From 2b7d1a23ca6c58a5f9cc02e29b9db8b93919df95 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Pecka?= <peckato1@fit.cvut.cz>
Date: Fri, 12 Sep 2014 11:34:10 +0200
Subject: [PATCH] algo: rg2re. aconversion rewrite finished. (quality may be
questioned though)
---
aconversions/makefile | 20 ---
aconversions/src/include/macros.h | 17 --
aconversions/src/interface/Conversion.cpp | 18 --
aconversions/src/interface/Conversion.h | 26 ---
aconversions/src/interface/IConversionFSM.cpp | 18 --
aconversions/src/interface/IConversionFSM.h | 35 ----
aconversions/src/interface/IConversionLRG.cpp | 18 --
aconversions/src/interface/IConversionLRG.h | 35 ----
aconversions/src/interface/IConversionRE.cpp | 18 --
aconversions/src/interface/IConversionRE.h | 35 ----
aconversions/src/interface/IConversionRRG.cpp | 18 --
aconversions/src/interface/IConversionRRG.h | 35 ----
.../src/rg2re/lrg2re/LRGAlgebraic.cpp | 57 ------
aconversions/src/rg2re/lrg2re/LRGAlgebraic.h | 44 -----
.../src/rg2re/rrg2re/RRGAlgebraic.cpp | 57 ------
aconversions/src/rg2re/rrg2re/RRGAlgebraic.h | 44 -----
aconversions2/src/ConversionHandler.cpp | 54 ++----
.../src/conversions/rg2re/RGtoREAlgebraic.cpp | 162 ++++++++++++++++++
.../src/conversions/rg2re/RGtoREAlgebraic.h | 57 ++++++
tests.aconversion.sh | 48 +++---
20 files changed, 253 insertions(+), 563 deletions(-)
delete mode 100644 aconversions/makefile
delete mode 100644 aconversions/src/include/macros.h
delete mode 100644 aconversions/src/interface/Conversion.cpp
delete mode 100644 aconversions/src/interface/Conversion.h
delete mode 100644 aconversions/src/interface/IConversionFSM.cpp
delete mode 100644 aconversions/src/interface/IConversionFSM.h
delete mode 100644 aconversions/src/interface/IConversionLRG.cpp
delete mode 100644 aconversions/src/interface/IConversionLRG.h
delete mode 100644 aconversions/src/interface/IConversionRE.cpp
delete mode 100644 aconversions/src/interface/IConversionRE.h
delete mode 100644 aconversions/src/interface/IConversionRRG.cpp
delete mode 100644 aconversions/src/interface/IConversionRRG.h
delete mode 100644 aconversions/src/rg2re/lrg2re/LRGAlgebraic.cpp
delete mode 100644 aconversions/src/rg2re/lrg2re/LRGAlgebraic.h
delete mode 100644 aconversions/src/rg2re/rrg2re/RRGAlgebraic.cpp
delete mode 100644 aconversions/src/rg2re/rrg2re/RRGAlgebraic.h
create mode 100644 alib2algo/src/conversions/rg2re/RGtoREAlgebraic.cpp
create mode 100644 alib2algo/src/conversions/rg2re/RGtoREAlgebraic.h
diff --git a/aconversions/makefile b/aconversions/makefile
deleted file mode 100644
index fe10f92304..0000000000
--- a/aconversions/makefile
+++ /dev/null
@@ -1,20 +0,0 @@
-CC=g++
-EXECUTABLE=aconversion
-CCFLAGS= -std=c++11 -O2 -c -Wall -I../alib/src -I/usr/include/libxml2/ -I../libaregexptree/src
-LDFLAGS= -L../alib/lib -L../libaregexptree/lib -lxml2 -laregexptree -lalib -Wl,-rpath,.
