type-id.h (1914B)
1 // Copyright (c) 2017 Sandstorm Development Group, Inc. and contributors 2 // Licensed under the MIT License: 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a copy 5 // of this software and associated documentation files (the "Software"), to deal 6 // in the Software without restriction, including without limitation the rights 7 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 // copies of the Software, and to permit persons to whom the Software is 9 // furnished to do so, subject to the following conditions: 10 // 11 // The above copyright notice and this permission notice shall be included in 12 // all copies or substantial portions of the Software. 13 // 14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 20 // THE SOFTWARE. 21 22 #pragma once 23 24 #include <kj/string.h> 25 #include <kj/array.h> 26 #include <capnp/common.h> 27 28 namespace capnp { 29 namespace compiler { 30 31 uint64_t generateChildId(uint64_t parentId, kj::StringPtr childName); 32 uint64_t generateGroupId(uint64_t parentId, uint16_t groupIndex); 33 uint64_t generateMethodParamsId(uint64_t parentId, uint16_t methodOrdinal, bool isResults); 34 // Generate a default type ID for various symbols. These are used only if the developer did not 35 // specify an ID explicitly. 36 // 37 // The returned ID always has the most-significant bit set. The remaining bits are generated 38 // pseudo-randomly from the input using an algorithm that should produce a uniform distribution of 39 // IDs. 40 41 } // namespace compiler 42 } // namespace capnp