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
164
165
166
167
168
169
|
/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef cmComputeLinkDepends_h
#define cmComputeLinkDepends_h
#include "cmStandardIncludes.h"
#include "cmTarget.h"
#include "cmGraphAdjacencyList.h"
#include <queue>
class cmComputeComponentGraph;
class cmGlobalGenerator;
class cmLocalGenerator;
class cmMakefile;
class cmTarget;
class cmake;
/** \class cmComputeLinkDepends
* \brief Compute link dependencies for targets.
*/
class cmComputeLinkDepends
{
public:
cmComputeLinkDepends(cmTarget* target, const char* config, cmTarget *head);
~cmComputeLinkDepends();
// Basic information about each link item.
struct LinkEntry
{
std::string Item;
cmTarget* Target;
bool IsSharedDep;
bool IsFlag;
LinkEntry(): Item(), Target(0), IsSharedDep(false), IsFlag(false) {}
LinkEntry(LinkEntry const& r):
Item(r.Item), Target(r.Target), IsSharedDep(r.IsSharedDep),
IsFlag(r.IsFlag) {}
};
typedef std::vector<LinkEntry> EntryVector;
EntryVector const& Compute();
void SetOldLinkDirMode(bool b);
std::set<cmTarget*> const& GetOldWrongConfigItems() const
{ return this->OldWrongConfigItems; }
private:
// Context information.
cmTarget* Target;
cmTarget* HeadTarget;
cmMakefile* Makefile;
cmLocalGenerator* LocalGenerator;
cmGlobalGenerator* GlobalGenerator;
cmake* CMakeInstance;
bool DebugMode;
// Configuration information.
const char* Config;
cmTarget::LinkLibraryType LinkType;
// Output information.
EntryVector FinalLinkEntries;
typedef cmTarget::LinkLibraryVectorType LinkLibraryVectorType;
std::map<cmStdString, int>::iterator
AllocateLinkEntry(std::string const& item);
int AddLinkEntry(int depender_index, std::string const& item);
void AddVarLinkEntries(int depender_index, const char* value);
void AddDirectLinkEntries();
void AddLinkEntries(int depender_index,
std::vector<std::string> const& libs);
cmTarget* FindTargetToLink(int depender_index, const char* name);
// One entry for each unique item.
std::vector<LinkEntry> EntryList;
std::map<cmStdString, int> LinkEntryIndex;
// BFS of initial dependencies.
struct BFSEntry
{
int Index;
const char* LibDepends;
};
std::queue<BFSEntry> BFSQueue;
void FollowLinkEntry(BFSEntry const&);
// Shared libraries that are included only because they are
// dependencies of other shared libraries, not because they are part
// of the interface.
struct SharedDepEntry
{
std::string Item;
int DependerIndex;
};
std::queue<SharedDepEntry> SharedDepQueue;
std::set<int> SharedDepFollowed;
void FollowSharedDeps(int depender_index,
cmTarget::LinkInterface const* iface,
bool follow_interface = false);
void QueueSharedDependencies(int depender_index,
std::vector<std::string> const& deps);
void HandleSharedDependency(SharedDepEntry const& dep);
// Dependency inferral for each link item.
struct DependSet: public std::set<int> {};
struct DependSetList: public std::vector<DependSet> {};
std::vector<DependSetList*> InferredDependSets;
void InferDependencies();
// Ordering constraint graph adjacency list.
typedef cmGraphNodeList NodeList;
typedef cmGraphEdgeList EdgeList;
typedef cmGraphAdjacencyList Graph;
Graph EntryConstraintGraph;
void CleanConstraintGraph();
void DisplayConstraintGraph();
// Ordering algorithm.
void OrderLinkEntires();
std::vector<char> ComponentVisited;
std::vector<int> ComponentOrder;
int ComponentOrderId;
struct PendingComponent
{
// The real component id. Needed because the map is indexed by
// component topological index.
int Id;
// The number of times the component needs to be seen. This is
// always 1 for trivial components and is initially 2 for
// non-trivial components.
int Count;
// The entries yet to be seen to complete the component.
std::set<int> Entries;
};
std::map<int, PendingComponent> PendingComponents;
cmComputeComponentGraph* CCG;
std::vector<int> FinalLinkOrder;
void DisplayComponents();
void VisitComponent(unsigned int c);
void VisitEntry(int index);
PendingComponent& MakePendingComponent(unsigned int component);
int ComputeComponentCount(NodeList const& nl);
void DisplayFinalEntries();
// Record of the original link line.
std::vector<int> OriginalEntries;
// Compatibility help.
bool OldLinkDirMode;
void CheckWrongConfigItem(int depender_index, std::string const& item);
std::set<cmTarget*> OldWrongConfigItems;
};
#endif
|
