mirror of
https://github.com/godotengine/godot
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836 lines
49 KiB
C++
836 lines
49 KiB
C++
/**************************************************************************/
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/* error_macros.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef ERROR_MACROS_H
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#define ERROR_MACROS_H
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#include "core/typedefs.h"
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#include <atomic> // We'd normally use safe_refcount.h, but that would cause circular includes.
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class String;
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enum ErrorHandlerType {
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ERR_HANDLER_ERROR,
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ERR_HANDLER_WARNING,
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ERR_HANDLER_SCRIPT,
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ERR_HANDLER_SHADER,
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};
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// Pointer to the error handler printing function. Reassign to any function to have errors printed.
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// Parameters: userdata, function, file, line, error, explanation, type.
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typedef void (*ErrorHandlerFunc)(void *, const char *, const char *, int p_line, const char *, const char *, bool p_editor_notify, ErrorHandlerType p_type);
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struct ErrorHandlerList {
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ErrorHandlerFunc errfunc = nullptr;
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void *userdata = nullptr;
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ErrorHandlerList *next = nullptr;
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ErrorHandlerList() {}
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};
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void add_error_handler(ErrorHandlerList *p_handler);
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void remove_error_handler(const ErrorHandlerList *p_handler);
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// Functions used by the error macros.
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void _err_print_error(const char *p_function, const char *p_file, int p_line, const char *p_error, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
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void _err_print_error(const char *p_function, const char *p_file, int p_line, const String &p_error, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
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void _err_print_error(const char *p_function, const char *p_file, int p_line, const char *p_error, const char *p_message, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
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void _err_print_error(const char *p_function, const char *p_file, int p_line, const String &p_error, const char *p_message, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
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void _err_print_error(const char *p_function, const char *p_file, int p_line, const char *p_error, const String &p_message, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
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void _err_print_error(const char *p_function, const char *p_file, int p_line, const String &p_error, const String &p_message, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
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void _err_print_index_error(const char *p_function, const char *p_file, int p_line, int64_t p_index, int64_t p_size, const char *p_index_str, const char *p_size_str, const char *p_message = "", bool p_editor_notify = false, bool fatal = false);
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void _err_print_index_error(const char *p_function, const char *p_file, int p_line, int64_t p_index, int64_t p_size, const char *p_index_str, const char *p_size_str, const String &p_message, bool p_editor_notify = false, bool fatal = false);
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void _err_flush_stdout();
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#ifdef __GNUC__
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//#define FUNCTION_STR __PRETTY_FUNCTION__ - too annoying
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#define FUNCTION_STR __FUNCTION__
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#else
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#define FUNCTION_STR __FUNCTION__
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#endif
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#ifdef _MSC_VER
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/**
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* Don't use GENERATE_TRAP() directly, should only be used be the macros below.
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*/
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#define GENERATE_TRAP() __debugbreak()
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#else
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/**
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* Don't use GENERATE_TRAP() directly, should only be used be the macros below.
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*/
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#define GENERATE_TRAP() __builtin_trap()
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#endif
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/**
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* Error macros.
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* WARNING: These macros work in the opposite way to assert().
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*
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* Unlike exceptions and asserts, these macros try to maintain consistency and stability.
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* In most cases, bugs and/or invalid data are not fatal. They should never allow a perfectly
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* running application to fail or crash.
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* Always try to return processable data, so the engine can keep running well.
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* Use the _MSG versions to print a meaningful message to help with debugging.
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*
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* The `((void)0)` no-op statement is used as a trick to force us to put a semicolon after
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* those macros, making them look like proper statements.
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* The if wrappers are used to ensure that the macro replacement does not trigger unexpected
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* issues when expanded e.g. after an `if (cond) ERR_FAIL();` without braces.
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*/
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// Index out of bounds error macros.
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// These macros should be used instead of `ERR_FAIL_COND` for bounds checking.
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// Integer index out of bounds error macros.
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/**
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* Try using `ERR_FAIL_INDEX_MSG`.
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* Only use this macro if there is no sensible error message.
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*
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* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
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* If not, the current function returns.
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*/
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#define ERR_FAIL_INDEX(m_index, m_size) \
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if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
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return; \
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} else \
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((void)0)
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/**
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* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
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* If not, prints `m_msg` and the current function returns.
