nasm/yasm question

[Mark_Larson]

  can you declare a structure as a field inside your structure in  yasm/nasm?   I tried to get it to work and it keeps giving me an error message

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struct  FRED
   asdf: resd 1
endstruc

struct MYOTHERSTRUC
  fredStruc: FRED
endstruc


[akane]

In original nasm you cannot, but you can do a trick:

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struct  FRED
.asdf  resd 1
endstruc

struct MYOTHERSTRUC
.fredStruc.asdf resd 1 ; inline FRED
.rcDraw.left   resd 1 ; inline RECT
.rcDraw.top    resd 1
.rcDraw.right  resd 1
.rcDraw.bottom resd 1
endstruc
Or, if you do not need to access FRED members - define it as space:

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struct MYOTHERSTRUC
.fredStruc resb sizeof(FRED)
endstruc
where sizeof is defined as

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%define sizeof(x) x %+ _size
just copy all FRED members and append "fredStruc." prefix to all. It could be done by extra macro that wraps the 'struct' macro, i didn't tried.