void sig_handler(int sig)
{
if (sig == SIGSEGV)
{
ft_putstr("parse error\n");
execve(returncurr(NULL, NULL), NULL, g_environ);
return ;
}
ft_putchar('\n');
if (!returnrun(0, 0))
putprompt();
}
void
setvideomode(int ax, int bx, int cx, int dx)
{
if (g_disk_flag)
{
enddisk();
}
if (videoflag)
{
endvideo();
videoflag = 0;
}
g_good_mode = true;
switch (g_dot_mode)
{
case 0: // text
clear();
/*
touchwin(curwin);
*/
wrefresh(curwin);
break;
case 11:
startdisk();
dotwrite = writedisk;
dotread = readdisk;
lineread = normalineread;
linewrite = normaline;
break;
case 19: // X window
putprompt();
dotwrite = writevideo;
dotread = readvideo;
lineread = readvideoline;
linewrite = writevideoline;
videoflag = 1;
startvideo();
setforgraphics();
break;
default:
std::printf("Bad mode %d\n", g_dot_mode);
exit(-1);
}
if (g_dot_mode != 0)
{
loaddac();
g_and_color = g_colors - 1;
g_box_count = 0;
}
g_vesa_x_res = g_screen_x_dots;
g_vesa_y_res = g_screen_y_dots;
}
union node *
parsecmd(interact) {
int t;
doprompt = interact;
if (doprompt)
putprompt(ps1val());
needprompt = 0;
if ((t = readtoken()) == TEOF)
return NEOF;
if (t == TNL)
return NULL;
tokpushback++;
return list(1);
}
STATIC void
parseheredoc() {
struct heredoc *here;
union node *n;
while (heredoclist) {
here = heredoclist;
heredoclist = here->next;
if (needprompt) {
putprompt(ps2val());
needprompt = 0;
}
readtoken1(pgetc(), here->here->type == NHERE? SQSYNTAX : DQSYNTAX,
here->eofmark, here->striptabs);
n = (union node *)stalloc(sizeof (struct narg));
n->narg.type = NARG;
n->narg.next = NULL;
n->narg.text = wordtext;
n->narg.backquote = backquotelist;
here->here->nhere.doc = n;
}
}
STATIC int
xxreadtoken() {
register c;
if (tokpushback) {
tokpushback = 0;
return lasttoken;
}
if (needprompt) {
putprompt(ps2val());
needprompt = 0;
}
startlinno = plinno;
for (;;) { /* until token or start of word found */
c = pgetc_macro();
if (c == ' ' || c == '\t')
continue; /* quick check for white space first */
switch (c) {
case ' ': case '\t':
continue;
case '#':
while ((c = pgetc()) != '\n' && c != PEOF);
pungetc();
continue;
case '\\':
if (pgetc() == '\n') {
startlinno = ++plinno;
if (doprompt)
putprompt(ps2val());
continue;
}
pungetc();
goto breakloop;
case '\n':
plinno++;
needprompt = doprompt;
RETURN(TNL);
case PEOF:
RETURN(TEOF);
case '&':
if (pgetc() == '&')
RETURN(TAND);
pungetc();
RETURN(TBACKGND);
case '|':
if (pgetc() == '|')
RETURN(TOR);
pungetc();
RETURN(TPIPE);
case ';':
if (pgetc() == ';')
RETURN(TENDCASE);
pungetc();
RETURN(TSEMI);
case '(':
RETURN(TLP);
case ')':
RETURN(TRP);
default:
goto breakloop;
}
}
breakloop:
return readtoken1(c, BASESYNTAX, (char *)NULL, 0);
#undef RETURN
}