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
|
/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2012 Stephen Kelly <steveire@gmail.com>
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 cmGeneratorExpressionEvaluator_h
#define cmGeneratorExpressionEvaluator_h
#include <vector>
#include <string>
#include "cmListFileCache.h"
class cmTarget;
//----------------------------------------------------------------------------
struct cmGeneratorExpressionContext
{
cmListFileBacktrace Backtrace;
std::set<cmTarget*> DependTargets;
std::set<cmTarget const*> AllTargets;
std::set<std::string> SeenTargetProperties;
std::map<cmTarget const*, std::map<std::string, std::string> >
MaxLanguageStandard;
cmMakefile *Makefile;
std::string Config;
cmTarget const* HeadTarget; // The target whose property is being evaluated.
cmTarget const* CurrentTarget; // The dependent of HeadTarget which appears
// directly or indirectly in the property.
bool Quiet;
bool HadError;
bool HadContextSensitiveCondition;
bool EvaluateForBuildsystem;
};
struct cmGeneratorExpressionDAGChecker;
struct cmGeneratorExpressionNode;
//----------------------------------------------------------------------------
struct cmGeneratorExpressionEvaluator
{
cmGeneratorExpressionEvaluator() {}
virtual ~cmGeneratorExpressionEvaluator() {}
enum Type
{
Text,
Generator
};
virtual Type GetType() const = 0;
virtual std::string Evaluate(cmGeneratorExpressionContext *context,
cmGeneratorExpressionDAGChecker *) const = 0;
private:
cmGeneratorExpressionEvaluator(const cmGeneratorExpressionEvaluator &);
void operator=(const cmGeneratorExpressionEvaluator &);
};
struct TextContent : public cmGeneratorExpressionEvaluator
{
TextContent(const char *start, size_t length)
: Content(start), Length(length)
{
}
std::string Evaluate(cmGeneratorExpressionContext *,
cmGeneratorExpressionDAGChecker *) const
{
return std::string(this->Content, this->Length);
}
Type GetType() const
{
return cmGeneratorExpressionEvaluator::Text;
}
void Extend(size_t length)
{
this->Length += length;
}
size_t GetLength()
{
return this->Length;
}
private:
const char *Content;
size_t Length;
};
//----------------------------------------------------------------------------
struct GeneratorExpressionContent : public cmGeneratorExpressionEvaluator
{
GeneratorExpressionContent(const char *startContent, size_t length);
void SetIdentifier(std::vector<cmGeneratorExpressionEvaluator*> identifier)
{
this->IdentifierChildren = identifier;
}
void SetParameters(
std::vector<std::vector<cmGeneratorExpressionEvaluator*> > parameters)
{
this->ParamChildren = parameters;
}
Type GetType() const
{
return cmGeneratorExpressionEvaluator::Generator;
}
std::string Evaluate(cmGeneratorExpressionContext *context,
cmGeneratorExpressionDAGChecker *) const;
std::string GetOriginalExpression() const;
~GeneratorExpressionContent();
private:
std::string EvaluateParameters(const cmGeneratorExpressionNode *node,
const std::string &identifier,
cmGeneratorExpressionContext *context,
cmGeneratorExpressionDAGChecker *dagChecker,
std::vector<std::string> ¶meters) const;
std::string ProcessArbitraryContent(
const cmGeneratorExpressionNode *node,
const std::string &identifier,
cmGeneratorExpressionContext *context,
cmGeneratorExpressionDAGChecker *dagChecker,
std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
pit) const;
private:
std::vector<cmGeneratorExpressionEvaluator*> IdentifierChildren;
std::vector<std::vector<cmGeneratorExpressionEvaluator*> > ParamChildren;
const char *StartContent;
size_t ContentLength;
};
#endif
|
