O_TYPE mpsl_exec_i(O_ARGS)
/* Executes one MPSL instruction in the MPSL virtual machine. Called
from mpsl_exec_p() (which holds the flow control status variable) */
{
mpdm_t ret = NULL;
mpdm_ref(c);
mpdm_ref(a);
mpdm_ref(l);
/* if aborted or NULL, do nothing */
if (!mpsl_abort && c != NULL) {
/* gets the opcode and calls it */
ret = op_table[mpdm_ival(C0)].func(c, a, l, f);
if (mpsl_trap_func != NULL) {
mpdm_t f = mpsl_trap_func;
mpdm_ref(ret);
mpsl_trap_func = NULL;
mpdm_exec_3(f, c, a, ret, l);
mpsl_trap_func = f;
mpdm_unrefnd(ret);
}
}
mpdm_unref(l);
mpdm_unref(a);
mpdm_unref(c);
return ret;
}
/**
* mpsl_set_symbol - Sets value to a symbol.
* @s: symbol name
* @v: value
* @l: local symbol table
*
* Assigns the value @v to the @s symbol. If the value exists as
* a local symbol, it's assigned to it; otherwise, it's set as a global
* symbol (and created if it does not exist).
*/
mpdm_t mpsl_set_symbol(mpdm_t s, mpdm_t v, mpdm_t l)
{
int n;
mpdm_t r, p, w;
mpdm_ref(l);
mpdm_ref(s);
mpdm_ref(v);
/* get the local or global symbol table */
if ((r = find_local_symtbl(s, l)) == NULL)
r = mpdm_root();
/* splits the path, if needed */
if (MPDM_IS_ARRAY(s))
p = mpdm_ref(s);
else
p = mpdm_ref(mpdm_split_s(s, L"."));
w = r;
for (n = 0; w != NULL && n < mpdm_size(p); n++) {
/* is executable? run it and take its output */
while (MPDM_IS_EXEC(w))
w = mpdm_exec(w, NULL, NULL);
/* last component? */
if (n == mpdm_size(p) - 1) {
/* yes; do the setting */
if (MPDM_IS_HASH(w))
w = mpdm_hset(w, mpdm_aget(p, n), v);
else
if (MPDM_IS_ARRAY(w))
w = mpdm_aset(w, v, mpdm_ival(mpdm_aget(p, n)));
}
else {
if (MPDM_IS_HASH(w))
w = mpdm_hget(w, mpdm_aget(p, n));
else
if (MPDM_IS_ARRAY(w))
w = mpdm_aget(w, mpdm_ival(mpdm_aget(p, n)));
else {
mpdm_void(w);
w = NULL;
}
}
}
mpdm_unref(p);
mpdm_unref(v);
mpdm_unref(s);
mpdm_unref(l);
return w;
}
/**
* mpdm_set_o - Sets a value in an object.
* @o: the object
* @v: the value
* @i: the index
*
* Sets the value @v inside the object @o, accesible by index @i.
* Returns @v.
* [Objects]
*/
mpdm_t mpdm_set_o(mpdm_t o, mpdm_t v, mpdm_t i)
/* do not use it; use mpdm_set() */
{
mpdm_t b, r;
int n;
mpdm_ref(i);
mpdm_ref(v);
/* if hash is empty, create an optimal number of buckets */
if (mpdm_size(o) == 0)
mpdm_expand(o, 0, mpdm_hash_buckets);
n = HASH_BUCKET(o, i);
if ((b = mpdm_get_i(o, n)) != NULL) {
int pos;
/* bucket exists; try to find the key there */
n = mpdm_bseek(b, i, 2, &pos);
if (n < 0) {
/* the pair does not exist: create it */
n = pos;
mpdm_expand(b, n, 2);
mpdm_set_i(b, i, n);
}
}
else {
/* the bucket does not exist; create it */
b = MPDM_A(2);
/* put the bucket into the hash */
mpdm_set_i(o, b, n);
/* offset 0 */
n = 0;
/* insert the key */
mpdm_set_i(b, i, n);
}
r = mpdm_set_i(b, v, n + 1);
mpdm_unref(v);
mpdm_unref(i);
return r;
}
/** array = sort(a, sorting_func); */
static mpdm_t F_sort(F_ARGS)
{
mpdm_t r, v;
v = mpdm_ref(A0);
r = mpdm_sort_cb(mpdm_clone(v), 1, A1);
mpdm_unref(v);
return r;
}
/**
* mpdm_get_o - Gets a value from an object.
