🚙 GN: Add write_runtime_deps variable

tools/gn/scheduler.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_SCHEDULER_H_
 #define TOOLS_GN_SCHEDULER_H_
 
 #include <map>
 
 #include "base/atomic_ref_count.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "tools/gn/input_file_manager.h"
+#include "tools/gn/label.h"
+#include "tools/gn/source_file.h"
+#include "tools/gn/token.h"
 
 class Target;
 
 // Maintains the thread pool and error state.
 class Scheduler {
  public:
   Scheduler();
   ~Scheduler();
 
   bool Run();
@@ skipping 22 matching lines @@
   // start using >1 build settings, then we probably want this to take a
   // BuildSettings object so we know the depdency on a per-build basis.
   // If moved, most of the Add/Get functions below should move as well.
   void AddGenDependency(const base::FilePath& file);
   std::vector<base::FilePath> GetGenDependencies() const;
 
   // Tracks calls to write_file for resolving with the unknown generated
   // inputs (see AddUnknownGeneratedInput below).
   void AddWrittenFile(const SourceFile& file);
 
+  // Schedules a file to be written due to a target setting write_runtime_deps.
+  void AddWriteRuntimeDepsTarget(const Target* entry);
+  std::vector<const Target*> GetWriteRuntimeDepsTargets() const;
+  bool IsFileGeneratedByWriteRuntimeDeps(const OutputFile& file) const;
+
   // Unknown generated inputs are files that a target declares as an input
   // in the output directory, but which aren't generated by any dependency.
   //
   // Some of these files will be files written by write_file and will be
   // GenDependencies (see AddWrittenFile above). There are OK and include
   // things like response files for scripts. Others cases will be ones where
   // the file is generated by a target that's not a dependency.
   //
   // In order to distinguish these two cases, the checking for these input
   // files needs to be done after all targets are complete. This also has the
@@ skipping 36 matching lines @@
   bool is_failed_;
 
   // Used to track whether the worker pool has been shutdown. This is necessary
   // to clean up after tests that make a scheduler but don't run the message
   // loop.
   bool has_been_shutdown_;
 
   // Protected by the lock. See the corresponding Add/Get functions above.
   std::vector<base::FilePath> gen_dependencies_;
   std::vector<SourceFile> written_files_;
+  std::vector<const Target*> write_runtime_deps_targets_;
   std::multimap<SourceFile, const Target*> unknown_generated_inputs_;
 
   DISALLOW_COPY_AND_ASSIGN(Scheduler);
 };
 
 extern Scheduler* g_scheduler;
 
 #endif  // TOOLS_GN_SCHEDULER_H_