| // Copyright 2021 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef SRC_SEM_TYPE_MAPPINGS_H_ |
| #define SRC_SEM_TYPE_MAPPINGS_H_ |
| |
| #include <type_traits> |
| |
| namespace tint { |
| |
| // Forward declarations |
| namespace ast { |
| class CallExpression; |
| class Expression; |
| class ElseStatement; |
| class ForLoopStatement; |
| class Function; |
| class IfStatement; |
| class MemberAccessorExpression; |
| class Node; |
| class Statement; |
| class Struct; |
| class StructMember; |
| class Type; |
| class TypeDecl; |
| class Variable; |
| } // namespace ast |
| |
| namespace sem { |
| // Forward declarations |
| class Array; |
| class Call; |
| class Expression; |
| class ElseStatement; |
| class ForLoopStatement; |
| class Function; |
| class IfStatement; |
| class MemberAccessorExpression; |
| class Node; |
| class Statement; |
| class Struct; |
| class StructMember; |
| class Type; |
| class Variable; |
| |
| /// TypeMappings is a struct that holds undefined `operator()` methods that's |
| /// used by SemanticNodeTypeFor to map AST / type node types to their |
| /// corresponding semantic node types. The standard operator overload resolving |
| /// rules will be used to infer the return type based on the argument type. |
| struct TypeMappings { |
| //! @cond Doxygen_Suppress |
| Call* operator()(ast::CallExpression*); |
| Expression* operator()(ast::Expression*); |
| ElseStatement* operator()(ast::ElseStatement*); |
| ForLoopStatement* operator()(ast::ForLoopStatement*); |
| Function* operator()(ast::Function*); |
| IfStatement* operator()(ast::IfStatement*); |
| MemberAccessorExpression* operator()(ast::MemberAccessorExpression*); |
| Node* operator()(ast::Node*); |
| Statement* operator()(ast::Statement*); |
| Struct* operator()(ast::Struct*); |
| StructMember* operator()(ast::StructMember*); |
| Type* operator()(ast::Type*); |
| Type* operator()(ast::TypeDecl*); |
| Variable* operator()(ast::Variable*); |
| //! @endcond |
| }; |
| |
| /// SemanticNodeTypeFor resolves to the appropriate sem::Node type for the |
| /// AST or type node `AST_OR_TYPE`. |
| template <typename AST_OR_TYPE> |
| using SemanticNodeTypeFor = typename std::remove_pointer<decltype( |
| TypeMappings()(std::declval<AST_OR_TYPE*>()))>::type; |
| |
| } // namespace sem |
| } // namespace tint |
| |
| #endif // SRC_SEM_TYPE_MAPPINGS_H_ |