Imported Upstream version 0.7.2upstream/0.7.2

1 files changed, 67 insertions, 0 deletions

diff --git a/value_dict.h b/value_dict.h
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+++ b/value_dict.h
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+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc.
+ *
+ * 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 St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef ARGS_H
+#define ARGS_H
+
+#include "forward.h"
+#include "vect.h"
+
+/* Value dictionary is used to store actual function arguments.  It
+ * supports both numbered and named arguments.  */
+struct value_dict
+{
+	struct vect numbered;
+	struct vect named;
+};
+
+/* Initialize DICT.  */
+void val_dict_init(struct value_dict *dict);
+
+/* Clone SOURCE into TARGET.  Return 0 on success or a negative value
+ * on failure.  */
+int val_dict_clone(struct value_dict *target, struct value_dict *source);
+
+/* Push next numbered value, VAL.  The value is copied over and the
+ * dictionary becomes its owner, and is responsible for destroying it
+ * later.  Returns 0 on success and a negative value on failure.  */
+int val_dict_push_next(struct value_dict *dict, struct value *val);
+
+/* Return count of numbered arguments.  */
+size_t val_dict_count(struct value_dict *dict);
+
+/* Push value VAL named NAME.  See notes at val_dict_push_next about
+ * value ownership.  The name is owned and freed if OWN_NAME is
+ * non-zero.  */
+int val_dict_push_named(struct value_dict *dict, struct value *val,
+			const char *name, int own_name);
+
+/* Get NUM-th numbered argument, or NULL if there's not that much
+ * arguments.  */
+struct value *val_dict_get_num(struct value_dict *dict, size_t num);
+
+/* Get argument named NAME, or NULL if there's no such argument.  */
+struct value *val_dict_get_name(struct value_dict *dict, const char *name);
+
+/* Destroy the dictionary and all the values in it.  Note that DICT
+ * itself (the pointer) is not freed.  */
+void val_dict_destroy(struct value_dict *dict);
+
+#endif /* ARGS_H */