void potion_test_allocated(CuTest *T) {
struct PNMemory *M = P->mem;
void *prev = NULL;
void *scanptr = (void *)((char *)M->birth_lo + PN_ALIGN(sizeof(struct PNMemory), 8));
while ((PN)scanptr < (PN)M->birth_cur) {
if (((struct PNFwd *)scanptr)->fwd != POTION_FWD && ((struct PNFwd *)scanptr)->fwd != POTION_COPIED) {
if (((struct PNObject *)scanptr)->vt > PN_TUSER) {
vPN(Object) o = (struct PNObject *)scanptr;
fprintf(stderr, "error: scanning heap from %p to %p\n",
M->birth_lo, M->birth_cur);
fprintf(stderr, "%p in %s region\n", scanptr,
IS_GC_PROTECTED(scanptr) ? "protected"
: IN_BIRTH_REGION(scanptr) ? "birth"
: IN_OLDER_REGION(scanptr) ? "older"
: "gc");
fprintf(stderr, "%p { uniq:0x%08x vt:0x%08x ivars[0]:0x%08lx type:0x%x}\n",
scanptr, o->uniq, o->vt, o->ivars[0],
potion_type((PN)scanptr));
fprintf(stderr, "prev %p: size=%d, type:0x%x (%s)\n",
prev, potion_type_size(P, prev),
potion_type((PN)prev), AS_STR(PN_VTABLE(PN_TYPE((PN)prev))));
#ifdef DEBUG
//potion_dump_stack(P);
#endif
}
CuAssert(T, "wrong type for allocated object", ((struct PNObject *)scanptr)->vt <= PN_TUSER);
}
prev = scanptr;
scanptr = (void *)((char *)scanptr + potion_type_size(P, scanptr));
CuAssert(T, "allocated object goes beyond GC pointer", (PN)scanptr <= (PN)M->birth_cur);
}
}
void potion_dump(Potion *P, PN data) {
PN pd = potion_send(data, PN_string);
PN pt = potion_send(PN_VTABLE(PN_TYPE(data)), PN_string);
char *d = pd ? PN_STR_PTR(pd) : "nil";
char *t = pt ? PN_STR_PTR(pt) : "NilKind";
printf("%s (%s)\n", d, t);
}
/**\memberof PNFile
\c "write" a binary representation of obj to the file handle.
\param obj PNString, PNBytes, PNInteger (long or double), PNBoolean (char 0 or 1)
\return PNInteger written bytes or PN_NIL */
PN potion_file_write(Potion *P, PN cl, pn_file self, PN obj) {
long len = 0;
char *ptr = NULL;
union { double d; long l; char c; } tmp;
//TODO: maybe extract ptr+len to seperate function
if (!PN_IS_PTR(obj)) {
if (!obj) return PN_NIL; //silent
else if (PN_IS_INT(obj)) {
tmp.l = PN_NUM(obj); len = sizeof(tmp); ptr = (char *)&tmp.l;
}
else if (PN_IS_BOOL(obj)) {
tmp.c = (obj == PN_TRUE) ? 1 : 0; len = 1; ptr = (char *)&tmp.c;
}
else {
assert(0 && "Invalid primitive type");
}
} else {
switch (PN_TYPE(obj)) {
case PN_TSTRING: len = PN_STR_LEN(obj); ptr = PN_STR_PTR(obj); break;
case PN_TBYTES: len = potion_send(obj, PN_STR("length")); ptr = PN_STR_PTR(obj); break;
case PN_TNUMBER: {
tmp.d = PN_DBL(obj); len = sizeof(tmp); ptr = (char *)&tmp.d;
break;
}
default: return potion_type_error(P, obj);
}
}
int r = write(self->fd, ptr, len);
if (r == -1)
return potion_io_error(P, "write");
return PN_NUM(r);
}
static inline char *potion_type_name(Potion *P, PN obj) {
obj = potion_fwd(obj);
return PN_IS_PTR(obj)
? AS_STR(potion_send(PN_VTABLE(PN_TYPE(obj)), PN_string))
: PN_IS_NIL(obj) ? "nil"
: PN_IS_NUM(obj) ? "Number"
: "Boolean";
}
void potion_dump_stack(Potion *P) {
long n;
