X-Git-Url: http://demsky.eecs.uci.edu/git/?p=model-checker.git;a=blobdiff_plain;f=cyclegraph.h;h=7e7d180e0c1bd7a73de4653b657896f5a1df3a29;hp=bb2ab2d87b4370065ff64fa9dfcac45e86f2ce39;hb=130a35155171503883aaf18e57f8957ce63d06e8;hpb=5236e7a4403ccc6d28b3fdc746c5710d6190310a diff --git a/cyclegraph.h b/cyclegraph.h index bb2ab2d..7e7d180 100644 --- a/cyclegraph.h +++ b/cyclegraph.h @@ -9,18 +9,18 @@ #ifndef __CYCLEGRAPH_H__ #define __CYCLEGRAPH_H__ -#include "hashtable.h" -#include #include +#include + +#include "hashtable.h" #include "config.h" #include "mymemory.h" +#include "stl-model.h" class Promise; class CycleNode; class ModelAction; -typedef std::vector< const Promise *, ModelAlloc > promise_list_t; - /** @brief A graph of Model Actions for tracking cycles. */ class CycleGraph { public: @@ -45,10 +45,13 @@ class CycleGraph { #if SUPPORT_MOD_ORDER_DUMP void dumpNodes(FILE *file) const; void dumpGraphToFile(const char *filename) const; + + void dot_print_node(FILE *file, const ModelAction *act); + template + void dot_print_edge(FILE *file, const T *from, const U *to, const char *prop); #endif - bool resolvePromise(ModelAction *reader, ModelAction *writer, - promise_list_t *mustResolve); + bool resolvePromise(const Promise *promise, ModelAction *writer); SNAPSHOTALLOC private: @@ -60,29 +63,30 @@ class CycleGraph { CycleNode * getNode(const Promise *promise); CycleNode * getNode_noCreate(const ModelAction *act) const; CycleNode * getNode_noCreate(const Promise *promise) const; - bool mergeNodes(CycleNode *node1, CycleNode *node2, - promise_list_t *mustMerge); + bool mergeNodes(CycleNode *node1, CycleNode *node2); HashTable *discovered; + ModelVector * queue; + /** @brief A table for mapping ModelActions to CycleNodes */ HashTable actionToNode; - /** @brief A table for mapping reader ModelActions to Promise - * CycleNodes */ - HashTable readerToPromiseNode; + /** @brief A table for mapping Promises to CycleNodes */ + HashTable promiseToNode; #if SUPPORT_MOD_ORDER_DUMP - std::vector nodeList; + SnapVector nodeList; #endif bool checkReachable(const CycleNode *from, const CycleNode *to) const; /** @brief A flag: true if this graph contains cycles */ bool hasCycles; + /** @brief The previous value of CycleGraph::hasCycles, for rollback */ bool oldCycles; - std::vector< CycleNode *, SnapshotAlloc > rollbackvector; - std::vector< CycleNode *, SnapshotAlloc > rmwrollbackvector; + SnapVector rollbackvector; + SnapVector rmwrollbackvector; }; /** @@ -119,10 +123,10 @@ class CycleNode { const Promise *promise; /** @brief The edges leading out from this node */ - std::vector< CycleNode *, SnapshotAlloc > edges; + SnapVector edges; /** @brief The edges leading into this node */ - std::vector< CycleNode *, SnapshotAlloc > back_edges; + SnapVector back_edges; /** Pointer to a RMW node that reads from this node, or NULL, if none * exists */