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資源簡介

支持龍書附錄中的部分語法，完成詞法匹配、語法分析和中間代碼生成如 program sample(a1,b2) var a,b:integer; var c,d:real; begin a:=1; b:=2; a:=b+c3; a:=8+7+6+5+4+3+2+1+9*8 mod 7-6+5+4 div 3; if a<b * -10-9+8+8*7/6 div 5 then a :=3 else a:=2; while a+8*a<b-7 do a:=a+2 end

資源截圖

代碼片段和文件信息 

import?lexer.Lexer;
import?parser.Parser;
import?tool.Tool;

public?class?Main?{
	public?static?void?main（String[]?args）?{
		//TODO?出錯后怎么繼續運行
		String?text=Tool.reader（“data/test.txt“）;
		//System.out.println（text）;
		Lexer?lex=new?Lexer（text）;
		Parser?parser=new?Parser（lex）;
		parser.program（）;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-03-11?15:49??Compiler\
?????文件?????????295??2011-08-15?05:47??Compiler\.classpath
?????文件?????????381??2011-08-15?05:47??Compiler\.project
?????目錄???????????0??2013-03-11?15:49??Compiler\.settings\
?????文件?????????629??2011-08-15?05:47??Compiler\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2013-03-11?15:49??Compiler\bin\
?????目錄???????????0??2013-03-11?15:49??Compiler\bin\inter\
?????文件????????2034??2013-03-11?15:43??Compiler\bin\inter\Expr.class
?????文件????????1920??2013-03-11?15:43??Compiler\bin\inter\MiddleCode.class
?????目錄???????????0??2013-03-11?15:49??Compiler\bin\lexer\
?????文件????????2849??2013-03-11?15:43??Compiler\bin\lexer\Lexer.class
?????文件????????5088??2013-03-11?15:43??Compiler\bin\lexer\Word.class
?????文件?????????719??2013-03-11?15:43??Compiler\bin\Main.class
?????目錄???????????0??2013-03-11?15:49??Compiler\bin\parser\
?????文件????????3235??2013-03-11?15:43??Compiler\bin\parser\Element.class
?????文件????????3842??2013-03-11?15:43??Compiler\bin\parser\Parser.class
?????目錄???????????0??2013-03-11?15:49??Compiler\bin\tool\
?????文件????????1502??2013-03-11?15:43??Compiler\bin\tool\Tool.class
?????目錄???????????0??2013-03-11?15:49??Compiler\data\
?????文件????????2309??2011-06-02?14:28??Compiler\data\t.txt
?????文件?????????197??2011-06-02?11:46??Compiler\data\test?-?副本?（2）.txt
?????文件?????????227??2011-06-02?11:34??Compiler\data\test?-?副本.txt
?????文件?????????431??2011-06-02?17:02??Compiler\data\test.txt
?????目錄???????????0??2013-03-11?15:49??Compiler\src\
?????目錄???????????0??2013-03-11?15:49??Compiler\src\inter\
?????文件????????1536??2011-06-02?23:33??Compiler\src\inter\Expr.java
?????文件?????????691??2011-06-02?11:05??Compiler\src\inter\MiddleCode.java
?????目錄???????????0??2013-03-11?15:49??Compiler\src\lexer\
?????文件????????2500??2011-06-02?17:01??Compiler\src\lexer\Lexer.java
?????文件????????3279??2011-06-02?17:01??Compiler\src\lexer\Word.java
?????文件?????????326??2012-03-22?19:59??Compiler\src\Main.java
............此處省略5個文件信息

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