vbdisp.c

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/*
 * Copyright 2011 Jacek Caban for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include <assert.h>
 
#include "vbscript.h"
 
#include "wine/debug.h"
 
WINE_DEFAULT_DEBUG_CHANNEL(vbscript);
 
static const GUID GUID_VBScriptTypeInfo = {0xc59c6b12,0xf6c1,0x11cf,{0x88,0x35,0x00,0xa0,0xc9,0x11,0xe8,0xb2}};
 
#define DISPID_FUNCTION_MASK 0x20000000
#define FDEX_VERSION_MASK 0xf0000000
 
static inline BOOL is_func_id(vbdisp_t *This, DISPID id)
{
    return id < This->desc->func_cnt;
}
 
static BOOL get_func_id(vbdisp_t *This, const WCHAR *name, vbdisp_invoke_type_t invoke_type, BOOL search_private, DISPID *id)
{
    unsigned i;
 
    for(i = 0; i < This->desc->func_cnt; i++) {
        if(invoke_type == VBDISP_ANY) {
            if(!search_private && !This->desc->funcs[i].is_public)
                continue;
        }else {
            if(!This->desc->funcs[i].entries[invoke_type]
                || (!search_private && !This->desc->funcs[i].entries[invoke_type]->is_public))
                continue;
        }
 
        if(This->desc->funcs[i].name && !wcsicmp(This->desc->funcs[i].name, name)) {
            *id = i;
            return TRUE;
        }
    }
 
    return FALSE;
}
 
HRESULT vbdisp_get_id(vbdisp_t *This, BSTR name, vbdisp_invoke_type_t invoke_type, BOOL search_private, DISPID *id)
{
    unsigned i;
 
    if(get_func_id(This, name, invoke_type, search_private, id))
        return S_OK;
 
    for(i=0; i < This->desc->prop_cnt; i++) {
        if(!search_private && !This->desc->props[i].is_public)
            continue;
 
        if(!wcsicmp(This->desc->props[i].name, name)) {
            *id = i + This->desc->func_cnt;
            return S_OK;
        }
    }
 
    *id = -1;
    return DISP_E_UNKNOWNNAME;
}
 
static HRESULT get_propput_arg(script_ctx_t *ctx, const DISPPARAMS *dp, WORD flags, VARIANT *v, BOOL *is_owned)
{
    unsigned i;
 
    for(i=0; i < dp->cNamedArgs; i++) {
        if(dp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
            break;
    }
    if(i == dp->cNamedArgs) {
        WARN("no value to set\n");
        return DISP_E_PARAMNOTOPTIONAL;
    }
 
    *v = dp->rgvarg[i];
    if(V_VT(v) == (VT_VARIANT|VT_BYREF))
        *v = *V_VARIANTREF(v);
    *is_owned = FALSE;
 
    if(V_VT(v) == VT_DISPATCH) {
        if(!(flags & DISPATCH_PROPERTYPUTREF)) {
            HRESULT hres;
 
            hres = get_disp_value(ctx, V_DISPATCH(v), v);
            if(FAILED(hres))
                return hres;
 
            *is_owned = TRUE;
        }
    }else if(!(flags & DISPATCH_PROPERTYPUT)) {
        WARN("%s can't be assigned without DISPATCH_PROPERTYPUT flag\n", debugstr_variant(v));
        return DISP_E_EXCEPTION;
    }
 
    return S_OK;
}
 
static HRESULT invoke_variant_prop(script_ctx_t *ctx, VARIANT *v, WORD flags, DISPPARAMS *dp, VARIANT *res)
{
    HRESULT hres;
 
    switch(flags) {
    case DISPATCH_PROPERTYGET|DISPATCH_METHOD:
    case DISPATCH_PROPERTYGET:
        if(dp->cArgs) {
            if (!V_ISARRAY(v))
            {
                WARN("called with arguments for non-array property\n");
                return DISP_E_MEMBERNOTFOUND; /* That's what tests show */
            }
 
            if (FAILED(hres = array_access(V_ARRAY(v), dp, &v)))
            {
                WARN("failed to access array element\n");
                return hres;
            }
        }
 
        hres = VariantCopyInd(res, v);
        break;
 
    case DISPATCH_PROPERTYPUT:
    case DISPATCH_PROPERTYPUTREF:
    case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF: {
        VARIANT put_val;
        BOOL own_val;
 
        hres = get_propput_arg(ctx, dp, flags, &put_val, &own_val);
        if(FAILED(hres))
            return hres;
 
        if(arg_cnt(dp)) {
            FIXME("Arguments not supported\n");
            return E_NOTIMPL;
        }
 
        if(res)
            V_VT(res) = VT_EMPTY;
 
        if(own_val)
            *v = put_val;
        else
            hres = VariantCopyInd(v, &put_val);
        break;
    }
 
    default:
        FIXME("unimplemented flags %x\n", flags);
        return E_NOTIMPL;
    }
 
    return hres;
}
 
static HRESULT invoke_vbdisp(vbdisp_t *This, DISPID id, DWORD flags, BOOL extern_caller, DISPPARAMS *params, VARIANT *res)
{
    if(id < 0)
        return DISP_E_MEMBERNOTFOUND;
 
    if(is_func_id(This, id)) {
        function_t *func;
 
        TRACE("%p->%s\n", This, debugstr_w(This->desc->funcs[id].name));
 
        switch(flags) {
        case DISPATCH_PROPERTYGET:
            func = This->desc->funcs[id].entries[VBDISP_CALLGET];
            if(!func || func->type != FUNC_PROPGET) {
                WARN("no getter\n");
                return DISP_E_MEMBERNOTFOUND;
            }
 
            return exec_script(This->desc->ctx, extern_caller, func, This, params, res);
 
        case DISPATCH_METHOD:
        case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
            func = This->desc->funcs[id].entries[VBDISP_CALLGET];
            if(!func) {
                FIXME("no invoke/getter\n");
                return DISP_E_MEMBERNOTFOUND;
            }
 
            return exec_script(This->desc->ctx, extern_caller, func, This, params, res);
 
        case DISPATCH_PROPERTYPUT:
        case DISPATCH_PROPERTYPUTREF:
        case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF: {
            DISPPARAMS dp = {NULL, NULL, 1, 0};
            BOOL needs_release;
            VARIANT buf[6];
            HRESULT hres;
            INT i;
 
            dp.cArgs = arg_cnt(params) + 1;
            if(dp.cArgs > ARRAY_SIZE(buf)) {
                dp.rgvarg = malloc(dp.cArgs*sizeof(VARIANT));
                if(!dp.rgvarg)
                    return E_OUTOFMEMORY;
            }else {
                dp.rgvarg = buf;
            }
 
            hres = get_propput_arg(This->desc->ctx, params, flags, dp.rgvarg, &needs_release);
            if(FAILED(hres)) {
                if(dp.rgvarg != buf)
                    free(dp.rgvarg);
                return hres;
            }
 
            func = This->desc->funcs[id].entries[V_VT(dp.rgvarg) == VT_DISPATCH ? VBDISP_SET : VBDISP_LET];
            if(!func) {
                FIXME("no letter/setter\n");
                if(dp.rgvarg != buf)
                    free(dp.rgvarg);
                return DISP_E_MEMBERNOTFOUND;
            }
 
            for(i=1; i < dp.cArgs; i++) {
                dp.rgvarg[i]=params->rgvarg[params->cNamedArgs+i-1];
            }
 
            hres = exec_script(This->desc->ctx, extern_caller, func, This, &dp, NULL);
            if(needs_release)
                VariantClear(dp.rgvarg);
            if(dp.rgvarg != buf)
                free(dp.rgvarg);
            return hres;
        }
        default:
            FIXME("flags %lx\n", flags);
            return DISP_E_MEMBERNOTFOUND;
        }
    }
 
    if(id >= This->desc->prop_cnt + This->desc->func_cnt)
        return DISP_E_MEMBERNOTFOUND;
 
