perlhost.h

ARM上的如果你对底层感兴趣

    {
	return win32_crypt(clear, salt);
    };
    virtual void Exit(int status)
    {
	exit(status);
    };
    virtual void _Exit(int status)
    {
	_exit(status);
    };
    virtual int Execl(const char *cmdname, const char *arg0, const char *arg1, const char *arg2, const char *arg3)
    {
	return execl(cmdname, arg0, arg1, arg2, arg3);
    };
    virtual int Execv(const char *cmdname, const char *const *argv)
    {
	return win32_execvp(cmdname, argv);
    };
    virtual int Execvp(const char *cmdname, const char *const *argv)
    {
	return win32_execvp(cmdname, argv);
    };
    virtual uid_t Getuid(void)
    {
	return getuid();
    };
    virtual uid_t Geteuid(void)
    {
	return geteuid();
    };
    virtual gid_t Getgid(void)
    {
	return getgid();
    };
    virtual gid_t Getegid(void)
    {
	return getegid();
    };
    virtual char *Getlogin(void)
    {
	return g_getlogin();
    };
    virtual int Kill(int pid, int sig)
    {
	return win32_kill(pid, sig);
    };
    virtual int Killpg(int pid, int sig)
    {
	croak("killpg not implemented!\n");
	return 0;
    };
    virtual int PauseProc(void)
    {
	return win32_sleep((32767L << 16) + 32767);
    };
    virtual PerlIO* Popen(const char *command, const char *mode)
    {
	win32_fflush(stdout);
	win32_fflush(stderr);
	return (PerlIO*)win32_popen(command, mode);
    };
    virtual int Pclose(PerlIO *stream)
    {
	return win32_pclose((FILE*)stream);
    };
    virtual int Pipe(int *phandles)
    {
	return win32_pipe(phandles, 512, O_BINARY);
    };
    virtual int Setuid(uid_t u)
    {
	return setuid(u);
    };
    virtual int Setgid(gid_t g)
    {
	return setgid(g);
    };
    virtual int Sleep(unsigned int s)
    {
	return win32_sleep(s);
    };
    virtual int Times(struct tms *timebuf)
    {
	return win32_times(timebuf);
    };
    virtual int Wait(int *status)
    {
	return win32_wait(status);
    };
    virtual int Waitpid(int pid, int *status, int flags)
    {
	return win32_waitpid(pid, status, flags);
    };
    virtual Sighandler_t Signal(int sig, Sighandler_t subcode)
    {
	return 0;
    };
    virtual void GetSysMsg(char*& sMsg, DWORD& dwLen, DWORD dwErr)
    {
	dwLen = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER
			  |FORMAT_MESSAGE_IGNORE_INSERTS
			  |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
			   dwErr, 0, (char *)&sMsg, 1, NULL);
	if (0 < dwLen) {
	    while (0 < dwLen  &&  isspace(sMsg[--dwLen]))
		;
	    if ('.' != sMsg[dwLen])
		dwLen++;
	    sMsg[dwLen]= '\0';
	}
	if (0 == dwLen) {
	    sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
	    dwLen = sprintf(sMsg,
			"Unknown error #0x%lX (lookup 0x%lX)",
			dwErr, GetLastError());
	}
    };
    virtual void FreeBuf(char* sMsg)
    {
	LocalFree(sMsg);
    };
    virtual BOOL DoCmd(char *cmd)
    {
	do_spawn2(cmd, EXECF_EXEC);
        return FALSE;
    };
    virtual int Spawn(char* cmds)
    {
	return do_spawn2(cmds, EXECF_SPAWN);
    };
    virtual int Spawnvp(int mode, const char *cmdname, const char *const *argv)
    {
	return win32_spawnvp(mode, cmdname, argv);
    };
    virtual int ASpawn(void *vreally, void **vmark, void **vsp)
    {
	return g_do_aspawn(vreally, vmark, vsp);
    };
};


