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_EXPRESSION_H_ 16 #define SRC_AST_EXPRESSION_H_ 17 18 #include <string> 19 #include <vector> 20 21 #include "src/ast/node.h" 22 #include "src/sem/type.h" 23 24 namespace tint { 25 namespace ast { 26 27 /// Base expression class 28 class Expression : public Castable<Expression, Node> { 29 public: 30 ~Expression() override; 31 32 protected: 33 /// Constructor 34 /// @param pid the identifier of the program that owns this node 35 /// @param src the source of this node 36 Expression(ProgramID pid, const Source& src); 37 /// Move constructor 38 Expression(Expression&&); 39 }; 40 41 /// A list of expressions 42 using ExpressionList = std::vector<const Expression*>; 43 44 } // namespace ast 45 } // namespace tint 46 47 #endif // SRC_AST_EXPRESSION_H_ 48