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objects.inc
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1989-05-02
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; Turbo Pascal 5.5 object-oriented example
; Assembler include file for OBJECTS.PAS unit
; Copyright (c) 1989 by Borland International, Inc.
; *******************************************************
; * *
; * EQUATES AND MACROS *
; * *
; *******************************************************
LOCALS @@
; Object definition macro
OBJECT MACRO Name,Parent
FIELD MACRO FName,FType,FCount
&Name&@&&FName EQU (FType PTR &Name&@)
&Name&@ = &Name&@ + FType * FCount
ENDM
METHOD MACRO MName
IFE &Name&$
&Name&@VMT EQU (WORD PTR &Name&@)
&Name&@ = &Name&@ + WORD
&Name&$ = 4
ENDIF
&Name&$&&MName EQU (DWORD PTR &Name&$)
&Name&$ = &Name&$ + DWORD
ENDM
IFNB <Parent>
&Name&@ = &Parent&@
&Name&$ = &Parent&$
ELSE
&Name&@ = 0
&Name&$ = 0
ENDIF
ENDM
; 4-Byte record
ByteRec STRUC
b0 DB ?
b1 DB ?
b2 DB ?
b3 DB ?
ByteRec ENDS
; 4-Word record
WordRec STRUC
w0 DW ?
w2 DW ?
w4 DW ?
w6 DW ?
WordRec ENDS
; Base object type
OBJECT Base
METHOD Done
; SProc object type
OBJECT SProc
FIELD StoreProc,DWORD,1
FIELD LoadProc,DWORD,1
; Stream object type
OBJECT Stream,Base
FIELD TypeCount,WORD,1
FIELD TypeList,DWORD,1
FIELD ProcList,DWORD,1
FIELD Status,WORD,1
METHOD Error
METHOD Flush
METHOD GetPos
METHOD Read
METHOD RegisterTypes
METHOD SetPos
METHOD Truncate
METHOD Write
; DosStream object type
OBJECT DosStream,Stream
FIELD Handle,WORD,1
; BufStream object type
OBJECT BufStream,DosStream
FIELD Buffer,DWORD,1
FIELD BufSize,WORD,1
FIELD BufPtr,WORD,1
FIELD BufEnd,WORD,1