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/*
*/
#ifndef AST_PATH_HPP_INCLUDED
#define AST_PATH_HPP_INCLUDED
#include "../common.hpp"
#include <string>
#include <stdexcept>
class TypeRef;
namespace AST {
class TypeParam
{
public:
TypeParam(bool is_lifetime, ::std::string name);
void addLifetimeBound(::std::string name);
void addTypeBound(TypeRef type);
};
typedef ::std::vector<TypeParam> TypeParams;
typedef ::std::pair< ::std::string, TypeRef> StructItem;
class PathNode
{
::std::string m_name;
::std::vector<TypeRef> m_params;
public:
PathNode(::std::string name, ::std::vector<TypeRef> args);
const ::std::string& name() const;
::std::vector<TypeRef>& args() { return m_params; }
const ::std::vector<TypeRef>& args() const;
friend ::std::ostream& operator<<(::std::ostream& os, const PathNode& pn) {
os << pn.m_name;
if( pn.m_params.size() )
{
os << "<";
os << pn.m_params;
os << ">";
}
return os;
}
};
class Path
{
enum Class {
RELATIVE,
ABSOLUTE,
LOCAL,
};
Class m_class;
::std::vector<PathNode> m_nodes;
public:
Path():
m_class(RELATIVE)
{}
struct TagAbsolute {};
Path(TagAbsolute):
m_class(ABSOLUTE)
{}
struct TagLocal {};
Path(TagLocal, ::std::string name):
m_class(LOCAL),
m_nodes({PathNode(name, {})})
{}
static Path add_tailing(const Path& a, const Path& b) {
Path ret(a);
for(const auto& ent : b.m_nodes)
ret.m_nodes.push_back(ent);
return ret;
}
Path operator+(const Path& x) const {
return Path(*this) += x;
}
Path& operator+=(const Path& x);
void append(PathNode node) {
m_nodes.push_back(node);
}
bool is_relative() const { return m_class == RELATIVE; }
size_t size() const { return m_nodes.size(); }
::std::vector<PathNode>& nodes() { return m_nodes; }
const ::std::vector<PathNode>& nodes() const { return m_nodes; }
PathNode& operator[](size_t idx) { return m_nodes[idx]; }
const PathNode& operator[](size_t idx) const { return m_nodes[idx]; }
friend ::std::ostream& operator<<(::std::ostream& os, const Path& path);
};
} // namespace AST
#endif
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