* @o: the object
* @i: the index
*
* Returns the value from @o by index @i, or NULL if there is no
* value addressable by that index.
* [Objects]
*/
mpdm_t mpdm_get_o(const mpdm_t o, const mpdm_t i)
/* do not use it; use mpdm_get() */
{
mpdm_t r;
mpdm_ref(i);
r = mpdm_get_wcs(o, mpdm_string(i));
mpdm_unref(i);
return r;
}
/** v = eval(code, args); */
static mpdm_t F_eval(F_ARGS)
{
mpdm_t r, c;
a = mpdm_ref(mpdm_clone(a));
c = mpdm_shift(a);
r = mpsl_eval(c, a, l);
mpdm_unref(a);
return r;
}
/** argn = push(a, arg1 [, arg2, ... argn]); */
static mpdm_t F_push(F_ARGS)
{
int n;
mpdm_t r = NULL;
for (n = 1; n < mpdm_size(a); n++) {
mpdm_unref(r);
r = mpdm_push(A0, A(n));
mpdm_ref(r);
}
return mpdm_unrefnd(r);
}
static void set_local_symbols(mpdm_t s, mpdm_t v, mpdm_t l)
/* sets (or creates) a list of local symbols with a list of values */
{
if (l != NULL) {
mpdm_t h;
mpdm_ref(s);
mpdm_ref(v);
mpdm_ref(l);
/* gets the top local variable frame */
h = mpdm_aget(l, -1);
if (MPDM_IS_ARRAY(s) || MPDM_IS_ARRAY(v)) {
int n;
mpdm_t a;
for (n = 0; n < mpdm_size(s); n++)
mpdm_hset(h, mpdm_aget(s, n), mpdm_aget(v, n));
if (n < mpdm_size(v)) {
/* store the rest of arguments into _ */
a = mpdm_hset_s(h, L"_", MPDM_A(0));
for (; n < mpdm_size(v); n++)
mpdm_push(a, mpdm_aget(v, n));
}
}
else
mpdm_hset(h, s, v);
mpdm_unref(l);
mpdm_unref(v);
mpdm_unref(s);
}
}
void test_mpsl_file(void)
{
mpdm_t v;
mpdm_t inc;
mpsl_trap(NULL);
inc = mpdm_ref(MPDM_A(0));
mpdm_push(inc, MPDM_S(L"."));
printf("Compiling from file:\n");
v = do_test_mpsl_file("test.mpsl", inc);
v = do_test_exec(v, NULL);
mpdm_unref(inc);
}
/** string = sprintf(fmt, arg1 [,arg2 ... argn]); */
static mpdm_t F_sprintf(F_ARGS)
{
mpdm_t f, v, r;
a = mpdm_ref(mpdm_clone(a));
f = mpdm_shift(a);
/* if the first argument is an array, take it as the arguments */
if ((v = mpdm_get_i(a, 0)) != NULL && mpdm_type(v) == MPDM_TYPE_ARRAY)
a = v;
r = mpdm_sprintf(f, a);
mpdm_unref(a);
return r;
}
/**
* mpdm_exists - Tests if there is a value available by index.
* @o: the object
* @i: the index
*
* Returns 1 if exists a value indexable by @i in @h, or 0 othersize.
* [Hashes]
*/
int mpdm_exists(const mpdm_t o, const mpdm_t i)
{
mpdm_t b;
int ret = 0;
mpdm_ref(i);
if (mpdm_size(o)) {
if ((b = mpdm_get_i(o, HASH_BUCKET(o, i))) != NULL) {
/* if bucket exists, binary-seek it */
if (mpdm_bseek(b, i, 2, NULL) >= 0)
ret = 1;
}
}
mpdm_unref(i);
return ret;
}
/**
* mpdm_keys - Returns the keys of a hash.
* @h: the hash
*
* Returns an array containing all the keys of the @h hash.
