void potion_test_int1(CuTest *T) {
PN zero = PN_ZERO;
CuAssert(T, "zero isn't zero", PN_INT(zero) == 0);
CuAssert(T, "zero isn't a number", PN_IS_INT(zero));
CuAssert(T, "zero is a ref", !PN_IS_PTR(zero));
CuAssert(T, "zero bad add",
490 == PN_INT(potion_send(zero, potion_str(P, "+"), num)));
}
PN potion_error_string(Potion *P, PN cl, PN self) {
vPN(Error) e = (struct PNError *)self;
if (e->excerpt == PN_NIL)
return potion_str_format(P, "** %s\n", PN_STR_PTR(e->message));
return potion_str_format(P, "** %s\n"
"** Where: (line %ld, character %ld) %s\n", PN_STR_PTR(e->message),
PN_INT(e->line), PN_INT(e->chr), PN_STR_PTR(e->excerpt));
}
void potion_test_int3(CuTest *T) {
PN neg = PN_NUM(-4343);
CuAssert(T, "negative numbers invalid", PN_INT(neg) == -4343);
CuAssert(T, "negative not a number", PN_IS_INT(neg));
CuAssert(T, "negative is a ref", !PN_IS_PTR(neg));
CuAssert(T, "negative bad add",
-3853 == PN_INT(potion_send(neg, potion_str(P, "+"), num)));
}
void potion_test_int2(CuTest *T) {
PN pos = PN_NUM(10891);
CuAssert(T, "positive numbers invalid", PN_INT(pos) == 10891);
CuAssert(T, "positive not a number", PN_IS_INT(pos));
CuAssert(T, "positive is a ref", !PN_IS_PTR(pos));
CuAssert(T, "positive bad add",
11381 == PN_INT(potion_send(pos, potion_str(P, "+"), num)));
}
static void potion_cmd_stats(void *sp) {
Potion *P = potion_create(sp);
printf("sizeof(PN=%d, PNObject=%d, PNTuple=%d, PNTuple+1=%d, PNTable=%d)\n",
(int)sizeof(PN), (int)sizeof(struct PNObject), (int)sizeof(struct PNTuple),
(int)(sizeof(PN) + sizeof(struct PNTuple)), (int)sizeof(struct PNTable));
printf("GC (fixed=%ld, actual=%ld, reserved=%ld)\n",
PN_INT(potion_gc_fixed(P, 0, 0)), PN_INT(potion_gc_actual(P, 0, 0)),
PN_INT(potion_gc_reserved(P, 0, 0)));
potion_destroy(P);
}
void potion_test_sig(CuTest *T) {
// test the simple parser entry point yy_sig, not the compiler transformation potion_sig_compile
PN sig = potion_sig(P, "num1=N,num2=N");
CuAssert(T, "signature isn't a tuple", PN_IS_TUPLE(sig));
CuAssertIntEquals(T, "len=2", 2, PN_INT(PN_TUPLE_LEN(sig)));
CuAssertIntEquals(T, "arity=2", 2, potion_sig_arity(P, sig));
CuAssertStrEquals(T, "num1=N,num2=N", //roundtrip
PN_STR_PTR(potion_sig_string(P,0,sig)));
CuAssertStrEquals(T, "(num1, 78, num2, 78)",
PN_STR_PTR(potion_send(sig, PN_string)));
CuAssertStrEquals(T, "num1",
PN_STR_PTR(potion_send(PN_TUPLE_AT(sig,0), PN_string)));
CuAssertIntEquals(T, "num1=N", 'N',
PN_INT(PN_TUPLE_AT(sig,1)));
CuAssertStrEquals(T, "num2",
PN_STR_PTR(potion_send(PN_TUPLE_AT(sig,2), PN_string)));
CuAssertIntEquals(T, "num2=N", 'N',
PN_INT(PN_TUPLE_AT(sig,3)));
sig = potion_sig(P, "x=N|y=N");
CuAssertStrEquals(T, "(x, 78, 124, y, 78)",
PN_STR_PTR(potion_send(sig, PN_string)));
CuAssertIntEquals(T, "arity=2", 2, potion_sig_arity(P, sig));
sig = potion_sig(P, "x=N,y=N|r=N");
CuAssert(T, "signature isn't a tuple", PN_IS_TUPLE(sig));
