/*** mep.h - primary include file for editor * * Copyright 1988, Microsoft Corporation * * Revision History: * 10-Jan-1991 ramonsa Converted to Win32 API * 26-Nov-1991 mz Strip off near/far * ************************************************************************/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // // WINDOWS includes // #include #include #include #include #include "console.h" typedef HANDLE FILEHANDLE, *PFILEHANDLE; typedef DWORD ACCESSMODE, *PACCESSMODE; typedef DWORD SHAREMODE, *PSHAREMODE; typedef DWORD MOVEMETHOD, *PMOVEMETHOD; #define ACCESSMODE_READ GENERIC_READ #define ACCESSMODE_WRITE GENERIC_WRITE #define ACCESSMODE_RW (GENERIC_READ | GENERIC_WRITE) #define SHAREMODE_READ FILE_SHARE_READ #define SHAREMODE_WRITE FILE_SHARE_WRITE #define SHAREMODE_NONE 0 #define FROM_BEGIN FILE_BEGIN #define FROM_CURRENT FILE_CURRENT #define FROM_END FILE_END #define SHAREMODE_RW (SHAREMODE_READ | SHAREMODE_WRITE) // // assertion support // // assert - assertion macro. We define our own, because if we abort we need // to be able to shut down cleanly (or at least die trying). This // version also saves us some code over the C library one. // // asserte - version of assert that always executes the expression, regardless // of debug state. // #ifdef DEBUG #define REGISTER #define assert(exp) { \ if (!(exp)) \ _assertexit (#exp, __FILE__, __LINE__); \ } #define asserte(exp) assert(exp) #else #define REGISTER register #define assert(exp) #define asserte(exp) ((exp) != 0) #endif typedef long LINE; // line number within file // LINEREC - The text of the file is an array of line pointers/lengths. A // single procedure call can be used to grab the line *AND* its length. // Color in the file is an array of pointer to attr/length arrays. typedef struct _lineRecType { PVOID vaLine; // long address of line BOOL Malloced; // Ture if address allocated via malloc int cbLine; // number of bytes in line } LINEREC; // VALINE (l) - Returns virtual address of the line record // (lineRecType) for line l. #define VALINE(l) (pFile->plr + (l)) // Each file that is in memory has a unique descriptor. This is so that // editing the same file in two windows will allow updates to be reflected // in both. // // NOTE: pFileNext must be the first field in the structure. Certain places // in the code require this. typedef struct fileType { struct fileType *pFileNext; // next file in chain #ifdef DEBUG int id; // debug id byte #endif char *pName; // file name LINEREC *plr; // addr of line table BYTE *pbFile; // addr of full file image LINE lSize; // number of lines in block LINE cLines; // number of lines in file PVOID vaColor; // addr of color table PVOID vaHiLite; // highlighting info PVOID vaUndoHead; // head of undo list PVOID vaUndoTail; // end of undo list PVOID vaUndoCur; // current pos in undo list PVOID vaMarks; // Marks in this file int cUndo; // number of undo-able entries int refCount; // reference count window references int type; // type of this file int flags; // flags for dirty, permanent, etc time_t modify; // Date/Time of last modify } *PFILE; // // for the display manager, there is a separate window allocated for each // window on the screen. Each window has display-relevant information. // typedef struct windowType *PWND; // // ext.h is the include file provided to extension writers. It should contain // only definitions that are meaningfull to them. The EDITOR definition below // prevents it from defining some typedefs and function prototypes which // conflict with editor internals. // #define EDITOR #include "ext.h" struct windowType { struct instanceType *pInstance; // address of instance list sl Size; // size of window sl Pos; // position of window }; #define BELL 0x07 #define SHELL "cmd.exe" #define TMPVER "TMP4" // temp file revision // // debug at a certain place // #if defined (DEBUG) #define MALLOC(x) DebugMalloc(x, FALSE, __FILE__, __LINE__) #define REALLOC(x, y) DebugRealloc(x, y, FALSE, __FILE__, __LINE__) #define FREE(x) DebugFree(x, __FILE__, __LINE__) #define ZEROMALLOC(x) DebugMalloc(x, TRUE, __FILE__, __LINE__) #define ZEROREALLOC(x,y ) DebugRealloc(x, y, TRUE, __FILE__, __LINE__) #define MEMSIZE(x) DebugMemSize(x, __FILE__, __LINE__) #else #define MALLOC(x) malloc(x) #define REALLOC(x, y) realloc(x, y) #define FREE(x) free(x) #define ZEROMALLOC(x) ZeroMalloc(x) #define ZEROREALLOC(x,y ) ZeroRealloc(x, y) #define MEMSIZE(x) MemSize(x) #endif // // ID's for assertion checking // #ifdef DEBUG #define ID_PFILE 0x5046 // PF #define ID_INSTANCE 0x494E // IN #endif // // list of files and their debug values // #define TEXTLINE 0x1 #define ZALLOC 0x2 #define VMUTIL 0x4 #define VM 0x8 #define FILEIO 