bianyidlg.cpp

来自「编译原理的实验--设计一个词法分析器,可以识别C中的关键字和各种符号」· C++ 代码 · 共 540 行

// bianyiDlg.cpp : implementation file
//

#include "stdafx.h"
#include "bianyi.h"
#include "bianyiDlg.h"
#include<ctype.h>

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBianyiDlg dialog

CBianyiDlg::CBianyiDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBianyiDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBianyiDlg)
	m_show = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CBianyiDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBianyiDlg)
	DDX_Control(pDX, IDC_EDIT_SHOW, m_com);
	DDX_Control(pDX, IDC_EDIT_GET, m_get);
	DDX_Text(pDX, IDC_EDIT_SHOW, m_show);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CBianyiDlg, CDialog)
	//{{AFX_MSG_MAP(CBianyiDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_EN_CHANGE(IDC_EDIT_GET, OnChangeEditGet)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBianyiDlg message handlers

BOOL CBianyiDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CBianyiDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 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 CBianyiDlg::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 CBianyiDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CBianyiDlg::OnButton1() 
{
	CString GetString;
	m_get.GetWindowText(GetString);
	GetString=GetString+'\0';
	Saomiao(GetString);
	UpdateData(0);
	
}

void CBianyiDlg::OnButton2() 
{
	m_show=_T("");
	m_get.SetWindowText("");
	UpdateData(0);
	// TODO: Add your control notification handler code here
	
}
void CBianyiDlg::Saomiao(CString GetString)
{

	int i=0,Temp,Sum=117,START=2000,SZTemp=0;
	char Ch=' ';
	CString MidString,Ms,s=_T(""),ID,CS;
	CString KEYWORDS[117]={"else","main","struct","enum","switch","auto","template","explicit",
		"this","bool","extern","mutable","break","false","throw","case","namespace","true",
		"catch","new","try","float","noreturn","char","for","operator","typedef",
		"class","friend","private","typeid","const","goto","protected","typename","const_cast",
		"if","public","union","continue","inline","register","unsigned","reinterpret_cast",
		"using","default","int","return","uuid","delete","short","signed","virtual","sizeof",
		"void","do","static","volatile","double","static_cast","dynamic_cast","long","while",
	    "<<=","<","<=","<<",">>",">>=",">",">=","->*","-","--","-=","->",
		"+=","+","++","^=","^","&=","&&","&","|","|=","||","*=","*","/=","/","//","/*","*/","%=","%",
		"=","==","!=","!",".*",".","::",":","{","}","(",")","[","]","~",",","?","#",";","'","\""};
	while(Ch!='\0')
	{
		Ch=GetString[i];
		while(Empty(Ch))Ch=GetString[++i];
		s.Format(_T("%c"),Ch);
		Ms=s;
		if(ZOrX(Ch))
		{
			SZTemp=0;
			while(ZOrXOrS(GetString[i+1]))
			{
				Ch=GetString[++i];
				s.Format(_T("%c"),Ch);
				Ms=Ms+s;
				
			}		
//			Temp=MyCompare(KEYWORDS,Ms,Sum);
//			if(Temp==-1)ID="BIANLIANG";
//			else ID.Format(_T("%d"),Temp+START);
//			CS=CS+Ms+"     "+ID+"\r\n";
//			ID=_T("");
		}
		else if(Shuzi(Ch))
		{
			while(Shuzi(GetString[i+1]))
			{
				Ch=GetString[++i];
				s.Format(_T("%c"),Ch);
				Ms=Ms+s;
			}
			if(GetString[i+1]=='.')
			{
				Ch=GetString[++i];
				s.Format(_T("%c"),Ch);
				Ms=Ms+s;
				while(Shuzi(GetString[i+1]))
				{
					Ch=GetString[++i];
					s.Format(_T("%c"),Ch);
					Ms=Ms+s;
				}
			}
			SZTemp=1;
//			ID="CHANGLIANG";
//			CS=CS+Ms+"     "+ID+"\r\n";
//			ID=_T("");
		}
		else switch(Ch)  //////// 字符
		{
			case '<': ////////   <<=  <=   <<   <
				if(GetString[i+1]=='=')
				{
					Ms="<=";i++;
				}
				else if(GetString[i+1]=='<')
				{
					if(GetString[i+2]=='=')
					{
						Ms="<<=";i+=2;
					}
					else Ms="<<";
					i++;
				}
				else Ms="<";break;
			case '>': ////////    >=   >    >>=  >>
				if(GetString[i+1]=='=')
				{
					Ms=">=";i++;
				}
				else if(GetString[i+1]=='>')
				{
					if(GetString[i+2]=='=')
					{
						Ms=">>=";i+=2;
					}
					else Ms=">>";
					i++;
				}
				else Ms=">";break;
			case '-':   ///   ->*  -=   --   ->   -
				if(GetString[i+1]=='>')
				{
					if(GetString[i+2]=='*')
					{
						Ms="->*";i+=2;
					}
					else Ms="->";i++;
				}
				else if(GetString[i+1]=='=')
				{
					Ms="-=";i++;
				}
				else if(GetString[i+1]=='-')
				{
					Ms="--";i++;
				}
				/////////////////////
				else if(Shuzi(GetString[i+1]))
				{
					while(Shuzi(GetString[i+1]))
					{
						Ch=GetString[++i];
						s.Format(_T("%c"),Ch);
						Ms=Ms+s;
					}
					if(GetString[i+1]=='.')
						{
							Ch=GetString[++i];
							s.Format(_T("%c"),Ch);
							Ms=Ms+s;
							while(Shuzi(GetString[i+1]))
							{
								Ch=GetString[++i];
								s.Format(_T("%c"),Ch);
								Ms=Ms+s;
							}
						}
					SZTemp=1;
				}
				////////////
				else Ms="-";break;
			case '+':  ////// +=   ++  +
				if(GetString[i+1]=='+')
				{
					Ms="++";i++;
				}
				else if(GetString[i+1]=='=')
				{
					Ms="+=";i++;
				}
				else Ms="+";break;
			case '&':  /////////  &&  &=   &
				if(GetString[i+1]=='&')
				{ 
					Ms="&&";i++;
				}
				else if (GetString[i+1]=='=')
				{
					Ms="&=";i++;
				}
				else Ms="&";break;
			case '^':   ///////   ^=   ^
				if(GetString[i+1]=='=')
				{
					Ms="^=";i++;
				}
				else Ms="^";break;
			case '!':  ////  !=   !
				if(GetString[i+1]=='=')
				{
					Ms="!=";i++;
				}
				else Ms="!";break;
			case '|':   ////////  ||    |   |=
				if(GetString[i+1]=='|')
				{
					Ms="||";i++;
				}
				else if(GetString[i+1]=='=')
				{
					Ms="|=";i++;
				}
				else Ms="|";break;
			case '*':  //  *  *=
				if(GetString[i+1]=='=')
				{
					Ms="*=";i++;
				}
				else if(GetString[i+1]=='/')
				{
					Ms="*/";i++;
				}
				else Ms="*";break;
			case '/':  /////   /=
				if(GetString[i+1]=='=')
				{
					Ms="/=";i++;
				}
				else if(GetString[i+1]=='*')
				{ 
					i++;
					while(GetString[i+1]!='\0'&&!(GetString[i+1]=='*'&&GetString[i+2]=='/'))i++;
					Ms="/*";
				}
				else if(GetString[i+1]=='/')
				{
					while(GetString[1+i]!='\n'&&GetString[i+1]!='\0')++i;
					Ms="//";
				}
				
