inp.c

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		    || eq(s, ".op")
		    || eq(s, ".tf"))
		{
                    if (end) {
                        end->wl_next = alloc(struct wordlist);
                        end->wl_next->wl_prev = end;
                        end = end->wl_next;
                    } else
                        wl_first = end = alloc(struct wordlist);
                    end->wl_word = copy(dd->li_line);

		    if (!eq(s, ".op") && !eq(s, ".tf")) {
			ld->li_next = dd->li_next;
			line_free(dd,FALSE); /* SJB - free this line's memory */
		    } else
			ld = dd;
                } else
                    ld = dd;
            }
      }  /* end for(dd=deck->li_next . . . .  */


      /* we are done handling the control stuff.  Now process remainder of deck  */
      if (deck->li_next) {
            /* There is something left after the controls. */
            fprintf(cp_out, "\nCircuit: %s\n\n", tt);

	    /* Old location of ENHtranslate_poly.  This didn't work, because it
	     * didn't handle models in .SUBCKTs correctly.  Moved to new location below
	     * by SDB on 4.13.2003
	     */

            /* Now expand subcircuit macros. Note that we have to fix
             * the case before we do this but after we deal with the
             * commands.  */
            if (!cp_getvar("nosubckt", VT_BOOL, (char *) &nosubckts))
                if( (deck->li_next = inp_subcktexpand(deck->li_next)) == NULL ){
		      line_free(realdeck,TRUE);
		      line_free(deck->li_actual, TRUE);
		      return;
		} /* done expanding subcircuit macros */


	    /* Now handle translation of spice2c6 POLYs. */
/* New location of ENHtranslate_poly.  This should handle .SUBCKTs better . . . .
 * SDB 4.13.2003.   Comments? mailto:[e-mail]
 */
#ifdef XSPICE
/* gtri - wbk - Translate all SPICE 2G6 polynomial type sources */
            deck->li_next = ENHtranslate_poly(deck->li_next);
/* gtri - end - Translate all SPICE 2G6 polynomial type sources */
#endif

	    line_free(deck->li_actual,FALSE); /* SJB - free memory used by old li_actual (if any) */
            deck->li_actual = realdeck;

	    /* now call inp_dodeck, which loads deck into ft_curckt -- the current circuit. */
            inp_dodeck(deck, tt, wl_first, FALSE, options, filename);

      }     /*  if (deck->li_next) */


#ifdef TRACE
      /* SDB debug statement */
      printf("In inp_spsource, done with dodeck.\n");
#endif

      /* Now that the deck is loaded, do the commands, if there are any */
      if (controls) {
            for (end = wl = wl_reverse(controls); wl; wl = wl->wl_next)
                cp_evloop(wl->wl_word);

            wl_free(end); 
      }
    }

    /* Hitoshi Tanaka */
    if(dbs) tfree(dbs); /* Added */

    /*saj, to process save commands always, not just in batch mode 
     *(breaks encapsulation of frountend and parsing commands slightly)*/
    ft_dotsaves();

    /* Now reset everything.  Pop the control stack, and fix up the IO
     * as it was before the source.  */
    cp_popcontrol();

    cp_curin = lastin;
    cp_curout = lastout;
    cp_curerr = lasterr;
    return;
}


/* This routine is cut in half here because com_rset has to do what
 * follows also. End is the list of commands we execute when the job
 * is finished: we only bother with this if we might be running in
 * batch mode, since it isn't much use otherwise.  */
/*------------------------------------------------------------------
 * It appears that inp_dodeck adds the circuit described by *deck
 * to the current circuit (ft_curckt).  
 *-----------------------------------------------------------------*/
void
inp_dodeck(struct line *deck, char *tt, wordlist *end, bool reuse,
	   struct line *options, char *filename)
     /*fcn arguments:
      *  *deck = the spice deck
      *  *tt = the title of the deck
      *  *end = pointer to the wordlist
      *  reuse
      *  *options
      *  *filename
      */
{
    struct circ *ct;
    struct line *dd;
    char *ckt, *s;
    INPtables *tab;
    struct variable *eev = NULL;
    wordlist *wl;
    bool noparse, ii;

    /* First throw away any old error messages there might be and fix
     * the case of the lines.  */
    for (dd = deck; dd; dd = dd->li_next) {
        if (dd->li_error) {
            tfree(dd->li_error);
            dd->li_error = NULL;
        }
    }
    if (reuse) {
        ct = ft_curckt;
    } else {
        if (ft_curckt) {
            ft_curckt->ci_devices = cp_kwswitch(CT_DEVNAMES, 
                    (char *) NULL);
            ft_curckt->ci_nodes = cp_kwswitch(CT_NODENAMES, 
                    (char *) NULL);
        }
        ft_curckt = ct = alloc(struct circ);
    }
    cp_getvar("noparse", VT_BOOL, (char *) &noparse);

