锘??xml version="1.0" encoding="utf-8" standalone="yes"?> 涔嬪墠鎴戜竴鐩磋閿欒澶勭悊鏄痥l閲岀殑杞倠錛岀敱浜庝竴鐩村湪鍏蟲敞涓浜涘叿浣撳姛鑳界殑鏀硅繘錛屼篃娌℃湁瀵?br>榪欐柟闈㈣繘琛屾敼鍠勩?
鎴戣繖閲屾墍璇寸殑閿欒澶勭悊錛屽寘鎷璦鏈韓鍜屼綔涓哄簱鏈韓涓ゆ柟闈€?br> 璇█鏈韓鎸囩殑鏄浜庤剼鏈唬鐮侀噷鐨勫悇縐嶈娉曢敊璇佽繍琛屾椂閿欒絳夌殑澶勭悊銆傚ソ鐨勫鐞嗗簲璇?br>涓嶄粎浠呭彲浠ユ姤鍛婇敊璇紝鑰屼笖榪樿兘蹇借閿欒璁╁鐞嗚繃紼嬬戶緇?br> 鑰屾妸kl瑙i噴鍣ㄤ綔涓轟竴涓簱浣跨敤鏃訛紝搴撴湰韜篃搴旇瀵逛竴浜涢敊璇儏鍐佃繘琛屾姤鍛娿?
鏁翠綋涓婏紝kl綆鍗曞湴閫氳繃鍥炶皟鍑芥暟鎸囬拡鏉ユ妸閿欒淇℃伅浼犵粰搴撶殑搴旂敤灞傘傝屽洜涓烘垜甯屾湜鏁翠釜 鍙︿竴鏂歸潰錛岃璦鏈韓鍦ㄥ鐞嗛敊璇殑鑴氭湰浠g爜鏃訛紝閿欒鍒嗕負鍑犲ぇ綾誨瀷灞傛錛?br> 1.璇嶆硶閿欒 lex error錛屽鎵弿瀛楃涓插嚭閿?br> 2.璇硶閿欒 syntax error錛屾暣鐞嗚娉曟爲鏃跺嚭閿?br> 3.榪愯鏃墮敊璇?runtime error錛屽湪瑙i噴鎵ц浠g爜鏃跺嚭閿?br> 4.搴撻敊璇?lib error錛屽彂鐢熷湪kllib榪欎釜bridge灞傜殑閿欒 榪欓噷鏈楹葷儲鐨勬槸璇硶閿欒鐨勫鐞嗐傚洜涓鴻娉曞垎鏋愭椂鍙戠敓閿欒鐨勫彲鑳芥ф渶澶э紝閿欒綾誨瀷涔?br>鏈夊緢澶氥備緥濡備綘灝戝啓浜嗗垎鍙鳳紝灝戝啓浜嗘嫭鍙鳳紝閮戒細瀵艱嚧閿欒銆傝繖涓樁孌靛彂鐢熼敊璇笉浠呰姹傝兘鍑?br>紜姤鍛婇敊璇紝榪橀渶瑕佸拷鐣ラ敊璇鏁翠釜榪囩▼灝介噺姝g‘鍦頒笅鍘匯?
璇硶鍒嗘瀽闃舵鏈鏍規湰鐨勫氨鏄鍙鋒帹瀵鹼紙鍗曞氨kl鐨勫疄鐜拌岃█錛夛紝鎵璋撶殑絎﹀彿鎺ㄥ鏄繖鏍蜂竴 涓婇潰瀹屾垚浜嗛敊璇殑媯嫻嬨傚浜庨敊璇殑蹇界暐錛屾垨鑰呮洿楂樼駭鐐瑰湴瀵歸敊璇殑鏍℃錛宬l涓鐞嗗緱 閿欒淇℃伅涓瘮杈冮噸瑕佺殑榪樻湁琛屽彿淇℃伅銆備箣鍓峩l榪欐柟闈竴鐩村瓨鍦˙UG錛屾垜鍦ㄥ啓璐铔囦緥瀛?br>鐨勬椂鍊欐瘡嬈℃柊鍔犱唬鐮侀兘涓嶆暍鍔犲お澶氥傚洜涓鴻В閲婂櫒鎶ュ憡鐨勯敊璇鍙鋒繪槸閿欒鐨勶紝鎴戝彧鑳介潬鏈夋病 浣嗘槸涔嬪墠瑙i噴鍣ㄦ姤鍛婄殑琛屽彿濮嬬粓寰堣寮傘傜棁緇撳湪浜庢垜鍦ㄨ澆鍏ヨ剼鏈唬鐮佹枃浠舵椂錛屼互rb鏂瑰紡 浣嗘槸瀵逛簬windows錛岃繖閲屽氨鐩存帴灝嗚鍙峰鍔犱簡涓ゆ錛屾墍浠ヤ篃灝卞鑷翠簡琛屽彿鍑洪敊鐨勯棶棰樸傛煡 浠g爜鏀瑰悗錛屽張鍑洪棶棰樸傝繖涓椂鍊欙紝閫氳繃fseek鍜宖tell鑾峰彇鍒扮殑鏂囦歡灝哄錛岃矊浼煎寘鎷簡 鍚屾牱錛屾渶鏂頒唬鐮佸彲浠ヤ粠google SVN鑾峰彇銆傚綋鐒訛紝鎴戜篃鍦ㄨ冭檻鏄惁鎹竴涓柊鐨勯」鐩湴鍧銆? 璨屼技鏈榪慍PPBLOG鍐欎竴闂ㄨ剼鏈璦姣旇緝嫻佽錛岃繛鎴戣繖縐嶅北瀵ㄧ▼搴忓憳閮芥悶鍑轟竴涓儚C鍙堝儚 HGE鎻掍歡鎴戝彧port浜嗛儴鍒嗘帴鍙o紝涔熷氨鏄敞鍐屼簡涓閮ㄥ垎鍑芥暟鍒拌剼鏈噷錛屾彁渚涘熀鏈殑璐村浘鍔?br>鑳姐傦紙port--鎴戝疄鍦ㄦ壘涓嶅埌涓涓悎閫傜殑璇嶈鏉ュ艦瀹硅繖縐嶈涓?--HGE鍒頒竴闂ㄨ剼鏈璦閲岋紝鎴戜技 涓嶇煡閬撴湁娌″繀瑕佹彁渚涜椽椋熻泧鐨勫疄鐜扮畻娉曪紝榪欎技涔庤鍑烘潵鏈夌偣寮辨櫤銆? - 涓嶈繃涓轟簡鏂逛究鍒?br>浜洪槄璇籯l鑴氭湰浠g爜錛屾垜榪樻槸紼嶅井璁蹭竴涓嬨傛父鎴忎腑浣跨敤涓涓簩緇存暟緇勪繚瀛樻暣涓父鎴忓尯鍩燂紝鎵璋?br>鐨勬父鎴忓尯鍩熷氨鏄泧鍙互媧誨姩鍒扮殑鍦版柟銆傛瘡涓涓簩緇存暟緇勫厓绱犲搴旀父鎴忓尯鍩熶腑鐨勪竴涓牸瀛愶紝濮?br>涓旂О涓簍ile銆傛瘡涓猼ile鏈変竴涓暣鏁板艱〃紺哄叾灞炴э紝濡侭ODY銆乄ALL銆丗OOD銆丯ONE銆傝泧浣撶殑縐誨姩 铏界劧鎴戝啓浜唊l榪欎釜鑴氭湰璇█錛屼絾鏄璦鐗規у茍涓嶆槸鎴戣璁$殑銆傛垜鍙槸鍙栦簡C璇█鐨勪竴浜?br>鐗規с傛墍浠ュ湪鍐欒繖涓猻ample鐨勬椂鍊欙紝鎴戝浜巏l榪欎釜鑴氭湰璇█鐨勬劅瑙夛紝灝辨槸涓涓儚basic鐨凜銆?br>鍥犱負瀹冨お鍗曚竴錛屽氨鍍廈ASIC涓鏍峰彧鎷ユ湁璇█鐨勪竴浜涘熀鏈姛鑳斤紝涓嶈兘瀹氫箟澶嶆潅鐨勭粨鏋勶紝娌℃湁澶?br>鐢熺殑瀵瑰悇縐嶆暟鎹粨鏋勭殑鏀寔錛堜緥濡傛煇浜涜璦鐩存帴鏈塴ist, tuple涔嬬被錛夈?
浠ュ墠涓鐨勬椂鍊欏湪鐢靛瓙璇嶅吀涓婄敤GVBASIC鍐欏皬娓告垙錛屽綋鏃墮櫎浜咮ASIC浠涔堜篃涓嶇煡閬撱備粖澶?br>鍐欒繖涓椽椋熻泧渚嬪瓙錛屾劅瑙夊氨鍍忎互鍓嶇敤BASIC銆?
鍥炲ご璇磋涓浜沰l鑴氭湰閲岀殑鐗規с備粠榪欎釜渚嬪瓙閲岋紙瑙佷笅杞藉寘閲岀殑snake.kl錛夛紝璇稿while錛?br>for錛宨f...else if...琚敮鎸侊紙涔嬪墠鍙戝竷鐨勭増鏈噷榪樹笉鏀寔for鍜宔lse if錛夈傚叏灞鍙橀噺鏀寔 浣嗘槸錛屼粛鏈変竴浜涚壒鎬у湪鎴戠殑鎳掓儼涔嬩笅琚疆涔嬩笉鐞嗐備緥濡俽eturn鍚庡繀欏昏窡涓涓〃杈懼紡錛岃繖 鏈榪戞帴瑙︿簡寰堝UNIX鍜孏NU涔嬬被鐨勪笢瑗匡紝鍙戣娌℃湁鎻愪緵鐗堟潈璇存槑鐨?#8216;寮婧?#8217;錛屽師鏉ラ兘鏄吉 涓嬭澆渚嬪瓙錛屽寘鍚剼鏈唬鐮併?