-
-SOURCES=$(shell find src/ -name *cpp)
-OBJECTS=$(patsubst src/%.cpp, obj/%.o, $(SOURCES))
-
-all: $(SOURCES) bin/$(EXECUTABLE)
-
-bin/$(EXECUTABLE): $(OBJECTS)
- mkdir -p bin
- $(CC) $(OBJECTS) -o $@ $(LDFLAGS)
-
-obj/%.o: src/%.cpp
- mkdir -p $(dir $@)
- $(CC) $(CCFLAGS) $< -o $@
-
-clean:
- $(RM) -r *.o *.d bin obj
diff --git a/aconversions/src/include/macros.h b/aconversions/src/include/macros.h
deleted file mode 100644
index 735e229948..0000000000
--- a/aconversions/src/include/macros.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef MACROS_H_
-#define MACROS_H_
-
-#include <algorithm>
-#include <set>
-#include <list>
-
-namespace conversions
-{
-
-#define isInSet(x,set) ( (set).find((x)) != (set).end() )
-#define isInList(x,list) ( find((list).begin(), (list).end(), (x)) != (list).end() )
-#define isKeyInMap(key,map) ( (map).find((key)) != (map).end() )
-
-} /* namespace conversions */
-
-#endif /* MACROS_H_ */
diff --git a/aconversions/src/interface/Conversion.cpp b/aconversions/src/interface/Conversion.cpp
deleted file mode 100644
index dcd2a5b538..0000000000
--- a/aconversions/src/interface/Conversion.cpp
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Conversion.cpp
- *
- * Created on: 23. 2. 2014
- * Author: tomas
- */
-
-#include "Conversion.h"
-
-namespace conversions
-{
-
-Conversion::Conversion()
-{
-
-}
-
-} /* namespace conversions */
diff --git a/aconversions/src/interface/Conversion.h b/aconversions/src/interface/Conversion.h
deleted file mode 100644
index 3d80365961..0000000000
--- a/aconversions/src/interface/Conversion.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Conversion.h
- *
- * Created on: 23. 2. 2014
- * Author: tomas
- */
-
-#ifndef CONVERSION_H_
-#define CONVERSION_H_
-
-namespace conversions
-{
-
-/**
- * Base conversion class for all the conversions.
- * Although this class brings order into chaos, feel free to remove it.
- */
-class Conversion
-{
-public:
- Conversion( void );
-};
-
-} /* namespace conversions */
-
-#endif /* CONVERSION_H_ */
diff --git a/aconversions/src/interface/IConversionFSM.cpp b/aconversions/src/interface/IConversionFSM.cpp
deleted file mode 100644
index 261d682732..0000000000
--- a/aconversions/src/interface/IConversionFSM.cpp
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * IConversionFSM.cpp
- *
- * Created on: 19. 4. 2014
- * Author: tomas
- */
-
-#include "IConversionFSM.h"
-
-namespace conversions
-{
-
-IConversionFSM::~IConversionFSM( void )
-{
-
-}
-
-} /* namespace conversions */
diff --git a/aconversions/src/interface/IConversionFSM.h b/aconversions/src/interface/IConversionFSM.h
deleted file mode 100644
index 62ac23c404..0000000000
--- a/aconversions/src/interface/IConversionFSM.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * IConversionFSM.h
- *
- * Created on: 19. 4. 2014
- * Author: tomas
- */
-
-#ifndef __ICONVERSIONFSM_H__
-#define __ICONVERSIONFSM_H__
-
-#include "Conversion.h"
-
-#include <automaton/FSM/FSM.h>
-
-namespace conversions
-{
-
-/**
- * Interface for conversion to finite automaton.
- */
-class IConversionFSM : public Conversion
-{
-public:
- /**
- * @return fsm equivalent to input.
- */
- virtual automaton::FSM convert( void ) = 0;
-
- virtual ~IConversionFSM( void );
-
-};
-
-} /* namespace conversions */
-
-#endif /* __ICONVERSIONFSM_H__ */
diff --git a/aconversions/src/interface/IConversionLRG.cpp b/aconversions/src/interface/IConversionLRG.cpp
deleted file mode 100644
index 47f03aec88..0000000000
--- a/aconversions/src/interface/IConversionLRG.cpp
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * IConversionLRG.cpp
- *
- * Created on: 19. 4. 2014
- * Author: tomas
- */
-
-#include "IConversionLRG.h"
-
-namespace conversions
-{
-
-IConversionLRG::~IConversionLRG( void )
-{
-
-}
-
-} /* namespace conversions */
diff --git a/aconversions/src/interface/IConversionLRG.h b/aconversions/src/interface/IConversionLRG.h
deleted file mode 100644
index f3e56bbe87..0000000000
--- a/aconversions/src/interface/IConversionLRG.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * IConversionLRG.h
- *
- * Created on: 19. 4. 2014
- * Author: tomas
- */
-
-#ifndef __ICONVERSIONLRG_H__
-#define __ICONVERSIONLRG_H__
-
-#include "Conversion.h"
-
-#include <grammar/Regular/LeftRegularGrammar.h>
-
-namespace conversions
-{
-
-/**
- * Interface for conversion to left regular grammar.
- */
-class IConversionLRG : public Conversion
-{
-public:
- /**
- * @return rrg equivalent to input.
