newSVpv(p, len)));
|
||
|
|
|
||
|
|
# XS_VI_sline --
|
||
|
|
# Set lineNumber to the text supplied.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::SetLine
|
||
|
|
# Usage: VI::SetLine screenId lineNumber text
|
||
|
|
|
||
|
|
void
|
||
|
|
SetLine(screen, linenumber, text)
|
||
|
|
VI screen
|
||
|
|
int linenumber
|
||
|
|
char *text
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
STRLEN length;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
SvPV(ST(2), length);
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_sline(screen, linenumber, text, length);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_iline --
|
||
|
|
# Insert the string text before the line in lineNumber.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::InsertLine
|
||
|
|
# Usage: VI::InsertLine screenId lineNumber text
|
||
|
|
|
||
|
|
void
|
||
|
|
InsertLine(screen, linenumber, text)
|
||
|
|
VI screen
|
||
|
|
int linenumber
|
||
|
|
char *text
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
STRLEN length;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
SvPV(ST(2), length);
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_iline(screen, linenumber, text, length);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_lline --
|
||
|
|
# Return the last line in the screen.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::LastLine
|
||
|
|
# Usage: VI::LastLine screenId
|
||
|
|
|
||
|
|
int
|
||
|
|
LastLine(screen)
|
||
|
|
VI screen
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
recno_t last;
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_lline(screen, &last);
|
||
|
|
ENDMESSAGE;
|
||
|
|
RETVAL=last;
|
||
|
|
|
||
|
|
OUTPUT:
|
||
|
|
RETVAL
|
||
|
|
|
||
|
|
# XS_VI_getmark --
|
||
|
|
# Return the mark's cursor position as a list with two elements.
|
||
|
|
# {line, column}.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::GetMark
|
||
|
|
# Usage: VI::GetMark screenId mark
|
||
|
|
|
||
|
|
void
|
||
|
|
GetMark(screen, mark)
|
||
|
|
VI screen
|
||
|
|
char mark
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
struct _mark cursor;
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
PPCODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_getmark(screen, (int)mark, &cursor);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
EXTEND(sp,2);
|
||
|
|
PUSHs(sv_2mortal(newSViv(cursor.lno)));
|
||
|
|
PUSHs(sv_2mortal(newSViv(cursor.cno)));
|
||
|
|
|
||
|
|
# XS_VI_setmark --
|
||
|
|
# Set the mark to the line and column numbers supplied.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::SetMark
|
||
|
|
# Usage: VI::SetMark screenId mark line column
|
||
|
|
|
||
|
|
void
|
||
|
|
SetMark(screen, mark, line, column)
|
||
|
|
VI screen
|
||
|
|
char mark
|
||
|
|
int line
|
||
|
|
int column
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
struct _mark cursor;
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
cursor.lno = line;
|
||
|
|
cursor.cno = column;
|
||
|
|
rval = api_setmark(screen, (int)mark, &cursor);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_getcursor --
|
||
|
|
# Return the current cursor position as a list with two elements.
|
||
|
|
# {line, column}.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::GetCursor
|
||
|
|
# Usage: VI::GetCursor screenId
|
||
|
|
|
||
|
|
void
|
||
|
|
GetCursor(screen)
|
||
|
|
VI screen
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
struct _mark cursor;
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
PPCODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_getcursor(screen, &cursor);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
EXTEND(sp,2);
|
||
|
|
PUSHs(sv_2mortal(newSViv(cursor.lno)));
|
||
|
|
PUSHs(sv_2mortal(newSViv(cursor.cno)));
|
||
|
|
|
||
|
|
# XS_VI_setcursor --
|
||
|
|
# Set the cursor to the line and column numbers supplied.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::SetCursor
|
||
|
|
# Usage: VI::SetCursor screenId line column
|
||
|
|
|
||
|
|
void
|
||
|
|
SetCursor(screen, line, column)
|
||
|
|
VI screen
|
||
|
|
int line
|
||
|
|
int column
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
