X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=cyclegraph.h;h=6b3d93e5e45ec661d3acd4db987796b9b1adaea6;hb=2d685f1dc9ae1f1ace850737196e6e40d2f9e326;hp=0a6f7382a69cf78dae9b4d2bf995864b599b3912;hpb=fc32611957cecd106751b62bc4de4aeddc9af56c;p=model-checker.git diff --git a/cyclegraph.h b/cyclegraph.h index 0a6f738..6b3d93e 100644 --- a/cyclegraph.h +++ b/cyclegraph.h @@ -1,9 +1,13 @@ -/** @file cyclegraph.h @brief Data structure to track ordering - * constraints on modification order. The idea is to see whether a - * total order exists that satisfies the ordering constriants.*/ +/** + * @file cyclegraph.h + * @brief Data structure to track ordering constraints on modification order + * + * Used to determine whether a total order exists that satisfies the ordering + * constraints. + */ -#ifndef CYCLEGRAPH_H -#define CYCLEGRAPH_H +#ifndef __CYCLEGRAPH_H__ +#define __CYCLEGRAPH_H__ #include "hashtable.h" #include @@ -21,21 +25,22 @@ class CycleGraph { CycleGraph(); ~CycleGraph(); void addEdge(const ModelAction *from, const ModelAction *to); - bool checkForCycles(); - bool checkForRMWViolation(); + bool checkForCycles() const; + bool checkForRMWViolation() const; void addRMWEdge(const ModelAction *from, const ModelAction *rmw); - bool checkPromise(const ModelAction *from, Promise *p); - bool checkReachable(const ModelAction *from, const ModelAction *to); + bool checkPromise(const ModelAction *from, Promise *p) const; + bool checkReachable(const ModelAction *from, const ModelAction *to) const; void startChanges(); void commitChanges(); void rollbackChanges(); #if SUPPORT_MOD_ORDER_DUMP - void dumpNodes(FILE *file); - void dumpGraphToFile(const char *filename); + void dumpNodes(FILE *file) const; + void dumpGraphToFile(const char *filename) const; #endif SNAPSHOTALLOC private: + void putNode(const ModelAction *act, CycleNode *node); CycleNode * getNode(const ModelAction *); HashTable *discovered; @@ -45,7 +50,7 @@ class CycleGraph { std::vector nodeList; #endif - bool checkReachable(CycleNode *from, CycleNode *to); + bool checkReachable(CycleNode *from, CycleNode *to) const; /** @brief A flag: true if this graph contains cycles */ bool hasCycles; @@ -61,7 +66,7 @@ class CycleGraph { /** @brief A node within a CycleGraph; corresponds to one ModelAction */ class CycleNode { public: - CycleNode(const ModelAction *action); + CycleNode(const ModelAction *act); bool addEdge(CycleNode *node); CycleNode * getEdge(unsigned int i) const; unsigned int getNumEdges() const; @@ -89,4 +94,4 @@ class CycleNode { CycleNode *hasRMW; }; -#endif +#endif /* __CYCLEGRAPH_H__ */