    TRACE("%p->%s\n", This, debugstr_w(This->desc->props[id - This->desc->func_cnt].name));
    return invoke_variant_prop(This->desc->ctx, This->props+(id-This->desc->func_cnt), flags, params, res);
}
 
static BOOL run_terminator(vbdisp_t *This)
{
    DISPPARAMS dp = {0};
 
    if(This->terminator_ran)
        return TRUE;
    This->terminator_ran = TRUE;
 
    if(!This->desc->class_terminate_id)
        return TRUE;
 
    This->ref++;
    exec_script(This->desc->ctx, FALSE, This->desc->funcs[This->desc->class_terminate_id].entries[VBDISP_CALLGET],
            This, &dp, NULL);
    return !--This->ref;
}
 
static void clean_props(vbdisp_t *This)
{
    unsigned i;
 
    if(!This->desc)
        return;
 
    for(i=0; i < This->desc->array_cnt; i++) {
        if(This->arrays[i]) {
            SafeArrayDestroy(This->arrays[i]);
            This->arrays[i] = NULL;
        }
    }
 
    for(i=0; i < This->desc->prop_cnt; i++)
        VariantClear(This->props+i);
}
 
static inline vbdisp_t *impl_from_IDispatchEx(IDispatchEx *iface)
{
    return CONTAINING_RECORD(iface, vbdisp_t, IDispatchEx_iface);
}
 
static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
 
    if(IsEqualGUID(&IID_IUnknown, riid)) {
        TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
        *ppv = &This->IDispatchEx_iface;
    }else if(IsEqualGUID(&IID_IDispatch, riid)) {
        TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
        *ppv = &This->IDispatchEx_iface;
    }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
        TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
        *ppv = &This->IDispatchEx_iface;
    }else {
        WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
        *ppv = NULL;
        return E_NOINTERFACE;
    }
 
    IUnknown_AddRef((IUnknown*)*ppv);
    return S_OK;
}
 
static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    LONG ref = InterlockedIncrement(&This->ref);
 
    TRACE("(%p) ref=%ld\n", This, ref);
 
    return ref;
}
 
static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    LONG ref = InterlockedDecrement(&This->ref);
 
    TRACE("(%p) ref=%ld\n", This, ref);
 
    if(!ref && run_terminator(This)) {
        clean_props(This);
        list_remove(&This->entry);
        free(This->arrays);
        free(This);
    }
 
    return ref;
}
 
static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
 
    TRACE("(%p)->(%p)\n", This, pctinfo);
 
    *pctinfo = 1;
    return S_OK;
}
 
static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
                                              ITypeInfo **ppTInfo)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    FIXME("(%p)->(%u %lu %p)\n", This, iTInfo, lcid, ppTInfo);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
                                                LPOLESTR *rgszNames, UINT cNames, LCID lcid,
                                                DISPID *rgDispId)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    FIXME("(%p)->(%s %p %u %lu %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
          lcid, rgDispId);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
                                        REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
                                        VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
 
    TRACE("(%p)->(%ld %s %ld %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
          lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 
    return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, NULL);
}
 
static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
 
    TRACE("(%p)->(%s %lx %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 
    grfdex &= ~FDEX_VERSION_MASK;
 
    if(!This->desc)
        return E_UNEXPECTED;
 
    /* Tests show that fdexNameCaseSensitive is ignored */
 
    if(grfdex & ~(fdexNameEnsure|fdexNameCaseInsensitive|fdexNameCaseSensitive)) {
        FIXME("unsupported flags %lx\n", grfdex);
        return E_NOTIMPL;
    }
 
    return vbdisp_get_id(This, bstrName, VBDISP_ANY, FALSE, pid);
}
 
static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
        VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    IServiceProvider *prev_caller;
    HRESULT hres;
 
    TRACE("(%p)->(%lx %lx %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 
    if(!This->desc)
        return E_UNEXPECTED;
 
    if(pvarRes)
        V_VT(pvarRes) = VT_EMPTY;
 
    prev_caller = This->desc->ctx->vbcaller->caller;
    This->desc->ctx->vbcaller->caller = pspCaller;
    if(pspCaller)
        IServiceProvider_AddRef(pspCaller);
 
    hres = invoke_vbdisp(This, id, wFlags, TRUE, pdp, pvarRes);
 
    This->desc->ctx->vbcaller->caller = prev_caller;
    if(pspCaller)
        IServiceProvider_Release(pspCaller);
    return hres;
}
 
static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    FIXME("(%p)->(%s %lx)\n", This, debugstr_w(bstrName), grfdex);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    FIXME("(%p)->(%lx)\n", This, id);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    FIXME("(%p)->(%lx %lx %p)\n", This, id, grfdexFetch, pgrfdex);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    FIXME("(%p)->(%lx %p)\n", This, id, pbstrName);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    FIXME("(%p)->(%lx %lx %p)\n", This, grfdex, id, pid);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
{
    vbdisp_t *This = impl_from_IDispatchEx(iface);
    FIXME("(%p)->(%p)\n", This, ppunk);
    return E_NOTIMPL;
}
 
static IDispatchExVtbl DispatchExVtbl = {
    DispatchEx_QueryInterface,
    DispatchEx_AddRef,
    DispatchEx_Release,
    DispatchEx_GetTypeInfoCount,
    DispatchEx_GetTypeInfo,
    DispatchEx_GetIDsOfNames,
    DispatchEx_Invoke,
    DispatchEx_GetDispID,
    DispatchEx_InvokeEx,
    DispatchEx_DeleteMemberByName,
    DispatchEx_DeleteMemberByDispID,
    DispatchEx_GetMemberProperties,
    DispatchEx_GetMemberName,
    DispatchEx_GetNextDispID,
    DispatchEx_GetNameSpaceParent
};
 
static inline vbdisp_t *unsafe_impl_from_IDispatch(IDispatch *iface)
{
    return iface->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl
        ? CONTAINING_RECORD(iface, vbdisp_t, IDispatchEx_iface)
        : NULL;
}
 
HRESULT create_vbdisp(const class_desc_t *desc, vbdisp_t **ret)
{
    vbdisp_t *vbdisp;
    HRESULT hres = S_OK;
 
    vbdisp = calloc( 1, FIELD_OFFSET( vbdisp_t, props[desc->prop_cnt] ));
    if(!vbdisp)
        return E_OUTOFMEMORY;
 
    vbdisp->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
    vbdisp->ref = 1;
    vbdisp->desc = desc;
 
    list_add_tail(&desc->ctx->objects, &vbdisp->entry);
 
    if(desc->array_cnt) {
        vbdisp->arrays = calloc(desc->array_cnt, sizeof(*vbdisp->arrays));
        if(vbdisp->arrays) {
            unsigned i, j;
 
            for(i=0; i < desc->array_cnt; i++) {
                if(!desc->array_descs[i].dim_cnt)
                    continue;
 
                vbdisp->arrays[i] = SafeArrayCreate(VT_VARIANT, desc->array_descs[i].dim_cnt, desc->array_descs[i].bounds);
                if(!vbdisp->arrays[i]) {
                    hres = E_OUTOFMEMORY;
                    break;
                }
            }
 
            if(SUCCEEDED(hres)) {
                for(i=0, j=0; i < desc->prop_cnt; i++) {
                    if(desc->props[i].is_array) {
                        V_VT(vbdisp->props+i) = VT_ARRAY|VT_BYREF|VT_VARIANT;
                        V_ARRAYREF(vbdisp->props+i) = vbdisp->arrays + j++;
                    }
                }
            }
        }else {
            hres = E_OUTOFMEMORY;
        }
    }
 
    if(SUCCEEDED(hres) && desc->class_initialize_id) {
        DISPPARAMS dp = {0};
        hres = exec_script(desc->ctx, FALSE, desc->funcs[desc->class_initialize_id].entries[VBDISP_CALLGET],
                           vbdisp, &dp, NULL);
    }
 
    if(FAILED(hres)) {
        IDispatchEx_Release(&vbdisp->IDispatchEx_iface);
        return hres;
    }
 