0x10 #define CMD 0x20 #define PICK 0x40 #define ZINIT 0x80 #define WINDOW 0x100 #define DISP 0x200 #define Z 0x400 #define Z19 0x800 #define LOAD 0x1000 #define MAXWIN 8 #define MAXMAC 1024 // ************************************************************** // // Macros for accessing fields of struct instanceType // // ************************************************************** #define XWIN(f) (f)->flWindow.col #define YWIN(f) (f)->flWindow.lin #define XCUR(f) (f)->flCursorCur.col #define YCUR(f) (f)->flCursorCur.lin #define FLAGS(f) (f)->flags #define XOLDWIN(f) (f)->flOldWin.col #define YOLDWIN(f) (f)->flOldWin.lin #define XOLDCUR(f) (f)->flOldCur.col #define YOLDCUR(f) (f)->flOldCur.lin #define FTYPE(f) (f)->type // ************************************************************** // // VACOLOR (l) - Returns virtual address of the color record // (colorRecType) for line l. // // ************************************************************** #define VACOLOR(l) (PVOID)((PBYTE)pFile->vaColor+sizeof(struct colorRecType)*((long)(l))) // ************************************************************** // // Flags indicating what has changed since the last display update. // // RCURSOR: The cursor has moved. This means the cursor should // be physically moved on the screen, and that the // cursor position status should be changed. // RTEXT: The editing area has been changed. A more precise // breakdown is available by examining the fChange array. // RSTATUS: In the original interface, this means that something // on the bottom screen line has changed. In the CW // interface, this means something in the status window // has changed (either the insert mode or the learn mode) // RHIGH: This is set to mean highlighting should be displayed. // RFILE: The file-specific information has changed. CW // interface only. // RHELP: The Help window has changed. CW interface only. // // ************************************************************** #define RCURSOR 0x01 #define RTEXT 0x02 #define RSTATUS 0x04 #define RHIGH 0x08 // ************************************************************** // // argument types and arg structures // // ************************************************************** #define GETARG (NOARG|TEXTARG|NULLARG|NULLEOL|NULLEOW|LINEARG|STREAMARG|BOXARG) // arg processing required #define COLORBG -1 #define COLORNOR 0 #define COLORINF 1 #define COLORERR 2 #define COLORSTA 3 #define INTENSE 8 #define WHITE 7 #define YELLOW 6 #define MAGENTA 5 #define RED 4 #define CYAN 3 #define GREEN 2 #define BLUE 1 #define BLACK 0 #define B_BAK 0 #define B_UNDEL 1 #define B_NONE 2 #define MONO 0 #define CGA 1 #define EGA 2 #define VGA 3 #define MCGA 4 #define VIKING 5 #define MAXUSE 20 #define GRAPH 0x01 // parsing editing chars in macro body #define EXEC 0x02 // macro is an execution; ending sets fBreak #define INIT 0x04 // macro needs to be initialized struct macroInstanceType { char *beg; // pointer to beginning of string char *text; // pointer to next command flagType flags; // what type of function is next }; typedef struct macroInstanceType MI, *PMI; // // flags for fChange // #define FMODIFY 0x01 // TRUE => line was modified // ************************************************************** // // Macros for dealing with windows. // // ************************************************************** #define WINYSIZE(pwin) ((pwin)->Size.lin) #define WINXSIZE(pwin) ((pwin)->Size.col) #define WINYPOS(pwin) ((pwin)->Pos.lin) #define WINXPOS(pwin) ((pwin)->Pos.col) #define WININST(pwin) ((pwin)->pInstance) #define XSCALE(x) max(1,(x)*WINXSIZE(pWinCur)/slSize.col) #define YSCALE(y) max(1,(y)*WINYSIZE(pWinCur)/slSize.lin) // ************************************************************** // // for each instance of a file in memory, there is a window that is // allocated for it. The structure has all relevant information for the // instance within the window. No display information is kept here // // ************************************************************** struct instanceType { struct instanceType *pNext; // ptr to next file activation #ifdef DEBUG int id; // debug id byte #endif PFILE pFile; // ptr to file structure fl flOldWin; // previous file pos of window fl flOldCur; // previous file cursor fl flWindow; // file coord of window fl flCursorCur; // file pos of cursor fl flSaveWin; // saved coord of window fl flSaveCur; // saved y coord of cursor fl flArg; // Last Arg position fl flCursor; // Cursor just before last function flagType fSaved; // TRUE => values below valid }; typedef struct instanceType *PINS; // ************************************************************** // // Each mark that is defined is present