www.pudn.com > compile.rar > workanaDlg.cpp


// workanaDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "workana.h" 
#include "workanaDlg.h" 
#include  
#include  
#include  
 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
 
extern CEdit * m_edit; 
extern CListCtrl * m_list; 
extern CEdit * m_info; 
extern char filename[256]; 
 
char prog[80],token[10]; 
int key[1000]; 
char ch; 
int errcifa=1; 
int syn,p,m,n,sum; 
char *keep[6]={"begin","if","then","while","do","end"}; 
 
int mm; 
int kk=0; 
///////////////////////////////////////////////////////////////////////////// 
// CWorkanaDlg dialog 
 
CWorkanaDlg::CWorkanaDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CWorkanaDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CWorkanaDlg) 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CWorkanaDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CWorkanaDlg) 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CWorkanaDlg, CDialog) 
	//{{AFX_MSG_MAP(CWorkanaDlg) 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_BUTTONOPEN, OnOpenSFile) 
	ON_BN_CLICKED(IDC_BUTTONSAVE, OnOpenDFile) 
	ON_WM_CTLCOLOR() 
	ON_WM_DROPFILES() 
	ON_BN_CLICKED(IDC_BUTTONANA, OnCompile) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CWorkanaDlg message handlers 
 
BOOL CWorkanaDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// Set the icon for this dialog.  The framework does this automatically 
	//  when the application's main window is not a dialog 
	SetIcon(m_hIcon, TRUE);			// Set big icon 
	SetIcon(m_hIcon, FALSE);		// Set small icon 
	 
	// TODO: Add extra initialization here 
	m_edit=(CEdit *)GetDlgItem(IDC_EDITSOURCE); 
	m_list=(CListCtrl *)GetDlgItem(IDC_LISTTWO); 
	m_info=(CEdit *)GetDlgItem(IDC_EDITINFO); 
	m_info->SetSel(-1,-1);    
	m_info->ReplaceSel("******这里将显示词法分析的相关结果******\r\n"); 
	m_info1=(CEdit *)GetDlgItem(IDC_EDITINFO1); 
	m_info1->SetSel(-1,-1);    
	m_info1->ReplaceSel("******这里将显示词法分析的相关结果******\r\n"); 
	m_list->SetBkColor(RGB(0,0,0)); 
	m_list->SetTextBkColor(RGB(0,0,0)); 
	m_list->SetTextColor(RGB(255,0,255));	 
	m_list->InsertColumn(0,"种别码",LVCFMT_CENTER,75); 
	m_list->InsertColumn(1,"字符串",LVCFMT_CENTER,122); 
	m_list->SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES); 
	GetDlgItem(IDC_BUTTONANA)->EnableWindow(FALSE); 
 
	 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
// If you add a minimize button to your dialog, you will need the code below 
//  to draw the icon.  For MFC applications using the document/view model, 
//  this is automatically done for you by the framework. 
 
void CWorkanaDlg::OnPaint()  
{ 
	if (IsIconic()) 
	{ 
		CPaintDC dc(this); // device context for painting 
 
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 
 
		// Center icon in client rectangle 
		int cxIcon = GetSystemMetrics(SM_CXICON); 
		int cyIcon = GetSystemMetrics(SM_CYICON); 
		CRect rect; 
		GetClientRect(&rect); 
		int x = (rect.Width() - cxIcon + 1) / 2; 
		int y = (rect.Height() - cyIcon + 1) / 2; 
 
		// Draw the icon 
		dc.DrawIcon(x, y, m_hIcon); 
	} 
	else 
	{ 
		CDialog::OnPaint(); 
	} 
} 
 