- */
- virtual grammar::LeftRegularGrammar convert( void ) = 0;
-
- virtual ~IConversionLRG( void );
-
-};
-
-} /* namespace conversions */
-
-#endif /* __ICONVERSIONLRG_H__ */
diff --git a/aconversions/src/interface/IConversionRE.cpp b/aconversions/src/interface/IConversionRE.cpp
deleted file mode 100644
index 03c3c4c1ec..0000000000
--- a/aconversions/src/interface/IConversionRE.cpp
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * IConversionRE.cpp
- *
- * Created on: 19. 4. 2014
- * Author: tomas
- */
-
-#include "IConversionRE.h"
-
-namespace conversions
-{
-
-IConversionRE::~IConversionRE( void )
-{
-
-}
-
-} /* namespace conversions */
diff --git a/aconversions/src/interface/IConversionRE.h b/aconversions/src/interface/IConversionRE.h
deleted file mode 100644
index 70658fa3f5..0000000000
--- a/aconversions/src/interface/IConversionRE.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * IConversionRE.h
- *
- * Created on: 19. 4. 2014
- * Author: tomas
- */
-
-#ifndef __ICONVERSIONRE_H__
-#define __ICONVERSIONRE_H__
-
-#include "Conversion.h"
-
-#include <regexp/RegExp.h>
-
-namespace conversions
-{
-
-/**
- * Interface for conversion to regexp.
- */
-class IConversionRE : public Conversion
-{
-public:
- /**
- * @return regexp equivalent to input.
- */
- virtual regexp::RegExp convert( void ) = 0;
-
- virtual ~IConversionRE( void );
-
-};
-
-} /* namespace conversions */
-
-#endif /* __ICONVERSIONRE_H__ */
diff --git a/aconversions/src/interface/IConversionRRG.cpp b/aconversions/src/interface/IConversionRRG.cpp
deleted file mode 100644
index b358409101..0000000000
--- a/aconversions/src/interface/IConversionRRG.cpp
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * IConversionRRG.cpp
- *
- * Created on: 19. 4. 2014
- * Author: tomas
- */
-
-#include "IConversionRRG.h"
-
-namespace conversions
-{
-
-IConversionRRG::~IConversionRRG( void )
-{
-
-}
-
-} /* namespace conversions */
diff --git a/aconversions/src/interface/IConversionRRG.h b/aconversions/src/interface/IConversionRRG.h
deleted file mode 100644
index 40a5382747..0000000000
--- a/aconversions/src/interface/IConversionRRG.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * IConversionRRG.h
- *
- * Created on: 19. 4. 2014
- * Author: tomas
- */
-
-#ifndef __ICONVERSIONRRG_H__
-#define __ICONVERSIONRRG_H__
-
-#include "Conversion.h"
-
-#include <grammar/Regular/RightRegularGrammar.h>
-
-namespace conversions
-{
-
-/**
- * Interface for conversion to right regular grammar.
- */
-class IConversionRRG : public Conversion
-{
-public:
- /**
- * @return rrg equivalent to input.
- */
- virtual grammar::RightRegularGrammar convert( void ) = 0;
-
- virtual ~IConversionRRG( void );
-
-};
-
-} /* namespace conversions */
-
-#endif /* __ICONVERSIONRRG_H__ */
diff --git a/aconversions/src/rg2re/lrg2re/LRGAlgebraic.cpp b/aconversions/src/rg2re/lrg2re/LRGAlgebraic.cpp
deleted file mode 100644
index b4fed3c3e3..0000000000
--- a/aconversions/src/rg2re/lrg2re/LRGAlgebraic.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * LRGAlgebraic.cpp
- *
- * Created on: 4. 3. 2014
- * Author: tomas
- */
-
-#include "LRGAlgebraic.h"
-
-using namespace alphabet;
-using namespace grammar;
-using namespace regexp;
-
-namespace conversions
-{
-
-LRGAlgebraic::LRGAlgebraic( const LeftRegularGrammar & lrg ) : m_grammar( lrg )
-{
-
-}
-
-LRGAlgebraic::~LRGAlgebraic( void )
-{
-
-}
-
-RegExp LRGAlgebraic::convert( void )
-{
- LeftRegularEquationSolver solver;
-
- for( const auto & symb : m_grammar.getNonTerminalSymbols( ) )
- solver.addSymbol( symb );
-
- for( const auto & rule : m_grammar.getRules( ) )
- {
- const Symbol & leftSide = rule.getLeftSide( ).front( );
- if( rule.getRightSide( ).size( ) == 0 )
- {
- solver.addEquation( leftSide, new RegExpEpsilon( ) );
- }
- else if( rule.getRightSide( ).size( ) == 1 )
- {
- const Symbol & input = rule.getRightSide( ).front( );
- solver.addEquation( leftSide, new RegExpSymbol( input.getSymbol( ) ) );
- }
- else
- {
- const Symbol nt = rule.getRightSide( ).front( );
- const Symbol input = rule.getRightSide( ).back( );
- solver.addEquation( leftSide, nt, new RegExpSymbol( input.getSymbol( ) ) );
- }
- }
-
- return solver.solve( m_grammar.getStartSymbol( ) );
-}
-
-} /* namespace conversions */
diff --git a/aconversions/src/rg2re/lrg2re/LRGAlgebraic.h b/aconversions/src/rg2re/lrg2re/LRGAlgebraic.h
deleted file mode 100644
index dcd36c4425..0000000000
--- a/aconversions/src/rg2re/lrg2re/LRGAlgebraic.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * LRGAlgebraic.h
- *
- * Created on: 4. 3. 2014
- * Author: tomas
- */
-
-#ifndef LRGALGEBRAIC_H_
-#define LRGALGEBRAIC_H_
-
-#include <grammar/Regular/LeftRegularGrammar.h>
-#include <regexp/RegExp.h>
-
-#include "../../shared/equations/LeftRegularEquationSolver.h"
-#include "../../interface/IConversionRE.h"
-
-namespace conversions
-{
-
-class LRGAlgebraic: public IConversionRE
-{
-public:
- /**
- * @param rg Source left regular grammar.
