target.h

#ifndef TARGET_H
#define TARGET_H
 
#include <iostream>
#include <variant>
#include "../common.h"
#include "location.h"
#include "symbol.h"
 
namespace Linker
{
    class Module;
 
    class Target
    {
    public:
        std::variant<Location, SymbolName> target;
        bool segment_of;
 
        Target(std::variant<Location, SymbolName> target = Location(), bool segment_of = false)
            : target(target), segment_of(segment_of)
        {
        }
 
        Target(Location location, bool segment_of = false)
            : target(location), segment_of(segment_of)
        {
            /* Note: when resolved, the segment starts at the location section start */
        }
 
        Target(SymbolName symbol, bool segment_of = false)
            : target(symbol), segment_of(segment_of)
        {
        }
 
        Target GetSegment();
 
        bool Displace(const Displacement& displacement);
 
        bool ResolveLocals(Module& object);
 
        bool Lookup(Module& object, Position& position);
    };
 
    bool operator==(const Target& a, const Target& b);
 
    bool operator!=(const Target& a, const Target& b);
 
    std::ostream& operator<<(std::ostream& out, const Target& target);
}
 
#endif /* TARGET_H */