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/*
* phc -- the open source PHP compiler
* See doc/license/README.license for licensing information
*
* */
#ifndef PHC_STAT_COLLECTOR
#define PHC_STAT_COLLECTOR
class Whole_program;
class Index_node;
class Stat_collector : public CFG_visitor
{
public:
Whole_program* wp;
Stat_collector (Whole_program*);
Stat_collector ();
void run (CFG* cfg);
// for passing between visit_assign_var and visit_expr
Index_node* lhs;
bool assign_var_is_ref;
void visit_entry_block (Entry_block* bb);
void visit_basic_block (Basic_block* bb);
void visit_statement_block (Statement_block* bb);
DECLARE_STATEMENT_CFG_VISITORS
DECLARE_EXPR_CFG_VISITORS
void get_number_of_statements (CFG* cfg, string beforeafter);
void collect_def_use_stats (CFG* cfg);
void collect_type_stats (Basic_block* bb, MIR::Rvalue* rval,string statname);
void collect_method_stats ();
void collect_alias_analysis_stats ();
void collect_deref_stats (Basic_block* bb, MIR::VARIABLE_NAME* in, string read_write, string node_type);
void register_type_stats ();
private:
MIR::VARIABLE_NAME* last_assignment_lhs;
Map<string, Set<string> > types_per_var;
Map<string, int> peak_aliases;
};
class Get_var_name : public MIR::Visitor, virtual public GC_obj
{
public:
Set<MIR::VARIABLE_NAME*> var_names;
void pre_variable_name (MIR::VARIABLE_NAME* in)
{
var_names.insert (in);
}
};
#endif // PHC_STAT_COLLECTOR
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