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new file mode 100644
index 0000000000000000000000000000000000000000..c0b3d1801bed674eef2e340c67d441155a5c8576
--- /dev/null
+++ b/aconvert.grammar/.cproject
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diff --git a/aconvert.grammar/.project b/aconvert.grammar/.project
new file mode 100644
index 0000000000000000000000000000000000000000..3276fdeabb2681111451abb723f8a186d46b7f51
--- /dev/null
+++ b/aconvert.grammar/.project
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>aconvert.grammar</name>
+ <comment></comment>
+ <projects>
+ </projects>
+ <buildSpec>
+ <buildCommand>
+ <name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+ <triggers>clean,full,incremental,</triggers>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+ <triggers>full,incremental,</triggers>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ </buildSpec>
+ <natures>
+ <nature>org.eclipse.cdt.core.cnature</nature>
+ <nature>org.eclipse.cdt.core.ccnature</nature>
+ <nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+ <nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+ </natures>
+</projectDescription>
diff --git a/aconvert.grammar/makefile b/aconvert.grammar/makefile
new file mode 100644
index 0000000000000000000000000000000000000000..80d67da8a03815c12a7af84179978087cd75977f
--- /dev/null
+++ b/aconvert.grammar/makefile
@@ -0,0 +1,20 @@
+CC=g++
+EXECUTIBLE=aconvert.grammar
+CCFLAGS= -std=c++11 -O2 -c -Wall -I../alib/src -I/usr/include/libxml2
+LDFLAGS= -L../alib/lib -lxml2 -lalib -Wl,-rpath,.
+
+SOURCES=$(shell find src/ -name *cpp)
+OBJECTS=$(patsubst src/%.cpp, obj/%.o, $(SOURCES))
+
+all: $(SOURCES) bin/$(EXECUTIBLE)
+
+bin/$(EXECUTIBLE): $(OBJECTS)
+ mkdir -p bin
+ $(CC) $(LDFLAGS) $(OBJECTS) -o $@
+
+obj/%.o: src/%.cpp
+ mkdir -p $(dir $@)
+ $(CC) $(CCFLAGS) $< -o $@
+
+clean:
+ $(RM) -r *.o *.d bin obj
diff --git a/aconvert.grammar/src/GrammarPrinter.cpp b/aconvert.grammar/src/GrammarPrinter.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..3bfc672e3f3ff74d704b10641ef15b03066a1ceb
--- /dev/null
+++ b/aconvert.grammar/src/GrammarPrinter.cpp
@@ -0,0 +1,47 @@
+#include "GrammarPrinter.h"
+
+using namespace std;
+using namespace grammar;
+
+GrammarPrinter::GrammarPrinter( std::ostream& out ) : m_Out( out )
+{
+
+}
+
+void GrammarPrinter::print( const grammar::Grammar & grammar )
+{
+ // group by left side
+ map< list<Symbol>, set<Rule> > group;
+ for( const auto & r : grammar.getRules( ) )
+ {
+ if( group.find( r.getLeftSide( ) ) != group.end( ) )
+ group[ r.getLeftSide( ) ].insert( r );
+ else
+ group.insert( std::pair< list<Symbol>, set<Rule> >( r.getLeftSide( ), set<Rule>( ) = { r } ) );
+ }
+
+ m_Out << "G = (N,T,P,S)" << endl;
+
+ auto last = grammar.getNonTerminalSymbols( ).end( );
+ last --;
+ m_Out << "N = {";
+ for( auto it = grammar.getNonTerminalSymbols( ).begin( ) ; it != grammar.getNonTerminalSymbols( ).end( ) ; it++ )
+ m_Out << it->getSymbol( ) << ( it != last ? ", " : "" );
+ m_Out << "}" << endl;
+
+ last = grammar.getTerminalSymbols( ).end( );
+ last --;
+ m_Out << "T = {";
+ for( auto it = grammar.getTerminalSymbols( ).begin( ) ; it != grammar.getTerminalSymbols( ).end( ) ; it++ )
+ m_Out << it->getSymbol( ) << ( it != last ? ", " : "" );
+ m_Out << "}" << endl;
+
+ m_Out << "P = {" << endl;
+ for( const auto & g : group )
+ for( const auto & r : g.second )
+ m_Out << "\t" << r.toString( ) << endl;
+ m_Out << "}" << endl;
+
+ m_Out << "S = " << grammar.getStartSymbol( ).getSymbol( ) << endl;
+}
+
diff --git a/aconvert.grammar/src/GrammarPrinter.h b/aconvert.grammar/src/GrammarPrinter.h
new file mode 100644
index 0000000000000000000000000000000000000000..725456c98ed036a7fecf2ad511665a7782434abd
--- /dev/null
+++ b/aconvert.grammar/src/GrammarPrinter.h
@@ -0,0 +1,21 @@
+#ifndef GRAMMAR_PRINTER_H_
+#define GRAMMAR_PRINTER_H_
+
+#include <iostream>
+#include "grammar/Grammar.h"
+#include "grammar/Rule.h"
+
+#include <map>
+#include <list>
+#include <set>
+
+class GrammarPrinter
+{
+ std::ostream& m_Out;
+
+public:
+ GrammarPrinter( std::ostream& out );
+ void print( const grammar::Grammar & grammar );
+};
+
+#endif /* GRAMMAR_PRINTER_H_ */
diff --git a/aconvert.grammar/src/aconvert.grammar.cpp b/aconvert.grammar/src/aconvert.grammar.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..633f3d8591cce1c344db1df73717e7233ba5aa0d
--- /dev/null
+++ b/aconvert.grammar/src/aconvert.grammar.cpp
@@ -0,0 +1,34 @@
+#include <iostream>
+#include <cstdlib>
+
+#include <GrammarFactory.h>
+#include <AlibException.h>
+#include <sax/SaxInterface.h>
+
+#include "GrammarPrinter.h"
+
+
+#define VERSION "0.0.1"
+#define USAGE "aconvert.grammar [inputfile]"
+
+using namespace grammar;
+using namespace sax;
+using namespace alib;
+
+int main(int argc, char** argv)
+{
+ try
+ {
+ string input( istreambuf_iterator<char>( cin ), ( istreambuf_iterator<char>( ) ) );
+
+ UnknownGrammar g = GrammarFactory::fromString( input );
+
+ GrammarPrinter printer( cout );
+ printer.print( g );
+ }
+ catch( AlibException & e )
+ {
+ cout << e.what( ) << endl;
+ return 0;
+ }
+}