// The system calls this to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CWorkanaDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CWorkanaDlg::OnOpenSFile()  
{ 
	// TODO: Add your control notification handler code here 
	CString   filename;      
    CString   str="C 源文件 (*.c)|*.c | 文本文件(*.txt)|*.txt||";    
    CFileDialog   dlg(true,NULL,NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,str,NULL);    
    if(dlg.DoModal()==IDOK)    
	{    
		CString str,temp; 
		CStdioFile  file; 
		filename=dlg.GetPathName(); 
		str=filename; 
		temp=str; 
		//outputyufaerror(filename); 
		GetDlgItem(IDC_EDITOPEN)->SetWindowText(filename); 
		filename.Replace(".","_output."); 
		GetDlgItem(IDC_EDITSAVE)->SetWindowText(filename); 
		if(!file.Open(str,CFile::modeRead)) 
		{ 
		AfxMessageBox("抱歉,打开源文件失败"); 
		GetDlgItem(IDC_EDITOPEN)->SetWindowText(""); 
		GetDlgItem(IDC_EDITSAVE)->SetWindowText(""); 
		return; 
		} 
		while(file.ReadString(str)) 
		{ 
			str+="\r\n"; 
			m_edit->SetSel(-1,-1);    
			m_edit->ReplaceSel(str); 
			m_s+=str; 
			UpdateData(false); 
		} 
		file.Close(); 
	} 
	GetDlgItem(IDC_BUTTONANA)->EnableWindow(true);	 
} 
 
void CWorkanaDlg::OnOpenDFile()  
{ 
	// TODO: Add your control notification handler code here 
	CString   filename;      
    CString   str="C 源文件 (*.c)|*.c | 文本文件(*.txt)|*.txt||";    
    CFileDialog   dlg(false,NULL,NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,str,NULL);    
    if(dlg.DoModal()==IDOK)    
	{    
		filename=dlg.GetPathName();	 
		//outputyufaerror(filename); 
		GetDlgItem(IDC_EDITSAVE)->SetWindowText(filename); 
		 
	}	 
} 
 
HBRUSH CWorkanaDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)  
{ 
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor); 
	 
	// TODO: Change any attributes of the DC here 
	switch(pWnd->GetDlgCtrlID()) 
	{ 
	case IDC_STATIC: 
		pDC->SetTextColor(RGB(255,0,0)); 
		break; 
	case IDC_BUTTONSAVE: 
	case IDC_BUTTONOPEN: 
		pDC->SetTextColor(RGB(192,0,192)); 
		break; 
	case IDC_BUTTONANA: 
		pDC->SetTextColor(RGB(176,64,255)); 
		break; 
	case IDC_EDITOPEN: 
	case IDC_EDITSAVE: 
	case IDC_EDITSOURCE: 
	case IDC_EDITINFO: 
	case IDC_EDITINFO1: 
		pDC->SetBkMode(TRANSPARENT);    
		pDC->SetTextColor(RGB(0,255,0)); 
        HBRUSH hResult=CreateSolidBrush(RGB(0,0,0));   
        return hResult;   
	// TODO: Return a different brush if the default is not desired 
	} 
	return hbr; 
} 
 
void CWorkanaDlg::OnDropFiles(HDROP hDropInfo)  
{ 
	// TODO: Add your message handler code here and/or call default 
	CString str,temp,m_s; 
    CStdioFile  file; 
    DragQueryFile(hDropInfo, 0, filename, 256); 
	str=filename; 
	temp=str; 
	int n = temp.ReverseFind('.'); 
	temp=temp.Mid(n,temp.GetLength()); 
	if(temp==".c" || temp==".txt") 
	{ 
		if(!file.Open(filename,CFile::modeRead)) 
		{ 
		AfxMessageBox("抱歉,打开源文件失败"); 
		return; 
		} 
		while(file.ReadString(str)) 
		{ 
			str+="\r\n"; 
			m_edit->SetSel(-1,-1);    
			m_edit->ReplaceSel(str); 
			//UpdateData(false); 
		} 
		 
		file.Close(); 
	} 
	else 
	{ 
		AfxMessageBox("抱歉,程序不处理 "+temp+" 类型文件"); 
		return; 
	} 
	str=filename; 
	GetDlgItem(IDC_EDITOPEN)->SetWindowText(str); 
	str.Replace(".","_output."); 
	GetDlgItem(IDC_EDITSAVE)->SetWindowText(str); 
	//m_edit->SetSel(-1,-1);    
	//m_edit->ReplaceSel(str); 
 