    /*----------------------------------------------------
     * Now assuming that we wanna parse this deck, we call 
     * if_inpdeck which takes the deck and returns a
     * a pointer to the circuit ckt.
     *---------------------------------------------------*/
    if (!noparse)
        ckt = if_inpdeck(deck, &tab);
    else
        ckt = NULL;

    out_init();
    
    /*----------------------------------------------------
     * Now run throuh the deck and look to see if there are
     * errors on any line.
     *---------------------------------------------------*/
    for (dd = deck; dd; dd = dd->li_next) {
      
#ifdef TRACE
      /* SDB debug statement */
      printf("In inp_dodeck, looking for errors and examining line %s . . . \n", dd->li_line); 
#endif
      
      if (dd->li_error) {
	char *p, *q;
	
#ifdef XSPICE
	/* gtri - modify - 12/12/90 - wbk - add setting of ipc syntax error flag */
	g_ipc.syntax_error = IPC_TRUE;
#endif
/* gtri - end - 12/12/90 */

	    p = dd->li_error;
	    do {
		q =strchr(p, '\n');
		if (q)
		    *q = 0;

		if (p == dd->li_error)
		    out_printf("Error on line %d : %s\n\t%s\n",
			dd->li_linenum, dd->li_line, dd->li_error);
		else
		    out_printf("\t%s\n", p);

		if (q)
		    *q++ = '\n';
		p = q;
	    } while (p && *p);
        }  /* end  if (dd->li_error) */
      
    }   /* for (dd = deck; dd; dd = dd->li_next) */


    /* Add this circuit to the circuit list. If reuse is TRUE then use
     * the ft_curckt structure.  */
    if (!reuse) {
        /* Be sure that ci_devices and ci_nodes are valid */
        ft_curckt->ci_devices = cp_kwswitch(CT_DEVNAMES, 
                (char *) NULL);
        cp_kwswitch(CT_DEVNAMES, ft_curckt->ci_devices);
        ft_curckt->ci_nodes = cp_kwswitch(CT_NODENAMES, (char *) NULL);
        cp_kwswitch(CT_NODENAMES, ft_curckt->ci_nodes);
        ft_newcirc(ct);
	/* Assign current circuit */
        ft_curckt = ct;   
    }
    ct->ci_name = tt;
    ct->ci_deck = deck;
    ct->ci_options = options;
    if (deck->li_actual)
        ct->ci_origdeck = deck->li_actual;
    else
        ct->ci_origdeck = ct->ci_deck;
    ct->ci_ckt = ckt;             /* attach the input ckt to the list of circuits */
    ct->ci_symtab = tab;
    ct->ci_inprogress = FALSE;
    ct->ci_runonce = FALSE;
    ct->ci_commands = end;
    if (filename)
        ct->ci_filename = copy(filename);
    else
        ct->ci_filename = NULL;

    if (!noparse) {
        for (; options; options = options->li_next) {
            for (s = options->li_line; *s && !isspace(*s); s++)
                ;
            ii = cp_interactive;
            cp_interactive = FALSE;
            wl = cp_lexer(s);
            cp_interactive = ii;
            if (!wl || !wl->wl_word || !*wl->wl_word)
                continue;
            if (eev)
                eev->va_next = cp_setparse(wl);
            else
                ct->ci_vars = eev = cp_setparse(wl);
            while (eev->va_next)
                eev = eev->va_next;
        }
        for (eev = ct->ci_vars; eev; eev = eev->va_next) {
	    static int one = 1;
            switch (eev->va_type) {
                case VT_BOOL:
		  if_option(ct->ci_ckt, eev->va_name, 
			    eev->va_type, &one);
		  break;
                case VT_NUM:
		  if_option(ct->ci_ckt, eev->va_name, 
			    eev->va_type, (char *) &eev->va_num);
		  break;
                case VT_REAL:
		  if_option(ct->ci_ckt, eev->va_name, 
			    eev->va_type, (char *) &eev->va_real);
		  break;
                case VT_STRING:
		  if_option(ct->ci_ckt, eev->va_name, 
			    eev->va_type, eev->va_string);
		  break;
	    } /* switch  . . . */
        }
    } /* if (!noparse)  . . . */

    cp_addkword(CT_CKTNAMES, tt);
    return;
}


/* Edit and re-load the current input deck.  Note that if these
 * commands are used on a non-unix machine, they will leave spice.tmp
 * junk files lying around.  */
void
com_edit(wordlist *wl)
{
    char *filename;
    FILE *fp;
    bool inter, permfile;
    char buf[BSIZE_SP];

