1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef TOOLS_GN_NINJA_BINARY_TARGET_WRITER_H_
6 #define TOOLS_GN_NINJA_BINARY_TARGET_WRITER_H_
8 #include "base/compiler_specific.h"
9 #include "tools/gn/ninja_target_writer.h"
10 #include "tools/gn/toolchain.h"
12 // Writes a .ninja file for a binary target type (an executable, a shared
13 // library, or a static library).
14 class NinjaBinaryTargetWriter : public NinjaTargetWriter {
16 NinjaBinaryTargetWriter(const Target* target,
17 const Toolchain* toolchain,
19 virtual ~NinjaBinaryTargetWriter();
21 virtual void Run() OVERRIDE;
24 typedef std::set<OutputFile> OutputFileSet;
26 void WriteCompilerVars();
27 void WriteSources(std::vector<OutputFile>* object_files);
28 void WriteLinkerStuff(const std::vector<OutputFile>& object_files);
29 void WriteLinkerFlags();
31 // Writes the build line for linking the target. Includes newline.
32 void WriteLinkCommand(const OutputFile& external_output_file,
33 const OutputFile& internal_output_file,
34 const std::vector<OutputFile>& object_files);
36 // Writes the stamp line for a source set. These are not linked.
37 void WriteSourceSetStamp(const std::vector<OutputFile>& object_files);
39 // Gets all target dependencies and classifies them, as well as accumulates
40 // object files from source sets we need to link.
41 void GetDeps(std::set<OutputFile>* extra_object_files,
42 std::vector<const Target*>* linkable_deps,
43 std::vector<const Target*>* non_linkable_deps) const;
45 // Classifies the dependency as linkable or nonlinkable with the current
46 // target, adding it to the appropriate vector. If the dependency is a source
47 // set we should link in, the source set's object files will be appended to
48 // |extra_object_files|.
49 void ClassifyDependency(const Target* dep,
50 std::set<OutputFile>* extra_object_files,
51 std::vector<const Target*>* linkable_deps,
52 std::vector<const Target*>* non_linkable_deps) const;
54 // Writes the implicit dependencies for the link or stamp line. This is
55 // the "||" and everything following it on the ninja line.
57 // The implicit dependencies are the non-linkable deps passed in as an
58 // argument, plus the data file depdencies in the target.
59 void WriteImplicitDependencies(
60 const std::vector<const Target*>& non_linkable_deps);
62 Toolchain::ToolType tool_type_;
64 DISALLOW_COPY_AND_ASSIGN(NinjaBinaryTargetWriter);
67 #endif // TOOLS_GN_NINJA_BINARY_TARGET_WRITER_H_