VHDL transformation

1 files changed, 93 insertions, 0 deletions

diff --git a/src/uscxml/transform/ChartToVHDL.h b/src/uscxml/transform/ChartToVHDL.h
new file mode 100644
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+++ b/src/uscxml/transform/ChartToVHDL.h
@@ -0,0 +1,93 @@
+/**
+ *  @file
+ *  @author     2015-2016 Jens Heuschkel (heuschkel@tk.tu-darmstadt.de)
+ *  @copyright  Simplified BSD
+ *
+ *  @cond
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the FreeBSD license as published by the FreeBSD
+ *  project.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the FreeBSD license along with this
+ *  program. If not, see <http://www.opensource.org/licenses/bsd-license>.
+ *  @endcond
+ */
+
+#ifndef CHARTOVHDL_H
+#define CHARTOVHDL_H
+
+#include "uscxml/interpreter/InterpreterDraft6.h"
+#include "uscxml/DOMUtils.h"
+#include "uscxml/util/Trie.h"
+#include "Transformer.h"
+
+#include <DOM/Document.hpp>
+#include <DOM/Node.hpp>
+#include <XPath/XPath.hpp>
+#include <ostream>
+
+namespace uscxml {
+
+    class USCXML_API ChartToVHDL : public InterpreterRC, public TransformerImpl {
+    public:
+
+        virtual ~ChartToVHDL();
+        static Transformer transform(const Interpreter& other);
+
+        void writeTo(std::ostream& stream);
+
+        static Arabica::XPath::NodeSet<std::string> inPostFixOrder(const std::set<std::string>& elements,
+                const Arabica::DOM::Element<std::string>& root);
+        static Arabica::XPath::NodeSet<std::string> inDocumentOrder(const std::set<std::string>& elements,
+                const Arabica::DOM::Element<std::string>& root);
+    protected:
+        ChartToVHDL(const Interpreter& other);
+
+        static void inPostFixOrder(const std::set<std::string>& elements,
+                const Arabica::DOM::Element<std::string>& root,
+                Arabica::XPath::NodeSet<std::string>& nodes);
+
+        static void inDocumentOrder(const std::set<std::string>& elements,
+                const Arabica::DOM::Element<std::string>& root,
+                Arabica::XPath::NodeSet<std::string>& nodes);
+
+        void writeIncludes(std::ostream& stream);
+        void writeTopDown(std::ostream& stream);
+
+        void writeTypes(std::ostream& stream);
+        void writeNextStateLogic(std::ostream& stream);
+        void writeOutputLogic(std::ostream& stream);
+        void writeSignals(std::ostream& stream);
+        void writeFiFo(std::ostream& stream);
+        void writeModuleInstantiation(std::ostream& stream);
+        void writeErrorHandler(std::ostream& stream);
+        void writeFSM(std::ostream& stream);
+
+
+
+        Interpreter interpreter;
+
+        std::string _initState;
+        Arabica::XPath::NodeSet<std::string> _states;
+        std::map<std::string, Arabica::DOM::Element<std::string> > _stateNames;
+        Arabica::XPath::NodeSet<std::string> _transitions;
+        std::map<std::string, Arabica::DOM::Element<std::string> > _transitionNames;
+        std::vector<std::string> _events;
+
+        bool _hasGlobalScripts;
+        bool _hasDoneData;
+
+        size_t _transCharArraySize;
+        std::string _transCharArrayInit;
+
+        size_t _stateCharArraySize;
+        std::string _stateCharArrayInit;
+    };
+
+}
+
+#endif /* end of include guard: FSMTOCPP_H_201672B0 */