Doxygenise qpms_error.h

Former-commit-id: 9ed5d7c4352fb6e0d9ef3922fd491010e1f8c16e
This commit is contained in:
Marek Nečada 2020-03-23 21:57:07 +02:00
parent 3ebc1af946
commit 20a13cdb2c
3 changed files with 129 additions and 40 deletions

View File

@ -66,18 +66,6 @@ void qpms_warn_at_flf(const char *filename, unsigned int linenum,
fflush(stderr);
}
void qpms_pr_debug_at_flf(const char *filename, unsigned int linenum,
const char *func,
const char *fmt, ...) {
fprintf(stderr, "%s:%u, %s: ", filename, linenum, func);
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fputc('\n', stderr);
fflush(stderr);
}
void qpms_debug_at_flf(const char *filename, unsigned int linenum,
const char *func, qpms_dbgmsg_flags type,
const char *fmt, ...) {

View File

@ -1,16 +1,24 @@
/*! \file qpms_error.h
*
* \brief QPMS miscellanous internal error handling functions and macros.
*
*/
#ifndef QPMS_ERROR_H
#define QPMS_ERROR_H
#include "optim.h"
/// Provisional error message with abort();
/// Print error message and abort();
QPMS_NORETURN void qpms_pr_error(const char *fmt, ...);
//void qpms_error(const char *fmt, ...);
/// Provisional error message with abort(), indicating source and line number.
void qpms_pr_error_at_line(const char *filename, unsigned int linenum,
const char *fmt, ...);
/// Print an error message, indicating source, function name and line number, and abort().
/**
* Usually not used directly, but rather via some of the macros
* that fill the first arguments automatically.
*
* \see QPMS_PR_ERROR
*/
QPMS_NORETURN void qpms_pr_error_at_flf(const char *filename, unsigned int linenum,
const char *func,
const char *fmt, ...);
@ -20,71 +28,149 @@ void qpms_warn_at_flf(const char *filename, unsigned int linenum,
const char *func,
const char *fmt, ...);
void qpms_pr_debug_at_flf(const char *filename, unsigned int linenum,
const char *func,
const char *fmt, ...);
//void qpms_error_at_line(const char *filename, unsigned int linenum,
// const char *fmt, ...);
/// Classification of debugging messages.
/**
* \see qpms_dbgmsg_enabled, qpms_dbgmsg_enable(), qpms_dbgmsg_disable()
*/
typedef enum {
QPMS_DBGMSG_MISC = 1,
QPMS_DBGMSG_THREADS = 2, // Multithreading-related debug messages.
QPMS_DBGMSG_INTEGRATION = 4 // Quadrature-related debug messages.
QPMS_DBGMSG_THREADS = 2, ///< Multithreading-related debug messages.
QPMS_DBGMSG_INTEGRATION = 4 ///< Quadrature-related debug messages.
} qpms_dbgmsg_flags;
/// Print a debugging message to stderr and flush the buffer. Don't call this directly, use QPMS_DEBUG().
void qpms_debug_at_flf(const char *filename, unsigned int linenum,
const char *func,
qpms_dbgmsg_flags type,
const char *fmt, ...);
/// Global variable determining which types of debug messages shall be printed with QPMS_DEBUG().
/**
* Use qpms_dbgmsg_enable() and qpms_dbgmsg_disable() to manipulate
* this variable.
*
* \see QPMS_DEBUG()
*/
extern qpms_dbgmsg_flags qpms_dbgmsg_enabled;
/// Enable debugging messages of given \a types.
/** \see qpms_dbgmsg_disable() */
qpms_dbgmsg_flags qpms_dbgmsg_disable(qpms_dbgmsg_flags types);
/// Disable debugging messages of given \a types.
/** \see qpms_dbgmsg_enable() */
qpms_dbgmsg_flags qpms_dbgmsg_enable(qpms_dbgmsg_flags types);
/// Print a warning to stderr and flush the buffer.
/**
* The arguments are the same as in standard printf().
*/
#define QPMS_WARN(msg, ...) qpms_warn_at_flf(__FILE__,__LINE__,__func__,msg, ##__VA_ARGS__)
#define QPMS_DEBUG(type, msg, ...) qpms_debug_at_flf(__FILE__,__LINE__,__func__,type,msg, ##__VA_ARGS__)
/// Print a debugging message to stderr and flush the buffer.
/**
