181 lines
3.6 KiB
C
181 lines
3.6 KiB
C
/* $NetBSD: ex_perl.c,v 1.2 1998/01/09 08:07:56 perry Exp $ */
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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[] = "@(#)ex_perl.c 8.6 (Berkeley) 3/18/96";
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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 <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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#ifdef HAVE_PERL_INTERP
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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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static int perl_eval(string)
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char *string;
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{
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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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}
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#else
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static void
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noperl(scrp)
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SCR *scrp;
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{
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msgq(scrp, M_ERR, "306|Vi was not loaded with a Perl interpreter");
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}
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#endif
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/*
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* 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 ex_perl __P((SCR*, EXCMD *));
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*/
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int
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ex_perl(scrp, cmdp)
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SCR *scrp;
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EXCMD *cmdp;
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{
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#ifdef HAVE_PERL_INTERP
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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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char *err, buf[64];
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/* Initialize the interpreter. */
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gp = scrp->gp;
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if (gp->perl_interp == NULL && perl_init(gp))
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return (1);
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/* Skip leading white space. */
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if (cmdp->argc != 0)
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for (p = cmdp->argv[0]->bp,
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len = cmdp->argv[0]->len; len > 0; --len, ++p)
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if (!isblank(*p))
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break;
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if (cmdp->argc == 0 || len == 0) {
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ex_emsg(scrp, cmdp->cmd->usage, EXM_USAGE);
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return (1);
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}
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(void)snprintf(buf, sizeof(buf),
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"$VI::ScreenId=%d;$VI::StartLine=%lu;$VI::StopLine=%lu",
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scrp->id, cmdp->addr1.lno, cmdp->addr2.lno);
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perl_eval(buf);
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perl_eval(cmdp->argv[0]->bp);
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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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#else
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noperl(scrp);
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return (1);
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#endif /* HAVE_PERL_INTERP */
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}
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/*
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* 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 ex_perldo __P((SCR*, EXCMD *));
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*/
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int
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ex_perldo(scrp, cmdp)
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SCR *scrp;
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EXCMD *cmdp;
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{
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#ifdef HAVE_PERL_INTERP
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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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int i;
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char *str, *argv[2];
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dSP;
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/* Initialize the interpreter. */
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gp = scrp->gp;
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if (gp->perl_interp == NULL && perl_init(gp))
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return (1);
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/* Skip leading white space. */
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if (cmdp->argc != 0)
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for (p = cmdp->argv[0]->bp,
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len = cmdp->argv[0]->len; len > 0; --len, ++p)
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if (!isblank(*p))
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break;
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if (cmdp->argc == 0 || len == 0) {
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ex_emsg(scrp, cmdp->cmd->usage, EXM_USAGE);
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return (1);
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}
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argv[0] = cmdp->argv[0]->bp;
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argv[1] = NULL;
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ENTER;
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SAVETMPS;
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for (i = cmdp->addr1.lno; i <= cmdp->addr2.lno; i++) {
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/*api_gline(scrp, i, argv+1, &len);*/
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api_gline(scrp, i, &str, &len);
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sv_setpvn(perl_get_sv("_", FALSE),str,len);
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perl_call_argv("_eval_", G_SCALAR | G_EVAL | G_KEEPERR, argv);
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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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str = SvPV(perl_get_sv("_", FALSE),len);
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api_sline(scrp, i, str, len);
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}
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PUTBACK;
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}
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FREETMPS;
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LEAVE;
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if (!length)
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return (0);
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str[length - 1] = '\0';
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msgq(scrp, M_ERR, "perl: %s", str);
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return (1);
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#else
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noperl(scrp);
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return (1);
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#endif /* HAVE_PERL_INTERP */
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}
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