    *ret = vbdisp;
    return S_OK;
}
 
struct typeinfo_func {
    function_t *func;
    MEMBERID memid;
};
 
typedef struct {
    ITypeInfo ITypeInfo_iface;
    ITypeComp ITypeComp_iface;
    LONG ref;
 
    UINT num_vars;
    UINT num_funcs;
    struct typeinfo_func *funcs;
 
    ScriptDisp *disp;
} ScriptTypeInfo;
 
static function_t *get_func_from_memid(const ScriptTypeInfo *typeinfo, MEMBERID memid)
{
    UINT a = 0, b = typeinfo->num_funcs;
 
    if (!(memid & DISPID_FUNCTION_MASK)) return NULL;
 
    while (a < b)
    {
        UINT i = (a + b - 1) / 2;
 
        if (memid == typeinfo->funcs[i].memid)
            return typeinfo->funcs[i].func;
        else if (memid < typeinfo->funcs[i].memid)
            b = i;
        else
            a = i + 1;
    }
    return NULL;
}
 
static inline ScriptTypeInfo *ScriptTypeInfo_from_ITypeInfo(ITypeInfo *iface)
{
    return CONTAINING_RECORD(iface, ScriptTypeInfo, ITypeInfo_iface);
}
 
static inline ScriptTypeInfo *ScriptTypeInfo_from_ITypeComp(ITypeComp *iface)
{
    return CONTAINING_RECORD(iface, ScriptTypeInfo, ITypeComp_iface);
}
 
static HRESULT WINAPI ScriptTypeInfo_QueryInterface(ITypeInfo *iface, REFIID riid, void **ppv)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 
    if (IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_ITypeInfo, riid))
        *ppv = &This->ITypeInfo_iface;
    else if (IsEqualGUID(&IID_ITypeComp, riid))
        *ppv = &This->ITypeComp_iface;
    else
    {
        WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
        *ppv = NULL;
        return E_NOINTERFACE;
    }
 
    TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
    IUnknown_AddRef((IUnknown*)*ppv);
    return S_OK;
}
 
static ULONG WINAPI ScriptTypeInfo_AddRef(ITypeInfo *iface)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    LONG ref = InterlockedIncrement(&This->ref);
 
    TRACE("(%p) ref=%ld\n", This, ref);
 
    return ref;
}
 
static ULONG WINAPI ScriptTypeInfo_Release(ITypeInfo *iface)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    LONG ref = InterlockedDecrement(&This->ref);
    UINT i;
 
    TRACE("(%p) ref=%ld\n", This, ref);
 
    if (!ref)
    {
        for (i = 0; i < This->num_funcs; i++)
            release_vbscode(This->funcs[i].func->code_ctx);
 
        IDispatchEx_Release(&This->disp->IDispatchEx_iface);
        free(This->funcs);
        free(This);
    }
    return ref;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetTypeAttr(ITypeInfo *iface, TYPEATTR **ppTypeAttr)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    TYPEATTR *attr;
 
    TRACE("(%p)->(%p)\n", This, ppTypeAttr);
 
    if (!ppTypeAttr) return E_INVALIDARG;
 
    attr = calloc(1, sizeof(*attr));
    if (!attr) return E_OUTOFMEMORY;
 
    attr->guid = GUID_VBScriptTypeInfo;
    attr->lcid = LOCALE_USER_DEFAULT;
    attr->memidConstructor = MEMBERID_NIL;
    attr->memidDestructor = MEMBERID_NIL;
    attr->cbSizeInstance = 4;
    attr->typekind = TKIND_DISPATCH;
    attr->cFuncs = This->num_funcs;
    attr->cVars = This->num_vars;
    attr->cImplTypes = 1;
    attr->cbSizeVft = sizeof(IDispatchVtbl);
    attr->cbAlignment = 4;
    attr->wTypeFlags = TYPEFLAG_FDISPATCHABLE;
    attr->wMajorVerNum = VBSCRIPT_MAJOR_VERSION;
    attr->wMinorVerNum = VBSCRIPT_MINOR_VERSION;
 
    *ppTypeAttr = attr;
    return S_OK;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetTypeComp(ITypeInfo *iface, ITypeComp **ppTComp)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 
    TRACE("(%p)->(%p)\n", This, ppTComp);
 
    if (!ppTComp) return E_INVALIDARG;
 
    *ppTComp = &This->ITypeComp_iface;
    ITypeInfo_AddRef(iface);
    return S_OK;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetFuncDesc(ITypeInfo *iface, UINT index, FUNCDESC **ppFuncDesc)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    function_t *func;
    FUNCDESC *desc;
    UINT i;
 
    TRACE("(%p)->(%u %p)\n", This, index, ppFuncDesc);
 
    if (!ppFuncDesc) return E_INVALIDARG;
    if (index >= This->num_funcs) return TYPE_E_ELEMENTNOTFOUND;
    func = This->funcs[index].func;
 
    /* Store the parameter array after the FUNCDESC structure */
    desc = calloc(1, sizeof(*desc) + sizeof(ELEMDESC) * func->arg_cnt);
    if (!desc) return E_OUTOFMEMORY;
 
    desc->memid = This->funcs[index].memid;
    desc->funckind = FUNC_DISPATCH;
    desc->invkind = INVOKE_FUNC;
    desc->callconv = CC_STDCALL;
    desc->cParams = func->arg_cnt;
    desc->elemdescFunc.tdesc.vt = (func->type == FUNC_SUB) ? VT_VOID : VT_VARIANT;
 
    if (func->arg_cnt) desc->lprgelemdescParam = (ELEMDESC*)(desc + 1);
    for (i = 0; i < func->arg_cnt; i++)
        desc->lprgelemdescParam[i].tdesc.vt = VT_VARIANT;
 
    *ppFuncDesc = desc;
    return S_OK;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetVarDesc(ITypeInfo *iface, UINT index, VARDESC **ppVarDesc)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    VARDESC *desc;
 
    TRACE("(%p)->(%u %p)\n", This, index, ppVarDesc);
 
    if (!ppVarDesc) return E_INVALIDARG;
    if (index >= This->num_vars) return TYPE_E_ELEMENTNOTFOUND;
 
    desc = calloc(1, sizeof(*desc));
    if (!desc) return E_OUTOFMEMORY;
 
    desc->memid = index + 1;
    desc->varkind = VAR_DISPATCH;
    desc->elemdescVar.tdesc.vt = VT_VARIANT;
 
    *ppVarDesc = desc;
    return S_OK;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetNames(ITypeInfo *iface, MEMBERID memid, BSTR *rgBstrNames,
        UINT cMaxNames, UINT *pcNames)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    ITypeInfo *disp_typeinfo;
    function_t *func;
    HRESULT hr;
    UINT i = 0;
 
