pl0dlg.cpp

一个VisualC++实现的C-语言的编译器

// PL0Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "PL0.h"
#include "PL0Dlg.h"
#include "AboutDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CPL0Dlg dialog

CPL0Dlg::CPL0Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPL0Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPL0Dlg)
	m_cStateBar = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CPL0Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPL0Dlg)
	DDX_Control(pDX, IDC_OUTCTRL, m_cOut);
	DDX_Control(pDX, IDC_INCTRL, m_cIn);
	DDX_Text(pDX, IDC_STATEBAR, m_cStateBar);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPL0Dlg, CDialog)
	//{{AFX_MSG_MAP(CPL0Dlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(ID_MENUITEM_ABOUT, OnMenuitemAbout)
	ON_COMMAND(ID_MENUITEM_NEW, OnMenuitemNew)
	ON_COMMAND(ID_MENUITEM_OPEN, OnMenuitemOpen)
	ON_COMMAND(ID_MENUITEM_SAVE, OnMenuitemSave)
	ON_COMMAND(ID_MENUITEM_SAVEAS, OnMenuitemSaveas)
	ON_COMMAND(ID_MENUITEM_EXIT, OnMenuitemExit)
	ON_COMMAND(ID_MENUITEM_UNDO, OnMenuitemUndo)
	ON_COMMAND(ID_MENUITEM_CUT, OnMenuitemCut)
	ON_COMMAND(ID_MENUITEM_COPY, OnMenuitemCopy)
	ON_COMMAND(ID_MENUITEM_PASTE, OnMenuitemPaste)
	ON_COMMAND(ID_MENUITEM_DEL, OnMenuitemDel)
	ON_COMMAND(ID_MENUITEM_ALL, OnMenuitemAll)
	ON_COMMAND(ID_MENUITEM_CIFA, OnMenuitemCifa)
	ON_COMMAND(ID_MENUITEM_YUFA, OnMenuitemYufa)
	ON_COMMAND(ID_MENUITEM_YUYI, OnMenuitemYuyi)
	ON_COMMAND(ID_MENUITEM_MANUAL, OnMenuitemManual)
	ON_WM_CLOSE()
	ON_EN_UPDATE(IDC_INCTRL, OnUpdateInctrl)
	ON_BN_CLICKED(IDC_BUTTON_CIFA, OnButtonCifa)
	ON_BN_CLICKED(IDC_BUTTON_YUFA, OnButtonYufa)
	ON_BN_CLICKED(IDC_BUTTON_YUYI, OnButtonYuyi)
	ON_UPDATE_COMMAND_UI(ID_MENUITEM_ALL, OnUpdateMenuitemAll)
	ON_UPDATE_COMMAND_UI(ID_MENUITEM_DEL, OnUpdateMenuitemDel)
	ON_UPDATE_COMMAND_UI(ID_MENUITEM_PASTE, OnUpdateMenuitemPaste)
	ON_UPDATE_COMMAND_UI(ID_MENUITEM_COPY, OnUpdateMenuitemCopy)
	ON_UPDATE_COMMAND_UI(ID_MENUITEM_CUT, OnUpdateMenuitemCut)
	ON_UPDATE_COMMAND_UI(ID_MENUITEM_UNDO, OnUpdateMenuitemUndo)
	ON_COMMAND(ID_MENUITEM_SYS, OnMenuitemSys)
	ON_UPDATE_COMMAND_UI(ID_MENUITEM_SYS, OnUpdateMenuitemSys)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPL0Dlg message handlers

BOOL CPL0Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		pSysMenu->DeleteMenu(4,MF_BYPOSITION);
		pSysMenu->DeleteMenu(2,MF_BYPOSITION);
	}

	// 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_cIn.SetModify(FALSE);
	OnMenuitemNew();
	m_bSysEnable=TRUE;
	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 CPL0Dlg::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 CPL0Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CPL0Dlg::OnMenuitemAbout() 
{
	// TODO: Add your command handler code here
	CAboutDlg dlg;
	dlg.DoModal();
}

void CPL0Dlg::OnMenuitemNew() 
{
	// TODO: Add your command handler code here
	if (m_cIn.GetModify())
	{
		switch (AfxMessageBox("要保存修改吗？！",MB_YESNOCANCEL|MB_ICONQUESTION))
		{
		case IDYES:
			OnMenuitemSave();
			break;
		case IDCANCEL:
			return;
		default:
			;
		}
	}
    m_strCurFile="";
	m_cIn.SetSel(0,-1);
	m_cIn.Clear();
	m_cIn.EmptyUndoBuffer();
	SetWindowText("PL/0 编译器  当前源文件：无标题");
    m_cIn.SetModify(FALSE);
}