CuAssertStrEquals(T, "(x, 78, y, 78, 124, r, 78)",
PN_STR_PTR(potion_send(sig, PN_string)));
CuAssertStrEquals(T, "x=N,y=N|r=N",
PN_STR_PTR(potion_sig_string(P,0,sig)));
CuAssertIntEquals(T, "arity=3", 3, potion_sig_arity(P, sig));
{
// roundtrips
char *sigs[] = {
"", "x,y", "x", "x=N", "x,y", "x=N,y=o",
"x|y", "x|y,z", "x=o|y,z", "x|y=o", "x=N,y=N|r=N", /*optional */
"x:=1", "|x:=1", "x|y:=0", /* defaults */
"x,y.z", /* the dot */
};
int size = sizeof(sigs)/sizeof(char *);
int i;
for (i=0; i< size; i++) {
CuAssertStrEquals(T, sigs[i],
PN_STR_PTR(potion_sig_string(P,0,potion_sig(P, sigs[i]))));
}
}
CuAssertIntEquals(T, "arity nil", 0, potion_sig_arity(P, PN_NIL));
// sig "" returns PN_FALSE, which throws an error
//CuAssertIntEquals(T, "arity ''", 0, potion_sig_arity(P, potion_sig(P, "")));
CuAssertIntEquals(T, "arity x:=1", 1, potion_sig_arity(P, potion_sig(P, "x:=1")));
CuAssertIntEquals(T, "arity |x:=1", 1, potion_sig_arity(P, potion_sig(P, "|x:=1")));
CuAssertIntEquals(T, "arity x|y:=1", 2, potion_sig_arity(P, potion_sig(P, "x|y:=1")));
}
void potion_test_empty(CuTest *T) {
PN empty = PN_TUP0();
CuAssert(T, "empty isn't a tuple", PN_IS_TUPLE(empty));
CuAssert(T, "empty isn't a ref", PN_IS_PTR(empty));
CuAssertIntEquals(T, "tuple length is off",
0, PN_INT(potion_send(empty, potion_str(P, "length"))));
}
///\return string of the sig tuple. "arg1=o,arg2=o"
PN potion_sig_string(Potion *P, PN cl, PN sig) {
PN out = potion_byte_str(P, "");
if (PN_IS_TUPLE(sig)) {
int nextdef = 0;
struct PNTuple * volatile t = ((struct PNTuple *)potion_fwd(sig));
if (t->len != 0) {
PN_SIZE i, comma=0;
for (i = 0; i < t->len; i++) {
PN v = (PN)t->set[i];
if (PN_IS_NUM(v)) {
// currently types are still encoded as NUM, TODO: support VTABLE also
int c = PN_INT(v); comma=0;
if (c == '.') // is end
pn_printf(P, out, ".");
else if (c == '|') // is optional
pn_printf(P, out, "|");
else if (c == ':') { nextdef = 1;
pn_printf(P, out, ":"); // is default
}
else {
if (comma++) pn_printf(P, out, ",");
if (nextdef) { nextdef = 0;
pn_printf(P, out, "=");
potion_bytes_obj_string(P, out, v);
} else
pn_printf(P, out, "=%c", c);
}
} else {
if (comma++) pn_printf(P, out, ",");
if (nextdef)
{ nextdef = 0; pn_printf(P, out, "="); }
potion_bytes_obj_string(P, out, v);
}}}}
return PN_STR_B(out);
}
void potion_test_eval(CuTest *T) {
PN add, num;
PN_F addfn;
#if POTION_JIT
long flags = P->flags;
if (P->flags & EXEC_JIT) P->flags = (Potion_Flags)((int)P->flags - EXEC_JIT);
#endif
add = potion_eval(P, potion_str(P, "(x, y): x + y."));
addfn = PN_CLOSURE_F(add); // c callback
CuAssertPtrNotNull(T, addfn);
num = addfn(P, add, 0, PN_NUM(3), PN_NUM(5));
CuAssertIntEquals(T, "calling closure as c func", 8, PN_INT(num));
add = potion_eval(P, potion_str(P, "(x=N|y=N): x + y."));
addfn = PN_CLOSURE_F(add);
num = addfn(P, add, 0, PN_NUM(3), PN_NUM(5));
