virtualx-engine/core/error/error_macros.h

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/**************************************************************************/
/* error_macros.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
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#ifndef ERROR_MACROS_H
#define ERROR_MACROS_H
#include "core/object/object_id.h"
#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 {
ERR_HANDLER_ERROR,
ERR_HANDLER_WARNING,
ERR_HANDLER_SCRIPT,
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.
// Parameters: userdata, function, file, line, error, explanation, type.
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 {
ErrorHandlerFunc errfunc = nullptr;
void *userdata = nullptr;
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ErrorHandlerList *next = nullptr;
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ErrorHandlerList() {}
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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.
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);
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);
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);
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);
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);
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);
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);
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);
void _err_flush_stdout();
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void _physics_interpolation_warning(const char *p_function, const char *p_file, int p_line, ObjectID p_id, const char *p_warn_string);
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#ifdef __GNUC__
//#define FUNCTION_STR __PRETTY_FUNCTION__ - too annoying
#define FUNCTION_STR __FUNCTION__
#else
#define FUNCTION_STR __FUNCTION__
#endif
#ifdef _MSC_VER
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/**
* Don't use GENERATE_TRAP() directly, should only be used be the macros below.
*/
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#define GENERATE_TRAP() __debugbreak()
#else
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/**
* Don't use GENERATE_TRAP() directly, should only be used be the macros below.
*/
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#define GENERATE_TRAP() __builtin_trap()
#endif
/**
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* Error macros.
* WARNING: These macros work in the opposite way to assert().
*
* Unlike exceptions and asserts, these macros try to maintain consistency and stability.
* In most cases, bugs and/or invalid data are not fatal. They should never allow a perfectly
* running application to fail or crash.
* Always try to return processable data, so the engine can keep running well.
* Use the _MSG versions to print a meaningful message to help with debugging.
*
* The `((void)0)` no-op statement is used as a trick to force us to put a semicolon after
* those macros, making them look like proper statements.
* The if wrappers are used to ensure that the macro replacement does not trigger unexpected
* issues when expanded e.g. after an `if (cond) ERR_FAIL();` without braces.
*/
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// Index out of bounds error macros.
// These macros should be used instead of `ERR_FAIL_COND` for bounds checking.
// Integer index out of bounds error macros.
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/**
* Try using `ERR_FAIL_INDEX_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, the current function returns.
*/
#define ERR_FAIL_INDEX(m_index, m_size) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
return; \
} else \
((void)0)
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/**
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, prints `m_msg` and the current function returns.
*/
#define ERR_FAIL_INDEX_MSG(m_index, m_size, m_msg) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
return; \
} else \
((void)0)
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/**
* Same as `ERR_FAIL_INDEX_MSG` but also notifies the editor.
*/
#define ERR_FAIL_INDEX_EDMSG(m_index, m_size, m_msg) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
return; \
} else \
((void)0)
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/**
* Try using `ERR_FAIL_INDEX_V_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, the current function returns `m_retval`.
*/
#define ERR_FAIL_INDEX_V(m_index, m_size, m_retval) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
return m_retval; \
} else \
((void)0)
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/**
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, prints `m_msg` and the current function returns `m_retval`.
*/
#define ERR_FAIL_INDEX_V_MSG(m_index, m_size, m_retval, m_msg) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
return m_retval; \
} else \
((void)0)
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/**
* Same as `ERR_FAIL_INDEX_V_MSG` but also notifies the editor.
*/
#define ERR_FAIL_INDEX_V_EDMSG(m_index, m_size, m_retval, m_msg) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
return m_retval; \
} else \
((void)0)
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/**
* Try using `ERR_FAIL_INDEX_MSG` or `ERR_FAIL_INDEX_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 an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, the application crashes.
*/
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#define CRASH_BAD_INDEX(m_index, m_size) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), "", false, true); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
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/**
* Try using `ERR_FAIL_INDEX_MSG` or `ERR_FAIL_INDEX_V_MSG`.
* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable.
*
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, prints `m_msg` and the application crashes.
*/
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#define CRASH_BAD_INDEX_MSG(m_index, m_size, m_msg) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, false, true); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
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// Unsigned integer index out of bounds error macros.
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/**
* Try using `ERR_FAIL_UNSIGNED_INDEX_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, the current function returns.
*/
#define ERR_FAIL_UNSIGNED_INDEX(m_index, m_size) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
return; \
} else \
((void)0)
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/**
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, prints `m_msg` and the current function returns.
*/
#define ERR_FAIL_UNSIGNED_INDEX_MSG(m_index, m_size, m_msg) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
return; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_UNSIGNED_INDEX_MSG` but also notifies the editor.
*/
#define ERR_FAIL_UNSIGNED_INDEX_EDMSG(m_index, m_size, m_msg) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
return; \
} else \
((void)0)
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/**
* Try using `ERR_FAIL_UNSIGNED_INDEX_V_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, the current function returns `m_retval`.
*/
#define ERR_FAIL_UNSIGNED_INDEX_V(m_index, m_size, m_retval) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
return m_retval; \
} else \
((void)0)
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/**
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, prints `m_msg` and the current function returns `m_retval`.
