Remove refenreces in conversion objects

Copy whole source object into class, we have no control over its lifetime.

aconversions/src/fa2re/AbstractFAtoREConverter.h

@@ -20,7 +20,7 @@ public:
 protected:
     AbstractFAtoREConverter( const automaton::FSM & automaton );
-    const automaton::FSM & m_automaton;
+    const automaton::FSM m_automaton;
     regexp::RegExp m_re;
 };

aconversions/src/fa2rg/AbstractFAtoRGConverter.h

@@ -25,7 +25,7 @@ public:
     ~AbstractFAtoRGConverter( void );
 protected:
-    const automaton::FSM & m_fsm;
+    const automaton::FSM m_fsm;
 };
 } /* namespace conversions */

aconversions/src/re2fa/AbstractREtoFAConverter.h

@@ -21,7 +21,7 @@ public:
 protected:
     AbstractREtoFAConverter(const regexp::RegExp & re );
-    const regexp::RegExp & m_re;
+    const regexp::RegExp m_re;
     automaton::FSM m_fsm;
 };

aconversions/src/re2rg/AbstractREtoRGConverter.h

@@ -24,7 +24,7 @@ public:
 protected:
     AbstractREtoRGConverter( const regexp::RegExp & re );
-    const regexp::RegExp & m_re;
+    const regexp::RegExp m_re;
 };
 } /* namespace conversions */

aconversions/src/rg2fa/lrg2fa/AbstractLRGtoFAConverter.h

@@ -22,7 +22,7 @@ public:
 protected:
     AbstractLRGtoFAConverter( const grammar::LeftRegularGrammar & lrg );
-    const grammar::LeftRegularGrammar & m_grammar;
+    const grammar::LeftRegularGrammar m_grammar;
 };

aconversions/src/rg2fa/rrg2fa/AbstractRRGtoFAConverter.h

@@ -22,7 +22,7 @@ public:
 protected:
     AbstractRRGtoFAConverter( const grammar::RightRegularGrammar & rrg );
-    const grammar::RightRegularGrammar & m_grammar;
+    const grammar::RightRegularGrammar m_grammar;
 };
 } /* namespace conversions */

aconversions/src/rg2re/lrg2re/AbstractLRGtoREConverter.h

@@ -22,7 +22,7 @@ public:
 protected:
     AbstractLRGtoREConverter( const grammar::LeftRegularGrammar & lrg );
-    const grammar::LeftRegularGrammar & m_grammar;
+    const grammar::LeftRegularGrammar m_grammar;
 };
 } /* namespace conversions */

aconversions/src/rg2re/rrg2re/AbstractRRGtoREConverter.h

@@ -23,7 +23,7 @@ public:
 protected:
     AbstractRRGtoREConverter( const grammar::RightRegularGrammar & rrg );
-    const grammar::RightRegularGrammar & m_grammar;
+    const grammar::RightRegularGrammar m_grammar;
 };
 } /* namespace conversions */

aconversions/src/rg2rg/lrg2rrg/AbstractLRGtoRRGConverter.h

@@ -25,7 +25,7 @@ public:
 protected:
     AbstractLRGtoRRGConverter( const grammar::LeftRegularGrammar & lrg );
-    const grammar::LeftRegularGrammar & m_lrg;
+    const grammar::LeftRegularGrammar m_lrg;
     grammar::RightRegularGrammar m_rrg;
 };

aconversions/src/rg2rg/rrg2lrg/AbstractRRGtoLRGConverter.h

@@ -24,7 +24,7 @@ public:
     virtual grammar::LeftRegularGrammar convert( void ) = 0;
 protected:
-    const grammar::RightRegularGrammar & m_rrg;
+    const grammar::RightRegularGrammar m_rrg;
     grammar::LeftRegularGrammar m_lrg;
 };