1 files changed, 61 insertions, 0 deletions
diff --git a/include/ixion/formula_opcode.hpp b/include/ixion/formula_opcode.hpp
new file mode 100644
index 0000000..1f3d71b
--- /dev/null
+++ b/include/ixion/formula_opcode.hpp
@@ -0,0 +1,61 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_IXION_FORMULA_OPCODE_HPP
+#define INCLUDED_IXION_FORMULA_OPCODE_HPP
+
+namespace ixion {
+
+/** formula opcode type */
+enum fopcode_t
+{
+    fop_unknown = 0,
+
+    // data types
+    fop_single_ref,
+    fop_range_ref,
+    fop_table_ref,
+    fop_named_expression,
+    fop_string,
+    fop_value,
+    fop_function,
+
+    // arithmetic operators
+    fop_plus,
+    fop_minus,
+    fop_divide,
+    fop_multiply,
+    fop_exponent,
+
+    // string operators
+    fop_concat,
+
+    // relational operators
+    fop_equal,
+    fop_not_equal,
+    fop_less,
+    fop_greater,
+    fop_less_equal,
+    fop_greater_equal,
+
+    // parentheses, separators
+    fop_open,
+    fop_close,
+    fop_sep,
+    fop_array_row_sep,
+    fop_array_open,
+    fop_array_close,
+
+    // special conditions
+    fop_error, //< used to signify a special set of tokens representing formula cell with error.
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */