#include "l.h"
void
listinit(void)
{
fmtinstall('R', Rconv);
fmtinstall('A', Aconv);
fmtinstall('D', Dconv);
fmtinstall('S', Sconv);
fmtinstall('P', Pconv);
}
static Prog *bigP;
int
Pconv(Fmt *fp)
{
char str[STRINGSZ];
Prog *p;
p = va_arg(fp->args, Prog*);
bigP = p;
if(p->as == ADATA)
sprint(str, "(%ld) %A %D/%d,%D",
p->line, p->as, &p->from, p->from.scale, &p->to);
else
if(p->type != D_NONE) {
if(p->type >= D_R0 && p->type < D_R0+32)
sprint(str, "(%ld) %A %D,%R,%D",
p->line, p->as, &p->from, (int)p->type, &p->to);
else
if(p->type == D_CONST)
sprint(str, "(%ld) %A %D,$%d,%D",
p->line, p->as, &p->from, p->offset, &p->to);
else
sprint(str, "(%ld) %A %D,gok(%d),%D",
p->line, p->as, &p->from, p->type, &p->to);
} else
sprint(str, "(%ld) %A %D,%D",
p->line, p->as, &p->from, &p->to);
bigP = P;
return fmtstrcpy(fp, str);
}
int
Aconv(Fmt *fp)
{
int i;
i = va_arg(fp->args, int);
return fmtstrcpy(fp, anames[i]);
}
int
Xconv(Fmt *fp)
{
char str[20];
int i0, i1;
str[0] = 0;
i0 = va_arg(fp->args, int);
i1 = va_arg(fp->args, int);
if(i0 != D_NONE)
sprint(str, "(%R*%d)", i0, i1);
return fmtstrcpy(fp, str);
}
int
Dconv(Fmt *fp)
{
char str[40], s[20];
Adr *a;
int i;
a = va_arg(fp->args, Adr*);
i = a->type;
if(i >= D_INDIR) {
if(a->offset)
sprint(str, "%ld(%R)", a->offset, i-D_INDIR);
else
sprint(str, "(%R)", i-D_INDIR);
goto brk;
}
switch(i) {
default:
sprint(str, "%R", i);
break;
case D_NONE:
str[0] = 0;
break;
case D_BRANCH:
if(bigP != P && bigP->cond != P)
if(a->sym != S)
sprint(str, "%lux+%s", bigP->cond->pc,
a->sym->name);
else
sprint(str, "%lux", bigP->cond->pc);
else
sprint(str, "%ld(PC)", a->offset);
break;
case D_EXTERN:
sprint(str, "%s+%ld(SB)", a->sym->name, a->offset);
break;
case D_STATIC:
sprint(str, "%s<%d>+%ld(SB)", a->sym->name,
a->sym->version, a->offset);
break;
case D_AUTO:
sprint(str, "%s+%ld(SP)", a->sym->name, a->offset);
break;
case D_PARAM:
if(a->sym)
sprint(str, "%s+%ld(FP)", a->sym->name, a->offset);
else
sprint(str, "%ld(FP)", a->offset);
break;
case D_CONST:
sprint(str, "$%ld", a->offset);
break;
case D_FCONST:
sprint(str, "$(%.8lux,%.8lux)", a->ieee.h, a->ieee.l);
break;
case D_SCONST:
sprint(str, "$\"%S\"", a->scon);
break;
case D_ADDR:
a->type = a->index;
a->index = D_NONE;
sprint(str, "$%D", a);
a->index = a->type;
a->type = D_ADDR;
goto conv;
}
brk:
if(a->index != D_NONE) {
sprint(s, "(%R*%d)", a->index, a->scale);
strcat(str, s);
}
conv:
return fmtstrcpy(fp, str);
}
int
Rconv(Fmt *fp)
{
char str[20];
int r;
r = va_arg(fp->args, int);
if(r >= D_R0 && r < D_R0+32)
sprint(str, "R%d", r);
else
if(r == D_NONE)
sprint(str, "");
else
sprint(str, "gok(%d)", r);
return fmtstrcpy(fp, str);
}
int
Sconv(Fmt *fp)
{
int i, c;
char str[30], *p, *a;
a = va_arg(fp->args, char*);
p = str;
for(i=0; i<sizeof(double); i++) {
c = a[i] & 0xff;
if(c >= 'a' && c <= 'z' ||
c >= 'A' && c <= 'Z' ||
c >= '0' && c <= '9') {
*p++ = c;
continue;
}
*p++ = '\\';
switch(c) {
default:
if(c < 040 || c >= 0177)
break; /* not portable */
p[-1] = c;
continue;
case 0:
*p++ = 'z';
continue;
case '\\':
case '"':
*p++ = c;
continue;
case '\n':
*p++ = 'n';
continue;
case '\t':
*p++ = 't';
continue;
}
*p++ = (c>>6) + '0';
*p++ = ((c>>3) & 7) + '0';
*p++ = (c & 7) + '0';
}
*p = 0;
return fmtstrcpy(fp, str);
}
void
diag(char *fmt, ...)
{
char buf[STRINGSZ], *tn;
va_list arg;
tn = "??none??";
if(curtext != P && curtext->from.sym != S)
tn = curtext->from.sym->name;
va_start(arg, fmt);
vseprint(buf, buf+sizeof(buf), fmt, arg);
va_end(arg);
print("%s: %s\n", tn, buf);
nerrors++;
if(nerrors > 10) {
print("too many errors\n");
errorexit();
}
}