	GetDlgItem(IDC_BUTTONANA)->EnableWindow(true);		 
	CDialog::OnDropFiles(hDropInfo); 
} 
 
void CWorkanaDlg::OnCompile()  
{ 
	// TODO: Add your control notification handler code here 
	CStdioFile sfile; 
	CString str; 
	char temp[128]; 
	kk=0; 
	errcifa=1; 
	m_list->DeleteAllItems(); 
	m_info->SetWindowText(""); 
	m_info1->SetWindowText(""); 
	m_info->SetSel(-1,-1);    
	m_info->ReplaceSel("******这里将显示词法分析的相关结果******\r\n"); 
	m_info1->SetSel(-1,-1);    
	m_info1->ReplaceSel("******这里将显示词法分析的相关结果******\r\n"); 
	if(!sfile.Open(filename,CFile::modeRead)) 
	{ 
		AfxMessageBox("抱歉,打开源文件失败"); 
		return; 
	} 
	m_edit->SetWindowText(""); 
	while(sfile.ReadString(str)) 
	{ 
		str+="\r\n"; 
		m_edit->SetSel(-1,-1);    
		m_edit->ReplaceSel(str); 
		//UpdateData(false); 
	} 
	 
	sfile.Close(); 
	sfile.Open(filename,CFile::modeRead); 
	while(sfile.ReadString(str)) 
	{ 
		p=0; 
		int i=0; 
		strcpy(temp,str); 
		ch=temp[i++]; 
		while(ch!='\0') 
		{ 
			prog[p++]=ch; 
			ch=temp[i++]; 
		} 
		prog[p]='\0'; 
		p=0; 
		do 
		{ 
			scaner(); 
			switch(syn) 
			{ 
			case 11: 
				outputdigit(); 
				break; 
			case -1: 
				errcifa=0; 
				outputerror(); 
				break; 
			case 999: 
				break; 
			default: 
				outputother(); 
			} 
		}while(syn!=999); 
	} 
	syn=0; 
	token[0]='#'; 
	outputother(); 
	sfile.Close(); 
	if(errcifa) 
	{ 
		//outputyufaerror("zfq"); 
		outputsuccess(); 
		getsyn(); 
		syn=key[0]; 
		mm=1; 
		lrparser(); 
	} 
	infile(); 
} 
 
void CWorkanaDlg::scaner() 
{ 
	for(m=0;m<10;m++) 
		token[m]=NULL; 
	m=0; 
	sum=0; 
	ch=prog[p++]; 
	while(ch==' ') 
	{ 
		ch=prog[p++]; 
	} 
	if(isalpha(ch)) 
	{ 
		while(isalpha(ch) || isdigit(ch)) 
		{ 
			token[m++]=ch; 
			ch=prog[p++]; 
		} 
		token[m]='\0'; 
		p--; 
		syn=10; 
		for(n=0;n<6;n++) 
		{ 
			if(strcmp(token,keep[n])==0) 
			{ 
				syn=n+1; 
				break; 
			} 
		} 
 
