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+// -*- c -*-
+//
+// %CopyrightBegin%
+//
+// Copyright Ericsson AB 2017. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// %CopyrightEnd%
+//
+
+ensure_map(Map) {
+ if (is_not_map($Map)) {
+ c_p->freason = BADMAP;
+ c_p->fvalue = $Map;
+ $FAIL_BODY();
+ }
+}
+
+new_map(Dst, Live, N) {
+ Eterm res;
+
+ HEAVY_SWAPOUT;
+ res = new_map(c_p, reg, $Live, $N, $NEXT_INSTRUCTION);
+ HEAVY_SWAPIN;
+ $REFRESH_GEN_DEST();
+ $Dst = res;
+ $NEXT($NEXT_INSTRUCTION+$N);
+}
+
+i_new_small_map_lit(Dst, Live, Keys) {
+ Eterm res;
+ Uint n;
+ Eterm keys = $Keys;
+
+ HEAVY_SWAPOUT;
+ res = new_small_map_lit(c_p, reg, keys, $Live, $NEXT_INSTRUCTION);
+ HEAVY_SWAPIN;
+ $REFRESH_GEN_DEST();
+ $Dst = res;
+ n = arityval(*tuple_val(keys));
+ $NEXT($NEXT_INSTRUCTION+n);
+}
+
+i_get_map_element(Fail, Src, Key, Dst) {
+ Eterm res = get_map_element($Src, $Key);
+ if (is_non_value(res)) {
+ $FAIL($Fail);
+ }
+ $Dst = res;
+}
+
+i_get_map_element_hash(Fail, Src, Key, Hx, Dst) {
+ Eterm res = get_map_element_hash($Src, $Key, $Hx);
+ if (is_non_value(res)) {
+ $FAIL($Fail);
+ }
+ $Dst = res;
+}
+
+i_get_map_elements(Fail, Src, N) {
+ Eterm map;
+ BeamInstr *fs;
+ Uint sz, n;
+
+ map = $Src;
+
+ /* This instruction assumes Arg1 is a map,
+ * i.e. that it follows a test is_map if needed.
+ */
+
+ n = (Uint)$N / 3;
+ fs = $NEXT_INSTRUCTION;
+
+ if (is_flatmap(map)) {
+ flatmap_t *mp;
+ Eterm *ks;
+ Eterm *vs;
+
+ mp = (flatmap_t *)flatmap_val(map);
+ sz = flatmap_get_size(mp);
+
+ if (sz == 0) {
+ $FAIL($Fail);
+ }
+
+ ks = flatmap_get_keys(mp);
+ vs = flatmap_get_values(mp);
+
+ while(sz) {
+ if (EQ((Eterm) fs[0], *ks)) {
+ PUT_TERM_REG(*vs, fs[1]);
+ n--;
+ fs += 3;
+ /* no more values to fetch, we are done */
+ if (n == 0) {
+ $NEXT(fs);
+ }
+ }
+ ks++, sz--, vs++;
+ }
+ $FAIL($Fail);
+ } else {
+ const Eterm *v;
+ Uint32 hx;
+ ASSERT(is_hashmap(map));
+ while(n--) {
+ hx = fs[2];
+ ASSERT(hx == hashmap_make_hash((Eterm)fs[0]));
+ if ((v = erts_hashmap_get(hx, (Eterm)fs[0], map)) == NULL) {
+ $FAIL($Fail);
+ }
+ PUT_TERM_REG(*v, fs[1]);
+ fs += 3;
+ }
+ $NEXT(fs);
+ }
+}
+
+update_map_assoc(Src, Dst, Live, N) {
+ Eterm res;
+ Uint live = $Live;
+
+ reg[live] = $Src;
+ HEAVY_SWAPOUT;
+ res = update_map_assoc(c_p, reg, live, $N, $NEXT_INSTRUCTION);
+ HEAVY_SWAPIN;
+ ASSERT(is_value(res));
+ $REFRESH_GEN_DEST();
+ $Dst = res;
+ $NEXT($NEXT_INSTRUCTION+$N);
+}
+
+update_map_exact(Fail, Src, Dst, Live, N) {
+ Eterm res;
+ Uint live = $Live;
+
+ reg[live] = $Src;
+ HEAVY_SWAPOUT;
+ res = update_map_exact(c_p, reg, live, $N, $NEXT_INSTRUCTION);
+ HEAVY_SWAPIN;
+ if (is_value(res)) {
+ $REFRESH_GEN_DEST();
+ $Dst = res;
+ $NEXT($NEXT_INSTRUCTION+$N);
+ } else {
+ $FAIL_HEAD_OR_BODY($Fail);
+ }
+}