濡傛灉瑕佽幏鍙杒l瀹炵幇浠g爜錛屽緩璁粠鎴戝湪google鐨凷VN鑾峰彇錛?br>http://code.google.com/p/klcommon/ 鑴氭湰涓嶤璇█浜や簰
榪欏叾瀹炴槸榪欎竴緋誨垪鐨勬渶鍚庝竴綃囷紝鍥犱負鎴戣寰楁病浠涔堝叾浠栭渶瑕佸啓鐨勪簡銆?br> 涓鑸岃█錛岃剼鏈璦鍚孋璇█浜や簰錛屽寘鎷湪C璇█涓敞鍐孋鍑芥暟鍒拌剼鏈紝浠庤屾墿灞曡剼鏈殑 闈欐佹彃浠?/strong>
闈欐佹彃浠跺叾鎰忔濇槸鍦–浠g爜涓敞鍐屽嚱鏁板埌鑴氭湰涓紝騫墮殢鑴氭湰搴撲竴璧風紪璇戦摼鎺ユ垚鏈緇堟墽琛?br>紼嬪簭銆傚洜涓哄叾緇戝畾鏄湪寮鍙戜竴涓▼搴忕殑榪囩▼涓紝鎵浠ヨ縐頒負闈欐佺殑銆?br> 涓涓彃浠跺嚱鏁幫紝鎸囩殑鏄彲浠ヨ娉ㄥ唽榪涜剼鏈殑C鍑芥暟銆傝繖縐嶅嚱鏁板繀欏誨師鍨嬩竴鏍鳳紝鍦╧l涓繖 鍘熺悊姣旇緝綆鍗曪細鍦ㄨВ閲婂櫒涓繚瀛樼潃涓涓彃浠剁鍙瘋〃錛岃絎﹀彿琛ㄧ殑絎﹀彿鍚嶅氨鏄繖涓嚱鏁版彁 鎻掍歡鍑芥暟鐨勫弬鏁板叾瀹炴槸涓涓弬鏁伴摼琛ㄣ傝剼鏈噷璋冪敤鎻掍歡鍑芥暟鏃訛紝鎵浼犻掔殑鍙傛暟灝嗚瑙i噴 鍔ㄦ佹彃浠?/strong>
鍔ㄦ佹彃浠跺悓闈欐佹彃浠剁殑榪愪綔鏂瑰紡鐩稿悓錛屾墍涓嶅悓鐨勬槸鍔ㄦ佹彃浠剁殑鎻掍歡鍑芥暟琚斁鍦ㄥ姩鎬佽繍琛?br>鏃跺簱閲岋紝渚嬪windows涓嬬殑dll銆?br> kl鎻掍歡緙栧啓鏍囧噯閲岃姹傛瘡涓姩鎬佹彃浠跺繀欏繪彁渚涗竴涓猯ib_open鍑芥暟銆俴l瑙i噴鍣紙鎴栬卥l搴?br>--褰撹鐢ㄤ綔搴撴椂錛夎澆鍏ヤ竴涓姩鎬佹彃浠舵椂錛屼細鐩存帴璋冪敤lib_open鍑芥暟銆俵ib_open鍑芥暟鐨勪富瑕佺洰 鍥犱負鍔ㄦ佹彃浠跺湪璁捐涔嬪垵娌℃湁琚冭檻錛屾墍浠ユ垜騫舵病鏈変負kl鍔犲叆涓浜涘師鐢熺殑鍏抽敭瀛楃敤浜庡 C紼嬪簭閲岃皟鐢ㄨ剼鏈嚱鏁?/strong>
榪欎釜姣旇緝綆鍗曪紝閫氬父C璇█鎯寵皟鐢ㄤ竴涓剼鏈嚱鏁版椂錛屼細浼犲叆鑴氭湰鍑芥暟鍚嶃傚洜涓鴻剼鏈嚱鏁板悕 浠g爜瀵艱
kllib.h/kllib.c浣滀負涓涓ˉ鎺ュ眰錛岀敤浜庡皝瑁呭叾浠栨ā鍧楀彲浠ユ彁渚涚粰澶栭儴妯″潡浣跨敤鐨勬帴鍙o紝 瑙i噴鍣?/strong>
鏁寸悊鍑鴻娉曟爲鍚庯紝鎴戜滑灝卞彲浠ユ牴鎹娉曟爲錛屽茍閰嶅悎絎﹀彿琛ㄥ紑濮嬭В閲婃墽琛岃剼鏈唬鐮併傝繖灝?br>鏄帴涓嬫潵瑕佹秹鍙婂埌鐨勮В閲婂櫒銆?
宸ヤ綔鍘熺悊
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鍑芥暟涓昏鏈変袱澶х被鍨嬶細鑴氭湰鍐呭畾涔夌殑鍑芥暟浠ュ強鎻掍歡娉ㄥ唽榪涚鍙瘋〃鐨勫嚱鏁般傛棤璁烘槸鍝鍑?br>鏁幫紝閮戒細鍦ㄧ鍙瘋〃涓緩绔嬪搴旂殑絎﹀彿銆傚浜庡墠鑰咃紝絎﹀彿琚繚瀛樹簬鍏ㄥ眬絎﹀彿琛紝鍏朵繚瀛樼殑鍐呭 姣忎竴嬈¤В閲婂櫒瑙i噴鍒頒竴涓嚱鏁拌皟鐢ㄨ妭鐐規椂錛屼細浼樺厛鍦ㄦ彃浠剁鍙瘋〃涓煡鎵捐鍑芥暟絎﹀彿銆傚 浠g爜瀵艱
瑙i噴鍣ㄧ殑浠g爜浣嶄簬klinterpret.h/klinterpret.c涓傛暣浣撲笂鑰岃█娌′粈涔堢壒鍒殑鍦版柟錛?br>涓昏鏄埄鐢ㄨ娉曟爲鐨勭壒鐐廣?br> 瀹屾垚浜嗚繖涓鑺傚悗錛宬l灝卞凡緇忓彲浠ヨВ閲婃墽琛屾墍鏈夌殑鑴氭湰璇彞銆傚綋鐒訛紝鍥犱負娌℃湁杈撳嚭鍔熻兘錛?br>鍙兘鍦ㄨ皟璇曞櫒閲岀湅鐪嬭綆楃粨鏋溿備笅涓鑺傞噷浼氳鍒板皢鑴氭湰緇撳悎榪汣璇█錛屼粠鑰屽彲浠ヨC璇█娉ㄥ唽 絎﹀彿琛?/strong>
鍦ㄤ笂涓鑺備腑錛屽綋鎴戜滑鐨勮В閲婂櫒瑙i噴鎵цage=age+1榪欎釜璇硶鏍戞椂錛屼細娑夊強鍒板彉閲廰ge鐨勫?br>銆傚疄闄呬笂鎴戜滑榪橀渶瑕佷釜淇濆瓨鑴氭湰涓浉鍏沖彉閲忕殑妯″潡錛屽綋鎴戜滑鐨勮В閲婂櫒鑾峰彇鍒頒竴涓狪D鏍戣妭鐐規椂 浠涔堟槸絎﹀彿琛紵
絎﹀彿琛?symbol table)灝卞鍚屽叾瀛楅潰鎰忔濅竴鏍鳳紝鏄竴涓〃錛屾洿瀹芥硾鍦拌鏄竴涓繚瀛樼鍙?br>鐨勫鍣ㄣ?br> 鑴氭湰涓濡傚彉閲忓嚱鏁頒箣綾葷殑涓滆タ閮界畻浣滅鍙鳳紝渚嬪age銆傜鍙瘋〃灝辨槸淇濆瓨榪欎簺絎﹀彿鐨勫 鍐嶆槑紜笅絎﹀彿琛ㄧ殑浣滅敤錛屼婦渚嬶紝鍦ㄤ笂涓鑺備腑錛屾秹鍙婂埌榪欎箞涓涓緥瀛愬嚱鏁幫細 絎﹀彿琛ㄧ殑瀹炵幇
鍏跺疄涓嶇絎﹀彿琛ㄥ浣曞疄鐜幫紝瀵逛簬鍏朵粬妯″潡鑰岃█錛屽絎﹀彿琛ㄧ殑鍞竴瑕佹眰灝辨槸鎻愪緵鍑犱釜綾諱技 鍦╧l涓紝浣跨敤浜?lt;緙栬瘧鍘熺悊涓庡疄璺?gt;涓浉鍚岀殑絎﹀彿琛ㄦ暟鎹粨鏋勫疄鐜般傚嵆浣跨敤浜唄ash琛紝 鍙︿竴鏂歸潰錛屽洜涓簁l鏀寔鍏ㄥ眬鍜屽嚱鏁板眬閮ㄤ袱涓綔鐢ㄥ煙銆傛墍浠l涓湁涓涓叏灞絎﹀彿琛紝鐢ㄤ簬 浠g爜瀵艱
kl涓殑絎﹀彿琛ㄥ疄鐜頒唬鐮佸湪klsymtab.h/klsymtab.c涓紝瀹炵幇姣旇緝綆鍗曪紝鏃犻渶澶氳█銆? 璇硶鍒嗘瀽
璇硶鍒嗘瀽鎺ユ敹璇嶆硶鍒嗘瀽闃舵鐨則oken闆嗗悎涓鴻緭鍏ワ紝灝嗚繖浜涙病鏈夊叧緋葷殑tokens鏁寸悊涓虹浉浜?br>涔嬮棿鏈夊叧緋葷殑緇撴瀯銆備功闈㈢偣鐨勮娉曞彨璇硶鏍戙?br> 姣忎竴嬈¤鎴戝啓榪欎簺鏂囩粔緇夌殑姒傚康鐪熻鎴戝彈涓嶄簡:D銆?
