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Improvements to ICreateTypeInfo2_fnAddVarDesc().
A separate function to encode TYPEINFO structures.
This commit is contained in:
Alastair Bridgewater
Alexandre Julliard
parent
df5800fdd7
commit
681b6aa083
@ -649,6 +649,208 @@ static int ctl2_alloc_importfile(
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return offset;
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}
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/****************************************************************************
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* ctl2_encode_typedesc
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*
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* Encodes a type description, storing information in the TYPEDESC and ARRAYDESC
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* segments as needed.
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*
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* RETURNS
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*
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* Success: 0.
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* Failure: -1.
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*/
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static int ctl2_encode_typedesc(
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ICreateTypeLib2Impl *This, /* [I] The type library in which to encode the TYPEDESC. */
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TYPEDESC *tdesc, /* [I] The type description to encode. */
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int *encoded_tdesc, /* [O] The encoded type description. */
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int *width, /* [O] The width of the type, or NULL. */
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int *alignment, /* [O] The alignment of the type, or NULL. */
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int *decoded_size) /* [O] The total size of the unencoded TYPEDESCs, including nested descs. */
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{
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int default_tdesc;
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int scratch;
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int typeoffset;
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int arrayoffset;
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int *typedata;
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int *arraydata;
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int target_type;
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int child_size;
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default_tdesc = 0x80000000 | (tdesc->vt << 16) | tdesc->vt;
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if (!width) width = &scratch;
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if (!alignment) alignment = &scratch;
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if (!decoded_size) decoded_size = &scratch;
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*decoded_size = 0;
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switch (tdesc->vt) {
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case VT_UI1:
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case VT_I1:
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*encoded_tdesc = default_tdesc;
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*width = 1;
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*alignment = 1;
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break;
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case VT_UINT:
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*encoded_tdesc = 0x80000000 | (VT_UI4 << 16) | VT_UINT;
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if ((This->typelib_header.varflags & 0x0f) == SYS_WIN16) {
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*width = 2;
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*alignment = 2;
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} else {
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*width = 4;
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*alignment = 4;
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}
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break;
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case VT_UI2:
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*encoded_tdesc = default_tdesc;
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*width = 2;
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*alignment = 2;
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break;
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case VT_I4:
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case VT_UI4:
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case VT_ERROR:
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case VT_BSTR:
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case VT_HRESULT:
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*encoded_tdesc = default_tdesc;
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*width = 4;
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*alignment = 4;
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break;
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case VT_VOID:
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*encoded_tdesc = 0x80000000 | (VT_EMPTY << 16) | tdesc->vt;
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*width = 0;
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*alignment = 1;
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break;
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case VT_PTR:
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/* FIXME: Make with the error checking. */
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FIXME("PTR vartype, may not work correctly.\n");
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ctl2_encode_typedesc(This, tdesc->u.lptdesc, &target_type, NULL, NULL, &child_size);
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for (typeoffset = 0; typeoffset < This->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
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typedata = (void *)&This->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
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if (((typedata[0] & 0xffff) == VT_PTR) && (typedata[1] == target_type)) break;
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}
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if (typeoffset == This->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
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int mix_field;
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if (target_type & 0x80000000) {
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mix_field = ((target_type >> 16) & 0x3fff) | VT_BYREF;
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} else {
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typedata = (void *)&This->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
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mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
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}
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typeoffset = ctl2_alloc_segment(This, MSFT_SEG_TYPEDESC, 8, 0);
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typedata = (void *)&This->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
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typedata[0] = (mix_field << 16) | VT_PTR;
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typedata[1] = target_type;
