Worked on PROMELA transformation

1 files changed, 150 insertions, 0 deletions

diff --git a/src/uscxml/transform/promela/PromelaCodeAnalyzer.h b/src/uscxml/transform/promela/PromelaCodeAnalyzer.h
new file mode 100644
index 0000000..656b24e
--- /dev/null
+++ b/src/uscxml/transform/promela/PromelaCodeAnalyzer.h
@@ -0,0 +1,150 @@
+/**
+ *  @file
+ *  @author     2016 Stefan Radomski (stefan.radomski@cs.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 PROMELACODEANALYZER_H_E89FF519
+#define PROMELACODEANALYZER_H_E89FF519
+
+#include "uscxml/transform/Trie.h"
+#include "uscxml/plugins/datamodel/promela/PromelaParser.h"
+#include "uscxml/plugins/datamodel/promela/parser/promela.tab.hpp"
+
+#include <set>
+
+namespace uscxml {
+
+class ChartToPromela;
+
+class USCXML_API PromelaCodeAnalyzer {
+public:
+	class PromelaTypedef {
+	public:
+		PromelaTypedef() {}
+		std::string name;
+		std::string type;
+		size_t arraySize = 0;
+		size_t minValue = 0;
+		size_t maxValue = 0;
+		std::map<std::string, PromelaTypedef> types;
+		std::set<ChartToPromela*> occurrences;
+
+		bool operator==(const PromelaTypedef& other) const {
+			return name == other.name;
+		}
+
+	};
+
+	PromelaCodeAnalyzer() : _eventTrie(".") {}
+
+	void analyze(ChartToPromela* interpreter);
+
+	void addCode(const std::string& code, ChartToPromela* interpreter);
+	void addLiteral(const std::string& stateName, int forceIndex = -1);
+
+	bool usesComplexEventStruct() {
+		return _typeDefs.types.find("_event") != _typeDefs.types.end() && _typeDefs.types["_event"].types.size() > 0;
+	}
+	bool usesEventField(const std::string& fieldName) {
+		if (usesComplexEventStruct() && _typeDefs.types["_event"].types.find(fieldName) != _typeDefs.types["_event"].types.end())
+			return true;
+		return false;
+	}
+    bool usesCancel(const std::string& elementName) {
+        return _usesCancel;
+    }
+    
+	bool usesEventDataField(const std::string& fieldName) {
+		if (usesComplexEventStruct() &&
+		        _typeDefs.types["_event"].types.find("data") != _typeDefs.types["_event"].types.end() &&
+		        _typeDefs.types["_event"].types["data"].types.find(fieldName) != _typeDefs.types["_event"].types["data"].types.end())
+			return true;
+		return false;
+	}
+
+	std::string getTypeAssignment(const std::string& varTo, const std::string& varFrom, const PromelaTypedef& type, const std::string padding = "");
+	std::string getTypeReset(const std::string& var, const PromelaTypedef& type, const std::string padding = "");
+
+	bool usesInPredicate() {
+		return _usesInPredicate;
+	}
+	void usesInPredicate(bool value) {
+		_usesInPredicate = value;
+	}
+	bool usesPlatformVars() {
+		return _usesPlatformVars;
+	}
+
+    bool hasIndexLessLoops() {
+        return _hasIndexLessLoops;
+    }
+
+	std::string macroForLiteral(const std::string& literal);
+	int indexForLiteral(const std::string& literal);
+
+	std::set<std::string> getLiterals() {
+		return _literals;
+	}
+	std::set<std::string> getEventsWithPrefix(const std::string& prefix);
+
+	Trie& getTrie() {
+		return _eventTrie;
+	}
+
+	std::string adaptCode(const std::string& code, const std::string& prefix);
+
+	static std::string prefixIdentifiers(const std::string& expr, const std::string& prefix);
+	static std::list<std::pair<size_t, size_t> > getTokenPositions(const std::string& expr, int type, PromelaParserNode* ast);
+
+	PromelaTypedef& getTypes() {
+		return _typeDefs;
+	}
+
+	PromelaTypedef& getType(const std::string& typeName) {
+		return _typeDefs.types.at(typeName);
+	}
+
+	std::string sanitizeCode(const std::string& code);
+
+protected:
+    void addEvent(const std::string& eventName);
+    void addState(const std::string& stateName, size_t index);
+
+    std::string createMacroName(const std::string& literal);
+	int enumerateLiteral(const std::string& literal, int forceIndex = -1);
+
+	std::map<std::string, std::string> _strMacros;  // macronames for string literals
+	std::map<std::string, int> _strIndex;               // integer enumeration for string
+    std::set<std::string> _literals;
+
+	PromelaTypedef _typeDefs;
+	Trie _eventTrie;
+
+private:
+	std::set<std::string> _macroNameSet; // helper set for uniqueness of macros
+	int _lastStrIndex = 1;
+    bool _usesCancel = false;
+    bool _usesInPredicate = false;
+	bool _usesPlatformVars = false;
+	bool _hasIndexLessLoops = false;
+};
+
+
+
+}
+
+#endif /* end of include guard: PROMELACODEANALYZER_H_E89FF519 */