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*/
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#define ERR_FAIL_INDEX_MSG(m_index, m_size, m_msg) \
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if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
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return; \
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} else \
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((void)0)
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/**
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* Same as `ERR_FAIL_INDEX_MSG` but also notifies the editor.
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*/
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#define ERR_FAIL_INDEX_EDMSG(m_index, m_size, m_msg) \
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if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
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return; \
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} else \
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((void)0)
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/**
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* Try using `ERR_FAIL_INDEX_V_MSG`.
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* Only use this macro if there is no sensible error message.
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*
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* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
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* If not, the current function returns `m_retval`.
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*/
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#define ERR_FAIL_INDEX_V(m_index, m_size, m_retval) \
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if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
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return m_retval; \
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} else \
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((void)0)
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/**
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* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
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* If not, prints `m_msg` and the current function returns `m_retval`.
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*/
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#define ERR_FAIL_INDEX_V_MSG(m_index, m_size, m_retval, m_msg) \
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if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
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return m_retval; \
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} else \
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((void)0)
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/**
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* Same as `ERR_FAIL_INDEX_V_MSG` but also notifies the editor.
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*/
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#define ERR_FAIL_INDEX_V_EDMSG(m_index, m_size, m_retval, m_msg) \
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if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
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return m_retval; \
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} else \
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((void)0)
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/**
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* Try using `ERR_FAIL_INDEX_MSG` or `ERR_FAIL_INDEX_V_MSG`.
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* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable, and
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* there is no sensible error message.
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*
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* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
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* If not, the application crashes.
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*/
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#define CRASH_BAD_INDEX(m_index, m_size) \
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if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), "", false, true); \
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_err_flush_stdout(); \
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GENERATE_TRAP(); \
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} else \
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((void)0)
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/**
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* Try using `ERR_FAIL_INDEX_MSG` or `ERR_FAIL_INDEX_V_MSG`.
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* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable.
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*
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* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
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* If not, prints `m_msg` and the application crashes.
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*/
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#define CRASH_BAD_INDEX_MSG(m_index, m_size, m_msg) \
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if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, false, true); \
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_err_flush_stdout(); \
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GENERATE_TRAP(); \
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} else \
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((void)0)
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// Unsigned integer index out of bounds error macros.
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/**
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* Try using `ERR_FAIL_UNSIGNED_INDEX_MSG`.
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* Only use this macro if there is no sensible error message.
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*
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* Ensures an unsigned integer index `m_index` is less than `m_size`.
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* If not, the current function returns.
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*/
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#define ERR_FAIL_UNSIGNED_INDEX(m_index, m_size) \
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if (unlikely((m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
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return; \
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} else \
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((void)0)
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/**
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* Ensures an unsigned integer index `m_index` is less than `m_size`.
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* If not, prints `m_msg` and the current function returns.
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*/
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#define ERR_FAIL_UNSIGNED_INDEX_MSG(m_index, m_size, m_msg) \
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if (unlikely((m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
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return; \
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} else \
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((void)0)
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/**
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* Same as `ERR_FAIL_UNSIGNED_INDEX_MSG` but also notifies the editor.
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*/
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#define ERR_FAIL_UNSIGNED_INDEX_EDMSG(m_index, m_size, m_msg) \
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if (unlikely((m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
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return; \
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} else \
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((void)0)
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/**
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* Try using `ERR_FAIL_UNSIGNED_INDEX_V_MSG`.
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* Only use this macro if there is no sensible error message.
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*
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* Ensures an unsigned integer index `m_index` is less than `m_size`.
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* If not, the current function returns `m_retval`.
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*/
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#define ERR_FAIL_UNSIGNED_INDEX_V(m_index, m_size, m_retval) \
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if (unlikely((m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
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return m_retval; \
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} else \
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((void)0)
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/**
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* Ensures an unsigned integer index `m_index` is less than `m_size`.
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* If not, prints `m_msg` and the current function returns `m_retval`.
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*/
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#define ERR_FAIL_UNSIGNED_INDEX_V_MSG(m_index, m_size, m_retval, m_msg) \
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if (unlikely((m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
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return m_retval; \
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} else \
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((void)0)
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/**
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* Same as `ERR_FAIL_UNSIGNED_INDEX_V_EDMSG` but also notifies the editor.
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*/
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#define ERR_FAIL_UNSIGNED_INDEX_V_EDMSG(m_index, m_size, m_retval, m_msg) \
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if (unlikely((m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
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return m_retval; \
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} else \
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((void)0)
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/**
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* Try using `ERR_FAIL_UNSIGNED_INDEX_MSG` or `ERR_FAIL_UNSIGNED_INDEX_V_MSG`.
