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#ifndef _HIR_PATH_HPP_
#define _HIR_PATH_HPP_
#pragma once
#include <common.hpp>
#include <tagged_union.hpp>
#include <hir/type_ptr.hpp>
namespace HIR {
class Trait;
/// Simple path - Absolute with no generic parameters
struct SimplePath
{
::std::string m_crate_name;
::std::vector< ::std::string> m_components;
SimplePath():
m_crate_name("")
{
}
SimplePath(::std::string crate):
m_crate_name( mv$(crate) )
{
}
SimplePath(::std::string crate, ::std::vector< ::std::string> components):
m_crate_name( mv$(crate) ),
m_components( mv$(components) )
{
}
SimplePath clone() const;
SimplePath operator+(const ::std::string& s) const;
bool operator==(const SimplePath& x) const {
return m_crate_name == x.m_crate_name && m_components == x.m_components;
}
bool operator!=(const SimplePath& x) const {
return !(*this == x);
}
bool operator<(const SimplePath& x) const {
if( m_crate_name < x.m_crate_name ) return true;
if( m_components < x.m_components ) return true;
return false;
}
friend ::std::ostream& operator<<(::std::ostream& os, const SimplePath& x);
};
struct PathParams
{
::std::vector<TypeRef> m_types;
PathParams();
PathParams clone() const;
PathParams(const PathParams&) = delete;
PathParams& operator=(const PathParams&) = delete;
PathParams(PathParams&&) = default;
PathParams& operator=(PathParams&&) = default;
//bool operator==(const PathParams& x) const;
//bool operator<(const PathParams& x) const;
friend ::std::ostream& operator<<(::std::ostream& os, const PathParams& x);
};
/// Generic path - Simple path with one lot of generic params
class GenericPath
{
public:
SimplePath m_path;
PathParams m_params;
GenericPath();
GenericPath(::HIR::SimplePath sp);
GenericPath(::HIR::SimplePath sp, ::HIR::PathParams params);
GenericPath clone() const;
//bool operator==(const GenericPath& x) const;
//bool operator<(const GenericPath& x) const;
friend ::std::ostream& operator<<(::std::ostream& os, const GenericPath& x);
};
class TraitPath
{
public:
GenericPath m_path;
::std::vector< ::std::string> m_hrls;
const ::HIR::Trait* m_trait_ptr;
};
class Path
{
public:
// Two possibilities
// - UFCS
// - Generic path
TAGGED_UNION(Data, Generic,
(Generic, GenericPath),
(UfcsInherent, struct {
::std::unique_ptr<TypeRef> type;
::std::string item;
PathParams params;
}),
(UfcsKnown, struct {
::std::unique_ptr<TypeRef> type;
GenericPath trait;
::std::string item;
PathParams params;
}),
(UfcsUnknown, struct {
::std::unique_ptr<TypeRef> type;
//GenericPath ??;
::std::string item;
PathParams params;
})
);
Data m_data;
Path(Data data):
m_data(mv$(data))
{}
Path(GenericPath _);
Path(SimplePath _);
Path clone() const;
friend ::std::ostream& operator<<(::std::ostream& os, const Path& x);
};
} // namespace HIR
#endif
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