#define ENCODINGGRAPH_H
#include "classlist.h"
#include "structs.h"
-
-uint hashEncodingEdge(EncodingEdge *edge);
-bool equalsEncodingEdge(EncodingEdge *e1, EncodingEdge *e2);
-
-typedef Hashtable<EncodingEdge *, EncodingEdge *, uintptr_t, PTRSHIFT, hashEncodingEdge, equalsEncodingEdge> HashtableEdge;
+#include "graphstructs.h"
class EncodingGraph {
- public:
- EncodingGraph(CSolver * solver);
+public:
+ EncodingGraph(CSolver *solver);
+ ~EncodingGraph();
void buildGraph();
-
+ void encode();
+
CMEMALLOC;
- private:
- CSolver * solver;
+private:
+ CSolver *solver;
HashtableEncoding encodingMap;
HashtableEdge edgeMap;
+ Vector<EncodingEdge *> edgeVector;
HashsetElement discovered;
+ HashtableNodeToSubGraph graphMap;
+ HashsetEncodingSubGraph subgraphs;
+
+ void encodeParent(Element *e);
+ void decideEdges();
+ void mergeNodes(EncodingNode *first, EncodingNode *second);
void processElement(Element *e);
void processFunction(ElementFunction *f);
void processPredicate(BooleanPredicate *b);
- EncodingNode * createNode(Element *e);
- EncodingEdge * getEdge(EncodingNode *left, EncodingNode *right, EncodingNode *dst);
+ EncodingNode *createNode(Element *e);
+ EncodingNode *getNode(Element *e);
+ EncodingEdge *getEdge(EncodingNode *left, EncodingNode *right, EncodingNode *dst);
+ EncodingEdge *createEdge(EncodingNode *left, EncodingNode *right, EncodingNode *dst);
};
class EncodingNode {
- public:
+public:
EncodingNode(Set *_s);
void addElement(Element *e);
+ uint getSize() const;
+ VarType getType() const;
+ void setEncoding(ElementEncodingType e) {encoding = e;}
+ ElementEncodingType getEncoding() {return encoding;}
+ bool couldBeBinaryIndex() {return encoding == BINARYINDEX || encoding == ELEM_UNASSIGNED;}
CMEMALLOC;
- private:
+private:
Set *s;
HashsetElement elements;
- uint numElements;
+ HashsetEncodingEdge edges;
+ ElementEncodingType encoding;
friend class EncodingGraph;
+ friend class EncodingSubGraph;
};
+enum EdgeEncodingType { EDGE_UNASSIGNED, EDGE_BREAK, EDGE_MATCH};
+typedef enum EdgeEncodingType EdgeEncodingType;
+
class EncodingEdge {
- public:
+public:
EncodingEdge(EncodingNode *_l, EncodingNode *_r);
EncodingEdge(EncodingNode *_l, EncodingNode *_r, EncodingNode *_d);
+ void setEncoding(EdgeEncodingType e) {encoding = e;}
+ uint64_t getValue() const;
+ EdgeEncodingType getEncoding() {return encoding;}
+
CMEMALLOC;
- private:
+
+private:
EncodingNode *left;
EncodingNode *right;
EncodingNode *dst;
+ EdgeEncodingType encoding;
uint numArithOps;
uint numEquals;
uint numComparisons;
friend uint hashEncodingEdge(EncodingEdge *edge);
friend bool equalsEncodingEdge(EncodingEdge *e1, EncodingEdge *e2);
+ friend class EncodingGraph;
+ friend class EncodingSubGraph;
};
+
#endif