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資源簡介

LR(0)文法分析器(LR (0) grammar parser)對于實現整個編譯器而言,語法分析器是整個過程的核心部分,同時對構造整個編譯器起到了關鍵作用,對程序的進一步擴展,以后有機會涉及對編譯器的編寫而言,將會是很容易便上手,當然,對于復雜的文法,復雜的語言而言,需要對文法的識別進一步擴展

資源截圖

代碼片段和文件信息

//?AnalyzeDlg.cpp?:?implementation?file
//

#include?“stdafx.h“
#include?“LR0ForWin.h“
#include?“AnalyzeDlg.h“
#include?
#include?
#include?“Pair.h“
using?namespace?std;

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

/////////////////////////////////////////////////////////////////////////////
//?CAnalyzeDlg?dialog


CAnalyzeDlg::CAnalyzeDlg(CWnd*?pParent?/*=NULL*/)//分析句子窗口
:?CResizingDialog(CAnalyzeDlg::IDD?pParent)
{
//{{AFX_DATA_INIT(CAnalyzeDlg)
m_input?=?_T(““);
//}}AFX_DATA_INIT
m_strTempFilename?=?““;
m_pTree?=?new?CTreeDlg;
m_pTree->Create(IDD_DIALOG3?this);
m_pTree->SetControlInfo(IDC_TREE1?RESIZE_BOTH);
m_pTree->SetControlInfo(IDOK?ANCHORE_BOTTOM?|?ANCHORE_RIGHT);
}

CAnalyzeDlg::~CAnalyzeDlg()
{
m_pTree->DestroyWindow();
delete?m_pTree;
}

void?CAnalyzeDlg::DoDataExchange(CDataExchange*?pDX)
{
CResizingDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAnalyzeDlg)
DDX_Control(pDX?IDC_EDIT1?m_edit1);
DDX_Control(pDX?IDC_EXPLORER1?m_web);
DDX_Text(pDX?IDC_EDIT1?m_input);
//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CAnalyzeDlg?CResizingDialog)
//{{AFX_MSG_MAP(CAnalyzeDlg)
ON_BN_CLICKED(IDC_BUTTON1?OnButton1)
ON_BN_CLICKED(IDC_BUTTON2?OnButton2)
ON_WM_ACTIVATE()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
//?CAnalyzeDlg?message?handlers

void?CAnalyzeDlg::OnOK()?
{
//?TODO:?Add?extra?validation?here

//CDialog::OnOK();
}

void?CAnalyzeDlg::OnCancel()//分析句子的關閉按鈕
{
//?TODO:?Add?extra?cleanup?here
if?(m_strTempFilename?!=?““)
DeleteFile(m_strTempFilename.c_str());
CResizingDialog::OnCancel();
}

void?CAnalyzeDlg::OnButton1()?//分析句子的分析按鈕
{
//?TODO:?Add?your?control?notification?handler?code?here
UpdateData(TRUE);
m_pTree->m_tree.DeleteAllItems();

for(int?i?=?0;?i? {
if?(!m_g.IsInVt(m_input.GetAt(i)))
{
MessageBox(“輸入的句子不全部由終結符組成“?“錯誤“?MB_OK?|?MB_IConstop);
return;
}
}
assert(TreeStack.empty());
m_input?+=?“#“;
char?szTempPath[MAX_PATH];?
char?szTempName[MAX_PATH];?
if?(m_strTempFilename?!=?““)
::DeleteFile(m_strTempFilename.c_str());
::GetTempPath(100szTempPath);
::GetTempFileName(szTempPath“LR0“0szTempName);
m_strTempFilename?=?szTempName;
CStdioFile?out;
out.Open(szTempName?CFile::modeCreate?|?CFile::modeWrite);
out.WriteString(“\n“);//寫表
out.WriteString(“\n“);
out.WriteString(“tle>Untitled?Documenttle>\n“);
out.WriteString(“ta?http-equiv=\“Content-Type\“?content=\“text/html;?charset=gb2312\“>\n“);
out.WriteString(“\n“);
out.WriteString(“\n“);
out.WriteString(“yle=\“border-collapse:?collapse\“?bordercolor=\“#111111\“>\n“);
out.WriteString(“\n 步驟&

