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Merge pull request #38760 from akien-mga/error-macros-style 

Error macros: Improve style of error messages
This commit is contained in:
Rémi Verschelde 2020-05-15 22:04:52 +02:00 committed by GitHub
parent 20ffb4b452 0ed7d3a40a
commit 5b53f22774
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 16 deletions
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21
core/error_macros.h
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@ -103,6 +103,11 @@ void _err_print_index_error(const char *p_function, const char *p_file, int p_li
* running application to fail or crash. * running application to fail or crash.
* Always try to return processable data, so the engine can keep running well. * 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. * 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.
*/ */
// Index out of bounds error macros. // Index out of bounds error macros.
@ -363,7 +368,7 @@ void _err_print_index_error(const char *p_function, const char *p_file, int p_li
*/ */
#define ERR_FAIL_COND_V(m_cond, m_retval) \ #define ERR_FAIL_COND_V(m_cond, m_retval) \
if (unlikely(m_cond)) { \ if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. returned: " _STR(m_retval)); \ _err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Returning: " _STR(m_retval)); \
return m_retval; \ return m_retval; \
} else \ } else \
((void)0) ((void)0)
@ -377,7 +382,7 @@ void _err_print_index_error(const char *p_function, const char *p_file, int p_li
*/ */
#define ERR_FAIL_COND_V_MSG(m_cond, m_retval, m_msg) \ #define ERR_FAIL_COND_V_MSG(m_cond, m_retval, m_msg) \
if (unlikely(m_cond)) { \ if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. returned: " _STR(m_retval), DEBUG_STR(m_msg)); \ _err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Returning: " _STR(m_retval), DEBUG_STR(m_msg)); \
return m_retval; \ return m_retval; \
} else \ } else \
((void)0) ((void)0)
@ -472,7 +477,7 @@ void _err_print_index_error(const char *p_function, const char *p_file, int p_li
*/ */
#define ERR_FAIL() \ #define ERR_FAIL() \
if (1) { \ if (1) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/Function Failed."); \ _err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed."); \
return; \ return; \
} else \ } else \
((void)0) ((void)0)
@ -485,7 +490,7 @@ void _err_print_index_error(const char *p_function, const char *p_file, int p_li
*/ */
#define ERR_FAIL_MSG(m_msg) \ #define ERR_FAIL_MSG(m_msg) \
if (1) { \ if (1) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/Function Failed.", DEBUG_STR(m_msg)); \ _err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed.", DEBUG_STR(m_msg)); \
return; \ return; \
} else \ } else \
((void)0) ((void)0)
@ -499,7 +504,7 @@ void _err_print_index_error(const char *p_function, const char *p_file, int p_li
*/ */
#define ERR_FAIL_V(m_retval) \ #define ERR_FAIL_V(m_retval) \
if (1) { \ if (1) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/Function Failed, returning: " _STR(m_retval)); \ _err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed. Returning: " _STR(m_retval)); \
return m_retval; \ return m_retval; \
} else \ } else \
((void)0) ((void)0)
@ -512,7 +517,7 @@ void _err_print_index_error(const char *p_function, const char *p_file, int p_li
*/ */
#define ERR_FAIL_V_MSG(m_retval, m_msg) \ #define ERR_FAIL_V_MSG(m_retval, m_msg) \
if (1) { \ if (1) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/Function Failed, returning: " _STR(m_retval), DEBUG_STR(m_msg)); \ _err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed. Returning: " _STR(m_retval), DEBUG_STR(m_msg)); \
return m_retval; \ return m_retval; \
} else \ } else \
((void)0) ((void)0)
@ -601,7 +606,7 @@ void _err_print_index_error(const char *p_function, const char *p_file, int p_li
*/ */
#define CRASH_NOW() \ #define CRASH_NOW() \
if (1) { \ if (1) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Method/Function Failed."); \ _err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Method/function failed."); \
GENERATE_TRAP(); \ GENERATE_TRAP(); \
} else \ } else \
((void)0) ((void)0)
@ -613,7 +618,7 @@ void _err_print_index_error(const char *p_function, const char *p_file, int p_li
*/ */
#define CRASH_NOW_MSG(m_msg) \ #define CRASH_NOW_MSG(m_msg) \
if (1) { \ if (1) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Method/Function Failed.", DEBUG_STR(m_msg)); \ _err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Method/function failed.", DEBUG_STR(m_msg)); \
GENERATE_TRAP(); \ GENERATE_TRAP(); \
} else \ } else \
((void)0) ((void)0)