1FFI::Probe(3)         User Contributed Perl Documentation        FFI::Probe(3)
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NAME

6       FFI::Probe - System detection and probing for FFI extensions.
7

VERSION

9       version 1.56
10

SYNOPSIS

12        use FFI::Probe;
13
14        my $probe = FFI::Probe->new;
15        $probe->check_header('foo.h');
16        ...
17

DESCRIPTION

19       This class provides an interface for probing for system capabilities.
20       It is used internally as part of the FFI::Platypus build process, but
21       it may also be useful for extensions that use Platypus as well.
22

CONSTRUCTOR

24   new
25        my $probe = FFI::Probe->new(%args);
26
27       Creates a new instance.
28
29       log Path to a log or file handle to write to.
30
31       data_filename
32           Path to a file which will be used to store/cache results.
33

METHODS

35   check_header
36        my $bool = $probe->check_header($header);
37
38       Checks that the given C header file is available.  Stores the result,
39       and returns a true/false value.
40
41   check_cpp
42   check_eval
43        my $bool = $probe>check_eval(%args);
44
45       headers
46           Any additional headers.
47
48       decl
49           Any C declarations that need to be made before the "dlmain"
50           function.
51
52       stmt
53           Any C statements that should be made before the evaluation.
54
55       eval
56           Any evaluations that should be returned.
57
58   check
59   check_type_int
60        my $type = $probe->check_type_int($type);
61
62   check_type_enum
63        my $type = $probe->check_type_enum;
64
65   check_type_enum
66        my $type = $probe->check_type_enum;
67
68   check_type_float
69        my $type = $probe->check_type_float($type);
70
71   check_type_pointer
72        my $type = $probe->check_type_pointer;
73
74   set
75        $probe->set(@key, $value);
76
77       Used internally to store a value.
78
79   save
80        $probe->save;
81
82       Saves the values already detected.
83
84   data
85        my $data = $probe->data;
86
87       Returns a hashref of the data already detected.
88
89   log
90        $probe->log($string);
91
92       Sends the given string to the log.
93
94   log_code
95        $prbe->log_code($string);
96
97       Sends the given multi-line code block to the log.
98
99   template
100        my $template = $probe->template;
101
102       Returns the C code template used for "check_eval" and other "check_"
103       methods.
104

AUTHOR

106       Author: Graham Ollis <plicease@cpan.org>
107
108       Contributors:
109
110       Bakkiaraj Murugesan (bakkiaraj)
111
112       Dylan Cali (calid)
113
114       pipcet
115
116       Zaki Mughal (zmughal)
117
118       Fitz Elliott (felliott)
119
120       Vickenty Fesunov (vyf)
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122       Gregor Herrmann (gregoa)
123
124       Shlomi Fish (shlomif)
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126       Damyan Ivanov
127
128       Ilya Pavlov (Ilya33)
129
130       Petr Písař (ppisar)
131
132       Mohammad S Anwar (MANWAR)
133
134       Håkon Hægland (hakonhagland, HAKONH)
135
136       Meredith (merrilymeredith, MHOWARD)
137
138       Diab Jerius (DJERIUS)
139
140       Eric Brine (IKEGAMI)
141
142       szTheory
143
144       José Joaquín Atria (JJATRIA)
145
146       Pete Houston (openstrike, HOUSTON)
147

149       This software is copyright (c) 2015,2016,2017,2018,2019,2020 by Graham
150       Ollis.
151
152       This is free software; you can redistribute it and/or modify it under
153       the same terms as the Perl 5 programming language system itself.
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157perl v5.34.0                      2021-10-29                     FFI::Probe(3)
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