void DWENTRY DWBeginStruct(
dw_client cli,
dw_handle struct_hdl,
dw_size_t size,
const char * name,
dw_addr_offset start_scope,
uint flags )
{
abbrev_code abbrev;
dw_st kind;
start_scope = start_scope;
SetHandleLocation( cli, struct_hdl );
kind = GetExtra( cli, struct_hdl )->structure.kind;
abbrev = 0;
switch( kind ){
case DW_ST_CLASS:
abbrev = AB_CLASS_TYPE;
break;
case DW_ST_STRUCT:
abbrev = AB_STRUCT_TYPE;
break;
case DW_ST_UNION:
abbrev = AB_UNION_TYPE;
break;
}
DestroyExtra( cli, struct_hdl );
abbrev |= AB_SIBLING | AB_START_REF;
emitCommonTypeInfo( cli, abbrev , name, flags );
/* AT_byte_size */
InfoULEB128( cli, size );
EndDIE( cli );
StartChildren( cli );
}
VMFrame *VMFrameStack::PopFrame()
{
if (Blocks == NULL)
{
return NULL;
}
VMFrame *frame = Blocks->LastFrame;
if (frame == NULL)
{
return NULL;
}
auto Func = static_cast<VMScriptFunction *>(frame->Func);
if (Func->SpecialInits.Size())
{
Func->DestroyExtra(frame->GetExtra());
}
// Free any string registers this frame had.
FString *regs = frame->GetRegS();
for (int i = frame->NumRegS; i != 0; --i)
{
(regs++)->~FString();
}
VMFrame *parent = frame->ParentFrame;
if (parent == NULL)
{
// Popping the last frame off the stack.
if (Blocks != NULL)
{
assert(Blocks->NextBlock == NULL);
Blocks->LastFrame = NULL;
Blocks->InitFreeSpace();
}
return NULL;
}
if ((VM_UBYTE *)parent < (VM_UBYTE *)Blocks || (VM_UBYTE *)parent >= (VM_UBYTE *)Blocks + Blocks->BlockSize)
{ // Parent frame is in a different block, so move this one to the unused list.
BlockHeader *next = Blocks->NextBlock;
assert(next != NULL);
assert((VM_UBYTE *)parent >= (VM_UBYTE *)next && (VM_UBYTE *)parent < (VM_UBYTE *)next + next->BlockSize);
Blocks->NextBlock = UnusedBlocks;
UnusedBlocks = Blocks;
Blocks = next;
}
else
{
Blocks->LastFrame = parent;
Blocks->FreeSpace = (VM_UBYTE *)frame;
}
return parent;
}
