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Diffstat (limited to 'erts/emulator/beam/beam_emu.c')
-rw-r--r--erts/emulator/beam/beam_emu.c200
1 files changed, 81 insertions, 119 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 4e01d94b92..6a3415d9f4 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -701,8 +701,6 @@ void** beam_ops;
#define IsMap(Src, Fail) if (!is_map(Src)) { Fail; }
-#define HasMapField(Src, Key, Fail) if (has_not_map_field(Src, Key)) { Fail; }
-
#define GetMapElement(Src, Key, Dst, Fail) \
do { \
Eterm _res = get_map_element(Src, Key); \
@@ -712,6 +710,15 @@ void** beam_ops;
Dst = _res; \
} while (0)
+#define GetMapElementHash(Src, Key, Hx, Dst, Fail) \
+ do { \
+ Eterm _res = get_map_element_hash(Src, Key, Hx); \
+ if (is_non_value(_res)) { \
+ Fail; \
+ } \
+ Dst = _res; \
+ } while (0)
+
#define IsFunction(X, Action) \
do { \
if ( !(is_any_fun(X)) ) { \
@@ -960,8 +967,8 @@ static Eterm update_map_assoc(Process* p, Eterm* reg,
Eterm map, BeamInstr* I) NOINLINE;
static Eterm update_map_exact(Process* p, Eterm* reg,
Eterm map, BeamInstr* I) NOINLINE;
-static int has_not_map_field(Eterm map, Eterm key);
static Eterm get_map_element(Eterm map, Eterm key);
+static Eterm get_map_element_hash(Eterm map, Eterm key, Uint32 hx);
/*
* Functions not directly called by process_main(). OK to inline.
@@ -2371,77 +2378,16 @@ void process_main(void)
Goto(*I);
}
- OpCase(new_map_jdII): {
+ OpCase(new_map_dII): {
Eterm res;
x(0) = r(0);
SWAPOUT;
- res = new_map(c_p, reg, I);
+ res = new_map(c_p, reg, I-1);
SWAPIN;
r(0) = x(0);
- StoreResult(res, Arg(1));
- Next(4+Arg(3));
- }
-
- OpCase(i_has_map_fields_fsI): {
- flatmap_t* mp;
- Eterm map;
- Eterm field;
- Eterm *ks;
- BeamInstr* fs;
- Uint sz,n;
-
- GetArg1(1, map);
- n = (Uint)Arg(2);
- fs = &Arg(3); /* pattern fields */
-
- /* get term from field? */
- if (is_hashmap(map)) {
- Uint32 hx;
- while(n--) {
- field = *fs++;
- hx = hashmap_make_hash(field);
- if (!erts_hashmap_get(hx,field,map)) {
- SET_I((BeamInstr *) Arg(0));
- goto has_map_fields_fail;
- }
- }
- goto has_map_fields_ok;
- }
-
- ASSERT(is_flatmap(map));
-
- mp = (flatmap_t *)flatmap_val(map);
- sz = flatmap_get_size(mp);
-
- if (sz == 0) {
- SET_I((BeamInstr *) Arg(0));
- goto has_map_fields_fail;
- }
-
- ks = flatmap_get_keys(mp);
-
- ASSERT(n>0);
-
- while(sz) {
- field = (Eterm)*fs;
- if (EQ(field,*ks)) {
- n--;
- fs++;
- if (n == 0) break;
- }
- ks++; sz--;
- }
-
- if (n) {
- SET_I((BeamInstr *) Arg(0));
- goto has_map_fields_fail;
- }
-has_map_fields_ok:
- I += 4 + Arg(2);
-has_map_fields_fail:
- ASSERT(VALID_INSTR(*I));
- Goto(*I);
+ StoreResult(res, Arg(0));
+ Next(3+Arg(2));
}
#define PUT_TERM_REG(term, desc) \
@@ -2473,7 +2419,7 @@ do { \
* i.e. that it follows a test is_map if needed.
