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+/* -*-c-*- ---------------- xmix_eval.h :
+ * Definition of opaque types in mix_eval.h
+ * ------------------------------------------------------------------
+ * Last change: Time-stamp: <01/02/20 00:25:14 jose>
+ * ------------------------------------------------------------------
+ * Copyright (C) 2000 Free Software Foundation, 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+
+#ifndef XMIX_EVAL_H
+#define XMIX_EVAL_H
+
+#include "mix_eval.h"
+
+/* the evaluator type */
+struct mix_eval_t
+{
+ mix_symbol_table_t *table; /* symbol table */
+ gboolean towner; /* true if owns the table */
+ mix_eval_result_t result; /* last evaluation result */
+ gint errpos; /* location of last error */
+ mix_word_t value; /* last computed value */
+};
+
+/* flex scanner data/result struct */
+typedef struct mix_eval_data_
+{
+ gchar *expr;
+ const mix_symbol_table_t *table;
+ mix_word_t value;
+ mix_short_t loc;
+ gint errpos;
+} mix_eval_data_;
+
+/* flex scanner prototype */
+extern
+mix_eval_result_t mix_eval_expr (mix_eval_data_ *data);
+
+#endif /* XMIX_EVAL_H */
+