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* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable, and
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* there is no sensible error message.
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*
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* Ensures an unsigned integer index `m_index` is less than `m_size`.
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* If not, the application crashes.
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*/
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#define CRASH_BAD_UNSIGNED_INDEX(m_index, m_size) \
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if (unlikely((m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), "", false, true); \
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_err_flush_stdout(); \
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GENERATE_TRAP(); \
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} else \
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((void)0)
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/**
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* Try using `ERR_FAIL_UNSIGNED_INDEX_MSG` or `ERR_FAIL_UNSIGNED_INDEX_V_MSG`.
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* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable.
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*
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* Ensures an unsigned integer index `m_index` is less than `m_size`.
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* If not, prints `m_msg` and the application crashes.
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*/
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#define CRASH_BAD_UNSIGNED_INDEX_MSG(m_index, m_size, m_msg) \
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if (unlikely((m_index) >= (m_size))) { \
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_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, false, true); \
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_err_flush_stdout(); \
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GENERATE_TRAP(); \
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} else \
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((void)0)
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// Null reference error macros.
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/**
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* Try using `ERR_FAIL_NULL_MSG`.
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* Only use this macro if there is no sensible error message.
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*
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* Ensures a pointer `m_param` is not null.
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* If it is null, the current function returns.
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*/
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#define ERR_FAIL_NULL(m_param) \
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if (unlikely(m_param == nullptr)) { \
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_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null."); \
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return; \
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} else \
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((void)0)
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/**
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* Ensures a pointer `m_param` is not null.
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* If it is null, prints `m_msg` and the current function returns.
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*/
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#define ERR_FAIL_NULL_MSG(m_param, m_msg) \
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if (unlikely(m_param == nullptr)) { \
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_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg); \
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return; \
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} else \
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((void)0)
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/**
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* Same as `ERR_FAIL_NULL_MSG` but also notifies the editor.
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*/
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#define ERR_FAIL_NULL_EDMSG(m_param, m_msg) \
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if (unlikely(m_param == nullptr)) { \
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_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg, true); \
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return; \
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} else \
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((void)0)
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/**
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* Try using `ERR_FAIL_NULL_V_MSG`.
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* Only use this macro if there is no sensible error message.
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*
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* Ensures a pointer `m_param` is not null.
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* If it is null, the current function returns `m_retval`.
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*/
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#define ERR_FAIL_NULL_V(m_param, m_retval) \
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if (unlikely(m_param == nullptr)) { \
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_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null."); \
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return m_retval; \
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} else \
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((void)0)
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/**
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* Ensures a pointer `m_param` is not null.
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* If it is null, prints `m_msg` and the current function returns `m_retval`.
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*/
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#define ERR_FAIL_NULL_V_MSG(m_param, m_retval, m_msg) \
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if (unlikely(m_param == nullptr)) { \
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_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg); \
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return m_retval; \
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} else \
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((void)0)
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/**
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* Same as `ERR_FAIL_NULL_V_MSG` but also notifies the editor.
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*/
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#define ERR_FAIL_NULL_V_EDMSG(m_param, m_retval, m_msg) \
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if (unlikely(m_param == nullptr)) { \
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_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg, true); \
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return m_retval; \
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} else \
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((void)0)
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/**
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* Try using `ERR_FAIL_COND_MSG`.
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* Only use this macro if there is no sensible error message.
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* If checking for null use ERR_FAIL_NULL_MSG instead.
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* If checking index bounds use ERR_FAIL_INDEX_MSG instead.
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*
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* Ensures `m_cond` is false.
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* If `m_cond` is true, the current function returns.
