fasm C-compatible syntax typedef macro

來源:互聯網
上載者:User

彙編在做c標頭檔移植的時候,總覺得db dw dd dq的類型有些生硬,不具可讀性,並且對於win32,win64的結構需要維護兩份。於是寫了個fasm的typedef宏(與c的寫法相同),可用於結構體定義,資料定義,函數的局部變數local 定義中。

 

;---===---;---===---fasm typedef macro by G-Spider @2013;---===---macro macro@typedef base,[type] {     forward    struc type [v]     \{         \common match any, v \\{ . base v \\}             match , v \\{ . base ? \\}    \}     macro type [v]     \{         \common match any, v \\{ base v \\}             match , v \\{ base ? \\}    \}    virtual at 0      base ?      sizeof.#type=$    end virtual} macro typedef [statement] {     common    match gs@base gs@type,statement    \{        macro@typedef gs@base,gs@type    \}}for example:;聲明typedef dd SDWORDtypedef SDWORD DWORD,INT32,LONGtypedef db CHAR,BYTE_WIN64 equ FALSEmatch =TRUE ,_WIN64{typedef dq PVOID}match =FALSE,_WIN64{typedef dd PVOID} typedef PVOID HANDLE,PSTR,PWSTR;....................;結構定義struc point x,y{  .:  .x SDWORD x  .y INT32 y  .size = $ - .}struct SIZE  cx LONG ?  cy LONG ?ends;....................;資料定義m1 SDWORD 12,13,14,sizeof.DWORDm2 INT32 12,13,14,sizeof.INT32my point 7,my.sizeINT32m3 INT32 ;....................;函數的局部資料定義proc WindowProc uses ebx esi edi,hwnd,wmsg,wparam,lparam    local hDC:HANDLE    local mySize:SIZE

注意到:

version 1.70 (Apr 17, 2012):
[+] Macroinstruction argument now can have default value, defined with "="
symbol followed by value after the argument name in definition.

所以對於1.7及以上版本,可以簡寫成:

macro typedef [statement*] {     common match gs@base gs@type,statement     \{         irp type,gs@type         \\{             struc type [v=?] \\\{ \\\common . gs@base v \\\}             macro type [v=?] \\\{ \\\common gs@base v \\\}             virtual at 0                 gs@base ?                 sizeof.\\#type=$             end virtual         \\}     \} }

 

 

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