CuAssertIntEquals(T, "calling closure as c func (opt)", 8, PN_INT(num));
num = addfn(P, add, 1, PN_NUM(3));
CuAssertIntEquals(T, "optional num = 0", 3, PN_INT(num));
add = potion_eval(P, potion_str(P, "(x=N,y:=1): x + y."));
addfn = PN_CLOSURE_F(add);
num = addfn(P, add, 2, PN_NUM(3), PN_NUM(5));
CuAssertIntEquals(T, "calling closure as c func (default)", 8, PN_INT(num));
num = addfn(P, add, 1, PN_NUM(3));
CuAssertIntEquals(T, "default num = 1", 4, PN_INT(num));
#if POTION_JIT
P->flags = (Potion_Flags)flags; //restore JIT
add = potion_eval(P, potion_str(P, "(x, y): x + y."));
addfn = PN_CLOSURE_F(add); // c callback
CuAssertPtrNotNull(T, addfn);
num = addfn(P, add, 0, PN_NUM(3), PN_NUM(5));
CuAssertIntEquals(T, "calling closure as c func (jit)", 8, PN_INT(num));
#ifdef DEBUG
//P->flags += DEBUG_COMPILE + DEBUG_JIT;
#endif
add = potion_eval(P, potion_str(P, "(x=N|y=N): x + y."));
addfn = PN_CLOSURE_F(add);
num = addfn(P, add, 0, PN_NUM(3), PN_NUM(5));
CuAssertIntEquals(T, "calling closure as c func (jit+opt)", 8, PN_INT(num));
//hard to make this work, would slow it down
//num = addfn(P, add, 0, PN_NUM(3));
//CuAssertIntEquals(T, "optional num = 0 (jit)", 3, PN_INT(num));
add = potion_eval(P, potion_str(P, "(x=N|y:=1): x + y."));
addfn = PN_CLOSURE_F(add);
num = addfn(P, add, 0, PN_NUM(3), PN_NUM(5));
CuAssertIntEquals(T, "calling closure as c func (jit+default)", 8, PN_INT(num));
//num = addfn(P, add, 0, PN_NUM(3));
//CuAssertIntEquals(T, "default num = 1 (jit)", 4, PN_INT(num));
#endif
}
void potion_test_tuple(CuTest *T) {
PN tup = potion_tuple_with_size(P, 3);
PN_TUPLE_AT(tup, 0) = PN_NIL;
PN_TUPLE_AT(tup, 1) = PN_string;
PN_TUPLE_AT(tup, 2) = tup;
CuAssert(T, "tuple isn't a tuple", PN_IS_TUPLE(tup));
CuAssert(T, "tuple isn't a ref", PN_IS_PTR(tup));
CuAssertIntEquals(T, "tuple length is off",
3, PN_INT(potion_send(tup, potion_str(P, "length"))));
}
PN potion_file_read(Potion *P, PN cl, pn_file self, PN n) {
n = PN_INT(n);
char buf[n];
int r = read(self->fd, buf, n);
if (r == -1) {
perror("read");
// TODO: error
return PN_NUM(-1);
} else if (r == 0) {
return PN_NIL;
}
return potion_byte_str2(P, buf, r);
}
PN potion_file_with_fd(Potion *P, PN cl, PN self, PN fd) {
struct PNFile *file = (struct PNFile *)potion_object_new(P, PN_NIL, PN_VTABLE(PN_TFILE));
file->fd = PN_INT(fd);
file->path = PN_NIL;
#ifdef F_GETFL
file->mode = fcntl(file->fd, F_GETFL) | O_ACCMODE;
#else
struct stat st;
if (fstat(file->fd, &st) == -1) perror("fstat");
file->mode = st.st_mode;
#endif
return (PN)file;
}
///\memberof PNProto
/// string method of PNProto. ascii dump of a function definition
PN potion_proto_string(Potion *P, PN cl, PN self) {
vPN(Proto) t = (struct PNProto *)self;
int x = 0;
PN_SIZE num = 1;
PN_SIZE numcols;
PN out = potion_byte_str(P, "; function definition");
#ifdef JIT_DEBUG
pn_printf(P, out, ": %p; %u bytes\n", t, PN_FLEX_SIZE(t->asmb));
#else
