module-loader.h (2145B)
1 // Copyright (c) 2013-2014 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 "compiler.h" 25 #include "error-reporter.h" 26 #include <kj/memory.h> 27 #include <kj/array.h> 28 #include <kj/string.h> 29 #include <kj/filesystem.h> 30 31 CAPNP_BEGIN_HEADER 32 33 namespace capnp { 34 namespace compiler { 35 36 class ModuleLoader { 37 public: 38 explicit ModuleLoader(GlobalErrorReporter& errorReporter); 39 // Create a ModuleLoader that reports error messages to the given reporter. 40 41 KJ_DISALLOW_COPY(ModuleLoader); 42 43 ~ModuleLoader() noexcept(false); 44 45 void addImportPath(const kj::ReadableDirectory& dir); 46 // Add a directory to the list of paths that is searched for imports that start with a '/'. 47 48 kj::Maybe<Module&> loadModule(const kj::ReadableDirectory& dir, kj::PathPtr path); 49 // Tries to load a module with the given path inside the given directory. Returns nullptr if the 50 // file doesn't exist. 51 52 private: 53 class Impl; 54 kj::Own<Impl> impl; 55 56 class ModuleImpl; 57 }; 58 59 } // namespace compiler 60 } // namespace capnp 61 62 CAPNP_END_HEADER