开通博客赚积分
发布资源赚积分
分类

源码开发语言/平台
当前位置：首页 > 源码/资料 > 多国语言处理 > 词法分析 > 查看源码
bianyiDlg.cpp
资源名称：编译原理-词法分析器.rar　[点击查看]
上传用户：imnightsky
上传日期：2013-04-01
资源大小：37k
文件大小：12k
源码类别：

词法分析

开发平台：

Visual C++

bianyiDlg.cpp：源码内容
  1. // bianyiDlg.cpp : implementation file
  2. //
  4. #include "stdafx.h"
  5. #include "bianyi.h"
  6. #include "bianyiDlg.h"
  7. #include<ctype.h>
  9. #ifdef _DEBUG
  10. #define new DEBUG_NEW
  11. #undef THIS_FILE
  12. static char THIS_FILE[] = __FILE__;
  13. #endif
  15. /////////////////////////////////////////////////////////////////////////////
  16. // CAboutDlg dialog used for App About
  18. class CAboutDlg : public CDialog
  19. {
  20. public:
  21. CAboutDlg();
  23. // Dialog Data
  24. //{{AFX_DATA(CAboutDlg)
  25. enum { IDD = IDD_ABOUTBOX };
  26. //}}AFX_DATA
  28. // ClassWizard generated virtual function overrides
  29. //{{AFX_VIRTUAL(CAboutDlg)
  30. protected:
  31. virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
  32. //}}AFX_VIRTUAL
  34. // Implementation
  35. protected:
  36. //{{AFX_MSG(CAboutDlg)
  37. //}}AFX_MSG
  38. DECLARE_MESSAGE_MAP()
  39. };
  41. CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
  42. {
  43. //{{AFX_DATA_INIT(CAboutDlg)
  44. //}}AFX_DATA_INIT
  45. }
  47. void CAboutDlg::DoDataExchange(CDataExchange* pDX)
  48. {
  49. CDialog::DoDataExchange(pDX);
  50. //{{AFX_DATA_MAP(CAboutDlg)
  51. //}}AFX_DATA_MAP
  52. }
  54. BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
  55. //{{AFX_MSG_MAP(CAboutDlg)
  56. // No message handlers
  57. //}}AFX_MSG_MAP
  58. END_MESSAGE_MAP()
  60. /////////////////////////////////////////////////////////////////////////////
  61. // CBianyiDlg dialog
  63. CBianyiDlg::CBianyiDlg(CWnd* pParent /*=NULL*/)
  64. : CDialog(CBianyiDlg::IDD, pParent)
  65. {
  66. //{{AFX_DATA_INIT(CBianyiDlg)
  67. m_show = _T("");
  68. //}}AFX_DATA_INIT
  69. // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
  70. m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
  71. }
  73. void CBianyiDlg::DoDataExchange(CDataExchange* pDX)
  74. {
  75. CDialog::DoDataExchange(pDX);
  76. //{{AFX_DATA_MAP(CBianyiDlg)
  77. DDX_Control(pDX, IDC_EDIT_SHOW, m_com);
  78. DDX_Control(pDX, IDC_EDIT_GET, m_get);
  79. DDX_Text(pDX, IDC_EDIT_SHOW, m_show);
  80. //}}AFX_DATA_MAP
  81. }
  83. BEGIN_MESSAGE_MAP(CBianyiDlg, CDialog)
  84. //{{AFX_MSG_MAP(CBianyiDlg)
  85. ON_WM_SYSCOMMAND()
  86. ON_WM_PAINT()
  87. ON_WM_QUERYDRAGICON()
  88. ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
  89. ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
  90. ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
  91. ON_EN_CHANGE(IDC_EDIT_GET, OnChangeEditGet)
  92. //}}AFX_MSG_MAP
  93. END_MESSAGE_MAP()
  95. /////////////////////////////////////////////////////////////////////////////
  96. // CBianyiDlg message handlers
  98. BOOL CBianyiDlg::OnInitDialog()
  99. {
  100. CDialog::OnInitDialog();
  102. // Add "About..." menu item to system menu.
  104. // IDM_ABOUTBOX must be in the system command range.
