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diff --git a/src/analysis/scan/exprs/literal.h b/src/analysis/scan/exprs/literal.h
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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * literal.h - prototypes pour la représentation d'une valeur concrète
+ *
+ * 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_EXPRS_LITERAL_H
+#define _ANALYSIS_SCAN_EXPRS_LITERAL_H
+
+
+#include <regex.h>
+
+
+#include "../expr.h"
+
+
+
+#define G_TYPE_LITERAL_EXPRESSION            g_literal_expression_get_type()
+#define G_LITERAL_EXPRESSION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_LITERAL_EXPRESSION, GLiteralExpression))
+#define G_IS_LITERAL_EXPRESSION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_LITERAL_EXPRESSION))
+#define G_LITERAL_EXPRESSION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_LITERAL_EXPRESSION, GLiteralExpressionClass))
+#define G_IS_LITERAL_EXPRESSION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_LITERAL_EXPRESSION))
+#define G_LITERAL_EXPRESSION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_LITERAL_EXPRESSION, GLiteralExpressionClass))
+
+
+/* Expression portant une valeur concrète (instance) */
+typedef struct _GLiteralExpression GLiteralExpression;
+
+/* Expression portant une valeur concrète (classe) */
+typedef struct _GLiteralExpressionClass GLiteralExpressionClass;
+
+
+/* Indique le type défini pour un appel de fonction enregistrée. */
+GType g_literal_expression_get_type(void);
+
+/* Organise un appel de fonction avec ses arguments. */
+GScanExpression *g_literal_expression_new(ExprValueType, ...);
+
+/* Indique la valeur portée par une expression booléenne. */
+bool g_literal_expression_get_boolean_value(const GLiteralExpression *, bool *);
+
+/* Indique la valeur portée par une expression d'entier. */
+bool g_literal_expression_get_integer_value(const GLiteralExpression *, unsigned long long *);
+
+/* Indique la valeur portée par une expression de chaîne. */
+bool g_literal_expression_get_string_value(const GLiteralExpression *, const char **);
+
+/* Indique la valeur portée par une expression rationnelle. */
+bool g_literal_expression_get_regex_value(const GLiteralExpression *, const regex_t **);
+
+
+
+#endif  /* _ANALYSIS_SCAN_EXPRS_LITERAL_H */