* The arguments after \a type are the same as in standard printf().
*
* The debugging message is printed only if the corresponding \a type flag
* is set in qpms_dbgmsg_enabled.
*
* \see qpms_dbgmsg_enabled
*/
#define QPMS_DEBUG(type /**< Debugging message type flag, see qpms_dbgmsg_flags */ , msg, ...) qpms_debug_at_flf(__FILE__,__LINE__,__func__,type,msg, ##__VA_ARGS__)
/// Wrapper macro of standard malloc(), crashing on failure.
/**
* Normally corresponds to a `pointer = malloc(size)`
* statement; however, if NULL is returned, this prints an
* error message and abort()s the program.
*
* The arguments are expanded several times.
*
* Note that this macro expands to a code block, to be kept in mind when using
* together with if/else etc.
*
* Assigned memory block is to be deallocated with standard free().
*
* \see QPMS_CRASHING_CALLOC.
*/
#define QPMS_CRASHING_MALLOC(pointer, size) {\
(pointer) = malloc(size);\
if(QPMS_UNLIKELY(!(pointer) && (size)))\
qpms_pr_debug_at_flf(__FILE__,__LINE__,__func__,\
qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,\
"Allocation of %zd bytes for " #pointer " failed.",\
(size_t) (size));\
}
/// Allocate and copy.
/**
* Behaves as QPMS_CRASHING_MALLOC(dest, size), but
* additionaly copies a chunk of memory from \a src to \a dest.
*
* \see QPMS_CRASHING_MALLOC()
*/
#define QPMS_CRASHING_MALLOCPY(dest, src, size) {\
(dest) = malloc(size);\
if(QPMS_UNLIKELY(!(dest) && (size)))\
qpms_pr_debug_at_flf(__FILE__,__LINE__,__func__,\
qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,\
"Allocation of %zd bytes for " #dest " failed.",\
(size_t) (size));\
memcpy((dest), (src), (size));\
}
/// Wrapper macro of standard calloc(), crashing on failure.
/**
* Normally corresponds to a `pointer = calloc(nmemb, size)`
* statement; however, if NULL is returned, this prints an
* error message and abort()s the program.
*
* The arguments are expanded several times.
*
* Note that this macro expands to a code block, to be kept in mind when using
* together with if/else etc.
*
* Assigned memory block is to be deallocated with standard free().
*
* \see QPMS_CRASHING_MALLOC, QPMS_CRASHING_REALLOC.
*/
#define QPMS_CRASHING_CALLOC(pointer, nmemb, size) {\
(pointer) = calloc((nmemb), (size));\
if(QPMS_UNLIKELY(!(pointer) && (nmemb) && (size)))\
qpms_pr_debug_at_flf(__FILE__,__LINE__,__func__,\
qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,\
"Allocation of %zd bytes for " #pointer " failed.",\
(size_t)((nmemb)*(size)));\
}
/// Wrapper macro of standard realloc(), crashing on failure.
/**
* Normally corresponds to a `pointer = realloc(pointer, size)`
* statement; however, if NULL is returned, this prints an
* error message and abort()s the program.
*
* The arguments are expanded several times.
*
* Note that this macro expands to a code block, to be kept in mind when using
* together with if/else etc.
*
* Assigned memory block is to be deallocated with standard free().
*
* \see QPMS_CRASHING_MALLOC.
*/
#define QPMS_CRASHING_REALLOC(pointer, size) {\
(pointer) = realloc((pointer), size);\
if(QPMS_UNLIKELY(!(pointer) && (size)))\
qpms_pr_debug_at_flf(__FILE__,__LINE__,__func__,\
qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,\
"Rellocation of %zd bytes for " #pointer " failed.",\
(size_t) (size));\
}
/// Prints an "unexpected error" message and aborts the program.
/** Usually only put to presumably unreachable places in the code and similar. */
#define QPMS_WTF qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,"Unexpected error.")
/// Aborts the program with "invalid enumerator" error message.
