* included in the distribution.
*
* $RCSfile: machdep.c,v $
- * $Revision: 1.15 $
- * $Date: 1999/12/03 12:39:42 $
+ * $Revision: 1.32 $
+ * $Date: 2000/05/26 10:14:33 $
* ------------------------------------------------------------------------*/
#ifdef HAVE_SIGNAL_H
# include <types.h>
# endif
#endif
+
+#if 0
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
+#endif
+
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#else
#ifdef HAVE_DOS_H
# include <dos.h>
#endif
-#if defined HAVE_CONIO_H && ! HUGS_FOR_WINDOWS
+#if defined HAVE_CONIO_H
# include <conio.h>
#endif
#ifdef HAVE_IO_H
# include <windows.h>
#endif
-#if HUGS_FOR_WINDOWS
-#include <dir.h>
-#include <mem.h>
-
-extern HCURSOR HandCursor; /* Forward references to cursors */
-extern HCURSOR GarbageCursor;
-extern HCURSOR SaveCursor;
-static void local DrawStatusLine Args((HWND));
-#endif
-
#if DOS
#include <mem.h>
extern unsigned _stklen = 8000; /* Allocate an 8k stack segment */
#endif
/* --------------------------------------------------------------------------
- * Prototypes for registry reading
- * ------------------------------------------------------------------------*/
-
-#if USE_REGISTRY
-
-/* where have we hidden things in the registry? */
-#if HSCRIPT
-#define HScriptRoot ("SOFTWARE\\Haskell\\HaskellScript\\")
-#endif
-
-#define HugsRoot ("SOFTWARE\\Haskell\\Hugs\\" HUGS_VERSION "\\")
-#define ProjectRoot ("SOFTWARE\\Haskell\\Projects\\")
-
-static Bool local createKey Args((HKEY, String, PHKEY, REGSAM));
-static Bool local queryValue Args((HKEY, String, String, LPDWORD, LPBYTE, DWORD));
-static Bool local setValue Args((HKEY, String, String, DWORD, LPBYTE, DWORD));
-static String local readRegString Args((HKEY, String, String, String));
-static Int local readRegInt Args((String,Int));
-static Bool local writeRegString Args((String,String));
-static Bool local writeRegInt Args((String,Int));
-
-static String local readRegChildStrings Args((HKEY, String, String, Char, String));
-#endif /* USE_REGISTRY */
-
-/* --------------------------------------------------------------------------
* Find information about a file:
* ------------------------------------------------------------------------*/
-#if RISCOS
-typedef struct { unsigned hi, lo; } Time;
-#define timeChanged(now,thn) (now.hi!=thn.hi || now.lo!=thn.lo)
-#define timeSet(var,tm) var.hi = tm.hi; var.lo = tm.lo
-error timeEarlier not defined
-#else
-typedef time_t Time;
-#define timeChanged(now,thn) (now!=thn)
-#define timeSet(var,tm) var = tm
-#define timeEarlier(earlier,now) (earlier < now)
-#endif
+#include "machdep_time.h"
-static Bool local readable Args((String));
-static Void local getFileInfo Args((String, Time *, Long *));
+static Bool local readable ( String );
+static Void local getFileInfo ( String, Time *, Long * );
static Void local getFileInfo(f,tm,sz) /* find time stamp and size of file*/
String f;
* Search for script files on the HUGS path:
* ------------------------------------------------------------------------*/
-static String local hugsdir Args((Void));
+static String local hugsdir ( Void );
#if HSCRIPT
-static String local hscriptDir Args((Void));
