Taming Boost::Spirit...

src/parser/PrismParser.h

@@ -0,0 +1,96 @@
+/*
+ * PrismParser.h
+ *
+ *  Created on: Jan 3, 2013
+ *      Author: Christian Dehnert
+ */
+
+#ifndef PRISMPARSER_H_
+#define PRISMPARSER_H_
+
+#include <boost/spirit/include/qi.hpp>
+#include <boost/spirit/include/phoenix_core.hpp>
+#include <boost/spirit/include/phoenix_operator.hpp>
+#include <boost/spirit/include/phoenix_object.hpp>
+#include <boost/fusion/include/adapt_struct.hpp>
+#include <boost/fusion/include/io.hpp>
+
+namespace storm {
+namespace parser {
+class intConstDef {
+public:
+	std::string name;
+	int value;
+
+	void print() {
+		std::cout << "(" << name << ", " << value << ")" << std::endl;
+	}
+};
+}
+}
+
+BOOST_FUSION_ADAPT_STRUCT(
+    storm::parser::intConstDef,
+    (std::string, name)
+    (int, value)
+)
+
+namespace storm {
+
+namespace parser {
+
+namespace qi = boost::spirit::qi;
+namespace ascii = boost::spirit::ascii;
+
+class PrismParser {
+
+public:
+	void test() {
+		std::string str = "const int ab = 10;";
+		std::string::const_iterator iter = str.begin();
+		std::string::const_iterator end = str.end();
+		prismGrammar<std::string::const_iterator> grammar;
+
+		intConstDef result;
+		bool r = phrase_parse(iter, end, grammar, ascii::space, result);
+
+		std::cout << r << std::endl;
+
+		if (r && iter == end) {
+			std::cout << "-------------------------\n";
+			std::cout << "Parsing succeeded\n";
+			result.print();
+			// std::cout << "result = " << result << std::endl;
+			std::cout << "-------------------------\n";
+		} else {
+			std::string rest(iter, end);
+			std::cout << "-------------------------\n";
+			std::cout << "Parsing failed\n";
+			std::cout << "stopped at: " << rest << "\"\n";
+			std::cout << "-------------------------\n";
+		}
+	}
+
+private:
+	template<typename Iterator>
+	struct prismGrammar : qi::grammar<Iterator, intConstDef(), ascii::space_type> {
+
+		prismGrammar() : prismGrammar::base_type(start) {
+			identifierName %= +(qi::char_);
+			integerConstantDefinition %= qi::lit("const") >> qi::lit("int") >> identifierName >> "=" >> qi::int_ >> ";";
+
+			start %= integerConstantDefinition;
+		}
+
+		qi::rule<Iterator, intConstDef(), ascii::space_type> start;
+		qi::rule<Iterator, intConstDef(), ascii::space_type> integerConstantDefinition;
+		qi::rule<Iterator, std::string(), ascii::space_type> identifierName;
+
+	};
+};
+
+} // namespace parser
+
+} // namespace storm
+
+#endif /* PRISMPARSER_H_ */

src/storm.cpp

@@ -35,6 +35,8 @@
 #include "log4cplus/consoleappender.h"
 #include "log4cplus/fileappender.h"
 
+#include "src/parser/PrismParser.h"
+
 #include "src/exceptions/InvalidSettingsException.h"
 
 log4cplus::Logger logger;
@@ -230,13 +232,16 @@ void testChecking() {
  * Main entry point.
  */
 int main(const int argc, const char* argv[]) {
-	initializeLogger();
-	if (!parseOptions(argc, argv)) {
-		return 0;
-	}
-	printHeader(argc, argv);
+	// initializeLogger();
+	// if (!parseOptions(argc, argv)) {
+	//	return 0;
+	//}
+	// printHeader(argc, argv);
+
+	// testChecking();
 
-	testChecking();
+	storm::parser::PrismParser parser;
+	parser.test();
 
 	cleanUp();
 	return 0;