[GN]: Support for loadable modules

tools/gn/target.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TOOLS_GN_TARGET_H_
 #define TOOLS_GN_TARGET_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 97 matching lines @@
   // Whether this static_library target should have code linked in.
   bool complete_static_lib() const { return complete_static_lib_; }
   void set_complete_static_lib(bool complete) {
     DCHECK_EQ(STATIC_LIBRARY, output_type_);
     complete_static_lib_ = complete;
   }
 
   bool testonly() const { return testonly_; }
   void set_testonly(bool value) { testonly_ = value; }
 
+  // Whether this target should produce a bundle on Darwin platforms. A bundle
+  // is a directory with a standardized hierarchical structure that holds
+  // executable code and the resources used by that code. Examples are
+  // application bundles (.app) or framework bundles (.framework) with the
+  // former corresponding to executables and the latter to shared libraries.
+  bool darwin_bundle() const { return darwin_bundle_; }
+  void set_darwin_bundle(bool value) { darwin_bundle_ = value; }
+
+  // Whether this target should produce a loadable module. On Darwin platforms,
+  // a loadable module is roughly the same as a .dylib, but it cannot be linked
+  // at compile time. It must be dynamically loaded at runtime.
+  bool loadable_module() const { return loadable_module_; }
+  void set_loadable_module(bool value) { loadable_module_ = value; }
+
   // Compile-time extra dependencies.
   const FileList& inputs() const { return inputs_; }
   FileList& inputs() { return inputs_; }
 
   // Runtime dependencies. These are "file-like things" that can either be
   // directories or files. They do not need to exist, these are just passed as
   // runtime dependencies to external test systems as necessary.
   const std::vector<std::string>& data() const { return data_; }
   std::vector<std::string>& data() { return data_; }
 
@@ skipping 153 matching lines @@
   OutputType output_type_;
   std::string output_name_;
   std::string output_extension_;
 
   FileList sources_;
   bool all_headers_public_;
   FileList public_headers_;
   bool check_includes_;
   bool complete_static_lib_;
   bool testonly_;
+  bool darwin_bundle_;
+  bool loadable_module_;
   FileList inputs_;
   std::vector<std::string> data_;
 
   LabelTargetVector private_deps_;
   LabelTargetVector public_deps_;
   LabelTargetVector data_deps_;
 
   UniqueVector<LabelConfigPair> configs_;
   UniqueVector<LabelConfigPair> all_dependent_configs_;
   UniqueVector<LabelConfigPair> public_configs_;
@@ skipping 27 matching lines @@
 
   // Output files. Empty until the target is resolved.
   std::vector<OutputFile> computed_outputs_;
   OutputFile link_output_file_;
   OutputFile dependency_output_file_;
 
   DISALLOW_COPY_AND_ASSIGN(Target);
 };
 
 #endif  // TOOLS_GN_TARGET_H_