+static String local hscriptDir ( Void );
#endif
-//static String local RealPath Args((String));
-static int local pathCmp Args((String, String));
-static String local normPath Args((String));
-static Void local searchChr Args((Int));
-static Void local searchStr Args((String));
-static Bool local tryEndings Args((String));
-
-#if DOS_FILENAMES
-# define SLASH '\\'
+static int local pathCmp ( String, String );
+static String local normPath ( String );
+static Void local searchChr ( Int );
+static Void local searchStr ( String );
+static Bool local tryEndings ( String );
+
+#if (DOS_FILENAMES || __CYGWIN32__)
+# define SLASH '/'
+# define SLASH_STR "/"
# define isSLASH(c) ((c)=='\\' || (c)=='/')
# define PATHSEP ';'
# define PATHSEP_STR ";"
-# define DLL_ENDING ".dll"
+# define DLL_ENDING ".u_o"
#elif MAC_FILENAMES
# define SLASH ':'
# define isSLASH(c) ((c)==SLASH)
# define DLL_ENDING ".pef"
#else
# define SLASH '/'
+# define SLASH_STR "/"
# define isSLASH(c) ((c)==SLASH)
# define PATHSEP ':'
# define PATHSEP_STR ":"
}
#endif
-#if 0 /* apparently unused */
-static String local RealPath(s) /* Find absolute pathname of file */
-String s; {
-#if HAVE__FULLPATH /* eg DOS */
- static char path[FILENAME_MAX+1];
- _fullpath(path,s,FILENAME_MAX+1);
-#elif HAVE_REALPATH /* eg Unix */
- static char path[MAXPATHLEN+1];
- realpath(s,path);
-#else
- static char path[FILENAME_MAX+1];
- strcpy(path,s);
-#endif
- return path;
-}
-#endif
-
-
-static int local pathCmp(p1,p2) /* Compare paths after normalisation */
-String p1;
-String p2; {
-#if HAVE__FULLPATH /* eg DOS */
- static char path1[FILENAME_MAX+1];
- static char path2[FILENAME_MAX+1];
- _fullpath(path1,p1,FILENAME_MAX+1);
- _fullpath(path2,p2,FILENAME_MAX+1);
-#elif HAVE_REALPATH /* eg Unix */
- static char path1[MAXPATHLEN+1];
- static char path2[MAXPATHLEN+1];
- realpath(p1,path1);
- realpath(p2,path2);
-#else
- static char path1[FILENAME_MAX+1];
- static char path2[FILENAME_MAX+1];
- strcpy(path1,p1);
- strcpy(path2,p2);
-#endif
-#if CASE_INSENSITIVE_FILENAMES
- strlwr(path1);
- strlwr(path2);
-#endif
- return filenamecmp(path1,path2);
-}
static String local normPath(s) /* Try, as much as possible, to normalize */
String s; { /* a pathname in some appropriate manner. */
String nm; {
/* AC, 1/21/99: modified to search hugsPath first, then projectPath */
String s = findMPathname(along,nm,hugsPath);
-#if USE_REGISTRY
-#if 0
- ToDo:
- if (s==NULL) {
- s = findMPathname(along,nm,projectPath);
- }
-#endif /* 0 */
-#endif /* USE_REGISTRY */
return s ? s : normPath(searchBuf);
}
String modName,
String* path,
String* sExt,
- Bool* sAvail, Time* sTime, Long* sSize,
- Bool* iAvail, Time* iTime, Long* iSize,
- Bool* oAvail, Time* oTime, Long* oSize
+ Bool* sAvail, Time* sTime, Long* sSize,
+ Bool* oiAvail, Time* oiTime, Long* oSize, Long* iSize
)
{
/* Let the module name given be M.
use P to fill in the path names.
Otherwise, move on to the next path entry.
If all path entries are exhausted, return False.
+
+ If in standalone, only look for (and succeed for) source modules.
+ Caller free()s path. sExt is statically allocated.
+ srcExt is only set if a valid source file is found.
