source/include/etip.h

0001 // * This makes emacs happy -*-Mode: C++;-*-
0002 /****************************************************************************
0003  * Copyright 2018-2021,2022 Thomas E. Dickey                                *
0004  * Copyright 1998-2012,2017 Free Software Foundation, Inc.                  *
0005  *                                                                          *
0006  * Permission is hereby granted, free of charge, to any person obtaining a  *
0007  * copy of this software and associated documentation files (the            *
0008  * "Software"), to deal in the Software without restriction, including      *
0009  * without limitation the rights to use, copy, modify, merge, publish,      *
0010  * distribute, distribute with modifications, sublicense, and/or sell       *
0011  * copies of the Software, and to permit persons to whom the Software is    *
0012  * furnished to do so, subject to the following conditions:                 *
0013  *                                                                          *
0014  * The above copyright notice and this permission notice shall be included  *
0015  * in all copies or substantial portions of the Software.                   *
0016  *                                                                          *
0017  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
0018  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
0019  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
0020  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
0021  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
0022  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
0023  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
0024  *                                                                          *
0025  * Except as contained in this notice, the name(s) of the above copyright   *
0026  * holders shall not be used in advertising or otherwise to promote the     *
0027  * sale, use or other dealings in this Software without prior written       *
0028  * authorization.                                                           *
0029  ****************************************************************************/
0030
0031 /****************************************************************************
0032  *   Author: Juergen Pfeifer, 1997                                          *
0033  ****************************************************************************/
0034
0035 // $Id: etip.h.in,v 1.50 2022/08/20 20:50:00 tom Exp $
0036
0037 #ifndef NCURSES_ETIP_H_incl
0038 #define NCURSES_ETIP_H_incl 1
0039
0040 // These are substituted at configure/build time
0041 #ifndef HAVE_BUILTIN_H
0042 #define HAVE_BUILTIN_H 0
0043 #endif
0044
0045 #ifndef HAVE_GXX_BUILTIN_H
0046 #define HAVE_GXX_BUILTIN_H 0
0047 #endif
0048
0049 #ifndef HAVE_GPP_BUILTIN_H
0050 #define HAVE_GPP_BUILTIN_H 0
0051 #endif
0052
0053 #ifndef HAVE_IOSTREAM
0054 #define HAVE_IOSTREAM 1
0055 #endif
0056
0057 #ifndef HAVE_TYPEINFO
0058 #define HAVE_TYPEINFO 1
0059 #endif
0060
0061 #ifndef HAVE_VALUES_H
0062 #define HAVE_VALUES_H 0
0063 #endif
0064
0065 #ifndef ETIP_NEEDS_MATH_H
0066 #define ETIP_NEEDS_MATH_H 0
0067 #endif
0068
0069 #ifndef ETIP_NEEDS_MATH_EXCEPTION
0070 #define ETIP_NEEDS_MATH_EXCEPTION 0
0071 #endif
0072
0073 #ifndef CPP_HAS_OVERRIDE
0074 #define CPP_HAS_OVERRIDE 0
0075 #endif
0076
0077 #ifndef CPP_HAS_PARAM_INIT
0078 #define CPP_HAS_PARAM_INIT 0
0079 #endif
0080
0081 #ifndef CPP_HAS_STATIC_CAST
0082 #define CPP_HAS_STATIC_CAST 1
0083 #endif
0084
0085 #ifndef IOSTREAM_NAMESPACE
0086 #define IOSTREAM_NAMESPACE 1
0087 #endif
0088
0089 #ifdef __GNUG__
0090 #  if ((__GNUG__ <= 2) && (__GNUC_MINOR__ < 8))
0091 #    if HAVE_TYPEINFO
0092 #      include <typeinfo>
0093 #    endif
0094 #  endif
0095 #endif
0096
0097 #if defined(__GNUG__)
0098 #  if HAVE_BUILTIN_H || HAVE_GXX_BUILTIN_H || HAVE_GPP_BUILTIN_H
0099 #    if ETIP_NEEDS_MATH_H
0100 #      if ETIP_NEEDS_MATH_EXCEPTION
0101 #        undef exception
