X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=nodestack.h;h=fc3bf1d0911c8e43da840332ffa0b41758431fd9;hb=64cfd95313cb2f8b62cdfbe22a134889028b34e2;hp=0e952417b16c87a484712a94de4953bebc984d96;hpb=2ebb0b5a772c0bc5366c41c4980f3fd06f8081ae;p=c11tester.git diff --git a/nodestack.h b/nodestack.h index 0e952417..fc3bf1d0 100644 --- a/nodestack.h +++ b/nodestack.h @@ -13,7 +13,9 @@ class ModelAction; -typedef std::list< const ModelAction *, MyAlloc< const ModelAction * > > readfrom_set_t; +typedef std::vector< const ModelAction *, MyAlloc< const ModelAction * > > readfrom_set_t; +typedef std::vector< uint64_t, MyAlloc< uint64_t > > futurevalues_t; +typedef std::vector< uint32_t, MyAlloc< uint32_t > > promises_t; /** * @brief A single node in a NodeStack @@ -32,6 +34,7 @@ public: bool has_been_explored(thread_id_t tid); /* return true = backtrack set is empty */ bool backtrack_empty(); + void explore_child(ModelAction *act); /* return false = thread was already in backtrack */ bool set_backtrack(thread_id_t id); @@ -43,9 +46,23 @@ public: * occurred previously in the stack. */ Node * get_parent() const { return parent; } + bool add_future_value(uint64_t value); + uint64_t get_future_value(); + bool increment_future_value(); + bool future_value_empty(); + void add_read_from(const ModelAction *act); + const ModelAction * get_read_from(); + bool increment_read_from(); + bool read_from_empty(); + + void set_promise(uint32_t i); + bool get_promise(uint32_t i); + bool increment_promise(); + bool promise_empty(); void print(); + void print_may_read_from(); MEMALLOC private: @@ -61,6 +78,11 @@ private: /** The set of ModelActions that this the action at this Node may read * from. Only meaningful if this Node represents a 'read' action. */ readfrom_set_t may_read_from; + unsigned int read_from_index; + + futurevalues_t future_values; + promises_t promises; + unsigned int future_index; }; typedef std::list< Node *, MyAlloc< Node * > > node_list_t; @@ -81,7 +103,7 @@ public: Node * get_head(); Node * get_next(); void reset_execution(); - + void pop_restofstack(int numAhead); int get_total_nodes() { return total_nodes; } void print();