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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#pragma once
#include "cmConfigure.h" // IWYU pragma: keep
#include <iosfwd>
#include <map>
#include <string>
#include <utility>
#include <vector>
#include "cmListFileCache.h"
class cmMessenger;
/** \class cmGlobVerificationManager
* \brief Class for expressing build-time dependencies on glob expressions.
*
* Generates a CMake script which verifies glob outputs during prebuild.
*
*/
class cmGlobVerificationManager
{
protected:
//! Save verification script for given makefile.
//! Saves to output <path>/<CMakeFilesDirectory>/VerifyGlobs.cmake
bool SaveVerificationScript(const std::string& path, cmMessenger* messenger);
//! Add an entry into the glob cache
void AddCacheEntry(bool recurse, bool listDirectories, bool followSymlinks,
const std::string& relative,
const std::string& expression,
const std::vector<std::string>& files,
const std::string& variable,
const cmListFileBacktrace& bt, cmMessenger* messenger);
//! Clear the glob cache for state reset.
void Reset();
//! Check targets should be written in generated build system.
bool DoWriteVerifyTarget() const;
//! Get the paths to the generated script and stamp files
std::string const& GetVerifyScript() const { return this->VerifyScript; }
std::string const& GetVerifyStamp() const { return this->VerifyStamp; }
private:
struct CacheEntryKey
{
const bool Recurse;
const bool ListDirectories;
const bool FollowSymlinks;
const std::string Relative;
const std::string Expression;
CacheEntryKey(const bool rec, const bool l, const bool s, std::string rel,
std::string e)
: Recurse(rec)
, ListDirectories(l)
, FollowSymlinks(s)
, Relative(std::move(rel))
, Expression(std::move(e))
{
}
bool operator<(const CacheEntryKey& r) const;
void PrintGlobCommand(std::ostream& out, const std::string& cmdVar);
};
struct CacheEntryValue
{
bool Initialized = false;
std::vector<std::string> Files;
std::vector<std::pair<std::string, cmListFileBacktrace>> Backtraces;
};
using CacheEntryMap = std::map<CacheEntryKey, CacheEntryValue>;
CacheEntryMap Cache;
std::string VerifyScript;
std::string VerifyStamp;
// Only cmState should be able to add cache values.
// cmGlobVerificationManager should never be used directly.
friend class cmState; // allow access to add cache values
};
|
