Rev 2 | Blame | Compare with Previous | Last modification | View Log | RSS feed
#include <u.h>
#include <libc.h>
#include <bio.h>
#include <ctype.h>
#include <mach.h>
#include <regexp.h>
#define Extern extern
#include "acid.h"
#include "y.tab.h"
void cvtatof(Node*, Node*);
void cvtatoi(Node*, Node*);
void cvtitoa(Node*, Node*);
void bprint(Node*, Node*);
void funcbound(Node*, Node*);
void printto(Node*, Node*);
void getfile(Node*, Node*);
void fmt(Node*, Node*);
void pcfile(Node*, Node*);
void pcline(Node*, Node*);
void setproc(Node*, Node*);
void strace(Node*, Node*);
void follow(Node*, Node*);
void reason(Node*, Node*);
void newproc(Node*, Node*);
void startstop(Node*, Node*);
void match(Node*, Node*);
void status(Node*, Node*);
void kill(Node*,Node*);
void waitstop(Node*, Node*);
void stop(Node*, Node*);
void start(Node*, Node*);
void filepc(Node*, Node*);
void doerror(Node*, Node*);
void rc(Node*, Node*);
void doaccess(Node*, Node*);
void map(Node*, Node*);
void readfile(Node*, Node*);
void interpret(Node*, Node*);
void include(Node*, Node*);
void regexp(Node*, Node*);
void dosysr1(Node*, Node*);
void fmtof(Node*, Node*) ;
void dofmtsize(Node*, Node*) ;
typedef struct Btab Btab;
struct Btab
{
char *name;
void (*fn)(Node*, Node*);
} tab[] =
{
"atof", cvtatof,
"atoi", cvtatoi,
"error", doerror,
"file", getfile,
"readfile", readfile,
"access", doaccess,
"filepc", filepc,
"fnbound", funcbound,
"fmt", fmt,
"follow", follow,
"itoa", cvtitoa,
"kill", kill,
"match", match,
"newproc", newproc,
"pcfile", pcfile,
"pcline", pcline,
"print", bprint,
"printto", printto,
"rc", rc,
"reason", reason,
"setproc", setproc,
"start", start,
"startstop", startstop,
"status", status,
"stop", stop,
"strace", strace,
"sysr1", dosysr1,
"waitstop", waitstop,
"map", map,
"interpret", interpret,
"include", include,
"regexp", regexp,
"fmtof", fmtof,
"fmtsize", dofmtsize,
0
};
char vfmt[] = "aBbcCdDfFgGiIoOqQrRsSuUVWxXYZ38";
void
mkprint(Lsym *s)
{
prnt = malloc(sizeof(Node));
memset(prnt, 0, sizeof(Node));
prnt->op = OCALL;
prnt->left = malloc(sizeof(Node));
memset(prnt->left, 0, sizeof(Node));
prnt->left->sym = s;
}
void
installbuiltin(void)
{
Btab *b;
Lsym *s;
b = tab;
while(b->name) {
s = look(b->name);
if(s == 0)
s = enter(b->name, Tid);
s->builtin = b->fn;
if(b->fn == bprint)
mkprint(s);
b++;
}
}
void
dosysr1(Node *r, Node*)
{
extern int sysr1(void);
r->op = OCONST;
r->type = TINT;
r->fmt = 'D';
r->ival = sysr1();
}
void
match(Node *r, Node *args)
{
int i;
List *f;
Node *av[Maxarg];
Node resi, resl;
na = 0;
flatten(av, args);
if(na != 2)
error("match(obj, list): arg count");
expr(av[1], &resl);
if(resl.type != TLIST)
error("match(obj, list): need list");
expr(av[0], &resi);
r->op = OCONST;
r->type = TINT;
r->fmt = 'D';
r->ival = -1;
i = 0;
for(f = resl.l; f; f = f->next) {
if(resi.type == f->type) {
switch(resi.type) {
case TINT:
if(resi.ival == f->ival) {
