NazaraEngine/include/Nazara/Shader/ShaderLangLexer.hpp

57 lines
1.2 KiB
C++

// Copyright (C) 2020 Jérôme Leclercq
// This file is part of the "Nazara Engine - Renderer module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_SHADER_LANGLEXER_HPP
#define NAZARA_SHADER_LANGLEXER_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Shader/Config.hpp>
#include <stdexcept>
#include <string>
#include <variant>
#include <vector>
namespace Nz::ShaderLang
{
enum class TokenType
{
#define NAZARA_SHADERLANG_TOKEN(X) X,
#include <Nazara/Shader/ShaderLangTokenList.hpp>
};
struct Token
{
unsigned int column;
unsigned int line;
TokenType type;
std::variant<double, long long, std::string> data;
};
class BadNumber : public std::exception
{
using exception::exception;
};
class NumberOutOfRange : public std::exception
{
using exception::exception;
};
class UnrecognizedToken : public std::exception
{
using exception::exception;
};
NAZARA_SHADER_API std::vector<Token> Tokenize(const std::string_view& str);
NAZARA_SHADER_API const char* ToString(TokenType tokenType);
NAZARA_SHADER_API std::string ToString(const std::vector<Token>& tokens, bool pretty = true);
}
#include <Nazara/Shader/ShaderLangLexer.inl>
#endif