*/
Int nPath;
Bool literate;
String peStart, peEnd;
- String augdPath; /* .:hugsPath:installDir/GhcPrel:installDir/lib */
+ String augdPath; /* .:hugsPath:installDir/../lib/std:installDir/lib */
+ Time oTime, iTime;
+ Bool oAvail, iAvail;
*path = *sExt = NULL;
- *sAvail = *iAvail = *oAvail = FALSE;
- *sSize = *iSize = *oSize = 0;
+ *sAvail = *oiAvail = oAvail = iAvail = FALSE;
+ *sSize = *oSize = *iSize = 0;
augdPath = malloc( 2*(10+3+strlen(installDir))
- +strlen(hugsPath) +10/*paranoia*/);
+ +strlen(hugsPath) +50/*paranoia*/);
if (!augdPath)
internal("moduleNameToFileNames: malloc failed(2)");
augdPath[0] = 0;
- strcat(augdPath, ".");
- strcat(augdPath, PATHSEP_STR);
- strcat(augdPath, hugsPath);
- strcat(augdPath, PATHSEP_STR);
+ if (combined) {
+ strcat(augdPath, installDir);
+ strcat(augdPath, "..");
+ strcat(augdPath, SLASH_STR);
+ strcat(augdPath, "lib");
+ strcat(augdPath, SLASH_STR);
+ strcat(augdPath, "std");
+ strcat(augdPath, PATHSEP_STR);
+ }
strcat(augdPath, installDir);
- strcat(augdPath, "GhcPrel");
+ strcat(augdPath, "lib");
strcat(augdPath, PATHSEP_STR);
- strcat(augdPath, installDir);
- strcat(augdPath, "lib");
+ /* these two were previously before the above `if' */
+ strcat(augdPath, ".");
+ strcat(augdPath, PATHSEP_STR);
+
+ strcat(augdPath, hugsPath);
strcat(augdPath, PATHSEP_STR);
/* fprintf ( stderr, "augdpath = `%s'\n", augdPath ); */
nPath += strlen(modName);
/* searchBuf now holds 'P/M'. Try out the various endings. */
- *path = *sExt = NULL;
- *sAvail = *iAvail = *oAvail = FALSE;
- *sSize = *iSize = *oSize = 0;
+ *path = *sExt = NULL;
+ *sAvail = *oiAvail = oAvail = iAvail = FALSE;
+ *sSize = *oSize = *iSize = 0;
- strcpy(searchBuf+nPath, DLL_ENDING);
- if (readable(searchBuf)) {
- *oAvail = TRUE;
- getFileInfo(searchBuf, oTime, oSize);
- }
-
- strcpy(searchBuf+nPath, ".u_hi");
- if (readable(searchBuf)) {
- *iAvail = TRUE;
- getFileInfo(searchBuf, iTime, iSize);
+ if (combined) {
+ strcpy(searchBuf+nPath, DLL_ENDING);
+ if (readable(searchBuf)) {
+ oAvail = TRUE;
+ getFileInfo(searchBuf, &oTime, oSize);
+ }
+ strcpy(searchBuf+nPath, HI_ENDING);
+ if (readable(searchBuf)) {
+ iAvail = TRUE;
+ getFileInfo(searchBuf, &iTime, iSize);
+ }
+ if (oAvail && iAvail) {
+ *oiAvail = TRUE;
+ *oiTime = whicheverIsLater ( oTime, iTime );
+ }
}
strcpy(searchBuf+nPath, ".hs");
}
/* Success? */
- if (*sAvail || (*oAvail && *iAvail)) {
+ if (*sAvail || *oiAvail) {
nPath -= strlen(modName);
*path = malloc(nPath+1);
if (!(*path))
}
+/* If the primaryObjectName is (eg)
+ /foo/bar/PrelSwamp.o
+ and the extraFileName is (eg)
+ swampy_cbits
+ and DLL_ENDING is set to .o
+ return
+ /foo/bar/swampy_cbits.o
+ and set *extraFileSize to its size, or -1 if not avail
+*/
+String getExtraObjectInfo ( String primaryObjectName,
+ String extraFileName,
+ Int* extraFileSize )
+{
+ Time xTime;
+ Long xSize;
+ String xtra;
+
+ Int i = strlen(primaryObjectName)-1;
+ while (i >= 0 && primaryObjectName[i] != SLASH) i--;
+ if (i == -1) return extraFileName;
+ i++;
+ xtra = malloc ( i+3+strlen(extraFileName)+strlen(DLL_ENDING) );
+ if (!xtra) internal("deriveExtraObjectName: malloc failed");
+ strncpy ( xtra, primaryObjectName, i );
+ xtra[i] = 0;
+ strcat ( xtra, extraFileName );
+ strcat ( xtra, DLL_ENDING );
+
+ *extraFileSize = -1;
+ if (readable(xtra)) {
+ getFileInfo ( xtra, &xTime, &xSize );
+ *extraFileSize = xSize;
+ }
+ return xtra;
+}
+
+
/* --------------------------------------------------------------------------
* Substitute old value of path into empty entries in new path
* eg substPath("a:b:c::d:e","x:y:z") = "a:b:c:x:y:z:d:e"
* ------------------------------------------------------------------------*/