#define QPMS_INVALID_ENUM(x) qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,"Invalid enum value (" #x " == %d)", (int) (x))
/// Prints an "untested function/feature" warning once when reached in the code.
#define QPMS_UNTESTED {\
static _Bool already_bitched = 0; \
if (QPMS_UNLIKELY(!already_bitched)) {\
@ -93,6 +179,8 @@ qpms_dbgmsg_flags qpms_dbgmsg_enable(qpms_dbgmsg_flags types);
}\
}
/// Prints a given error message and aborts the program.
/** The arguments are as in standard printf(). */
#define QPMS_PR_ERROR(msg, ...) qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,msg, ##__VA_ARGS__)
/// Raises an error if \a x is not zero.
@ -102,7 +190,7 @@ qpms_dbgmsg_flags qpms_dbgmsg_enable(qpms_dbgmsg_flags types);
qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,"Unexpected error (%d)", errorcode); \
}
// Same as previous, but with message.
/// Raises an error if \a x is not zero, with custom error message.
#define QPMS_ENSURE_SUCCESS_M(x, msg, ...) { \
int errorcode = (x); \
if(QPMS_UNLIKELY(errorcode)) \
@ -121,8 +209,15 @@ qpms_dbgmsg_flags qpms_dbgmsg_enable(qpms_dbgmsg_flags types);
qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,"Unexpected error (%d)", errorcode); \
}
/// Raises an error if \a x is not true, with custom error message.
#define QPMS_ENSURE(x, msg, ...) {if(QPMS_UNLIKELY(!(x))) qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,msg, ##__VA_ARGS__); }
/// Raises an error if \a x is false.
/**
* Currently, this is always expanded, ignoring the possible NDEBUG macro.
* In places where the evaluation could have significant performance impact,
* consider using QPMS_PARANOID_ASSERT() instead.
*/
#define QPMS_ASSERT(x) {\
if(QPMS_UNLIKELY(!(x)))\
qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,\
@ -130,6 +225,10 @@ qpms_dbgmsg_flags qpms_dbgmsg_enable(qpms_dbgmsg_flags types);
}
#ifdef QPMS_EVALUATE_PARANOID_ASSERTS
/** \brief Raises an error if \a x is false.
*
* Expanded only if QPMS_EVALUATE_PARANOID_ASSERTS macro is defined.
*/
#define QPMS_PARANOID_ASSERT(x) {\
if(QPMS_UNLIKELY(!(x)))\
qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,\
@ -139,9 +238,13 @@ qpms_dbgmsg_flags qpms_dbgmsg_enable(qpms_dbgmsg_flags types);
#define QPMS_PARANOID_ASSERT(x) {;}
#endif
/// Raises a "not implemented" error with additional custom message.
/** Serves also as a label/placeholder of not implemented parts of the code. */
#define QPMS_NOT_IMPLEMENTED(msg, ...) qpms_pr_error_at_flf(__FILE__,__LINE__,__func__, \
"Not implemented:" msg, ##__VA_ARGS__)
/// Prints an "incomplete implementation" warning once with a custom message.
/** Serves mainly as a label/placeholder of incomplete parts of the code. */
#define QPMS_INCOMPLETE_IMPLEMENTATION(msg, ...) {\
static _Bool already_bitched = 0; \
if (QPMS_UNLIKELY(!already_bitched)) {\

View File

@ -487,10 +487,9 @@ qpms_errno_t qpms_load_scuff_tmatrix(
) {
FILE *f = fopen(path, "r");
if (!f) {
if (qpms_load_scuff_tmatrix_crash_on_failure)
qpms_pr_error_at_line(__FILE__, __LINE__, __func__,
"Could not open T-matrix file %s", path);
else return errno;
if (qpms_load_scuff_tmatrix_crash_on_failure) {
QPMS_PR_ERROR("Could not open T-matrix file %s", path);
} else return errno;
}
qpms_errno_t retval =
qpms_read_scuff_tmatrix(f, bs, n, freqs, freqs_su, tmatrices_array, tmdata);
@ -502,9 +501,8 @@ qpms_errno_t qpms_load_scuff_tmatrix(
break;
}
if(fclose(f)) qpms_pr_error_at_line(__FILE__, __LINE__, __func__,
"Could not close the T-matrix file %s (well, that's weird, "
"since it's read only).", path);
if(fclose(f)) { QPMS_PR_ERROR("Could not close the T-matrix file %s "
"(well, that's weird, since it's read only).", path); }
return retval;
}