PN *end, *ebp, *start = P->mem->cstack;
struct PNMemory *M = P->mem;
POTION_ESP(&end);
POTION_EBP(&ebp);
#if POTION_STACK_DIR > 0
n = end - start;
#else
n = start - end + 1;
start = end;
end = M->cstack;
#endif
printf("-- dumping %ld stack from %p to %p --\n", n, start, end);
printf(" ebp = %p, *ebp = %lx\n", ebp, *ebp);
while (n--) {
vPN(Object) o = (struct PNObject*)*start;
printf(" stack(%ld) = %p: %lx", n, start, *start);
if (IS_GC_PROTECTED(*start))
printf(" vt=%x gc", PN_TYPE(o));
else if (IN_BIRTH_REGION(*start))
printf(" vt=%x gc(0)", PN_TYPE(o));
else if (IN_OLDER_REGION(*start))
printf(" vt=%x gc(1)", PN_TYPE(o));
if (*start == 0)
printf(" nil\n");
else if (*start & 1)
printf(" %ld INT\n", PN_INT(*start));
else if (*start & 2)
printf(" %s BOOL\n", *start == 2 ? "false" : "true");
else
printf(" \n");
start++;
}
}
ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS
static PN_SIZE pngc_mark_array(Potion *P, register _PN *x, register long n, int type) {
_PN v;
PN_SIZE i = 0;
struct PNMemory *M = P->mem;
while (n--) {
v = *x;
if (IS_GC_PROTECTED(v) || IN_BIRTH_REGION(v) || IN_OLDER_REGION(v)) {
v = potion_fwd(v);
switch (type) {
case 0: // count only
if (!IS_GC_PROTECTED(v) && IN_BIRTH_REGION(v) && HAS_REAL_TYPE(v)) {
i++;
DBG_Gv(P,"GC mark count only %p %6x\n", x, PN_TYPE(*x));
}
break;
case 1: // minor
if (!IS_GC_PROTECTED(v) && IN_BIRTH_REGION(v) && HAS_REAL_TYPE(v)) {
GC_FORWARD(x, v);
i++;
DBG_Gv(P,"GC mark minor %p -> 0x%lx %6x\n", x, v, PN_TYPE(*x));
}
break;
case 2: // major
if (!IS_GC_PROTECTED(v) && (IN_BIRTH_REGION(v) || IN_OLDER_REGION(v)) && HAS_REAL_TYPE(v)) {
GC_FORWARD(x, v);
i++;
DBG_Gv(P,"GC mark major %p -> 0x%lx %6x\n", x, v, PN_TYPE(*x));
}
break;
}
}
x++;
}
return i;
}
void potion_test_double(CuTest *T) {
PN dec = potion_strtod(P, "14466", 5);
CuAssert(T, "double not a number", PN_TYPE(dec) == PN_TNUMBER);
}
void potion_test_bool(CuTest *T) {
CuAssert(T, "true isn't a bool type", PN_TYPE(PN_TRUE) == PN_TBOOLEAN);
CuAssert(T, "true is a ref", !PN_IS_PTR(PN_TRUE));
CuAssert(T, "false isn't a bool type", PN_TYPE(PN_FALSE) == PN_TBOOLEAN);
CuAssert(T, "false is a ref", !PN_IS_PTR(PN_FALSE));
}
void potion_test_nil(CuTest *T) {
CuAssert(T, "nil isn't a nil type", PN_TYPE(PN_NIL) == PN_TNIL);
CuAssert(T, "nil is a ref", !PN_IS_PTR(PN_NIL));
CuAssert(T, "nil nil? is false",
PN_TRUE == potion_send(PN_NIL, potion_str(P, "nil?")));
}
static void potion_cmd_compile
(
char *filename,
int exec,
int verbose,
void *sp
)
{
PN buf, code;
int fd = -1;
struct stat stats;
Potion *P = potion_create(sp);
if (stat(filename, &stats) == -1)
{
potion_warn("** %s does not exist.\n", filename);
goto done;
}
fd = open(filename, O_RDONLY | O_BINARY);
if (fd == -1)
{
potion_warn("** could not open %s. check permissions.\n", filename);
goto done;
}
buf = potion_bytes(P, stats.st_size);
if (read(fd, PN_STR_PTR(buf), stats.st_size) == stats.st_size)
{