0102 #        define exception math_exception
0103 #      endif
0104 #      include <math.h>
0105 #    endif
0106 #    undef exception
0107 #    define exception builtin_exception
0108 #    if HAVE_GPP_BUILTIN_H
0109 #     include <gpp/builtin.h>
0110 #    elif HAVE_GXX_BUILTIN_H
0111 #     include <g++/builtin.h>
0112 #    else
0113 #     include <builtin.h>
0114 #    endif
0115 #    undef exception
0116 #  endif
0117 #elif defined (__SUNPRO_CC)
0118 #  include <generic.h>
0119 #endif
0120
0121 #include <ncursesw/curses.h>
0122
0123 extern "C" {
0124 #if HAVE_VALUES_H
0125 #  include <values.h>
0126 #endif
0127
0128 #include <assert.h>
0129 #include <ncursesw/eti.h>
0130 #include <errno.h>
0131 }
0132
0133 // Language features
0134 #if CPP_HAS_OVERRIDE
0135 #define NCURSES_OVERRIDE override
0136 #else
0137 #define NCURSES_OVERRIDE /*nothing*/
0138 #endif
0139
0140 #if CPP_HAS_PARAM_INIT
0141 #define NCURSES_PARAM_INIT(value) = value
0142 #else
0143 #define NCURSES_PARAM_INIT(value) /*nothing*/
0144 #endif
0145
0146 #if CPP_HAS_STATIC_CAST
0147 #define STATIC_CAST(s) static_cast<s>
0148 #else
0149 #define STATIC_CAST(s) (s)
0150 #endif
0151
0152 #ifndef NCURSES_CXX_IMPEXP
0153 #define NCURSES_CXX_IMPEXP  /* nothing */
0154 #endif
0155
0156 // Forward Declarations
0157 class NCURSES_CXX_IMPEXP NCursesPanel;
0158 class NCURSES_CXX_IMPEXP NCursesMenu;
0159 class NCURSES_CXX_IMPEXP NCursesForm;
0160
0161 class NCURSES_CXX_IMPEXP NCursesException
0162 {
0163 public:
0164   const char *message;
0165   int errorno;
0166
0167   NCursesException (const char* msg, int err)
0168     : message(msg), errorno (err)
0169     {};
0170
0171   explicit NCursesException (const char* msg)
0172     : message(msg), errorno (E_SYSTEM_ERROR)
0173     {};
0174
0175   NCursesException& operator=(const NCursesException& rhs)
0176   {
0177     message = rhs.message;
0178     errorno = rhs.errorno;
0179     return *this;
0180   }
0181
0182   NCursesException(const NCursesException& rhs)
0183     : message(rhs.message), errorno(rhs.errorno)
0184   {
0185   }
0186
0187   virtual const char *classname() const {
0188     return "NCursesWindow";
0189   }
0190
0191   virtual ~NCursesException()
0192   {
0193   }
0194 };
0195
0196 class NCURSES_CXX_IMPEXP NCursesPanelException : public NCursesException
0197 {
0198 public:
0199   const NCursesPanel* p;
0200
0201   NCursesPanelException (const char *msg, int err) :
0202     NCursesException (msg, err),
0203     p (0)
0204     {};
0205
0206   NCursesPanelException (const NCursesPanel* panel,
0207              const char *msg,
0208              int err) :
0209     NCursesException (msg, err),
0210     p (panel)
0211     {};
0212
0213   explicit NCursesPanelException (int err) :
0214     NCursesException ("panel library error", err),
0215     p (0)
0216     {};
0217
0218   NCursesPanelException (const NCursesPanel* panel,
0219              int err) :
0220     NCursesException ("panel library error", err),
0221     p (panel)
0222     {};
0223
0224   NCursesPanelException& operator=(const NCursesPanelException& rhs)
0225   {
0226     if (this != &rhs) {
0227       NCursesException::operator=(rhs);
0228       p = rhs.p;
0229     }
0230     return *this;
0231   }
0232
0233   NCursesPanelException(const NCursesPanelException& rhs)
0234     : NCursesException(rhs), p(rhs.p)
0235   {
0236   }
0237
0238   virtual const char *classname() const NCURSES_OVERRIDE {
0239     return "NCursesPanel";
0240   }
0241
0242   virtual ~NCursesPanelException()
0243   {
0244   }
0245 };
0246
0247 class NCURSES_CXX_IMPEXP NCursesMenuException : public NCursesException
0248 {
0249 public:
0250   const NCursesMenu* m;
0251
0252   NCursesMenuException (const char *msg, int err) :
0253     NCursesException (msg, err),
0254     m (0)
0255     {};
0256
0257   NCursesMenuException (const NCursesMenu* menu,
0258             const char *msg,
0259             int err) :
0260     NCursesException (msg, err),
0261     m (menu)
0262     {};
0263
0264   explicit NCursesMenuException (int err) :
