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// Copyright 2015 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/inherited_libraries.h"
#include "tools/gn/target.h"
InheritedLibraries::InheritedLibraries() = default;
InheritedLibraries::~InheritedLibraries() = default;
std::vector<const Target*> InheritedLibraries::GetOrdered() const {
std::vector<const Target*> result;
result.resize(map_.size());
// The indices in the map should be from 0 to the number of items in the
// map, so insert directly into the result (with some sanity checks).
for (const auto& pair : map_) {
size_t index = pair.second.index;
DCHECK(index < result.size());
DCHECK(!result[index]);
result[index] = pair.first;
}
return result;
}
std::vector<std::pair<const Target*, bool>>
InheritedLibraries::GetOrderedAndPublicFlag() const {
std::vector<std::pair<const Target*, bool>> result;
result.resize(map_.size());
for (const auto& pair : map_) {
size_t index = pair.second.index;
DCHECK(index < result.size());
DCHECK(!result[index].first);
result[index] = std::make_pair(pair.first, pair.second.is_public);
}
return result;
}
void InheritedLibraries::Append(const Target* target, bool is_public) {
// Try to insert a new node.
auto insert_result =
map_.insert(std::make_pair(target, Node(map_.size(), is_public)));
if (!insert_result.second) {
// Element already present, insert failed and insert_result indicates the
// old one. The old one may need to have its public flag updated.
if (is_public) {
Node& existing_node = insert_result.first->second;
existing_node.is_public = true;
}
}
}
void InheritedLibraries::AppendInherited(const InheritedLibraries& other,
bool is_public) {
// Append all items in order, mark them public only if the're already public
// and we're adding them publically.
for (const auto& cur : other.GetOrderedAndPublicFlag())
Append(cur.first, is_public && cur.second);
}
void InheritedLibraries::AppendPublicSharedLibraries(
const InheritedLibraries& other,
bool is_public) {
for (const auto& cur : other.GetOrderedAndPublicFlag()) {
if (cur.first->output_type() == Target::SHARED_LIBRARY && cur.second)
Append(cur.first, is_public);
}
}
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