Revert 214254 "Add initial prototype for the GN meta-buildsystem."

trunk/src/tools/gn/target.cc

-// 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.
-
-#include "tools/gn/target.h"
-
-#include "base/bind.h"
-#include "tools/gn/scheduler.h"
-
-namespace {
-
-void TargetResolvedThunk(const base::Callback<void(const Target*)>& cb,
-                         const Target* t) {
-  cb.Run(t);
-}
-
-}  // namespace
-
-Target::Target(const Settings* settings, const Label& label)
-    : Item(label),
-      settings_(settings),
-      output_type_(NONE),
-      generated_(false),
-      generator_function_(NULL) {
-}
-
-Target::~Target() {
-}
-
-Target* Target::AsTarget() {
-  return this;
-}
-
-const Target* Target::AsTarget() const {
-  return this;
-}
-
-void Target::OnResolved() {
-  // Gather info from our dependents we need.
-  for (size_t dep = 0; dep < deps_.size(); dep++) {
-    // All dependent configs get pulled to us, and to our dependents.
-    const std::vector<const Config*>& all =
-        deps_[dep]->all_dependent_configs();
-    for (size_t i = 0; i < all.size(); i++) {
-      configs_.push_back(all[i]);
-      all_dependent_configs_.push_back(all[i]);
-    }
-
-    // Direct dependent configs get pulled only to us.
-    const std::vector<const Config*>& direct =
-        deps_[dep]->direct_dependent_configs();
-    for (size_t i = 0; i < direct.size(); i++)
-      configs_.push_back(direct[i]);
-
-    // Direct dependent libraries.
-    if (deps_[dep]->output_type() == STATIC_LIBRARY ||
-        deps_[dep]->output_type() == SHARED_LIBRARY ||
-        deps_[dep]->output_type() == LOADABLE_MODULE)
-      inherited_libraries_.insert(deps_[dep]);
-
-    // Inherited libraries. DOn't pull transitive libraries from shared
-    // libraries, since obviously those shouldn't be linked directly into
-    // later deps unless explicitly specified.
-    if (deps_[dep]->output_type() != SHARED_LIBRARY &&
-        deps_[dep]->output_type() != LOADABLE_MODULE &&
-        deps_[dep]->output_type() != EXECUTABLE) {
-      const std::set<const Target*> inherited =
-          deps_[dep]->inherited_libraries();
-      for (std::set<const Target*>::const_iterator i = inherited.begin();
-           i != inherited.end(); ++i)
-        inherited_libraries_.insert(*i);
-    }
-  }
-
-  if (!settings_->build_settings()->target_resolved_callback().is_null()) {
-    g_scheduler->ScheduleWork(base::Bind(&TargetResolvedThunk,
-        settings_->build_settings()->target_resolved_callback(),
-        this));
-  }
-}
-
-bool Target::HasBeenGenerated() const {
-  return generated_;
-}
-
-void Target::SetGenerated(const Token* token) {
-  DCHECK(!generated_);
-  generated_ = true;
-  generator_function_ = token;
-}
-
-bool Target::IsLinkable() const {
-  return output_type_ == STATIC_LIBRARY || output_type_ == SHARED_LIBRARY;
-}