璇硶鏍?/strong>
璇硶鏍戠畝鍗曟潵璇村氨鏄竴涓互token浣滀負姣忎釜鑺傜偣鐨勬爲鍨嬬粨鏋勩備緥濡傛垜浠湁琛ㄨ揪寮廰ge = 鏁寸悊鎴愯繖鏍風殑緇撴瀯鏈変粈涔堝ソ澶勶紵灝眐l瑙i噴鍣ㄨ岃█錛屾渶鐩存帴鐨勫ソ澶勫氨鏄垜鍙互閫掑綊鍦拌В閲?br>榪欐5鏍戞墽琛屻備緥濡傦細
value compute( TreeNode *root ) value op_exp( TreeNode *node ) case CONST: 濡備綘鎵瑙侊紝褰撴垜浠畬鎴愪簡璇硶鍒嗘瀽闃舵錛屾垜浠氨鍙互瀹屾垚鎴戜滑鐨勮В閲婂櫒浜嗐傚悗闈㈡垜浼氬崟 濡備綍鏁寸悊鍑鴻娉曟爲錛?/strong>
榪欓噷涓嶅緱涓嶆彁鍒版墍璋撶殑BNF鏂囨硶錛屽緢鏄庢樉浣犺繕鏄棤娉曚粠鎴戣繖閲岃幏鍙栫紪璇戝師鐞嗛噷鏌愪釜姒傚康 閭d箞鏈変簡BNF涔嬪悗錛岃濡備綍鏁寸悊鍑鴻娉曟爲鍛紵 (鍙兘榪樹細娑夊強鍒癊BNF錛岀敤浜庡鐞嗛噸澶嶅拰閫夋嫨鐨勪竴浜涙儏鍐?--涓嶇敤綆¤繖鍙ヨ瘽)
姣忎竴涓嚱鏁板熀鏈笂閮戒細榪斿洖涓涓爲鑺傜偣錛屽綋鐒訛紝璇ヨ妭鐐逛笅鍙兘浼氭湁寰堝瀛愯妭鐐廣?nbsp;
鎬葷粨
璇硶鍒嗘瀽鍩烘湰涓婂氨鏄互涓婁俊鎭傚畠灝嗚瘝娉曞垎鏋愯緭鍑虹殑token闆嗗悎鏁寸悊鎴愪竴棰楄娉曟爲銆備負 浠g爜瀵艱
kl涓殑鏁翠釜璇硶鍒嗘瀽浠g爜浣嶄簬klparser.c/klparser.h涓紝鍏禕NF鍩烘湰涓婂彇鑷?lt;緙栬瘧鍘熺悊涓?br>瀹炶返>闄勫綍涓殑C_璇█銆?/font>
璇嶆硶鍒嗘瀽
璇嶆硶鍒嗘瀽灞炰簬鏁翠釜緙栬瘧嫻佺▼涓殑絎竴涓樁孌點備負浠涔堣鎶婄紪璇戣繃紼嬪垎涓哄涓樁孌碉紝榪欏氨 浠涔堟槸璇嶆硶鍒嗘瀽?
璇嶆硶鍒嗘瀽灝辨槸鎶婁竴孌佃瘽鏁寸悊鎴愬崟璇嶉泦鍚堛備婦涓畝鍗曠殑渚嬪瓙錛屼緥濡傛湁浠g爜:age = age + 1;錛?br>緇忚繃璇嶆硶鍒嗘瀽鍚庯紝灝嗗緱鍒幫細age銆?銆乤ge銆?銆?銆?鍑犱釜絎﹀彿銆備負浜嗘柟渚匡紝鎴戠О姣忎釜鍗曡瘝涓轟竴 璇嶆硶鍒嗘瀽鐨勪綔鐢?/strong>
璇嶆硶鍒嗘瀽鍒嗘瀽鍑烘潵鐨勫崟璇嶉泦鍚堬紝鐩存帴浣滀負緙栬瘧嫻佺▼涓帴涓嬫潵鐨勮娉曞垎鏋愮殑杈撳叆銆傞偅涔堣 璇嶆硶鍒嗘瀽鐨勮繃紼?/strong>
璇嶆硶鍒嗘瀽鐨勮緭鍏ユ槸鍗曚釜瀛楃嫻侊紝涓鑸垜浠琭open涓涓簮浠g爜鏂囦歡錛屼繚瀛樺湪涓涓猚har緙撳瓨 瀵逛簬type鐨勫鐞嗭紝閫氬父浼氫簨鍏堝畾涔変竴緇勬灇涓懼鹼紝渚嬪錛?br> enum { ID, NUM, STRING, IF, ELSE, WHILE, RETURN, FUNCTION }絳夌瓑鐢ㄤ簬鏍囩ず 铏界劧璇磋瘝娉曞垎鏋愮殑緇撴灉鏄竴涓猼oken闆嗗悎錛屼絾浜嬪疄涓婃垜浠茍涓嶆槸涓嬈″仛瀹岃瘝娉曞垎鏋愩傞氬父 閭d箞錛岃瘝娉曞垎鏋愯濡備綍瀹炵幇錛熶篃灝辨槸struct Token get_token()鍑芥暟濡備綍瀹炵幇錛熷叾瀹炲緢 case '=': ... 鐜板湪錛岃瘯鐫鍘繪葷粨涓闂ㄨ璦閲岀殑姣忎竴涓猼oken鐨勮鍒欙紝鐒跺悗鑷繁鍘誨啓鍐欑湅銆?
浠g爜瀵艱
鍦ㄦ湰鑺傛垜灝嗘彁渚沰l鍦╣ooglecode鐨凷VN涓婄殑浠g爜錛屽厛涓嶈鍘葷浠g爜鍖呬腑鐨勫叾浠栦笢瑗褲傚叧浜?br>璇嶆硶鐨勪唬鐮佸彲浠ュ湪kllex.c kllex.h涓壘鍒般俵ex_token鏄彁渚涚粰鍏朵粬妯″潡鐨勬帴鍙o紝鐢ㄤ簬鑾峰彇 涓嬭澆kl婧愪唬鐮侊細http://klcommon.googlecode.com/files/kllan_0.1.0.zip 璇█鐗規?/strong>
鍦ㄦ寮忚璁哄疄鐜扮粏鑺傚墠鏄庣‘涓嬭繖涓剼鏈璦鐨勪竴浜涜璦鐗規э紝鍩烘湰涓婂彲浠ヨ鎴戜滑棰勮灝?br>鏉ヤ細閬囧埌鍝簺闅鵑銆傛葷殑鏉ヨ錛屽畠錛堣剼鏈級灝嗗悓鎴戜滑騫蟲椂鎺ヨЕ鐨勫lua涓鏍風殑鑴氭湰璇█錛氭嫢 浠ヤ笅鍦ㄦ弿榪版垜鍐欑殑榪欎釜鑴氭湰璇█鏃訛紝灝嗕互kl琛ㄧず瀹冪殑鍚嶅瓧錛屼互鏂逛究鎻忚堪銆?
浠g爜鍧楋細
棣栧厛浠庢暣浣撻鏍間笂錛宬l濡傚悓C璇█涓鏍瘋鍒掑垎涓哄嚱鏁板潡錛屽錛?br> function func1() 鍙橀噺錛?/strong>
kl鍏佽浣犲湪浠諱綍鍦版柟浣跨敤涓涓彉閲忋傚彉閲忎笉闇瑕佷簨鍏堝畾涔夛紝浠諱綍鍦版柟鍑虹幇涓涓悎 榪愮畻絎︼細
kl鏀寔涓鑸殑C璇█椋庢牸鐨勭畻鏈佹瘮杈冦侀昏緫榪愮畻絎︺備緥濡傚姞鍑忎箻闄ゃ佸ぇ浜庡皬浜庛侀昏緫 浣滅敤鍩燂細
kl鑴氭湰閲屽彧鏈変袱涓綔鐢ㄥ煙錛氬叏灞鐨勫拰灞閮ㄧ殑銆?br> 浣嶄簬鎵鏈夊嚱鏁板潡澶栫殑鍙橀噺澶勪簬鍏ㄥ眬浣滅敤鍩燂紱浣嶄簬鍑芥暟鍐呯殑鍙橀噺澶勪簬灞閮ㄤ綔鐢ㄥ煙錛屼綅浜庡嚱 鎺у埗璇彞if錛?br> if鐨勮娉曞悓C璇█涓鏍鳳紝濡傦細 鎺у埗璇彞while:
c-like while: 鍑芥暟錛?/strong>
寰堥仐鎲撅紝鍑芥暟鐨勫畾涔夊拰璋冪敤鍜孋璇█鏈夌偣涓嶄竴鏍楓傝繖鏄洜涓簁l娌℃湁鍙橀噺綾誨瀷錛岄偅灝辨剰鍛?br>鐫鍑芥暟瀹氫箟濡傛灉鍜孋璇█涓鏍鳳紝灝變細鍑虹幇璇硶姝т箟錛屽錛?br> func( a ) 鏁扮粍錛?/strong>
浠庝竴寮濮嬫垜灝辨病鑰冭檻涓簁l鍔犲叆鏁扮粍銆備簨瀹炶瘉鏄庡姞鍏ユ暟緇勬槸涓涓笉鏄庢櫤鐨勫仛娉曘傛暟緇勭殑鏀?br>鎸佽浠g爜鍦ㄥ緢澶氬湴鏂瑰彉寰楄剰涔便傛棤璁哄浣曪紝kl鍚庢潵鏀寔涓緇存暟緇勪簡銆備負浜嗚浠g爜淇濇寔閭d箞涓 璇█鐗規т笂灝辨弿榪拌繖浜涳紝鍦ㄦ湰鑺傛湯灝炬垜鍐沖畾璐翠竴孌祂l璁$畻闃朵箻鐨勪唬鐮侊細
/* fac.kl */ function fac( n ) 錛堢浉淇℃垜錛岃繖涓鑺傚叏鏄簾璇濄傦級 鎺ㄨ崘銆婄紪璇戝師鐞嗕笌瀹炶返銆?<Compiler Construction:Principles and Practice> 鍦ㄦ墍鏈夌殑鏂囩珷鍙戝竷鍚庯紝鎴戦兘鍙兘浼氬啀嬈′慨鏀廣備篃璁擱氳繃RSS鎴栬呮棩蹇楁棩鏈熶箣綾諱綘鍙互鑾?br>寰椾慨鏀規彁閱掋?