r->ival = i;
return;
}
break;
case TFLOAT:
if(resi.fval == f->fval) {
r->ival = i;
return;
}
break;
case TSTRING:
if(scmp(resi.string, f->string)) {
r->ival = i;
return;
}
break;
case TLIST:
error("match(obj, list): not defined for list");
}
}
i++;
}
}
void
newproc(Node *r, Node *args)
{
int i;
Node res;
char *p, *e;
char *argv[Maxarg], buf[Strsize];
i = 1;
argv[0] = aout;
if(args) {
expr(args, &res);
if(res.type != TSTRING)
error("newproc(): arg not string");
if(res.string->len >= sizeof(buf))
error("newproc(): too many arguments");
memmove(buf, res.string->string, res.string->len);
buf[res.string->len] = '\0';
p = buf;
e = buf+res.string->len;
for(;;) {
while(p < e && (*p == '\t' || *p == ' '))
*p++ = '\0';
if(p >= e)
break;
argv[i++] = p;
if(i >= Maxarg)
error("newproc: too many arguments");
while(p < e && *p != '\t' && *p != ' ')
p++;
}
}
argv[i] = 0;
r->op = OCONST;
r->type = TINT;
r->fmt = 'D';
r->ival = nproc(argv);
}
void
startstop(Node *r, Node *args)
{
Node res;
USED(r);
if(args == 0)
error("startstop(pid): no pid");
expr(args, &res);
if(res.type != TINT)
error("startstop(pid): arg type");
msg(res.ival, "startstop");
notes(res.ival);
dostop(res.ival);
}
void
waitstop(Node *r, Node *args)
{
Node res;
USED(r);
if(args == 0)
error("waitstop(pid): no pid");
expr(args, &res);
if(res.type != TINT)
error("waitstop(pid): arg type");
Bflush(bout);
msg(res.ival, "waitstop");
notes(res.ival);
dostop(res.ival);
}
void
start(Node *r, Node *args)
{
Node res;
USED(r);
if(args == 0)
error("start(pid): no pid");
expr(args, &res);
if(res.type != TINT)
error("start(pid): arg type");
msg(res.ival, "start");
}
void
stop(Node *r, Node *args)
{
Node res;
USED(r);
if(args == 0)
error("stop(pid): no pid");
expr(args, &res);
if(res.type != TINT)
error("stop(pid): arg type");
Bflush(bout);
msg(res.ival, "stop");
notes(res.ival);
dostop(res.ival);
}
void
kill(Node *r, Node *args)
{
Node res;
USED(r);
if(args == 0)
error("kill(pid): no pid");
expr(args, &res);
if(res.type != TINT)
error("kill(pid): arg type");
msg(res.ival, "kill");
deinstall(res.ival);
}
void
status(Node *r, Node *args)
{
Node res;
char *p;
USED(r);
if(args == 0)
error("status(pid): no pid");
expr(args, &res);
if(res.type != TINT)
error("status(pid): arg type");
p = getstatus(res.ival);
r->string = strnode(p);
r->op = OCONST;
r->fmt = 's';
r->type = TSTRING;
}
void
reason(Node *r, Node *args)
{
Node res;
if(args == 0)
error("reason(cause): no cause");
expr(args, &res);
if(res.type != TINT)
error("reason(cause): arg type");
r->op = OCONST;
r->type = TSTRING;
r->fmt = 's';
r->string = strnode((*machdata->excep)(cormap, rget));
}
void
follow(Node *r, Node *args)
{
int n, i;
Node res;
uvlong f[10];
List **tail, *l;
if(args == 0)
error("follow(addr): no addr");
expr(args, &res);
if(res.type != TINT)
error("follow(addr): arg type");
n = (*machdata->foll)(cormap, res.ival, rget, f);
