ll1gui.java

编译原理LL1文法的实验

						textArea.append(temp[j]+" ");	
						}
			    	textArea.append("}\n");
					
				}
		          }
			});
		}
		return jButton3;
	}
	/**
	 * This method initializes jButton4	
	 * 	
	 * @return javax.swing.JButton	
	 */    
	private JButton getJButton4() {
		if (jButton4 == null) {
			jButton4 = new JButton();
			jButton4.setText("分析表");
			jButton4.setBounds(3, 131, 85, 19);
			jButton4.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {    
					    
					     mark=1;
					     mycard.next(jContentPane);
					     String termin=l.termin+"#";
				         String[] couName=new String[termin.length()+1] ;
				         couName[0]=" ";
				          for(int i=1;i<=termin.length();i++){
						    couName[i]="";
				         	couName[i]+=termin.charAt(i-1);
							 }
						  Object[][] rowData=new Object[l.nonter.length()][termin.length()+1];
				           int n;
				        for(int i=0;i<=l.count-1;i++){
				       	for( n=0 ;;n++)
				       		if(l.nonter.charAt(n)==l.left[i])
				       		break;
				        for(int j=0;j<l.select[i].length();j++){
				           for(int m=0;m<termin.length();m++) {     
						          if(l.select[i].charAt(j)==termin.charAt(m))
						     	{rowData[n][0]=""+l.nonter.charAt(n);
				           		 rowData[n][m+1]="->"+l.right[i];
				           	l.M[n][m]=l.right[i];
				           		
				           		}
				          
				          
				           
				           
				           
				           }
					        
				  } 	
			}  	
					    	
					    	
					    	jTable = new JTable(rowData,couName);
					    	 if(jScrollPane!=null){
								 jPanel2.remove(jScrollPane);
					               }
						    jScrollPane = new JScrollPane();
							jScrollPane.setBounds(8, 11, 281, 138);
							jScrollPane.setViewportView(jTable);
						
							jPanel2.add(jScrollPane, null);
					
			            	char temp[]=l.termin.toCharArray();
					
				           String columnName[]=new String[l.termin.length()];
				           for(int i=0;i<l.termin.length();i++){
				        	columnName[i]+=l.termin.charAt(i);
				}
			}
			});
		}
		return jButton4;
	}
	/**
	 * This method initializes textArea	
	 * 	
	 * @return java.awt.TextArea	
	 */    
	private TextArea getTextArea() {
		if (textArea == null) {
			textArea = new TextArea();
			textArea.setBounds(93, 14, 193, 158);
		}
		return textArea;
	}
	/**
	 * This method initializes jPanel2	
	 * 	
	 * @return javax.swing.JPanel	
	 */    
	private JPanel getJPanel2() {
		if (jPanel2 == null) {
			jPanel2 = new JPanel();
			jPanel2.setLayout(null);
			jPanel2.setSize(228, 108);
			jPanel2.setName("jPanel2");
		    jPanel2.add(getJButton5(), null);
		}
		return jPanel2;
	}
	/**
	 * This method initializes jTable	
	 * 	
	 * @return javax.swing.JTable	
	 */    
	/**
	 * This method initializes jButton5	
	 * 	
	 * @return javax.swing.JButton	
	 */    
	private JButton getJButton5() {
		if (jButton5 == null) {
			jButton5 = new JButton();
			jButton5.setBounds(112, 178, 69, 26);
			jButton5.setText("back");
			jButton5.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {    
					mycard.previous(jContentPane);
				
				
				
				
				}
			});
		}
		return jButton5;
	}
	/**
	 * This method initializes jButton6	
	 * 	
	 * @return javax.swing.JButton	
	 */    
	private JButton getJButton6() {
		if (jButton6 == null) {
			jButton6 = new JButton();
			jButton6.setBounds(3, 108, 85, 19);
			jButton6.setText("ll(1)判别");
			jButton6.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {    
					
					
					
					
					if(l.isLL1()){
					JOptionPane.showMessageDialog(null,"该文法是LL(1)文法","判别结果",1) ;
					}
				else 
				
