mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-21 06:12:34 +03:00
269 lines
7.5 KiB
C++
269 lines
7.5 KiB
C++
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; Macroinstructions for defining and calling procedures
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macro stdcall proc,[arg] ; directly call STDCALL procedure
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{ common
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if ~ arg eq
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reverse
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pushd arg
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common
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end if
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call proc }
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macro invoke proc,[arg] ; indirectly call STDCALL procedure
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{ common
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if ~ arg eq
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reverse
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pushd arg
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common
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end if
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call [proc] }
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macro ccall proc,[arg] ; directly call CDECL procedure
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{ common
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size@ccall = 0
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if ~ arg eq
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reverse
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pushd arg
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size@ccall = size@ccall+4
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common
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end if
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call proc
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if size@ccall
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add esp,size@ccall
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end if }
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macro cinvoke proc,[arg] ; indirectly call CDECL procedure
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{ common
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size@ccall = 0
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if ~ arg eq
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reverse
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pushd arg
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size@ccall = size@ccall+4
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common
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end if
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call [proc]
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if size@ccall
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add esp,size@ccall
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end if }
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macro proc [args] ; define procedure
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{ common
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match name params, args>
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\{ define@proc name,<params \} }
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prologue@proc equ prologuedef
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macro prologuedef procname,flag,parmbytes,localbytes,reglist
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{ if parmbytes | localbytes
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push ebp
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mov ebp,esp
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if localbytes
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sub esp,localbytes
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end if
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end if
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irps reg, reglist \{ push reg \} }
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epilogue@proc equ epiloguedef
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macro epiloguedef procname,flag,parmbytes,localbytes,reglist
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{ irps reg, reglist \{ reverse pop reg \}
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if parmbytes | localbytes
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leave
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end if
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if flag and 10000b
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retn
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else
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retn parmbytes
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end if }
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macro define@proc name,statement
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{ local params,flag,regs,parmbytes,localbytes,current
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if used name
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name:
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match =stdcall args, statement \{ params equ args
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flag = 11b \}
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match =stdcall, statement \{ params equ
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flag = 11b \}
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match =c args, statement \{ params equ args
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flag = 10001b \}
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match =c, statement \{ params equ
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flag = 10001b \}
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match =params, params \{ params equ statement
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flag = 0 \}
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virtual at ebp+8
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match =uses reglist=,args, params \{ regs equ reglist
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params equ args \}
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match =regs =uses reglist, regs params \{ regs equ reglist
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params equ \}
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match =regs, regs \{ regs equ \}
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match =,args, params \{ defargs@proc args \}
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match =args@proc args, args@proc params \{ defargs@proc args \}
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parmbytes = $ - (ebp+8)
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end virtual
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name # % = parmbytes/4
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all@vars equ
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current = 0
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match prologue:reglist, prologue@proc:<regs> \{ prologue name,flag,parmbytes,localbytes,reglist \}
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macro locals
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\{ virtual at ebp-localbytes+current
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macro label . \\{ deflocal@proc .,:, \\}
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struc db [val] \\{ \common deflocal@proc .,db,val \\}
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struc dw [val] \\{ \common deflocal@proc .,dw,val \\}
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struc dp [val] \\{ \common deflocal@proc .,dp,val \\}
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struc dd [val] \\{ \common deflocal@proc .,dd,val \\}
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struc dt [val] \\{ \common deflocal@proc .,dt,val \\}
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struc dq [val] \\{ \common deflocal@proc .,dq,val \\}
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struc rb cnt \\{ deflocal@proc .,rb cnt, \\}
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struc rw cnt \\{ deflocal@proc .,rw cnt, \\}
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struc rp cnt \\{ deflocal@proc .,rp cnt, \\}
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struc rd cnt \\{ deflocal@proc .,rd cnt, \\}
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struc rt cnt \\{ deflocal@proc .,rt cnt, \\}
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struc rq cnt \\{ deflocal@proc .,rq cnt, \\} \}
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macro endl
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\{ purge label
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restruc db,dw,dp,dd,dt,dq
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restruc rb,rw,rp,rd,rt,rq
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restruc byte,word,dword,pword,tword,qword
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current = $-(ebp-localbytes)
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end virtual \}
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macro ret operand
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\{ match any, operand \\{ retn operand \\}
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match , operand \\{ match epilogue:reglist, epilogue@proc:<regs>
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\\\{ epilogue name,flag,parmbytes,localbytes,reglist \\\} \\} \}
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macro finish@proc \{ localbytes = (((current-1) shr 2)+1) shl 2
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end if \} }
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macro defargs@proc [arg]
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{ common
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if ~ arg eq
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forward
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local ..arg,current@arg
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match argname:type, arg
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\{ current@arg equ argname
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label ..arg type
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argname equ ..arg
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if dqword eq type
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dd ?,?,?,?
