blob: a6714671974bc162bbed525c6d7256e555ecb3c3 (
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
62
63
64
65
66
67
68
|
// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef NINJA_BUILD_LOG_H_
#define NINJA_BUILD_LOG_H_
#include <map>
#include <string>
using namespace std;
struct BuildConfig;
struct Edge;
// Store a log of every command ran for every build.
// It has a few uses:
// 1) historical command lines for output files, so we know
// when we need to rebuild due to the command changing
// 2) historical timing information
// 3) maybe we can generate some sort of build overview output
// from it
struct BuildLog {
BuildLog();
void SetConfig(BuildConfig* config) { config_ = config; }
bool OpenForWrite(const string& path, string* err);
void RecordCommand(Edge* edge, int time_ms);
void Close();
// Load the on-disk log.
bool Load(const string& path, string* err);
struct LogEntry {
string output;
string command;
int time_ms;
bool operator==(const LogEntry& o) {
return output == o.output && command == o.command && time_ms == o.time_ms;
}
};
// Lookup a previously-run command by its output path.
LogEntry* LookupByOutput(const string& path);
// Serialize an entry into a log file.
void WriteEntry(FILE* f, const LogEntry& entry);
// Rewrite the known log entries, throwing away old data.
bool Recompact(const string& path, string* err);
typedef map<string, LogEntry*> Log;
Log log_;
FILE* log_file_;
BuildConfig* config_;
bool needs_recompaction_;
};
#endif // NINJA_BUILD_LOG_H_
|
