Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(371)

Unified Diff: tools/gn/item_node.cc

Issue 56433003: GN threading refactor (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « tools/gn/item_node.h ('k') | tools/gn/item_tree.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: tools/gn/item_node.cc
diff --git a/tools/gn/item_node.cc b/tools/gn/item_node.cc
deleted file mode 100644
index 2143b06c3d5c80ac7128affbff2251e6229a4167..0000000000000000000000000000000000000000
--- a/tools/gn/item_node.cc
+++ /dev/null
@@ -1,120 +0,0 @@
-// 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/build_settings.h"
-#include "tools/gn/item.h"
-
-ItemNode::ItemNode(Item* i)
- : state_(REFERENCED),
- item_(i),
- should_generate_(false) {
- item_->set_item_node(this);
-}
-
-ItemNode::~ItemNode() {
-}
-
-bool ItemNode::SetShouldGenerate(const BuildSettings* build_settings,
- Err* err) {
- if (should_generate_)
- return true;
- should_generate_ = true;
-
- if (state_ == DEFINED) {
- if (!ScheduleDepsLoad(build_settings, err))
- return false;
- } else if (state_ == RESOLVED) {
- // The item may have been resolved even if we didn't set the generate bit
- // if all of its deps were loaded some other way. In this case, we need
- // to run the closure which we skipped when it became resolved.
- if (!resolved_closure_.is_null())
- resolved_closure_.Run();
- }
-
- // Pass the generate bit to all deps.
- for (ItemNodeMap::iterator i = direct_dependencies_.begin();
- i != direct_dependencies_.end(); ++i) {
- if (!i->first->SetShouldGenerate(build_settings, err))
- return false;
- }
- return true;
-}
-
-bool ItemNode::AddDependency(const BuildSettings* build_settings,
- const LocationRange& specified_from_here,
- ItemNode* node,
- Err* err) {
- // Can't add more deps once it's been defined.
- DCHECK(state_ == REFERENCED);
-
- if (direct_dependencies_.find(node) != direct_dependencies_.end())
- return true; // Already have this dep.
-
- direct_dependencies_[node] = specified_from_here;
-
- if (node->state() != RESOLVED) {
- // Wire up the pending resolution info.
- unresolved_dependencies_[node] = specified_from_here;
- node->waiting_on_resolution_[this] = specified_from_here;
- }
-
- if (should_generate_) {
- if (!node->SetShouldGenerate(build_settings, err))
- return false;
- }
- return true;
-}
-
-void ItemNode::MarkDirectDependencyResolved(ItemNode* node) {
- DCHECK(unresolved_dependencies_.find(node) != unresolved_dependencies_.end());
- unresolved_dependencies_.erase(node);
-}
-
-void ItemNode::SwapOutWaitingDependencySet(ItemNodeMap* out_map) {
- waiting_on_resolution_.swap(*out_map);
- DCHECK(waiting_on_resolution_.empty());
-}
-
-bool ItemNode::SetDefined(const BuildSettings* build_settings, Err* err) {
- DCHECK(state_ == REFERENCED);
- state_ = DEFINED;
-
- if (should_generate_)
- return ScheduleDepsLoad(build_settings, err);
- return true;
-}
-
-void ItemNode::SetResolved() {
- DCHECK(state_ != RESOLVED);
- state_ = RESOLVED;
-
- if (should_generate_ && !resolved_closure_.is_null())
- resolved_closure_.Run();
-}
-
-bool ItemNode::ScheduleDepsLoad(const BuildSettings* build_settings,
- Err* err) {
- DCHECK(state_ == DEFINED);
- DCHECK(should_generate_); // Shouldn't be requesting deps for ungenerated
- // items.
-
- for (ItemNodeMap::const_iterator i = unresolved_dependencies_.begin();
- i != unresolved_dependencies_.end(); ++i) {
- Label toolchain_label = i->first->item()->label().GetToolchainLabel();
- SourceDir dir_to_load = i->first->item()->label().dir();
-
- if (!build_settings->toolchain_manager().ScheduleInvocationLocked(
- i->second, toolchain_label, dir_to_load, err))
- return false;
- }
-
- state_ = PENDING_DEPS;
- return true;
-}
« no previous file with comments | « tools/gn/item_node.h ('k') | tools/gn/item_tree.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698