if (n < 0)
error("follow(addr): %r");
tail = &r->l;
for(i = 0; i < n; i++) {
l = al(TINT);
l->ival = f[i];
l->fmt = 'X';
*tail = l;
tail = &l->next;
}
}
void
funcbound(Node *r, Node *args)
{
int n;
Node res;
uvlong bounds[2];
List *l;
if(args == 0)
error("fnbound(addr): no addr");
expr(args, &res);
if(res.type != TINT)
error("fnbound(addr): arg type");
n = fnbound(res.ival, bounds);
if (n != 0) {
r->l = al(TINT);
l = r->l;
l->ival = bounds[0];
l->fmt = 'X';
l->next = al(TINT);
l = l->next;
l->ival = bounds[1];
l->fmt = 'X';
}
}
void
setproc(Node *r, Node *args)
{
Node res;
USED(r);
if(args == 0)
error("setproc(pid): no pid");
expr(args, &res);
if(res.type != TINT)
error("setproc(pid): arg type");
sproc(res.ival);
}
void
filepc(Node *r, Node *args)
{
Node res;
char *p, c;
if(args == 0)
error("filepc(filename:line): arg count");
expr(args, &res);
if(res.type != TSTRING)
error("filepc(filename:line): arg type");
p = strchr(res.string->string, ':');
if(p == 0)
error("filepc(filename:line): bad arg format");
c = *p;
*p++ = '\0';
r->ival = file2pc(res.string->string, strtol(p, 0, 0));
p[-1] = c;
if(r->ival == ~0)
error("filepc(filename:line): can't find address");
r->op = OCONST;
r->type = TINT;
r->fmt = 'V';
}
void
interpret(Node *r, Node *args)
{
Node res;
int isave;
if(args == 0)
error("interpret(string): arg count");
expr(args, &res);
if(res.type != TSTRING)
error("interpret(string): arg type");
pushstr(&res);
isave = interactive;
interactive = 0;
r->ival = yyparse();
interactive = isave;
popio();
r->op = OCONST;
r->type = TINT;
r->fmt = 'D';
}
void
include(Node *r, Node *args)
{
Node res;
int isave;
if(args == 0)
error("include(string): arg count");
expr(args, &res);
if(res.type != TSTRING)
error("include(string): arg type");
pushfile(res.string->string);
isave = interactive;
interactive = 0;
r->ival = yyparse();
interactive = isave;
popio();
r->op = OCONST;
r->type = TINT;
r->fmt = 'D';
}
void
rc(Node *r, Node *args)
{
Node res;
int pid;
char *p, *q, *argv[4];
Waitmsg *w;
USED(r);
if(args == 0)
error("error(string): arg count");
expr(args, &res);
if(res.type != TSTRING)
error("error(string): arg type");
argv[0] = "/bin/rc";
argv[1] = "-c";
argv[2] = res.string->string;
argv[3] = 0;
pid = fork();
switch(pid) {
case -1:
error("fork %r");
case 0:
exec("/bin/rc", argv);
exits(0);
default:
w = waitfor(pid);
break;
}
p = w->msg;
q = strrchr(p, ':');
if (q)
p = q+1;
r->op = OCONST;
r->type = TSTRING;
r->string = strnode(p);
free(w);
r->fmt = 's';
}
void
doerror(Node *r, Node *args)
{
Node res;
USED(r);
if(args == 0)
error("error(string): arg count");
expr(args, &res);
if(res.type != TSTRING)
error("error(string): arg type");
error(res.string->string);
}
void
doaccess(Node *r, Node *args)
{
Node res;
if(args == 0)
error("access(filename): arg count");
expr(args, &res);
if(res.type != TSTRING)
error("access(filename): arg type");
