blob: f67eba533c86e5b28774a465cf0d141448d9d3a4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// 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/path_output.h"
#include "tools/gn/substitution_type.h"
class FileTemplate;
class OutputFile;
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, std::ostream& out);
virtual ~NinjaTargetWriter();
static void RunAndWriteFile(const Target* target);
virtual void Run() = 0;
protected:
// Writes out the substitution values that are shared between the different
// types of tools (target gen dir, target label, etc.). Only the substitutions
// identified by the given bits will be written.
void WriteSharedVars(const SubstitutionBits& bits);
// Writes to the output stream a stamp rule for input dependencies, and
// returns the file to be appended to source rules that encodes the
// order-only dependencies for the current target. The returned OutputFile
// will be empty if there are no implicit dependencies and no extra target
// dependencies passed in.
OutputFile WriteInputDepsStampAndGetDep(
const std::vector<const Target*>& extra_hard_deps) const;
// Writes to the output file a final stamp rule for the target that stamps
// the given list of files. This function assumes the stamp is for the target
// as a whole so the stamp file is set as the target's dependency output.
void WriteStampForTarget(const std::vector<OutputFile>& deps,
const std::vector<OutputFile>& order_only_deps);
const Settings* settings_; // Non-owning.
const Target* target_; // Non-owning.
std::ostream& out_;
PathOutput path_output_;
private:
void WriteCopyRules();
DISALLOW_COPY_AND_ASSIGN(NinjaTargetWriter);
};
#endif // TOOLS_GN_NINJA_TARGET_WRITER_H_
|