-static String local substPath Args((String,String));
+static String local substPath ( String,String );
static String local substPath(new,sub) /* substitute sub path into new path*/
String new;
Bool gcMessages = FALSE; /* TRUE => print GC messages */
Void gcStarted() { /* Notify garbage collector start */
-#if HUGS_FOR_WINDOWS
- SaveCursor = SetCursor(GarbageCursor);
-#endif
if (gcMessages) {
Printf("{{Gc");
FlushStdout();
Printf("%d}}",recovered);
FlushStdout();
}
-#if HUGS_FOR_WINDOWS
- SetCursor(SaveCursor);
-#endif
}
Cell *CStackBase; /* Retain start of C control stack */
Void gcCStack() { /* Garbage collect elements off */
Cell stackTop = NIL; /* C stack */
Cell *ptr = &stackTop;
-#if SIZEOF_INTP == 2
+#if SIZEOF_VOID_P == 2
if (((long)(ptr) - (long)(CStackBase))&1)
fatal("gcCStack");
#elif STACK_ALIGNMENT == 2 /* eg Macintosh 68000 */
fatal("gcCStack");
#endif
-#define Blargh markWithoutMove(*ptr);
+#define Blargh mark(*ptr);
#if 0
markWithoutMove((*ptr)/sizeof(Cell)); \
markWithoutMove(( (void*)(*ptr)-(void*)heapTopFst)/sizeof(Cell)); \
GuessDirection;
#endif
-#if SIZEOF_INTP==4 && STACK_ALIGNMENT == 2 /* eg Macintosh 68000 */
+#if SIZEOF_VOID_P==4 && STACK_ALIGNMENT == 2 /* eg Macintosh 68000 */
ptr = (Cell *)((long)(&stackTop) + 2);
StackGrowsDown;
#endif
#endif
/* --------------------------------------------------------------------------
- * Terminal dependent stuff:
- * ------------------------------------------------------------------------*/
-
-#if (HAVE_TERMIO_H | HAVE_SGTTY_H | HAVE_TERMIOS_H)
-
-/* grab the varargs prototype for ioctl */
-#if HAVE_SYS_IOCTL_H
-# include <sys/ioctl.h>
-#endif
-
-/* The order of these three tests is very important because
- * some systems have more than one of the requisite header file
- * but only one of them seems to work.
- * Anyone changing the order of the tests should try enabling each of the
- * three branches in turn and write down which ones work as well as which
- * OS/compiler they're using.
- *
- * OS Compiler sgtty termio termios notes
- * Linux 2.0.18 gcc 2.7.2 absent works works 1
- *
- * Notes:
- * 1) On Linux, termio.h just #includes termios.h and sgtty.h is
- * implemented using termios.h.
- * sgtty.h is in /usr/include/bsd which is not on my standard include
- * path. Adding it does no harm but you might as well use termios.
- * --
- * reid-alastair@cs.yale.edu
- */
-#if HAVE_TERMIOS_H
-
-#include <termios.h>
-typedef struct termios TermParams;
-#define getTerminal(tp) tcgetattr(fileno(stdin), &tp)
-#define setTerminal(tp) tcsetattr(fileno(stdin), TCSAFLUSH, &tp)
-#define noEcho(tp) tp.c_lflag &= ~(ICANON | ECHO); \
- tp.c_cc[VMIN] = 1; \
- tp.c_cc[VTIME] = 0;
-
-#elif HAVE_SGTTY_H
-
-#include <sgtty.h>
-typedef struct sgttyb TermParams;
-#define getTerminal(tp) ioctl(fileno(stdin),TIOCGETP,&tp)
-#define setTerminal(tp) ioctl(fileno(stdin),TIOCSETP,&tp)
-#if HPUX
-#define noEcho(tp) tp.sg_flags |= RAW; tp.sg_flags &= (~ECHO);
-#else
-#define noEcho(tp) tp.sg_flags |= CBREAK; tp.sg_flags &= (~ECHO);
-#endif
-
-#elif HAVE_TERMIO_H
-
-#include <termio.h>
-typedef struct termio TermParams;
-#define getTerminal(tp) ioctl(fileno(stdin),TCGETA,&tp)
-#define setTerminal(tp) ioctl(fileno(stdin),TCSETAF,&tp)
-#define noEcho(tp) tp.c_lflag &= ~(ICANON | ECHO); \
- tp.c_cc[VMIN] = 1; \
- tp.c_cc[VTIME] = 0;
-
-#endif
-
-static Bool messedWithTerminal = FALSE;
-static TermParams originalSettings;
-
-Void normalTerminal() { /* restore terminal initial state */
- if (messedWithTerminal)
- setTerminal(originalSettings);
-}
-
-Void noechoTerminal() { /* set terminal into noecho mode */
- TermParams settings;
-
- if (!messedWithTerminal) {
