1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/moses2/SCFG/Hypothesis.h b/contrib/moses2/SCFG/Hypothesis.h
new file mode 100644
index 000000000..8ece45bb6
--- /dev/null
+++ b/contrib/moses2/SCFG/Hypothesis.h
@@ -0,0 +1,71 @@
+#pragma once
+#include <vector>
+#include "InputPath.h"
+#include "../HypothesisBase.h"
+#include "../MemPool.h"
+#include "../Vector.h"
+
+namespace Moses2
+{
+class InputPathBase;
+class StatefulFeatureFunction;
+
+namespace SCFG
+{
+class TargetPhraseImpl;
+class Manager;
+class SymbolBind;
+class InputPath;
+
+class Hypothesis: public HypothesisBase
+{
+public:
+  static Hypothesis *Create(MemPool &pool, Manager &mgr);
+
+  void Init(SCFG::Manager &mgr,
+      const SCFG::InputPath &path,
+      const SCFG::SymbolBind &symbolBind,
+      const SCFG::TargetPhraseImpl &tp,
+      const Vector<size_t> &prevHyposIndices);
+
+  virtual SCORE GetFutureScore() const;
+  virtual void EvaluateWhenApplied();
+
+  const SCFG::TargetPhraseImpl &GetTargetPhrase() const
+  {  return *m_targetPhrase; }
+
+  const SCFG::InputPath &GetInputPath() const
+  {  return *m_path; }
+
+  const SCFG::SymbolBind &GetSymbolBind() const
+  { return *m_symbolBind; }
+
+  const Vector<const Hypothesis*> &GetPrevHypos() const
+  {  return m_prevHypos; }
+
+  //! get a particular previous hypos
+  const Hypothesis* GetPrevHypo(size_t ind) const
+  {  return m_prevHypos[ind]; }
+
+  void OutputToStream(std::ostream &strm) const;
+  void OutputTransOpt(std::ostream &strm) const;
+
+  std::string Debug(const System &system) const;
+
+protected:
+  const SCFG::TargetPhraseImpl *m_targetPhrase;
+  const SCFG::InputPath *m_path;
+  const SCFG::SymbolBind *m_symbolBind;
+
+  Vector<const Hypothesis*> m_prevHypos; // always sorted by source position?
+
+  Hypothesis(MemPool &pool,
+      const System &system);
+
+  void EvaluateWhenApplied(const StatefulFeatureFunction &sfff);
+
+};
+
+}
+}
+