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*/
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#define ERR_FAIL_COND(m_cond) \
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if (unlikely(m_cond)) { \
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_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true."); \
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|
return; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Ensures `m_cond` is false.
|
|
* If `m_cond` is true, prints `m_msg` and the current function returns.
|
|
*
|
|
* If checking for null use ERR_FAIL_NULL_MSG instead.
|
|
* If checking index bounds use ERR_FAIL_INDEX_MSG instead.
|
|
*/
|
|
#define ERR_FAIL_COND_MSG(m_cond, m_msg) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true.", m_msg); \
|
|
return; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Same as `ERR_FAIL_COND_MSG` but also notifies the editor.
|
|
*/
|
|
#define ERR_FAIL_COND_EDMSG(m_cond, m_msg) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true.", m_msg, true); \
|
|
return; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Try using `ERR_FAIL_COND_V_MSG`.
|
|
* Only use this macro if there is no sensible error message.
|
|
* If checking for null use ERR_FAIL_NULL_V_MSG instead.
|
|
* If checking index bounds use ERR_FAIL_INDEX_V_MSG instead.
|
|
*
|
|
* Ensures `m_cond` is false.
|
|
* If `m_cond` is true, the current function returns `m_retval`.
|
|
*/
|
|
#define ERR_FAIL_COND_V(m_cond, m_retval) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Returning: " _STR(m_retval)); \
|
|
return m_retval; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Ensures `m_cond` is false.
|
|
* If `m_cond` is true, prints `m_msg` and the current function returns `m_retval`.
|
|
*
|
|
* If checking for null use ERR_FAIL_NULL_V_MSG instead.
|
|
* If checking index bounds use ERR_FAIL_INDEX_V_MSG instead.
|
|
*/
|
|
#define ERR_FAIL_COND_V_MSG(m_cond, m_retval, m_msg) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Returning: " _STR(m_retval), m_msg); \
|
|
return m_retval; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Same as `ERR_FAIL_COND_V_MSG` but also notifies the editor.
|
|
*/
|
|
#define ERR_FAIL_COND_V_EDMSG(m_cond, m_retval, m_msg) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Returning: " _STR(m_retval), m_msg, true); \
|
|
return m_retval; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Try using `ERR_CONTINUE_MSG`.
|
|
* Only use this macro if there is no sensible error message.
|
|
*
|
|
* Ensures `m_cond` is false.
|
|
* If `m_cond` is true, the current loop continues.
|
|
*/
|
|
#define ERR_CONTINUE(m_cond) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Continuing."); \
|
|
continue; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Ensures `m_cond` is false.
|
|
* If `m_cond` is true, prints `m_msg` and the current loop continues.
|
|
*/
|
|
#define ERR_CONTINUE_MSG(m_cond, m_msg) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Continuing.", m_msg); \
|
|
continue; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Same as `ERR_CONTINUE_MSG` but also notifies the editor.
|
|
*/
|
|
#define ERR_CONTINUE_EDMSG(m_cond, m_msg) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Continuing.", m_msg, true); \
|
|
continue; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Try using `ERR_BREAK_MSG`.
|
|
* Only use this macro if there is no sensible error message.
|
|
*
|
|
* Ensures `m_cond` is false.
|
|
* If `m_cond` is true, the current loop breaks.
|
|
*/
|
|
#define ERR_BREAK(m_cond) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Breaking."); \
|
|
break; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Ensures `m_cond` is false.
|
|
* If `m_cond` is true, prints `m_msg` and the current loop breaks.
|
|
*/
|
|
#define ERR_BREAK_MSG(m_cond, m_msg) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Breaking.", m_msg); \
|
|
break; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Same as `ERR_BREAK_MSG` but also notifies the editor.
|
|
*/
|
|
#define ERR_BREAK_EDMSG(m_cond, m_msg) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Breaking.", m_msg, true); \
|
|
break; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Try using `ERR_FAIL_COND_MSG` or `ERR_FAIL_COND_V_MSG`.
|
|
* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable, and
|
|
* there is no sensible error message.
|
|
*
|
|
* Ensures `m_cond` is false.
|
|
* If `m_cond` is true, the application crashes.
|
|
*/
|
|
#define CRASH_COND(m_cond) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Condition \"" _STR(m_cond) "\" is true."); \
|
|
_err_flush_stdout(); \
|
|
GENERATE_TRAP(); \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Try using `ERR_FAIL_COND_MSG` or `ERR_FAIL_COND_V_MSG`.
|
|
* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable.
|
|
*
|
|
* Ensures `m_cond` is false.
|
|
* If `m_cond` is true, prints `m_msg` and the application crashes.
|
|
*/
|
|
#define CRASH_COND_MSG(m_cond, m_msg) \
|
|
if (unlikely(m_cond)) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Condition \"" _STR(m_cond) "\" is true.", m_msg); \
|
|
_err_flush_stdout(); \
|
|
GENERATE_TRAP(); \
|
|
} else \
|
|
((void)0)
|
|
|
|
// Generic error macros.