- */
- LRGAlgebraic( const grammar::LeftRegularGrammar & rg );
-
- ~LRGAlgebraic( void );
-
- /**
- * @return regexp equivalent to source left regular grammar.
- */
- regexp::RegExp convert( void );
-
-protected:
- /**
- * input grammar
- */
- const grammar::LeftRegularGrammar & m_grammar;
-};
-
-} /* namespace conversions */
-
-#endif /* LRGALGEBRAIC_H_ */
diff --git a/aconversions/src/rg2re/rrg2re/RRGAlgebraic.cpp b/aconversions/src/rg2re/rrg2re/RRGAlgebraic.cpp
deleted file mode 100644
index a1060197ca..0000000000
--- a/aconversions/src/rg2re/rrg2re/RRGAlgebraic.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * RRGAlgebraic.cpp
- *
- * Created on: 4. 3. 2014
- * Author: tomas
- */
-
-#include "RRGAlgebraic.h"
-
-using namespace alphabet;
-using namespace grammar;
-using namespace regexp;
-
-namespace conversions
-{
-
-RRGAlgebraic::RRGAlgebraic( const RightRegularGrammar & rrg ) : m_grammar( rrg )
-{
-
-}
-
-RRGAlgebraic::~RRGAlgebraic( void )
-{
-
-}
-
-RegExp RRGAlgebraic::convert( void )
-{
- RightRegularEquationSolver solver;
-
- for( const auto & symb : m_grammar.getNonTerminalSymbols( ) )
- solver.addSymbol( symb );
-
- for( const auto & rule : m_grammar.getRules( ) )
- {
- const Symbol & leftSide = rule.getLeftSide( ).front( );
- if( rule.getRightSide( ).size( ) == 0 )
- {
- solver.addEquation( leftSide, new RegExpEpsilon( ) );
- }
- else if( rule.getRightSide( ).size( ) == 1 )
- {
- const Symbol & input = rule.getRightSide( ).front( );
- solver.addEquation( leftSide, new RegExpSymbol( input.getSymbol( ) ) );
- }
- else
- {
- const Symbol input = rule.getRightSide( ).front( );
- const Symbol nt = rule.getRightSide( ).back( );
- solver.addEquation( leftSide, nt, new RegExpSymbol( input.getSymbol( ) ) );
- }
- }
-
- return solver.solve( m_grammar.getStartSymbol( ) );
-}
-
-} /* namespace conversions */
diff --git a/aconversions/src/rg2re/rrg2re/RRGAlgebraic.h b/aconversions/src/rg2re/rrg2re/RRGAlgebraic.h
deleted file mode 100644
index 3b6f663a46..0000000000
--- a/aconversions/src/rg2re/rrg2re/RRGAlgebraic.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * RRGAlgebraic.h
- *
- * Created on: 4. 3. 2014
- * Author: tomas
- */
-
-#ifndef RRGALGEBRAIC_H_
-#define RRGALGEBRAIC_H_
-
-#include <grammar/Regular/RightRegularGrammar.h>
-#include <regexp/RegExp.h>
-
-#include "../../shared/equations/RightRegularEquationSolver.h"
-#include "../../interface/IConversionRE.h"
-
-namespace conversions
-{
-
-class RRGAlgebraic: public IConversionRE
-{
-public:
- /**
- * @param rg Source right regular grammar.