0265     NCursesException ("menu library error", err),
0266     m (0)
0267     {};
0268
0269   NCursesMenuException (const NCursesMenu* menu,
0270             int err) :
0271     NCursesException ("menu library error", err),
0272     m (menu)
0273     {};
0274
0275   NCursesMenuException& operator=(const NCursesMenuException& rhs)
0276   {
0277     if (this != &rhs) {
0278       NCursesException::operator=(rhs);
0279       m = rhs.m;
0280     }
0281     return *this;
0282   }
0283
0284   NCursesMenuException(const NCursesMenuException& rhs)
0285     : NCursesException(rhs), m(rhs.m)
0286   {
0287   }
0288
0289   virtual const char *classname() const NCURSES_OVERRIDE {
0290     return "NCursesMenu";
0291   }
0292
0293   virtual ~NCursesMenuException()
0294   {
0295   }
0296 };
0297
0298 class NCURSES_CXX_IMPEXP NCursesFormException : public NCursesException
0299 {
0300 public:
0301   const NCursesForm* f;
0302
0303   NCursesFormException (const char *msg, int err) :
0304     NCursesException (msg, err),
0305     f (0)
0306     {};
0307
0308   NCursesFormException (const NCursesForm* form,
0309             const char *msg,
0310             int err) :
0311     NCursesException (msg, err),
0312     f (form)
0313     {};
0314
0315   explicit NCursesFormException (int err) :
0316     NCursesException ("form library error", err),
0317     f (0)
0318     {};
0319
0320   NCursesFormException (const NCursesForm* form,
0321             int err) :
0322     NCursesException ("form library error", err),
0323     f (form)
0324     {};
0325
0326   NCursesFormException& operator=(const NCursesFormException& rhs)
0327   {
0328     if (this != &rhs) {
0329       NCursesException::operator=(rhs);
0330       f = rhs.f;
0331     }
0332     return *this;
0333   }
0334
0335   NCursesFormException(const NCursesFormException& rhs)
0336     : NCursesException(rhs), f(rhs.f)
0337   {
0338   }
0339
0340   virtual const char *classname() const NCURSES_OVERRIDE {
0341     return "NCursesForm";
0342   }
0343
0344   virtual ~NCursesFormException()
0345   {
0346   }
0347 };
0348
0349 #if !((defined(__GNUG__) && defined(__EXCEPTIONS) && (__GNUG__ < 7)) || defined(__SUNPRO_CC))
0350 #  if HAVE_IOSTREAM
0351 #     include <iostream>
0352 #     if IOSTREAM_NAMESPACE
0353 using std::cerr;
0354 using std::endl;
0355 #     endif
0356 #  else
0357 #     include <iostream.h>
0358 #  endif
0359 #endif
0360
0361 inline void THROW(const NCursesException *e) {
0362 #if defined(__GNUG__) && defined(__EXCEPTIONS)
0363 #  if ((__GNUG__ <= 2) && (__GNUC_MINOR__ < 8))
0364       (*lib_error_handler)(e ? e->classname() : "", e ? e->message : "");
0365 #  elif (__GNUG__ >= 7)
0366      // g++ 7.0 warns about deprecation, but lacks the predefined symbols
0367       ::endwin();
0368       std::cerr << "Found a problem - goodbye" << std::endl;
0369       exit(EXIT_FAILURE);
0370 #  else
0371 #    define CPP_HAS_TRY_CATCH 1
0372 #  endif
0373 #elif defined(__SUNPRO_CC)
0374 #  if !defined(__SUNPRO_CC_COMPAT) || (__SUNPRO_CC_COMPAT < 5)
0375   genericerror(1, ((e != 0) ? (char *)(e->message) : ""));
0376 #  else
0377 #    define CPP_HAS_TRY_CATCH 1
0378 #  endif
0379 #else
0380   if (e)
0381     cerr << e->message << endl;
0382   exit(0);
0383 #endif
0384
0385 #ifndef CPP_HAS_TRY_CATCH
0386 #define CPP_HAS_TRY_CATCH 0
0387 #define NCURSES_CPP_TRY     /* nothing */
0388 #define NCURSES_CPP_CATCH(e)    if (false)
0389 #define THROWS(s)       /* nothing */
0390 #define THROW2(s,t)     /* nothing */
0391 #elif CPP_HAS_TRY_CATCH
0392   throw *e;
0393 #define NCURSES_CPP_TRY     try
0394 #define NCURSES_CPP_CATCH(e)    catch(e)
0395 #if defined(__cpp_noexcept_function_type) && (__cpp_noexcept_function_type >= 201510)
0396 // C++17 deprecates the usage of throw().
0397 #define THROWS(s)       /* nothing */
0398 #define THROW2(s,t)     /* nothing */
0399 #else
0400 #define THROWS(s)       throw(s)
0401 #define THROW2(s,t)     throw(s,t)
0402 #endif
0403 #endif
0404 }
0405
0406 #endif /* NCURSES_ETIP_H_incl */