PN_STR_PTR(buf)[stats.st_size] = '\0';
code = potion_source_load(P, PN_NIL, buf);
if (PN_IS_PROTO(code))
{
if (verbose > 1)
printf("\n\n-- loaded --\n");
}
else
{
code = potion_parse(P, buf);
if (PN_TYPE(code) == PN_TERROR)
{
potion_send(potion_send(code, PN_string), PN_print);
goto done;
}
if (verbose > 1)
{
printf("\n-- parsed --\n");
potion_send(potion_send(code, PN_string), PN_print);
printf("\n");
}
code =
potion_send(code, PN_compile, potion_str(P, filename), PN_NIL);
if (verbose > 1)
printf("\n-- compiled --\n");
}
if (verbose > 1)
{
potion_send(potion_send(code, PN_string), PN_print);
printf("\n");
}
if (exec == 1)
{
code = potion_vm(P, code, P->lobby, PN_NIL, 0, NULL );
if (verbose > 1)
printf(
"\n-- vm returned %p (fixed=%ld, actual=%ld, reserved=%ld) --\n",
(void *) code, PN_INT(potion_gc_fixed(P, 0, 0)),
PN_INT(potion_gc_actual(P, 0, 0)),
PN_INT(potion_gc_reserved(P, 0, 0)));
if (verbose)
{
potion_send(potion_send(code, PN_string), PN_print);
printf("\n");
}
}
else if (exec == 2)
{
#if POTION_JIT == 1
PN val;
PN cl = potion_closure_new(P, (PN_F)potion_jit_proto(P, code, POTION_JIT_TARGET), PN_NIL, 1);
PN_CLOSURE(cl)->data[0] = code;
val = PN_PROTO(code)->jit(P, cl, P->lobby);
if (verbose > 1)
printf("\n-- jit returned %p (fixed=%ld, actual=%ld, reserved=%ld) --\n", PN_PROTO(code)->jit,
PN_INT(potion_gc_fixed(P, 0, 0)), PN_INT(potion_gc_actual(P, 0, 0)),
PN_INT(potion_gc_reserved(P, 0, 0)));
if (verbose)
{
potion_send(potion_send(val, PN_string), PN_print);
printf("\n");
}
#else
potion_warn("** potion built without JIT support\n");
#endif
}
else
{
char pnbpath[255];
FILE *pnb;
sprintf(pnbpath, "%sb", filename);
pnb = fopen(pnbpath, "wb");
if (!pnb)
{
potion_warn("** could not open %s for writing. check permissions.\n",pnbpath);
goto done;
}
code = potion_source_dump(P, PN_NIL, code);
if (fwrite(PN_STR_PTR(code), 1, PN_STR_LEN(code),
pnb) == PN_STR_LEN(code))
{
potion_notice("** compiled code saved to %s\n", pnbpath);
potion_notice("** run it with: potion %s\n", pnbpath);
fclose(pnb);
}
else
{
potion_warn("** could not write all bytecode.\n");
}
}
#if 0
void *scanptr = (void *)((char *)P->mem->old_lo + (sizeof(PN) * 2));
while ((PN)scanptr < (PN)P->mem->old_cur)
{
printf("%p.vt = %lx (%u)\n",
scanptr, ((struct PNObject *)scanptr)->vt,
potion_type_size(P, scanptr));
if (((struct PNFwd *)scanptr)->fwd != POTION_FWD && ((struct PNFwd *)scanptr)->fwd != POTION_COPIED)
{
if (((struct PNObject *)scanptr)->vt < 0 || ((struct PNObject *)scanptr)->vt > PN_TUSER)
{
printf("wrong type for allocated object: %p.vt = %lx\n",
scanptr, ((struct PNObject *)scanptr)->vt);
break;
}
}
scanptr = (void *)((char *)scanptr + potion_type_size(P, scanptr));
if ((PN)scanptr > (PN)P->mem->old_cur)
{
printf("allocated object goes beyond GC pointer\n");
break;
}
}
#endif
}
else
{
potion_warn("** could not read entire file.");
}
done: if (fd != -1)
close(fd);
if (P != NULL )
potion_destroy(P);
}
