112 lines
1.7 KiB
C++
112 lines
1.7 KiB
C++
#ifndef HORUS_VAR_H
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#define HORUS_VAR_H
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#include <cassert>
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#include "Util.h"
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#include "Horus.h"
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using namespace std;
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struct VarInfo
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{
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VarInfo (string l, const States& sts)
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: label(l), states(sts) { }
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string label;
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States states;
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};
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class Var
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{
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public:
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Var (const Var*);
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Var (VarId, unsigned, int = Constants::NO_EVIDENCE);
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virtual ~Var (void) { };
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VarId varId (void) const { return varId_; }
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unsigned range (void) const { return range_; }
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int getEvidence (void) const { return evidence_; }
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size_t getIndex (void) const { return index_; }
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void setIndex (size_t idx) { index_ = idx; }
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bool hasEvidence (void) const;
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operator size_t (void) const;
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bool operator== (const Var& var) const;
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bool operator!= (const Var& var) const;
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bool isValidState (int);
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void setEvidence (int);
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string label (void) const;
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States states (void) const;
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static void addVarInfo (
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VarId vid, string label, const States& states);
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static VarInfo getVarInfo (VarId vid);
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static bool varsHaveInfo (void);
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static void clearVarsInfo (void);
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private:
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VarId varId_;
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unsigned range_;
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int evidence_;
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size_t index_;
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static unordered_map<VarId, VarInfo> varsInfo_;
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};
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inline bool
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Var::hasEvidence (void) const
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{
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return evidence_ != Constants::NO_EVIDENCE;
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}
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inline
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Var::operator size_t (void) const
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{
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return index_;
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}
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inline bool
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Var::operator== (const Var& var) const
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{
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assert (!(varId_ == var.varId() && range_ != var.range()));
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return varId_ == var.varId();
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}
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inline bool
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Var::operator!= (const Var& var) const
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{
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return !(*this == var);
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}
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#endif // HORUS_VAR_H
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