- getTerminal(originalSettings);
- messedWithTerminal = TRUE;
- }
- getTerminal(settings);
- noEcho(settings);
- setTerminal(settings);
-}
-
-Int getTerminalWidth() { /* determine width of terminal */
-#ifdef TIOCGWINSZ
-#ifdef _M_UNIX /* SCO Unix 3.2.4 defines TIOCGWINSZ*/
-#include <sys/stream.h> /* Required by sys/ptem.h */
-#include <sys/ptem.h> /* Required to declare winsize */
-#endif
- static struct winsize terminalSize;
- ioctl(fileno(stdout),TIOCGWINSZ,&terminalSize);
- return (terminalSize.ws_col==0)? 80 : terminalSize.ws_col;
-#else
- return 80;
-#endif
-}
-
-Int readTerminalChar() { /* read character from terminal */
- return getchar(); /* without echo, assuming that */
-} /* noechoTerminal() is active... */
-
-#elif SYMANTEC_C
-
-Int readTerminalChar() { /* read character from terminal */
- return getchar(); /* without echo, assuming that */
-} /* noechoTerminal() is active... */
-
-Int getTerminalWidth() {
- return console_options.ncols;
-}
-
-Void normalTerminal() {
- csetmode(C_ECHO, stdin);
-}
-
-Void noechoTerminal() {
- csetmode(C_NOECHO, stdin);
-}
-
-#else /* no terminal driver - eg DOS, RISCOS */
-
-static Bool terminalEchoReqd = TRUE;
-
-Int getTerminalWidth() {
-#if RISCOS
- int dummy, width;
- (void) os_swi3r(OS_ReadModeVariable, -1, 1, 0, &dummy, &dummy, &width);
- return width+1;
-#else
- return 80;
-#endif
-}
-
-Void normalTerminal() { /* restore terminal initial state */
- terminalEchoReqd = TRUE;
-}
-
-Void noechoTerminal() { /* turn terminal echo on/off */
- terminalEchoReqd = FALSE;
-}
-
-Int readTerminalChar() { /* read character from terminal */
- if (terminalEchoReqd) {
- return getchar();
- } else {
-#if IS_WIN32 && !HUGS_FOR_WINDOWS && !__BORLANDC__
- /* When reading a character from the console/terminal, we want
- * to operate in 'raw' mode (to use old UNIX tty parlance) and have
- * it return when a character is available and _not_ wait until
- * the next time the user hits carriage return. On Windows platforms,
- * this _can_ be done by reading directly from the console, using
- * getch(). However, this doesn't sit well with programming
- * environments such as Emacs which allow you to create sub-processes
- * running Hugs, and then communicate with the running interpreter
- * through its standard input and output handles. If you use getch()
- * in that setting, you end up trying to read the (unused) console
- * of the editor itself, through which not a lot of characters is
- * bound to come out, since the editor communicates input to Hugs
- * via the standard input handle.
- *
- * To avoid this rather unfortunate situation, we use the Win32
- * console API and re-jig the input properties of the standard
- * input handle before trying to read a character using stdio's
- * getchar().
- *
- * The 'cost' of this solution is that it is Win32 specific and
- * won't work with Windows 3.1 + it is kind of ugly and verbose
- * to have to futz around with the console properties on a
- * per-char basis. Both of these disadvantages aren't in my
- * opinion fatal.
- *
- * -- sof 5/99
- */
- Int c;
- DWORD mo;
- HANDLE hIn;
-
- /* I don't quite understand why, but if the FILE*'s underlying file
- descriptor is in text mode, we seem to lose the first carriage
- return.
- */
- setmode(fileno(stdin), _O_BINARY);
- hIn = GetStdHandle(STD_INPUT_HANDLE);
- GetConsoleMode(hIn, &mo);
- SetConsoleMode(hIn, mo & ~(ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT));
- /*
- * On Win9x, the first time you change the mode (as above) a
- * raw '\n' is inserted. Since enter maps to a raw '\r', and we
- * map this (below) to '\n', we can just ignore all *raw* '\n's.