r->op = OCONST;
r->type = TINT;
r->ival = 0;
if(access(res.string->string, 4) == 0)
r->ival = 1;
}
void
readfile(Node *r, Node *args)
{
Node res;
int n, fd;
char *buf;
Dir *db;
if(args == 0)
error("readfile(filename): arg count");
expr(args, &res);
if(res.type != TSTRING)
error("readfile(filename): arg type");
fd = open(res.string->string, OREAD);
if(fd < 0)
return;
db = dirfstat(fd);
if(db == nil || db->length == 0)
n = 8192;
else
n = db->length;
free(db);
buf = malloc(n);
n = read(fd, buf, n);
if(n > 0) {
r->op = OCONST;
r->type = TSTRING;
r->string = strnodlen(buf, n);
r->fmt = 's';
}
free(buf);
close(fd);
}
void
getfile(Node *r, Node *args)
{
int n;
char *p;
Node res;
String *s;
Biobuf *bp;
List **l, *new;
if(args == 0)
error("file(filename): arg count");
expr(args, &res);
if(res.type != TSTRING)
error("file(filename): arg type");
r->op = OCONST;
r->type = TLIST;
r->l = 0;
p = res.string->string;
bp = Bopen(p, OREAD);
if(bp == 0)
return;
l = &r->l;
for(;;) {
p = Brdline(bp, '\n');
n = Blinelen(bp);
if(p == 0) {
if(n == 0)
break;
s = strnodlen(0, n);
Bread(bp, s->string, n);
}
else
s = strnodlen(p, n-1);
new = al(TSTRING);
new->string = s;
new->fmt = 's';
*l = new;
l = &new->next;
}
Bterm(bp);
}
void
cvtatof(Node *r, Node *args)
{
Node res;
if(args == 0)
error("atof(string): arg count");
expr(args, &res);
if(res.type != TSTRING)
error("atof(string): arg type");
r->op = OCONST;
r->type = TFLOAT;
r->fval = atof(res.string->string);
r->fmt = 'f';
}
void
cvtatoi(Node *r, Node *args)
{
Node res;
if(args == 0)
error("atoi(string): arg count");
expr(args, &res);
if(res.type != TSTRING)
error("atoi(string): arg type");
r->op = OCONST;
r->type = TINT;
r->ival = strtoull(res.string->string, 0, 0);
r->fmt = 'V';
}
static char *fmtflags = "-0123456789. #,u";
static char *fmtverbs = "bdox";
static int
acidfmt(char *fmt, char *buf, int blen)
{
char *r, *w, *e;
w = buf;
e = buf+blen;
for(r=fmt; *r; r++){
if(w >= e)
return -1;
if(*r != '%'){
*w++ = *r;
continue;
}
if(*r == '%'){
*w++ = *r++;
if(*r == '%'){
if(w >= e)
return -1;
*w++ = *r;
continue;
}
while(*r && strchr(fmtflags, *r)){
if(w >= e)
return -1;
*w++ = *r++;
}
if(*r == 0 || strchr(fmtverbs, *r) == nil)
return -1;
if(w+3 > e)
return -1;
*w++ = 'l';
*w++ = 'l';
*w++ = *r;
}
}
if(w >= e)
return -1;
*w = 0;
return 0;
}
void
cvtitoa(Node *r, Node *args)
{
Node res;
Node *av[Maxarg];
vlong ival;
char buf[128], fmt[32];
if(args == 0)
err:
error("itoa(number [, fmt]): arg count");
na = 0;
flatten(av, args);
if(na == 0 || na > 2)
goto err;
expr(av[0], &res);
if(res.type != TINT)
error("itoa(number [, fmt]): arg type");
ival = res.ival;
strncpy(fmt, "%lld", sizeof(fmt));
if(na == 2){
expr(av[1], &res);
if(res.type != TSTRING)
error("itoa(number [, fmt]): fmt type");
if(acidfmt(res.string->string, fmt, sizeof(buf)))
error("itoa(number [, fmt]): malformed fmt");
}
snprint(buf, sizeof(buf), fmt, ival);