struct _mark cursor;
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
cursor.lno = line;
|
||
|
|
cursor.cno = column;
|
||
|
|
rval = api_setcursor(screen, &cursor);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_swscreen --
|
||
|
|
# Change the current focus to screen.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::SwitchScreen
|
||
|
|
# Usage: VI::SwitchScreen screenId screenId
|
||
|
|
|
||
|
|
void
|
||
|
|
SwitchScreen(screenFrom, screenTo)
|
||
|
|
VI screenFrom
|
||
|
|
VI screenTo
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_swscreen(screenFrom, screenTo);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_map --
|
||
|
|
# Associate a key with a perl procedure.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::MapKey
|
||
|
|
# Usage: VI::MapKey screenId key perlproc
|
||
|
|
|
||
|
|
void
|
||
|
|
MapKey(screen, key, perlproc)
|
||
|
|
VI screen
|
||
|
|
char *key
|
||
|
|
SV *perlproc
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
int length;
|
||
|
|
char *command;
|
||
|
|
SV *svc;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
svc = sv_2mortal(newSVpv(":perl ", 6));
|
||
|
|
sv_catsv(svc, perlproc);
|
||
|
|
command = SvPV(svc, length);
|
||
|
|
rval = api_map(screen, key, command, length);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_unmap --
|
||
|
|
# Unmap a key.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::UnmapKey
|
||
|
|
# Usage: VI::UnmmapKey screenId key
|
||
|
|
|
||
|
|
void
|
||
|
|
UnmapKey(screen, key)
|
||
|
|
VI screen
|
||
|
|
char *key
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_unmap(screen, key);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_opts_set --
|
||
|
|
# Set an option.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::SetOpt
|
||
|
|
# Usage: VI::SetOpt screenId setting
|
||
|
|
|
||
|
|
void
|
||
|
|
SetOpt(screen, setting)
|
||
|
|
VI screen
|
||
|
|
char *setting
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
SV *svc;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
svc = sv_2mortal(newSVpv(":set ", 5));
|
||
|
|
sv_catpv(svc, setting);
|
||
|
|
rval = api_run_str(screen, SvPV(svc, na));
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
# XS_VI_opts_get --
|
||
|
|
# Return the value of an option.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::GetOpt
|
||
|
|
# Usage: VI::GetOpt screenId option
|
||
|
|
|
||
|
|
void
|
||
|
|
GetOpt(screen, option)
|
||
|
|
VI screen
|
||
|
|
char *option
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
char *value;
|
||
|
|
|
||
|
|
PPCODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_opts_get(screen, option, &value, NULL);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
EXTEND(SP,1);
|
||
|
|
PUSHs(sv_2mortal(newSVpv(value, 0)));
|
||
|
|
free(value);
|
||
|
|
|
||
|
|
# XS_VI_run --
|
||
|
|
# Run the ex command cmd.
|
||
|
|
#
|
||
|
|
# Perl Command: VI::Run
|
||
|
|
# Usage: VI::Run screenId cmd
|
||
|
|
|
||
|
|
void
|
||
|
|
Run(screen, command)
|
||
|
|
VI screen
|
||
|
|
char *command;
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_run_str(screen, command);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
void
|
||
|
|
DESTROY(screen)
|
||
|
|
VI screen
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
screen->perl_private = 0;
|
||
|
|
|
||
|
|
void
|
||
|
|
Warn(warning)
|
||
|
|
char *warning;
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
int i;
|
||
|
|
CODE:
|
||
|
|
sv_catpv(GvSV(errgv),warning);
|
||
|
|
|
||
|
|
#define TIED(package) \
|
||
|
|
sv_magic((SV *) (hv = \
|
||
|
|
(HV *)sv_2mortal((SV *)newHV())), \
|
||
|
|
sv_setref_pv(sv_newmortal(), package, \
|
||
|
|
newVIrv(newSV(0), screen)),\
|
||
|
|
'P', Nullch, 0);\
|
||
|
|
RETVAL = newRV((SV *)hv)
|
||
|
|
|
||
|
|
SV *
|
||
|
|
Opt(screen)
|
||
|
|
VI screen;
|
||
|
|
PREINIT:
|
||
|
|
HV *hv;
|
||
|
|
CODE:
|
||
|
|
TIED("VI::OPT");
|
||
|
|
OUTPUT:
|
||
|
|
RETVAL
|
||
|
|
|
||
|
|
SV *
|
||
|
|
Map(screen)
|
||
|
|
VI screen;
|
||
|
|
PREINIT:
|
||
|
|
HV *hv;
|
||
|
|
CODE:
|
||
|
|
TIED("VI::MAP");
|
||
|
|
OUTPUT:
|
||
|
|
RETVAL
|
||
|
|
|
