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_ELSE_STATEMENT_H_ 16 #define SRC_AST_ELSE_STATEMENT_H_ 17 18 #include <vector> 19 20 #include "src/ast/block_statement.h" 21 #include "src/ast/expression.h" 22 23 namespace tint { 24 namespace ast { 25 26 /// An else statement 27 class ElseStatement : public Castable<ElseStatement, Statement> { 28 public: 29 /// Constructor 30 /// @param pid the identifier of the program that owns this node 31 /// @param src the source of this node 32 /// @param condition the else condition 33 /// @param body the else body 34 ElseStatement(ProgramID pid, 35 const Source& src, 36 const Expression* condition, 37 const BlockStatement* body); 38 /// Move constructor 39 ElseStatement(ElseStatement&&); 40 ~ElseStatement() override; 41 42 /// Clones this node and all transitive child nodes using the `CloneContext` 43 /// `ctx`. 44 /// @param ctx the clone context 45 /// @return the newly cloned node 46 const ElseStatement* Clone(CloneContext* ctx) const override; 47 48 /// The else condition or nullptr if none set 49 const Expression* const condition; 50 51 /// The else body 52 const BlockStatement* const body; 53 }; 54 55 /// A list of else statements 56 using ElseStatementList = std::vector<const ElseStatement*>; 57 58 } // namespace ast 59 } // namespace tint 60 61 #endif // SRC_AST_ELSE_STATEMENT_H_ 62