* [Hashes]
* [Arrays]
*/
mpdm_t mpdm_keys(const mpdm_t h)
{
int c;
mpdm_t a, i;
printf("Warning: deprecated function mpdm_keys()\n");
mpdm_ref(h);
/* create an array with the same number of elements */
a = MPDM_A(0);
c = 0;
while (mpdm_iterator(h, &c, NULL, &i))
mpdm_push(a, i);
mpdm_unref(h);
return a;
}
void test_abort_and_eval(void)
{
mpdm_t v;
mpdm_t e;
mpsl_abort = 0;
v = mpdm_ref(mpsl_compile(MPDM_S(L"1000;"), NULL));
do_test("Abort 1", mpdm_ival(mpdm_exec(v, NULL, NULL)) == 1000);
/* set global abort function */
mpsl_abort = 1;
do_test("Abort 2", mpdm_exec(v, NULL, NULL) == NULL);
mpsl_abort = 0;
do_test("Abort 3", mpdm_ival(mpdm_exec(v, NULL, NULL)) == 1000);
mpdm_unref(v);
mpsl_error(NULL);
v = mpsl_eval(MPDM_S(L"invalid_code()"), NULL, NULL);
e = mpdm_get_wcs(mpdm_root(), L"ERROR");
printf("The following error is OK:\n");
mpdm_dump(e);
do_test("eval 1", v == NULL && e != NULL);
v = mpsl_eval(MPDM_S(L"undef_func();"), NULL, NULL);
e = mpdm_get_wcs(mpdm_root(), L"ERROR");
printf("The following error is also OK:\n");
mpdm_dump(e);
do_test("eval 2", v == NULL && e != NULL);
v = mpsl_eval(MPDM_S(L"load('unexistent_file.mpsl');"), NULL, NULL);
e = mpdm_get_wcs(mpdm_root(), L"ERROR");
printf("The following error is also OK:\n");
mpdm_dump(e);
do_test("eval 3", v == NULL && e != NULL);
v = mpsl_eval(MPDM_S(L"2000;"), NULL, NULL);
e = mpdm_get_wcs(mpdm_root(), L"ERROR");
do_test("eval 4", mpdm_ival(v) == 2000 && e == NULL);
}
/** o = new(c1 [, c2, ...cn]); */
static mpdm_t F_new(F_ARGS)
{
int n;
mpdm_t r = MPDM_O();
for (n = 0; n < mpdm_size(a); n++) {
mpdm_t w, v, i;
int m = 0;
w = mpdm_ref(A(n));
if (mpdm_type(w) == MPDM_TYPE_OBJECT) {
while (mpdm_iterator(w, &m, &v, &i))
mpdm_set(r, mpdm_clone(v), i);
}
mpdm_unref(w);
}
return r;
}
/**
* mpdm_del_o - Deletes a value from an object.
* @o: the value
* @i: the index
*
* Deletes the element accesible by index @i from @o. Returns NULL
* (versions prior to 1.0.10 returned the deleted value).
* [Objects]
*/
mpdm_t mpdm_del_o(mpdm_t o, const mpdm_t i)
/* do not use it; use mpdm_del() */
{
mpdm_t b;
int n;
mpdm_ref(i);
if (mpdm_size(o)) {
if ((b = mpdm_get_i(o, HASH_BUCKET(o, i))) != NULL) {
/* bucket exists */
if ((n = mpdm_bseek(b, i, 2, NULL)) >= 0) {
/* collapse the bucket */
mpdm_collapse(b, n, 2);
}
}
}
mpdm_unref(i);
return NULL;
}
void test_compiler_diffs(void)
{
mpdm_t r, cc, ac;
int n;
struct {
wchar_t *code;
int line;
} compiler_tests[] = {
// CT(L"local a = 1, b = 2, c, d = 3;"),
// CT(L"local a = 1;"),
// CT(L"local v; 1;"),
// CT(L"local x, y, z; 2;"),
CT(L"a |= 6;"),
CT(L"a %= 6;"),
CT(L"a /= 6;"),
CT(L"a *= 6;"),
CT(L"a -= 6;"),
CT(L"a += 6;"),
CT(L"for (n = 0; n < 100; n = n + 1) { print('kill'); } 1234;"),
CT(L"for (;;) { print('kill'); } 1234;"),
