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Diffstat (limited to 'src/analysis/scan/expr-int.h')
-rw-r--r-- | src/analysis/scan/expr-int.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/analysis/scan/expr-int.h b/src/analysis/scan/expr-int.h new file mode 100644 index 0000000..618ecf7 --- /dev/null +++ b/src/analysis/scan/expr-int.h @@ -0,0 +1,88 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * expr-int.h - prototypes internes pour la définition d'une expression servant aux conditions de correspondance + * + * Copyright (C) 2022 Cyrille Bagard + * + * This file is part of Chrysalide. + * + * Chrysalide 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 3 of the License, or + * (at your option) any later version. + * + * Chrysalide 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 Foobar. If not, see <http://www.gnu.org/licenses/>. + */ + + +#ifndef _ANALYSIS_SCAN_EXPR_INT_H +#define _ANALYSIS_SCAN_EXPR_INT_H + + +#include "expr.h" + + +#include <stdbool.h> + + +#include "../../glibext/comparison-int.h" + + + +/* Réalise une comparaison entre objets selon un critère précis. */ +typedef bool (* compare_expr_rich_fc) (const GScanExpression *, const GScanExpression *, RichCmpOperation, bool *); + +/* Réduit une expression à une forme plus simple. */ +typedef ScanReductionState (* reduce_expr_fc) (GScanExpression *, GScanContext *, GScanScope *, GScanExpression **); + +/* Réduit une expression à une forme booléenne. */ +typedef bool (* reduce_expr_to_bool_fc) (GScanExpression *, GScanContext *, GScanScope *, GScanExpression **); + +/* Dénombre les éléments portés par une expression. */ +typedef bool (* count_scan_expr_fc) (const GScanExpression *, GScanContext *, size_t *); + +/* Fournit un élément donné issu d'un ensemble constitué. */ +typedef bool (* get_scan_expr_fc) (const GScanExpression *, size_t, GScanContext *, GScanExpression **); + +/* Réalise l'intersection entre deux ensembles. */ +typedef GScanExpression * (* intersect_scan_expr_fc) (GScanExpression *, const GScanExpression *, GScanContext *, GScanScope *); + + +/* Expression d'évaluation généraliste (instance) */ +struct _GScanExpression +{ + GObject parent; /* A laisser en premier */ + + ScanReductionState state; /* Etat synthétisé de l'élément*/ + +}; + +/* Expression d'évaluation généraliste (classe) */ +struct _GScanExpressionClass +{ + GObjectClass parent; /* A laisser en premier */ + + compare_expr_rich_fc cmp_rich; /* Comparaison de façon précise*/ + + reduce_expr_fc reduce; /* Simplification d'expression */ + reduce_expr_to_bool_fc reduce_to_bool; /* Conversion en booléen */ + + count_scan_expr_fc count; /* Décompte d'éléments */ + get_scan_expr_fc get; /* Extraction d'un élément */ + intersect_scan_expr_fc intersect; /* Intersection entre ensembles*/ + +}; + + +/* Met en place une expression d'évaluation pour analyse. */ +bool g_scan_expression_create(GScanExpression *, ScanReductionState); + + + +#endif /* _ANALYSIS_SCAN_EXPR_INT_H */ |