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}
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*encoded_tdesc = typeoffset;
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*width = 4;
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*alignment = 4;
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*decoded_size = sizeof(TYPEDESC) + child_size;
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break;
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case VT_SAFEARRAY:
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/* FIXME: Make with the error checking. */
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FIXME("SAFEARRAY vartype, may not work correctly.\n");
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ctl2_encode_typedesc(This, tdesc->u.lptdesc, &target_type, NULL, NULL, &child_size);
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for (typeoffset = 0; typeoffset < This->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
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typedata = (void *)&This->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
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if (((typedata[0] & 0xffff) == VT_SAFEARRAY) && (typedata[1] == target_type)) break;
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}
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if (typeoffset == This->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
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int mix_field;
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if (target_type & 0x80000000) {
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mix_field = ((target_type >> 16) & VT_TYPEMASK) | VT_ARRAY;
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} else {
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typedata = (void *)&This->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
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mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
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}
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typeoffset = ctl2_alloc_segment(This, MSFT_SEG_TYPEDESC, 8, 0);
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typedata = (void *)&This->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
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typedata[0] = (mix_field << 16) | VT_SAFEARRAY;
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typedata[1] = target_type;
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}
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*encoded_tdesc = typeoffset;
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*width = 4;
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*alignment = 4;
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*decoded_size = sizeof(TYPEDESC) + child_size;
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break;
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case VT_CARRAY:
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/* FIXME: Make with the error checking. */
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FIXME("Array vartype, hacking badly.\n");
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ctl2_encode_typedesc(This, &tdesc->u.lpadesc->tdescElem, &target_type, width, alignment, NULL);
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arrayoffset = ctl2_alloc_segment(This, MSFT_SEG_ARRAYDESC, 16, 0);
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arraydata = (void *)&This->typelib_segment_data[MSFT_SEG_ARRAYDESC][arrayoffset];
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arraydata[0] = target_type;
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arraydata[1] = 0x00080001;
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arraydata[2] = 0x8;
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arraydata[3] = 0;
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typeoffset = ctl2_alloc_segment(This, MSFT_SEG_TYPEDESC, 8, 0);
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typedata = (void *)&This->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
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typedata[0] = (0x7ffe << 16) | VT_CARRAY;
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typedata[1] = arrayoffset;
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*encoded_tdesc = typeoffset;
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*width = 8;
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*alignment = 1;
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*decoded_size = sizeof(ARRAYDESC);
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break;
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case VT_USERDEFINED:
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TRACE("USERDEFINED.\n");
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for (typeoffset = 0; typeoffset < This->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
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typedata = (void *)&This->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
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if ((typedata[0] == ((0x7fff << 16) | VT_USERDEFINED)) && (typedata[1] == tdesc->u.hreftype)) break;
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}
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if (typeoffset == This->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
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typeoffset = ctl2_alloc_segment(This, MSFT_SEG_TYPEDESC, 8, 0);
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typedata = (void *)&This->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
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typedata[0] = (0x7fff << 16) | VT_USERDEFINED;
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typedata[1] = tdesc->u.hreftype;
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}
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*encoded_tdesc = typeoffset;
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*width = 0;
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*alignment = 1;
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break;
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default:
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FIXME("Unrecognized type %d.\n", tdesc->vt);
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*encoded_tdesc = default_tdesc;
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*width = 0;
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*alignment = 1;
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break;
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}
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return 0;
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}
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/*================== ICreateTypeInfo2 Implementation ===================================*/
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@ -955,6 +1157,8 @@ static HRESULT WINAPI ICreateTypeInfo2_fnAddVarDesc(
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int offset;
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INT *typedata;
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int var_datawidth;
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int var_alignment;
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int var_type_size;
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int alignment;
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TRACE("(%p,%d,%p), stub!\n", iface, index, pVarDesc);
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@ -980,10 +1184,8 @@ static HRESULT WINAPI ICreateTypeInfo2_fnAddVarDesc(
