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Add support for interface ptrs including the special cases for 

IUnknown and IDispatch.
This commit is contained in:
Huw Davies 2005-01-14 16:50:16 +00:00 committed by Alexandre Julliard
parent 24f804528e
commit ba874a31d0
2 changed files with 51 additions and 14 deletions
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15
tools/widl/typelib.c
View File

@ -132,19 +132,18 @@ unsigned short get_type_vt(type_t *t)
case RPC_FC_UP:
case RPC_FC_OP:
case RPC_FC_FP:
/* it's a pointer... */
if (t->ref && t->ref->type == RPC_FC_IP) {
/* it's to an interface, which one? */
if (match(t->ref->name, "IDispatch"))
return VT_DISPATCH;
if (match(t->ref->name, "IUnknown"))
return VT_UNKNOWN;
}
if(t->ref)
return VT_PTR;
error("get_type_vt: unknown-deref-type: %d\n", t->ref->type);
break;
case RPC_FC_IP:
if(match(t->name, "IUnknown"))
return VT_UNKNOWN;
if(match(t->name, "IDispatch"))
return VT_DISPATCH;
return VT_USERDEFINED;
case RPC_FC_STRUCT:
return VT_USERDEFINED;
case 0:

50
tools/widl/write_msft.c
View File

@ -745,6 +745,13 @@ static int encode_type(
*alignment = 1;
break;
case VT_UNKNOWN:
case VT_DISPATCH:
*encoded_type = default_type;
*width = 4;
*alignment = 4;
break;
case VT_PTR:
{
int next_vt;
@ -754,6 +761,14 @@ static int encode_type(
}
encode_type(typelib, next_vt, type->ref, &target_type, NULL, NULL, &child_size);
if(type->ref->type == RPC_FC_IP) {
chat("encode_type: skipping ptr\n");
*encoded_type = target_type;
*width = 4;
*alignment = 4;
*decoded_size = child_size;
break;
}
for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
@ -828,11 +843,10 @@ static int encode_type(
case VT_USERDEFINED:
{
int typeinfo_offset;
chat("USERDEFINED.\n");
chat("type %p name = %s idx %d\n", type, type->name, type->typelib_idx);
chat("encode_type: VT_USERDEFINED - type %p name = %s idx %d\n", type, type->name, type->typelib_idx);
if(type->typelib_idx == -1)
error("trying to ref not added type\n");
error("encode_type: trying to ref not added type\n");
typeinfo_offset = typelib->typelib_typeinfo_offsets[type->typelib_idx];
for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
@ -851,11 +865,23 @@ static int encode_type(
*encoded_type = typeoffset;
*width = 0;
*alignment = 1;
if(type->type == RPC_FC_IP) {
typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
typedata[0] = (0x7fff << 16) | VT_PTR;
typedata[1] = *encoded_type;
*encoded_type = typeoffset;
*width = 4;
*alignment = 4;
*decoded_size += 8;
}
break;
}
default:
error("Unrecognized type %d.\n", vt);
error("encode_type: unrecognized type %d.\n", vt);
*encoded_type = default_type;
*width = 0;
*alignment = 1;
@ -894,9 +920,19 @@ static int encode_var(
chat("encode_var: var %p var->tname %s var->type %p var->ptr_level %d var->type->ref %p\n", var, var->tname, var->type, var->ptr_level, var->type->ref);
if(var->ptr_level--) {
encode_var(typelib, var, &target_type, NULL, NULL, &child_size);
int skip_ptr;
skip_ptr = encode_var(typelib, var, &target_type, NULL, NULL, &child_size);
var->ptr_level++;
if(skip_ptr == 2) {
chat("encode_var: skipping ptr\n");
*encoded_type = target_type;
*decoded_size = child_size;
*width = 4;
*alignment = 4;
return 0;
}
for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
if (((typedata[0] & 0xffff) == VT_PTR) && (typedata[1] == target_type)) break;
@ -978,7 +1014,9 @@ static int encode_var(
if(!type) error("encode_var: type->ref is null\n");
vt = get_type_vt(type);
}
return encode_type(typelib, vt, type, encoded_type, width, alignment, decoded_size);
encode_type(typelib, vt, type, encoded_type, width, alignment, decoded_size);
if(type->type == RPC_FC_IP) return 2;
return 0;
}