kl瀹炵幇鐨勫嚑灞傦紙璇嶆硶鍒嗘瀽銆佽娉曞垎鏋愩佺鍙瘋〃銆佽В閲婂櫒絳夛級鍙互灝藉彲鑳藉湴鐙珛銆備緥濡傝櫧鐒惰
娉曞垎鏋愪緷璧栦簬璇嶆硶鍒嗘瀽錛堜緷璧栦簬璇嶆硶鍒嗘瀽鎻愪緵鐨勬帴鍙o級錛屼絾鏄洜涓鴻瘝娉曞垎鏋愬茍涓嶅璇硶鍒嗘瀽
渚濊禆錛屾墍浠ュ畬鍏ㄥ彲浠ユ妸璇嶆硶鍒嗘瀽妯″潡鎷垮嚭鏉ュ崟鐙嬌鐢ㄣ傛墍浠ワ紝鍦ㄦ棩蹇楁柟闈紝鎴戝嚑涔庝負姣忎竴灞?br>閮介檮鍔犱簡涓猠rror_log鍑芥暟鎸囬拡銆?br> 鑰岀敤鎴峰眰鍦ㄩ氳繃kllib灞備嬌鐢ㄦ暣涓簱鏃訛紝浼犲叆鐨勫洖璋冨嚱鏁頒細琚棿鎺ュ湴浼犲埌璇嶆硶鍒嗘瀽灞傘?br>瀹為檯涓婏紝褰搆l浣滀負涓涓簱鏃訛紝kllib姝f槸鐢ㄤ簬妗ユ帴搴撴湰韜拰鐢ㄦ埛灞傜殑bridge銆?
kl鍦ㄦ姤鍛婇敊璇俊鎭椂錛屼細棣栧厛闄勫姞璇ラ敊璇槸浠涔堢被鍨嬬殑閿欒銆?
涓繃紼嬶紝渚嬪鏈夎祴鍊艱鍙ワ細a = 1;璇硶鍒嗘瀽鏃訛紝璇硶鍒嗘瀽鍣ㄥ笇鏈涳紙鎵璋撶殑鎺ㄥ錛夌瓑鍙峰悗闈細
鏄竴涓〃杈懼紡錛屽綋鍒嗘瀽瀹屼簡琛ㄨ揪寮忓悗錛屽張甯屾湜鎺ヤ笅鏉ョ殑絎﹀彿(token)鏄垎鍙蜂綔涓鴻璇彞鐨勭粨
鏉熴?br> 鎵浠ワ紝klparser.c涓殑syn_match姝f槸瀹屾垚榪欎釜榪囩▼銆傛瘡嬈′綘浼犲叆浣犲笇鏈涚殑絎﹀彿錛屼緥濡?br>鍒嗗彿錛岃鍑芥暟灝辨鏌ヨ瘝娉曞垎鏋愪腑褰撳墠絎﹀彿(token)鏄惁鏄垎鍙楓傚綋鐒訛紝瀵逛簬姝g‘鐨勮剼鏈唬鐮侊紝
瀹冩槸涓涓垎鍙鳳紝浣嗘槸濡傛灉鏄敊璇殑浠g爜錛宻yn_match灝變細鎵撳嵃璇稿錛?br> >>syntax error->unexpected token-> ....
鍗沖綋鍓嶇殑絎﹀彿鏄笉琚湡鏈涚殑銆?
姣旇緝綆鍗曪紝鍗籌細鐩存帴娑堣楁帀榪欎釜涓嶆槸鏈熸湜涓殑絎﹀彿銆備緥濡傦細
a = 1 /* 蹇樺姞浜嗗垎鍙?*/
b = 1;
涓婇潰涓ゅ彞浠g爜琚鐞嗘椂錛屽湪澶勭悊瀹宎=1鍚庯紝鍙戠幇褰撳墠鐨勭鍙?token)b(鏄竴涓狪D token)涓?br>鏄湡鏈?expect)涓殑鍒嗗彿錛岄鍏堟姤鍛奲涓嶆槸鏈熸湜鐨勭鍙鳳紝鐒跺悗kl鐩存帴鎺犺繃b錛岃幏鍙栦笅涓鍙?銆?br>鐒跺悗澶勭悊a=1榪欎釜榪囩▼緇撴潫銆傚綋鐒訛紝涓嬫澶勭悊鍏朵粬璇彞鏃訛紝鍙戠幇=絎﹀彿錛屽張浼氱戶緇彂鐢熼敊璇?
鏈夐敊璇潵鎵鵑敊璇紝鑰屼笉鑳介氳繃閿欒淇℃伅鎵鵑敊璇?br> 琛屽彿淇℃伅琚繚瀛樺湪璇嶆硶鍒嗘瀽鐘舵佷腑(lexState:lineno)錛岃娉曞垎鏋愪腑鑾峰彇token鏃訛紝浼氬彇
鍑哄綋鍓嶇殑琛屽彿錛屼繚瀛樺埌璇硶鏍戞爲鑺傜偣涓傚洜涓哄寘鎷В閲婃ā鍧楅兘鏄熀浜庢爲鑺傜偣鐨勶紝鎵浠ヨ瘝娉曞垎
鏋愯娉曞垎鏋愯В閲婂櫒涓夊眰閮藉彲浠ュ噯紜姤鍛婅鍙楓?
杞藉叆錛屽嵆浜岃繘鍒跺艦寮忋備簬鏄紝鍦╳indows涓嬶紝姣忚鏂囨湰灝鵑兘浼氭湁\r\n涓や釜瀛楃銆傝屽湪璇嶆硶鍒?br>鏋愰樁孌靛浜庤鍙風殑澧炲姞鏄細
case '\n':
case '\r':
ls->lineno ++;
涓嶅悓OS瀵逛簬鏂囨湰鏂囦歡鐨勬崲琛屾墍娣誨姞鐨勫瓧絎﹂兘涓嶄竴鏍鳳紝渚嬪windows鐢╘r\n錛寀nix緋葷敤\n
錛岃矊浼糓ac鐢╘r銆傛墍浠ワ紝璇嶆硶鍒嗘瀽榪欓噷鍐欏簲璇ュ彲浠ュ噯紜湴澶勭悊琛屽彿銆?
浜嗕笅鏂囨。錛屽彂鐜頒互鏂囨湰鏂瑰紡鎵撳紑鏂囦歡("r")錛岃皟鐢╢read鍑芥暟璇誨叆鏂囦歡鍐呭鏃訛紝灝變細鑷姩鎶?br>\r\n鏇挎崲涓篭n銆?
\r\n錛岃宖read鍑烘潵鐨勫唴瀹瑰嵈鍥犱負鏇挎崲\r\n涓篭n鑰屾病鏈夎繖涔堝銆?br> 涓嶈繃鏂囦歡杞藉叆涓嶅睘浜巏l搴撴湰韜紝kl鍙帴鏀朵互瀛楃涓插艦寮忚〃紺虹殑鑴氭湰浠g爜錛屾墍浠ヤ篃綆椾笉浜?br>鏍稿績闂銆?
BASIC鐨勬墍璋撹剼鏈璦錛屽彲瑙佸叾嫻佽紼嬪害銆?/font>
榪欎釜kl鑴氭湰渚嬪瓙錛屾槸涓涓叿鏈夊熀鏈姛鑳界殑璐铔囨父鎴忋傝繖涓緥瀛愪腑浣跨敤浜嗕袱涓彃浠訛細
HGE寮曟搸銆佷互鍙婁竴涓拠鑴氱殑浜岀淮鏁扮粍鎻掍歡銆傚洜涓簁l瀵逛簬鏁扮粍鐨勫疄鐜頒笉鏄偅涔堟紓浜紝鑰屾垜瀹炲湪
涓嶆兂鍥犱負鍔犲叆浜岀淮鏁扮粍鐨勬敮鎸佽岃浠g爜鐪嬭搗鏉ユ洿涔憋紝鎵浠ョ洿鎺ヤ笉鏀寔榪欎釜鐗規с傝冭檻鍒頒簩緇?br>鏁扮粍鐨勫簲鐢ㄥ湪涓浜涘皬娓告垙涓繕鏄瘮杈冮噸瑕侊紙渚嬪榪欎釜璐铔囷紝鎬婚渶瑕佷釜瀹瑰櫒鍘諱繚瀛樻父鎴忓尯鍩?br>鐨勫睘鎬э級錛屾墍浠ユ拠鑴氬湴鍔犱簡涓敮鎸乶umber鐨勪簩緇存暟緇勬彃浠躲?