- */
- do {
- c = getc(stdin);
- } while (c == '\n');
-
- /* Same as it ever was - revert back state of stdin. */
- SetConsoleMode(hIn, mo);
- setmode(fileno(stdin), _O_TEXT);
-#else
- Int c = getch();
-#endif
- return c=='\r' ? '\n' : c; /* slight paranoia about CR-LF */
- }
-}
-
-#endif /* no terminal driver */
-
-/* --------------------------------------------------------------------------
* Interrupt handling:
* ------------------------------------------------------------------------*/
-Bool broken = FALSE;
-static Bool breakReqd = FALSE;
-static sigProto(ignoreBreak);
-static Void local installHandlers Args((Void));
-
-Bool breakOn(reqd) /* set break trapping on if reqd, */
-Bool reqd; { /* or off otherwise, returning old */
- Bool old = breakReqd;
-
- breakReqd = reqd;
- if (reqd) {
- if (broken) { /* repond to break signal received */
- broken = FALSE; /* whilst break trap disabled */
- sigRaise(breakHandler);
- /* not reached */
- }
-#if HANDLERS_CANT_LONGJMP
- ctrlbrk(ignoreBreak);
-#else
- ctrlbrk(breakHandler);
-#endif
- } else {
- ctrlbrk(ignoreBreak);
- }
- return old;
-}
-
-static sigHandler(ignoreBreak) { /* record but don't respond to break*/
- ctrlbrk(ignoreBreak); /* reinstall signal handler */
- /* redundant on BSD systems but essential */
- /* on POSIX and other systems */
- broken = TRUE;
- interruptStgRts();
- sigResume;
-}
-
-#if !DONT_PANIC
-static sigProto(panic);
-static sigHandler(panic) { /* exit in a panic, on receipt of */
- everybody(EXIT); /* an unexpected signal */
- fprintf(stderr,"\nUnexpected signal\n");
- exit(1);
- sigResume;/*NOTREACHED*/
-}
-#endif /* !DONT_PANIC */
-
-#if IS_WIN32
-BOOL WINAPI consoleHandler(DWORD dwCtrlType) {
- switch (dwCtrlType) { /* Allows Hugs to be terminated */
- case CTRL_CLOSE_EVENT : /* from the window's close menu. */
- ExitProcess(0);
- }
- return FALSE;
-}
-#endif
-
-static Void local installHandlers() { /* Install handlers for all fatal */
+static Void installHandlers ( void ) { /* Install handlers for all fatal */
/* signals except SIGINT and SIGBREAK*/
#if IS_WIN32
- SetConsoleCtrlHandler(consoleHandler,TRUE);
+ /* SetConsoleCtrlHandler(consoleHandler,TRUE); */
#endif
#if !DONT_PANIC && !DOS
# ifdef SIGABRT
#endif
-/*---------------------------------------------------------------------------
- * Printf-related operations:
- *-------------------------------------------------------------------------*/
-
-#if !defined(HAVE_VSNPRINTF)
-int vsnprintf(buffer, count, fmt, ap)
-char* buffer;
-int count;
-const char* fmt;
-va_list ap; {
-#if defined(HAVE__VSNPRINTF)
- return _vsnprintf(buffer, count, fmt, ap);
-#else
- return 0;
-#endif
-}
-#endif /* HAVE_VSNPRINTF */
-
-#if !defined(HAVE_SNPRINTF)
-int snprintf(char* buffer, int count, const char* fmt, ...) {
-#if defined(HAVE__VSNPRINTF)
- int r;
- va_list ap; /* pointer into argument list */
- va_start(ap, fmt); /* make ap point to first arg after fmt */
- r = vsnprintf(buffer, count, fmt, ap);
- va_end(ap); /* clean up */
- return r;
-#else
- return 0;
-#endif
-}
-#endif /* HAVE_SNPRINTF */
-
-/* --------------------------------------------------------------------------
- * Read/write values from/to the registry
- *
- * All reads are from either HUGS_CURRENT_USER\\hugs_ROOT\\key or
- * HUGS_LOCAL_MACHINE\\hugs_ROOT\\key. (Machine entry is only used if
- * user entry doesn't exist).