- */
- RRGAlgebraic( const grammar::RightRegularGrammar & rg );
-
- ~RRGAlgebraic( void );
-
- /**
- * @return regexp equivalent to source right regular grammar.
- */
- regexp::RegExp convert( void );
-
-protected:
- /**
- * input grammar
- */
- const grammar::RightRegularGrammar & m_grammar;
-};
-
-} /* namespace conversions */
-
-#endif /* RRGALGEBRAIC_H_ */
diff --git a/aconversions2/src/ConversionHandler.cpp b/aconversions2/src/ConversionHandler.cpp
index 654200e390..09075ac943 100644
--- a/aconversions2/src/ConversionHandler.cpp
+++ b/aconversions2/src/ConversionHandler.cpp
@@ -21,8 +21,7 @@
#include "conversions/rg2fa/lrg2fa/LRGtoFAConverter.h"
#include "conversions/rg2fa/rrg2fa/RRGtoFAConverter.h"
-//#include "conversions/rg2re/rrg2re/RRGAlgebraic.h"
-//#include "conversions/rg2re/lrg2re/LRGAlgebraic.h"
+#include "conversions/rg2re/RGtoREAlgebraic.h"
#include "conversions/re2rg/re2rrg/GlushkovRRG.h"
#include "conversions/re2rg/re2rrg/BrzozowskiDerivationRRG.h"
@@ -287,16 +286,15 @@ void ConversionHandler::convertRGtoRG( void )
void ConversionHandler::convertRGtoRE( void )
{
- if( m_source == LEFT_REGULAR_GRAMMAR )
- convertLRGtoRE( );
- else if( m_source == RIGHT_REGULAR_GRAMMAR )
- convertRRGtoRE( );
- else if( m_source == LEFT_LINEAR_GRAMMAR )
- throw exception::AlibException( "ConversionHandler: Conversions from linear grammars are not yet implemented." );
- else if( m_source == RIGHT_LINEAR_GRAMMAR )
- throw exception::AlibException( "ConversionHandler: Conversions from linear grammars are not yet implemented." );
- else
- throw exception::AlibException( "ConversionHandler: Unknown target formalism." );
+ const grammar::Grammar grammar = alib::DataFactory::fromTokens<grammar::Grammar>(m_tokens);
+
+ switch( m_algorithm )
+ {
+ case BRZOZOWSKI_ALGEBRAIC:
+ default:
+ alib::DataFactory::toStdout(rg2re::RGtoREAlgebraic::convert(grammar));
+ break;
+ }
}
void ConversionHandler::convertLRGtoFSM( void )
@@ -327,38 +325,6 @@ void ConversionHandler::convertRRGtoFSM( void )
}
}
-void ConversionHandler::convertLRGtoRE( void )
-{
- const grammar::LeftRG lrg = alib::DataFactory::fromTokens<grammar::LeftRG>( m_tokens );
-
- switch( m_algorithm )
- {
- case BRZOZOWSKI_ALGEBRAIC:
- default: {
-/* lrg2re::LRGAlgebraic conv( lrg );
- regexp::UnboundedRegExp regexp = conv.convert();
- alib::DataFactory::toStdout(regexp);*/
- break;
- }
- }
-}
-
-void ConversionHandler::convertRRGtoRE( void )
-{
- const grammar::RightRG rrg = alib::DataFactory::fromTokens<grammar::RightRG>( m_tokens );
-
- switch( m_algorithm )
- {
- case BRZOZOWSKI_ALGEBRAIC:
- default: {
-/* rrg2re::RRGAlgebraic conv( rrg );
- regexp::UnboundedRegExp regexp = conv.convert();
- alib::DataFactory::toStdout(regexp);*/
- break;
- }
- }
-}
-
void ConversionHandler::convertLRGtoRRG( void )
{
const grammar::LeftRG lrg = alib::DataFactory::fromTokens<grammar::LeftRG>( m_tokens );
diff --git a/alib2algo/src/conversions/rg2re/RGtoREAlgebraic.cpp b/alib2algo/src/conversions/rg2re/RGtoREAlgebraic.cpp
new file mode 100644
index 0000000000..041d78ef61
--- /dev/null
+++ b/alib2algo/src/conversions/rg2re/RGtoREAlgebraic.cpp
@@ -0,0 +1,162 @@
+/*
+ * RGtoREAlgebraic.cpp
+ *
+ * Created on: 4. 3. 2014
+ * Author: Tomas Pecka
+ */
+
+#include "RGtoREAlgebraic.h"
+
+#include "../../equations/LeftRegularEquationSolver.h"
+#include "../../equations/RightRegularEquationSolver.h"
+
+#include <regexp/unbounded/UnboundedRegExpElements.h>
+
+namespace rg2re
+{
+
+regexp::RegExp RGtoREAlgebraic::convert(const grammar::Grammar& grammar)
+{
+ regexp::RegExp* out = NULL;
+ grammar.getData().Accept((void*) &out, RGtoREAlgebraic::RG_TO_RE_ALGEBRAIC);
