shaka-packager/tools/gn/target.cc

93 lines
2.6 KiB
C++

// 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_(UNKNOWN),
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)
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() != 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;
}