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_LOCATION_DECORATION_H_ 16 #define SRC_AST_LOCATION_DECORATION_H_ 17 18 #include <string> 19 20 #include "src/ast/decoration.h" 21 22 namespace tint { 23 namespace ast { 24 25 /// A location decoration 26 class LocationDecoration : public Castable<LocationDecoration, Decoration> { 27 public: 28 /// constructor 29 /// @param pid the identifier of the program that owns this node 30 /// @param src the source of this node 31 /// @param value the location value 32 LocationDecoration(ProgramID pid, const Source& src, uint32_t value); 33 ~LocationDecoration() override; 34 35 /// @returns the WGSL name for the decoration 36 std::string Name() const override; 37 38 /// Clones this node and all transitive child nodes using the `CloneContext` 39 /// `ctx`. 40 /// @param ctx the clone context 41 /// @return the newly cloned node 42 const LocationDecoration* Clone(CloneContext* ctx) const override; 43 44 /// The location value 45 const uint32_t value; 46 }; 47 48 } // namespace ast 49 } // namespace tint 50 51 #endif // SRC_AST_LOCATION_DECORATION_H_ 52