blob: a023eb0c9a9c73b805416bafde3f82fda8911544 (
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
|
/*============================================================================
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.
============================================================================*/
#include "cmStandardIncludes.h"
#include <stack>
#include <cmsys/RegularExpression.hxx>
class cmTarget;
class cmMakefile;
class cmListFileBacktrace;
/** \class cmGeneratorExpression
* \brief Evaluate generate-time query expression syntax.
*
* cmGeneratorExpression instances are used by build system generator
* implementations to evaluate the $<> generator expression syntax.
* Generator expressions are evaluated just before the generate step
* writes strings into the build system. They have knowledge of the
* build configuration which is not available at configure time.
*/
class cmGeneratorExpression
{
public:
/** Construct with an evaluation context and configuration. */
cmGeneratorExpression(cmMakefile* mf, const char* config,
cmListFileBacktrace const& backtrace,
bool quiet = false);
/** Evaluate generator expressions in a string. */
const char* Process(std::string const& input);
const char* Process(const char* input);
/** Get set of targets found during evaluations. */
std::set<cmTarget*> const& GetTargets() const
{ return this->Targets; }
private:
cmMakefile* Makefile;
const char* Config;
cmListFileBacktrace const& Backtrace;
bool Quiet;
std::vector<char> Data;
std::stack<size_t> Barriers;
cmsys::RegularExpression TargetInfo;
cmsys::RegularExpression TestConfig;
std::set<cmTarget*> Targets;
bool Evaluate();
bool Evaluate(const char* expr, std::string& result);
bool EvaluateTargetInfo(std::string& result);
};
|