+ regexp::RegExp res = std::move(*out);
+ delete out;
+ return res;
+}
+
+regexp::RegExp RGtoREAlgebraic::convert(const grammar::LeftRG& grammar)
+{
+ equations::LeftRegularEquationSolver solver;
+
+ for(const auto& symbol : grammar.getNonterminalAlphabet())
+ solver.addSymbol(symbol);
+
+ for(const auto & rule : grammar.getRules())
+ {
+ const alphabet::Symbol& lhs = rule.first;
+
+ for(const auto& ruleRHS : rule.second)
+ {
+ if(ruleRHS.is<alphabet::Symbol>())
+ {
+ const alphabet::Symbol& rhs = ruleRHS.get<alphabet::Symbol>();
+ solver.addEquation(lhs, regexp::UnboundedRegExpSymbol(rhs));
+ }
+ else
+ {
+ const std::pair<alphabet::Symbol, alphabet::Symbol>& rhs = ruleRHS.get<std::pair<alphabet::Symbol, alphabet::Symbol>>();
+ solver.addEquation(lhs, rhs.first, regexp::UnboundedRegExpSymbol(rhs.second));
+ }
+ }
+ }
+ if(grammar.getGeneratesEpsilon())
+ solver.addEquation(grammar.getInitialSymbol(), regexp::UnboundedRegExpEpsilon());
+
+ return regexp::RegExp{solver.solve(grammar.getInitialSymbol())};
+}
+regexp::RegExp RGtoREAlgebraic::convert(const grammar::RightRG& grammar)
+{
+ equations::RightRegularEquationSolver solver;
+
+ for(const auto& symbol : grammar.getNonterminalAlphabet())
+ solver.addSymbol(symbol);
+
+ for(const auto & rule : grammar.getRules())
+ {
+ const alphabet::Symbol& lhs = rule.first;
+
+ for(const auto& ruleRHS : rule.second)
+ {
+ if(ruleRHS.is<alphabet::Symbol>())
+ {
+ const alphabet::Symbol& rhs = ruleRHS.get<alphabet::Symbol>();
+ solver.addEquation(lhs, regexp::UnboundedRegExpSymbol(rhs));
+ }
+ else
+ {
+ const std::pair<alphabet::Symbol, alphabet::Symbol>& rhs = ruleRHS.get<std::pair<alphabet::Symbol, alphabet::Symbol>>();
+ solver.addEquation(lhs, rhs.second, regexp::UnboundedRegExpSymbol(rhs.first));
+ }
+ }
+ }
+ if(grammar.getGeneratesEpsilon())
+ solver.addEquation(grammar.getInitialSymbol(), regexp::UnboundedRegExpEpsilon());
+
+ return regexp::RegExp{solver.solve(grammar.getInitialSymbol())};
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::UnknownGrammar&) const
+{
+ throw exception::AlibException("Unsupported grammar type UnknownGrammar");
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::ContextPreservingUnrestrictedGrammar&) const
+{
+ throw exception::AlibException("Unsupported grammar type ContextPreservingUnrestrictedGrammar");
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::UnrestrictedGrammar&) const
+{
+ throw exception::AlibException("Unsupported grammar type UnrestrictedGrammar");
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::CSG&) const
+{
+ throw exception::AlibException("Unsupported grammar type CSG");
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::NonContractingGrammar&) const
+{
+ throw exception::AlibException("Unsupported grammar type NonContractingGrammar");
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::CNF&) const
+{
+ throw exception::AlibException("Unsupported grammar type CNF");
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::CFG&) const
+{
+ throw exception::AlibException("Unsupported grammar type CFG");
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::EpsilonFreeCFG&) const
+{
+ throw exception::AlibException("Unsupported grammar type EpsilonFreeCFG");
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::GNF&) const
+{
+ throw exception::AlibException("Unsupported grammar type GNF");
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::LG&) const
+{
+ throw exception::AlibException("Unsupported grammar type LG");
+}
+
+void RGtoREAlgebraic::Visit(void* userData, const grammar::RightRG& grammar) const
+{