  105. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
  106. ASSERT(IDM_ABOUTBOX < 0xF000);
  108. CMenu* pSysMenu = GetSystemMenu(FALSE);
  109. if (pSysMenu != NULL)
  110. {
  111. CString strAboutMenu;
  112. strAboutMenu.LoadString(IDS_ABOUTBOX);
  113. if (!strAboutMenu.IsEmpty())
  114. {
  115. pSysMenu->AppendMenu(MF_SEPARATOR);
  116. pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
  117. }
  118. }
  120. // Set the icon for this dialog.  The framework does this automatically
  121. //  when the application's main window is not a dialog
  122. SetIcon(m_hIcon, TRUE); // Set big icon
  123. SetIcon(m_hIcon, FALSE); // Set small icon
  125. // TODO: Add extra initialization here
  127. return TRUE;  // return TRUE  unless you set the focus to a control
  128. }
  130. void CBianyiDlg::OnSysCommand(UINT nID, LPARAM lParam)
  131. {
  132. if ((nID & 0xFFF0) == IDM_ABOUTBOX)
  133. {
  134. CAboutDlg dlgAbout;
  135. dlgAbout.DoModal();
  136. }
  137. else
  138. {
  139. CDialog::OnSysCommand(nID, lParam);
  140. }
  141. }
  143. // If you add a minimize button to your dialog, you will need the code below
  144. //  to draw the icon.  For MFC applications using the document/view model,
  145. //  this is automatically done for you by the framework.
  147. void CBianyiDlg::OnPaint() 
  148. {
  149. if (IsIconic())
  150. {
  151. CPaintDC dc(this); // device context for painting
  153. SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
  155. // Center icon in client rectangle
  156. int cxIcon = GetSystemMetrics(SM_CXICON);
  157. int cyIcon = GetSystemMetrics(SM_CYICON);
  158. CRect rect;
  159. GetClientRect(&rect);
  160. int x = (rect.Width() - cxIcon + 1) / 2;
  161. int y = (rect.Height() - cyIcon + 1) / 2;
  163. // Draw the icon
  164. dc.DrawIcon(x, y, m_hIcon);
  165. }
  166. else
  167. {
  168. CDialog::OnPaint();
  169. }
  170. }
  171. // The system calls this to obtain the cursor to display while the user drags
  172. //  the minimized window.
  173. HCURSOR CBianyiDlg::OnQueryDragIcon()
  174. {
  175. return (HCURSOR) m_hIcon;
  176. }
  178. void CBianyiDlg::OnButton1() 
  179. {
  180. CString GetString;
  181. m_get.GetWindowText(GetString);
  182. GetString=GetString+'';
  183. Saomiao(GetString);
  184. UpdateData(0);
  186. }
  188. void CBianyiDlg::OnButton2() 
  189. {
  190. m_show=_T("");
  191. m_get.SetWindowText("");
  192. UpdateData(0);
  193. // TODO: Add your control notification handler code here
  195. }
  196. void CBianyiDlg::Saomiao(CString GetString)
  197. {
  199. int i=0,Temp,Sum=117,START=2000,SZTemp=0;
  200. char Ch=' ';
  201. CString MidString,Ms,s=_T(""),ID,CS;
  202. CString KEYWORDS[117]={"else","main","struct","enum","switch","auto","template","explicit",
  203. "this","bool","extern","mutable","break","false","throw","case","namespace","true",
  204. "catch","new","try","float","noreturn","char","for","operator","typedef",
  205. "class","friend","private","typeid","const","goto","protected","typename","const_cast",
  206. "if","public","union","continue","inline","register","unsigned","reinterpret_cast",
  207. "using","default","int","return","uuid","delete","short","signed","virtual","sizeof",
  208. "void","do","static","volatile","double","static_cast","dynamic_cast","long","while",
  209.     "<<=","<","<=","<<",">>",">>=",">",">=","->*","-","--","-=","->",
  210. "+=","+","++","^=","^","&=","&&","&","|","|=","||","*=","*","/=","/","//","/*","*/","%=","%",
  211. "=","==","!=","!",".*",".","::",":","{","}","(",")","[","]","~",",","?","#",";","'","""};
  212. while(Ch!='')
  213. {
  214. Ch=GetString[i];
  215. while(Empty(Ch))Ch=GetString[++i];
  216. s.Format(_T("%c"),Ch);
  217. Ms=s;
  218. if(ZOrX(Ch))
  219. {
  220. SZTemp=0;
  221. while(ZOrXOrS(GetString[i+1]))
  222. {
  223. Ch=GetString[++i];
  224. s.Format(_T("%c"),Ch);
  225. Ms=Ms+s;
  227. }
  228. // Temp=MyCompare(KEYWORDS,Ms,Sum);
  229. // if(Temp==-1)ID="BIANLIANG";
  230. // else ID.Format(_T("%d"),Temp+START);
  231. // CS=CS+Ms+"     "+ID+"rn";
  232. // ID=_T("");
  233. }
  234. else if(Shuzi(Ch))
  235. {
  236. while(Shuzi(GetString[i+1]))
  237. {
  238. Ch=GetString[++i];
  239. s.Format(_T("%c"),Ch);
  240. Ms=Ms+s;
  241. }
  242. if(GetString[i+1]=='.')
