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author | brettw@chromium.org <brettw@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-07-29 23:30:07 +0000 |
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committer | brettw@chromium.org <brettw@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-07-29 23:30:07 +0000 |
commit | c88bd8f2c08838c6730b946dc4a50d4386ef43f9 (patch) | |
tree | e9264e0a99f419ab9d52e864acd38bb06a579c3a /tools/gn/item_node.cc | |
parent | 6e778e0ad540ff7abf5252c8af25346aec6b3371 (diff) | |
download | chromium_src-c88bd8f2c08838c6730b946dc4a50d4386ef43f9.zip chromium_src-c88bd8f2c08838c6730b946dc4a50d4386ef43f9.tar.gz chromium_src-c88bd8f2c08838c6730b946dc4a50d4386ef43f9.tar.bz2 |
Add initial prototype for the GN meta-buildsystem.
This is currently not hooked into the build. To build, add a reference to the
gn.gyp file to build/all.gyp
R=darin@chromium.org, scottmg@chromium.org
Review URL: https://codereview.chromium.org/21114002
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@214254 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'tools/gn/item_node.cc')
-rw-r--r-- | tools/gn/item_node.cc | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/tools/gn/item_node.cc b/tools/gn/item_node.cc new file mode 100644 index 0000000..776a126 --- /dev/null +++ b/tools/gn/item_node.cc @@ -0,0 +1,51 @@ +// 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/item_node.h" + +#include <algorithm> + +#include "base/callback.h" +#include "base/logging.h" +#include "tools/gn/item.h" + +ItemNode::ItemNode(Item* i) + : state_(REFERENCED), + item_(i) { +} + +ItemNode::~ItemNode() { +} + +void ItemNode::AddDependency(ItemNode* node) { + if (direct_dependencies_.find(node) != direct_dependencies_.end()) + return; // Already have this dep. + direct_dependencies_.insert(node); + + if (node->state() != RESOLVED) { + // Wire up the pending resolution info. + unresolved_dependencies_.insert(node); + node->waiting_on_resolution_.insert(this); + } +} + +void ItemNode::MarkDirectDependencyResolved(ItemNode* node) { + DCHECK(unresolved_dependencies_.find(node) != unresolved_dependencies_.end()); + unresolved_dependencies_.erase(node); +} + +void ItemNode::SwapOutWaitingDependencySet(ItemNodeSet* out_set) { + waiting_on_resolution_.swap(*out_set); +} + +void ItemNode::SetGenerated() { + state_ = GENERATED; +} + +void ItemNode::SetResolved() { + state_ = RESOLVED; + + if (!resolved_closure_.is_null()) + resolved_closure_.Run(); +} |