Jacek Caban : jscript: Add Map.prototype.get implementation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6cc5aa4286ed62fd603ac84b186f5eedf07a0744
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=6cc5aa4286ed62fd603ac84b186f5eedf07a0744

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Tue Apr 27 18:12:01 2021 +0200

jscript: Add Map.prototype.get implementation.

Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/jscript/set.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/dlls/jscript/set.c b/dlls/jscript/set.c
index 7524bf02759..789ba8e398e 100644
--- a/dlls/jscript/set.c
+++ b/dlls/jscript/set.c
@@ -231,8 +231,20 @@ static HRESULT Map_forEach(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsig
 static HRESULT Map_get(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
         jsval_t *r)
 {
-    FIXME("%p\n", jsthis);
-    return E_NOTIMPL;
+    jsval_t key = argc >= 1 ? argv[0] : jsval_undefined();
+    struct jsval_map_entry *entry;
+    MapInstance *map;
+
+    if(!(map = get_map_this(jsthis))) return JS_E_MAP_EXPECTED;
+
+    TRACE("%p (%s)\n", map, debugstr_jsval(key));
+
+    if(!(entry = get_map_entry(map, key))) {
+        if(r) *r = jsval_undefined();
+        return S_OK;
+    }
+
+    return r ? jsval_copy(entry->value, r) : S_OK;
 }
 
 static HRESULT Map_set(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,