symbol.cpp

   1 #include <frith/symbol_tree_node.hpp>
   2
   3 namespace frith
   4 {
   5         symbol_tree_node::symbol_tree_node():
   6                 parent(0)
   7         {
   8         }
   9
  10         bool symbol_tree_node::exists(std::string const & name)
  11         {
  12                 scope_entities::iterator iterator = entities.find(name);
  13                 return iterator != entities.end();
  14         }
  15
  16         bool symbol_tree_node::find_entity(std::string const & name, symbol_tree_node * & entity_scope_output, symbol_tree_entity * & entity_output)
  17         {
  18                 scope_entities::iterator iterator = entities.find(name);
  19                 if(iterator == entities.end())
  20                 {
  21                         if(parent == 0)
  22                                 return false;
  23                         return parent->find_entity(name, entitiy_scope_output, entity_output);
  24                 }
  25
  26                 entity_scope_output = this;
  27                 entity_output = &iterator->second;
  28                 return true;
  29         }
  30 }