166 lines
4.6 KiB
C++
166 lines
4.6 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Error handling/printing/exiting code
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*
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*/
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#include <cstdlib>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include "messagebox.h"
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#include "pstypes.h"
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#include "console.h"
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#include "dxxerror.h"
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namespace dcx {
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#define MAX_MSG_LEN 2048
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#if !DXX_USE_EDITOR || (!(defined(WIN32) || defined(__APPLE__) || defined(__MACH__)))
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static void warn_printf(const std::span<const char> s)
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{
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con_puts(CON_URGENT, s.data());
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}
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#endif
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#if DXX_USE_EDITOR
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static void (*warn_func)(std::span<const char> s) =
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#if defined(WIN32) || defined(__APPLE__) || defined(__MACH__)
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msgbox_warning
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#else
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warn_printf
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#endif
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;
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//provides a function to call with warning messages
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void set_warn_func(void (*f)(std::span<const char> s))
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{
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warn_func = f;
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}
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#if !(defined(WIN32) || defined(__APPLE__) || defined(__MACH__))
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//uninstall warning function - install default printf
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void clear_warn_func()
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{
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warn_func = warn_printf;
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}
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#endif
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#else
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constexpr auto warn_func = &warn_printf;
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#endif
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namespace {
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static void print_exit_message(const std::span<const char> exit_message)
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{
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con_puts(CON_CRITICAL, exit_message.data(), exit_message.size());
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msgbox_error(exit_message.data());
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}
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[[noreturn]]
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static void abort_print_exit_message(const std::span<const char> exit_message)
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{
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print_exit_message(exit_message);
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d_debugbreak();
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std::abort();
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}
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[[noreturn]]
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static void graceful_print_exit_message(const std::span<const char> exit_message)
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{
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print_exit_message(exit_message);
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exit(1);
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}
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}
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void (Error_puts)(const char *filename, const unsigned line, const char *func, const char *str)
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{
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char exit_message[MAX_MSG_LEN]; // don't put the new line in for dialog output
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const auto len = snprintf(exit_message, sizeof(exit_message), "%s:%u: %s: error: %s", filename, line, func, str);
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abort_print_exit_message({exit_message, len > 0 ? static_cast<std::size_t>(len) : 0});
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}
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void (UserError_puts)(const char *str, std::size_t len)
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{
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graceful_print_exit_message({str, len});
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}
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//terminates with error code 1, printing message
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void (Error)(const char *filename, const unsigned line, const char *func, const char *fmt,...)
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{
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char exit_message[MAX_MSG_LEN]; // don't put the new line in for dialog output
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va_list arglist;
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const std::size_t leader = std::max(snprintf(exit_message, sizeof(exit_message), "%s:%u: %s: error: ", filename, line, func), 0);
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va_start(arglist,fmt);
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const std::size_t len = std::max(vsnprintf(exit_message + leader, sizeof(exit_message) - leader, fmt, arglist), 0);
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va_end(arglist);
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abort_print_exit_message({exit_message, leader + len});
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}
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void (UserError)(const char *fmt,...)
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{
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char exit_message[MAX_MSG_LEN]; // don't put the new line in for dialog output
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va_list arglist;
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va_start(arglist,fmt);
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const std::size_t len = std::max(vsnprintf(exit_message, sizeof(exit_message), fmt, arglist), 0);
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va_end(arglist);
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graceful_print_exit_message({exit_message, len});
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}
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void Warning_puts(const char *str)
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{
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const auto warn = warn_func;
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#if DXX_USE_EDITOR
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if (warn == NULL)
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return;
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#endif
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std::array<char, MAX_MSG_LEN> warn_message;
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const auto written = snprintf(std::data(warn_message), std::size(warn_message), "Warning: %s", str);
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(*warn)(std::span<const char>(warn_message.data(), written));
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}
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//print out warning message to user
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void (Warning)(const char *fmt,...)
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{
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va_list arglist;
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const auto warn = warn_func;
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#if DXX_USE_EDITOR
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if (warn == NULL)
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return;
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#endif
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std::array<char, MAX_MSG_LEN> warn_message;
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strcpy(warn_message.data(), "Warning: ");
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va_start(arglist,fmt);
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const auto written = vsnprintf(std::next(warn_message.begin(), 9), std::size(warn_message) - 9, fmt, arglist);
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va_end(arglist);
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(*warn)(std::span<const char>(warn_message.data(), written + 9));
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}
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}
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