r->op = OCONST;
r->type = TSTRING;
r->string = strnode(buf);
r->fmt = 's';
}
List*
mapent(Map *m)
{
int i;
List *l, *n, **t, *h;
h = 0;
t = &h;
for(i = 0; i < m->nsegs; i++) {
if(m->seg[i].inuse == 0)
continue;
l = al(TSTRING);
n = al(TLIST);
n->l = l;
*t = n;
t = &n->next;
l->string = strnode(m->seg[i].name);
l->fmt = 's';
l->next = al(TINT);
l = l->next;
l->ival = m->seg[i].b;
l->fmt = 'W';
l->next = al(TINT);
l = l->next;
l->ival = m->seg[i].e;
l->fmt = 'W';
l->next = al(TINT);
l = l->next;
l->ival = m->seg[i].f;
l->fmt = 'W';
}
return h;
}
void
map(Node *r, Node *args)
{
int i;
Map *m;
List *l;
char *ent;
Node *av[Maxarg], res;
na = 0;
flatten(av, args);
if(na != 0) {
expr(av[0], &res);
if(res.type != TLIST)
error("map(list): map needs a list");
if(listlen(res.l) != 4)
error("map(list): list must have 4 entries");
l = res.l;
if(l->type != TSTRING)
error("map name must be a string");
ent = l->string->string;
m = symmap;
i = findseg(m, ent);
if(i < 0) {
m = cormap;
i = findseg(m, ent);
}
if(i < 0)
error("%s is not a map entry", ent);
l = l->next;
if(l->type != TINT)
error("map entry not int");
m->seg[i].b = l->ival;
if (strcmp(ent, "text") == 0)
textseg(l->ival, &fhdr);
l = l->next;
if(l->type != TINT)
error("map entry not int");
m->seg[i].e = l->ival;
l = l->next;
if(l->type != TINT)
error("map entry not int");
m->seg[i].f = l->ival;
}
r->type = TLIST;
r->l = 0;
if(symmap)
r->l = mapent(symmap);
if(cormap) {
if(r->l == 0)
r->l = mapent(cormap);
else {
for(l = r->l; l->next; l = l->next)
;
l->next = mapent(cormap);
}
}
}
void
flatten(Node **av, Node *n)
{
if(n == 0)
return;
switch(n->op) {
case OLIST:
flatten(av, n->left);
flatten(av, n->right);
break;
default:
av[na++] = n;
if(na >= Maxarg)
error("too many function arguments");
break;
}
}
void
strace(Node *r, Node *args)
{
Node *av[Maxarg], *n, res;
uvlong pc, sp;
na = 0;
flatten(av, args);
if(na != 3)
error("strace(pc, sp, link): arg count");
n = av[0];
expr(n, &res);
if(res.type != TINT)
error("strace(pc, sp, link): pc bad type");
pc = res.ival;
n = av[1];
expr(n, &res);
if(res.type != TINT)
error("strace(pc, sp, link): sp bad type");
sp = res.ival;
n = av[2];
expr(n, &res);
if(res.type != TINT)
error("strace(pc, sp, link): link bad type");
tracelist = 0;
if ((*machdata->ctrace)(cormap, pc, sp, res.ival, trlist) <= 0)
error("no stack frame: %r");
r->type = TLIST;
r->l = tracelist;
}
void
regerror(char *msg)
{
error(msg);
}
void
regexp(Node *r, Node *args)
{
Node res;
Reprog *rp;
Node *av[Maxarg];
na = 0;
flatten(av, args);
if(na != 2)
error("regexp(pattern, string): arg count");
expr(av[0], &res);
if(res.type != TSTRING)
error("regexp(pattern, string): pattern must be string");
rp = regcomp(res.string->string);
if(rp == 0)
return;
expr(av[1], &res);
if(res.type != TSTRING)
error("regexp(pattern, string): bad string");
r->fmt = 'D';
r->type = TINT;
