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jscript: Pass correct 'this' to host objects in ES5 mode.

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For some reason, only pure js objects are passed in mshtml's jscript engine.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
This commit is contained in:
Gabriel Ivăncescu 2022-11-30 18:14:24 +02:00 committed by Alexandre Julliard
parent 144479afa1
commit 2e4721ac8f
3 changed files with 119 additions and 8 deletions
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11
dlls/jscript/dispex.c
View File

@ -2212,14 +2212,11 @@ HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, jsval_t vthis, WORD
if(jsdisp)
jsdisp_release(jsdisp);
if(is_undefined(vthis))
jsthis = NULL;
else if(is_object_instance(vthis))
if(is_object_instance(vthis) && (ctx->version < SCRIPTLANGUAGEVERSION_ES5 ||
((jsdisp = to_jsdisp(get_object(vthis))) && is_class(jsdisp, JSCLASS_OBJECT))))
jsthis = get_object(vthis);
else {
FIXME("Unimplemented 'this' passed to host object: %s\n", debugstr_jsval(vthis));
return E_NOTIMPL;
}
else
jsthis = NULL;
flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
if(r && argc && flags == DISPATCH_METHOD)

14
dlls/mshtml/tests/es5.js
View File

@ -1668,6 +1668,20 @@ sync_test("builtin_context", function() {
ok(obj.valueOf() === 42, "obj = " + obj);
});
sync_test("host this", function() {
var tests = [ undefined, null, external.nullDisp, function() {}, [0], "foobar", true, 42, new Number(42), external.testHostContext(true), window, document ];
var i, obj = Object.create(Function.prototype);
// only pure js objects are passed as 'this' (regardless of prototype)
[137].forEach(external.testHostContext(true), obj);
Function.prototype.apply.call(external.testHostContext(true), obj, [137, 0, {}]);
for(i = 0; i < tests.length; i++) {
[137].forEach(external.testHostContext(false), tests[i]);
Function.prototype.apply.call(external.testHostContext(false), tests[i], [137, 0, {}]);
}
});
sync_test("head_setter", function() {
document.head = "";
ok(typeof(document.head) === "object", "typeof(document.head) = " + typeof(document.head));