				else Ms="/";break;
			case '=':  ///  ==  =
				if(GetString[i+1]=='=')
				{
					Ms="==";i++;
				}
				else Ms="=";break;
			case '%':
				if(GetString[i+1]=='=')
				{
					Ms="%=";i++;
				}
				else Ms="%";break;
			case '.':
				if(GetString[i+1]=='*')
				{
					Ms=".*";i++;
				}
				else Ms=".";break;
			case '(':
				Ms="(";break;
			case ')':
				Ms=")";break;
			case ':':
				if(GetString[i+1]==':')
				{
					Ms="::";i++;
				}
				else Ms=":";break;
			case '{':
				Ms="{";break;
			case '}':
				Ms="}";break;
			case '[':
				Ms="[";break;
			case ']':
				Ms="]";break;
			case '~':
				Ms="~";break;
        }
		
		if(SZTemp==1)ID="数字常量";
		else if(Ms=="\0")ID="\r\r\r\n---编译结束-----";
		else
		{
			Temp=MyCompare(KEYWORDS,Ms,Sum);
			if(GetString[i+1]=='\0')ID=_T("");
			else if(Temp==-1)ID="变量";
			else ID.Format(_T("%d"),Temp+START);

		}
		
		
		
		CS=CS+Ms+"           "+ID+"\r\n";
		ID=_T("");SZTemp=0;
		i++;
    }
	m_show=CS;
	UpdateData(0);
}
int CBianyiDlg::MyCompare(CString KEYWORDS[],CString Ms,int Sum)
{
	int loop,result=1;
	for(loop=0;loop<Sum;loop++)
		if(!strcmp(KEYWORDS[loop],Ms) )return loop;
	return -1;

}
BOOL CBianyiDlg::Empty(char Ch)
{
	if(Ch=='\r'||Ch=='\n'||Ch==' '||Ch=='\b'||Ch=='\t')return TRUE;
	else return FALSE;

}
BOOL CBianyiDlg::Shuzi(char Ch)
{
	if(Ch>='0'&&Ch<='9')return TRUE;
	else return FALSE;
}
BOOL CBianyiDlg::ZOrX(char Ch)
{
	if(Ch>='a'&&Ch<='z' || Ch>='A'&&Ch<='Z' || Ch=='_')return TRUE;
	else return FALSE;
}
BOOL CBianyiDlg::ZOrXOrS(char Ch)
{
	if(Ch>='a'&&Ch<='z' || Ch>='A'&&Ch<='Z' || Ch=='_'||Ch>='0'&&Ch<='9')return TRUE;
	else return FALSE;
}

void CBianyiDlg::OnButton3() 
{
	// TODO: Add your control notification handler code here
	CFileDialog m_File(true);
	ofstream myFile;
	CString Get,Ms=_T(""),s;
	if (m_File.DoModal() == IDOK)
	{
		Get= m_File.GetFileName();
	
		ifstream OpenFile(Get);
		char ch;
		while(!OpenFile.eof())
		{
			OpenFile.get(ch);
			if(ch=='\n')Ms=Ms+'\r'+'\n';
			else Ms=Ms+ch;
		}
		int length=Ms.GetLength();
		m_get.SetWindowText(Ms);
		UpdateData(0);
		m_str=Ms;
		OpenFile.close();
		
	}
//	Get=file->;
//	myFile.open(Get,ios::out,filebuf::openprot);
//	

	
	
}

void CBianyiDlg::OnChangeEditGet() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	m_get.ModifyStyle(0, ES_WANTRETURN);
	

//	m_Edit.ModifyStyle(0, ES_WANTRETURN);
	
}