class CPerlStdIO : public IPerlStdIO
{
public:
    CPerlStdIO() {};
    virtual PerlIO* Stdin(void)
    {
	return (PerlIO*)win32_stdin();
    };
    virtual PerlIO* Stdout(void)
    {
	return (PerlIO*)win32_stdout();
    };
    virtual PerlIO* Stderr(void)
    {
	return (PerlIO*)win32_stderr();
    };
    virtual PerlIO* Open(const char *path, const char *mode, int &err)
    {
	PerlIO*pf = (PerlIO*)win32_fopen(path, mode);
	if(errno)
	    err = errno;
	return pf;
    };
    virtual int Close(PerlIO* pf, int &err)
    {
	CALLFUNCERR(win32_fclose(((FILE*)pf)))
    };
    virtual int Eof(PerlIO* pf, int &err)
    {
	CALLFUNCERR(win32_feof((FILE*)pf))
    };
    virtual int Error(PerlIO* pf, int &err)
    {
	CALLFUNCERR(win32_ferror((FILE*)pf))
    };
    virtual void Clearerr(PerlIO* pf, int &err)
    {
	win32_clearerr((FILE*)pf);
    };
    virtual int Getc(PerlIO* pf, int &err)
    {
	CALLFUNCERR(win32_getc((FILE*)pf))
    };
    virtual char* GetBase(PerlIO* pf, int &err)
    {
#ifdef FILE_base
	FILE *f = (FILE*)pf;
	return FILE_base(f);
#else
	return Nullch;
#endif
    };
    virtual int GetBufsiz(PerlIO* pf, int &err)
    {
#ifdef FILE_bufsiz
	FILE *f = (FILE*)pf;
	return FILE_bufsiz(f);
#else
	return (-1);
#endif
    };
    virtual int GetCnt(PerlIO* pf, int &err)
    {
#ifdef USE_STDIO_PTR
	FILE *f = (FILE*)pf;
	return FILE_cnt(f);
#else
	return (-1);
#endif
    };
    virtual char* GetPtr(PerlIO* pf, int &err)
    {
#ifdef USE_STDIO_PTR
	FILE *f = (FILE*)pf;
	return FILE_ptr(f);
#else
	return Nullch;
#endif
    };
    virtual char* Gets(PerlIO* pf, char* s, int n, int& err)
    {
	char* ret = win32_fgets(s, n, (FILE*)pf);
	if(errno)
	    err = errno;
	return ret;
    };
    virtual int Putc(PerlIO* pf, int c, int &err)
    {
	CALLFUNCERR(win32_fputc(c, (FILE*)pf))
    };
    virtual int Puts(PerlIO* pf, const char *s, int &err)
    {
	CALLFUNCERR(win32_fputs(s, (FILE*)pf))
    };
    virtual int Flush(PerlIO* pf, int &err)
    {
	CALLFUNCERR(win32_fflush((FILE*)pf))
    };
    virtual int Ungetc(PerlIO* pf,int c, int &err)
    {
	CALLFUNCERR(win32_ungetc(c, (FILE*)pf))
    };
    virtual int Fileno(PerlIO* pf, int &err)
    {
	CALLFUNCERR(win32_fileno((FILE*)pf))
    };
    virtual PerlIO* Fdopen(int fd, const char *mode, int &err)
    {
	PerlIO* pf = (PerlIO*)win32_fdopen(fd, mode);
	if(errno)
	    err = errno;
	return pf;
    };
    virtual PerlIO* Reopen(const char*path, const char*mode, PerlIO* pf, int &err)
    {
	PerlIO* newPf = (PerlIO*)win32_freopen(path, mode, (FILE*)pf);
	if(errno)
	    err = errno;
	return newPf;
    };
    virtual SSize_t Read(PerlIO* pf, void *buffer, Size_t size, int &err)
    {
	SSize_t i = win32_fread(buffer, 1, size, (FILE*)pf);
	if(errno)
	    err = errno;
	return i;
    };
    virtual SSize_t Write(PerlIO* pf, const void *buffer, Size_t size, int &err)
    {
	SSize_t i = win32_fwrite(buffer, 1, size, (FILE*)pf);
	if(errno)
	    err = errno;
	return i;
    };
    virtual void SetBuf(PerlIO* pf, char* buffer, int &err)
    {
	win32_setbuf((FILE*)pf, buffer);
    };
    virtual int SetVBuf(PerlIO* pf, char* buffer, int type, Size_t size, int &err)
    {
	int i = win32_setvbuf((FILE*)pf, buffer, type, size);
	if(errno)
	    err = errno;
	return i;
    };
    virtual void SetCnt(PerlIO* pf, int n, int &err)
    {
#ifdef STDIO_CNT_LVALUE
	FILE *f = (FILE*)pf;
	FILE_cnt(f) = n;
#endif
    };
    virtual void SetPtrCnt(PerlIO* pf, char * ptr, int n, int& err)
    {
#ifdef STDIO_PTR_LVALUE
	FILE *f = (FILE*)pf;
	FILE_ptr(f) = ptr;
	FILE_cnt(f) = n;
#endif
    };
    virtual void Setlinebuf(PerlIO* pf, int &err)
    {
	win32_setvbuf((FILE*)pf, NULL, _IOLBF, 0);
    };
    virtual int Printf(PerlIO* pf, int &err, const char *format,...)
    {
	va_list(arglist);
	va_start(arglist, format);
	int i = win32_vfprintf((FILE*)pf, format, arglist);
	if(errno)
	    err = errno;
	return i;
    };
    virtual int Vprintf(PerlIO* pf, int &err, const char *format, va_list arglist)
    {
	int i = win32_vfprintf((FILE*)pf, format, arglist);
	if(errno)
	    err = errno;
	return i;
    };
    virtual long Tell(PerlIO* pf, int &err)
    {
	long l = win32_ftell((FILE*)pf);
	if(errno)
	    err = errno;
	return l;
    };
    virtual int Seek(PerlIO* pf, off_t offset, int origin, int &err)
    {
	int i = win32_fseek((FILE*)pf, offset, origin);
	if(errno)
	    err = errno;
	return i;
    };
    virtual void Rewind(PerlIO* pf, int &err)
    {
	win32_rewind((FILE*)pf);
    };
    virtual PerlIO* Tmpfile(int &err)
    {
	PerlIO* pf = (PerlIO*)win32_tmpfile();
	if(errno)
	    err = errno;
	return pf;
    };
    virtual int Getpos(PerlIO* pf, Fpos_t *p, int &err)
    {
	int i = win32_fgetpos((FILE*)pf, p);
	if(errno)
	    err = errno;
	return i;
    };
    virtual int Setpos(PerlIO* pf, const Fpos_t *p, int &err)
    {
	int i = win32_fsetpos((FILE*)pf, p);
	if(errno)
	    err = errno;
	return i;
    };
    virtual void Init(int &err)
    {
    };
    virtual void InitOSExtras(void* p)
    {
	Perl_init_os_extras();
    };
    virtual int OpenOSfhandle(long osfhandle, int flags)
    {
	return win32_open_osfhandle(osfhandle, flags);
    }
    virtual int GetOSfhandle(int filenum)
    {
	return win32_get_osfhandle(filenum);
    }
};

