247 lines
4 KiB
C
247 lines
4 KiB
C
#include "l.h"
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void
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listinit(void)
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{
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fmtinstall('A', Aconv);
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fmtinstall('D', Dconv);
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fmtinstall('P', Pconv);
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fmtinstall('S', Sconv);
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fmtinstall('N', Nconv);
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}
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void
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prasm(Prog *p)
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{
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print("%P\n", p);
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}
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int
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Pconv(Fmt *fp)
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{
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char str[STRINGSZ];
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Prog *p;
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int a;
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p = va_arg(fp->args, Prog*);
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curp = p;
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a = p->as;
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if(a == ADATA)
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sprint(str, "(%ld) %A %D/%d,%D",
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p->line, a, &p->from, p->reg, &p->to);
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else
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if(p->reg == NREG)
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sprint(str, "(%ld) %A %D,%D",
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p->line, a, &p->from, &p->to);
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else
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if(p->from.type != D_FREG)
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sprint(str, "(%ld) %A %D,R%d,%D",
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p->line, a, &p->from, p->reg, &p->to);
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else
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sprint(str, "(%ld) %A %D,F%d,%D",
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p->line, a, &p->from, p->reg, &p->to);
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return fmtstrcpy(fp, str);
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}
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int
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Aconv(Fmt *fp)
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{
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char *s;
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int a;
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a = va_arg(fp->args, int);
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s = "???";
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if(a >= AXXX && a <= AEND)
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s = anames[a];
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return fmtstrcpy(fp, s);
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}
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int
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Dconv(Fmt *fp)
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{
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char str[STRINGSZ];
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Adr *a;
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long v;
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a = va_arg(fp->args, Adr*);
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switch(a->type) {
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default:
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sprint(str, "GOK-type(%d)", a->type);
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break;
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case D_NONE:
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str[0] = 0;
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if(a->name != D_NONE || a->reg != NREG || a->sym != S)
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sprint(str, "%N(R%d)(NONE)", a, a->reg);
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break;
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case D_CONST:
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sprint(str, "$%N", a);
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if(a->reg != NREG)
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sprint(str, "%N(R%d)(CONST)", a, a->reg);
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break;
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case D_OREG:
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if(a->reg != NREG)
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sprint(str, "%N(R%d)", a, a->reg);
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else
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sprint(str, "%N", a);
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break;
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case D_REG:
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sprint(str, "R%d", a->reg);
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if(a->name != D_NONE || a->sym != S)
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sprint(str, "%N(R%d)(REG)", a, a->reg);
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break;
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case D_PREG:
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sprint(str, "P%d", a->reg & 255);
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if(a->name != D_NONE || a->sym != S)
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sprint(str, "%N(R%d)(PREG)", a, a->reg);
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break;
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case D_FREG:
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sprint(str, "F%d", a->reg);
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if(a->name != D_NONE || a->sym != S)
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sprint(str, "%N(R%d)(FREG)", a, a->reg);
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break;
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case D_FCREG:
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sprint(str, "FPCR");
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if(a->name != D_NONE || a->sym != S)
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sprint(str, "%N(R%d)(FCREG)", a, a->reg);
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break;
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case D_BRANCH: /* botch */
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if(curp->cond != P) {
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v = curp->cond->pc;
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if(v >= INITTEXT)
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v -= INITTEXT-HEADR;
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if(a->sym != S)
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sprint(str, "%s+%.5lux(BRANCH)", a->sym->name, v);
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else
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sprint(str, "%.5lux(BRANCH)", v);
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} else
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if(a->sym != S)
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sprint(str, "%s+%lld(APC)", a->sym->name, a->offset);
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else
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sprint(str, "%lld(APC)", a->offset);
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break;
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case D_FCONST:
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sprint(str, "$%e", ieeedtod(a->ieee));
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break;
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case D_SCONST:
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sprint(str, "$\"%S\"", a->sval);
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break;
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}
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return fmtstrcpy(fp, str);
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}
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int
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Nconv(Fmt *fp)
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{
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char str[STRINGSZ];
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Adr *a;
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Sym *s;
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a = va_arg(fp->args, Adr*);
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s = a->sym;
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if(s == S) {
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sprint(str, "%lld", a->offset);
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goto out;
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}
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switch(a->name) {
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default:
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sprint(str, "GOK-name(%d)", a->name);
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break;
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case D_NONE:
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sprint(str, "%lld", a->offset);
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break;
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case D_EXTERN:
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sprint(str, "%s+%lld(SB)", s->name, a->offset);
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break;
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case D_STATIC:
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sprint(str, "%s<>+%lld(SB)", s->name, a->offset);
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break;
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case D_AUTO:
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sprint(str, "%s-%lld(SP)", s->name, -a->offset);
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break;
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case D_PARAM:
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sprint(str, "%s+%lld(FP)", s->name, a->offset);
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break;
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}
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out:
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return fmtstrcpy(fp, str);
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}
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int
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Sconv(Fmt *fp)
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{
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int i, c;
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char str[STRINGSZ], *p, *a;
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a = va_arg(fp->args, char*);
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p = str;
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for(i=0; i<sizeof(long); i++) {
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c = a[i] & 0xff;
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if(c >= 'a' && c <= 'z' ||
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c >= 'A' && c <= 'Z' ||
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c >= '0' && c <= '9' ||
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c == ' ' || c == '%') {
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*p++ = c;
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continue;
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}
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*p++ = '\\';
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switch(c) {
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case 0:
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*p++ = 'z';
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continue;
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case '\\':
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case '"':
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*p++ = c;
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continue;
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case '\n':
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*p++ = 'n';
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continue;
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case '\t':
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*p++ = 't';
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continue;
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}
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*p++ = (c>>6) + '0';
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*p++ = ((c>>3) & 7) + '0';
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*p++ = (c & 7) + '0';
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}
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*p = 0;
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return fmtstrcpy(fp, str);
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}
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void
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diag(char *fmt, ...)
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{
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char buf[STRINGSZ], *tn;
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va_list arg;
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tn = "??none??";
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if(curtext != P && curtext->from.sym != S)
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tn = curtext->from.sym->name;
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va_start(arg, fmt);
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vseprint(buf, buf+sizeof(buf), fmt, arg);
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va_end(arg);
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print("%s: %s\n", tn, buf);
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nerrors++;
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if(nerrors > 10) {
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print("too many errors\n");
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errorexit();
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}
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}
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