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????121??2002-05-24?00:50??Copy?of?LR0ForWin\1.txt

?????文件????????115??2002-05-24?16:12??Copy?of?LR0ForWin\2.txt

?????文件?????????98??2002-05-26?23:24??Copy?of?LR0ForWin\3.txt

?????文件????????123??2002-05-26?22:38??Copy?of?LR0ForWin\4.txt

?????文件????????155??2002-05-26?23:35??Copy?of?LR0ForWin\5.txt

?????文件???????8490??2010-01-01?21:12??Copy?of?LR0ForWin\AnalyzeDlg.cpp

?????文件???????1917??2002-05-25?00:57??Copy?of?LR0ForWin\AnalyzeDlg.h

?????文件?????166772??2010-01-01?23:53??Copy?of?LR0ForWin\Debug\AnalyzeDlg.obj

?????文件??????????0??2010-01-01?23:53??Copy?of?LR0ForWin\Debug\AnalyzeDlg.sbr

?????文件??????64038??2009-12-23?12:11??Copy?of?LR0ForWin\Debug\explorer.obj

?????文件??????????0??2009-12-23?12:11??Copy?of?LR0ForWin\Debug\explorer.sbr

?????文件???????3609??2009-12-23?12:11??Copy?of?LR0ForWin\Debug\GoData.obj

?????文件??????????0??2009-12-23?12:11??Copy?of?LR0ForWin\Debug\GoData.sbr

?????文件?????186803??2010-01-05?21:17??Copy?of?LR0ForWin\Debug\Grammar.obj

?????文件??????????0??2010-01-05?21:17??Copy?of?LR0ForWin\Debug\Grammar.sbr

?????文件????3859456??2010-01-05?21:18??Copy?of?LR0ForWin\Debug\LR0ForWin.bsc

?????文件?????233605??2010-01-05?21:18??Copy?of?LR0ForWin\Debug\LR0ForWin.exe

?????文件?????757932??2010-01-05?21:18??Copy?of?LR0ForWin\Debug\LR0ForWin.ilk

?????文件??????15940??2010-01-04?23:32??Copy?of?LR0ForWin\Debug\LR0ForWin.obj

?????文件????6870840??2009-12-23?12:11??Copy?of?LR0ForWin\Debug\LR0ForWin.pch

?????文件?????852992??2010-01-01?23:53??Copy?of?LR0ForWin\Debug\LR0ForWin.pdb

?????文件???????4720??2010-01-01?10:54??Copy?of?LR0ForWin\Debug\LR0ForWin.res

?????文件??????????0??2010-01-04?23:32??Copy?of?LR0ForWin\Debug\LR0ForWin.sbr

?????文件??????69902??2010-01-01?23:53??Copy?of?LR0ForWin\Debug\LR0ForWinDlg.obj

?????文件??????????0??2010-01-01?23:53??Copy?of?LR0ForWin\Debug\LR0ForWinDlg.sbr

?????文件???????4222??2010-01-01?23:53??Copy?of?LR0ForWin\Debug\Pair.obj

?????文件??????????0??2010-01-01?23:53??Copy?of?LR0ForWin\Debug\Pair.sbr

?????文件??????17884??2010-01-01?23:17??Copy?of?LR0ForWin\Debug\Precept.obj

?????文件??????????0??2010-01-01?23:17??Copy?of?LR0ForWin\Debug\Precept.sbr

?????文件??????46921??2010-01-01?23:53??Copy?of?LR0ForWin\Debug\ProjectSet.obj

............此處省略58個文件信息

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