涔庡仛榪囧嚑嬈★級
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涓築ODY錛岃岃泧灝懼垯鎶婄粡榪囩殑tile璁劇疆涓篘ONE銆傝泧澶寸殑縐誨姩鏂瑰悜闈犵帺瀹舵帶鍒訛紝姣忔铔囧ご杞集鏃?br>錛岄兘浼氳褰曚竴涓漿寮偣鍒頒竴涓槦鍒椼傝漿寮偣鍖呮嫭杞集XY鍧愭爣浠ュ強杞悜鐨勬柟鍚戙傝泧灝炬瘡嬈$Щ鍔?br>鏃墮兘浼氭鏌ユ槸鍚﹀埌杈句簡涓涓漿寮偣錛屾槸鐨勮瘽灝辮緗嚜宸辯殑縐誨姩鏂瑰悜涓鴻杞集鐐硅褰曠殑鏂瑰悜銆?
璧嬪垵鍊鹼紙涓婁釜鐗堟湰涓嶆敮鎸侊級銆傚綋鐒訛紝榪樻紨紺轟簡濡備綍浣跨敤鎻掍歡鍑芥暟銆?
鎰忓懗鐫鍗曠函鐨剅eturn;灝嗚瑙嗕負璇硶閿欒銆傚浜巌f( a && b )錛宬l浼氳綆楁墍鏈夌殑琛ㄨ揪寮忥紝鑰?br>鍒殑璇█涔熻浼氬湪a浼歠alse鍚庝笉璁$畻b錛岃繖涔熻涓嶇畻涓棶棰橈紝浣嗚搗鐮佹垜榪樻病淇銆傝繕鏈夛紝kl
鍐呴儴瀵逛簬閿欒鐨勬姤鍛婁緷鐒舵病琚慨澶嶏紝灝戞墦涓涓垎鍙蜂綘浼氬緱鍒頒竴緋誨垪閿欒鐨勬姤鍛婏紝浣嗘槸鍗存病鏈?br>鍑嗙‘鐨勮鍙楓傜敋鑷籌紝浣犱細鐪嬪埌瑙i噴鍣ㄥ穿鎺夈備笉瑕佺揣錛屽湪鎴戝績閲岋紝瀹冧綔涓哄綋騫寸數瀛愯瘝鍏鎬笂閭d釜
GVBASIC鑰岃█錛屽凡緇忓緢寮哄ぇ鐨勪簡銆?DD
寮婧愩傝櫧鐒舵垜涔熸兂鎸夌収GNU緙栫爜鏍囧噯閲屾墍璇翠負kl鐨勫彂甯冨寘閲岄檮鍔燙hangelog涔嬬被鐨勮鏄庯紝浣嗘槸
鍑轟簬鎳掓儼錛岃繕鏄互鍚庡啀璇村惂銆傚悓鏍鳳紝榪欐鎻愪緵鐨勪笅杞介噷鍖呭惈浜嗕竴浜涚紪璇戝ソ鐨勪笢瑗匡紝鎵浠ユ垜涓?br>淇濊瘉瀹冨湪浣犵殑鏈哄櫒涓婁緷鐒跺彲浠ヨ繍琛屻傛垜浣跨敤浜哅ingW鏉ョ紪璇戣繖浜涳紝騫朵笖鎻愪緵鏈夌偣涓戦檵鐨凪akefile銆?br>HGE浣跨敤浜?.81鐗堟湰銆?br> 璐村紶鍥劇粰鎳掑緱涓嬭澆鐨勪漢錛?
鍔熻兘錛屼互鍙婂湪C璇█涓皟鐢ㄨ剼鏈嚱鏁般?br> 涓轟簡鎵╁睍鑴氭湰鐨勫姛鑳斤紝榪欓噷寮曞叆鎻掍歡鐨勬蹇點俴l鍦ㄨ繖鏂歸潰澶ц嚧涓婂疄鐜板緱鍜宭ua鐩鎬技銆俴l
鏀寔闈欐佹彃浠跺拰鍔ㄦ佹彃浠躲?br> 鍦–璇█涓皟鐢ㄨ剼鏈嚱鏁幫紝kl涓彁渚涗簡涓浜涚畝鍗曠殑鎺ュ彛鐢ㄤ簬婊¤凍闇姹傘?
涓嚱鏁扮殑鍘熷瀷涓猴細typedef struct TValue (*kl_func)( ArgType arg_list );
褰撲綘瀹氫箟浜嗕竴涓繖鏍風殑鍘熷瀷鐨勫嚱鏁版椂錛屽彲浠ラ氳繃kl搴撴彁渚涚殑:
int kl_register( struct klState *kl, kl_func f, const char *name )鏉ユ敞鍐岃
鍑芥暟鍒発l鑴氭湰涓傝鍑芥暟鍙傛暟寰堢畝鍗曪紝絎笁涓弬鏁版寚瀹氭敞鍐岃繘鑴氭湰涓椂鐨勫悕瀛椼?
渚涚殑鍚嶅瓧錛岀鍙峰搴旂殑鍊煎氨鏄浜屼釜鍙傛暟錛屼篃灝辨槸鎻掍歡鍑芥暟鐨勫嚱鏁板湴鍧銆?br> 瑙i噴鍣ㄨВ閲婂埌鍑芥暟璋冪敤鏃訛紝鍏堜粠鎻掍歡絎﹀彿琛ㄤ腑鏌ユ壘錛屽鏋滄壘鍒扮鍙鳳紝灝卞皢絎﹀彿鐨勫艱漿鎹?br>涓烘彃浠跺嚱鏁幫紝騫惰皟鐢ㄤ箣銆?
鍣ㄦ暣鐞嗘垚鍙傛暟閾捐〃騫朵紶閫掔粰鎻掍歡鍑芥暟銆俴l搴撲腑(闆嗕腑鍦╧llib.h涓?鎻愪緵浜嗕竴浜涙柟渚跨殑鎺ュ彛鐢?br>浜庤幏鍙栨瘡涓弬鏁般?br> 鎻掍歡鍑芥暟鐨勮繑鍥炲間篃灝嗚瑙i噴鍣ㄨ漿鎹負鑴氭湰鍐呴儴璇嗗埆鐨勬牸寮忥紝騫跺湪蹇呰鐨勬椂鍊欏弬涓庤繍綆?br>銆?
鐨勫氨鏄妸璇ユ彃浠朵腑鐨勬墍鏈夊嚱鏁伴兘娉ㄥ唽榪涜剼鏈噷銆?
鍏ュ姩鎬佹彃浠訛紝渚嬪import銆乺equire涔嬬被銆傛垜鍦ㄩ潤鎬佹彃浠跺眰嬈℃彁渚涗簡榪欎釜鍔熻兘銆傚嵆鎴戞彁渚涗簡
涓涓猯ibloader闈欐佹彃浠訛紝閾炬帴榪沰l瑙i噴鍣ㄧ▼搴忋傝闈欐佹彃浠舵彁渚涜剼鏈竴涓悕涓篿mport鐨勫嚱
鏁般傝鍑芥暟璐熻矗鍔ㄦ佽澆鍏ll涔嬬被鐨勫姩鎬佸簱錛屽茍璋冪敤閲岄潰鐨刲ib_open鍑芥暟瀹屾垚鍔ㄦ佹彃浠剁殑娉?br>鍐屻?
閮戒繚瀛樺湪鍏ㄥ眬絎﹀彿琛ㄩ噷錛宬l搴撲粠鍏ㄥ眬絎﹀彿琛ㄦ壘鍒拌鍑芥暟絎﹀彿錛屽茍杞崲鍏跺間負璇硶鏍戣妭鐐規寚閽?br>錛岀劧鍚庝紶鍏ヨВ閲婂櫒妯″潡瑙i噴鎵ц銆?br> kl搴撴彁渚泂truct TValue kl_call( struct klState *kl, const char *name, ArgType args );
鐢ㄤ簬鍦–閲岃皟鐢ㄨ剼鏈嚱鏁般?
濡傛灉灝唊l浣滀負涓涓簱浣跨敤錛岀敤鎴蜂唬鐮佸ぇ閮ㄥ垎鏃跺欏彧闇瑕佷嬌鐢╧llib.h涓彁渚涘嚭鏉ョ殑鎺ュ彛銆?br> 婧愮爜鐩綍plugin涓嬬殑kllibbase.c涓彁渚涗簡闈欐佹彃浠剁殑渚嬪瓙錛宬llibloader.c鎻愪緵浜嗚杞?br>鍔ㄦ佹彃浠剁殑鍔熻兘銆?br> 婧愮爜鐩綍plugin/hge鐩綍涓嬫槸涓涓皝瑁?D娓告垙寮曟搸HGE閮ㄥ垎鎺ュ彛鍒発l鑴氭湰涓殑鍔ㄦ佹彃浠?br>渚嬪瓙銆?br> 婧愮爜鐩綍test/kl.c鏄竴涓畝鍗曠殑kl瑙i噴紼嬪簭錛屽畠鐢ㄤ簬鎵ц涓孌祂l浠g爜銆傝繖涓▼搴忓悓涔嬪墠
璇寸殑瑙i噴鍣ㄤ笉鏄悓涓鍥炰簨銆傚綋鎴戣鍒拌В閲婂櫒鏃訛紝瀹冮氬父鎸囩殑鏄痥linterpret.c涓疄鐜扮殑瑙i噴
妯″潡錛岃岃В閲婂櫒紼嬪簭鍒欐寚鐨勬槸涓涓嬌鐢ㄤ簡kl搴撶殑鐙珛瑙i噴鍣ㄥ彲鎵ц紼嬪簭銆?/font>
function main()
{
print( "hello world\n" );
}
鍦ㄧ浜岃妭涓垜鎻忚堪浜唊l浠g爜鏁翠綋涓婄殑緇撴瀯錛屾槸浠ュ嚱鏁頒負鍗曚綅鐨勩傚洜姝わ紝瀵逛簬涓涓畬鏁寸殑
kl鑴氭湰浠g爜錛屽叾緇忚繃璇硶澶勭悊鍚庯紝灝嗗緩绔嬩竴媯靛ぇ鐨勮娉曟爲錛岃璇硶鏍戝ぇ鑷寸粨鏋勪負錛?br> fn1_node
stmt_node1
stmt_node2
...
fn2_node
stmt_node1
stmt_node2
...
