鍦ㄦ墍鏈夌殑棰勫鐞嗘寚浠や腑錛?Pragma 鎸囦護(hù)鍙兘鏄渶澶嶆潅鐨勪簡錛屽畠鐨勪綔鐢ㄦ槸璁懼畾緙栬瘧鍣ㄧ殑鐘舵佹垨鑰呮槸鎸囩ず緙栬瘧鍣ㄥ畬鎴愪竴浜涚壒瀹氱殑鍔ㄤ綔銆?pragma鎸囦護(hù)瀵規(guī)瘡涓紪璇戝櫒緇欏嚭浜嗕竴涓柟娉?鍦ㄤ繚鎸佷笌C鍜孋++璇█瀹屽叏鍏煎鐨勬儏鍐典笅,緇欏嚭涓繪満鎴栨搷浣滅郴緇熶笓鏈夌殑鐗瑰緛銆備緷鎹畾涔?緙栬瘧鎸囩ず鏄満鍣ㄦ垨鎿嶄綔緋葷粺涓撴湁鐨?涓斿浜庢瘡涓紪璇戝櫒閮芥槸涓嶅悓鐨勩?br>鍏舵牸寮忎竴鑸負(fù): #Pragma Para
鍏朵腑Para 涓哄弬鏁幫紝涓嬮潰鏉ョ湅涓浜涘父鐢ㄧ殑鍙傛暟銆?br>
(1)message 鍙傛暟銆?Message 鍙傛暟鏄垜鏈鍠滄鐨勪竴涓弬鏁幫紝瀹冭兘澶熷湪緙栬瘧淇℃伅杈撳嚭紿?br>鍙ｄ腑杈撳嚭鐩稿簲鐨勪俊鎭紝榪欏浜庢簮浠ｇ爜淇℃伅鐨勬帶鍒舵槸闈炲父閲嶈鐨勩傚叾浣跨敤鏂規(guī)硶涓猴細(xì)
#Pragma message(“娑堟伅鏂囨湰”)
褰撶紪璇戝櫒閬囧埌榪欐潯鎸囦護(hù)鏃跺氨鍦ㄧ紪璇戣緭鍑虹獥鍙ｄ腑灝嗘秷鎭枃鏈墦鍗板嚭鏉ャ?br>褰撴垜浠湪紼嬪簭涓畾涔変簡璁稿瀹忔潵鎺у埗婧愪唬鐮佺増鏈殑鏃跺欙紝鎴戜滑鑷繁鏈夊彲鑳介兘浼?xì)蹇樿鏈夋病鏈夋纭殑璁揪|繖浜涘畯錛屾鏃舵垜浠彲浠ョ敤榪欐潯鎸囦護(hù)鍦ㄧ紪璇戠殑鏃跺欏氨榪涜媯鏌ャ傚亣璁炬垜浠笇鏈涘垽鏂嚜宸辨湁娌℃湁鍦ㄦ簮浠ｇ爜鐨勪粈涔堝湴鏂瑰畾涔変簡_X86榪欎釜瀹忓彲浠ョ敤涓嬮潰鐨勬柟娉?br>#ifdef _X86
#Pragma message(“_X86 macro activated!”)
#endif
褰撴垜浠畾涔変簡_X86榪欎釜瀹忎互鍚庯紝搴旂敤紼嬪簭鍦ㄧ紪璇戞椂灝變細(xì)鍦ㄧ紪璇戣緭鍑虹獥鍙ｉ噷鏄劇ず“_
X86 macro activated!”銆傛垜浠氨涓嶄細(xì)鍥犱負(fù)涓嶈寰楄嚜宸卞畾涔夌殑涓浜涚壒瀹氱殑瀹忚屾姄鑰蟲尃鑵簡
銆?br>
(2)鍙︿竴涓嬌鐢ㄥ緱姣旇緝澶氱殑pragma鍙傛暟鏄痗ode_seg銆傛牸寮忓錛?br>#pragma code_seg( ["section-name"[,"section-class"] ] )
瀹冭兘澶熻緗▼搴忎腑鍑芥暟浠ｇ爜瀛樻斁鐨勪唬鐮佹錛屽綋鎴戜滑寮鍙戦┍鍔ㄧ▼搴忕殑鏃跺欏氨浼?xì)鋴社敤鍒板畠銆?br>
(3)#pragma once (姣旇緝甯哥敤錛?br>鍙鍦ㄥご鏂囦歡鐨勬渶寮濮嬪姞鍏ヨ繖鏉℃寚浠ゅ氨鑳藉淇濊瘉澶存枃浠惰緙栬瘧涓嬈★紝榪欐潯鎸囦護(hù)瀹為檯涓婂湪VC6涓氨宸茬粡鏈変簡錛屼絾鏄冭檻鍒板吋瀹規(guī)у茍娌℃湁澶鐨勪嬌鐢ㄥ畠銆?br>
(4)#pragma hdrstop琛ㄧず棰勭紪璇戝ご鏂囦歡鍒版涓烘錛屽悗闈㈢殑澶存枃浠朵笉榪涜棰勭紪璇戙侭CB鍙互棰勭紪璇戝ご鏂囦歡浠ュ姞蹇摼鎺ョ殑閫熷害錛屼絾濡傛灉鎵鏈夊ご鏂囦歡閮借繘琛岄緙栬瘧鍙堝彲鑳藉崰澶紓佺洏絀洪棿錛屾墍浠ヤ嬌鐢ㄨ繖涓夐」鎺掗櫎涓浜涘ご鏂囦歡銆?