CT(L"foreach (v, i, [1, 2, 3]) { print(e); } 666;"),
CT(L"eol = driver == 'win32' && 'crlf' || 'lf';"),
CT(L"255 $ '%x';"),
CT(L"foreach (e, [1, 2, 3]) { print(e); } 666;"),
// CT(L"global v; 1;"),
// CT(L"global x, y, z; 2;"),
CT(L"sub pi { 3.1416; } 100;"),
CT(L"sub pi () { 3.1416; } 200;"),
CT(L"sub by2(v) { v * 2; } 250;"),
CT(L"sub mul(v1, v2) { v1 * v2; } 300;"),
CT(L"mul = sub (v1, v2) { v1 * v2; }; 123;"),
CT(L"by2 = sub (e) { e * 2; }; 100;"),
CT(L"pi = sub { 3.14; }; 6;"),
CT(L"f->write('hi', string(1 + 3), eol); 1;"),
CT(L"f->read(); 1;"),
CT(L"while (1) 2;"),
CT(L"while (1) { 2; 3; }"),
CT(L"while (a < 10) { a = a + 1; }"),
CT(L"if (a == 1) { b = 2 + 4; c = 3 * 2; } else { d = 3; e = d / 2; }"),
CT(L"if (1) 2; else 3;"),
CT(L"if (1) { 2; 3; }"),
CT(L"if (1) { 2; }"),
CT(L"if (1) 2;"),
CT(L"if (2 + 3) 4 + 5;"),
CT(L"if (a == 1) b = 2;"),
CT(L"list[0];"),
CT(L"list[1] = 1;"),
CT(L"MPSL['OPCODE'];"),
CT(L"q = 1 + 2 * 3;"),
CT(L"q.q = 1 * 2 + 3; q2 = [];"),
CT(L"q = 100;"),
CT(L"MPSL.CORE.random;"),
CT(L"1 + 2; [1, 2] ; {};"),
CT(L"a + 1;"),
CT(L"1 * (2 + 3);"),
CT(L"{};"),
CT(L"{a: 1};"),
CT(L"{c: 2, d: 3};"),
CT(L"{'e' => 4, 'f' => 5};"),
CT(L"{g: 6, 'h' => 7};"),
CT(L"{a: 2 * 3, b: 5 + 8};"),
CT(L"[];"),
CT(L"[1, 2, 3];"),
CT(L"[1, 2 + 3, 4];"),
CT(L"MPSL.CORE.random();"),
CT(L"bool(1, 2) + 666;"),
CT(L"1 ; 2 ; 3;"),
CT(L"random();"),
CT(L"5 != '5';"),
CT(L"10 == '10';"),
CT(L"10 > 1 + 2;"),
CT(L"1 + 2 * 3;"),
CT(L"1 * 2 + 3;"),
CT(L"1.2 + 3.4;"),
CT(L"/* test test */"),
CT(L"1;"),
CT(L"!1;"),
CT(L"'abcde';"),
CT(L"3.14;"),
CT(NULL)
};
printf("\nComparing the output of the two compilers:\n");
r = mpdm_get_wcs(mpdm_root(), L"MPSL");
cc = mpdm_get_wcs(r, L"c_compiler");
ac = mpdm_get_wcs(r, L"a_compiler");
for (n = 0; compiler_tests[n].code; n++) {
mpdm_t c, x1, x2, d1, d2;
c = MPDM_S(compiler_tests[n].code);
mpdm_ref(c);
mpdm_set_wcs(r, cc, L"compiler");
x1 = mpsl_compile(c, NULL);
d1 = mpsl_decompile(x1);
mpdm_set_wcs(r, ac, L"compiler");
x2 = mpsl_compile(c, NULL);
d2 = mpsl_decompile(x2);
/* printf("%ls\n", mpdm_string(d1));
printf("%ls\n", mpdm_string(d2));*/
_do_test("compiler output equal",
mpdm_cmp(d1, d2) == 0, compiler_tests[n].line);
mpdm_unref(c);
}
mpdm_set_wcs(r, cc, L"compiler");
}
void do_set(mpdm_t * v1, mpdm_t v2)
{
mpdm_ref(v2);
mpdm_unref(*v1);
*v1 = v2;
}
void test_mpsl2(void)
{
mpdm_t v;
mpdm_t w;
/* execution tests */
v = do_test_mpsl("666;");
mpdm_dump(v);
v = do_test_exec(v, NULL);
do_test("literal number", mpdm_ival(v) == 666);
v = do_test_mpsl("\"goodbye\";");
v = do_test_exec(v, NULL);
do_test("literal string", mpdm_cmp(v, MPDM_S(L"goodbye")) == 0);
v = do_test_mpsl("1 + 3 + 5;");
v = do_test_exec(v, NULL);
do_test("mpsl calculator 1", mpdm_rval(v) == 9.0);
v = do_test_mpsl("1 + ((3 - 5) * 8);");