瑙i噴鍣ㄨВ閲婃墽琛屾椂錛屽氨鏄粠main鍑芥暟鎵瀵瑰簲鐨勮妭鐐瑰紑濮嬮掑綊鎵ц鐨勩傚浜庢瘡涓妭鐐癸紝閮?br>鍙互鐭ラ亾璇ヨ妭鐐瑰搴斾簡鍝紼嬪簭閫昏緫錛氭槸鍔犳硶榪愮畻銆佹瘮杈冭繍綆椼佽繕鏄竴浜涙帶鍒惰鍙ョ瓑絳夈?br> 浠ヨ繖鏍風殑鎺у埗璇彞涓句緥錛?br> if( 1 ) print( "true" );
瀵筰f璇彞鑰岃█錛屽叾璇硶鏍戠粨鏋勪負錛?br> if_node
/ | \
/ | \
con_exp then_stmt else_stmt
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鐨勮鍙ュ簭鍒椼?br> 閭d箞錛屽湪鍙戠幇鏌愪釜鑺傜偣鏄痠f鑺傜偣鏃訛紝灝遍鍏堣綆楀叾鏉′歡琛ㄨ揪寮忚妭鐐廣傝繖涓妭鐐圭殑璁$畻鏂?br>寮忓悓鑴氭湰涓叾浠栨墍鏈夎〃杈懼紡鐨勮綆楁柟寮忕浉鍚岋紝褰撶劧錛屽畠涔熸槸涓涓掑綊鎿嶄綔銆傝綆楀畬鍚庡垽鏂
琛ㄨ揪寮忕殑鍊兼槸鍚︿負鐪燂紝涓虹湡鍒欓掑綊鎵цif鑺傜偣鐨刢hild[1]鑺傜偣錛屽惁鍒欐鏌ユ槸鍚︽湁else鑺傜偣錛?br>鏈夌殑璇濆氨鎵цchild[2]鑺傜偣銆?
瑙i噴鍣ㄧ幆澧?/strong>
絎﹀彿錛涘嚱鏁板眬閮ㄧ鍙瘋〃錛屽湪瑙i噴璋冪敤涓涓剼鏈嚱鏁版椂錛屼細寤虹珛涓存椂鐨勭鍙瘋〃錛涙彃浠剁鍙瘋〃錛?br>鐢ㄤ簬淇濆瓨鎻掍歡娉ㄥ唽鐨勫嚱鏁般?
鏄鍑芥暟鑺傜偣鐨勮妭鐐規寚閽堬紱鑰屽浜庡悗鑰咃紝鍒欎繚瀛樼殑鎻掍歡鍑芥暟鐨勫嚱鏁板湴鍧鍊箋?
鏋滄壘鍒幫紝灝卞皢鍏跺艱漿鎹負綰﹀畾鐨勬彃浠跺嚱鏁扮被鍨嬶紙濡傚悓lua閲屾敞鍐岀殑C鍑芥暟涓鏍鳳級錛岀劧鍚庢暣鐞嗗弬
鏁拌皟鐢ㄤ箣銆傝繖涓椂鍊欎唬鐮佹墽琛屾潈杞帴鍒版彃浠跺嚱鏁伴噷銆傚鏋滄病鎵懼埌錛屽氨鍦ㄥ叏灞絎﹀彿琛ㄩ噷鏌ユ壘錛?br>鎵懼埌鍚庡氨寮鴻漿涓鴻娉曟爲鑺傜偣鎸囬拡錛屽茍瑙i噴鎵ц璇ヨ妭鐐逛笅鐨勮鍙ャ?
鎵璋撶殑鎻掍歡鍑芥暟鍒拌剼鏈噷錛屼篃灝卞彲浠ヨ鑴氭湰鍏鋒湁print榪欐牱鐨勮緭鍑哄嚱鏁般?
錛岄渶瑕佷粠榪欎釜妯″潡涓幏鍙栧嚭璇ュ彉閲忕殑鍊鹼紝騫跺弬涓庤繍綆椼?br> 榪欎釜鎴戠О涔嬩負絎﹀彿琛ㄣ傛垜鎯沖埌榪欓噷錛屾垜鎵璇寸殑姒傚康寰堝彲鑳藉拰鏁欑涔︽湁鐐逛笉涓鏍蜂簡銆?
鍣ㄣ?br> 鍦╧l涓紝絎﹀彿琛ㄤ繚瀛樼潃鏌愪竴涓綔鐢ㄥ煙閲岀殑鍙橀噺銆傚叾鍏ㄥ眬絎﹀彿琛ㄨ繕淇濆瓨鐫鍑芥暟絎﹀彿錛屽浜?br>鍑芥暟絎﹀彿鑰岃█錛屽叾鍊間負璇硶鏍戞爲鑺傜偣鐨勬寚閽堝箋傚綋璋冪敤涓涓嚱鏁版椂錛屽皢璇ュ艱漿鎹負鏍戣妭鐐癸紝
鐒跺悗鎵ц銆傚綋鐒訛紝榪欏簲璇ョ畻鍋氳В閲婃墽琛屼竴鑺傜殑緇嗚妭錛屼笉澶氳銆?
value factor( TreeNode *node )
{
switch( node->type )
{
case ID:
/* 鍦ㄨ繖閲岋紝鍙戠幇涓涓爲鑺傜偣綾誨瀷涓篒D錛屽氨闇瑕佹牴鎹甀D瀵瑰簲鐨勫悕瀛楋紝涔熷氨
鏄痑ge錛屽湪絎﹀彿琛ㄤ腑鏌ユ壘age鐨勫?*/
return age錛?nbsp;
/* ... */
}
}
浠ヤ笂娉ㄩ噴闃愯堪浜嗙鍙瘋〃鐨勪綔鐢ㄣ?
榪欐牱鐨勬帴鍙o細
value sym_lookup( const char *name );
void sym_insert( const char *name, value val );
涔熷氨鏄錛屾彁渚涙煡鎵劇鍙峰鹼紝浠ュ強鎻掑叆鏂扮鍙風殑鎺ュ彛銆?
hash鏁扮粍涓瘡涓厓绱犱繚瀛樼殑鏄竴涓摼琛ㄥご鑺傜偣銆傛瘡涓涓鍙峰瓧絎︿覆閫氳繃鏁e垪鍑芥暟寰楀埌hash鏁?br>緇勭儲寮曪紝鐒跺悗鍦ㄨ绱㈠紩閲岃繘琛屼竴嬈$嚎鎬ф煡鎵俱傚緢鍏稿瀷鐨刪ash緇撴瀯銆?
淇濆瓨鍏ㄥ眬鍙橀噺浠ュ強鎵鏈夌殑鍑芥暟絎﹀彿錛涘悓鏃舵瘡涓嬈¤繘鍏ヤ竴涓嚱鏁版椂錛屽氨浼氬垱寤轟竴涓復鏃剁殑灞閮?br>絎﹀彿琛紝鐢ㄤ簬瀛樺偍灞閮ㄥ彉閲忥紱鍚庢潵錛屼負浜嗘敮鎸佹彃浠訛紝鎻掍歡鍑芥暟琚壒瀹氬湴淇濆瓨鍦ㄥ彟涓涓叏灞絎?br>鍙瘋〃閲屻?
age + 1;錛屽湪璇嶆硶闃舵瀹冭鏁寸悊涓簍oken闆嗗悎錛歛ge, =, age, +, 1銆傞偅涔堝湪緇忚繃璇硶鍒嗘瀽鍚?br>錛岃繖浜泃okens灝嗚鏁寸悊涓哄ぇ鑷村涓嬬殑鏍戝艦緇撴瀯錛?br> =
/ \
age +
/ \
age 1
{
/* child[0]淇濆瓨緇撴灉鍊糰ge錛宑hild[1]鏄偅涓?琛ㄨ揪寮?*/
return op_exp( root->child[1] );
}
{
switch( node->op )
{
case '+':
{
/* + 琛ㄨ揪寮忓繀鐒舵湁宸﹀彸鎿嶄綔鏁?*/
value left = factor( node->child[0] );
value right = factor( node->child[1] );
return left + right;
}
}
}
value factor( TreeNode *node )
{
switch( node->type )
{
case ID:
/* 鏌ユ壘age鐨勫?*/
return age;
/* 1 鏄父閲?*/
return node->cvalue;
}
}
鐙瑙d笅鏁翠釜瑙i噴榪囩▼錛屽寘鎷瘡涓ā鍧楁槸濡備綍鍗忎綔鐨勩傛垜涓嶇煡閬撳叾浠栬В閲婂櫒鏄庝箞鍋氱殑錛屼絾
鏄垜榪欐牱鍋氾紝璧風爜緇撴灉鏄鐨勩?
鐨勮瑙c傛垜榪欓噷鎻愯繖涓蹇靛畬鍏ㄦ槸鏂逛究鎴戞彁鍒拌繖涓笢瑗褲?br> 姣忎竴縐嶈璦閮芥湁鍏惰嚜宸辯殑BNF鏂囨硶錛屽洜涓轟竾鎭剁殑鍏堢煡鍛婅瘔鎴戜滑錛屾瘡涓闂ㄨ璦閮介渶瑕佸緩绔?br>鍏惰娉曟爲銆? -!
