vbscript: Added interp_and implementation.

dlls/vbscript/interp.c

@@ -566,8 +566,26 @@ static HRESULT interp_not(exec_ctx_t *ctx)
 
 static HRESULT interp_and(exec_ctx_t *ctx)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    variant_val_t r, l;
+    VARIANT v;
+    HRESULT hres;
+
+    TRACE("\n");
+
+    hres = stack_pop_val(ctx, &r);
+    if(FAILED(hres))
+        return hres;
+
+    hres = stack_pop_val(ctx, &l);
+    if(SUCCEEDED(hres)) {
+        hres = VarAnd(l.v, r.v, &v);
+        release_val(&l);
+    }
+    release_val(&r);
+    if(FAILED(hres))
+        return hres;
+
+    return stack_push(ctx, &v);
 }
 
 static HRESULT cmp_oper(exec_ctx_t *ctx)

dlls/vbscript/tests/lang.vbs

@@ -86,6 +86,11 @@ if(isEnglishLocale) then
     Call ok(true & false = "TrueFalse", "true & false = " & (true & false))
 end if
 
+call ok(true and true, "true and true is not true")
+call ok(true and not false, "true and not false is not true")
+call ok(not (false and true), "not (false and true) is not true")
+call ok(getVT(null and true) = "VT_NULL", "getVT(null and true) = " & getVT(null and true))
+
 x = 3
 Call ok(2+2 = 4, "2+2 = " & (2+2))
 Call ok(false + 6 + true = 5, "false + 6 + true <> 5")