#ifndef CSOLVER_H
#define CSOLVER_H
-#include "classlist.h"
+#include "classes.h"
#include "ops.h"
-#include "structs.h"
+#include "corestructs.h"
+#include "asthash.h"
+#include "solver_interface.h"
class CSolver {
- public:
+public:
CSolver();
~CSolver();
-
- SATEncoder *satEncoder;
- bool unsat;
- Tuner *tuner;
-
- /** This is a vector of constraints that must be satisfied. */
- HashSetBoolean *constraints;
-
- /** This is a vector of all boolean structs that we have allocated. */
- VectorBoolean *allBooleans;
-
- /** This is a vector of all set structs that we have allocated. */
- VectorSet *allSets;
-
- /** This is a vector of all element structs that we have allocated. */
- VectorElement *allElements;
-
- /** This is a vector of all predicate structs that we have allocated. */
- VectorPredicate *allPredicates;
-
- /** This is a vector of all table structs that we have allocated. */
- VectorTable *allTables;
-
- /** This is a vector of all order structs that we have allocated. */
- VectorOrder *allOrders;
-
- /** This is a vector of all function structs that we have allocated. */
- VectorFunction *allFunctions;
/** This function creates a set containing the elements passed in the array. */
-
Set *createSet(VarType type, uint64_t *elements, uint num);
/** This function creates a set from lowrange to highrange (inclusive). */
Set *createRangeSet(VarType type, uint64_t lowrange, uint64_t highrange);
-
+
+ Element *createRangeVar(VarType type, uint64_t lowrange, uint64_t highrange);
+
/** This function creates a mutable set. */
-
+
MutableSet *createMutableSet(VarType type);
/** This function adds a new item to a set. */
+ //Deprecating this unless we need it...
void addItem(MutableSet *set, uint64_t element);
/** This function adds a new unique item to the set and returns it.
- This function cannot be used in conjunction with manually adding
- items to the set. */
-
+ This function cannot be used in conjunction with manually adding
+ items to the set. */
+
uint64_t createUniqueItem(MutableSet *set);
+
+ /**
+ * Freeze and finalize the mutableSet ...
+ */
+ void finalizeMutableSet(MutableSet* set);
/** This function creates an element variable over a set. */
/** This function creates an element constrant. */
Element *getElementConst(VarType type, uint64_t value);
+ BooleanEdge getBooleanTrue();
+
+ BooleanEdge getBooleanFalse();
+
/** This function creates a boolean variable. */
- Boolean *getBooleanVar(VarType type);
+ BooleanEdge getBooleanVar(VarType type);
/** This function creates a function operator. */
/** This function applies a function to the Elements in its input. */
- Element *applyFunction(Function *function, Element **array, uint numArrays, Boolean *overflowstatus);
+ Element *applyFunction(Function *function, Element **array, uint numArrays, BooleanEdge overflowstatus);
/** This function applies a predicate to the Elements in its input. */
- Boolean *applyPredicateTable(Predicate *predicate, Element **inputs, uint numInputs, Boolean *undefinedStatus);
+ BooleanEdge applyPredicateTable(Predicate *predicate, Element **inputs, uint numInputs, BooleanEdge undefinedStatus);
- Boolean *applyPredicate(Predicate *predicate, Element **inputs, uint numInputs);
+ BooleanEdge applyPredicate(Predicate *predicate, Element **inputs, uint numInputs);
/** This function applies a logical operation to the Booleans in its input. */
- Boolean *applyLogicalOperation(LogicOp op, Boolean **array, uint asize);
+ BooleanEdge applyLogicalOperation(LogicOp op, BooleanEdge *array, uint asize);
+
+ /** This function applies a logical operation to the Booleans in its input. */
+
+ BooleanEdge applyLogicalOperation(LogicOp op, BooleanEdge arg1, BooleanEdge arg2);
+