灝卞儚璇嶆硶鍒嗘瀽涓鏍鳳紝鍥犱負澶ч儴鍒嗚璦鐨勭粨鏋勯兘宸笉澶氾紝鎵浠ユ垜瑙夊緱璇嶆硶鍒嗘瀽鍜岃娉曞垎鏋?br>鍩烘湰涓婇兘娌℃湁浠諱綍鐗瑰埆涔嬪銆備篃灝辨槸璇達紝鍒殑璇█鐨凚NF浣犲彲浠ョ洿鎺ユ嬁鏉ユ敼鏀圭敤銆?br> 鎶勪釜BNF濡備笅錛?br> exp -> exp adop term | term
addop -> + | -
term -> term mulop factor | factor
mulop -> *
factor -> (exp) | number
榪欎釜BNF鐢ㄦ潵鎻忚堪涓鑸殑綆楁暟琛ㄨ揪寮?+-*/)銆傜畝鍗曟潵璇達紝涓闂ㄨ璦鐨凚NF灝辨槸鐢ㄤ簬鎻忚堪璇?br>璇█鎵鏈夎鍙ョ殑涓滆タ錛屽寘鎷琲f銆亀hile銆佸嚱鏁板畾涔変箣綾匯傚緩璁綘google涓涓婥璇█鐨凚NF錛屽茍
鏀歸犱箣鐢ㄤ簬浣犺嚜宸辯殑璇█銆?
閫氬父錛屾垜浠殑浠g爜閲岄兘浼氱洿鎺ユ湁瀵瑰簲exp銆乼erm銆乤ddop涔嬬被鐨勫嚱鏁般傛寜鐓ф垜榪欏彞璇濈殑鎰?br>鎬濓紝涓婇潰鎶勭殑BNF琚炕璇戜負紼嬪簭浠g爜鍚庯紝灝卞彲鑳戒負錛?br> exp()
{
if( ... ) left = exp()
right = term();
left addop right;
}
term()
{
if( ... ) left = term()
right = factor();
left mulop right;
}
factor()
{
if( ... ) return exp();
else return number;
}
浜嗘暣鐞嗗嚭榪欐5璇硶鏍戯紝浣犻渶瑕佹壘涓浠界敤浜庢弿榪頒綘璇█鐨凚NF錛岀劧鍚庢牴鎹瓸NF緲昏瘧鎴愬鐞嗕唬鐮併?
濡傚悓杞歡鍒嗗眰涓鏍鳳紝涓漢瑙夊緱鏄嚭浜庨檷浣庡鏉傛х殑鑰冭檻銆?br> 鍐嶆澹版槑鎴戜笉浼氬憡璇変綘浠諱綍緙栬瘧鍘熺悊鐨勭悊璁虹煡璇嗭紝鍥犱負鍧︾巼鍦拌鎴戜篃涓嶄細:D銆傛墍浠ユ垜鍔?br>鍔涘皢鎴戜滑闇瑕佷簡瑙g殑姒傚康灝藉彲鑳界畝鍗曞湴鍛婅瘔浣犮傚綋鐒訛紝鍙兘浼氫笌鏁欑涔︿笉鍚誨悎銆?
涓猼oken銆?
娉曞垎鏋愰樁孌甸潰瀵圭殑灝嗘槸涓涓竴涓殑token錛岃屼笉鏄崟涓殑瀛楃銆?br> 渚嬪錛屽湪澶勭悊age = age + 1;榪欑璇彞鏃訛紝褰撴垜浠幏鍙栧埌token "="鏃訛紝鎴戜滑鐩存帴鏈熸湜鎺?br>涓嬫潵鐨則oken搴旇鏄釜琛ㄨ揪寮忋備互鍗曡瘝涓哄崟浣嶅湴澶勭悊錛屾瘮鐩存帴澶勭悊鍗曚釜瀛楃綆鍗曞緢澶氥?
閲岋紝榪欏氨鏄瘝娉曞垎鏋愮殑杈撳叆銆傝岃瘝娉曞垎鏋愮殑鏈緇堣緭鍑虹粨鏋滃氨鏄竴涓竴涓殑token銆?br> 涓轟簡澶勭悊鏂逛究錛宼oken騫朵笉鏄崟綰殑鍗曡瘝銆傞氬父鎴戜滑浼氬皢婧愪唬鐮佷腑鐨勬墍鏈夊崟璇嶅垎綾伙紝渚?br>濡傚彉閲忓悕鍏跺疄閮藉睘浜庝竴綾籺oken銆傜畝鍗曠殑token鍙畾涔変負錛?br> struct Token
{
int type;
char value[256];
};
type鐢ㄤ簬琛ㄧずtoken鐨勭被鍨嬶紝渚嬪涓涓彉閲忓悕token鐨勭被鍨嬫槸涓涓爣璇嗙銆倂alue鍙互鐢?br>鏉ュ叿浣撳湴淇濆瓨榪欎釜鍙橀噺鐨勫悕瀛椼?
鍦ㄤ竴涓簮浠g爜涓彲鑳藉嚭鐜扮殑鎵鏈塼oken銆?
璇嶆硶鍒嗘瀽妯″潡鎻愪緵涓涓猤et_token鍑芥暟銆傛瘡嬈¤皟鐢ㄨ鍑芥暟鏃訛紝閮借繑鍥炴簮浠g爜涓笅涓涓猼oken銆?br>渚嬪錛屾湁婧愪唬鐮侊細age = age + 1;
絎竴嬈¤皟鐢╣et_token灝嗚幏寰?{ ID, "age" }錛岀浜屾鑾峰緱 { ASSIGN, "=" }錛岀涓夋
鑾峰緱{ ID, "age" }錛岀瓑絳夈?
綆鍗曪紝浣犲憡璇夋垜錛氱粰浣犱竴涓瓧絎︿覆錛屼綘濡備綍鍒ゆ柇榪欎釜瀛楃涓插叏閮ㄦ槸鏁板瓧錛?br> int is_num( const char *str )
{
while( *str != 0 )
{
if( !isdigit( *str++ ) ) return 0;
}
return 1;
}
鎵浠ワ紝鍩烘湰涓婏紝璇嶆硶鍒嗘瀽鐨勮繃紼嬩篃灝辨槸榪欎釜榪囩▼銆傚氨鎷挎爣璇嗙涓句緥錛屽吀鍨嬬殑鏍囪瘑絎︿竴鑸?br>浠ュ瓧絎﹀紑澶達紝鐒跺悗鎺ョ潃鏄暟瀛楁垨瀛楃鎴朹錛屽綋閬囧埌闈炴硶瀛楃鏃訛紝榪欎釜鏍囪瘑絎︾殑鎵弿鍗崇粨鏉熴?br> 璇嶆硶鍒嗘瀽涓鑸槸涓獁hile+switch錛?br> struct Token get_token()
{
while( current_char != 0 )
{
switch( current_char )
{
case CHARACTER:
/* 鎵弿涓涓爣璇嗙 token */
break;
/* 鑾峰緱涓涓?ASSIGN token */
break;
}
}
}
褰撳墠鎵弿鐨則oken銆傛壂鎻忕粨鏋滃彲浠ラ氳繃lexState緇撴瀯浣撹幏鍙栥?br> 鍐嶆鎻愪笅鐗堟潈闂錛屼唬鐮佹枃浠朵互鍙婁唬鐮佸寘涓垜騫舵病鏈夊姞鍏ヤ換浣曠増鏉冭鏄庯紝鍝曟槸GPL銆?br>浣嗘槸濡傚悓鎴戜箣鍓嶈鐨勪竴鏍鳳紝鎴戜笉浠嬫剰浣犱紶鎾佹敼鍔ㄦ浠g爜錛屼絾鏄淇濈暀鍘熶綔鑰呬俊鎭傚綋鐒訛紝
鎴戝茍涓嶄粙鎰忎綘鍔犱笂@modified by xxx:)銆?
鏈変竴鑸殑緙栫▼璇█鐗規э紝濡傚彉閲忋佸悇縐嶆帶鍒舵祦紼嬨佷篃璁歌繕鏈夊嚱鏁幫紝鍙︿竴鏂歸潰瀹冭繕搴旇鍜屽畠鐨?br>瀹夸富璇█緇撳悎錛屽浣滀負涓涓簱琚敤榪汣錛岃繖榪樻秹鍙婂埌緇欒繖闂ㄨ璦璁捐涓縐嶆彃浠舵柟寮忥紝鏈濂借兘
閫氳繃鐙珛鐨勮В閲婄▼搴忚鑴氭湰杞藉叆涓浜涙彃浠惰繍琛屻?