102
dlls/mshtml/tests/script.c
View File

@ -158,7 +158,8 @@ DEFINE_EXPECT(GetTypeInfo);
#define DISPID_EXTERNAL_IS_ENGLISH 0x300009
#define DISPID_EXTERNAL_LIST_SEP 0x30000A
#define DISPID_EXTERNAL_TEST_VARS 0x30000B
#define DISPID_EXTERNAL_GETMIMETYPE 0x30000C
#define DISPID_EXTERNAL_TESTHOSTCTX 0x30000C
#define DISPID_EXTERNAL_GETMIMETYPE 0x30000D
static const GUID CLSID_TestScript =
{0x178fc163,0xf585,0x4e24,{0x9c,0x13,0x4b,0xb7,0xfa,0xf8,0x07,0x46}};
@ -745,6 +746,87 @@ static IDispatchExVtbl scriptDispVtbl = {
static IDispatchEx scriptDisp = { &scriptDispVtbl };
static HRESULT WINAPI testHostContextDisp_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
{
ok(id == DISPID_VALUE, "id = %ld\n", id);
ok(wFlags == (DISPATCH_PROPERTYGET | DISPATCH_METHOD), "wFlags = %x\n", wFlags);
ok(pdp != NULL, "pdp == NULL\n");
ok(pdp->cArgs == 4, "pdp->cArgs = %d\n", pdp->cArgs);
ok(pdp->cNamedArgs == 1, "pdp->cNamedArgs = %d\n", pdp->cNamedArgs);
ok(pdp->rgdispidNamedArgs[0] == DISPID_THIS, "pdp->rgdispidNamedArgs[0] = %ld\n", pdp->rgdispidNamedArgs[0]);
ok(V_VT(&pdp->rgvarg[0]) == VT_DISPATCH, "V_VT(rgvarg[0]) = %d\n", V_VT(&pdp->rgvarg[0]));
ok(V_DISPATCH(&pdp->rgvarg[0]) != NULL, "V_DISPATCH(rgvarg[0]) = NULL\n");
ok(V_VT(&pdp->rgvarg[1]) == VT_DISPATCH, "V_VT(rgvarg[1]) = %d\n", V_VT(&pdp->rgvarg[1]));
ok(V_DISPATCH(&pdp->rgvarg[1]) != NULL, "V_DISPATCH(rgvarg[1]) = NULL\n");
ok(V_VT(&pdp->rgvarg[2]) == VT_I4, "V_VT(rgvarg[2]) = %d\n", V_VT(&pdp->rgvarg[2]));
ok(V_I4(&pdp->rgvarg[2]) == 0, "V_I4(rgvarg[2]) = %ld\n", V_I4(&pdp->rgvarg[2]));
ok(V_VT(&pdp->rgvarg[3]) == VT_I4, "V_VT(rgvarg[3]) = %d\n", V_VT(&pdp->rgvarg[3]));
ok(V_I4(&pdp->rgvarg[3]) == 137, "V_I4(rgvarg[3]) = %ld\n", V_I4(&pdp->rgvarg[3]));
V_VT(pvarRes) = VT_EMPTY;
return S_OK;
}
static IDispatchExVtbl testHostContextDispVtbl = {
DispatchEx_QueryInterface,
DispatchEx_AddRef,
DispatchEx_Release,
DispatchEx_GetTypeInfoCount,
DispatchEx_GetTypeInfo,
DispatchEx_GetIDsOfNames,
DispatchEx_Invoke,
DispatchEx_GetDispID,
testHostContextDisp_InvokeEx,
DispatchEx_DeleteMemberByName,
DispatchEx_DeleteMemberByDispID,
DispatchEx_GetMemberProperties,
DispatchEx_GetMemberName,
DispatchEx_GetNextDispID,
DispatchEx_GetNameSpaceParent
};
static IDispatchEx testHostContextDisp = { &testHostContextDispVtbl };
static HRESULT WINAPI testHostContextDisp_no_this_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
{
ok(id == DISPID_VALUE, "id = %ld\n", id);
ok(wFlags == (DISPATCH_PROPERTYGET | DISPATCH_METHOD), "wFlags = %x\n", wFlags);
ok(pdp != NULL, "pdp == NULL\n");
ok(pdp->cArgs == 3, "pdp->cArgs = %d\n", pdp->cArgs);
ok(V_VT(&pdp->rgvarg[0]) == VT_DISPATCH, "V_VT(rgvarg[1]) = %d\n", V_VT(&pdp->rgvarg[1]));
ok(V_DISPATCH(&pdp->rgvarg[0]) != NULL, "V_DISPATCH(rgvarg[1]) = NULL\n");
ok(V_VT(&pdp->rgvarg[1]) == VT_I4, "V_VT(rgvarg[2]) = %d\n", V_VT(&pdp->rgvarg[2]));
ok(V_I4(&pdp->rgvarg[1]) == 0, "V_I4(rgvarg[2]) = %ld\n", V_I4(&pdp->rgvarg[2]));
ok(V_VT(&pdp->rgvarg[2]) == VT_I4, "V_VT(rgvarg[3]) = %d\n", V_VT(&pdp->rgvarg[3]));
ok(V_I4(&pdp->rgvarg[2]) == 137, "V_I4(rgvarg[3]) = %ld\n", V_I4(&pdp->rgvarg[3]));
ok(pvarRes != NULL, "pvarRes == NULL\n");
ok(pei != NULL, "pei == NULL\n");
ok(pspCaller != NULL, "pspCaller == NULL\n");
V_VT(pvarRes) = VT_EMPTY;
return S_OK;
}
static IDispatchExVtbl testHostContextDisp_no_this_vtbl = {
DispatchEx_QueryInterface,
DispatchEx_AddRef,
DispatchEx_Release,
DispatchEx_GetTypeInfoCount,
DispatchEx_GetTypeInfo,
DispatchEx_GetIDsOfNames,
DispatchEx_Invoke,
DispatchEx_GetDispID,
testHostContextDisp_no_this_InvokeEx,
DispatchEx_DeleteMemberByName,
DispatchEx_DeleteMemberByDispID,
DispatchEx_GetMemberProperties,
DispatchEx_GetMemberName,
DispatchEx_GetNextDispID,
DispatchEx_GetNameSpaceParent
};
static IDispatchEx testHostContextDisp_no_this = { &testHostContextDisp_no_this_vtbl };
static HRESULT WINAPI externalDisp_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
{
if(!lstrcmpW(bstrName, L"ok")) {
@ -795,6 +877,10 @@ static HRESULT WINAPI externalDisp_GetDispID(IDispatchEx *iface, BSTR bstrName,
*pid = DISPID_EXTERNAL_TEST_VARS;
return S_OK;
}
if(!lstrcmpW(bstrName, L"testHostContext")) {
*pid = DISPID_EXTERNAL_TESTHOSTCTX;
return S_OK;
}
if(!lstrcmpW(bstrName, L"getExpectedMimeType")) {
*pid = DISPID_EXTERNAL_GETMIMETYPE;
return S_OK;
@ -1032,6 +1118,20 @@ static HRESULT WINAPI externalDisp_InvokeEx(IDispatchEx *iface, DISPID id, LCID
test_script_vars(pdp->cArgs, pdp->rgvarg);
return S_OK;
case DISPID_EXTERNAL_TESTHOSTCTX:
ok(pdp != NULL, "pdp == NULL\n");
ok(!pdp->rgdispidNamedArgs, "rgdispidNamedArgs != NULL\n");
ok(!pdp->cNamedArgs, "cNamedArgs = %d\n", pdp->cNamedArgs);
ok(pvarRes != NULL, "pvarRes == NULL\n");
ok(V_VT(pvarRes) == VT_EMPTY, "V_VT(pvarRes) = %d\n", V_VT(pvarRes));
ok(pei != NULL, "pei == NULL\n");
ok(pdp->rgvarg != NULL, "rgvarg == NULL\n");
ok(pdp->cArgs == 1, "cArgs = %d\n", pdp->cArgs);
ok(V_VT(pdp->rgvarg) == VT_BOOL, "V_VT(rgvarg) = %d\n", V_VT(pdp->rgvarg));
V_VT(pvarRes) = VT_DISPATCH;
V_DISPATCH(pvarRes) = (IDispatch*)(V_BOOL(pdp->rgvarg) ? &testHostContextDisp : &testHostContextDisp_no_this);
return S_OK;
case DISPID_EXTERNAL_GETMIMETYPE:
ok(pdp != NULL, "pdp == NULL\n");
ok(pdp->rgvarg != NULL, "rgvarg == NULL\n");