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/* fill out the basic type information */
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typedata[0] = 0x14 | (index << 16);
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typedata[1] = 0x80000000 | (pVarDesc->elemdescVar.tdesc.vt << 16) | pVarDesc->elemdescVar.tdesc.vt;
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typedata[2] = pVarDesc->wVarFlags;
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typedata[3] = 0x00240000;
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typedata[4] = This->datawidth;
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typedata[3] = (sizeof(VARDESC) << 16) | 0;
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/* update the index data */
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This->indices[index] = 0x40000000 + index;
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@ -991,59 +1193,25 @@ static HRESULT WINAPI ICreateTypeInfo2_fnAddVarDesc(
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This->offsets[index] = offset;
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/* figure out type widths and whatnot */
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if (pVarDesc->elemdescVar.tdesc.vt == VT_UI4) {
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var_datawidth = 4;
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} else if (pVarDesc->elemdescVar.tdesc.vt == VT_BSTR) {
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var_datawidth = 4;
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} else if (pVarDesc->elemdescVar.tdesc.vt == VT_UI2) {
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var_datawidth = 2;
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} else if (pVarDesc->elemdescVar.tdesc.vt == VT_UI1) {
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var_datawidth = 1;
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} else if (pVarDesc->elemdescVar.tdesc.vt == VT_CARRAY) {
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int *typedesc;
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int *arraydesc;
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int typeoffset;
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int arrayoffset;
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ctl2_encode_typedesc(This->typelib, &pVarDesc->elemdescVar.tdesc,
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&typedata[1], &var_datawidth, &var_alignment,
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&var_type_size);
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FIXME("Array vartype, hacking badly.\n");
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typeoffset = ctl2_alloc_segment(This->typelib, MSFT_SEG_TYPEDESC, 8, 0);
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arrayoffset = ctl2_alloc_segment(This->typelib, MSFT_SEG_ARRAYDESC, 16, 0);
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/* pad out starting position to data width */
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This->datawidth += var_alignment - 1;
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This->datawidth &= ~(var_alignment - 1);
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typedata[4] = This->datawidth;
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/* add the new variable to the total data width */
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This->datawidth += var_datawidth;
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typedesc = (void *)&This->typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
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arraydesc = (void *)&This->typelib->typelib_segment_data[MSFT_SEG_ARRAYDESC][arrayoffset];
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typedesc[0] = 0x7ffe001c;
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typedesc[1] = arrayoffset;
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arraydesc[0] = 0x80000000 | (pVarDesc->elemdescVar.tdesc.u.lpadesc->tdescElem.vt << 16) | pVarDesc->elemdescVar.tdesc.u.lpadesc->tdescElem.vt;
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arraydesc[1] = 0x00080001;
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arraydesc[2] = 0x8;
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arraydesc[3] = 0;
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typedata[1] = typeoffset;
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typedata[3] = 0x00380000;
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This->datawidth += 8;
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var_datawidth = 0; /* FIXME: Probably wrong. */
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} else {
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FIXME("Unrecognized vartype %d.\n", pVarDesc->elemdescVar.tdesc.vt);
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var_datawidth = 0;
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}
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if (pVarDesc->elemdescVar.tdesc.vt != VT_CARRAY) {
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/* pad out starting position to data width */
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This->datawidth += var_datawidth - 1;
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This->datawidth &= ~(var_datawidth - 1);
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typedata[4] = This->datawidth;
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/* add the new variable to the total data width */
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This->datawidth += var_datawidth;
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}
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/* add type description size to total required allocation */
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typedata[3] += var_type_size << 16;
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/* fix type alignment */
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alignment = (This->typeinfo->typekind >> 11) & 0x1f;
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if (alignment < var_datawidth) {
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alignment = var_datawidth;
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if (alignment < var_alignment) {
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alignment = var_alignment;
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This->typeinfo->typekind &= ~0xf800;
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This->typeinfo->typekind |= alignment << 11;
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}
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@ -1107,8 +1275,11 @@ static HRESULT WINAPI ICreateTypeInfo2_fnSetVarName(
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if (offset == -1) return E_OUTOFMEMORY;
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namedata = This->typelib->typelib_segment_data[MSFT_SEG_NAME] + offset;
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*((INT *)namedata) = 0;
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*((INT *)namedata) = This->typelib->typelib_typeinfo_offsets[This->typeinfo->typekind >> 16];
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namedata[9] = 0x10;
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if ((This->typeinfo->typekind & 15) == TKIND_ENUM) {
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namedata[9] |= 0x20;
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}
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This->names[index] = offset;
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return S_OK;
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