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Diffstat (limited to 'tools/gn/item.h')
-rw-r--r-- | tools/gn/item.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tools/gn/item.h b/tools/gn/item.h new file mode 100644 index 0000000..aa71544 --- /dev/null +++ b/tools/gn/item.h @@ -0,0 +1,45 @@ +// 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_ITEM_H_ +#define TOOLS_GN_ITEM_H_ + +#include <string> + +#include "tools/gn/label.h" + +class Config; +class Target; +class Toolchain; + +// A named item (target, config, etc.) that participates in the dependency +// graph. +class Item { + public: + Item(const Label& label); + virtual ~Item(); + + const Label& label() const { return label_; } + + // Manual RTTI. + virtual Config* AsConfig(); + virtual const Config* AsConfig() const; + virtual Target* AsTarget(); + virtual const Target* AsTarget() const; + virtual Toolchain* AsToolchain(); + virtual const Toolchain* AsToolchain() const; + + // Returns a name like "target" or "config" for the type of item this is, to + // be used in logging and error messages. + std::string GetItemTypeName() const; + + // Called when this item is resolved, meaning it and all of its dependents + // have no unresolved deps. + virtual void OnResolved() {} + + private: + Label label_; +}; + +#endif // TOOLS_GN_ITEM_H_ |