r->ival = regexec(rp, res.string->string, 0, 0);
free(rp);
}
void
fmt(Node *r, Node *args)
{
Node res;
Node *av[Maxarg];
na = 0;
flatten(av, args);
if(na != 2)
error("fmt(obj, fmt): arg count");
expr(av[1], &res);
if(res.type != TINT || strchr(vfmt, res.ival) == 0)
error("fmt(obj, fmt): bad format '%c'", (char)res.ival);
expr(av[0], r);
r->fmt = res.ival;
}
void
patom(char type, Store *res)
{
int i;
char buf[512];
extern char *typenames[];
switch(res->fmt) {
case 'c':
Bprint(bout, "%c", (int)res->ival);
break;
case 'C':
if(res->ival < ' ' || res->ival >= 0x7f)
Bprint(bout, "%3d", (int)res->ival&0xff);
else
Bprint(bout, "%3c", (int)res->ival);
break;
case 'r':
Bprint(bout, "%C", (int)res->ival);
break;
case 'B':
memset(buf, '0', 34);
buf[1] = 'b';
for(i = 0; i < 32; i++) {
if(res->ival & (1<<i))
buf[33-i] = '1';
}
buf[35] = '\0';
Bprint(bout, "%s", buf);
break;
case 'b':
Bprint(bout, "%.2x", (int)res->ival&0xff);
break;
case 'X':
Bprint(bout, "%.8lux", (ulong)res->ival);
break;
case 'x':
Bprint(bout, "%.4lux", (ulong)res->ival&0xffff);
break;
case 'D':
Bprint(bout, "%d", (int)res->ival);
break;
case 'd':
Bprint(bout, "%d", (ushort)res->ival);
break;
case 'u':
Bprint(bout, "%d", (int)res->ival&0xffff);
break;
case 'U':
Bprint(bout, "%lud", (ulong)res->ival);
break;
case 'Z':
Bprint(bout, "%llud", res->ival);
break;
case 'V':
Bprint(bout, "%lld", res->ival);
break;
case 'W':
Bprint(bout, "%.8llux", res->ival);
break;
case 'Y':
Bprint(bout, "%.16llux", res->ival);
break;
case 'o':
Bprint(bout, "0%.11uo", (int)res->ival&0xffff);
break;
case 'O':
Bprint(bout, "0%.6uo", (int)res->ival);
break;
case 'q':
Bprint(bout, "0%.11o", (short)(res->ival&0xffff));
break;
case 'Q':
Bprint(bout, "0%.6o", (int)res->ival);
break;
case 'f':
case 'F':
case '3':
case '8':
if(type != TFLOAT)
Bprint(bout, "*%c<%s>*", res->fmt, typenames[type]);
else
Bprint(bout, "%g", res->fval);
break;
case 's':
case 'g':
case 'G':
if(type != TSTRING)
Bprint(bout, "*%c<%s>*", res->fmt, typenames[type]);
else
Bwrite(bout, res->string->string, res->string->len);
break;
case 'R':
if(type != TSTRING)
Bprint(bout, "*%c<%s>*", res->fmt, typenames[type]);
else
Bprint(bout, "%S", (Rune*)res->string->string);
break;
case 'a':
case 'A':
symoff(buf, sizeof(buf), res->ival, CANY);
Bprint(bout, "%s", buf);
break;
case 'I':
case 'i':
if(type != TINT)
Bprint(bout, "*%c<%s>*", res->fmt, typenames[type]);
else {
if (symmap == nil || (*machdata->das)(symmap, res->ival, res->fmt, buf, sizeof(buf)) < 0)
Bprint(bout, "no instruction");
else
Bprint(bout, "%s", buf);
}
break;
}
}
void
blprint(List *l)
{
Bprint(bout, "{");
while(l) {
switch(l->type) {
default:
patom(l->type, &l->Store);
break;
case TSTRING:
Bputc(bout, '"');
patom(l->type, &l->Store);
Bputc(bout, '"');
break;
case TLIST:
blprint(l->l);
break;
case TCODE:
pcode(l->cc, 0);
break;
}
l = l->next;
if(l)
Bprint(bout, ", ");
}
Bprint(bout, "}");
}
