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資源簡介

該設計為編譯原理實驗課內容,使用Flex+Bison設計MiniPascal編譯器,支持if-else、while、for、變量任何位置定義以及變量初始化。隨壓縮包附實驗報告及測例。

資源截圖

代碼片段和文件信息

/*?A?lexical?scanner?generated?by?flex?*/

/*?Scanner?skeleton?version:
?*?$Header:?/home/daffy/u0/vern/flex/RCS/flex.sklv?2.91?96/09/10?16:58:48?vern?Exp?$
?*/

#define?FLEX_SCANNER
#define?YY_FLEX_MAJOR_VERSION?2
#define?YY_FLEX_MINOR_VERSION?5

#include?


/*?cfront?1.2?defines?“c_plusplus“?instead?of?“__cplusplus“?*/
#ifdef?c_plusplus
#ifndef?__cplusplus
#define?__cplusplus
#endif
#endif


#ifdef?__cplusplus

#include?
#include?

/*?Use?prototypes?in?function?declarations.?*/
#define?YY_USE_PROTOS

/*?The?“const“?storage-class-modifier?is?valid.?*/
#define?YY_USE_CONST

#else /*?!?__cplusplus?*/

#if?__STDC__

#define?YY_USE_PROTOS
#define?YY_USE_CONST

#endif /*?__STDC__?*/
#endif /*?!?__cplusplus?*/

#ifdef?__TURBOC__
?#pragma?warn?-rch
?#pragma?warn?-use
#include?
#include?
#define?YY_USE_CONST
#define?YY_USE_PROTOS
#endif

#ifdef?YY_USE_CONST
#define?yyconst?const
#else
#define?yyconst
#endif


#ifdef?YY_USE_PROTOS
#define?YY_PROTO(proto)?proto
#else
#define?YY_PROTO(proto)?()
#endif

/*?Returned?upon?end-of-file.?*/
#define?YY_NULL?0

/*?Promotes?a?possibly?negative?possibly?signed?char?to?an?unsigned
?*?integer?for?use?as?an?array?index.??If?the?signed?char?is?negative
?*?we?want?to?instead?treat?it?as?an?8-bit?unsigned?char?hence?the
?*?double?cast.
?*/
#define?YY_SC_TO_UI(c)?((unsigned?int)?(unsigned?char)?c)

/*?Enter?a?start?condition.??This?macro?really?ought?to?take?a?parameter
?*?but?we?do?it?the?disgusting?crufty?way?forced?on?us?by?the?()-less
?*?definition?of?BEGIN.
?*/
#define?BEGIN?yy_start?=?1?+?2?*

/*?Translate?the?current?start?state?into?a?value?that?can?be?later?handed
?*?to?BEGIN?to?return?to?the?state.??The?YYSTATE?alias?is?for?lex
?*?compatibility.
?*/
#define?YY_START?((yy_start?-?1)?/?2)
#define?YYSTATE?YY_START

/*?Action?number?for?EOF?rule?of?a?given?start?state.?*/
#define?YY_STATE_EOF(state)?(YY_END_OF_BUFFER?+?state?+?1)

/*?Special?action?meaning?“start?processing?a?new?file“.?*/
#define?YY_NEW_FILE?yyrestart(?yyin?)

#define?YY_END_OF_BUFFER_CHAR?0

/*?Size?of?default?input?buffer.?*/
#define?YY_BUF_SIZE?16384

typedef?struct?yy_buffer_state?*YY_BUFFER_STATE;

extern?int?yyleng;
extern?FILE?*yyin?*yyout;

#define?EOB_ACT_CONTINUE_SCAN?0
#define?EOB_ACT_END_OF_FILE?1
#define?EOB_ACT_LAST_MATCH?2

/*?The?funky?do-while?in?the?following?#define?is?used?to?turn?the?definition
?*?int?a?single?C?statement?(which?needs?a?semi-colon?terminator).??This
?*?avoids?problems?with?code?like:
?*
?*? if?(?condition_holds?)
?* yyless(?5?);
?* else
?* do_something_else();
?*
?*?Prior?to?using?the?do-while?the?compiler?would?get?upset?at?the
?*?“else“?because?it?interpreted?the?“if“?statement?as?being?all
?*?done?when?it?reached?the?‘;‘?after?the?yyless()?call.
?*/

/*?Return?all?but?the?first?‘n‘?matched?characters?back?to?the?input?stream.?*/

#defin

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????49343??2019-05-30?15:27??編譯原理實驗-MiniPascal\lex.yy.c

?????文件??????67318??2019-05-30?15:31??編譯原理實驗-MiniPascal\Mini.exe

?????文件??????68775??2019-05-30?15:35??編譯原理實驗-MiniPascal\WXTBison.tab.c

?????文件???????3155??2019-05-02?23:15??編譯原理實驗-MiniPascal\WXTBison.tab.h

?????文件??????10934??2019-05-30?15:29??編譯原理實驗-MiniPascal\WXTBison.y

?????文件???????2881??2019-05-30?15:21??編譯原理實驗-MiniPascal\WXTLex.l

?????文件?????????51??2019-05-17?14:28??編譯原理實驗-MiniPascal\測例\Mini1.txt

?????文件?????????86??2019-05-27?20:44??編譯原理實驗-MiniPascal\測例\Mini10.txt

?????文件?????????76??2019-05-17?14:27??編譯原理實驗-MiniPascal\測例\Mini2.txt

?????文件?????????83??2019-05-17?14:36??編譯原理實驗-MiniPascal\測例\Mini3.txt

?????文件?????????98??2019-05-17?14:39??編譯原理實驗-MiniPascal\測例\Mini4.txt

?????文件????????122??2019-05-17?22:32??編譯原理實驗-MiniPascal\測例\Mini5.txt

?????文件????????154??2019-05-17?22:38??編譯原理實驗-MiniPascal\測例\Mini6.txt

?????文件????????161??2019-05-30?15:31??編譯原理實驗-MiniPascal\測例\Mini7.txt

?????文件????????102??2019-05-28?21:50??編譯原理實驗-MiniPascal\測例\Mini8.txt

?????文件?????????94??2019-05-18?20:09??編譯原理實驗-MiniPascal\測例\Mini9.txt

?????文件?????655863??2019-07-02?21:41??編譯原理實驗-MiniPascal\編譯原理實驗報告.docx

?????目錄??????????0??2019-05-30?15:34??編譯原理實驗-MiniPascal\測例

?????目錄??????????0??2019-07-02?21:41??編譯原理實驗-MiniPascal

-----------?---------??----------?-----??----

???????????????859296????????????????????19


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