pn_printf(P, out, ": %u bytes\n", PN_FLEX_SIZE(t->asmb));
#endif
if (t->name)
pn_printf(P, out, "; %s(", PN_STR_PTR(t->name));
else
pn_printf(P, out, "; (");
potion_bytes_obj_string(P, out, potion_sig_string(P, cl, t->sig));
pn_printf(P, out, ") %ld registers\n", PN_INT(t->stack));
PN_TUPLE_EACH(t->paths, i, v, {
pn_printf(P, out, ".path /");
v = PN_TUPLE_AT(t->values, PN_INT(v));
potion_bytes_obj_string(P, out, v);
pn_printf(P, out, " ; %u\n", i);
});
void potion_test_proto(CuTest *T) {
// test compiler transformation potion_sig_compile, not just yy_sig
PN p2;
vPN(Closure) f2;
vPN(Closure) f1 = PN_CLOSURE(potion_eval(P, potion_str(P, "(x,y):x+y.")));
CuAssertIntEquals(T, "arity f1", 2, potion_sig_arity(P, f1->sig));
CuAssertStrEquals(T, "x,y", PN_STR_PTR(potion_sig_string(P,0,f1->sig)));
p2 = PN_FUNC(PN_CLOSURE_F(f1), "x=N,y=N");
f2 = PN_CLOSURE(p2);
CuAssertIntEquals(T, "sig arity f2", 2, potion_sig_arity(P, f2->sig));
CuAssertStrEquals(T, "x=N,y=N", PN_STR_PTR(potion_sig_string(P,0,f2->sig)));
CuAssertIntEquals(T, "cl arity f2", 2, PN_INT(potion_closure_arity(P,0,p2)));
}
PN potion_proto_string(Potion *P, PN cl, PN self) {
vPN(Proto) t = (struct PNProto *)self;
int x = 0;
PN_SIZE num = 1;
PN_SIZE numcols;
PN out = potion_byte_str(P, "; function definition");
pn_printf(P, out, ": %p ; %u bytes\n", t, PN_FLEX_SIZE(t->asmb));
pn_printf(P, out, "; (");
PN_TUPLE_EACH(t->sig, i, v, {
if (PN_IS_NUM(v)) {
if (v == '.')
pn_printf(P, out, ". ");
else if (v == '|')
pn_printf(P, out, "| ");
else
pn_printf(P, out, "=%c, ", (int)PN_INT(v));
} else
potion_bytes_obj_string(P, out, v);
});
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++;
}
}
PN_SIZE numcols;
PN out = potion_byte_str(P, "; function definition");
pn_printf(P, out, ": %p ; %u bytes\n", t, PN_FLEX_SIZE(t->asmb));
pn_printf(P, out, "; (");
PN_TUPLE_EACH(t->sig, i, v, {
if (PN_IS_NUM(v)) {
if (v == '.')
pn_printf(P, out, ". ");
else if (v == '|')
pn_printf(P, out, "| ");
else
pn_printf(P, out, "=%c, ", (int)PN_INT(v));
} else
potion_bytes_obj_string(P, out, v);
});
pn_printf(P, out, ") %ld registers\n", PN_INT(t->stack));
PN_TUPLE_EACH(t->paths, i, v, {
pn_printf(P, out, ".path /");
v = PN_TUPLE_AT(t->values, PN_INT(v));
potion_bytes_obj_string(P, out, v);
pn_printf(P, out, " ; %u\n", i);
});
PN_TUPLE_EACH(t->locals, i, v, {
pn_printf(P, out, ".local ");
potion_bytes_obj_string(P, out, v);
pn_printf(P, out, " ; %u\n", i);
});
PN_TUPLE_EACH(t->upvals, i, v, {
pn_printf(P, out, ".upval ");
potion_bytes_obj_string(P, out, v);
pn_printf(P, out, " ; %u\n", i);
void potion_test_str(CuTest *T) {
CuAssert(T, "string isn't a string", PN_IS_STR(PN_string));
CuAssert(T, "string isn't a ref", PN_IS_PTR(PN_string));
CuAssert(T, "string length isn't working",
6 == PN_INT(potion_send(PN_string, potion_str(P, "length"))));
}
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);
}