					JOptionPane.showMessageDialog(null,"该文法不是LL(1)文法","判别结果",1) ;
				}
			});
		}
		return jButton6;
	}
	/**
	 * This method initializes jTextField	
	 * 	
	 * @return javax.swing.JTextField	
	 */    
	private JTextField getJTextField() {
		if (jTextField == null) {
			jTextField = new JTextField();
			jTextField.setBounds(116, 184, 160, 20);
		}
		return jTextField;
	}
	/**
	 * This method initializes jButton7	
	 * 	
	 * @return javax.swing.JButton	
	 */    
	private JButton getJButton7() {
		if (jButton7 == null) {
			jButton7 = new JButton();
			jButton7.setBounds(3, 184, 100, 20);
			jButton7.setText("输入串分析");
			jButton7.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {    
					 if(mark==0){   
				    	
				    	JOptionPane.showMessageDialog(null,"请先建立预测分析表","提示",1) ;
				     }
					  
					 else{
					mycard.next(jContentPane);
					String str=jTextField.getText();
				    char temp[]=str.toCharArray();
					String[] couNum={"步骤","分析栈","剩余输入串","推导或匹配 "};
					int p=0;
					int buzhou=0;
					char top;
					String tui;
					Integer op=new Integer(buzhou);
					String tem=jTextField.getText();
				    Stack st=new Stack();
				    st.push(l.start);
				    DefaultTableModel model=new  DefaultTableModel(); 
				   
				   
				    if(jScrollPane!=null){
						   jPanel2.remove(jScrollPane);
			               }
					        jTable=new JTable(model);
					        jScrollPane = new JScrollPane();
							jScrollPane.setBounds(8, 11, 281, 138);
							jScrollPane.setViewportView(jTable);
				    		jPanel2.add(jScrollPane, null);
					    
				    		model.addColumn("步骤");
				    		model.addColumn("符号栈");
				    		model.addColumn("输入串");
				    		model.addColumn("推导或匹配");
					 
					while(true){
					    buzhou++;
					    op=new Integer(buzhou);
					    String tep=st.print();
						top=st.pop();
						String laststr;
						laststr="";
					    for(int j=p;j<str.length();j++){
					    laststr+=str.charAt(j);
					  }
				    if(top=='#'&&str.charAt(p)=='#'){         
					model.addRow(new Object[]{op,tep,laststr,"success"});
						    break;}
				    if(top=='#'&&str.charAt(p)!='#'){         
						model.addRow(new Object[]{op,tep,laststr,"unsuccess"});
							    break;}
				    
				  if (l.belong(top,l.nonter) ){
							
								tui=l.SearchTable(top,str.charAt(p));
					if(tui==null){
						       model.addRow(new Object[]{op,tep,laststr,"error"});
								break;
									}
							model.addRow(new Object[]{op,tep,laststr, top+"->"+tui });
					if(tui.charAt(0)!='@'){
									st.push(tui);
							}
						continue;
						}
						if(l.belong(top,l.termin)&&top==str.charAt(p)){
							model.addRow(new Object[]{op,tep,laststr, str.charAt(p)+"匹配" });
							p++;}
						else if(l.belong(top,l.nonter)&&l.SearchTable(top,str.charAt(p))=="error"){
							model.addRow(new Object[]{op,tep,laststr,"unsuccess"  });
						      break;
						}
						
					    else if(l.belong(top,l.termin)&&top!=str.charAt(p)){
					    	
					    	model.addRow(new Object[]{op,tep,laststr,"unsuccess"  });
					      break;
					    }
					
					}
					
					
					}
			  } 
					
		});
		}
		return jButton7;
		}
	/**
	 * This method initializes jTextField1	
	 * 	
	 * @return javax.swing.JTextField	
	 */    
	private JTextField getJTextField1() {
		if (jTextField1 == null) {
		jTextField1 = new JTextField();
			jTextField1.setBounds(159, 67, 25, 22);
			jTextField1.setText("");
		
		}
		return jTextField1;
	}
	/**
	 * This method initializes jTextField2	
	 * 	
	 * @return javax.swing.JTextField	
	 */    
	private JTextField getJTextField2() {
		if (jTextField2 == null) {
			jTextField2 = new JTextField();
			jTextField2.setBounds(159, 98, 116, 19);
			jTextField2.setText("");
		}
		return jTextField2;
	}
	/**
	 * This method initializes jTextField3	
	 * 	
	 * @return javax.swing.JTextField	
	 */    
	private JTextField getJTextField3() {
		if (jTextField3 == null) {
			jTextField3 = new JTextField();
			jTextField3.setBounds(158, 130, 117, 16);
			jTextField3.setText("");
		
		}
		return jTextField3;
	}
 }