v = do_test_exec(v, NULL);
do_test("mpsl calculator 2", mpdm_rval(v) == -15.0);
/* next value cannot be tested as an exact equality,
as rounding errors will manifest */
v = do_test_mpsl("1.5 + ((3.1 - 5.8) * 8.0);");
v = do_test_exec(v, NULL);
do_test("mpsl calculator 3", mpdm_rval(v) < -20.0 && mpdm_rval(v) > -21.0);
v = do_test_mpsl("2 + 3 * 4;");
v = do_test_exec(v, NULL);
do_test("mpsl calculator 4", mpdm_rval(v) == 14.0);
v = do_test_mpsl("2 * 3 + 4;");
v = do_test_exec(v, NULL);
do_test("mpsl calculator 5", mpdm_rval(v) == 10.0);
v = do_test_exec(do_test_mpsl("2 + 3 * 4;"), NULL);
mpdm_ref(v);
w = do_test_exec(do_test_mpsl("2 + (3 * 4);"), NULL);
do_test("mpsl calculator 6 (operator precedence)", mpdm_rval(v) == mpdm_rval(w));
mpdm_unref(v);
v = do_test_exec(do_test_mpsl("2 + 3 * 4;"), NULL);
mpdm_ref(v);
w = do_test_exec(do_test_mpsl("(2 + 3) * 4;"), NULL);
do_test("mpsl calculator 7 (operator precedence)", mpdm_rval(v) != mpdm_rval(w));
mpdm_unref(v);
v = do_test_mpsl("/* array */ [\"this\", \"one\", \"is\", 666, \"cool\"];");
v = do_test_exec(v, NULL);
mpdm_dump(v);
do_test("mpsl array", mpdm_ival(mpdm_get_i(v, 3)) == 666);
v = do_test_mpsl
("/* hash */ { \"enero\" => \"january\", \"febrero\" => \"february\" };");
v = do_test_exec(v, NULL);
mpdm_dump(v);
do_test("mpsl hash", mpdm_cmp(mpdm_get(v,
MPDM_S(L"febrero")),
MPDM_S(L"february")) == 0);
v = do_test_mpsl("! 1;");
v = do_test_exec(v, NULL);
do_test("boolean not 1", !mpdm_is_true(v));
v = do_test_mpsl("! 0;");
v = do_test_exec(v, NULL);
do_test("boolean not 2", v != NULL);
v = do_test_mpsl("1 && 3;");
v = do_test_exec(v, NULL);
do_test("boolean and 1", mpdm_ival(v) == 3);
v = do_test_mpsl("1 && 0;");
v = do_test_exec(v, NULL);
do_test("boolean and 2", !mpdm_is_true(v));
v = do_test_mpsl("0 && 1;");
v = do_test_exec(v, NULL);
do_test("boolean and 3", !mpdm_is_true(v));
v = do_test_mpsl("1 || 3;");
v = do_test_exec(v, NULL);
do_test("boolean or 1", mpdm_ival(v) == 1);
v = do_test_mpsl("2 || 0;");
v = do_test_exec(v, NULL);
do_test("boolean or 2", mpdm_ival(v) == 2);
v = do_test_mpsl("0 || 3;");
v = do_test_exec(v, NULL);
do_test("boolean or 3", mpdm_ival(v) == 3);
v = do_test_mpsl("6 == 6;");
v = do_test_exec(v, NULL);
do_test("numeric == 1", v != NULL);
v = do_test_mpsl("8.0 == 8.0;");
v = do_test_exec(v, NULL);
do_test("numeric == 2", v != NULL);
v = do_test_mpsl("6 == 8;");
v = do_test_exec(v, NULL);
do_test("numeric == 3", !mpdm_is_true(v));
v = do_test_mpsl("6 != 6;");
v = do_test_exec(v, NULL);
do_test("numeric != 1", !mpdm_is_true(v));
v = do_test_mpsl("8.0 != 8.0;");
v = do_test_exec(v, NULL);
do_test("numeric != 2", !mpdm_is_true(v));
v = do_test_mpsl("6 != 8;");
v = do_test_exec(v, NULL);
do_test("numeric != 3", v != NULL);
v = do_test_mpsl("6 < 6;");
v = do_test_exec(v, NULL);
