1 // Copyright 2020 The Tint Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef SRC_AST_INDEX_ACCESSOR_EXPRESSION_H_ 16 #define SRC_AST_INDEX_ACCESSOR_EXPRESSION_H_ 17 18 #include "src/ast/expression.h" 19 20 namespace tint { 21 namespace ast { 22 23 /// An index accessor expression 24 class IndexAccessorExpression 25 : public Castable<IndexAccessorExpression, Expression> { 26 public: 27 /// Constructor 28 /// @param program_id the identifier of the program that owns this node 29 /// @param source the index accessor source 30 /// @param obj the object 31 /// @param idx the index expression 32 IndexAccessorExpression(ProgramID program_id, 33 const Source& source, 34 const Expression* obj, 35 const Expression* idx); 36 /// Move constructor 37 IndexAccessorExpression(IndexAccessorExpression&&); 38 ~IndexAccessorExpression() override; 39 40 /// Clones this node and all transitive child nodes using the `CloneContext` 41 /// `ctx`. 42 /// @param ctx the clone context 43 /// @return the newly cloned node 44 const IndexAccessorExpression* Clone(CloneContext* ctx) const override; 45 46 /// the array, vector or matrix 47 const Expression* const object; 48 49 /// the index expression 50 const Expression* const index; 51 }; 52 53 } // namespace ast 54 } // namespace tint 55 56 #endif // SRC_AST_INDEX_ACCESSOR_EXPRESSION_H_ 57