    TRACE("(%p)->(%ld %p %u %p)\n", This, memid, rgBstrNames, cMaxNames, pcNames);
 
    if (!rgBstrNames || !pcNames) return E_INVALIDARG;
    if (memid <= 0) return TYPE_E_ELEMENTNOTFOUND;
 
    func = get_func_from_memid(This, memid);
    if (!func && memid > This->num_vars)
    {
        hr = get_dispatch_typeinfo(&disp_typeinfo);
        if (FAILED(hr)) return hr;
 
        return ITypeInfo_GetNames(disp_typeinfo, memid, rgBstrNames, cMaxNames, pcNames);
    }
 
    *pcNames = 0;
    if (!cMaxNames) return S_OK;
 
    if (func)
    {
        UINT num = min(cMaxNames, func->arg_cnt + 1);
 
        rgBstrNames[0] = SysAllocString(func->name);
        if (!rgBstrNames[0]) return E_OUTOFMEMORY;
 
        for (i = 1; i < num; i++)
        {
            if (!(rgBstrNames[i] = SysAllocString(func->args[i - 1].name)))
            {
                do SysFreeString(rgBstrNames[--i]); while (i);
                return E_OUTOFMEMORY;
            }
        }
    }
    else
    {
        rgBstrNames[0] = SysAllocString(This->disp->global_vars[memid - 1]->name);
        if (!rgBstrNames[0]) return E_OUTOFMEMORY;
        i++;
    }
 
    *pcNames = i;
    return S_OK;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetRefTypeOfImplType(ITypeInfo *iface, UINT index, HREFTYPE *pRefType)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 
    TRACE("(%p)->(%u %p)\n", This, index, pRefType);
 
    /* We only inherit from IDispatch */
    if (!pRefType) return E_INVALIDARG;
    if (index != 0) return TYPE_E_ELEMENTNOTFOUND;
 
    *pRefType = 1;
    return S_OK;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetImplTypeFlags(ITypeInfo *iface, UINT index, INT *pImplTypeFlags)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 
    TRACE("(%p)->(%u %p)\n", This, index, pImplTypeFlags);
 
    if (!pImplTypeFlags) return E_INVALIDARG;
    if (index != 0) return TYPE_E_ELEMENTNOTFOUND;
 
    *pImplTypeFlags = 0;
    return S_OK;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetIDsOfNames(ITypeInfo *iface, LPOLESTR *rgszNames, UINT cNames,
        MEMBERID *pMemId)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    ITypeInfo *disp_typeinfo;
    const WCHAR *name;
    HRESULT hr = S_OK;
    int i, j, arg;
 
    TRACE("(%p)->(%p %u %p)\n", This, rgszNames, cNames, pMemId);
 
    if (!rgszNames || !cNames || !pMemId) return E_INVALIDARG;
 
    for (i = 0; i < cNames; i++) pMemId[i] = MEMBERID_NIL;
    name = rgszNames[0];
 
    for (i = 0; i < This->num_funcs; i++)
    {
        function_t *func = This->funcs[i].func;
 
        if (wcsicmp(name, func->name)) continue;
        pMemId[0] = This->funcs[i].memid;
 
        for (j = 1; j < cNames; j++)
        {
            name = rgszNames[j];
            for (arg = func->arg_cnt; --arg >= 0;)
                if (!wcsicmp(name, func->args[arg].name))
                    break;
            if (arg >= 0)
                pMemId[j] = arg;
            else
                hr = DISP_E_UNKNOWNNAME;
        }
        return hr;
    }
 
    for (i = 0; i < This->num_vars; i++)
    {
        if (wcsicmp(name, This->disp->global_vars[i]->name)) continue;
        pMemId[0] = i + 1;
        return S_OK;
    }
 
    /* Look into the inherited IDispatch */
    hr = get_dispatch_typeinfo(&disp_typeinfo);
    if (FAILED(hr)) return hr;
 
    return ITypeInfo_GetIDsOfNames(disp_typeinfo, rgszNames, cNames, pMemId);
}
 
static HRESULT WINAPI ScriptTypeInfo_Invoke(ITypeInfo *iface, PVOID pvInstance, MEMBERID memid, WORD wFlags,
        DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    ITypeInfo *disp_typeinfo;
    IDispatch *disp;
    HRESULT hr;
 
    TRACE("(%p)->(%p %ld %d %p %p %p %p)\n", This, pvInstance, memid, wFlags,
          pDispParams, pVarResult, pExcepInfo, puArgErr);
 
    if (!pvInstance) return E_INVALIDARG;
    if (memid <= 0) return TYPE_E_ELEMENTNOTFOUND;
 
    if (!get_func_from_memid(This, memid) && memid > This->num_vars)
    {
        hr = get_dispatch_typeinfo(&disp_typeinfo);
        if (FAILED(hr)) return hr;
 
        return ITypeInfo_Invoke(disp_typeinfo, pvInstance, memid, wFlags, pDispParams,
                                pVarResult, pExcepInfo, puArgErr);
    }
 
    hr = IUnknown_QueryInterface((IUnknown*)pvInstance, &IID_IDispatch, (void**)&disp);
    if (FAILED(hr)) return hr;
 
    hr = IDispatch_Invoke(disp, memid, &IID_NULL, LOCALE_USER_DEFAULT, wFlags,
                          pDispParams, pVarResult, pExcepInfo, puArgErr);
    IDispatch_Release(disp);
 
    return hr;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetDocumentation(ITypeInfo *iface, MEMBERID memid, BSTR *pBstrName,
        BSTR *pBstrDocString, DWORD *pdwHelpContext, BSTR *pBstrHelpFile)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    ITypeInfo *disp_typeinfo;
    function_t *func;
    HRESULT hr;
 
    TRACE("(%p)->(%ld %p %p %p %p)\n", This, memid, pBstrName, pBstrDocString, pdwHelpContext, pBstrHelpFile);
 
    if (pBstrDocString) *pBstrDocString = NULL;
    if (pdwHelpContext) *pdwHelpContext = 0;
    if (pBstrHelpFile) *pBstrHelpFile = NULL;
 
    if (memid == MEMBERID_NIL)
    {
        if (pBstrName && !(*pBstrName = SysAllocString(L"VBScriptTypeInfo")))
            return E_OUTOFMEMORY;
        if (pBstrDocString &&
            !(*pBstrDocString = SysAllocString(L"Visual Basic Scripting Type Info")))
        {
            if (pBstrName) SysFreeString(*pBstrName);
            return E_OUTOFMEMORY;
        }
        return S_OK;
    }
    if (memid <= 0) return TYPE_E_ELEMENTNOTFOUND;
 
    func = get_func_from_memid(This, memid);
    if (!func && memid > This->num_vars)
    {
        hr = get_dispatch_typeinfo(&disp_typeinfo);
        if (FAILED(hr)) return hr;
 
        return ITypeInfo_GetDocumentation(disp_typeinfo, memid, pBstrName, pBstrDocString,
                                          pdwHelpContext, pBstrHelpFile);
    }
 
    if (pBstrName)
    {
        *pBstrName = SysAllocString(func ? func->name : This->disp->global_vars[memid - 1]->name);
        if (!*pBstrName) return E_OUTOFMEMORY;
    }
    return S_OK;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetDllEntry(ITypeInfo *iface, MEMBERID memid, INVOKEKIND invKind,
        BSTR *pBstrDllName, BSTR *pBstrName, WORD *pwOrdinal)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    ITypeInfo *disp_typeinfo;
    HRESULT hr;
 
