mylexdlg.h

我花了很长时间做的一个语法分析器

// MyLEXDlg.h : 头文件
//

#pragma once
#include "afxwin.h"

#include "listTree.h"
#include "Dlg.h"
// CMyLEXDlg 对话框
struct VEC
{
	int i;
	CString name;
} ;
class CMyLEXDlg : public CDialog
{
// 构造
public:
	CMyLEXDlg(CWnd* pParent = NULL);	// 标准构造函数

// 对话框数据
	enum { IDD = IDD_MYLEX_DIALOG };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV 支持


// 实现
protected:
	HICON m_hIcon;

	// 生成的消息映射函数
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	DECLARE_MESSAGE_MAP()
public:
	CEdit m_program;
	CString m_p;
	CEdit m_answer;
	CString m_a;
	int GetToken(CString & name);
	//enum key {if1=1,}
	enum Key{If=1,Then,Else,End,Repeat,Until,Read,Write};
	enum kind {id=9,num,plus,dec,mul,div,equ,sml,lef,rig,fen,fuz};
	int num1;
	afx_msg void OnBnClickedFenxi();
	TreeNode *program;
	TreeNode* prase();
	CString m_all;
	CString m_s;
	List<VEC*> vl;
	int p;
	TreeNode* stmt_seqence(TreeNode* root);
	TreeNode* stmt_seqence1(TreeNode* root);
	TreeNode* statement(TreeNode* root);
	TreeNode* if_stmt(TreeNode* root);
	TreeNode* if11(TreeNode* root);
	TreeNode* repeat_stmt(TreeNode* root);
	TreeNode* read_stmt(TreeNode* root);
	TreeNode* write_stmt(TreeNode* root);
	TreeNode* assign_stmt(TreeNode* root);

	TreeNode* exp(TreeNode* root);
	TreeNode* exp1(TreeNode* root);
	TreeNode* simple_exp(TreeNode* root);
	TreeNode* simple_exp1(TreeNode* root);
	TreeNode* comparison_op(TreeNode* root);
	TreeNode* term(TreeNode* root);
	TreeNode* add_op(TreeNode* root);
	TreeNode* term1(TreeNode* root);
	TreeNode* mul_op(TreeNode* root);
	TreeNode* factor(TreeNode* root);

    bool match(int i);
	afx_msg void OnBnClickedCheck();
	//CButton m_bCtrl;
	virtual BOOL DestroyWindow();
protected:
	virtual void OnCancel();
};