do_test("numeric < 1", !mpdm_is_true(v));
v = do_test_mpsl("8 < 6;");
v = do_test_exec(v, NULL);
do_test("numeric < 2", !mpdm_is_true(v));
v = do_test_mpsl("5 < 6;");
v = do_test_exec(v, NULL);
do_test("numeric < 3", v != NULL);
v = do_test_mpsl("6 > 6;");
v = do_test_exec(v, NULL);
do_test("numeric > 1", !mpdm_is_true(v));
v = do_test_mpsl("8 > 6;");
v = do_test_exec(v, NULL);
do_test("numeric > 2", v != NULL);
v = do_test_mpsl("5 > 6;");
v = do_test_exec(v, NULL);
do_test("numeric > 3", !mpdm_is_true(v));
v = do_test_mpsl("6 <= 6;");
v = do_test_exec(v, NULL);
do_test("numeric <= 1", v != NULL);
v = do_test_mpsl("8 <= 6;");
v = do_test_exec(v, NULL);
do_test("numeric <= 2", !mpdm_is_true(v));
v = do_test_mpsl("5 <= 6;");
v = do_test_exec(v, NULL);
do_test("numeric <= 3", v != NULL);
v = do_test_mpsl("6 >= 6;");
v = do_test_exec(v, NULL);
do_test("numeric >= 1", v != NULL);
v = do_test_mpsl("8 >= 6;");
v = do_test_exec(v, NULL);
do_test("numeric >= 2", v != NULL);
v = do_test_mpsl("5 >= 6;");
v = do_test_exec(v, NULL);
do_test("numeric >= 3", !mpdm_is_true(v));
v = do_test_mpsl("11 % 6;");
v = do_test_exec(v, NULL);
do_test("modulo", mpdm_ival(v) == 5);
v = do_test_mpsl("variable=16384;");
mpdm_dump(v);
v = do_test_exec(v, NULL);
do_test("assign 1", mpdm_ival(v) == 16384);
v = do_test_mpsl("array=[10, 20, 30, 40];");
v = do_test_exec(v, NULL);
do_test("assign 2", mpdm_ival(mpdm_get_i(v, 2)) == 30);
v = do_test_mpsl("a=1; b=2; c=3;");
mpdm_dump(v);
v = do_test_exec(v, NULL);
v = do_test_mpsl("CACHE={}; CACHE.regex=[]; CACHE.regex[0]=12345;");
v = do_test_exec(v, NULL);
v = do_test_mpsl("variable;");
v = do_test_exec(v, NULL);
do_test("symval 1", mpdm_ival(v) == 16384);
v = do_test_mpsl("variable2=1 + ((3 - 5) * 8); variable2;");
mpdm_dump(v);
v = do_test_exec(v, NULL);
do_test("symval 2", mpdm_rval(v) == -15);
v = do_test_mpsl("variable3=variable2 * 2;");
v = do_test_exec(v, NULL);
do_test("symval 3", mpdm_ival(v) == -30);
v = do_test_mpsl("sub mysum(a, b) { a + b; }");
mpdm_dump(v);
v = do_test_exec(v, NULL);
do_test("sub 1", v != NULL);
v = do_test_mpsl("sub pi() { 3.1416; }");
mpdm_dump(v);
v = do_test_exec(v, NULL);
do_test("sub 2", v != NULL);
v = do_test_mpsl("var10=pi();");
v = do_test_exec(v, NULL);
do_test("exec 1", mpdm_rval(v) == 3.1416);
v = do_test_mpsl("var11=pi() * 10000; var11;");
v = do_test_exec(v, NULL);
do_test("exec 2", mpdm_rval(v) == 31416);
v = do_test_mpsl("mysum(100, 20);");
v = do_test_exec(v, NULL);
do_test("exec 3", mpdm_rval(v) == 120.0);
v = do_test_mpsl("a = NULL;");
v = do_test_exec(v, NULL);
do_test("NULL 1", v == NULL);
v = do_test_mpsl("a == NULL;");
v = do_test_exec(v, NULL);
do_test("NULL 2", mpdm_ival(v) == 1);
v = do_test_mpsl("local a, b; a = 1; b = 2;");
v = do_test_exec(v, NULL);
