| // 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_NINJA_TARGET_WRITER_H_ |
| #define TOOLS_GN_NINJA_TARGET_WRITER_H_ |
| |
| #include <iosfwd> |
| |
| #include "base/basictypes.h" |
| #include "tools/gn/ninja_helper.h" |
| #include "tools/gn/path_output.h" |
| |
| class FileTemplate; |
| class Settings; |
| class Target; |
| |
| // Generates one target's ".ninja" file. The toplevel "build.ninja" file is |
| // generated by the NinjaBuildWriter. |
| class NinjaTargetWriter { |
| public: |
| NinjaTargetWriter(const Target* target, |
| const Toolchain* toolchain, |
| std::ostream& out); |
| virtual ~NinjaTargetWriter(); |
| |
| static void RunAndWriteFile(const Target* target, const Toolchain* toolchain); |
| |
| virtual void Run() = 0; |
| |
| protected: |
| // Writes to the output stream a stamp rule for input dependencies, and |
| // returns the string to be appended to source rules that encodes the |
| // order-only dependencies for the current target. This will include the "|" |
| // character so can just be appended to the source rules. If there are no |
| // implicit dependencies and no extra target dependencies passed in, returns |
| // the empty string. |
| std::string WriteInputDepsStampAndGetDep( |
| const std::vector<const Target*>& extra_hard_deps) const; |
| |
| // Returns the FileTemplate constructed from the outputs variable. This is |
| // like FileTemplate::GetForTargetOutputs except this additionally trims the |
| // build directory from the front so we can just write the names without |
| // further processing. |
| FileTemplate GetOutputTemplate() const; |
| |
| const Settings* settings_; // Non-owning. |
| const Target* target_; // Non-owning. |
| const Toolchain* toolchain_; // Non-owning. |
| std::ostream& out_; |
| PathOutput path_output_; |
| |
| NinjaHelper helper_; |
| |
| private: |
| void WriteCopyRules(); |
| |
| DISALLOW_COPY_AND_ASSIGN(NinjaTargetWriter); |
| }; |
| |
| #endif // TOOLS_GN_NINJA_TARGET_WRITER_H_ |