class CPerlHost
{
public:
    CPerlHost() { pPerl = NULL; };
    inline BOOL PerlCreate(void)
    {
	try
	{
	    pPerl = perl_alloc(&perlMem, &perlEnv, &perlStdIO, &perlLIO,
			       &perlDir, &perlSock, &perlProc);
	    if(pPerl != NULL)
	    {
		try
		{
		    pPerl->perl_construct();
		}
		catch(...)
		{
		    win32_fprintf(stderr, "%s\n",
				  "Error: Unable to construct data structures");
		    pPerl->perl_free();
		    pPerl = NULL;
		}
	    }
	}
	catch(...)
	{
	    win32_fprintf(stderr, "%s\n", "Error: Unable to allocate memory");
	    pPerl = NULL;
	}
	return (pPerl != NULL);
    };
    inline int PerlParse(void (*xs_init)(CPerlObj*), int argc, char** argv, char** env)
    {
	int retVal;
	try
	{
	    retVal = pPerl->perl_parse(xs_init, argc, argv, env);
	}
	catch(int x)
	{
	    // this is where exit() should arrive
	    retVal = x;
	}
	catch(...)
	{
	    win32_fprintf(stderr, "Error: Parse exception\n");
	    retVal = -1;
	}
	*win32_errno() = 0;
	return retVal;
    };
    inline int PerlRun(void)
    {
	int retVal;
	try
	{
	    retVal = pPerl->perl_run();
	}
	catch(int x)
	{
	    // this is where exit() should arrive
	    retVal = x;
	}
	catch(...)
	{
	    win32_fprintf(stderr, "Error: Runtime exception\n");
	    retVal = -1;
	}
	return retVal;
    };
    inline void PerlDestroy(void)
    {
	try
	{
	    pPerl->perl_destruct();
	    pPerl->perl_free();
	}
	catch(...)
	{
	}
    };

protected:
    CPerlDir	perlDir;
    CPerlEnv	perlEnv;
    CPerlLIO	perlLIO;
    CPerlMem	perlMem;
    CPerlProc	perlProc;
    CPerlSock	perlSock;
    CPerlStdIO	perlStdIO;
};