[PATCH v6 0/1] MR10308: vbscript: fix chained array indexing on call expression results.

[Francis De Brabandere (＠francisdb)]

fixes 
* https://bugs.winehq.org/show_bug.cgi?id=58026
* https://bugs.winehq.org/show_bug.cgi?id=58056

--
  v6: vbscript: fix chained array indexing on call expression results.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10308

[PATCH v6 1/1] vbscript: fix chained array indexing on call expression results.

[Francis De Brabandere]

From: Francis De Brabandere <[e-mail]>

---
 dlls/vbscript/interp.c       |  9 ++++++++-
 dlls/vbscript/tests/lang.vbs | 19 +++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/dlls/vbscript/interp.c b/dlls/vbscript/interp.c
index 127fcc2c05e..90c5f235ec3 100644
--- a/dlls/vbscript/interp.c
+++ b/dlls/vbscript/interp.c
@@ -707,13 +707,20 @@ static HRESULT interp_icallv(exec_ctx_t *ctx)
 static HRESULT interp_vcall(exec_ctx_t *ctx)
 {
     const unsigned arg_cnt = ctx->instr->arg1.uint;
-    VARIANT res, *v;
+    VARIANT res = {0}, *v;
     HRESULT hres;
 
     TRACE("\n");
 
     v = stack_pop(ctx);
     hres = variant_call(ctx, v, arg_cnt, &res);
+    if(SUCCEEDED(hres) && V_VT(&res) == (VT_BYREF|VT_VARIANT)) {
+        VARIANT tmp;
+        V_VT(&tmp) = VT_EMPTY;
+        hres = VariantCopyInd(&tmp, &res);
+        if(SUCCEEDED(hres))
+            res = tmp;
+    }
     VariantClear(v);
     if(FAILED(hres))
         return hres;
diff --git a/dlls/vbscript/tests/lang.vbs b/dlls/vbscript/tests/lang.vbs
index 0025bfeddcf..1e63b9ad90c 100644
--- a/dlls/vbscript/tests/lang.vbs
+++ b/dlls/vbscript/tests/lang.vbs
@@ -1578,6 +1578,25 @@ ok arr2(1,2) = 2, "arr2(1,2) = " & arr2(1,2)
 x = Array(Array(3))
 call ok(x(0)(0) = 3, "x(0)(0) = " & x(0)(0))
 
+Class ArrayReturnContainer
+    Public Default Property Get Item(key)
+        If key = "Key" Then
+            Item = Array("Value1", Array("SubValue1", "SubValue2"))
+        End If
+    End Property
+End Class
+
+Dim containerObj
+Set containerObj = New ArrayReturnContainer
+call ok(containerObj.Item("Key")(0) = "Value1", "containerObj.Item(Key)(0) = " & containerObj.Item("Key")(0))
+call ok(containerObj.Item("Key")(1)(0) = "SubValue1", "containerObj.Item(Key)(1)(0) = " & containerObj.Item("Key")(1)(0))
+call ok(containerObj.Item("Key")(1)(1) = "SubValue2", "containerObj.Item(Key)(1)(1) = " & containerObj.Item("Key")(1)(1))
+call ok(containerObj("Key")(0) = "Value1", "containerObj(Key)(0) = " & containerObj("Key")(0))
+call ok(containerObj("Key")(1)(0) = "SubValue1", "containerObj(Key)(1)(0) = " & containerObj("Key")(1)(0))
+
+call ok(Split("1;2", ";")(0) = "1", "Split(""1;2"", "";"")(0) = " & Split("1;2", ";")(0))
+call ok(Split("1;2", ";")(1) = "2", "Split(""1;2"", "";"")(1) = " & Split("1;2", ";")(1))
+
 function seta0(arr)
     arr(0) = 2
     seta0 = 1
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/10308