package?compiler;

import?java.util.ArrayList;
import?java.util.List;
import?java.util.Scanner;

public?class?Calculate?{
	public?int?val;
	public??List??table=null;//數(shù)據(jù)棧
	public?List?Re=null;
	
	private?static?int?count=0;
	public?double?[]?T;
	
	public?Calculate（）{
		table=new?ArrayList（）;
		Re=new?ArrayList（）;
		
	}
	
	public?void?calculate（String?aString?b）{??
		int?len=0;
		Scanner?s1=new?Scanner（b）;
		Scanner?s2=new?Scanner（b）;
		while（s1.hasNext（）==true）{?//計(jì)算長(zhǎng)度
			s1.next（）;
			len++;
		}
		ArrayList??arr=new?ArrayList（）;
		
		for（int?i=0;i			if（s2.hasNext（）==true）
				arr.add（s2.next（））;
			else
				arr.add（“_“）;
		}
		
		if（len==1）{
			TableElement?V=new?TableElement（countab）;
			this.table.add（V）;
		}else{
			if（!arr.get（0）.equals（“（“））{
				if（Re.size（）==0）{
					double?n2=table.get（table.size（）-1）.val;
					table.remove（table.size（）-1）;
					double?n1=table.get（table.size（）-1）.val;
					table.remove（table.size（）-1）;
					operation（an1arr.get（1）n2）;
				}
				
			}
		}
		

		
	}
		
	
	
	public?String?check（int?noString?b）{??//查字符對(duì)應(yīng)的值
		Double?r?=?null;
		for（int?i=0;i			if（table.get（i）.no==no?&&?table.get（i）.result.equals（b））
				r=table.get（i）.val;
		System.out.println（b+“的值是：“+r）;
		return?Double.toString（r）;
	}

	public?static?boolean?isNum（String?str）{??//判斷是否為數(shù)字
		return?str.matches（“^[-+]?（（[0-9]+）（[.]（[0-9]+））?|（[.]（[0-9]+））?）$“）;
	}

	public??void?operation（String?adouble?xString?opdouble?y）{
		if（op.equals（“+“））
			x=x+y;
		else?if（op.equals（“-“））
			x=x-y;
		else?if（op.equals（“*“））
			x=x*y;
		else?if（op.equals（“/“））{
			if（y==0.0）
				Re.add（“ERROR!“）;
			else
				x=x/y;
		}
		else{
			double?sum=Math.pow（x?y）;
			x=sum;
		}
		
		if（y!=0.0）{
			TableElement?V=new?TableElement（countaDouble.toString（x））;
			this.table.add（V）;
		count++;
		}
			
	}
	
	
	public?void?show（）{??//輸出數(shù)據(jù)棧
		String?result=new?String（“Result:“）;
		if（Re.size（）==0）{
			result+=Double.toString（table.get（table.size（）-1）.val）;
			Mainframe.noticeTextField.setText（result）;
		}
		else
			System.out.println（“除數(shù)不能為零！“）;
	}
	
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-07-04?17:33??Compiler\
?????文件?????????301??2012-07-04?17:31??Compiler\.classpath
?????文件?????????384??2012-07-05?00:26??Compiler\.project
?????目錄???????????0??2012-07-04?17:31??Compiler\.settings\
?????文件?????????635??2012-07-04?17:31??Compiler\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2012-07-05?00:26??Compiler\bin\
?????目錄???????????0??2012-07-05?00:26??Compiler\bin\compiler\
?????文件????????3857??2012-07-05?00:26??Compiler\bin\compiler\Calculate.class
?????文件?????????530??2012-07-05?00:26??Compiler\bin\compiler\GenerateTable$table_item.class
?????文件????????2424??2012-07-05?00:26??Compiler\bin\compiler\GenerateTable.class
?????文件????????9605??2012-07-05?00:26??Compiler\bin\compiler\Grammar.class
?????文件????????4630??2012-07-05?00:26??Compiler\bin\compiler\Mainframe.class
?????文件?????????509??2012-07-05?00:26??Compiler\bin\compiler\Node.class
?????文件????????3330??2012-07-05?00:26??Compiler\bin\compiler\Semantic.class
?????文件????????1553??2012-07-05?00:26??Compiler\bin\compiler\TableElement.class
?????文件????????4302??2012-07-05?00:26??Compiler\bin\compiler\Token.class
?????文件?????????771??2012-07-05?00:26??Compiler\bin\compiler\TokenItem.class
?????文件?????????746??2012-07-05?19:10??Compiler\res.txt
?????目錄???????????0??2012-07-04?17:31??Compiler\src\
?????目錄???????????0??2012-07-05?00:25??Compiler\src\compiler\
?????文件????????2319??2012-07-05?00:24??Compiler\src\compiler\Calculate.java
?????文件????????1729??2012-07-05?00:23??Compiler\src\compiler\GenerateTable.java
?????文件????????9461??2012-07-05?00:25??Compiler\src\compiler\Grammar.java
?????文件????????5280??2012-07-05?00:25??Compiler\src\compiler\Mainframe.java
?????文件?????????294??2012-07-05?00:23??Compiler\src\compiler\Node.java
?????文件????????2033??2012-07-05?00:25??Compiler\src\compiler\Semantic.java
?????文件?????????884??2012-07-05?00:24??Compiler\src\compiler\TableElement.java
?????文件????????4704??2012-07-05?00:24??Compiler\src\compiler\Token.java
?????文件?????????380??2012-07-05?00:24??Compiler\src\compiler\TokenItem.java