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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef cmListFileCache_h
#define cmListFileCache_h
#include <cmConfigure.h> // IWYU pragma: keep
#include <iosfwd>
#include <string>
#include <vector>
#include "cmState.h"
/** \class cmListFileCache
* \brief A class to cache list file contents.
*
* cmListFileCache is a class used to cache the contents of parsed
* cmake list files.
*/
class cmMessenger;
struct cmCommandContext
{
std::string Name;
long Line;
cmCommandContext()
: Name()
, Line(0)
{
}
};
struct cmListFileArgument
{
enum Delimiter
{
Unquoted,
Quoted,
Bracket
};
cmListFileArgument()
: Value()
, Delim(Unquoted)
, Line(0)
{
}
cmListFileArgument(const cmListFileArgument& r)
: Value(r.Value)
, Delim(r.Delim)
, Line(r.Line)
{
}
cmListFileArgument(const std::string& v, Delimiter d, long line)
: Value(v)
, Delim(d)
, Line(line)
{
}
bool operator==(const cmListFileArgument& r) const
{
return (this->Value == r.Value) && (this->Delim == r.Delim);
}
bool operator!=(const cmListFileArgument& r) const { return !(*this == r); }
std::string Value;
Delimiter Delim;
long Line;
};
class cmListFileContext
{
public:
std::string Name;
std::string FilePath;
long Line;
cmListFileContext()
: Name()
, FilePath()
, Line(0)
{
}
static cmListFileContext FromCommandContext(cmCommandContext const& lfcc,
std::string const& fileName)
{
cmListFileContext lfc;
lfc.FilePath = fileName;
lfc.Line = lfcc.Line;
lfc.Name = lfcc.Name;
return lfc;
}
};
std::ostream& operator<<(std::ostream&, cmListFileContext const&);
bool operator<(const cmListFileContext& lhs, const cmListFileContext& rhs);
bool operator==(cmListFileContext const& lhs, cmListFileContext const& rhs);
bool operator!=(cmListFileContext const& lhs, cmListFileContext const& rhs);
struct cmListFileFunction : public cmCommandContext
{
std::vector<cmListFileArgument> Arguments;
};
// Represent a backtrace (call stack). Provide value semantics
// but use efficient reference-counting underneath to avoid copies.
class cmListFileBacktrace
{
public:
// Default-constructed backtrace may not be used until after
// set via assignment from a backtrace constructed with a
// valid snapshot.
cmListFileBacktrace();
// Construct an empty backtrace whose bottom sits in the directory
// indicated by the given valid snapshot.
cmListFileBacktrace(cmState::Snapshot snapshot);
// Backtraces may be copied and assigned as values.
cmListFileBacktrace(cmListFileBacktrace const& r);
cmListFileBacktrace& operator=(cmListFileBacktrace const& r);
~cmListFileBacktrace();
// Get a backtrace with the given file scope added to the top.
// May not be called until after construction with a valid snapshot.
cmListFileBacktrace Push(std::string const& file) const;
// Get a backtrace with the given call context added to the top.
// May not be called until after construction with a valid snapshot.
cmListFileBacktrace Push(cmListFileContext const& lfc) const;
// Get a backtrace with the top level removed.
// May not be called until after a matching Push.
cmListFileBacktrace Pop() const;
// Get the context at the top of the backtrace.
// Returns an empty context if the backtrace is empty.
cmListFileContext const& Top() const;
// Print the top of the backtrace.
void PrintTitle(std::ostream& out) const;
// Print the call stack below the top of the backtrace.
void PrintCallStack(std::ostream& out) const;
private:
struct Entry;
cmState::Snapshot Bottom;
Entry* Cur;
cmListFileBacktrace(cmState::Snapshot bottom, Entry* up,
cmListFileContext const& lfc);
cmListFileBacktrace(cmState::Snapshot bottom, Entry* cur);
};
struct cmListFile
{
bool ParseFile(const char* path, cmMessenger* messenger,
cmListFileBacktrace const& lfbt);
std::vector<cmListFileFunction> Functions;
};
#endif
|