hlp_context.h

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//_/_/ AERA
//_/_/ Autocatalytic Endogenous Reflective Architecture
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//_/_/ Copyright (c) 2018-2025 Jeff Thompson
//_/_/ Copyright (c) 2018-2025 Kristinn R. Thorisson
//_/_/ Copyright (c) 2018-2025 Icelandic Institute for Intelligent Machines
//_/_/ http://www.iiim.is
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//_/_/ Copyright (c) 2010-2012 Eric Nivel
//_/_/ Center for Analysis and Design of Intelligent Agents
//_/_/ Reykjavik University, Menntavegur 1, 102 Reykjavik, Iceland
//_/_/ http://cadia.ru.is
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//_/_/ Part of this software was developed by Eric Nivel
//_/_/ in the HUMANOBS EU research project, which included
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//_/_/ Autonomous Systems Laboratory
//_/_/ Technical University of Madrid, Spain
//_/_/ http://www.aslab.org/
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//_/_/ Communicative Machines
//_/_/ Edinburgh, United Kingdom
//_/_/ http://www.cmlabs.com/
//_/_/
//_/_/ Istituto Dalle Molle di Studi sull'Intelligenza Artificiale
//_/_/ University of Lugano and SUPSI, Switzerland
//_/_/ http://www.idsia.ch/
//_/_/
//_/_/ Institute of Cognitive Sciences and Technologies
//_/_/ Consiglio Nazionale delle Ricerche, Italy
//_/_/ http://www.istc.cnr.it/
//_/_/
//_/_/ Dipartimento di Ingegneria Informatica
//_/_/ University of Palermo, Italy
//_/_/ http://diid.unipa.it/roboticslab/
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#ifndef hlp_context_h
#define hlp_context_h
 
#include "../r_code/object.h"
 
#include "_context.h"
#include "hlp_overlay.h"
 
 
namespace r_exec {
 
class dll_export HLPContext :
  public _Context {
public:
  HLPContext();
  HLPContext(Atom *code, uint16 index, HLPOverlay *const overlay, Data data = STEM);
 
  HLPContext dereference() const;
 
  HLPContext &operator =(const HLPContext &c) {
 
    code_ = c.code_;
    index_ = c.index_;
    return *this;
  }
 
  Atom &operator [](uint16 i) const { return code_[index_ + i]; }
 
  bool operator ==(const HLPContext &c) const;
  bool operator !=(const HLPContext &c) const;
 
  HLPContext get_child(uint16 index) const {
 
    return HLPContext(code_, index_ + index, (HLPOverlay *)overlay_);
  }
 
  HLPContext get_child_deref(uint16 index) const {
    return get_child(index).dereference();
  }
 
  bool evaluate() const {
    if (data_ == BINDING_MAP || data_ == VALUE_ARRAY)
      return true;
 
    HLPContext c = dereference();
    return c.evaluate_no_dereference();
  }
 
  bool evaluate_no_dereference() const;
 
  // _Context implementation.
  _Context *clone() override { return new HLPContext(*this); }
 
  bool equal(const _Context *c) const override { return *this == *(HLPContext *)c; }
 
  Atom &get_atom(uint16 i) const override { return this->operator [](i); }
 
  uint16 get_object_code_size() const override;
 
  uint16 get_children_count() const override {
 
    return code_[index_].getAtomCount();
  }
 
  _Context *get_child_new(uint16 index) const override {
 
    HLPContext *_c = new HLPContext(get_child(index));
    return _c;
  }
 
  _Context *dereference_new() const override {
 
    HLPContext *_c = new HLPContext(dereference());
    return _c;
  }
};
}
 
 
#endif