int
comx(Node res)
{
Lsym *sl;
Node *n, xx;
if(res.fmt != 'a' && res.fmt != 'A')
return 0;
if(res.comt == 0 || res.comt->base == 0)
return 0;
sl = res.comt->base;
if(sl->proc) {
res.left = ZN;
res.right = ZN;
n = an(ONAME, ZN, ZN);
n->sym = sl;
n = an(OCALL, n, &res);
n->left->sym = sl;
expr(n, &xx);
return 1;
}
print("(%s)", sl->name);
return 0;
}
void
bprint(Node *r, Node *args)
{
int i, nas;
Node res, *av[Maxarg];
USED(r);
na = 0;
flatten(av, args);
nas = na;
for(i = 0; i < nas; i++) {
expr(av[i], &res);
switch(res.type) {
default:
if(comx(res))
break;
patom(res.type, &res.Store);
break;
case TCODE:
pcode(res.cc, 0);
break;
case TLIST:
blprint(res.l);
break;
}
}
if(ret == 0)
Bputc(bout, '\n');
}
void
printto(Node *r, Node *args)
{
int fd;
Biobuf *b;
int i, nas;
Node res, *av[Maxarg];
USED(r);
na = 0;
flatten(av, args);
nas = na;
expr(av[0], &res);
if(res.type != TSTRING)
error("printto(string, ...): need string");
fd = create(res.string->string, OWRITE, 0666);
if(fd < 0)
fd = open(res.string->string, OWRITE);
if(fd < 0)
error("printto: open %s: %r", res.string->string);
b = gmalloc(sizeof(Biobuf));
Binit(b, fd, OWRITE);
Bflush(bout);
io[iop++] = bout;
bout = b;
for(i = 1; i < nas; i++) {
expr(av[i], &res);
switch(res.type) {
default:
if(comx(res))
break;
patom(res.type, &res.Store);
break;
case TLIST:
blprint(res.l);
break;
}
}
if(ret == 0)
Bputc(bout, '\n');
Bterm(b);
close(fd);
free(b);
bout = io[--iop];
}
void
pcfile(Node *r, Node *args)
{
Node res;
char *p, buf[128];
if(args == 0)
error("pcfile(addr): arg count");
expr(args, &res);
if(res.type != TINT)
error("pcfile(addr): arg type");
r->type = TSTRING;
r->fmt = 's';
if(fileline(buf, sizeof(buf), res.ival) == 0) {
r->string = strnode("?file?");
return;
}
p = strrchr(buf, ':');
if(p == 0)
error("pcfile(addr): funny file %s", buf);
*p = '\0';
r->string = strnode(buf);
}
void
pcline(Node *r, Node *args)
{
Node res;
char *p, buf[128];
if(args == 0)
error("pcline(addr): arg count");
expr(args, &res);
if(res.type != TINT)
error("pcline(addr): arg type");
r->type = TINT;
r->fmt = 'D';
if(fileline(buf, sizeof(buf), res.ival) == 0) {
r->ival = 0;
return;
}
p = strrchr(buf, ':');
if(p == 0)
error("pcline(addr): funny file %s", buf);
r->ival = strtol(p+1, 0, 0);
}
void fmtof(Node *r, Node *args)
{
Node *av[Maxarg];
Node res;
na = 0;
flatten(av, args);
if(na < 1)
error("fmtof(obj): no argument");
if(na > 1)
error("fmtof(obj): too many arguments") ;
expr(av[0], &res);
r->op = OCONST;
r->type = TINT ;
r->ival = res.fmt ;
r->fmt = 'c';
}
void dofmtsize(Node *r, Node *args)
{
Node *av[Maxarg];
Node res;
Store * s ;
Value v ;
na = 0;
flatten(av, args);
if(na < 1)
error("fmtsize(obj): no argument");
if(na > 1)
error("fmtsize(obj): too many arguments") ;
expr(av[0], &res);
v.type = res.type ;
s = &v.Store ;
*s = res ;
r->op = OCONST;
r->type = TINT ;
r->ival = fmtsize(&v) ;
r->fmt = 'D';
}