demoview1.cpp

这是用VC6.0开发的集词法分析、语法分析、语义分析为一体的一个程序

// DemoView1.cpp : implementation file
//

#include "stdafx.h"
#include "scanner.h"
#include "DemoView1.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDemoView1

IMPLEMENT_DYNCREATE(CDemoView1, CView)

CDemoView1::CDemoView1()
{
	m_showToken = false;
	m_pTokenNode = NULL;
}

CDemoView1::~CDemoView1()
{
}


BEGIN_MESSAGE_MAP(CDemoView1, CView)
	//{{AFX_MSG_MAP(CDemoView1)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDemoView1 drawing

void CDemoView1::OnDraw(CDC* pDC)
{
	CDocument* pDoc = GetDocument();
	// TODO: add draw code here
	//刷新视图类
	CRect   rect;   
    GetClientRect(&rect);   
    pDC->FillSolidRect(&rect,RGB(255,255,255)); 
    //输出TOKEN字串
	int x=0;
	int y=0;
    pDC->TextOut(x,y,"The Tokens are:");
	y+=20;
    pDC->TextOut(x,y,"(种别码，符号表的入口结点序号(_代表非标识符))");
	y+=20;
	CString strNode;
	if(m_showToken)
    {
		if(m_pTokenNode->next == NULL)
		{   //为空则提示并返回
		    pDC->TextOut(x,y,"There is no any legal Tokens !");
			return;
		}		
		while(m_pTokenNode->next)
		{
			strNode.Empty();
			m_pTokenNode = m_pTokenNode->next;			
			if(m_pTokenNode->strId==NULL)
				strNode.Format("( %d , _ )",m_pTokenNode->keycode);
			else				
                strNode.Format("( %d , %d )",m_pTokenNode->keycode,m_pTokenNode->strId);
			pDC->TextOut(x,y,strNode);
            y+=20;
			if(y>300)
			{
				x=x+100;
				y=40;
			}
		}
		
			
	}

}
void CDemoView1::MyDrawing(PTokenNode pTokenCollection)
{
	m_showToken=true;
	CDC *pDC=GetDC();
	m_pTokenNode = pTokenCollection;	
	OnDraw(pDC);
	m_showToken=false;


}
/////////////////////////////////////////////////////////////////////////////
// CDemoView1 diagnostics

#ifdef _DEBUG
void CDemoView1::AssertValid() const
{
	CView::AssertValid();
}

void CDemoView1::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CDemoView1 message handlers