    TRACE("(%p)->(%ld %d %p %p %p)\n", This, memid, invKind, pBstrDllName, pBstrName, pwOrdinal);
 
    if (pBstrDllName) *pBstrDllName = NULL;
    if (pBstrName) *pBstrName = NULL;
    if (pwOrdinal) *pwOrdinal = 0;
 
    if (!get_func_from_memid(This, memid) && memid > This->num_vars)
    {
        hr = get_dispatch_typeinfo(&disp_typeinfo);
        if (FAILED(hr)) return hr;
 
        return ITypeInfo_GetDllEntry(disp_typeinfo, memid, invKind, pBstrDllName, pBstrName, pwOrdinal);
    }
    return TYPE_E_BADMODULEKIND;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetRefTypeInfo(ITypeInfo *iface, HREFTYPE hRefType, ITypeInfo **ppTInfo)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    HRESULT hr;
 
    TRACE("(%p)->(%lx %p)\n", This, hRefType, ppTInfo);
 
    if (!ppTInfo || (INT)hRefType < 0) return E_INVALIDARG;
 
    if (hRefType & ~3) return E_FAIL;
    if (hRefType & 1)
    {
        hr = get_dispatch_typeinfo(ppTInfo);
        if (FAILED(hr)) return hr;
    }
    else
        *ppTInfo = iface;
 
    ITypeInfo_AddRef(*ppTInfo);
    return S_OK;
}
 
static HRESULT WINAPI ScriptTypeInfo_AddressOfMember(ITypeInfo *iface, MEMBERID memid, INVOKEKIND invKind, PVOID *ppv)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    ITypeInfo *disp_typeinfo;
    HRESULT hr;
 
    TRACE("(%p)->(%ld %d %p)\n", This, memid, invKind, ppv);
 
    if (!ppv) return E_INVALIDARG;
    *ppv = NULL;
 
    if (!get_func_from_memid(This, memid) && memid > This->num_vars)
    {
        hr = get_dispatch_typeinfo(&disp_typeinfo);
        if (FAILED(hr)) return hr;
 
        return ITypeInfo_AddressOfMember(disp_typeinfo, memid, invKind, ppv);
    }
    return TYPE_E_BADMODULEKIND;
}
 
static HRESULT WINAPI ScriptTypeInfo_CreateInstance(ITypeInfo *iface, IUnknown *pUnkOuter, REFIID riid, PVOID *ppvObj)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 
    TRACE("(%p)->(%p %s %p)\n", This, pUnkOuter, debugstr_guid(riid), ppvObj);
 
    if (!ppvObj) return E_INVALIDARG;
 
    *ppvObj = NULL;
    return TYPE_E_BADMODULEKIND;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetMops(ITypeInfo *iface, MEMBERID memid, BSTR *pBstrMops)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
    ITypeInfo *disp_typeinfo;
    HRESULT hr;
 
    TRACE("(%p)->(%ld %p)\n", This, memid, pBstrMops);
 
    if (!pBstrMops) return E_INVALIDARG;
 
    if (!get_func_from_memid(This, memid) && memid > This->num_vars)
    {
        hr = get_dispatch_typeinfo(&disp_typeinfo);
        if (FAILED(hr)) return hr;
 
        return ITypeInfo_GetMops(disp_typeinfo, memid, pBstrMops);
    }
 
    *pBstrMops = NULL;
    return S_OK;
}
 
static HRESULT WINAPI ScriptTypeInfo_GetContainingTypeLib(ITypeInfo *iface, ITypeLib **ppTLib, UINT *pIndex)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 
    FIXME("(%p)->(%p %p)\n", This, ppTLib, pIndex);
 
    return E_NOTIMPL;
}
 
static void WINAPI ScriptTypeInfo_ReleaseTypeAttr(ITypeInfo *iface, TYPEATTR *pTypeAttr)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 
    TRACE("(%p)->(%p)\n", This, pTypeAttr);
 
    free(pTypeAttr);
}
 
static void WINAPI ScriptTypeInfo_ReleaseFuncDesc(ITypeInfo *iface, FUNCDESC *pFuncDesc)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 
    TRACE("(%p)->(%p)\n", This, pFuncDesc);
 
    free(pFuncDesc);
}
 
static void WINAPI ScriptTypeInfo_ReleaseVarDesc(ITypeInfo *iface, VARDESC *pVarDesc)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 
    TRACE("(%p)->(%p)\n", This, pVarDesc);
 
    free(pVarDesc);
}
 
static const ITypeInfoVtbl ScriptTypeInfoVtbl = {
    ScriptTypeInfo_QueryInterface,
    ScriptTypeInfo_AddRef,
    ScriptTypeInfo_Release,
    ScriptTypeInfo_GetTypeAttr,
    ScriptTypeInfo_GetTypeComp,
    ScriptTypeInfo_GetFuncDesc,
    ScriptTypeInfo_GetVarDesc,
    ScriptTypeInfo_GetNames,
    ScriptTypeInfo_GetRefTypeOfImplType,
    ScriptTypeInfo_GetImplTypeFlags,
    ScriptTypeInfo_GetIDsOfNames,
    ScriptTypeInfo_Invoke,
    ScriptTypeInfo_GetDocumentation,
    ScriptTypeInfo_GetDllEntry,
    ScriptTypeInfo_GetRefTypeInfo,
    ScriptTypeInfo_AddressOfMember,
    ScriptTypeInfo_CreateInstance,
    ScriptTypeInfo_GetMops,
    ScriptTypeInfo_GetContainingTypeLib,
    ScriptTypeInfo_ReleaseTypeAttr,
    ScriptTypeInfo_ReleaseFuncDesc,
    ScriptTypeInfo_ReleaseVarDesc
};
 
static HRESULT WINAPI ScriptTypeComp_QueryInterface(ITypeComp *iface, REFIID riid, void **ppv)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeComp(iface);
    return ITypeInfo_QueryInterface(&This->ITypeInfo_iface, riid, ppv);
}
 
static ULONG WINAPI ScriptTypeComp_AddRef(ITypeComp *iface)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeComp(iface);
    return ITypeInfo_AddRef(&This->ITypeInfo_iface);
}
 
static ULONG WINAPI ScriptTypeComp_Release(ITypeComp *iface)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeComp(iface);
    return ITypeInfo_Release(&This->ITypeInfo_iface);
}
 
static HRESULT WINAPI ScriptTypeComp_Bind(ITypeComp *iface, LPOLESTR szName, ULONG lHashVal, WORD wFlags,
        ITypeInfo **ppTInfo, DESCKIND *pDescKind, BINDPTR *pBindPtr)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeComp(iface);
    UINT flags = wFlags ? wFlags : ~0;
    ITypeInfo *disp_typeinfo;
    ITypeComp *disp_typecomp;
    HRESULT hr;
    UINT i;
 
    TRACE("(%p)->(%s %08lx %d %p %p %p)\n", This, debugstr_w(szName), lHashVal,
          wFlags, ppTInfo, pDescKind, pBindPtr);
 
    if (!szName || !ppTInfo || !pDescKind || !pBindPtr)
        return E_INVALIDARG;
 
    for (i = 0; i < This->num_funcs; i++)
    {
        if (wcsicmp(szName, This->funcs[i].func->name)) continue;
        if (!(flags & INVOKE_FUNC)) return TYPE_E_TYPEMISMATCH;
 
        hr = ITypeInfo_GetFuncDesc(&This->ITypeInfo_iface, i, &pBindPtr->lpfuncdesc);
        if (FAILED(hr)) return hr;
 