in a linked list // // ************************************************************** typedef struct mark MARK; typedef struct filemarks FILEMARKS; struct mark { unsigned flags; // unsigned cb; // Bytes in this mark structure, including name fl fl; // Location of the mark char szName[1]; // Name of mark }; struct filemarks { unsigned cb; // Total bytes in struct, including marks MARK marks[1]; // marks for this file }; struct colorRecType { PVOID vaColors; // Address of lineAttr array int cbColors; }; extern struct cmdDesc cmdTable[]; extern struct swiDesc swiTable[]; extern char * cftab[]; struct fTypeInfo { char *ext; // extention of file type int ftype; // numerical type }; struct compType { struct compType *pNext; // next link in compile list char *pExt; // pointer to extension char *pCompile; // pointer to compile text }; typedef struct compType COMP; #define TEXTFILE 0 #define CFILE 1 #define ASMFILE 2 #define PASFILE 3 #define FORFILE 4 #define LSPFILE 5 #define BASFILE 6 // // return values for FileStatus // #define FILECHANGED 0 // timestamps differ #define FILEDELETED 1 // file is not on disk #define FILESAME 2 // timestamps match extern struct fTypeInfo ftypetbl[]; extern char * mpTypepName[]; // ************************************************************** // // Initialization flags. These are set when an initialization task has // been performed. It is examined in CleanExit to determine what needs // to be restored. // // ************************************************************** #define INIT_VIDEO 1 // Video state is set up #define INIT_KBD 2 // Keyboard is set to editor state #define INIT_EDITVIDEO 4 // Editor video state is established #define INIT_SIGNALS 8 // Signal handlers have been set up #define INIT_VM 0x10 // VM has been initialized // ************************************************************** // // CleanExit() flags // // ************************************************************** #define CE_VM 1 // Clean Up VM #define CE_SIGNALS 2 // Clean up signals #define CE_STATE 4 // Update state file // ************************************************************** // // zloop() flags // // ************************************************************** #define ZL_CMD 1 // command key, should be an event #define ZL_BRK 2 // take fBreak into account // ************************************************************** // // getstring() flags // // ************************************************************** #define GS_NEWLINE 1 // Entry must be terminated by newline #define GS_INITIAL 2 // Entry is hilighted and cleared if graphic #define GS_KEYBOARD 4 // Entry must from the keyboard #define GS_GETSTR 8 // Called from getstring(), not SDM // ************************************************************** // // type for pointer to function * // // ************************************************************** typedef void ( *PFUNCTION)(char *, flagType); // // Internal structure of a key // typedef struct _EDITOR_KEY { KEY_INFO KeyInfo; WORD KeyCode; } EDITOR_KEY, *PEDITOR_KEY; // ************************************************************** // // Editor Globals. // // slSize - Under CW, these are the total number of rows and // columns available. Without CW, these represent the // editing area, which is 2 less. // // ************************************************************** extern sl slSize; // dimensions of the screen #define XSIZE slSize.col #define YSIZE slSize.lin extern PFILE pFilePick; // pick buffer extern PFILE pFileFileList; // command line file list extern PFILE pFileIni; // TOOLS.INI extern PFILE pFileMark; // Current mark definition file extern PFILE pFileAssign; // extern struct instanceType *pInsCur; // currently active window extern PWND pWinCur; // pointer to current window extern struct windowType WinList[]; // head of all windows extern int iCurWin; // index of current window extern int cWin; // count of active windows extern PFILE pFileHead; // address of head of file list extern COMP *pCompHead; // address of head of compile extension list extern MARK *pMarkHead; // address of head of mark list extern char *pMarkFile; // additional file to search for marks extern char *pPrintCmd; // pointer to string extern PFILE pPrintFile; // file currently printed (to PRN) // // Global vars for the fScan routine. // extern buffer scanbuf; // buffer for file scanning extern buffer scanreal; // buffer for file scanning extern int scanlen; // length of said buffer extern fl flScan; // file loc of current scan extern rn rnScan; // range of scan #if DEBUG extern int debug, indent; // debugging flags extern FILEHANDLE debfh; // debugging output file #endif // // ARG