diff options
author | Campbell Barton <ideasman42@gmail.com> | 2018-09-19 03:40:35 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2018-09-19 04:08:04 +0300 |
commit | 3aea5695bbdcf83c5c7769a629e0a2e4db0c85bc (patch) | |
tree | 6825ecce4a5a937f03bbd0b8dcb79faddd3be7be /source/blender/blenlib/BLI_expr_pylike_eval.h | |
parent | 345c34826296907d85b4b367a830ff4f73ab293f (diff) |
Cleanup: rename BLI_simple_expr -> BLI_expr_pylike_eval
Simple isn't a good prefix for library names since
lots of unrelated modules could be called 'simple'.
Include 'py' in module name since this is a subset of Python,
one of the main motivations for this is to be Python like/compatible.
Diffstat (limited to 'source/blender/blenlib/BLI_expr_pylike_eval.h')
-rw-r--r-- | source/blender/blenlib/BLI_expr_pylike_eval.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_expr_pylike_eval.h b/source/blender/blenlib/BLI_expr_pylike_eval.h new file mode 100644 index 00000000000..b627664cc14 --- /dev/null +++ b/source/blender/blenlib/BLI_expr_pylike_eval.h @@ -0,0 +1,63 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * 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. + * + * The Original Code is Copyright (C) 2018 Blender Foundation, Alexander Gavrilov + * All rights reserved. + * + * Contributor(s): Alexander Gavrilov + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#ifndef __BLI_EXPR_PYLIKE_EVAL_H__ +#define __BLI_EXPR_PYLIKE_EVAL_H__ + +/** \file BLI_expr_pylike_eval.h + * \ingroup bli + */ + +#ifdef __cplusplus +extern "C" { +#endif + +/** Opaque structure containing pre-parsed data for evaluation. */ +typedef struct ExprPyLike_Parsed ExprPyLike_Parsed; + +/** Expression evaluation return code. */ +typedef enum eExprPyLike_EvalStatus { + EXPR_PYLIKE_SUCCESS = 0, + /* Computation errors; result is still set, but may be NaN */ + EXPR_PYLIKE_DIV_BY_ZERO, + EXPR_PYLIKE_MATH_ERROR, + /* Expression dependent errors or bugs; result is 0 */ + EXPR_PYLIKE_INVALID, + EXPR_PYLIKE_FATAL_ERROR, +} eExprPyLike_EvalStatus; + +void BLI_expr_pylike_free(struct ExprPyLike_Parsed *expr); +bool BLI_expr_pylike_is_valid(struct ExprPyLike_Parsed *expr); +bool BLI_expr_pylike_is_constant(struct ExprPyLike_Parsed *expr); +ExprPyLike_Parsed *BLI_expr_pylike_parse( + const char *expression, int num_params, const char **param_names); +eExprPyLike_EvalStatus BLI_expr_pylike_eval( + struct ExprPyLike_Parsed *expr, double *result, int num_params, const double *params); + +#ifdef __cplusplus +} +#endif + +#endif /* __BLI_EXPR_PYLIKE_EVALUATE_H__ */ |