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      1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "tools/gn/ninja_group_target_writer.h"
      6 
      7 #include "base/strings/string_util.h"
      8 #include "tools/gn/deps_iterator.h"
      9 #include "tools/gn/output_file.h"
     10 #include "tools/gn/string_utils.h"
     11 #include "tools/gn/target.h"
     12 
     13 NinjaGroupTargetWriter::NinjaGroupTargetWriter(const Target* target,
     14                                                std::ostream& out)
     15     : NinjaTargetWriter(target, out) {
     16 }
     17 
     18 NinjaGroupTargetWriter::~NinjaGroupTargetWriter() {
     19 }
     20 
     21 void NinjaGroupTargetWriter::Run() {
     22   // A group rule just generates a stamp file with dependencies on each of
     23   // the deps and data_deps in the group.
     24   std::vector<OutputFile> output_files;
     25   for (DepsIterator iter(target_, DepsIterator::LINKED_ONLY);
     26        !iter.done(); iter.Advance())
     27     output_files.push_back(iter.target()->dependency_output_file());
     28 
     29   std::vector<OutputFile> data_output_files;
     30   const LabelTargetVector& data_deps = target_->data_deps();
     31   for (size_t i = 0; i < data_deps.size(); i++)
     32     data_output_files.push_back(data_deps[i].ptr->dependency_output_file());
     33 
     34   WriteStampForTarget(output_files, data_output_files);
     35 }
     36