processing vars // extern fl flArg; // file pos of 1st arg extern int argcount; // number of args hit extern flagType fBoxArg; // TRUE => boxarg, FALSE => streamarg extern ARG NoArg; // predefined no arg struct extern flagType fInSelection; // TRUE => Selecting text extern fl flLow; // low values for args extern fl flHigh; // high values for args extern LINE lSwitches; // Line # in of switches extern int cRepl; // number of replaces extern COL xMargin; // column of right margin extern int backupType; // type of backup being done extern int cUndelCount; // max num of undel backups of the same file extern char *ronlypgm; // program to run on readonly files extern buffer buf; // temp line buffer extern buffer textbuf; // buffer for text arguments extern int Zvideo; // Handle for Z video state extern int DOSvideo; // Handle for DOS video state extern flagType fAskExit; // TRUE => prompt at exit extern flagType fAskRtn; // TRUE => prompt on return from PUSHED extern flagType fAutoSave; // TRUE => always save files on switches extern flagType fBreak; // TRUE => exit current TopLoop call extern flagType fCgaSnow; // TRUE => CGA has snow, so fix it extern flagType *fChange; // TRUE => line was changed extern unsigned fInit; // Flags describing what has been initialized extern flagType fCtrlc; // TRUE => control-c interrupt extern flagType fDebugMode; // TRUE => compiles are debug extern flagType fMetaRecord; // TRUE => Don't execute anything extern flagType fDefaults; // TRUE => do not load users TOOLS.INI extern flagType fDisplay; // TRUE => need to redisplay extern flagType fDisplayCursorLoc; // TRUE => pos of cursor vs window displayed extern flagType fEditRO; // TRUE => allow editting of DISKRO files extern flagType fErrPrompt; // TRUE => prompt after errors extern flagType fGlobalRO; // TRUE => no editing allowed extern flagType fInsert; // TRUE => insertmode is on extern flagType fMacroRecord; // TRUE => We're recording into extern flagType fMessUp; // TRUE => there is a message on dialog line extern flagType fMeta; // TRUE => command pressed extern flagType fMsgflush; // TRUE => flush previous compile messages extern flagType fNewassign; // TRUE => needs refreshing extern flagType fRealTabs; // TRUE => tabs are VI-like extern flagType fRetVal; // return value of last editing function call extern flagType fSaveScreen; // TRUE => Restore DOS screen extern flagType fShortNames; // TRUE => do short-filename matching extern flagType fSoftCR; // TRUE => use soft carriage returns extern flagType fTabAlign; // TRUE => allign cursor to tab characters extern flagType fTextarg; // TRUE => text was typed in extern flagType fTrailSpace; // TRUE => allow trailing spaces in lines extern flagType fWordWrap; // TRUE => space in col 72 goes to newline // // Search/Replace globals // extern flagType fUnixRE; // TRUE => Use UNIX RE's (unixre: switch) extern flagType fSrchAllPrev; // TRUE => previously searched for all extern flagType fSrchCaseSwit; // TRUE => case is significant (case: switch) extern flagType fSrchCasePrev; // TRUE => case was significant extern flagType fSrchDirPrev; // TRUE => previously searched forward extern flagType fSrchRePrev; // TRUE => search previously used RE's extern flagType fSrchWrapSwit; // TRUE => searches wrap (wrap: switch) extern flagType fSrchWrapPrev; // TRUE => previously did wrap extern flagType fRplRePrev; // TRUE => replace previously used RE's extern buffer srchbuf; // search buffer extern buffer srcbuf; // source string for replace extern buffer rplbuf; // destination string for replace extern flagType fUseMouse; // TRUE => Handle mouse events #define SIGBREAK 21 // Taken from signal.h extern flagType fReDraw; // TRUE => Screen is already locked extern unsigned LVBlength; // Bytes in LVB (returned from VioGetBuf) extern unsigned kbdHandle; // Handle of logical keyboard extern HANDLE semIdle; // Idle thread semaphore extern PCMD *rgMac; // set of macro definitions extern int cMac; // number of macros extern int ballevel; // current level in paren balance extern char *balopen, *balclose; // balance open string, close string extern unsigned kindpick; // what is in the pick buffer extern char tabDisp; // character for tab expansion in display extern char trailDisp; // Character for trailing spaces extern char Name[]; // editor name extern char Version[]; // editor version extern char CopyRight[]; // editor copyright message extern int EnTab; // 0 => no tab 1 => min 2 => max tabification extern int tmpsav; // number of past files to remember extern int hike; // value of HIKE: switch extern int vscroll; // value of VSCROLL: switch extern int hscroll; // value of HSCROLL: switch extern int