105 lines
3.6 KiB
C
105 lines
3.6 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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* Header for error handling/printing/exiting code
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*
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*/
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#pragma once
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#include <stdio.h>
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#include "dxxsconf.h"
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#include <assert.h>
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#include "fmtcheck.h"
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#ifdef __cplusplus
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#ifdef __GNUC__
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#define __noreturn __attribute__ ((noreturn))
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#else
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#define __noreturn
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#endif
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int error_init(void (*func)(const char *)); //init error system, returns 0=ok
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void Warning_puts(const char *str) __attribute_nonnull();
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void Warning(const char *fmt,...) __attribute_format_printf(1, 2); //print out warning message to user
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#define Warning(F,...) dxx_call_printf_checked(Warning,Warning_puts,(),(F),##__VA_ARGS__)
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void set_warn_func(void (*f)(const char *s));//specifies the function to call with warning messages
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void clear_warn_func();//say this function no longer valid
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void Error_puts(const char *func, unsigned line, const char *str) __noreturn __attribute_nonnull();
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#define Error_puts(F) Error_puts(__func__, __LINE__,F)
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void Error(const char *func, unsigned line, const char *fmt,...) __noreturn __attribute_format_printf(3, 4); //exit with error code=1, print message
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#define Error(F,...) dxx_call_printf_checked(Error,(Error_puts),(__func__, __LINE__),(F),##__VA_ARGS__)
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void UserError_puts(const char *str) __noreturn __attribute_nonnull();
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void UserError(const char *fmt, ...) __noreturn __attribute_format_printf(1, 2);
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#define UserError(F,...) dxx_call_printf_checked(UserError,(UserError_puts),(),(F),##__VA_ARGS__)
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#define Assert assert
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/* Compatibility with x86-specific name */
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#define Int3() d_debugbreak()
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#ifndef NDEBUG //macros for debugging
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# define DXX_ENABLE_DEBUGBREAK_TRAP
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#endif
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/* Allow macro override */
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#if defined(DXX_ENABLE_DEBUGBREAK_TRAP) && !defined(DXX_DEBUGBREAK_TRAP)
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#if defined __clang__
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/* Must be first, since clang also defines __GNUC__ */
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# define DXX_DEBUGBREAK_TRAP() __builtin_debugtrap()
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#elif defined __GNUC__
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# if defined(__i386__) || defined(__amd64__)
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# define DXX_DEBUGBREAK_TRAP() __asm__ __volatile__("int3" ::: "cc", "memory")
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# endif
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#elif defined _MSC_VER
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# define DXX_DEBUGBREAK_TRAP() __debugbreak()
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#endif
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#ifndef DXX_DEBUGBREAK_TRAP
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# if defined __unix__
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/* for raise */
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# include <signal.h>
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# define DXX_DEBUGBREAK_TRAP() raise(SIGTRAP)
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# elif defined __GNUC__
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/* May terminate execution */
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# define DXX_DEBUGBREAK_TRAP() __builtin_trap()
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# endif
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#endif
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#endif
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// Encourage optimizer to treat d_debugbreak paths as unlikely
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__attribute_cold
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// Requested by btb to force Xcode to stay in the calling function
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__attribute_always_inline()
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static inline void d_debugbreak()
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{
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/* Allow explicit activation in NDEBUG builds */
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#ifdef DXX_DEBUGBREAK_TRAP
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DXX_DEBUGBREAK_TRAP();
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#endif
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}
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#endif
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