[PATCH] vbscript: Lookup the identifier in the named item's disp after its script dispatch.

Gabriel Ivăncescu gabrielopcode at gmail.com
Fri Mar 27 11:06:41 CDT 2020


If the bytecode has a named item context, its disp is looked for the
identifier before any globals, but after its script dispatch.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
---

I don't know why Windows calls GetItemInfo_visible since visibleItem
already had it called, but only does it once (so it's definitely still
"stored" somewhere -- the refcount to it also show this). I know why it
calls GetIDsOfNames for the 'dim x', but for some reason we don't. So those
are marked todo_wine for now.

The logic follows the one from jscript.

 dlls/vbscript/interp.c         | 14 ++++++------
 dlls/vbscript/tests/vbscript.c | 42 +++++++++++++++++++++++++++++++++-
 2 files changed, 48 insertions(+), 8 deletions(-)

diff --git a/dlls/vbscript/interp.c b/dlls/vbscript/interp.c
index 95614b1..d50ef46 100644
--- a/dlls/vbscript/interp.c
+++ b/dlls/vbscript/interp.c
@@ -181,6 +181,13 @@ static HRESULT lookup_identifier(exec_ctx_t *ctx, BSTR name, vbdisp_invoke_type_
         }
     }
 
+    if(ctx->code->named_item) {
+        if(lookup_global_vars(ctx->code->named_item->script_obj, name, ref))
+            return S_OK;
+        if(lookup_global_funcs(ctx->code->named_item->script_obj, name, ref))
+            return S_OK;
+    }
+
     if(ctx->func->code_ctx->named_item && ctx->func->code_ctx->named_item->disp) {
         hres = disp_get_id(ctx->func->code_ctx->named_item->disp, name, invoke_type, TRUE, &id);
         if(SUCCEEDED(hres)) {
@@ -191,13 +198,6 @@ static HRESULT lookup_identifier(exec_ctx_t *ctx, BSTR name, vbdisp_invoke_type_
         }
     }
 
-    if(ctx->code->named_item) {
-        if(lookup_global_vars(ctx->code->named_item->script_obj, name, ref))
-            return S_OK;
-        if(lookup_global_funcs(ctx->code->named_item->script_obj, name, ref))
-            return S_OK;
-    }
-
     if(lookup_global_vars(script_obj, name, ref))
         return S_OK;
     if(lookup_global_funcs(script_obj, name, ref))
diff --git a/dlls/vbscript/tests/vbscript.c b/dlls/vbscript/tests/vbscript.c
index 7545ca3..a997a51 100644
--- a/dlls/vbscript/tests/vbscript.c
+++ b/dlls/vbscript/tests/vbscript.c
@@ -97,6 +97,7 @@ DEFINE_EXPECT(OnEnterScript);
 DEFINE_EXPECT(OnLeaveScript);
 DEFINE_EXPECT(OnScriptError);
 DEFINE_EXPECT(GetIDsOfNames);
+DEFINE_EXPECT(GetIDsOfNames_visible);
 DEFINE_EXPECT(GetItemInfo_global);
 DEFINE_EXPECT(GetItemInfo_global_code);
 DEFINE_EXPECT(GetItemInfo_visible);
@@ -218,6 +219,19 @@ static HRESULT WINAPI Dispatch_GetIDsOfNames(IDispatch *iface, REFIID riid, LPOL
     return DISP_E_UNKNOWNNAME;
 }
 
+static HRESULT WINAPI visible_GetIDsOfNames(IDispatch *iface, REFIID riid, LPOLESTR *names, UINT name_cnt,
+                                            LCID lcid, DISPID *ids)
+{
+    ok(name_cnt == 1, "name_cnt = %u\n", name_cnt);
+    if(!wcscmp(names[0], L"testCall")) {
+        *ids = 1;
+        return S_OK;
+    }
+
+    CHECK_EXPECT2(GetIDsOfNames_visible);
+    return DISP_E_UNKNOWNNAME;
+}
+
 static HRESULT WINAPI Dispatch_Invoke(IDispatch *iface, DISPID id, REFIID riid, LCID lcid, WORD flags,
                                       DISPPARAMS *dp, VARIANT *res, EXCEPINFO *ei, UINT *err)
 {
@@ -259,7 +273,7 @@ static const IDispatchVtbl visible_named_item_vtbl = {
     visible_Release,
     Dispatch_GetTypeInfoCount,
     Dispatch_GetTypeInfo,
-    Dispatch_GetIDsOfNames,
+    visible_GetIDsOfNames,
     Dispatch_Invoke
 };
 
@@ -1998,6 +2012,32 @@ static void test_named_items(void)
     CHECK_CALLED(OnEnterScript);
     CHECK_CALLED(GetIDsOfNames);
     CHECK_CALLED(OnLeaveScript);
+
+    SET_EXPECT(OnEnterScript);
+    SET_EXPECT(GetItemInfo_visible);
+    SET_EXPECT(GetIDsOfNames_visible);
+    SET_EXPECT(OnLeaveScript);
+    hres = IActiveScriptParse_ParseScriptText(parse, L"dim abc\n", L"visibleItem", NULL, NULL, 0, 0, 0, NULL, NULL);
+    ok(hres == S_OK, "ParseScriptText failed: %08x\n", hres);
+    CHECK_CALLED(OnEnterScript);
+    todo_wine CHECK_CALLED(GetItemInfo_visible);
+    todo_wine CHECK_CALLED(GetIDsOfNames_visible);
+    CHECK_CALLED(OnLeaveScript);
+    SET_EXPECT(OnEnterScript);
+    SET_EXPECT(OnLeaveScript);
+    hres = IActiveScriptParse_ParseScriptText(parse, L"abc = 5\n", L"visibleItem", NULL, NULL, 0, 0, 0, NULL, NULL);
+    ok(hres == S_OK, "ParseScriptText failed: %08x\n", hres);
+    CHECK_CALLED(OnEnterScript);
+    CHECK_CALLED(OnLeaveScript);
+    SET_EXPECT(OnEnterScript);
+    SET_EXPECT(GetIDsOfNames_visible);
+    SET_EXPECT(OnLeaveScript);
+    hres = IActiveScriptParse_ParseScriptText(parse, L"testVar_global = 5\n", L"visibleItem", NULL, NULL, 0, 0, 0, NULL, NULL);
+    ok(hres == S_OK, "ParseScriptText failed: %08x\n", hres);
+    CHECK_CALLED(OnEnterScript);
+    CHECK_CALLED(GetIDsOfNames_visible);
+    CHECK_CALLED(OnLeaveScript);
+
     SET_EXPECT(OnEnterScript);
     SET_EXPECT(OnLeaveScript);
     hres = IActiveScriptParse_ParseScriptText(parse, L"set global_me = me\n", L"globalItem", NULL, NULL, 0, 0, SCRIPTTEXT_ISPERSISTENT, NULL, NULL);
-- 
2.21.0




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