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Diffstat (limited to 'src/analysis/scan/expr.h')
-rw-r--r-- | src/analysis/scan/expr.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/analysis/scan/expr.h b/src/analysis/scan/expr.h new file mode 100644 index 0000000..98e7f7d --- /dev/null +++ b/src/analysis/scan/expr.h @@ -0,0 +1,84 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * expr.h - prototypes 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_H +#define _ANALYSIS_SCAN_EXPR_H + + +#include <glib-object.h> +#include <stdbool.h> + + +#include "context.h" + + + +#define G_TYPE_SCAN_EXPRESSION g_scan_expression_get_type() +#define G_SCAN_EXPRESSION(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_EXPRESSION, GScanExpression)) +#define G_IS_SCAN_EXPRESSION(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_EXPRESSION)) +#define G_SCAN_EXPRESSION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_EXPRESSION, GScanExpressionClass)) +#define G_IS_SCAN_EXPRESSION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_EXPRESSION)) +#define G_SCAN_EXPRESSION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_EXPRESSION, GScanExpressionClass)) + + +/* Expression d'évaluation généraliste (instance) */ +typedef struct _GScanExpression GScanExpression; + +/* Expression d'évaluation généraliste (classe) */ +typedef struct _GScanExpressionClass GScanExpressionClass; + + +/* Types naturel équivalant à l'expression */ +typedef enum _ExprValueType +{ + EVT_BOOLEAN, /* Valeur booléenne */ + EVT_INTEGER, /* Nombre entier 64 bits */ + EVT_STRING, /* Chaîne de caractères */ + EVT_REG_EXPR, /* Expression rationnelle */ + + EVT_COUNT, + + EVT_PENDING, /* Nature à déterminer */ + EVT_UNRESOLVABLE, /* Nature indéterminable */ + +} ExprValueType; + + +/* Indique le type défini pour une expression de validation. */ +GType g_scan_expression_get_type(void); + +/* Indique le type de valeur portée par une expression. */ +ExprValueType g_scan_expression_get_value_type(const GScanExpression *); + +/* Vérifie la validité d'une expression. */ +bool g_scan_expression_check_validity(const GScanExpression *); + +/* Reproduit une expression en place dans une nouvelle instance. */ +GScanExpression *g_scan_expression_duplicate(const GScanExpression *); + +/* Réduit une expression à une forme plus simple. */ +GScanExpression *g_scan_expression_reduce(GScanExpression *, GScanContext *, bool); + + + +#endif /* _ANALYSIS_SCAN_EXPR_H */ |