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else if tbyte eq type
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dd ?,?,?
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else if qword eq type | pword eq type
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dd ?,?
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else
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dd ?
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end if \}
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match =current@arg,current@arg
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\{ current@arg equ arg
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arg equ ..arg
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..arg dd ? \}
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common
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args@proc equ current@arg
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forward
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restore current@arg
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common
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end if }
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macro deflocal@proc name,def,[val]
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{ common
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match vars, all@vars \{ all@vars equ all@vars, \}
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all@vars equ all@vars name
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forward
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local ..var,..tmp
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..var def val
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match =?, val \{ ..tmp equ \}
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match any =dup (=?), val \{ ..tmp equ \}
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match tmp : value, ..tmp : val
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\{ tmp: end virtual
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initlocal@proc ..var,def value
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virtual at tmp\}
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common
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match first rest, ..var, \{ name equ first \} }
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macro initlocal@proc name,def
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{ virtual at name
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def
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size@initlocal = $ - name
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end virtual
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position@initlocal = 0
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while size@initlocal > position@initlocal
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virtual at name
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def
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if size@initlocal - position@initlocal < 2
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current@initlocal = 1
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load byte@initlocal byte from name+position@initlocal
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else if size@initlocal - position@initlocal < 4
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current@initlocal = 2
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load word@initlocal word from name+position@initlocal
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else
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current@initlocal = 4
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load dword@initlocal dword from name+position@initlocal
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end if
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end virtual
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if current@initlocal = 1
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mov byte [name+position@initlocal],byte@initlocal
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else if current@initlocal = 2
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mov word [name+position@initlocal],word@initlocal
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else
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mov dword [name+position@initlocal],dword@initlocal
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end if
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position@initlocal = position@initlocal + current@initlocal
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end while }
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macro endp
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{ purge ret,locals,endl
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finish@proc
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purge finish@proc
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restore regs@proc
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match all,args@proc \{ restore all \}
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restore args@proc
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match all,all@vars \{ restore all \} }
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macro local [var]
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{ common
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locals
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forward done@local equ
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match varname[count]:vartype, var
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\{ match =BYTE, vartype \\{ varname rb count
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restore done@local \\}
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match =WORD, vartype \\{ varname rw count
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restore done@local \\}
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match =DWORD, vartype \\{ varname rd count
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restore done@local \\}
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match =PWORD, vartype \\{ varname rp count
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restore done@local \\}
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match =QWORD, vartype \\{ varname rq count
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restore done@local \\}
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match =TBYTE, vartype \\{ varname rt count
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restore done@local \\}
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match =DQWORD, vartype \\{ label varname dqword
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rq count+count
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restore done@local \\}
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match , done@local \\{ virtual
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varname vartype
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end virtual
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rb count*sizeof.\#vartype
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restore done@local \\} \}
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match :varname:vartype, done@local:var
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\{ match =BYTE, vartype \\{ varname db ?
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restore done@local \\}
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match =WORD, vartype \\{ varname dw ?
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restore done@local \\}
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match =DWORD, vartype \\{ varname dd ?
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restore done@local \\}
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match =PWORD, vartype \\{ varname dp ?
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restore done@local \\}
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match =QWORD, vartype \\{ varname dq ?
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restore done@local \\}
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match =TBYTE, vartype \\{ varname dt ?
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restore done@local \\}
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match =DQWORD, vartype \\{ label varname dqword
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dq ?,?
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restore done@local \\}
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match , done@local \\{ varname vartype
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restore done@local \\} \}
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match ,done@local
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\{ var
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restore done@local \}
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common
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endl }
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