+ /** This function applies a logical operation to the Booleans in its input. */
+
+ BooleanEdge applyLogicalOperation(LogicOp op, BooleanEdge arg);
/** This function adds a boolean constraint to the set of constraints
- to be satisfied */
+ to be satisfied */
- void addConstraint(Boolean *constraint);
+ void addConstraint(BooleanEdge constraint);
/** This function instantiates an order of type type over the set set. */
Order *createOrder(OrderType type, Set *set);
/** This function instantiates a boolean on two items in an order. */
- Boolean *orderConstraint(Order *order, uint64_t first, uint64_t second);
+ BooleanEdge orderConstraint(Order *order, uint64_t first, uint64_t second);
/** When everything is done, the client calls this function and then csolver starts to encode*/
- int startEncoding();
+ int solve();
/** After getting the solution from the SAT solver, client can get the value of an element via this function*/
uint64_t getElementValue(Element *element);
/** After getting the solution from the SAT solver, client can get the value of a boolean via this function*/
- bool getBooleanValue(Boolean *boolean);
+ bool getBooleanValue(BooleanEdge boolean);
- HappenedBefore getOrderConstraintValue(Order *order, uint64_t first, uint64_t second);
+ bool getOrderConstraintValue(Order *order, uint64_t first, uint64_t second);
- MEMALLOC;
-};
+ bool isTrue(BooleanEdge b);
+ bool isFalse(BooleanEdge b);
+
+ void setUnSAT() { unsat = true; }
+
+ bool isUnSAT() { return unsat; }
+
+ Vector<Order *> *getOrders() { return &allOrders;}
+ HashsetOrder * getActiveOrders() { return &activeOrders;}
+
+ Tuner *getTuner() { return tuner; }
+
+ SetIteratorBooleanEdge * getConstraints() { return constraints.iterator(); }
+
+ SATEncoder *getSATEncoder() {return satEncoder;}
+
+ void replaceBooleanWithTrue(BooleanEdge bexpr);
+ void replaceBooleanWithTrueNoRemove(BooleanEdge bexpr);
+ void replaceBooleanWithFalse(BooleanEdge bexpr);
+ void replaceBooleanWithBoolean(BooleanEdge oldb, BooleanEdge newb);
+ CSolver *clone();
+ void serialize();
+ void autoTune(uint budget);
+
+ void setTuner(Tuner *_tuner) { tuner = _tuner; }
+ long long getElapsedTime() { return elapsedTime; }
+ long long getEncodeTime();
+ long long getSolveTime();
+
+ CMEMALLOC;
+
+private:
+ void handleIFFTrue(BooleanLogic *bexpr, BooleanEdge child);
+ void handleANDTrue(BooleanLogic *bexpr, BooleanEdge child);
+
+ //These two functions are helpers if the client has a pointer to a
+ //Boolean object that we have since replaced
+ BooleanEdge rewriteLogicalOperation(LogicOp op, BooleanEdge *array, uint asize);
+ BooleanEdge doRewrite(BooleanEdge b);
+ /** This is a vector of constraints that must be satisfied. */
+ HashsetBooleanEdge constraints;
+
+ /** This is a vector of all boolean structs that we have allocated. */
+ Vector<Boolean *> allBooleans;
+
+ /** This is a vector of all set structs that we have allocated. */
+ Vector<Set *> allSets;
+ /** This is a vector of all element structs that we have allocated. */
+ Vector<Element *> allElements;
+
+ /** This is a vector of all predicate structs that we have allocated. */
+ Vector<Predicate *> allPredicates;
+
+ /** This is a vector of all table structs that we have allocated. */
+ Vector<Table *> allTables;
+
+ /** This is a vector of all order structs that we have allocated. */
+ Vector<Order *> allOrders;
+
+ HashsetOrder activeOrders;
+
+ /** This is a vector of all function structs that we have allocated. */
+ Vector<Function *> allFunctions;
+
+ BooleanEdge boolTrue;
+ BooleanEdge boolFalse;
+
+ /** These two tables are used for deduplicating entries. */
+ BooleanMatchMap boolMap;
+ ElementMatchMap elemMap;
+
+ SATEncoder *satEncoder;
+ bool unsat;
+ Tuner *tuner;
+ long long elapsedTime;
+};
#endif