59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
// Copyright (C) 2020 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Renderer module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_SHADER_LANGPARSER_HPP
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#define NAZARA_SHADER_LANGPARSER_HPP
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#include <Nazara/Prerequisites.hpp>
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#include <Nazara/Shader/Config.hpp>
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#include <Nazara/Shader/ShaderLangLexer.hpp>
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namespace Nz::ShaderLang
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{
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class ExpectedToken : public std::exception
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{
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public:
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using exception::exception;
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};
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class UnexpectedToken : public std::exception
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{
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public:
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using exception::exception;
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};
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class NAZARA_SHADER_API Parser
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{
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public:
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inline Parser();
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~Parser() = default;
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void Parse(const std::vector<Token>& tokens);
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private:
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const Token& Advance();
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void Expect(const Token& token, TokenType type);
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void ExpectNext(TokenType type);
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void ParseFunctionBody();
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void ParseFunctionDeclaration();
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void ParseFunctionParameter();
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const Token& PeekNext();
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struct Context
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{
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std::size_t tokenCount;
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std::size_t tokenIndex = 0;
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const Token* tokens;
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};
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Context* m_context;
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};
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}
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#include <Nazara/Shader/ShaderLangParser.inl>
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#endif
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