+ regexp::RegExp* & out = *((regexp::RegExp**) userData);
+ out = new regexp::RegExp(this->convert(grammar));
+}
+
+void RGtoREAlgebraic::Visit(void* userData, const grammar::LeftRG& grammar) const
+{
+ regexp::RegExp* & out = *((regexp::RegExp**) userData);
+ out = new regexp::RegExp(this->convert(grammar));
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::RightLG&) const
+{
+ throw exception::AlibException("Unsupported grammar type RightLG");
+}
+
+void RGtoREAlgebraic::Visit(void*, const grammar::LeftLG&) const
+{
+ throw exception::AlibException("Unsupported grammar type LeftLG");
+}
+
+const RGtoREAlgebraic RGtoREAlgebraic::RG_TO_RE_ALGEBRAIC;
+
+} /* namespace rg2re */
diff --git a/alib2algo/src/conversions/rg2re/RGtoREAlgebraic.h b/alib2algo/src/conversions/rg2re/RGtoREAlgebraic.h
new file mode 100644
index 0000000000..142749d1b0
--- /dev/null
+++ b/alib2algo/src/conversions/rg2re/RGtoREAlgebraic.h
@@ -0,0 +1,57 @@
+/*
+ * RGtoREAlgebraic.h
+ *
+ * Created on: 4. 3. 2014
+ * Author: Tomas Pecka
+ */
+
+#ifndef RGTOREALGEBRAIC_H_
+#define RGTOREALGEBRAIC_H_
+
+#include <grammar/Grammar.h>
+#include <grammar/Regular/RightRG.h>
+#include <grammar/Regular/LeftRG.h>
+
+#include <regexp/RegExp.h>
+
+namespace rg2re
+{
+
+class RGtoREAlgebraic : public grammar::VisitableGrammarBase::const_visitor_type
+{
+public:
+ /**
+ * @return regexp equivalent to source right regular grammar.
+ * @param grammar Grammar to convert
+ */
+ static regexp::RegExp convert(const grammar::Grammar& grammar);
+
+ static regexp::RegExp convert(const grammar::RightRG& grammar);
+ static regexp::RegExp convert(const grammar::LeftRG& grammar);
+
+protected:
+ void Visit(void*, const grammar::UnknownGrammar& grammar) const;
+
+ void Visit(void*, const grammar::ContextPreservingUnrestrictedGrammar& grammar) const;
+ void Visit(void*, const grammar::UnrestrictedGrammar& grammar) const;
+
+ void Visit(void*, const grammar::CSG& grammar) const;
+ void Visit(void*, const grammar::NonContractingGrammar& grammar) const;
+
+ void Visit(void*, const grammar::CNF& grammar) const;
+ void Visit(void*, const grammar::CFG& grammar) const;
+ void Visit(void*, const grammar::EpsilonFreeCFG& grammar) const;
+ void Visit(void*, const grammar::GNF& grammar) const;
+ void Visit(void*, const grammar::LG& grammar) const;
+
+ void Visit(void*, const grammar::RightRG& grammar) const;
+ void Visit(void*, const grammar::LeftRG& grammar) const;
+ void Visit(void*, const grammar::RightLG& grammar) const;
+ void Visit(void*, const grammar::LeftLG& grammar) const;
+
+ static const RGtoREAlgebraic RG_TO_RE_ALGEBRAIC;
+};
+
+} /* namespace rg2re */
+
+#endif /* RGTOREALGEBRAIC_H_ */
diff --git a/tests.aconversion.sh b/tests.aconversion.sh
index 5aa24eda53..f215ef265f 100755
--- a/tests.aconversion.sh
+++ b/tests.aconversion.sh
@@ -159,30 +159,30 @@ function runTest {
## FA -> RG -> FA
## covers: FA -> LRG, FA -> RRG, RRG <-> LRG, RRG -> FA, LRG -> FA
-runTest "./aconversions2 -t RRG | ./aconversions2 -t LRG | ./aconversions2 -t FA"
-runTest "./aconversions2 -t LRG | ./aconversions2 -t RRG | ./aconversions2 -t FA"
-
-# FA -> RE -> FA
-# covers: FA -> RE (Brzozowski algebraic, elimination), RE -> FA (Brzozowski derivation, Thompson, Glushkov)
-runTest "./aconversions2 -t RE -a algebraic | ./aconversions2 -t FA -a brzozowski"
-runTest "./aconversions2 -t RE -a algebraic | ./aconversions2 -t FA -a thompson"
-runTest "./aconversions2 -t RE -a algebraic | ./aconversions2 -t FA -a glushkov "
-runTest "./aconversions2 -t RE -a elimination | ./aconversions2 -t FA -a brzozowski"
-runTest "./aconversions2 -t RE -a elimination | ./aconversions2 -t FA -a thompson"