  243. {
  244. Ch=GetString[++i];
  245. s.Format(_T("%c"),Ch);
  246. Ms=Ms+s;
  247. while(Shuzi(GetString[i+1]))
  248. {
  249. Ch=GetString[++i];
  250. s.Format(_T("%c"),Ch);
  251. Ms=Ms+s;
  252. }
  253. }
  254. SZTemp=1;
  255. // ID="CHANGLIANG";
  256. // CS=CS+Ms+"     "+ID+"rn";
  257. // ID=_T("");
  258. }
  259. else switch(Ch)  //////// 字符
  260. {
  261. case '<': ////////   <<=  <=   <<   <
  262. if(GetString[i+1]=='=')
  263. {
  264. Ms="<=";i++;
  265. }
  266. else if(GetString[i+1]=='<')
  267. {
  268. if(GetString[i+2]=='=')
  269. {
  270. Ms="<<=";i+=2;
  271. }
  272. else Ms="<<";
  273. i++;
  274. }
  275. else Ms="<";break;
  276. case '>': ////////    >=   >    >>=  >>
  277. if(GetString[i+1]=='=')
  278. {
  279. Ms=">=";i++;
  280. }
  281. else if(GetString[i+1]=='>')
  282. {
  283. if(GetString[i+2]=='=')
  284. {
  285. Ms=">>=";i+=2;
  286. }
  287. else Ms=">>";
  288. i++;
  289. }
  290. else Ms=">";break;
  291. case '-':   ///   ->*  -=   --   ->   -
  292. if(GetString[i+1]=='>')
  293. {
  294. if(GetString[i+2]=='*')
  295. {
  296. Ms="->*";i+=2;
  297. }
  298. else Ms="->";i++;
  299. }
  300. else if(GetString[i+1]=='=')
  301. {
  302. Ms="-=";i++;
  303. }
  304. else if(GetString[i+1]=='-')
  305. {
  306. Ms="--";i++;
  307. }
  308. /////////////////////
  309. else if(Shuzi(GetString[i+1]))
  310. {
  311. while(Shuzi(GetString[i+1]))
  312. {
  313. Ch=GetString[++i];
  314. s.Format(_T("%c"),Ch);
  315. Ms=Ms+s;
  316. }
  317. if(GetString[i+1]=='.')
  318. {
  319. Ch=GetString[++i];
  320. s.Format(_T("%c"),Ch);
  321. Ms=Ms+s;
  322. while(Shuzi(GetString[i+1]))
  323. {
  324. Ch=GetString[++i];
  325. s.Format(_T("%c"),Ch);
  326. Ms=Ms+s;
  327. }
  328. }
  329. SZTemp=1;
  330. }
  331. ////////////
  332. else Ms="-";break;
  333. case '+':  ////// +=   ++  +
  334. if(GetString[i+1]=='+')
  335. {
  336. Ms="++";i++;
  337. }
  338. else if(GetString[i+1]=='=')
  339. {
  340. Ms="+=";i++;
  341. }
  342. else Ms="+";break;
  343. case '&':  /////////  &&  &=   &
  344. if(GetString[i+1]=='&')
  345. { 
  346. Ms="&&";i++;
  347. }
  348. else if (GetString[i+1]=='=')
  349. {
  350. Ms="&=";i++;
  351. }
  352. else Ms="&";break;
  353. case '^':   ///////   ^=   ^
  354. if(GetString[i+1]=='=')
  355. {
  356. Ms="^=";i++;
  357. }
  358. else Ms="^";break;
  359. case '!':  ////  !=   !