*/
- n = (Uint)Arg(2) / 2;
+ n = (Uint)Arg(2) / 3;
fs = &Arg(3); /* pattern fields and target registers */
if (is_flatmap(map)) {
@@ -2485,49 +2431,43 @@ do { \
sz = flatmap_get_size(mp);
if (sz == 0) {
- SET_I((BeamInstr *) Arg(0));
- goto get_map_elements_fail;
+ ClauseFail();
}
ks = flatmap_get_keys(mp);
vs = flatmap_get_values(mp);
while(sz) {
- if (EQ((Eterm)*fs,*ks)) {
+ if (EQ((Eterm) fs[0], *ks)) {
PUT_TERM_REG(*vs, fs[1]);
n--;
- fs += 2;
+ fs += 3;
/* no more values to fetch, we are done */
- if (n == 0) break;
+ if (n == 0) {
+ I = fs;
+ Next(-1);
+ }
}
- ks++; sz--;
- vs++;
+ ks++, sz--, vs++;
}
- if (n) {
- SET_I((BeamInstr *) Arg(0));
- goto get_map_elements_fail;
- }
+ ClauseFail();
} else {
const Eterm *v;
Uint32 hx;
ASSERT(is_hashmap(map));
while(n--) {
- hx = hashmap_make_hash((Eterm)*fs);
- if ((v = erts_hashmap_get(hx,(Eterm)*fs, map)) == NULL) {
- SET_I((BeamInstr *) Arg(0));
- goto get_map_elements_fail;
+ hx = fs[2];
+ ASSERT(hx == hashmap_make_hash((Eterm)fs[0]));
+ if ((v = erts_hashmap_get(hx, (Eterm)fs[0], map)) == NULL) {
+ ClauseFail();
}
PUT_TERM_REG(*v, fs[1]);
- fs += 2;
+ fs += 3;
}
+ I = fs;
+ Next(-1);
}
-
-
- I += 4 + Arg(2);
-get_map_elements_fail:
- ASSERT(VALID_INSTR(*I));
- Goto(*I);
}
#undef PUT_TERM_REG
@@ -2545,7 +2485,13 @@ get_map_elements_fail:
StoreResult(res, Arg(2));
Next(5+Arg(4));
} else {
- goto badarg;
+ /*
+ * This can only happen if the code was compiled
+ * with the compiler in OTP 17.
+ */
+ c_p->freason = BADMAP;
+ c_p->fvalue = map;
+ goto lb_Cl_error;
}
}
@@ -2563,7 +2509,7 @@ get_map_elements_fail:
StoreResult(res, Arg(2));
Next(5+Arg(4));
} else {
- goto badarg;
+ goto lb_Cl_error;
}
}
@@ -5313,7 +5259,9 @@ Eterm error_atom[NUMBER_EXIT_CODES] = {
am_notalive, /* 14 */
am_system_limit, /* 15 */
am_try_clause, /* 16 */
- am_notsup /* 17 */
+ am_notsup, /* 17 */
+ am_badmap, /* 18 */
+ am_badkey, /* 19 */
};
/*
@@ -5569,6 +5517,8 @@ expand_error_value(Process* c_p, Uint freason, Eterm Value) {
case (GET_EXC_INDEX(EXC_TRY_CLAUSE)):
case (GET_EXC_INDEX(EXC_BADFUN)):
case (GET_EXC_INDEX(EXC_BADARITY)):
+ case (GET_EXC_INDEX(EXC_BADMAP)):
+ case (GET_EXC_INDEX(EXC_BADKEY)):
/* Some common exceptions: value -> {atom, value} */
ASSERT(is_value(Value));
hp = HAlloc(c_p, 3);
@@ -6450,42 +6400,45 @@ new_fun(Process* p, Eterm* reg, ErlFunEntry* fe, int num_free)
return make_fun(funp);
}
-static int has_not_map_field(Eterm map, Eterm key)
+static Eterm get_map_element(Eterm map, Eterm key)
{
Uint32 hx;
+ const Eterm *vs;
if (is_flatmap(map)) {
- flatmap_t* mp;
- Eterm* keys;
+ flatmap_t *mp;
+ Eterm *ks;
Uint i;
Uint n;
- mp = (flatmap_t *)flatmap_val(map);
- keys = flatmap_get_keys(mp);
- n = flatmap_get_size(mp);