|
|
|
|
/**
|
|
* Try using `ERR_FAIL_COND_MSG` or `ERR_FAIL_MSG`.
|
|
* Only use this macro if more complex error detection or recovery is required, and
|
|
* there is no sensible error message.
|
|
*
|
|
* The current function returns.
|
|
*/
|
|
#define ERR_FAIL() \
|
|
if (true) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed."); \
|
|
return; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Try using `ERR_FAIL_COND_MSG`.
|
|
* Only use this macro if more complex error detection or recovery is required.
|
|
*
|
|
* Prints `m_msg`, and the current function returns.
|
|
*/
|
|
#define ERR_FAIL_MSG(m_msg) \
|
|
if (true) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed.", m_msg); \
|
|
return; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Same as `ERR_FAIL_MSG` but also notifies the editor.
|
|
*/
|
|
#define ERR_FAIL_EDMSG(m_msg) \
|
|
if (true) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed.", m_msg, true); \
|
|
return; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Try using `ERR_FAIL_COND_V_MSG` or `ERR_FAIL_V_MSG`.
|
|
* Only use this macro if more complex error detection or recovery is required, and
|
|
* there is no sensible error message.
|
|
*
|
|
* The current function returns `m_retval`.
|
|
*/
|
|
#define ERR_FAIL_V(m_retval) \
|
|
if (true) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed. Returning: " _STR(m_retval)); \
|
|
return m_retval; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Try using `ERR_FAIL_COND_V_MSG`.
|
|
* Only use this macro if more complex error detection or recovery is required.
|
|
*
|
|
* Prints `m_msg`, and the current function returns `m_retval`.
|
|
*/
|
|
#define ERR_FAIL_V_MSG(m_retval, m_msg) \
|
|
if (true) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed. Returning: " _STR(m_retval), m_msg); \
|
|
return m_retval; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Same as `ERR_FAIL_V_MSG` but also notifies the editor.
|
|
*/
|
|
#define ERR_FAIL_V_EDMSG(m_retval, m_msg) \
|
|
if (true) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed. Returning: " _STR(m_retval), m_msg, true); \
|
|
return m_retval; \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Try using `ERR_FAIL_COND_MSG`, `ERR_FAIL_COND_V_MSG`, `ERR_CONTINUE_MSG` or `ERR_BREAK_MSG`.
|
|
* Only use this macro at the start of a function that has not been implemented yet, or
|
|
* if more complex error detection or recovery is required.
|
|
*
|
|
* Prints `m_msg`.
|
|
*/
|
|
#define ERR_PRINT(m_msg) \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg)
|
|
|
|
/**
|
|
* Same as `ERR_PRINT` but also notifies the editor.
|
|
*/
|
|
#define ERR_PRINT_ED(m_msg) \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, true)
|
|
|
|
/**
|
|
* Prints `m_msg` once during the application lifetime.
|
|
*/
|
|
#define ERR_PRINT_ONCE(m_msg) \
|
|
if (true) { \
|
|
static bool first_print = true; \
|
|
if (first_print) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg); \
|
|
first_print = false; \
|
|
} \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Same as `ERR_PRINT_ONCE` but also notifies the editor.
|
|
*/
|
|
#define ERR_PRINT_ONCE_ED(m_msg) \
|
|
if (true) { \
|
|
static bool first_print = true; \
|
|
if (first_print) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, true); \
|
|
first_print = false; \
|
|
} \
|
|
} else \
|
|
((void)0)
|
|
|
|
// Print warning message macros.
|
|
|
|
/**
|
|
* Prints `m_msg`.
|
|
*
|
|
* If warning about deprecated usage, use `WARN_DEPRECATED` or `WARN_DEPRECATED_MSG` instead.
|
|
*/
|
|
#define WARN_PRINT(m_msg) \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, false, ERR_HANDLER_WARNING)
|
|
|
|
/**
|
|
* Same as `WARN_PRINT` but also notifies the editor.
|
|
*/
|
|
#define WARN_PRINT_ED(m_msg) \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, true, ERR_HANDLER_WARNING)
|
|
|
|
/**
|
|
* Prints `m_msg` once during the application lifetime.
|
|
*
|
|
* If warning about deprecated usage, use `WARN_DEPRECATED` or `WARN_DEPRECATED_MSG` instead.
