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Shader: Add module statement

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This commit is contained in:
Jérôme Leclercq
2022-03-01 19:36:18 +01:00
parent ad892dfb43
commit 99e07e6e1e
56 changed files with 418 additions and 123 deletions
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20
include/Nazara/Shader/ShaderLangParser.hpp
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@@ -10,7 +10,7 @@
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Shader/Config.hpp>
#include <Nazara/Shader/ShaderLangLexer.hpp>
#include <Nazara/Shader/Ast/Nodes.hpp>
#include <Nazara/Shader/Ast/Module.hpp>
#include <filesystem>
#include <optional>
@@ -34,6 +34,12 @@ namespace Nz::ShaderLang
using runtime_error::runtime_error;
};
class DuplicateModule : public std::runtime_error
{
public:
using runtime_error::runtime_error;
};
class ReservedKeyword : public std::exception
{
public:
@@ -64,7 +70,7 @@ namespace Nz::ShaderLang
inline Parser();
~Parser() = default;
ShaderAst::StatementPtr Parse(const std::vector<Token>& tokens);
ShaderAst::ModulePtr Parse(const std::vector<Token>& tokens);
private:
// Flow control
@@ -87,6 +93,7 @@ namespace Nz::ShaderLang
std::vector<ShaderAst::StatementPtr> ParseFunctionBody();
ShaderAst::StatementPtr ParseFunctionDeclaration(std::vector<ShaderAst::ExprValue> attributes = {});
ShaderAst::DeclareFunctionStatement::Parameter ParseFunctionParameter();
void ParseModuleStatement(std::vector<ShaderAst::ExprValue> attributes);
ShaderAst::StatementPtr ParseOptionDeclaration();
ShaderAst::StatementPtr ParseReturnStatement();
ShaderAst::StatementPtr ParseSingleStatement();
@@ -106,6 +113,7 @@ namespace Nz::ShaderLang
std::vector<ShaderAst::ExpressionPtr> ParseParameters();
ShaderAst::ExpressionPtr ParseParenthesisExpression();
ShaderAst::ExpressionPtr ParsePrimaryExpression();
ShaderAst::ExpressionPtr ParseStringExpression();
ShaderAst::ExpressionPtr ParseVariableAssignation();
ShaderAst::AttributeType ParseIdentifierAsAttributeType();
@@ -118,16 +126,16 @@ namespace Nz::ShaderLang
{
std::size_t tokenCount;
std::size_t tokenIndex = 0;
std::unique_ptr<ShaderAst::MultiStatement> root;
ShaderAst::ModulePtr module;
const Token* tokens;
};
Context* m_context;
};
inline ShaderAst::StatementPtr Parse(const std::string_view& source);
inline ShaderAst::StatementPtr Parse(const std::vector<Token>& tokens);
NAZARA_SHADER_API ShaderAst::StatementPtr ParseFromFile(const std::filesystem::path& sourcePath);
inline ShaderAst::ModulePtr Parse(const std::string_view& source);
inline ShaderAst::ModulePtr Parse(const std::vector<Token>& tokens);
NAZARA_SHADER_API ShaderAst::ModulePtr ParseFromFile(const std::filesystem::path& sourcePath);
}
#include <Nazara/Shader/ShaderLangParser.inl>