v = do_test_mpsl("a == NULL;");
v = do_test_exec(v, NULL);
do_test("local 1", mpdm_ival(v) == 1);
v = do_test_mpsl("66 * -1;");
v = do_test_exec(v, NULL);
do_test("uminus", mpdm_ival(v) == -66);
v = do_test_mpsl("\"test\" eq \"test\";");
v = do_test_exec(v, NULL);
do_test("streq 1", mpdm_is_true(v));
v = do_test_mpsl("\"test\" eq \"prueba\";");
v = do_test_exec(v, NULL);
do_test("streq 1", !mpdm_is_true(v));
v = do_test_mpsl("a = 6; ++ a;");
v = do_test_exec(v, NULL);
do_test("pinc", mpdm_ival(v) == 7);
v = do_test_mpsl("a++;");
v = do_test_exec(v, NULL);
do_test("sinc", mpdm_ival(v) == 7);
v = do_test_mpsl("a += 10;");
v = do_test_exec(v, NULL);
do_test("iadd", mpdm_ival(v) == 18);
v = do_test_mpsl("local a, b, c; a=1; b=2; c=3; if(a == b) c=1000; c;");
v = do_test_exec(v, NULL);
do_test("if 1", mpdm_ival(v) == 3);
v = do_test_mpsl("local a, b, c; a=1; b=2; c=3; if(a <= b) c=1000; c;");
v = do_test_exec(v, NULL);
do_test("if 2", mpdm_ival(v) == 1000);
v = do_test_mpsl("local a, b, c; a=1; b=2; if(a == b) c=1000; else c=2000; c;");
v = do_test_exec(v, NULL);
do_test("ifelse", mpdm_ival(v) == 2000);
v = do_test_mpsl("local a; a = 0; while(a < 100) { a++; } a;");
v = do_test_exec(v, NULL);
do_test("ifelse", mpdm_ival(v) == 100);
v = do_test_mpsl("a=mysum(100, 50); a;");
v = do_test_exec(v, NULL);
do_test("mysum 1", mpdm_ival(v) == 150);
v = do_test_mpsl("a=mysum(2000, 500); a;");
v = do_test_exec(v, NULL);
do_test("mysum 2", mpdm_ival(v) == 2500);
w = mpdm_ref(MPDM_A(2));
mpdm_set_i(w, MPDM_I(100), 0);
mpdm_set_i(w, MPDM_I(50), 1);
/* asks for the value of the mysum symbol (the code) */
v = do_test_mpsl("mysum;");
/* executes, so mysum() itself is being returned */
v = do_test_exec(v, NULL);
mpdm_dump(v);
do_test("mysum 3", mpdm_ival(do_test_exec(v, w)) == 150);
mpdm_set_i(w, MPDM_I(75), 1);
do_test("mysum 4", mpdm_ival(do_test_exec(v, w)) == 175);
/* compiles (and executes) the definition of gcd() */
v = do_test_mpsl
("/* greatest common divisor (Euclid's algorithm) */ sub gcd(m, n) { while (m > 0) { if(n > m) { local t = m; m = n; n = t; } m -= n; } n; }");
do_test_exec(v, NULL);
/* gets a pointer to gcd() */
v = do_test_exec(do_test_mpsl("gcd;"), NULL);
mpdm_dump(v);
/* executes gcd(100, 50); */
mpdm_set_i(w, MPDM_I(50), 1);
do_test("gcd() 1", mpdm_ival(do_test_exec(v, w)) == 50);
/* executes gcd(100, 75); */
mpdm_set_i(w, MPDM_I(75), 1);
do_test("gcd() 2", mpdm_ival(do_test_exec(v, w)) == 25);
mpdm_unref(w);
/* string concatenation */
w = mpdm_ref(MPDM_S(L"big lebowski"));
v = do_test_mpsl("\"big\" ~ \" lebowski\";");
do_test("~ (strcat 1)", mpdm_cmp(do_test_exec(v, NULL), w) == 0);
v = do_test_mpsl("\"big\" ~ \" \" ~ \"lebowski\";");
do_test("~ (strcat 2)", mpdm_cmp(do_test_exec(v, NULL), w) == 0);
mpdm_unref(w);
}