TemplateArgument.hpp

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#ifndef INSTANTIATOR_TEMPLATE_ARGUMENT_H_
#define INSTANTIATOR_TEMPLATE_ARGUMENT_H_
 
#include <clang/AST/TemplateBase.h>
#include <string>
 
#include "fmt/color.h"
#include "fmt/core.h"
 
#include "clang/AST/PrettyPrinter.h"
 
namespace Instantiator {
 
enum class Kind
{
    Type,
    NonType,
    Template,
    Pack
};
 
struct TemplateArgument
{
    Kind kind{};
 
    std::vector<std::string> names = {""};
 
    std::string name(const std::string& sep = " ") const;
 
    bool is_dependent = false;
 
    static TemplateArgument createFromTemplateArgument(const clang::TemplateArgument* parm, clang::PrintingPolicy pp);
 
    bool compare(const TemplateArgument& other) const;
 
    inline bool operator==(const TemplateArgument& other) const { return this->compare(other); }
};
 
} // namespace Instantiator
 
template <>
class fmt::formatter<Instantiator::TemplateArgument>
{
public:
    constexpr auto parse(format_parse_context& ctx) { return ctx.begin(); }
    template <typename Context>
    constexpr auto format(Instantiator::TemplateArgument const& p, Context& ctx) const
    {
        return fmt::format_to(ctx.out(), "{}", p.is_dependent ? "dependent" : p.name());
    }
};
 
#endif