	} 
	else if(isdigit(ch)) 
	{ 
		while(isdigit(ch)) 
		{ 
			token[m++]=ch; 
			sum=sum*10+ch-'0'; 
			ch=prog[p++]; 
		} 
		if(isalpha(ch)) 
		{ 
			while(isalpha(ch) || isdigit(ch)) 
			{ 
				token[m++]=ch; 
				ch=prog[p++]; 
			} 
			token[m]='\0'; 
			syn=-1; 
		} 
		else 
		{ 
			p--; 
			syn=11; 
		} 
	} 
	else 
	{ 
		switch(ch) 
		{ 
		case '<': 
			m=0; 
			token[m++]=ch; 
			ch=prog[p++]; 
			if(ch=='>') 
			{ 
				syn=21; 
				token[m++]=ch; 
			} 
			else if(ch=='=') 
			{ 
				syn=22; 
				token[m++]=ch; 
			} 
			else 
			{ 
				syn=20; 
				p--; 
			} 
			break; 
		case '>': 
			m=0; 
			token[m++]=ch; 
			ch=prog[p++]; 
			if(ch=='=') 
			{ 
				syn=24; 
				token[m++]=ch; 
			} 
			else 
			{ 
				syn=23; 
				p--; 
			} 
			break; 
		case ':': 
			m=0; 
			token[m++]=ch; 
			ch=prog[p++]; 
			if(ch=='=') 
			{ 
				syn=18; 
				token[m++]=ch; 
			} 
			else 
			{ 
				syn=17; 
				p--; 
			} 
			break; 
		case '+': 
			syn=13; 
			token[0]=ch; 
			break; 
		case '-': 
			syn=14; 
			token[0]=ch; 
			break; 
		case '*': 
			syn=15; 
			token[0]=ch; 
			break; 
		case '/': 
			syn=16; 
			token[0]=ch; 
			break; 
		case '=': 
			syn=25; 
			token[0]=ch; 
			break; 
		case ';': 
			syn=26; 
			token[0]=ch; 
			break; 
		case '(': 
			syn=27; 
			token[0]=ch; 
			break; 
		case ')': 
			syn=28; 
			token[0]=ch; 
			break; 
		case '\0': 
			syn=999; 
			token[0]=ch; 
			break; 
		default:	 
			syn=-1; 
			token[0]=ch; 
		} 
	} 
} 
 
void CWorkanaDlg::outputdigit() 
{ 
	LVITEM	lvIt; 
	CString temp1,temp2; 
	char s1[30]; 
	char s2[30]; 
	temp1.Format("%d",syn); 
	temp2.Format("%d",sum); 
	strcpy(s1,temp1); 
	strcpy(s2,temp2); 
	int nItem=m_list->GetItemCount(); 
	lvIt.mask=LVIF_TEXT; 
	lvIt.pszText=(LPSTR)s1; 
	lvIt.iSubItem=0; 
	lvIt.iItem=nItem; 
	int iPos=m_list->InsertItem(&lvIt); 
	lvIt.mask=LVIF_TEXT; 
	lvIt.iItem=iPos; 
	lvIt.pszText=(LPSTR)s2; 
	lvIt.iSubItem=1; 
	m_list->SetItem(&lvIt); 
} 
 
void CWorkanaDlg::outputerror() 
{ 
	CString temp; 
	temp="ERROR :\'"; 
	temp+=token; 
	temp+="\' is invalid word!"; 
	m_info->SetSel(-1,-1);    
	m_info->ReplaceSel(temp+"\r\n"); 
} 
 
void CWorkanaDlg::outputother() 
{ 
	LVITEM	lvIt; 
/*	CStdioFile file; 
	CSring str; 
	char dfile[256]; 
	GetDlgItemText(IDC_EDITSAVE,str); 
	strcpy(dfile,str); 
	file.Open(dfile,CFile::modeWrite | CFile::modeCreate); 
*/ 
	CString temp; 
	char s[20]; 
	temp.Format("%d",syn); 
	strcpy(s,temp); 
	int nItem=m_list->GetItemCount(); 
	lvIt.mask=LVIF_TEXT; 
	lvIt.pszText=(LPSTR)s; 
	lvIt.iSubItem=0; 
	lvIt.iItem=nItem; 
	int iPos=m_list->InsertItem(&lvIt); 
	lvIt.mask=LVIF_TEXT; 
	lvIt.iItem=iPos; 
	lvIt.pszText=(LPSTR)token; 
	lvIt.iSubItem=1; 
	m_list->SetItem(&lvIt); 
} 
 
 
void CWorkanaDlg::outputsuccess() 
{ 
	CString temp; 
	temp="Success in CIFA analysis!"; 
	m_info->SetSel(-1,-1);    
	m_info->ReplaceSel(temp+"\r\n"); 
} 
 