鏈夋椂鍗曞厓涔嬮棿鏈変緷璧栧叧緋伙紝姣斿鍗曞厓A渚濊禆鍗曞厓B錛屾墍浠ュ崟鍏傿瑕佸厛浜庡崟鍏傾緙栬瘧銆備綘鍙互鐢?pragma startup鎸囧畾緙栬瘧浼樺厛綰э紝濡傛灉浣跨敤浜?pragma package(smart_init) 錛孊CB灝變細(xì)鏍規(guī)嵁浼樺厛綰х殑澶у皬鍏堝悗緙栬瘧銆?
(5)#pragma resource "*.dfm"琛ㄧず鎶?.dfm鏂囦歡涓殑璧勬簮鍔犲叆宸ョ▼銆?.dfm涓寘鎷獥浣?br>澶栬鐨勫畾涔夈?
(6)#pragma warning( disable : 4507 34; once : 4385; error : 164 )
絳変環(huán)浜庯細(xì)
#pragma warning(disable:4507 34) // 涓嶆樉紺?507鍜?4鍙瘋鍛婁俊鎭?br>#pragma warning(once:4385) // 4385鍙瘋鍛婁俊鎭粎鎶ュ憡涓嬈?br>#pragma warning(error:164) // 鎶?64鍙瘋鍛婁俊鎭綔涓轟竴涓敊璇?br>鍚屾椂榪欎釜pragma warning 涔熸敮鎸佸涓嬫牸寮忥細(xì)
#pragma warning( push [ ,n ] )
#pragma warning( pop )
榪欓噷n浠ｈ〃涓涓鍛婄瓑綰?1---4)銆?br>#pragma warning( push )淇濆瓨鎵鏈夎鍛婁俊鎭殑鐜版湁鐨勮鍛婄姸鎬併?br>#pragma warning( push, n)淇濆瓨鎵鏈夎鍛婁俊鎭殑鐜版湁鐨勮鍛婄姸鎬侊紝騫朵笖鎶婂叏灞璀﹀憡
絳夌駭璁懼畾涓簄銆?
#pragma warning( pop )鍚戞爤涓脊鍑烘渶鍚庝竴涓鍛婁俊鎭紝鍦ㄥ叆鏍堝拰鍑烘爤涔嬮棿鎵浣滅殑
涓鍒囨敼鍔ㄥ彇娑堛備緥濡傦細(xì)
#pragma warning( push )
#pragma warning( disable : 4705 )
#pragma warning( disable : 4706 )
#pragma warning( disable : 4707 )
//.......
#pragma warning( pop )
鍦ㄨ繖孌典唬鐮佺殑鏈鍚庯紝閲嶆柊淇濆瓨鎵鏈夌殑璀﹀憡淇℃伅(鍖呮嫭4705錛?706鍜?707)銆?br>錛?錛塸ragma comment(...)
璇ユ寚浠ゅ皢涓涓敞閲婅褰曟斁鍏ヤ竴涓璞℃枃浠舵垨鍙墽琛屾枃浠朵腑銆?br>甯哥敤鐨刲ib鍏抽敭瀛楋紝鍙互甯垜浠繛鍏ヤ竴涓簱鏂囦歡銆?
