1 files changed, 94 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/selection_node.hpp b/3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/selection_node.hpp
new file mode 100644
index 0000000..67e5ea0
--- /dev/null
+++ b/3rdParty/Boost/src/boost/spirit/home/support/detail/lexer/parser/tree/selection_node.hpp
@@ -0,0 +1,94 @@
+// selection_node.hpp
+// Copyright (c) 2007-2009 Ben Hanson (http://www.benhanson.net/)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+#ifndef BOOST_LEXER_SELECTION_NODE_HPP
+#define BOOST_LEXER_SELECTION_NODE_HPP
+
+#include "node.hpp"
+
+namespace boost
+{
+namespace lexer
+{
+namespace detail
+{
+class selection_node : public node
+{
+public:
+    selection_node (node *left_, node *right_) :
+        node (left_->nullable () || right_->nullable ()),
+        _left (left_),
+        _right (right_)
+    {
+        _left->append_firstpos (_firstpos);
+        _right->append_firstpos (_firstpos);
+        _left->append_lastpos (_lastpos);
+        _right->append_lastpos (_lastpos);
+    }
+
+    virtual ~selection_node ()
+    {
+    }
+
+    virtual type what_type () const
+    {
+        return SELECTION;
+    }
+
+    virtual bool traverse (const_node_stack &node_stack_,
+        bool_stack &perform_op_stack_) const
+    {
+        perform_op_stack_.push (true);
+
+        switch (_right->what_type ())
+        {
+        case SEQUENCE:
+        case SELECTION:
+        case ITERATION:
+            perform_op_stack_.push (false);
+            break;
+        default:
+            break;
+        }
+
+        node_stack_.push (_right);
+        node_stack_.push (_left);
+        return true;
+    }
+
+private:
+    // Not owner of these pointers...
+    node *_left;
+    node *_right;
+
+    virtual void copy_node (node_ptr_vector &node_ptr_vector_,
+        node_stack &new_node_stack_, bool_stack &perform_op_stack_,
+        bool &down_) const
+    {
+        if (perform_op_stack_.top ())
+        {
+            node *rhs_ = new_node_stack_.top ();
+
+            new_node_stack_.pop ();
+
+            node *lhs_ = new_node_stack_.top ();
+
+            node_ptr_vector_->push_back (static_cast<selection_node *>(0));
+            node_ptr_vector_->back () = new selection_node (lhs_, rhs_);
+            new_node_stack_.top () = node_ptr_vector_->back ();
+        }
+        else
+        {
+            down_ = true;
+        }
+
+        perform_op_stack_.pop ();
+    }
+};
+}
+}
+}
+
+#endif