        *pDescKind = DESCKIND_FUNCDESC;
        *ppTInfo = &This->ITypeInfo_iface;
        ITypeInfo_AddRef(*ppTInfo);
        return S_OK;
    }
 
    for (i = 0; i < This->num_vars; i++)
    {
        if (wcsicmp(szName, This->disp->global_vars[i]->name)) continue;
        if (!(flags & INVOKE_PROPERTYGET)) return TYPE_E_TYPEMISMATCH;
 
        hr = ITypeInfo_GetVarDesc(&This->ITypeInfo_iface, i, &pBindPtr->lpvardesc);
        if (FAILED(hr)) return hr;
 
        *pDescKind = DESCKIND_VARDESC;
        *ppTInfo = &This->ITypeInfo_iface;
        ITypeInfo_AddRef(*ppTInfo);
        return S_OK;
    }
 
    /* Look into the inherited IDispatch */
    hr = get_dispatch_typeinfo(&disp_typeinfo);
    if (FAILED(hr)) return hr;
 
    hr = ITypeInfo_GetTypeComp(disp_typeinfo, &disp_typecomp);
    if (FAILED(hr)) return hr;
 
    hr = ITypeComp_Bind(disp_typecomp, szName, lHashVal, wFlags, ppTInfo, pDescKind, pBindPtr);
    ITypeComp_Release(disp_typecomp);
    return hr;
}
 
static HRESULT WINAPI ScriptTypeComp_BindType(ITypeComp *iface, LPOLESTR szName, ULONG lHashVal,
        ITypeInfo **ppTInfo, ITypeComp **ppTComp)
{
    ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeComp(iface);
    ITypeInfo *disp_typeinfo;
    ITypeComp *disp_typecomp;
    HRESULT hr;
 
    TRACE("(%p)->(%s %08lx %p %p)\n", This, debugstr_w(szName), lHashVal, ppTInfo, ppTComp);
 
    if (!szName || !ppTInfo || !ppTComp)
        return E_INVALIDARG;
 
    /* Look into the inherited IDispatch */
    hr = get_dispatch_typeinfo(&disp_typeinfo);
    if (FAILED(hr)) return hr;
 
    hr = ITypeInfo_GetTypeComp(disp_typeinfo, &disp_typecomp);
    if (FAILED(hr)) return hr;
 
    hr = ITypeComp_BindType(disp_typecomp, szName, lHashVal, ppTInfo, ppTComp);
    ITypeComp_Release(disp_typecomp);
    return hr;
}
 
static const ITypeCompVtbl ScriptTypeCompVtbl = {
    ScriptTypeComp_QueryInterface,
    ScriptTypeComp_AddRef,
    ScriptTypeComp_Release,
    ScriptTypeComp_Bind,
    ScriptTypeComp_BindType
};
 
static inline ScriptDisp *ScriptDisp_from_IDispatchEx(IDispatchEx *iface)
{
    return CONTAINING_RECORD(iface, ScriptDisp, IDispatchEx_iface);
}
 
static HRESULT WINAPI ScriptDisp_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 
    if(IsEqualGUID(&IID_IUnknown, riid)) {
        TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
        *ppv = &This->IDispatchEx_iface;
    }else if(IsEqualGUID(&IID_IDispatch, riid)) {
        TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
        *ppv = &This->IDispatchEx_iface;
    }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
        TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
        *ppv = &This->IDispatchEx_iface;
    }else {
        WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
        *ppv = NULL;
        return E_NOINTERFACE;
    }
 
    IUnknown_AddRef((IUnknown*)*ppv);
    return S_OK;
}
 
static ULONG WINAPI ScriptDisp_AddRef(IDispatchEx *iface)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    LONG ref = InterlockedIncrement(&This->ref);
 
    TRACE("(%p) ref=%ld\n", This, ref);
 
    return ref;
}
 
static ULONG WINAPI ScriptDisp_Release(IDispatchEx *iface)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    LONG ref = InterlockedDecrement(&This->ref);
    unsigned i;
 
    TRACE("(%p) ref=%ld\n", This, ref);
 
    if(!ref) {
        assert(!This->ctx);
 
        for (i = 0; i < This->global_vars_cnt; i++)
            release_dynamic_var(This->global_vars[i]);
 
        heap_pool_free(&This->heap);
        free(This->global_vars);
        free(This->global_funcs);
        free(This);
    }
 
    return ref;
}
 
static HRESULT WINAPI ScriptDisp_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 
    TRACE("(%p)->(%p)\n", This, pctinfo);
 
    *pctinfo = 1;
    return S_OK;
}
 
static HRESULT WINAPI ScriptDisp_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid, ITypeInfo **ret)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    ScriptTypeInfo *type_info;
    UINT num_funcs = 0;
    unsigned i, j;
 
    TRACE("(%p)->(%u %lu %p)\n", This, iTInfo, lcid, ret);
 
    if(iTInfo)
        return DISP_E_BADINDEX;
 
    if(!(type_info = calloc(1, sizeof(*type_info))))
        return E_OUTOFMEMORY;
 
    for(i = 0; i < This->global_funcs_cnt; i++)
        if(This->global_funcs[i]->is_public)
            num_funcs++;
 
    type_info->ITypeInfo_iface.lpVtbl = &ScriptTypeInfoVtbl;
    type_info->ITypeComp_iface.lpVtbl = &ScriptTypeCompVtbl;
    type_info->ref = 1;
    type_info->num_funcs = num_funcs;
    type_info->num_vars = This->global_vars_cnt;
    type_info->disp = This;
 
    type_info->funcs = calloc(num_funcs, sizeof(*type_info->funcs));
    if(!type_info->funcs)
    {
        free(type_info);
        return E_OUTOFMEMORY;
    }
 
    for(j = 0, i = 0; i < This->global_funcs_cnt; i++)
    {
        if(!This->global_funcs[i]->is_public) continue;
 
        type_info->funcs[j].memid = i + 1 + DISPID_FUNCTION_MASK;
        type_info->funcs[j].func = This->global_funcs[i];
        grab_vbscode(This->global_funcs[i]->code_ctx);
        j++;
    }
 
    IDispatchEx_AddRef(&This->IDispatchEx_iface);
 
    *ret = &type_info->ITypeInfo_iface;
    return S_OK;
}
 
static HRESULT WINAPI ScriptDisp_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    UINT i;
    HRESULT hres;
 
    TRACE("(%p)->(%s %p %u %lu %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
          lcid, rgDispId);
 
    if(cNames == 0)
        return S_OK;
 
    hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[0], 0, rgDispId);
    if(FAILED(hres))
        return hres;
 
    /* DISPIDs for parameters don't seem to be supported */
    if(cNames > 1) {
        for(i = 1; i < cNames; i++)
            rgDispId[i] = DISPID_UNKNOWN;
        hres = DISP_E_UNKNOWNNAME;
    }
 
    return hres;
}
 
static HRESULT WINAPI ScriptDisp_Invoke(IDispatchEx *iface, DISPID dispIdMember, REFIID riid, LCID lcid,
         WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 
    TRACE("(%p)->(%ld %s %ld %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
          lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 
    return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags,
            pDispParams, pVarResult, pExcepInfo, NULL);
}
 
static HRESULT WINAPI ScriptDisp_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    unsigned i;
 
