92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bmesh
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*/
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#include "bmesh_operator_api.hh"
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/*----------- BMOP error system ----------*/
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/**
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* \note More can be added as needed.
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*/
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typedef enum eBMOpErrorLevel {
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/**
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* Use when the operation could not succeed,
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* typically from input that isn't sufficient for completing the operation.
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*/
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BMO_ERROR_CANCEL = 0,
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/**
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* Use this when one or more operations could not succeed,
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* when the resulting mesh can be used (since some operations succeeded or no change was made).
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* This is used by default.
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*/
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BMO_ERROR_WARN = 1,
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/**
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* The mesh resulting from this operation should not be used (where possible).
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* It should not be left in a corrupt state either.
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*
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* See #BMBackup type & function calls.
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*/
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BMO_ERROR_FATAL = 2,
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} eBMOpErrorLevel;
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/**
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* Pushes an error onto the bmesh error stack.
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* if msg is null, then the default message for the `errcode` is used.
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*/
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void BMO_error_raise(BMesh *bm, BMOperator *owner, eBMOpErrorLevel level, const char *msg)
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ATTR_NONNULL(1, 2, 4);
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/**
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* Gets the topmost error from the stack.
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* returns error code or 0 if no error.
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*/
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bool BMO_error_get(BMesh *bm, const char **r_msg, BMOperator **r_op, eBMOpErrorLevel *r_level);
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bool BMO_error_get_at_level(BMesh *bm,
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eBMOpErrorLevel level,
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const char **r_msg,
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BMOperator **r_op);
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bool BMO_error_occurred_at_level(BMesh *bm, eBMOpErrorLevel level);
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/* Same as #BMO_error_get, only pops the error off the stack as well. */
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bool BMO_error_pop(BMesh *bm, const char **r_msg, BMOperator **r_op, eBMOpErrorLevel *r_level);
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void BMO_error_clear(BMesh *bm);
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/* This is meant for handling errors, like self-intersection test failures.
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* it's dangerous to handle errors in general though, so disabled for now. */
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/* Catches an error raised by the op pointed to by catchop. */
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/* Not yet implemented. */
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// int BMO_error_catch_op(BMesh *bm, BMOperator *catchop, char **msg);
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#define BM_ELEM_INDEX_VALIDATE(_bm, _msg_a, _msg_b) \
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BM_mesh_elem_index_validate(_bm, __FILE__ ":" STRINGIFY(__LINE__), __func__, _msg_a, _msg_b)
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/* BMESH_ASSERT */
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#ifdef WITH_ASSERT_ABORT
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# define _BMESH_DUMMY_ABORT abort
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#else
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# define _BMESH_DUMMY_ABORT() (void)0
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#endif
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/**
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* This is meant to be higher level than BLI_assert(),
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* its enabled even when in Release mode.
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*/
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#define BMESH_ASSERT(a) \
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(void)((!(a)) ? ((fprintf(stderr, \
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"BMESH_ASSERT failed: %s, %s(), %d at \'%s\'\n", \
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__FILE__, \
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__func__, \
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__LINE__, \
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STRINGIFY(a)), \
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_BMESH_DUMMY_ABORT(), \
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NULL)) : \
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NULL)
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