||
|
|
SV *
|
||
|
|
Mark(screen)
|
||
|
|
VI screen
|
||
|
|
PREINIT:
|
||
|
|
HV *hv;
|
||
|
|
CODE:
|
||
|
|
TIED("VI::MARK");
|
||
|
|
OUTPUT:
|
||
|
|
RETVAL
|
||
|
|
|
||
|
|
MODULE = VI PACKAGE = VI::OPT
|
||
|
|
|
||
|
|
void
|
||
|
|
DESTROY(screen)
|
||
|
|
VI::OPT screen
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
# typemap did all the checking
|
||
|
|
SvREFCNT_dec((SV*)SvIV((SV*)SvRV(ST(0))));
|
||
|
|
|
||
|
|
void
|
||
|
|
FETCH(screen, key)
|
||
|
|
VI::OPT screen
|
||
|
|
char *key
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
char *value;
|
||
|
|
int boolvalue;
|
||
|
|
|
||
|
|
PPCODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_opts_get(screen, key, &value, &boolvalue);
|
||
|
|
if (!rval) {
|
||
|
|
EXTEND(SP,1);
|
||
|
|
PUSHs(sv_2mortal((boolvalue == -1) ? newSVpv(value, 0)
|
||
|
|
: newSViv(boolvalue)));
|
||
|
|
free(value);
|
||
|
|
} else ST(0) = &sv_undef;
|
||
|
|
rval = 0;
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
void
|
||
|
|
STORE(screen, key, value)
|
||
|
|
VI::OPT screen
|
||
|
|
char *key
|
||
|
|
SV *value
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_opts_set(screen, key, SvPV(value, na), SvIV(value),
|
||
|
|
SvTRUEx(value));
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
MODULE = VI PACKAGE = VI::MAP
|
||
|
|
|
||
|
|
void
|
||
|
|
DESTROY(screen)
|
||
|
|
VI::MAP screen
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
# typemap did all the checking
|
||
|
|
SvREFCNT_dec((SV*)SvIV((SV*)SvRV(ST(0))));
|
||
|
|
|
||
|
|
void
|
||
|
|
STORE(screen, key, perlproc)
|
||
|
|
VI::MAP screen
|
||
|
|
char *key
|
||
|
|
SV *perlproc
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
int length;
|
||
|
|
char *command;
|
||
|
|
SV *svc;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
svc = sv_2mortal(newSVpv(":perl ", 6));
|
||
|
|
sv_catsv(svc, perlproc);
|
||
|
|
command = SvPV(svc, length);
|
||
|
|
rval = api_map(screen, key, command, length);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
void
|
||
|
|
DELETE(screen, key)
|
||
|
|
VI::MAP screen
|
||
|
|
char *key
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_unmap(screen, key);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
MODULE = VI PACKAGE = VI::MARK
|
||
|
|
|
||
|
|
void
|
||
|
|
DESTROY(screen)
|
||
|
|
VI::MARK screen
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
# typemap did all the checking
|
||
|
|
SvREFCNT_dec((SV*)SvIV((SV*)SvRV(ST(0))));
|
||
|
|
|
||
|
|
AV *
|
||
|
|
FETCH(screen, mark)
|
||
|
|
VI::MARK screen
|
||
|
|
char mark
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
struct _mark cursor;
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
INITMESSAGE;
|
||
|
|
rval = api_getmark(screen, (int)mark, &cursor);
|
||
|
|
ENDMESSAGE;
|
||
|
|
RETVAL = newAV();
|
||
|
|
av_push(RETVAL, newSViv(cursor.lno));
|
||
|
|
av_push(RETVAL, newSViv(cursor.cno));
|
||
|
|
|
||
|
|
OUTPUT:
|
||
|
|
RETVAL
|
||
|
|
|
||
|
|
void
|
||
|
|
STORE(screen, mark, pos)
|
||
|
|
VI::MARK screen
|
||
|
|
char mark
|
||
|
|
AVREF pos
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
struct _mark cursor;
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int rval;
|
||
|
|
|
||
|
|
CODE:
|
||
|
|
if (av_len(pos) < 1)
|
||
|
|
croak("cursor position needs 2 elements");
|
||
|
|
INITMESSAGE;
|
||
|
|
cursor.lno = SvIV(*av_fetch(pos, 0, 0));
|
||
|
|
cursor.cno = SvIV(*av_fetch(pos, 1, 0));
|
||
|
|
rval = api_setmark(screen, (int)mark, &cursor);
|
||
|
|
ENDMESSAGE;
|
||
|
|
|
||
|
|
void
|
||
|
|
FIRSTKEY(screen, ...)
|
||
|
|
VI::MARK screen
|
||
|
|
|
||
|
|
ALIAS:
|
||
|
|
NEXTKEY = 1
|
||
|
|
|
||
|
|
PROTOTYPE: $;$
|
||
|
|
|
||
|
|
PREINIT:
|
||
|
|
struct _mark cursor;
|
||
|
|
void (*scr_msg) __P((SCR *, mtype_t, char *, size_t));
|
||
|
|
int next;
|
||
|
|
char key[] = {0, 0};
|
||
|
|
|
||
|
|
PPCODE:
|
||
|
|
if (items == 2) {
|
||
|
|
next = 1;
|
||
|
|
*key = *(char *)SvPV(ST(1),na);
|
||
|
|
} else next = 0;
|
||
|
|
if (api_nextmark(screen, next, key) != 1) {
|
||
|
|
EXTEND(sp, 1);
|
||
|
|
PUSHs(sv_2mortal(newSVpv(key, 1)));
|
||
|
|
} else ST(0) = &sv_undef;
|