    TRACE("(%p)->(%s %lx %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 
    if(!This->ctx)
        return E_UNEXPECTED;
 
    for(i = 0; i < This->global_vars_cnt; i++) {
        if(!wcsicmp(This->global_vars[i]->name, bstrName)) {
            *pid = i + 1;
            return S_OK;
        }
    }
 
    for(i = 0; i < This->global_funcs_cnt; i++) {
        if(!wcsicmp(This->global_funcs[i]->name, bstrName)) {
            *pid = i + 1 + DISPID_FUNCTION_MASK;
            return S_OK;
        }
    }
 
    *pid = -1;
    return DISP_E_UNKNOWNNAME;
}
 
static HRESULT WINAPI ScriptDisp_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
        VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    IServiceProvider *prev_caller;
    HRESULT hres;
 
    TRACE("(%p)->(%lx %lx %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 
    if (!This->ctx)
        return E_UNEXPECTED;
 
    prev_caller = This->ctx->vbcaller->caller;
    This->ctx->vbcaller->caller = pspCaller;
    if(pspCaller)
        IServiceProvider_AddRef(pspCaller);
 
    if (id & DISPID_FUNCTION_MASK)
    {
        id &= ~DISPID_FUNCTION_MASK;
        if (id > This->global_funcs_cnt) {
            hres = DISP_E_MEMBERNOTFOUND;
            goto done;
        }
 
        switch (wFlags)
        {
        case DISPATCH_METHOD:
        case DISPATCH_METHOD | DISPATCH_PROPERTYGET:
            hres = exec_script(This->ctx, TRUE, This->global_funcs[id - 1], NULL, pdp, pvarRes);
            break;
        default:
            FIXME("Unsupported flags %x\n", wFlags);
            hres = E_NOTIMPL;
        }
 
        goto done;
    }
 
    if (id > This->global_vars_cnt) {
        hres = DISP_E_MEMBERNOTFOUND;
        goto done;
    }
 
    if (This->global_vars[id - 1]->is_const)
    {
        FIXME("const not supported\n");
        hres = E_NOTIMPL;
        goto done;
    }
 
    hres = invoke_variant_prop(This->ctx, &This->global_vars[id - 1]->v, wFlags, pdp, pvarRes);
 
done:
    This->ctx->vbcaller->caller = prev_caller;
    if(pspCaller)
        IServiceProvider_Release(pspCaller);
    return hres;
}
 
static HRESULT WINAPI ScriptDisp_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    FIXME("(%p)->(%s %lx)\n", This, debugstr_w(bstrName), grfdex);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI ScriptDisp_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    FIXME("(%p)->(%lx)\n", This, id);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI ScriptDisp_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    FIXME("(%p)->(%lx %lx %p)\n", This, id, grfdexFetch, pgrfdex);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI ScriptDisp_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    FIXME("(%p)->(%lx %p)\n", This, id, pbstrName);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI ScriptDisp_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    FIXME("(%p)->(%lx %lx %p)\n", This, grfdex, id, pid);
    return E_NOTIMPL;
}
 
static HRESULT WINAPI ScriptDisp_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
{
    ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
    FIXME("(%p)->(%p)\n", This, ppunk);
    return E_NOTIMPL;
}
 
static IDispatchExVtbl ScriptDispVtbl = {
    ScriptDisp_QueryInterface,
    ScriptDisp_AddRef,
    ScriptDisp_Release,
    ScriptDisp_GetTypeInfoCount,
    ScriptDisp_GetTypeInfo,
    ScriptDisp_GetIDsOfNames,
    ScriptDisp_Invoke,
    ScriptDisp_GetDispID,
    ScriptDisp_InvokeEx,
    ScriptDisp_DeleteMemberByName,
    ScriptDisp_DeleteMemberByDispID,
    ScriptDisp_GetMemberProperties,
    ScriptDisp_GetMemberName,
    ScriptDisp_GetNextDispID,
    ScriptDisp_GetNameSpaceParent
};
 
HRESULT create_script_disp(script_ctx_t *ctx, ScriptDisp **ret)
{
    ScriptDisp *script_disp;
 
    script_disp = calloc(1, sizeof(*script_disp));
    if(!script_disp)
        return E_OUTOFMEMORY;
 
    script_disp->IDispatchEx_iface.lpVtbl = &ScriptDispVtbl;
    script_disp->ref = 1;
    script_disp->ctx = ctx;
    heap_pool_init(&script_disp->heap);
    script_disp->rnd = 0x50000;
 
    *ret = script_disp;
    return S_OK;
}
 
void collect_objects(script_ctx_t *ctx)
{
    vbdisp_t *iter, *iter2;
 
    LIST_FOR_EACH_ENTRY_SAFE(iter, iter2, &ctx->objects, vbdisp_t, entry)
        run_terminator(iter);
 
    while(!list_empty(&ctx->objects)) {
        iter = LIST_ENTRY(list_head(&ctx->objects), vbdisp_t, entry);
 
        IDispatchEx_AddRef(&iter->IDispatchEx_iface);
        clean_props(iter);
        iter->desc = NULL;
        list_remove(&iter->entry);
        list_init(&iter->entry);
        IDispatchEx_Release(&iter->IDispatchEx_iface);
    }
}
 
HRESULT disp_get_id(IDispatch *disp, BSTR name, vbdisp_invoke_type_t invoke_type, BOOL search_private, DISPID *id)
{
    IDispatchEx *dispex;
    vbdisp_t *vbdisp;
    HRESULT hres;
 
    vbdisp = unsafe_impl_from_IDispatch(disp);
    if(vbdisp)
        return vbdisp_get_id(vbdisp, name, invoke_type, search_private, id);
 
    hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
    if(FAILED(hres)) {
        TRACE("using IDispatch\n");
        return IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, id);
    }
 
    hres = IDispatchEx_GetDispID(dispex, name, fdexNameCaseInsensitive, id);
    IDispatchEx_Release(dispex);
    return hres;
}
 
#define RPC_E_SERVER_UNAVAILABLE 0x800706ba
 
void map_vbs_exception(EXCEPINFO *ei)
{
    int vbse_number;
 