{
}
function func2()
{
}
...
kl鏀寔浠}闅旂浠g爜鍧楋紝浣嗘槸榪欏茍涓嶆剰鍛崇潃kl鏈夊涓嫭绔嬬殑灞閮ㄥ爢鏍堬紝濡傚悓C璇█涓鏍楓?br>榪欎簺緇嗚妭鏆備笉璁ㄨ銆傛湰鑺傛弿榪扮殑鎵鏈夊唴瀹逛綘閮戒笉蹇呮繁絀訛紝鍥犱負鎴戝彧瑕佹眰浣犲kl鏈変釜鎰熸т笂鐨?br>璁よ瘑銆?br> 鍑芥暟鍧椾箣澶栨病鏈夊彲鎵ц鐨勮鍙?statement)銆傞偅涔堜綘鍙兘浼氭兂鍒扮▼搴忕殑鍏ュ彛鐐逛篃璁鎬細鏄?br>main銆備簨瀹炰笂浠巏l鎻愪緵鐨勫簱鏉ョ湅錛屽茍娌℃湁榪欑紜ц姹傘備絾鏄紝kl鐨勭嫭绔嬭В閲婄▼搴忔槸榪欐牱瑕?br>姹傜殑銆?nbsp;
娉曠殑鏍囪瘑絎︽椂錛屽氨鎰忓懗鐫kl鍐呴儴浼氬鍔犺繖涓彉閲忥紝騫剁粰浜堝垵鍊箋傚彉閲忎篃娌℃湁闈欐佺被鍨嬶紝涔熶笉
浼氬浐瀹氫負鏌愪竴綾誨瀷銆傚氨涓闂ㄦ渶綆鍗曠殑璇█鏉ョ湅錛屾垜瑙夊緱鏁版嵁綾誨瀷鏃犻潪灝辨槸瀛楃涓插拰鏁板瓧綾誨瀷
銆?br> 鎵浠ワ紝kl鐨勫彉閲忓湪鏌愪竴鏃跺埢蹇呯劧鏄暟瀛楋紝鎴栬呭瓧絎︿覆銆傚湪鑴氭湰閲岋紝浣犳棤娉曡幏鐭ヤ竴涓彉閲?br>鐨勭被鍨嬶紝浜嬪疄涓婁篃娌¤繖涓繀瑕併傝鍙橀噺鎷ユ湁涓涓被鍨嬪睘鎬э紝鍊掍笉濡傝鍊?value)鏈変竴縐嶇被鍨?br>灞炴с?br> 褰撳瓧絎︿覆鍊間笌鏁板瓧鍊煎弬涓庤繍綆楁椂錛屽1+"a"錛屽叾榪愮畻緇撴灉灝嗚嚜鍔ㄨ漿鎹負瀛楃涓詫紝涔熷氨鏄?br>"1a"銆?br> 涓涓彧鏈夋爣璇嗙鐨勮鍙?statement)閫氬父鎰忓懗鐫浣犳兂瀹氫箟涓涓彉閲忋傝繖縐嶆棤鑱婄殑鎵嬫閫?br>甯歌鐢ㄤ簬瀹氫箟鍏ㄥ眬鍙橀噺銆?
涓庨昏緫鎴栥?
鏁板潡鍐呯殑浠g爜鍧楀彉閲忥紝榪樻槸澶勪簬灞閮ㄤ綔鐢ㄥ煙銆?br> 褰撳眬閮ㄤ綔鐢ㄥ煙鍐呭嚭鐜頒竴涓叏灞閲岀殑鍚屽悕鍙橀噺鏃訛紝浼樺厛鍙栧眬閮ㄤ綔鐢ㄥ煙閲岀殑鍙橀噺銆傝繖鍚孋璇?br>璦涓鏍楓?
if( a > 10 )
{
}
else
{
}
if( a > 10 )涓殑a>10琚垜鎴愪負鏉′歡璇彞錛屾墍鏈夋潯浠惰鍙ワ紝鍖呮嫭涓嬮潰鐨剋hile錛岄兘涓嶈兘
涓哄瓧絎︿覆銆備緥濡俰f( "a" )灝嗚瑙嗕負闈炴硶璇彞銆傦紙鎴戜負浠涔堣榪欐牱鑰冭檻錛? -!錛?
while( a > 10 )
{
}
寰堥仐鎲撅紝鎴戞殏鏃舵病鏈夊姞鍏ュfor鐨勬敮鎸併傚洜涓烘垜瑙夊緱鏃㈢劧鏈変簡while錛屾湁浜嗗驚鐜帶鍒訛紝鍦?br>娌℃湁鏇村鏃犺亰鏃墮棿鐨勫墠鎻愪笅錛屾垜娌℃湁蹇呰鍔犲叆for銆?
{
}
灝變細鍜屽嚱鏁拌皟鐢╢unc(a)鍑虹幇娣鋒穯銆傛墍浠ワ紝鎴戝姞鍏ヤ簡function鍏抽敭瀛椼傚畾涔夊嚱鏁扮殑璇硶
涓猴細
function func( a, b )
{
}
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func( 1, 3 );
鐐圭偣鐨勫共鍑錛屾垜鐢氳嚦涓哄畾涔夋暟緇勫姞鍏im鐨勫叧閿瓧銆傝繖鎰忓懗鐫錛屽湪kl閲岋紝鏁扮粍鍜屼竴鑸殑鍙橀噺
鎬繪湁鐐逛笉涓鏍鳳細鍙橀噺鏃犻渶瀹氫箟錛屾暟緇勫嵈蹇呴』浜嬪厛瀹氫箟銆?br> 鏁扮粍鐨勯暱搴︿笉鏀寔鍔ㄦ佹墿鍏呫傚鏋滄敮鎸侊紝鎴戝緱璁﹌l鍐呴儴鏇村ソ鍦板幓綆$悊鍐呭瓨銆?br> 鏁扮粍鍏冪礌鐨勭被鍨嬫病鏈夌‖鎬х殑瑙勫畾錛岃繖鎰忓懗鐫a[0] = 1; a[1] = "a";鏄厑璁哥殑銆?
function main()
{
n = input( "%d" );
print( "fac(" + n + ") = " + fac( n ) );
}
{
if( n == 1 )
{
return 1;
}
else
{
return fac( n - 1 ) * n;
}
}
鎴戜笉鏄爣棰樺厷錛屼絾鏄湁蹇呰瑙i噴涓嬭繖涓爣棰樸傜患鍚堟潵璇存垜灝辨槸鎯充笌浣犲垎浜垜鎵瀛﹀埌鐨勩?br>鎴戜細灝嗘垜瀹炵幇鐨勮繖涓畝鍗曠殑鑴氭湰璇█鐨勫疄鐜扮粏鑺傚睍紺虹粰浣犮傚畠灝嗘兜鐩栵細璇嶆硶鍒嗘瀽銆佽娉曞垎鏋?br>銆佺鍙瘋〃綆$悊銆佽娉曟爲瑙i噴鎵ц銆佹彃浠剁鐞嗙瓑鍐呭銆?br> 鎴戝茍涓嶆搮闀夸紶鎺堢紪璇戝師鐞嗙煡璇嗐傛垜娌℃湁鍚繃緙栬瘧鍘熺悊璇撅紝鎵浠ユ垜涔熶笉浼氱紪璇戝師鐞嗭紙涔熻
鍗充嬌鎴戝惉浜嗕篃涓嶄細:D錛夈傛墍浠ュ浜庤繖鏂歸潰鐨勮兘鎵嬭岃█錛屾垜鍙d腑鐨?#8216;DFA‘鍙兘浼氳椿絎戝ぇ鏂廣?br> 鏄劇劧錛孋PPBLOG涓婃湁緙栬瘧鍘熺悊涓婄殑澶х墰銆傚鏋滀綘鎯沖涔犳洿娣卞叆鐨勭煡璇嗭紝鍙互鍘昏鏁欎粬浠?br>vczh(http://www.shnenglu.com/vczh/) 鐪嬭搗鏉ユ槸鎴戞墍璇寸殑榪欎釜浜恒傚湪鑷磋阿鍚嶅崟閲屾垜灝嗙湡璇氬湴
鍐欎笂浠栫殑鍚嶅瓧銆備粬鐨?#8217;鎵嬫妸鎵媥xx鑴氭湰‘緋誨垪澶氬灝戝皯榪樻槸緇欎簡鎴戜竴浜涙湁鐢ㄧ殑淇℃伅銆?br> 鍏舵鏄疐OX錛屽湪璇嶆硶鍒嗘瀽鐨凞FA鍜孨FA閭i噷鎴戣鏁欎簡浠栦竴浜涢棶棰樸傝櫧鐒舵垜鐜板湪鍙堝繕浜嗐傚
浣犱滑鎵鐭ワ紝鐞嗚鍜屽疄鐜頒箣闂存諱細闅旂潃楦挎矡銆?
Kenneth C. Louden)榪欐湰涔︺傚湪浣犲皢鏉ラ槄璇繪垜鐨勮剼鏈璦鐨勫疄鐜頒唬鐮佹椂錛屼綘浼氬彂鐜版湁寰堜竴浜涘湴
鏂瑰悓榪欐湰涔﹂噷鐨凾INY璇█瀹炵幇浠g爜鏈夌浉浼間箣澶勩傚緩璁綘闃呰TINY鐨勪唬鐮併?br> 鎰熻阿VIM銆丟CC銆丟DB銆丮ingW錛屾垜鐢ㄨ繖浜涜蔣浠跺湪宸ヤ綔涔嬩綑鍐欏嚭浜嗚繖涓笢瑗跨殑鍑犲崈琛孋浠g爜銆?br>寰堟槑鏄炬垜鏄釜寮婧愭枃鍖栫殑鐖卞ソ鑰呫備絾鏄垜涓嶄細鍛婅瘔浣爑nix鏈夊涔堝涔堝ソ錛屽洜涓烘垜涔熸槸涓垵瀛?br>鑰咃紝鎴戣繕涓嶆噦unix銆傚紑婧愬湪鎴戠湅鏉ユ洿鏄竴縐嶅垎浜煡璇嗙殑綺劇銆傝榪欑綺劇濡傚悓GPL涓鏍風梾姣?br>寮忓湴浼犳煋涓嬪幓銆?br> 榪樻湁鐗堟潈闂銆備絾涔熻瀹冧笉鏄釜闂銆傛垜涓嶄細娣誨姞浠諱綍鐗堟潈淇℃伅銆傛垜鍏佽浣犱換鎰忎紶鎾?br>鏀瑰姩鎴戞墍鏁f挱鐨勪笢瑗匡紝浣嗘槸鍞竴鐨勫熀鏈潯浠舵槸錛氫繚鐣欎綔鑰呯殑淇℃伅---涓嶈鍛婅瘔鍒漢錛岃繖涓滆タ
鏄綘鍋氱殑銆?