scannerdlg.h

自己在学习编译原理时用VC++写的词法分析器

// ScannerDlg.h : header file
//

#if !defined(AFX_SCANNERDLG_H__582AA5D9_D4F2_49A7_9BD2_2370B0F7C6DF__INCLUDED_)
#define AFX_SCANNERDLG_H__582AA5D9_D4F2_49A7_9BD2_2370B0F7C6DF__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
// CScannerDlg dialog

class CScannerDlg : public CDialog
{
// Construction
public:
	CScannerDlg(CWnd* pParent = NULL);	// standard constructor
public:
	int value;
	int length;
	BOOL ends;
	char ch;
	bool digit;//标识小数和整数
	bool str;//标识字符常量
	int point;
	int code;

	CString strToken;
    int PrimaryKey[50];
	CString Identifier[50];
	CString Const[50];
	int tag[50];//标识常量类型，其中0为整数，1为小数，2为字符常量，3为布尔常量
	CString Symbol[100];

public:
	char GetChar();
	void GetBC();
	void Concat();
	BOOL IsLetter();
	BOOL IsDigit();
	int Reserve();
	void Retract();
	int InsertId();
	int InsertConst();
	int InsertSymbol();
	void ShowOut();
// Dialog Data
	//{{AFX_DATA(CScannerDlg)
	enum { IDD = IDD_SCANNER_DIALOG };
	CEdit	m_edit_source;
	CEdit	m_edit_result;
	CString	m_result;
	CString	m_source;
	//}}AFX_DATA

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

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CScannerDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnScan();
	afx_msg void Onclear();
	afx_msg void OnCancel();
	afx_msg void OnButton3();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_SCANNERDLG_H__582AA5D9_D4F2_49A7_9BD2_2370B0F7C6DF__INCLUDED_)