    if(HRESULT_FACILITY(ei->scode) == FACILITY_VBS)
        vbse_number = HRESULT_CODE(ei->scode);
    else
    {
        switch(ei->scode) {
        case E_NOTIMPL:                  vbse_number = VBSE_ACTION_NOT_SUPPORTED; break;
        case E_NOINTERFACE:              vbse_number = VBSE_OLE_NOT_SUPPORTED; break;
        case DISP_E_UNKNOWNINTERFACE:    vbse_number = VBSE_OLE_NO_PROP_OR_METHOD; break;
        case DISP_E_MEMBERNOTFOUND:      vbse_number = VBSE_OLE_NO_PROP_OR_METHOD; break;
        case DISP_E_PARAMNOTFOUND:       vbse_number = VBSE_NAMED_PARAM_NOT_FOUND; break;
        case DISP_E_TYPEMISMATCH:        vbse_number = VBSE_TYPE_MISMATCH; break;
        case DISP_E_UNKNOWNNAME:         vbse_number = VBSE_OLE_NO_PROP_OR_METHOD; break;
        case DISP_E_NONAMEDARGS:         vbse_number = VBSE_NAMED_ARGS_NOT_SUPPORTED; break;
        case DISP_E_BADVARTYPE:          vbse_number = VBSE_INVALID_TYPELIB_VARIABLE; break;
        case DISP_E_OVERFLOW:            vbse_number = VBSE_OVERFLOW; break;
        case DISP_E_BADINDEX:            vbse_number = VBSE_OUT_OF_BOUNDS; break;
        case DISP_E_UNKNOWNLCID:         vbse_number = VBSE_LOCALE_SETTING_NOT_SUPPORTED; break;
        case DISP_E_ARRAYISLOCKED:       vbse_number = VBSE_ARRAY_LOCKED; break;
        case DISP_E_BADPARAMCOUNT:       vbse_number = VBSE_FUNC_ARITY_MISMATCH; break;
        case DISP_E_PARAMNOTOPTIONAL:    vbse_number = VBSE_PARAMETER_NOT_OPTIONAL; break;
        case DISP_E_NOTACOLLECTION:      vbse_number = VBSE_NOT_ENUM; break;
        case TYPE_E_DLLFUNCTIONNOTFOUND: vbse_number = VBSE_INVALID_DLL_FUNCTION_NAME; break;
        case TYPE_E_TYPEMISMATCH:        vbse_number = VBSE_TYPE_MISMATCH; break;
        case TYPE_E_OUTOFBOUNDS:         vbse_number = VBSE_OUT_OF_BOUNDS; break;
        case TYPE_E_IOERROR:             vbse_number = VBSE_IO_ERROR; break;
        case TYPE_E_CANTCREATETMPFILE:   vbse_number = VBSE_CANT_CREATE_TMP_FILE; break;
        case STG_E_FILENOTFOUND:         vbse_number = VBSE_OLE_FILE_NOT_FOUND; break;
        case STG_E_PATHNOTFOUND:         vbse_number = VBSE_PATH_NOT_FOUND; break;
        case STG_E_TOOMANYOPENFILES:     vbse_number = VBSE_TOO_MANY_FILES; break;
        case STG_E_ACCESSDENIED:         vbse_number = VBSE_PERMISSION_DENIED; break;
        case STG_E_INSUFFICIENTMEMORY:   vbse_number = VBSE_OUT_OF_MEMORY; break;
        case STG_E_NOMOREFILES:          vbse_number = VBSE_TOO_MANY_FILES; break;
        case STG_E_DISKISWRITEPROTECTED: vbse_number = VBSE_PERMISSION_DENIED; break;
        case STG_E_WRITEFAULT:           vbse_number = VBSE_IO_ERROR; break;
        case STG_E_READFAULT:            vbse_number = VBSE_IO_ERROR; break;
        case STG_E_SHAREVIOLATION:       vbse_number = VBSE_PATH_FILE_ACCESS; break;
        case STG_E_LOCKVIOLATION:        vbse_number = VBSE_PERMISSION_DENIED; break;
        case STG_E_FILEALREADYEXISTS:    vbse_number = VBSE_FILE_ALREADY_EXISTS; break;
        case STG_E_MEDIUMFULL:           vbse_number = VBSE_DISK_FULL; break;
        case STG_E_INVALIDNAME:          vbse_number = VBSE_FILE_NOT_FOUND; break;
        case STG_E_INUSE:                vbse_number = VBSE_PERMISSION_DENIED; break;
        case STG_E_NOTCURRENT:           vbse_number = VBSE_PERMISSION_DENIED; break;
        case STG_E_CANTSAVE:             vbse_number = VBSE_IO_ERROR; break;
        case REGDB_E_CLASSNOTREG:        vbse_number = VBSE_CANT_CREATE_OBJECT; break;
        case MK_E_UNAVAILABLE:           vbse_number = VBSE_CANT_CREATE_OBJECT; break;
        case MK_E_INVALIDEXTENSION:      vbse_number = VBSE_OLE_FILE_NOT_FOUND; break;
        case MK_E_CANTOPENFILE:          vbse_number = VBSE_OLE_FILE_NOT_FOUND; break;
        case CO_E_CLASSSTRING:           vbse_number = VBSE_CANT_CREATE_OBJECT; break;
        case CO_E_APPNOTFOUND:           vbse_number = VBSE_CANT_CREATE_OBJECT; break;
        case CO_E_APPDIDNTREG:           vbse_number = VBSE_CANT_CREATE_OBJECT; break;
        case E_ACCESSDENIED:             vbse_number = VBSE_PERMISSION_DENIED; break;
        case E_OUTOFMEMORY:              vbse_number = VBSE_OUT_OF_MEMORY; break;
        case E_INVALIDARG:               vbse_number = VBSE_ILLEGAL_FUNC_CALL; break;
        case RPC_E_SERVER_UNAVAILABLE:   vbse_number = VBSE_SERVER_NOT_FOUND; break;
        case CO_E_SERVER_EXEC_FAILURE:   vbse_number = VBSE_CANT_CREATE_OBJECT; break;
        default: return; /* early return, all other HRESULT left as-is */
        }
        ei->scode = MAKE_VBSERROR(vbse_number);
    }
    if(!ei->bstrSource)
        ei->bstrSource = get_vbscript_string(VBS_RUNTIME_ERROR);
    if(!ei->bstrDescription)
        if(!(ei->bstrDescription = get_vbscript_string(vbse_number)))
            ei->bstrDescription = get_vbscript_string(VBS_UNKNOWN_RUNTIME_ERROR);
}
 
HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, DISPPARAMS *dp, VARIANT *retv)
{
    const WORD flags = DISPATCH_METHOD|(retv ? DISPATCH_PROPERTYGET : 0);
    IDispatchEx *dispex;
    vbdisp_t *vbdisp;
    EXCEPINFO ei;
    HRESULT hres;
 
    memset(&ei, 0, sizeof(ei));
    if(retv)
        V_VT(retv) = VT_EMPTY;
 
    vbdisp = unsafe_impl_from_IDispatch(disp);
    if(vbdisp && vbdisp->desc && vbdisp->desc->ctx == ctx)
        return invoke_vbdisp(vbdisp, id, flags, FALSE, dp, retv);
 
    hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
    if(SUCCEEDED(hres)) {
        hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, dp, retv, &ei, &ctx->vbcaller->IServiceProvider_iface);
        IDispatchEx_Release(dispex);
    }else {
        UINT err = 0;
 
        TRACE("using IDispatch\n");
        hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, dp, retv, &ei, &err);
    }
 
    if(hres == DISP_E_EXCEPTION) {
        clear_ei(&ctx->ei);
        ctx->ei = ei;
        hres = SCRIPT_E_RECORDED;
    }
    return hres;
}
 
HRESULT get_disp_value(script_ctx_t *ctx, IDispatch *disp, VARIANT *v)
{
    DISPPARAMS dp = {NULL};
    if(!disp)
        return MAKE_VBSERROR(VBSE_OBJECT_VARIABLE_NOT_SET);
    return disp_call(ctx, disp, DISPID_VALUE, &dp, v);
}
 
HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, DISPPARAMS *dp)
{
    IDispatchEx *dispex;
    vbdisp_t *vbdisp;
    EXCEPINFO ei = {0};
    HRESULT hres;
 
    vbdisp = unsafe_impl_from_IDispatch(disp);
    if(vbdisp && vbdisp->desc && vbdisp->desc->ctx == ctx)
        return invoke_vbdisp(vbdisp, id, flags, FALSE, dp, NULL);
 
    hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
    if(SUCCEEDED(hres)) {
        hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, dp, NULL, &ei, &ctx->vbcaller->IServiceProvider_iface);
        IDispatchEx_Release(dispex);
    }else {
        UINT err = 0;
 
        TRACE("using IDispatch\n");
        hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, dp, NULL, &ei, &err);
    }
 
    if(hres == DISP_E_EXCEPTION) {
        clear_ei(&ctx->ei);
        ctx->ei = ei;
        hres = SCRIPT_E_RECORDED;
    }
    return hres;
}