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_stdcall 鏄疭tandard Call鐨勭緝鍐欙紝鏄疌++鐨勬爣鍑嗚皟鐢ㄦ柟寮忥細(xì)鎵鏈夊弬鏁頒粠鍙沖埌宸︿緷嬈″叆鏍堬紝濡傛灉鏄皟鐢ㄧ被鎴愬憳鐨勮瘽錛屾渶鍚庝竴涓叆鏍堢殑鏄痶his鎸囬拡銆傝繖浜涘爢鏍堜腑鐨勫弬鏁扮敱琚皟鐢ㄧ殑鍑芥暟鍦ㄨ繑鍥炲悗娓呴櫎錛屼嬌鐢ㄧ殑鎸囦護(hù)鏄?retn X錛孹琛ㄧず鍙傛暟鍗犵敤鐨勫瓧鑺傛暟錛孋PU鍦╮et涔嬪悗鑷姩寮瑰嚭X涓瓧鑺傜殑鍫嗘爤絀洪棿銆傜О涓鴻嚜鍔ㄦ竻鏍堛傚嚱鏁板湪緙栬瘧鐨勬椂鍊欏氨蹇呴』紜畾鍙傛暟涓暟錛屽茍涓旇皟鐢ㄨ呭繀欏諱弗鏍肩殑鎺у埗鍙傛暟鐨勭敓鎴愶紝涓嶈兘澶氾紝涓嶈兘灝戯紝鍚﹀垯榪斿洖鍚庝細(xì)鍑洪敊銆?br>
PASCAL 鏄疨ascal璇█鐨勫嚱鏁拌皟鐢ㄦ柟寮忥紝涔熷彲浠ュ湪C/C++涓嬌鐢紝鍙傛暟鍘嬫爤欏哄簭涓庡墠涓よ呯浉鍙嶃傝繑鍥炴椂鐨勬竻鏍堟柟寮忓繕璁頒簡銆傘傘?br>
_fastcall 鏄紪璇戝櫒鎸囧畾鐨勫揩閫熻皟鐢ㄦ柟寮忋傜敱浜庡ぇ澶氭暟鐨勫嚱鏁板弬鏁頒釜鏁板緢灝戯紝浣跨敤鍫嗘爤浼犻掓瘮杈冭垂鏃躲傚洜姝fastcall閫氬父瑙勫畾灝嗗墠涓や釜錛堟垨鑻ュ共涓級鍙傛暟鐢卞瘎瀛樺櫒浼犻掞紝鍏朵綑鍙傛暟榪樻槸閫氳繃鍫嗘爤浼犻掋備笉鍚岀紪璇戝櫒緙栬瘧鐨勭▼搴忚瀹氱殑瀵勫瓨鍣ㄤ笉鍚屻傝繑鍥炴柟寮忓拰_stdcall鐩稿綋銆?br>
_thiscall 鏄負(fù)浜嗚В鍐崇被鎴愬憳璋冪敤涓璽his鎸囬拡浼犻掕岃瀹氱殑銆俖thiscall瑕佹眰鎶妕his鎸囬拡鏀懼湪鐗瑰畾瀵勫瓨鍣ㄤ腑錛岃瀵勫瓨鍣ㄧ敱緙栬瘧鍣ㄥ喅瀹氥俈C浣跨敤ecx錛孊orland鐨凜++緙栬瘧鍣ㄤ嬌鐢╡ax銆傝繑鍥炴柟寮忓拰_stdcall鐩稿綋銆?br>
_fastcall 鍜?_thiscall娑夊強(qiáng)鐨勫瘎瀛樺櫒鐢辯紪璇戝櫒鍐沖畾錛屽洜姝や笉鑳界敤浣滆法緙栬瘧鍣ㄧ殑鎺ュ彛銆傛墍浠indows涓婄殑COM瀵硅薄鎺ュ彛閮藉畾涔変負(fù)_stdcall璋冪敤鏂瑰紡銆?br>
C涓笉鍔犺鏄庨粯璁ゅ嚱鏁頒負(fù)_cdecl鏂瑰紡錛圕涓篃鍙兘鐢ㄨ繖縐嶆柟寮忥級錛孋++涔熶竴鏍鳳紝浣嗘槸榛樿鐨勮皟鐢ㄦ柟寮忓彲浠ュ湪IDE鐜涓緗?br>
甯︽湁鍙彉鍙傛暟鐨勫嚱鏁板繀欏諱笖鍙兘浣跨敤_cdecl鏂瑰紡錛屼緥濡備笅闈㈢殑鍑芥暟:
int printf(char * fmtStr, ...);
int scanf(char * fmtStr, ...);
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