    inter = cp_interactive;
    cp_interactive = FALSE;
    if (wl) {
        if (!doedit(wl->wl_word)) {
            cp_interactive = inter;
            return;
        }
        if (!(fp = inp_pathopen(wl->wl_word, "r"))) {
            perror(wl->wl_word);
            cp_interactive = inter;
            return;
        }
        inp_spsource(fp, FALSE, wl->wl_word);
    } else {
        /* If there is no circuit yet, then create one */
        if (ft_curckt && ft_curckt->ci_filename) {
            filename = ft_curckt->ci_filename;
            permfile = TRUE;
        } else {
            filename = smktemp("sp");
            permfile = FALSE;
        }
        if (ft_curckt && !ft_curckt->ci_filename) {
            if (!(fp = fopen(filename, "w"))) {
                perror(filename);
                cp_interactive = inter;
                return;
            }
            inp_list(fp, ft_curckt->ci_deck, ft_curckt->ci_options,
                LS_DECK);
            fprintf(cp_err,
		    "Warning: editing a temporary file -- "
		    "circuit not saved\n");
            fclose(fp);
        } else if (!ft_curckt) {
            if (!(fp = fopen(filename, "w"))) {
                perror(filename);
                cp_interactive = inter;
                return;
            }
            fprintf(fp, "SPICE 3 test deck\n");
            fclose(fp);
        }
        if (!doedit(filename)) {
            cp_interactive = inter;
            return;
        }

        if (!(fp = fopen(filename, "r"))) {
            perror(filename);
            cp_interactive = inter;
            return;
        }
        inp_spsource(fp, FALSE, permfile ? filename : (char *) NULL);
        
        /* fclose(fp);  */
        /*	MW. inp_spsource already closed fp */
        
        if (ft_curckt && !ft_curckt->ci_filename)
            unlink(filename);
    }

    cp_interactive = inter;

    /* note: default is to run circuit after successful edit */

    fprintf(cp_out, "run circuit? ");
    fflush(cp_out);
    fgets(buf, BSIZE_SP, stdin);
    if (buf[0] != 'n') {
      fprintf(cp_out, "running circuit\n");
      com_run(NULL);
    }

    return;
}

static bool
doedit(char *filename)
{
    char buf[BSIZE_SP], buf2[BSIZE_SP], *editor; 

    if (cp_getvar("editor", VT_STRING, buf2)) {
        editor = buf2;
    } else {
        if (!(editor = getenv("EDITOR"))) {
            if (Def_Editor && *Def_Editor)
	        editor = Def_Editor;
	    else
	        editor = "/usr/bin/vi";
	}
    }
    sprintf(buf, "%s %s", editor, filename);
    return (system(buf) ? FALSE : TRUE);

}

void
com_source(wordlist *wl)
{
    
    FILE *fp, *tp;
    char buf[BSIZE_SP];
    bool inter;
    char *tempfile = NULL;
    
    wordlist *owl = wl;
    int i;

    inter = cp_interactive;
    cp_interactive = FALSE;
    if (wl->wl_next) {
        /* There are several files -- put them into a temp file  */
        tempfile = smktemp("sp");
        if (!(fp = inp_pathopen(tempfile, "w+"))) {
            perror(tempfile);
            cp_interactive = TRUE;
            return;
        }
        while (wl) {
            if (!(tp = inp_pathopen(wl->wl_word, "r"))) {
                perror(wl->wl_word);
                fclose(fp);
                cp_interactive = TRUE;
                unlink(tempfile);
                return;
            }
            while ((i = fread(buf, 1, BSIZE_SP, tp)) > 0)
                fwrite(buf, 1, i, fp);
            fclose(tp);
            wl = wl->wl_next;
        }
        fseek(fp, (long) 0, 0);
    } else
        fp = inp_pathopen(wl->wl_word, "r");
    if (fp == NULL) {
        perror(wl->wl_word);
        cp_interactive = TRUE;
        return;
    }

    /* Don't print the title if this is a spice initialisation file. */
    if (ft_nutmeg || substring(INITSTR, owl->wl_word)
            || substring(ALT_INITSTR, owl->wl_word))
        inp_spsource(fp, TRUE, tempfile ? (char *) NULL : wl->wl_word);
    else
        inp_spsource(fp, FALSE, tempfile ? (char *) NULL : wl->wl_word);
    cp_interactive = inter;
    if (tempfile)
        unlink(tempfile);
    return;
}

void
inp_source(char *file)
{
    static struct wordlist wl = { NULL, NULL, NULL } ;
    wl.wl_word = file;
    com_source(&wl);
    return;
}