void CPL0Dlg::OnMenuitemOpen() 
{
	// TODO: Add your command handler code here
	if (m_cIn.GetModify())
	{
		switch (AfxMessageBox("要保存修改吗？！",MB_YESNOCANCEL|MB_ICONQUESTION))
		{
		case IDYES:
			OnMenuitemSave();
			break;
		case IDCANCEL:
			return;
		default:
			;
		}
	}
	CFileDialog fdlg(TRUE,"pl0",NULL,OFN_FILEMUSTEXIST,
		"PL/0 源程序文件(*.pl0)|*.pl0|所有文件(*.*)|*.*||",this);
    fdlg.m_ofn.lpstrTitle="打开PL/0源程序文件";
	if (fdlg.DoModal()==IDOK)
	{
		m_strCurFile=fdlg.GetPathName();
		CFile f;
		f.Open(m_strCurFile,CFile::modeRead);
		char buf[30001];
		int sz=f.Read(buf,30000);
		buf[sz]=0;
		m_cIn.SetWindowText(buf);
		m_cIn.SetSel(0,0);
		f.Close();
		char a[255];
		::strcpy(a,"PL/0 编译器  当前源文件：");
		::strcat(a,m_strCurFile.GetBuffer(0));
		SetWindowText(a);
		m_cIn.SetModify(FALSE);
	}
}

void CPL0Dlg::OnMenuitemSave() 
{
	// TODO: Add your command handler code here
	if (m_strCurFile!="")
	{
		char buf[30001];
		int sz=m_cIn.GetWindowText(buf,30000);
		CFile f;
	    f.Open(m_strCurFile,CFile::modeWrite|CFile::modeCreate);
	    f.Write(buf,sz);
	    f.Close();
		char a[255];
		::strcpy(a,"PL/0 编译器  当前源文件：");
		::strcat(a,m_strCurFile.GetBuffer(0));
		SetWindowText(a);
		m_cIn.SetModify(FALSE);
	}
	else
	{
		OnMenuitemSaveas();
	}
}

void CPL0Dlg::OnMenuitemSaveas() 
{
	// TODO: Add your command handler code here
	CFileDialog fdlg(FALSE,"pl0",NULL,OFN_OVERWRITEPROMPT,
		"PL/0 源程序文件(*.pl0)|*.pl0|所有文件(*.*)|*.*||",this);
	fdlg.m_ofn.lpstrTitle="保存PL/0源程序文件";
	if (fdlg.DoModal()==IDOK)
	{
		m_strCurFile=fdlg.GetPathName();
		char buf[30001];
		int sz=m_cIn.GetWindowText(buf,30000);
		CFile f;
	    f.Open(m_strCurFile,CFile::modeWrite|CFile::modeCreate);
	    f.Write(buf,sz);
	    f.Close();
		m_cIn.SetModify(FALSE);
		char a[255];
		::strcpy(a,"PL/0 编译器  当前源文件：");
		::strcat(a,m_strCurFile.GetBuffer(0));
		SetWindowText(a);
	}
}

void CPL0Dlg::OnMenuitemExit() 
{
	// TODO: Add your command handler code here
	OnClose();
}

void CPL0Dlg::OnMenuitemUndo() 
{
	// TODO: Add your command handler code here
	if (m_cIn.GetFocus()==&m_cIn) m_cIn.Undo();
}

void CPL0Dlg::OnMenuitemCut() 
{
	// TODO: Add your command handler code here
	if (m_cIn.GetFocus()==&m_cIn) m_cIn.Cut();
}

void CPL0Dlg::OnMenuitemCopy() 
{
	// TODO: Add your command handler code here
	if (m_cIn.GetFocus()==&m_cIn) m_cIn.Copy();
	if (m_cIn.GetFocus()==&m_cOut) m_cOut.Copy();
}

void CPL0Dlg::OnMenuitemPaste() 
{
	// TODO: Add your command handler code here
	if (m_cIn.GetFocus()==&m_cIn) m_cIn.Paste();
}

void CPL0Dlg::OnMenuitemDel() 
{
	// TODO: Add your command handler code here
	if (m_cIn.GetFocus()==&m_cIn) m_cIn.Clear();
}

void CPL0Dlg::OnMenuitemAll() 
{
	// TODO: Add your command handler code here
	if (m_cIn.GetFocus()==&m_cIn) m_cIn.SetSel(0,-1);
	if (m_cIn.GetFocus()==&m_cOut) m_cOut.SetSel(0,-1);
}

void CPL0Dlg::OnMenuitemCifa() 
{
	// TODO: Add your command handler code here
	char buf[30003];
	int sz=m_cIn.GetWindowText(buf,30000);
	buf[sz]=0;
	::strcpy(m_Compiler.GetTable()->SourseBuffer,buf);
	m_Compiler.CiFaFengXi();
	CifaResult * * p=m_Compiler.GetTable()->LexicalDuad;
	int s=0;
	int a=p[s]->type;
	while ((p[s]->type)>=0)
		s++;
	char (*ep)[100];
	ep=m_Compiler.GetTable()->ErrorMessageTable;
	//result to : p,s,ep
	m_cOut.SetWindowText("");
	CString str;
	int ErrorCount=0;
	str.Format("输出格式：二元式序列（类型，值）单词\r\n\r\n");
	m_cOut.AppendText(str.GetBuffer(0));
	for (int i=0;i<s;i++)
	{
		if (p[i]->type>0)
		{
			str.Format("(%d,%d)\t%s\r\n",p[i]->type,p[i]->value,p[i]->text);
			m_cOut.AppendText(str.GetBuffer(0));
		}
		else
		{
			ErrorCount++;
			if (p[i]->value==2 && (p[i]->text[0]>126 || p[i]->text[0]<32))
			{
				str.Format("错误号：%d %s 【 无法显示该字符！ 】\r\n",
					p[i]->value,ep[p[i]->value]);
				m_cOut.AppendText(str.GetBuffer(0));
			}