- *
- * All writes are to HUGS_CURRENT_USER\\HugsRoot\\key
- * ------------------------------------------------------------------------*/
-
-#if USE_REGISTRY
-
-#define HugsRoot ("SOFTWARE\\Haskell\\Hugs\\" HUGS_VERSION "\\")
-
-static Bool local createKey Args((HKEY, PHKEY, REGSAM));
-static Bool local queryValue Args((HKEY, String, LPDWORD, LPBYTE, DWORD));
-static Bool local setValue Args((HKEY, String, DWORD, LPBYTE, DWORD));
-
-static Bool local createKey(hKey, phRootKey, samDesired)
-HKEY hKey;
-PHKEY phRootKey;
-REGSAM samDesired; {
- DWORD dwDisp;
- return RegCreateKeyEx(hKey, HugsRoot,
- 0, "", REG_OPTION_NON_VOLATILE,
- samDesired, NULL, phRootKey, &dwDisp)
- == ERROR_SUCCESS;
-}
-
-static Bool local queryValue(hKey, regPath, var, type, buf, bufSize)
-HKEY hKey;
-String regPath;
-String var;
-LPDWORD type;
-LPBYTE buf;
-DWORD bufSize; {
- HKEY hRootKey;
-
- if (!createKey(hKey, regPath, &hRootKey, KEY_READ)) {
- return FALSE;
- } else {
- LONG res = RegQueryValueEx(hRootKey, var, NULL, type, buf, &bufSize);
- RegCloseKey(hRootKey);
- return (res == ERROR_SUCCESS);
- }
-}
-
-static Bool local setValue(hKey, regPath, var, type, buf, bufSize)
-HKEY hKey;
-String regPath;
-String var;
-DWORD type;
-LPBYTE buf;
-DWORD bufSize; {
- HKEY hRootKey;
-
- if (!createKey(hKey, regPath, &hRootKey, KEY_WRITE)) {
- return FALSE;
- } else {
- LONG res = RegSetValueEx(hRootKey, var, 0, type, buf, bufSize);
- RegCloseKey(hRootKey);
- return (res == ERROR_SUCCESS);
- }
-}
-
-static String local readRegString(key,regPath,var,def) /* read String from registry */
-HKEY key;
-String regPath;
-String var;
-String def; {
- static char buf[300];
- DWORD type;
- if (queryValue(key, regPath,var, &type, buf, sizeof(buf))
- && type == REG_SZ) {
- return (String)buf;
- } else {
- return def;
- }
-}
-
-static Int local readRegInt(var, def) /* read Int from registry */
-String var;
-Int def; {
- DWORD buf;
- DWORD type;
-
- if (queryValue(HKEY_CURRENT_USER, HugsRoot, var, &type,
- (LPBYTE)&buf, sizeof(buf))
- && type == REG_DWORD) {
- return (Int)buf;
- } else if (queryValue(HKEY_LOCAL_MACHINE, HugsRoot, var, &type,
- (LPBYTE)&buf, sizeof(buf))
- && type == REG_DWORD) {
- return (Int)buf;
- } else {
- return def;
- }
-}
-
-static Bool local writeRegString(var,val) /* write String to registry */
-String var;
-String val; {
- if (NULL == val) {
- val = "";
- }
- return setValue(HKEY_CURRENT_USER, HugsRoot, var,
- REG_SZ, (LPBYTE)val, lstrlen(val)+1);
-}
-
-static Bool local writeRegInt(var,val) /* write String to registry */
-String var;
-Int val; {
- return setValue(HKEY_CURRENT_USER, HugsRoot, var,
- REG_DWORD, (LPBYTE)&val, sizeof(val));
-}
-
-#endif /* USE_REGISTRY */
-
/* --------------------------------------------------------------------------
* Things to do with the argv/argc and the env
* ------------------------------------------------------------------------*/
Int what; { /* initialisation etc.. */
switch (what) {
case MARK : break;
- case INSTALL : installHandlers();
+ case POSTPREL: break;
+ case PREPREL : installHandlers();
break;
case RESET :
case BREAK :
- case EXIT : normalTerminal();
-#if HUGS_FOR_WINDOWS
- if (what==EXIT)
- DestroyWindow(hWndMain);
- else
- SetCursor(LoadCursor(NULL,IDC_ARROW));
-#endif
+ case EXIT :
break;
}
}
projects / ghc-hetmet.git / blobdiff