+ mp = (flatmap_t *)flatmap_val(map);
+ ks = flatmap_get_keys(mp);
+ vs = flatmap_get_values(mp);
+ n = flatmap_get_size(mp);
if (is_immed(key)) {
for (i = 0; i < n; i++) {
- if (keys[i] == key) {
- return 0;
+ if (ks[i] == key) {
+ return vs[i];
}
}
} else {
- for (i = 0; i < n; i++) {
- if (EQ(keys[i], key)) {
- return 0;
+ for (i = 0; i < n; i++) {
+ if (EQ(ks[i], key)) {
+ return vs[i];
}
}
}
- return 1;
+ return THE_NON_VALUE;
}
ASSERT(is_hashmap(map));
hx = hashmap_make_hash(key);
- return erts_hashmap_get(hx,key,map) ? 0 : 1;
+ vs = erts_hashmap_get(hx,key,map);
+ return vs ? *vs : THE_NON_VALUE;
}
-static Eterm get_map_element(Eterm map, Eterm key)
+static Eterm get_map_element_hash(Eterm map, Eterm key, Uint32 hx)
{
- Uint32 hx;
const Eterm *vs;
+
if (is_flatmap(map)) {
flatmap_t *mp;
Eterm *ks;
@@ -6511,9 +6464,10 @@ static Eterm get_map_element(Eterm map, Eterm key)
}
return THE_NON_VALUE;
}
+
ASSERT(is_hashmap(map));
- hx = hashmap_make_hash(key);
- vs = erts_hashmap_get(hx,key,map);
+ ASSERT(hx == hashmap_make_hash(key));
+ vs = erts_hashmap_get(hx, key, map);
return vs ? *vs : THE_NON_VALUE;
}
@@ -6648,10 +6602,9 @@ update_map_assoc(Process* p, Eterm* reg, Eterm map, BeamInstr* I)
reg[live] = res;
erts_garbage_collect(p, 0, reg, live+1);
res = reg[live];
+ E = p->stop;
}
- E = p->stop;
-
new_p += 2;
}
return res;
@@ -6851,30 +6804,34 @@ update_map_exact(Process* p, Eterm* reg, Eterm map, BeamInstr* I)
/* apparently the compiler does not emit is_map instructions,
* bad compiler */
- if (is_not_hashmap(map))
+ if (is_not_hashmap(map)) {
+ p->freason = BADMAP;
+ p->fvalue = map;
return THE_NON_VALUE;
+ }
res = map;
E = p->stop;
while(n--) {
- /* assoc can't fail */
GET_TERM(new_p[0], new_key);
GET_TERM(new_p[1], val);
hx = hashmap_make_hash(new_key);
res = erts_hashmap_insert(p, hx, new_key, val, res, 1);
- if (is_non_value(res))
+ if (is_non_value(res)) {
+ p->fvalue = new_key;
+ p->freason = BADKEY;
return res;
+ }
if (p->mbuf) {
Uint live = Arg(3);
reg[live] = res;
erts_garbage_collect(p, 0, reg, live+1);
res = reg[live];
+ E = p->stop;
}
- E = p->stop;
-
new_p += 2;
}
return res;
@@ -6884,10 +6841,13 @@ update_map_exact(Process* p, Eterm* reg, Eterm map, BeamInstr* I)
num_old = flatmap_get_size(old_mp);
/*
- * If the old map is empty, create a new map.
+ * If the old map is empty, fail.
*/
if (num_old == 0) {
+ E = p->stop;
+ p->freason = BADKEY;
+ GET_TERM(new_p[0], p->fvalue);
return THE_NON_VALUE;
}
@@ -6957,6 +6917,8 @@ update_map_exact(Process* p, Eterm* reg, Eterm map, BeamInstr* I)
* update list did not previously exist.
*/
ASSERT(hp == p->htop + need);
+ p->freason = BADKEY;
+ p->fvalue = new_key;
return THE_NON_VALUE;
}
#undef GET_TERM