  360. if(GetString[i+1]=='=')
  361. {
  362. Ms="!=";i++;
  363. }
  364. else Ms="!";break;
  365. case '|':   ////////  ||    |   |=
  366. if(GetString[i+1]=='|')
  367. {
  368. Ms="||";i++;
  369. }
  370. else if(GetString[i+1]=='=')
  371. {
  372. Ms="|=";i++;
  373. }
  374. else Ms="|";break;
  375. case '*':  //  *  *=
  376. if(GetString[i+1]=='=')
  377. {
  378. Ms="*=";i++;
  379. }
  380. else if(GetString[i+1]=='/')
  381. {
  382. Ms="*/";i++;
  383. }
  384. else Ms="*";break;
  385. case '/':  /////   /=
  386. if(GetString[i+1]=='=')
  387. {
  388. Ms="/=";i++;
  389. }
  390. else if(GetString[i+1]=='*')
  391. { 
  392. i++;
  393. while(GetString[i+1]!=''&&!(GetString[i+1]=='*'&&GetString[i+2]=='/'))i++;
  394. Ms="/*";
  395. }
  396. else if(GetString[i+1]=='/')
  397. {
  398. while(GetString[1+i]!='n'&&GetString[i+1]!='')++i;
  399. Ms="//";
  400. }
  402. else Ms="/";break;
  403. case '=':  ///  ==  =
  404. if(GetString[i+1]=='=')
  405. {
  406. Ms="==";i++;
  407. }
  408. else Ms="=";break;
  409. case '%':
  410. if(GetString[i+1]=='=')
  411. {
  412. Ms="%=";i++;
  413. }
  414. else Ms="%";break;
  415. case '.':
  416. if(GetString[i+1]=='*')
  417. {
  418. Ms=".*";i++;
  419. }
  420. else Ms=".";break;
  421. case '(':
  422. Ms="(";break;
  423. case ')':
  424. Ms=")";break;
  425. case ':':
  426. if(GetString[i+1]==':')
  427. {
  428. Ms="::";i++;
  429. }
  430. else Ms=":";break;
  431. case '{':
  432. Ms="{";break;
  433. case '}':
  434. Ms="}";break;
  435. case '[':
  436. Ms="[";break;
  437. case ']':
  438. Ms="]";break;
  439. case '~':
  440. Ms="~";break;
  441.         }
  443. if(SZTemp==1)ID="数字常量";
  444. else if(Ms=="")ID="rrrn---编译结束-----";
  445. else
  446. {
  447. Temp=MyCompare(KEYWORDS,Ms,Sum);
  448. if(GetString[i+1]=='')ID=_T("");
  449. else if(Temp==-1)ID="变量";
  450. else ID.Format(_T("%d"),Temp+START);
  452. }
  456. CS=CS+Ms+"           "+ID+"rn";
  457. ID=_T("");SZTemp=0;
  458. i++;
  459.     }
  460. m_show=CS;
  461. UpdateData(0);
  462. }
  463. int CBianyiDlg::MyCompare(CString KEYWORDS[],CString Ms,int Sum)
  464. {
  465. int loop,result=1;
  466. for(loop=0;loop<Sum;loop++)
  467. if(!strcmp(KEYWORDS[loop],Ms) )return loop;
  468. return -1;
  470. }
  471. BOOL CBianyiDlg::Empty(char Ch)
  472. {
  473. if(Ch=='r'||Ch=='n'||Ch==' '||Ch=='b'||Ch=='t')return TRUE;
  474. else return FALSE;
  476. }
  477. BOOL CBianyiDlg::Shuzi(char Ch)
  478. {
  479. if(Ch>='0'&&Ch<='9')return TRUE;
  480. else return FALSE;
  481. }
  482. BOOL CBianyiDlg::ZOrX(char Ch)
  483. {
  484. if(Ch>='a'&&Ch<='z' || Ch>='A'&&Ch<='Z' || Ch=='_')return TRUE;
  485. else return FALSE;
  486. }
  487. BOOL CBianyiDlg::ZOrXOrS(char Ch)
  488. {
  489. if(Ch>='a'&&Ch<='z' || Ch>='A'&&Ch<='Z' || Ch=='_'||Ch>='0'&&Ch<='9')return TRUE;
  490. else return FALSE;
  491. }
  493. void CBianyiDlg::OnButton3() 
  494. {
  495. // TODO: Add your control notification handler code here
  496. CFileDialog m_File(true);
  497. ofstream myFile;
  498. CString Get,Ms=_T(""),s;
  499. if (m_File.DoModal() == IDOK)
  500. {
  501. Get= m_File.GetFileName();
  503. ifstream OpenFile(Get);
  504. char ch;
  505. while(!OpenFile.eof())
  506. {
  507. OpenFile.get(ch);
  508. if(ch=='n')Ms=Ms+'r'+'n';
  509. else Ms=Ms+ch;
  510. }
  511. int length=Ms.GetLength();
  512. m_get.SetWindowText(Ms);
  513. UpdateData(0);
  514. m_str=Ms;
  515. OpenFile.close();
  517. }
  518. // Get=file->;
  519. // myFile.open(Get,ios::out,filebuf::openprot);
  520. //
  524. }
  526. void CBianyiDlg::OnChangeEditGet() 
  527. {
  528. // TODO: If this is a RICHEDIT control, the control will not
  529. // send this notification unless you override the CDialog::OnInitDialog()
  530. // function and call CRichEditCtrl().SetEventMask()
  531. // with the ENM_CHANGE flag ORed into the mask.
  533. // TODO: Add your control notification handler code here
  534. m_get.ModifyStyle(0, ES_WANTRETURN);
  537. // m_Edit.ModifyStyle(0, ES_WANTRETURN);
  539. }