*/
#define ERR_FAIL_UNSIGNED_INDEX_V_MSG(m_index, m_size, m_retval, m_msg) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
return m_retval; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_UNSIGNED_INDEX_V_EDMSG` but also notifies the editor.
*/
#define ERR_FAIL_UNSIGNED_INDEX_V_EDMSG(m_index, m_size, m_retval, m_msg) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
return m_retval; \
} else \
((void)0)
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/**
* Try using `ERR_FAIL_UNSIGNED_INDEX_MSG` or `ERR_FAIL_UNSIGNED_INDEX_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 an unsigned integer index `m_index` is less than `m_size`.
* If not, the application crashes.
*/
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#define CRASH_BAD_UNSIGNED_INDEX(m_index, m_size) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), "", false, true); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
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/**
* Try using `ERR_FAIL_UNSIGNED_INDEX_MSG` or `ERR_FAIL_UNSIGNED_INDEX_V_MSG`.
* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable.
*
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, prints `m_msg` and the application crashes.
*/
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#define CRASH_BAD_UNSIGNED_INDEX_MSG(m_index, m_size, m_msg) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, false, true); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
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// Null reference error macros.
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/**
* Try using `ERR_FAIL_NULL_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures a pointer `m_param` is not null.
* If it is null, the current function returns.
*/
#define ERR_FAIL_NULL(m_param) \
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if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null."); \
return; \
} else \
((void)0)
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/**
* Ensures a pointer `m_param` is not null.
* If it is null, prints `m_msg` and the current function returns.
*/
#define ERR_FAIL_NULL_MSG(m_param, m_msg) \
if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg); \
return; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_NULL_MSG` but also notifies the editor.
*/
#define ERR_FAIL_NULL_EDMSG(m_param, m_msg) \
if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg, true); \
return; \
} else \
((void)0)
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/**
* Try using `ERR_FAIL_NULL_V_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures a pointer `m_param` is not null.
* If it is null, the current function returns `m_retval`.
*/
#define ERR_FAIL_NULL_V(m_param, m_retval) \
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if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null."); \
return m_retval; \
} else \
((void)0)
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/**
* Ensures a pointer `m_param` is not null.
* If it is null, prints `m_msg` and the current function returns `m_retval`.
*/
#define ERR_FAIL_NULL_V_MSG(m_param, m_retval, m_msg) \
if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg); \
return m_retval; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_NULL_V_MSG` but also notifies the editor.
*/
#define ERR_FAIL_NULL_V_EDMSG(m_param, m_retval, m_msg) \
if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg, true); \
return m_retval; \
} else \
((void)0)
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/**
* Try using `ERR_FAIL_COND_MSG`.
* Only use this macro if there is no sensible error message.
* If checking for null use ERR_FAIL_NULL_MSG instead.
* If checking index bounds use ERR_FAIL_INDEX_MSG instead.
*
* Ensures `m_cond` is false.
* If `m_cond` is true, the current function returns.
*/
#define ERR_FAIL_COND(m_cond) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true."); \
return; \
} else \
((void)0)
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/**
* 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)
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/**
* 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)
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/**
* 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)
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/**
* 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)
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/**
* 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)
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/**
* 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)
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/**
* 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)
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/**
* 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)
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/**
* 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)
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// Generic error macros.
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/**
* 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.
*/
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#define ERR_FAIL() \
if (true) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed."); \
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return; \
} else \
((void)0)
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/**
* 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)
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/**
* 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)
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/**
* 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)
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/**
* 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)
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/**
* Try using `ERR_FAIL_COND_MSG`, `ERR_FAIL_COND_V_MSG`, `ERR_CONTINUE_MSG` or `ERR_BREAK_MSG`.
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* 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)
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/**
* 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)
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/**
* 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)
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// Print warning message macros.
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/**
* 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)
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/**
* 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)
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/**
* Same as `WARN_PRINT_ONCE` but also notifies the editor.
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*/
#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.
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/**
* Warns that the current function is deprecated.
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*/
#define WARN_DEPRECATED \
if (true) { \
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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); \
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warning_shown.store(true); \
} \
} else \
((void)0)
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/**
* Warns that the current function is deprecated and prints `m_msg`.
*/
#define WARN_DEPRECATED_MSG(m_msg) \
if (true) { \
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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); \
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warning_shown.store(true); \
} \
} else \
((void)0)
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/**
* Do not use.
* If the application should never reach this point use CRASH_NOW_MSG(m_msg) to explain why.
*
* The application crashes.
*/
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#define CRASH_NOW() \
if (true) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Method/function failed."); \
_err_flush_stdout(); \
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GENERATE_TRAP(); \
} else \
((void)0)
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/**
* 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
/**
* Physics Interpolation warnings.
* These are spam protection warnings.
*/
#define PHYSICS_INTERPOLATION_NODE_WARNING(m_object_id, m_string) \
_physics_interpolation_warning(FUNCTION_STR, __FILE__, __LINE__, m_object_id, m_string)
#define PHYSICS_INTERPOLATION_WARNING(m_string) \
_physics_interpolation_warning(FUNCTION_STR, __FILE__, __LINE__, UINT64_MAX, m_string)
#endif // ERROR_MACROS_H