 
 
void CWorkanaDlg::getsyn() 
{ 
	CString str; 
	int count=m_list->GetItemCount(); 
	for(int i=0;iGetItemText(i,0); 
		key[i]=atoi(str); 
	} 
	//CString temp; 
	//temp.Format("%d %d %d %d %d %d ",key[0],key[1],key[2],key[3],key[4],key[5]); 
	//outputyufaerror(temp); 
} 
 
void CWorkanaDlg::lrparser() 
{ 
	if(syn==1) 
	{ 
		syn=key[mm++]; 
		yucu(); 
		if(syn==6) 
		{ 
			syn=key[mm++]; 
			if(syn==0 && kk==0) 
			{ 
				outputyufaerror("success"); 
			} 
		} 
		else 
		{ 
			if(kk!=1) 
			{ 
				outputyufaerror("end is required"); 
				kk=1; 
			} 
		} 
	} 
	else 
	{ 
		outputyufaerror("no begin"); 
		kk=1; 
	} 
} 
 
void CWorkanaDlg::yucu() 
{ 
	statement(); 
	while(syn==26) 
	{ 
		syn=key[mm++]; 
		statement(); 
	} 
} 
 
void CWorkanaDlg::statement() 
{ 
	if(syn==10) 
	{ 
		syn=key[mm++]; 
		if(syn==18) 
		{ 
			syn=key[mm++]; 
			expression(); 
		} 
		else 
		{ 
			outputyufaerror("':=' error"); 
			kk=1; 
		} 
	} 
	else 
	{ 
		outputyufaerror("statement error"); 
		kk=1; 
	} 
} 
 
void CWorkanaDlg::expression() 
{ 
	term(); 
	while(syn==13 || syn==14) 
	{ 
		syn=key[mm++]; 
		term(); 
	} 
} 
 
void CWorkanaDlg::term() 
{ 
	factor(); 
	while(syn==15 || syn==16) 
	{ 
		syn=key[mm++]; 
		factor(); 
	} 
} 
 
void CWorkanaDlg::factor() 
{ 
	if(syn==10 ||syn==11) 
	{ 
		syn=key[mm++]; 
	} 
	else if(syn==27) 
	{ 
		syn=key[mm++]; 
		expression(); 
		if(syn==28) 
		{ 
			syn=key[mm++]; 
		} 
		else 
		{ 
			outputyufaerror("')' error"); 
			kk=1; 
		} 
	} 
	else 
	{ 
		outputyufaerror("expression error"); 
		kk=1; 
	} 
} 
 
void CWorkanaDlg::outputyufaerror(CString str) 
{ 
	if(str=="success") 
	{ 
		m_info1->SetSel(-1,-1);    
		m_info1->ReplaceSel("Success in YUFA analysis!\r\n");	 
	} 
	else 
	{ 
		m_info1->SetSel(-1,-1);    
		m_info1->ReplaceSel("ERROR : "+str+"\r\n"); 
	} 
} 
 
void CWorkanaDlg::infile() 
{ 
	CStdioFile dfile; 
	CString str,temp; 
	GetDlgItemText(IDC_EDITSAVE,temp); 
	dfile.Open(temp,CFile::modeCreate | CFile::modeWrite); 
	int count=m_list->GetItemCount(); 
	for(int i=0;iGetItemText(i,0); 
		str+=","; 
		str+=m_list->GetItemText(i,1); 
		str+=">\n"; 
		dfile.WriteString(str); 
	} 
	dfile.Close(); 
}