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containers.h
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Tue, Jul 7, 7:35 PM

containers.h
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//
// Created by pgess on 3/14/15.
//
#ifndef _XREATE_CONTAINERSQUERY_H_
#define _XREATE_CONTAINERSQUERY_H_
#include "passmanager.h"
#include <boost/variant.hpp>
namespace xreate {
namespace containers {
enum ImplementationType {SOLID, ON_THE_FLY, LINKED_LIST};
template<ImplementationType I>
struct ImplementationRec;
template<>
struct ImplementationRec<SOLID> {
size_t size;
};
template<>
struct ImplementationRec<ON_THE_FLY>{
Symbol source;
};
struct Implementation;
struct ImplementationLinkedList {
bool flagIsValid;
std::string fieldPointer;
Expression terminator;
ImplementationLinkedList(const Symbol& source);
operator bool() const;
Implementation getImplementationData() const;
private:
Symbol s;
};
struct Implementation {
typedef boost::variant<ImplementationRec<SOLID>, ImplementationRec<ON_THE_FLY>> Variant;
const ImplementationType impl;
Variant data;
static Implementation create(const Symbol &var);
static Implementation create(const Symbol& var, const std::string &implSerialized);
static Implementation create(const Symbol& var, const Implementation& proto);
template<ImplementationType I>
const ImplementationRec<I>& extract() const{
const ImplementationRec<I>& rec = boost::get<ImplementationRec<I>>(data);
return rec;
}
};
class Query : public xreate::IQuery {
public:
static Implementation queryImplementation(xreate::Symbol const &s);
void init(ClaspLayer* clasp);
~Query(){}
private:
bool flagIsDataLoaded = false;
PassManager *man;
};
}
template<>
struct AttachmentsDict<containers::Implementation> {
typedef containers::Implementation Data;
static const unsigned int key = 1;
};
}
#endif //_XREATE_CONTAINERSQUERY_H_

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