tabstops; // value of TABSTOPS: switch extern int fileTab; // spacing of tab chars in file extern int CursorSize; // cursor size extern EDITOR_KEY keyCmd; // last commands keystroke #define isaUserMin 21 // cw min isa, for consistancy in indecies extern int ColorTab[]; // 16 available colors. #define fgColor ColorTab[0] // foreground color #define hgColor ColorTab[1] // highlight color #define infColor ColorTab[2] // information color #define selColor ColorTab[3] // selection color #define wdColor ColorTab[4] // window border color #define staColor ColorTab[5] // status color #define errColor ColorTab[6] // error color extern LINE cNoise; // number of lines between noise on status extern int cUndo; // count of undo operations retained extern int cArgs; // number of files on command line extern char **pArgs; // pointer to files in command line extern PFILE pFileIni; // pfile for tools.ini extern char * pNameEditor; // Base name of editor as invoked extern char * pNameTmp; // Pathname of .TMP file ( based on name ) extern char * pNameInit; // Pathname of tools.ini extern char * pNameHome; // "INIT", or "HOME" if "INIT" not defined extern char *pComSpec; // name of command processor extern char *eolText; // eol characters for text files extern struct cmdDesc cmdUnassigned; // unassigned function extern struct cmdDesc cmdGraphic; // self editing function extern char *getlbuf; // pointer to fast read-in buffer extern unsigned getlsize; // length of buffer extern int cMacUse; // number of macros in use extern struct macroInstanceType mi[]; // state of macros #define MAXEXT 50 extern int cCmdTab; // number of cmd tables extern PCMD cmdSet[]; // set of cmd tables extern PSWI swiSet[]; // set of swi tables extern char *pExtName[]; // set of extension names // CONSIDER: making pExtNames be or include // CONSIDER: the handles, such that arg meta // CONSIDER: load can discard an extension extern PSCREEN OriginalScreen; // Original screen extern PSCREEN MepScreen; // Out screen extern KBDMODE OriginalScreenMode; // Original screen Mode // ************************************************************** // // Background threads // // ************************************************************** // // A global critical section is used for synchronizing // threads // extern CRITICAL_SECTION IOCriticalSection; extern CRITICAL_SECTION UndoCriticalSection; extern CRITICAL_SECTION ScreenCriticalSection; #define MAXBTQ 32 // Maximum number of entries in // background threads queues // // Background thread data structure // typedef struct BTD { PFILE pBTFile; // Log file handle LPBYTE pBTName; // Log file name flagType flags; // Flags: BT_BUSY and BT_UPDATE ULONG cBTQ; // # of entries in queue ULONG iBTQPut; // Index at wich to put next ULONG iBTQGet; // Index at wich to get next CRITICAL_SECTION CriticalSection;// Protects critical info PROCESS_INFORMATION ProcessInfo; // Process information HANDLE ThreadHandle; // Thread Handle BOOL ProcAlive; // True if child process struct { PFUNCTION pBTJProc; // Procedure to call LPBYTE pBTJStr; // Command to spawn or parameter } BTQJob[MAXBTQ]; // Holds queued jobs struct BTD *pBTNext; // Next BTD in list } BTD; // // Background threads flags // #define BT_BUSY 1 #define BT_UPDATE 2 #define fBusy(pBTD) (pBTD->flags & BT_BUSY) #define UpdLog(pBTD) (pBTD->flags |= BT_UPDATE) #define NoUpdLog(pBTD) (pBTD->flags &= ~BT_UPDATE) // // Background compile and print threads // extern BTD *pBTDComp; // Compile thread extern BTD *pBTDPrint; // Print thread // // For dual code // #define PFILECOMP pBTDComp->pBTFile // ************************************************************** // // Constant strings. Various strings that are used many times are // defined here once to save space. The values are set in ZINIT.C // // Macro versions are also defined to cast to a non-const, for use where // where only a non-const expression will do. // // ************************************************************** extern char rgchComp[]; // "" extern char rgchPrint[]; // "" extern char rgchAssign[]; // "" extern char rgchAutoLoad[]; // "m*.mxt" or equiv... extern char rgchEmpty[]; // "" extern char rgchInfFile[]; // "" extern char rgchWSpace[]; // our defintion of whitespace extern char rgchUntitled[]; // "" #define RGCHASSIGN ((char *)rgchAssign) #define RGCHEMPTY ((char *)rgchEmpty) #define RGCHWSPACE ((char *)rgchWSpace) #define RGCHUNTITLED ((char *)rgchUntitled) typedef struct MSG_TXT{ WORD usMsgNo; LPBYTE pMsgTxt; } MSG_TXT; extern MSG_TXT MsgStr[]; // Message strings extern flagType fInCleanExit; extern flagType fSpawned; #include "meptype.h" #include "msg.h" #ifdef FPO #pragma optimize( "y", off ) #endif