make class name consistent for chart & pb decoders

git-svn-id: https://mosesdecoder.svn.sourceforge.net/svnroot/mosesdecoder/trunk@3553 1f5c12ca-751b-0410-a591-d2e778427230

moses-chart/src/ChartTranslationOption.cpp

@@ -34,10 +34,11 @@ namespace MosesChart
 TranslationOption::TranslationOption(const WordsRange &wordsRange
 								, const ChartRule &rule)
 :m_rule(rule)
-,m_wordsRange(wordsRange)
 {
 	//assert(wordsRange.GetStartPos() == rule.GetWordsConsumed().front()->GetWordsRange().GetStartPos());
 	assert(wordsRange.GetEndPos() == rule.GetLastWordConsumed().GetWordsRange().GetEndPos());
+	
+	rule.SetWordsRange(wordsRange);
 }
 
 TranslationOption::~TranslationOption()

moses-chart/src/ChartTranslationOption.h

@@ -36,7 +36,6 @@ class TranslationOption
 
 protected:
 	const Moses::ChartRule	&m_rule; /*< output phrase when using this translation option */
-	const Moses::WordsRange	&m_wordsRange;
 public:
 	TranslationOption(const Moses::WordsRange &wordsRange
 									, const Moses::ChartRule &chartRule);
@@ -53,7 +52,7 @@ public:
 	{ return m_rule.GetLastWordConsumed(); }
 		
 	const Moses::WordsRange &GetSourceWordsRange() const
-	{ return m_wordsRange; }
+	{ return m_rule.GetSourceWordsRange(); }
 
 	/** return estimate of total cost of this option */
 	inline size_t GetArity() const 	 

moses/src/ChartRule.h

@@ -47,6 +47,7 @@ protected:
 			Usually filled with NOT_KNOWN, unless the pos is a non-term, in which case its filled
 			with its index 
 		*/
+	mutable const WordsRange	*m_wordsRange;
 
 	ChartRule(const ChartRule &copy); // not implmenented
 
@@ -69,6 +70,14 @@ public:
 	{	return m_wordsConsumedTargetOrder; }
 
 	void CreateNonTermIndex();
+	
+	// used inside chart decoder. must make words range mutable. hack
+	void SetWordsRange(const WordsRange &range) const
+	{ m_wordsRange = ⦥ }
+	
+	const Moses::WordsRange &GetSourceWordsRange() const
+	{ return *m_wordsRange; }
+
 };
 
 }