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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#pragma once
/** \file
* \ingroup bmesh
*/
#include "bmesh_operator_api.h"
/*----------- bmop error system ----------*/
/**
* \note More can be added as needed.
*/
typedef enum eBMOpErrorLevel {
/**
* Use when the operation could not succeed,
* typically from input that isn't sufficient for completing the operation.
*/
BMO_ERROR_CANCEL = 0,
/**
* Use this when one or more operations could not succeed,
* when the resulting mesh can be used (since some operations succeeded or no change was made).
* This is used by default.
*/
BMO_ERROR_WARN = 1,
/**
* The mesh resulting from this operation should not be used (where possible).
* It should not be left in a corrupt state either.
*
* See #BMBackup type & function calls.
*/
BMO_ERROR_FATAL = 2,
} eBMOpErrorLevel;
/* Pushes an error onto the bmesh error stack.
* if msg is null, then the default message for the `errcode` is used. */
void BMO_error_raise(BMesh *bm, BMOperator *owner, eBMOpErrorLevel level, const char *msg)
ATTR_NONNULL(1, 2, 4);
/* Gets the topmost error from the stack.
* returns error code or 0 if no error. */
bool BMO_error_get(BMesh *bm, const char **r_msg, BMOperator **r_op, eBMOpErrorLevel *r_level);
bool BMO_error_get_at_level(BMesh *bm,
eBMOpErrorLevel level,
const char **r_msg,
BMOperator **r_op);
bool BMO_error_occurred_at_level(BMesh *bm, eBMOpErrorLevel level);
/* Same as #BMO_error_get, only pops the error off the stack as well. */
bool BMO_error_pop(BMesh *bm, const char **r_msg, BMOperator **r_op, eBMOpErrorLevel *r_level);
void BMO_error_clear(BMesh *bm);
/* This is meant for handling errors, like self-intersection test failures.
* it's dangerous to handle errors in general though, so disabled for now. */
/* Catches an error raised by the op pointed to by catchop. */
/* Not yet implemented. */
// int BMO_error_catch_op(BMesh *bm, BMOperator *catchop, char **msg);
#define BM_ELEM_INDEX_VALIDATE(_bm, _msg_a, _msg_b) \
BM_mesh_elem_index_validate(_bm, __FILE__ ":" STRINGIFY(__LINE__), __func__, _msg_a, _msg_b)
/* BMESH_ASSERT */
#ifdef WITH_ASSERT_ABORT
# define _BMESH_DUMMY_ABORT abort
#else
# define _BMESH_DUMMY_ABORT() (void)0
#endif
/* This is meant to be higher level than BLI_assert(),
* its enabled even when in Release mode. */
#define BMESH_ASSERT(a) \
(void)((!(a)) ? ((fprintf(stderr, \
"BMESH_ASSERT failed: %s, %s(), %d at \'%s\'\n", \
__FILE__, \
__func__, \
__LINE__, \
STRINGIFY(a)), \
_BMESH_DUMMY_ABORT(), \
NULL)) : \
NULL)
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