|
|
*/
|
|
#define WARN_PRINT_ONCE(m_msg) \
|
|
if (true) { \
|
|
static bool first_print = true; \
|
|
if (first_print) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, false, ERR_HANDLER_WARNING); \
|
|
first_print = false; \
|
|
} \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Same as `WARN_PRINT_ONCE` but also notifies the editor.
|
|
*/
|
|
#define WARN_PRINT_ONCE_ED(m_msg) \
|
|
if (true) { \
|
|
static bool first_print = true; \
|
|
if (first_print) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, true, ERR_HANDLER_WARNING); \
|
|
first_print = false; \
|
|
} \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Warns about `m_msg` only when verbose mode is enabled.
|
|
*/
|
|
#define WARN_VERBOSE(m_msg) \
|
|
{ \
|
|
if (is_print_verbose_enabled()) { \
|
|
WARN_PRINT(m_msg); \
|
|
} \
|
|
}
|
|
|
|
// Print deprecated warning message macros.
|
|
|
|
/**
|
|
* Warns that the current function is deprecated.
|
|
*/
|
|
#define WARN_DEPRECATED \
|
|
if (true) { \
|
|
static std::atomic<bool> warning_shown; \
|
|
if (!warning_shown.load()) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "This method has been deprecated and will be removed in the future.", false, ERR_HANDLER_WARNING); \
|
|
warning_shown.store(true); \
|
|
} \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Warns that the current function is deprecated and prints `m_msg`.
|
|
*/
|
|
#define WARN_DEPRECATED_MSG(m_msg) \
|
|
if (true) { \
|
|
static std::atomic<bool> warning_shown; \
|
|
if (!warning_shown.load()) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "This method has been deprecated and will be removed in the future.", m_msg, false, ERR_HANDLER_WARNING); \
|
|
warning_shown.store(true); \
|
|
} \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Do not use.
|
|
* If the application should never reach this point use CRASH_NOW_MSG(m_msg) to explain why.
|
|
*
|
|
* The application crashes.
|
|
*/
|
|
#define CRASH_NOW() \
|
|
if (true) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Method/function failed."); \
|
|
_err_flush_stdout(); \
|
|
GENERATE_TRAP(); \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Only use if the application should never reach this point.
|
|
*
|
|
* Prints `m_msg`, and then the application crashes.
|
|
*/
|
|
#define CRASH_NOW_MSG(m_msg) \
|
|
if (true) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Method/function failed.", m_msg); \
|
|
_err_flush_stdout(); \
|
|
GENERATE_TRAP(); \
|
|
} else \
|
|
((void)0)
|
|
|
|
/**
|
|
* Note: IN MOST CASES YOU SHOULD NOT USE THIS MACRO.
|
|
* Do not use unless you understand the trade-offs.
|
|
*
|
|
* DEV macros will be compiled out in releases, they are wrapped in DEV_ENABLED.
|
|
*
|
|
* Prefer WARNINGS / ERR_FAIL macros (which fail without crashing) - ERR_FAIL should be used in most cases.
|
|
* Then CRASH_NOW_MSG macros (on rare occasions where error cannot be recovered).
|
|
*
|
|
* DEV_ASSERT should generally only be used when both of the following conditions are met:
|
|
* 1) Bottleneck code where a check in release would be too expensive.
|
|
* 2) Situations where the check would fail obviously and straight away during the maintenance of the code
|
|
* (i.e. strict conditions that should be true no matter what)
|
|
* and that can't fail for other contributors once the code is finished and merged.
|
|
*/
|
|
#ifdef DEV_ENABLED
|
|
#define DEV_ASSERT(m_cond) \
|
|
if (unlikely(!(m_cond))) { \
|
|
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: DEV_ASSERT failed \"" _STR(m_cond) "\" is false."); \
|
|
_err_flush_stdout(); \
|
|
GENERATE_TRAP(); \
|
|
} else \
|
|
((void)0)
|
|
#else
|
|
#define DEV_ASSERT(m_cond)
|
|
#endif
|
|
|
|
#ifdef DEV_ENABLED
|
|
#define DEV_CHECK_ONCE(m_cond) \
|
|
if (unlikely(!(m_cond))) { \
|
|
ERR_PRINT_ONCE("DEV_CHECK_ONCE failed \"" _STR(m_cond) "\" is false."); \
|
|
} else \
|
|
((void)0)
|
|
#else
|
|
#define DEV_CHECK_ONCE(m_cond)
|
|
#endif
|
|
|
|
#endif // ERROR_MACROS_H
|