| 1 | #!/usr/bin/perl |
1 | #!/usr/bin/perl |
| 2 | |
2 | |
| 3 | print <<EOF; |
3 | print <<EOF; |
| 4 | // THIS IS A GENERATED FILE, RUN callback.pl to regenerate it |
4 | // THIS IS A GENERATED FILE: RUN callback.pl to regenerate it |
| 5 | // THIS IS A GENERATED FILE, RUN callback.pl to regenerate it |
5 | // THIS IS A GENERATED FILE: callback.pl is part of the GVPE |
| 6 | // THIS IS A GENERATED FILE, RUN callback.pl to regenerate it |
6 | // THIS IS A GENERATED FILE: distribution. |
| 7 | // THIS IS A GENERATED FILE, RUN callback.pl to regenerate it |
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| 8 | // THIS IS A GENERATED FILE, RUN callback.pl to regenerate it |
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| 9 | // THIS IS A GENERATED FILE, RUN callback.pl to regenerate it |
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| 10 | |
7 | |
| 11 | /* |
8 | /* |
| 12 | callback.h -- C++ callback mechanism |
9 | callback.h -- C++ callback mechanism |
| 13 | Copyright (C) 2003 Marc Lehmann <pcg\@goof.com> |
10 | Copyright (C) 2003-2006 Marc Lehmann <pcg\@goof.com> |
| 14 | |
11 | |
| 15 | This file is part of GVPE. |
12 | This file is part of GVPE. |
| 16 | |
13 | |
| 17 | GVPE is free software; you can redistribute it and/or modify |
14 | GVPE is free software; you can redistribute it and/or modify |
| 18 | it under the terms of the GNU General Public License as published by |
15 | it under the terms of the GNU General Public License as published by |
| … | |
… | |
| 50 | void *obj; |
47 | void *obj; |
| 51 | R (object::*meth)($TYPE); |
48 | R (object::*meth)($TYPE); |
| 52 | |
49 | |
| 53 | /* a proxy is a kind of recipe on how to call a specific class method */ |
50 | /* a proxy is a kind of recipe on how to call a specific class method */ |
| 54 | struct proxy_base { |
51 | struct proxy_base { |
| 55 | virtual R call (void *obj, R (object::*meth)($TYPE)$_TYPEARG) = 0; |
52 | virtual R call (void *obj, R (object::*meth)($TYPE)$_TYPEARG) const = 0; |
| 56 | }; |
53 | }; |
| 57 | template<class O1, class O2> |
54 | template<class O1, class O2> |
| 58 | struct proxy : proxy_base { |
55 | struct proxy : proxy_base { |
| 59 | virtual R call (void *obj, R (object::*meth)($TYPE)$_TYPEARG) |
56 | virtual R call (void *obj, R (object::*meth)($TYPE)$_TYPEARG) const |
| 60 | { |
57 | { |
| 61 | ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)($TYPE)>(meth))) |
58 | return (R)((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)($TYPE)>(meth))) |
| 62 | ($ARG); |
59 | ($ARG); |
| 63 | } |
60 | } |
| 64 | }; |
61 | }; |
| 65 | |
62 | |
| 66 | proxy_base *prxy; |
63 | proxy_base *prxy; |
| 67 | |
64 | |
| 68 | public: |
65 | public: |
| 69 | template<class O1, class O2> |
66 | template<class O1, class O2> |
| 70 | callback$a (O1 *object, R (O2::*method)($TYPE)) |
67 | explicit callback$a (O1 *object, R (O2::*method)($TYPE)) |
| 71 | { |
68 | { |
| 72 | static proxy<O1,O2> p; |
69 | static proxy<O1,O2> p; |
| 73 | obj = reinterpret_cast<void *>(object); |
70 | obj = reinterpret_cast<void *>(object); |
| 74 | meth = reinterpret_cast<R (object::*)($TYPE)>(method); |
71 | meth = reinterpret_cast<R (object::*)($TYPE)>(method); |
| 75 | prxy = &p; |
72 | prxy = &p; |
