mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 14:26:09 +03:00
114 lines
3.6 KiB
C
114 lines
3.6 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.
|
||
|
|
||
|
#ifndef TOOLS_GN_BUILDER_RECORD_H_
|
||
|
#define TOOLS_GN_BUILDER_RECORD_H_
|
||
|
|
||
|
#include <memory>
|
||
|
#include <set>
|
||
|
#include <utility>
|
||
|
|
||
|
#include "base/macros.h"
|
||
|
#include "tools/gn/item.h"
|
||
|
#include "tools/gn/location.h"
|
||
|
|
||
|
class ParseNode;
|
||
|
|
||
|
// This class is used by the builder to manage the loading of the dependency
|
||
|
// tree. It holds a reference to an item and links to other records that the
|
||
|
// item depends on, both resolved ones, and unresolved ones.
|
||
|
//
|
||
|
// If a target depends on another one that hasn't been defined yet, we'll make
|
||
|
// a placeholder BuilderRecord with no item, and try to load the buildfile
|
||
|
// associated with the new item. The item will get filled in when we encounter
|
||
|
// the declaration for the item (or when we're done and realize there are
|
||
|
// undefined items).
|
||
|
//
|
||
|
// You can also have null item pointers when the target is not required for
|
||
|
// the current build (should_generate is false).
|
||
|
class BuilderRecord {
|
||
|
public:
|
||
|
typedef std::set<BuilderRecord*> BuilderRecordSet;
|
||
|
|
||
|
enum ItemType {
|
||
|
ITEM_UNKNOWN,
|
||
|
ITEM_TARGET,
|
||
|
ITEM_CONFIG,
|
||
|
ITEM_TOOLCHAIN,
|
||
|
ITEM_POOL
|
||
|
};
|
||
|
|
||
|
BuilderRecord(ItemType type, const Label& label);
|
||
|
~BuilderRecord();
|
||
|
|
||
|
ItemType type() const { return type_; }
|
||
|
const Label& label() const { return label_; }
|
||
|
|
||
|
// Returns a user-ready name for the given type. e.g. "target".
|
||
|
static const char* GetNameForType(ItemType type);
|
||
|
|
||
|
// Returns true if the given item is of the given type.
|
||
|
static bool IsItemOfType(const Item* item, ItemType type);
|
||
|
|
||
|
// Returns the type enum for the given item.
|
||
|
static ItemType TypeOfItem(const Item* item);
|
||
|
|
||
|
Item* item() { return item_.get(); }
|
||
|
const Item* item() const { return item_.get(); }
|
||
|
void set_item(std::unique_ptr<Item> item) { item_ = std::move(item); }
|
||
|
|
||
|
// Indicates from where this item was originally referenced from that caused
|
||
|
// it to be loaded. For targets for which we encountered the declaration
|
||
|
// before a reference, this will be the empty range.
|
||
|
const ParseNode* originally_referenced_from() const {
|
||
|
return originally_referenced_from_;
|
||
|
}
|
||
|
void set_originally_referenced_from(const ParseNode* pn) {
|
||
|
originally_referenced_from_ = pn;
|
||
|
}
|
||
|
|
||
|
bool should_generate() const { return should_generate_; }
|
||
|
void set_should_generate(bool sg) { should_generate_ = sg; }
|
||
|
|
||
|
bool resolved() const { return resolved_; }
|
||
|
void set_resolved(bool r) { resolved_ = r; }
|
||
|
|
||
|
bool can_resolve() const {
|
||
|
return item_ && unresolved_deps_.empty();
|
||
|
}
|
||
|
|
||
|
// All records this one is depending on.
|
||
|
BuilderRecordSet& all_deps() { return all_deps_; }
|
||
|
const BuilderRecordSet& all_deps() const { return all_deps_; }
|
||
|
|
||
|
// Unresolved records this one is depending on. A subset of all... above.
|
||
|
BuilderRecordSet& unresolved_deps() { return unresolved_deps_; }
|
||
|
const BuilderRecordSet& unresolved_deps() const { return unresolved_deps_; }
|
||
|
|
||
|
// Records that are waiting on this one to be resolved. This is the other
|
||
|
// end of the "unresolved deps" arrow.
|
||
|
BuilderRecordSet& waiting_on_resolution() { return waiting_on_resolution_; }
|
||
|
const BuilderRecordSet& waiting_on_resolution() const {
|
||
|
return waiting_on_resolution_;
|
||
|
}
|
||
|
|
||
|
void AddDep(BuilderRecord* record);
|
||
|
|
||
|
private:
|
||
|
ItemType type_;
|
||
|
Label label_;
|
||
|
std::unique_ptr<Item> item_;
|
||
|
const ParseNode* originally_referenced_from_;
|
||
|
bool should_generate_;
|
||
|
bool resolved_;
|
||
|
|
||
|
BuilderRecordSet all_deps_;
|
||
|
BuilderRecordSet unresolved_deps_;
|
||
|
BuilderRecordSet waiting_on_resolution_;
|
||
|
|
||
|
DISALLOW_COPY_AND_ASSIGN(BuilderRecord);
|
||
|
};
|
||
|
|
||
|
#endif // TOOLS_GN_BUILDER_RECORD_H_
|