| // Copyright 2022 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_TINT_LANG_WGSL_SEM_INDEX_ACCESSOR_EXPRESSION_H_ |
| #define SRC_TINT_LANG_WGSL_SEM_INDEX_ACCESSOR_EXPRESSION_H_ |
| |
| #include <vector> |
| |
| #include "src/tint/lang/wgsl/ast/index_accessor_expression.h" |
| #include "src/tint/lang/wgsl/sem/accessor_expression.h" |
| |
| namespace tint::sem { |
| |
| /// IndexAccessorExpression holds the semantic information for a ast::IndexAccessorExpression node. |
| class IndexAccessorExpression final : public Castable<IndexAccessorExpression, AccessorExpression> { |
| public: |
| /// Constructor |
| /// @param declaration the AST node |
| /// @param type the resolved type of the expression |
| /// @param stage the earliest evaluation stage for the expression |
| /// @param object the object expression that is being indexed |
| /// @param index the index expression |
| /// @param statement the statement that owns this expression |
| /// @param constant the constant value of the expression. May be null |
| /// @param has_side_effects whether this expression may have side effects |
| /// @param root_ident the (optional) root identifier for this expression |
| IndexAccessorExpression(const ast::IndexAccessorExpression* declaration, |
| const type::Type* type, |
| EvaluationStage stage, |
| const ValueExpression* object, |
| const ValueExpression* index, |
| const Statement* statement, |
| const constant::Value* constant, |
| bool has_side_effects, |
| const Variable* root_ident = nullptr); |
| |
| /// Destructor |
| ~IndexAccessorExpression() override; |
| |
| /// @returns the AST node |
| const ast::IndexAccessorExpression* Declaration() const { |
| return static_cast<const ast::IndexAccessorExpression*>(declaration_); |
| } |
| |
| /// @returns the index expression |
| ValueExpression const* Index() const { return index_; } |
| |
| private: |
| ValueExpression const* const index_; |
| }; |
| |
| } // namespace tint::sem |
| |
| #endif // SRC_TINT_LANG_WGSL_SEM_INDEX_ACCESSOR_EXPRESSION_H_ |