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|---|
| 9132e1a3 |
1 | ################################################################################ |
| 2 | ## |
| 3 | ## $Revision: 2 $ |
| 4 | ## $Author: mhx $ |
| 5 | ## $Date: 2005/01/31 08:10:51 +0100 $ |
| 6 | ## |
| 7 | ################################################################################ |
| 8 | ## |
| 9 | ## Version 3.x, Copyright (C) 2004-2005, Marcus Holland-Moritz. |
| 10 | ## Version 2.x, Copyright (C) 2001, Paul Marquess. |
| 11 | ## Version 1.x, Copyright (C) 1999, Kenneth Albanowski. |
| 12 | ## |
| 13 | ## This program is free software; you can redistribute it and/or |
| 14 | ## modify it under the same terms as Perl itself. |
| 15 | ## |
| 16 | ################################################################################ |
| 17 | |
| 18 | =provides |
| 19 | |
| 20 | dXCPT |
| 21 | XCPT_TRY_START |
| 22 | XCPT_TRY_END |
| 23 | XCPT_CATCH |
| 24 | XCPT_RETHROW |
| 25 | |
| 26 | =implementation |
| 27 | |
| 28 | #ifdef dJMPENV |
| 29 | |
| 30 | # ifndef dXCPT |
| 31 | # define dXCPT dJMPENV; int rEtV = 0 |
| 32 | # define XCPT_TRY_START JMPENV_PUSH(rEtV); if (rEtV == 0) |
| 33 | # define XCPT_TRY_END JMPENV_POP; |
| 34 | # define XCPT_CATCH if (rEtV != 0) |
| 35 | # define XCPT_RETHROW JMPENV_JUMP(rEtV) |
| 36 | # endif |
| 37 | |
| 38 | #else |
| 39 | |
| 40 | # define dXCPT Sigjmp_buf oldTOP; int rEtV = 0 |
| 41 | # define XCPT_TRY_START Copy(top_env, oldTOP, 1, Sigjmp_buf); rEtV = Sigsetjmp(top_env, 1); if (rEtV == 0) |
| 42 | # define XCPT_TRY_END Copy(oldTOP, top_env, 1, Sigjmp_buf); |
| 43 | # define XCPT_CATCH if (rEtV != 0) |
| 44 | # define XCPT_RETHROW Siglongjmp(top_env, rEtV) |
| 45 | |
| 46 | #endif |
| 47 | |
| 48 | =xsmisc |
| 49 | |
| 50 | static void throws_exception(int throw_e) |
| 51 | { |
| 52 | if (throw_e) |
| 53 | croak("boo\n"); |
| 54 | } |
| 55 | |
| 56 | static int exception(int throw_e) |
| 57 | { |
| 58 | dTHR; |
| 59 | dXCPT; |
| 60 | SV *caught = get_sv("Devel::PPPort::exception_caught", 0); |
| 61 | |
| 62 | XCPT_TRY_START { |
| 63 | throws_exception(throw_e); |
| 64 | } XCPT_TRY_END |
| 65 | |
| 66 | XCPT_CATCH |
| 67 | { |
| 68 | sv_setiv(caught, 1); |
| 69 | XCPT_RETHROW; |
| 70 | } |
| 71 | |
| 72 | sv_setiv(caught, 0); |
| 73 | |
| 74 | return 42; |
| 75 | } |
| 76 | |
| 77 | =xsubs |
| 78 | |
| 79 | int |
| 80 | exception(throw_e) |
| 81 | int throw_e |
| 82 | OUTPUT: |
| 83 | RETVAL |
| 84 | |
| 85 | =tests plan => 7 |
| 86 | |
| 87 | my $rv; |
| 88 | |
| 89 | $Devel::PPPort::exception_caught = undef; |
| 90 | |
| 91 | $rv = eval { &Devel::PPPort::exception(0) }; |
| 92 | ok($@, ''); |
| 93 | ok(defined $rv); |
| 94 | ok($rv, 42); |
| 95 | ok($Devel::PPPort::exception_caught, 0); |
| 96 | |
| 97 | $Devel::PPPort::exception_caught = undef; |
| 98 | |
| 99 | $rv = eval { &Devel::PPPort::exception(1) }; |
| 100 | ok($@, "boo\n"); |
| 101 | ok(not defined $rv); |
| 102 | ok($Devel::PPPort::exception_caught, 1); |
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