-runTest "./aconversions2 -t RE -a elimination | ./aconversions2 -t FA -a glushkov"
-
-# FA -> RE -> RRG -> LRG -> FA
-# covers: FA -> RE (Brz. algebraic, elimination), RE -> RRG ( Brz. derivation, Glushkov), RRG -> LRG, LRG -> FA
-runTest "./aconversions2 -t RE -a algebraic | ./aconversions2 -t RRG -a brzozowski | ./aconversions2 -t LRG | ./aconversions2 -t FA"
-runTest "./aconversions2 -t RE -a algebraic | ./aconversions2 -t RRG -a glushkov | ./aconversions2 -t LRG | ./aconversions2 -t FA"
-runTest "./aconversions2 -t RE -a elimination | ./aconversions2 -t RRG -a brzozowski | ./aconversions2 -t LRG | ./aconversions2 -t FA"
-runTest "./aconversions2 -t RE -a elimination | ./aconversions2 -t RRG -a glushkov | ./aconversions2 -t LRG | ./aconversions2 -t FA"
+#runTest "./aconversions2 -t RRG | ./aconversions2 -t LRG | ./aconversions2 -t FA"
+#runTest "./aconversions2 -t LRG | ./aconversions2 -t RRG | ./aconversions2 -t FA"
+#
+## FA -> RE -> FA
+## covers: FA -> RE (Brzozowski algebraic, elimination), RE -> FA (Brzozowski derivation, Thompson, Glushkov)
+#runTest "./aconversions2 -t RE -a algebraic | ./aconversions2 -t FA -a brzozowski"
+#runTest "./aconversions2 -t RE -a algebraic | ./aconversions2 -t FA -a thompson"
+#runTest "./aconversions2 -t RE -a algebraic | ./aconversions2 -t FA -a glushkov "
+#runTest "./aconversions2 -t RE -a elimination | ./aconversions2 -t FA -a brzozowski"
+#runTest "./aconversions2 -t RE -a elimination | ./aconversions2 -t FA -a thompson"
+#runTest "./aconversions2 -t RE -a elimination | ./aconversions2 -t FA -a glushkov"
+#
+## FA -> RE -> RRG -> LRG -> FA
+## covers: FA -> RE (Brz. algebraic, elimination), RE -> RRG ( Brz. derivation, Glushkov), RRG -> LRG, LRG -> FA
+#runTest "./aconversions2 -t RE -a algebraic | ./aconversions2 -t RRG -a brzozowski | ./aconversions2 -t LRG | ./aconversions2 -t FA"
+#runTest "./aconversions2 -t RE -a algebraic | ./aconversions2 -t RRG -a glushkov | ./aconversions2 -t LRG | ./aconversions2 -t FA"
+#runTest "./aconversions2 -t RE -a elimination | ./aconversions2 -t RRG -a brzozowski | ./aconversions2 -t LRG | ./aconversions2 -t FA"
+#runTest "./aconversions2 -t RE -a elimination | ./aconversions2 -t RRG -a glushkov | ./aconversions2 -t LRG | ./aconversions2 -t FA"
# FA -> RRG -> RE -> FA
# covers: FA -> RRG, FA -> LRG, RRG -> RE, LRG -> RE, RE -> FA (Brz. derivation, Thompson, Glushkov)
-# runTest "./aconversions2 -t RRG | ./aconversions2 -t RE | ./aconversion2 -t FA -a brzozowski"
-# runTest "./aconversions2 -t LRG | ./aconversions2 -t RE | ./aconversion2 -t FA -a brzozowski"
-# runTest "./aconversions2 -t RRG | ./aconversions2 -t RE | ./aconversion2 -t FA -a thompson"
-# runTest "./aconversions2 -t LRG | ./aconversions2 -t RE | ./aconversion2 -t FA -a thompson"
-# runTest "./aconversions2 -t RRG | ./aconversions2 -t RE | ./aconversion2 -t FA -a glushkov"
-# runTest "./aconversions2 -t LRG | ./aconversions2 -t RE | ./aconversion2 -t FA -a glushkov"
+runTest "./aconversions2 -t RRG | ./aconversions2 -t RE | ./aconversions2 -t FA -a brzozowski"
+runTest "./aconversions2 -t LRG | ./aconversions2 -t RE | ./aconversions2 -t FA -a brzozowski"
+runTest "./aconversions2 -t RRG | ./aconversions2 -t RE | ./aconversions2 -t FA -a thompson"
+runTest "./aconversions2 -t LRG | ./aconversions2 -t RE | ./aconversions2 -t FA -a thompson"
+runTest "./aconversions2 -t RRG | ./aconversions2 -t RE | ./aconversions2 -t FA -a glushkov"
+runTest "./aconversions2 -t LRG | ./aconversions2 -t RE | ./aconversions2 -t FA -a glushkov"
--
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