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annotate examples/unwinddemo.cc @ 18840:4a4edf0f2077 nkf-ready

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fix LLVM 3.4 build (bug #41061) * configure.ac: Call new functions OCTAVE_LLVM_RAW_FD_OSTREAM_API and OCTAVE_LLVM_LEGACY_PASSMANAGER_API, check for Verifier.h header file * m4/acinclude.m4 (OCTAVE_LLVM_RAW_FD_OSTREAM_API): New function to detect correct raw_fd_ostream API * m4/acinclude.m4 (OCTAVE_LLVM_LEGACY_PASSMANAGER_API): New function to detect legacy passmanager API * libinterp/corefcn/jit-util.h: Use legacy passmanager namespace if necessary * libinterp/corefcn/pt-jit.h (class tree_jit): Use legacy passmanager class if necessary * libinterp/corefcn/pt-jit.cc: Include appropriate header files * libinterp/corefcn/pt-jit.cc (tree_jit::initialize): Use legacy passmanager if necessary * libinterp/corefcn/pt-jit.cc (tree_jit::optimize): Use correct API * libinterp/corefcn/jit-typeinfo.cc: Include appropriate header file
author Stefan Mahr <dac922@gmx.de>
date Sun, 11 May 2014 02:28:33 +0200
parents be41c30bcb44
children
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1 #include <octave/oct.h>
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2 #include <octave/unwind-prot.h>
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3
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4 void
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5 my_err_handler (const char *fmt, ...)
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6 {
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7 // Do nothing!!
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8 }
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9
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10 DEFUN_DLD (unwinddemo, args, nargout, "Unwind Demo")
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11 {
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12 octave_value retval;
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13 int nargin = args.length ();
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14
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15 if (nargin < 2)
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16 print_usage ();
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17 else
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18 {
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19 NDArray a = args(0).array_value ();
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20 NDArray b = args(1).array_value ();
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21
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22 if (! error_state)
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23 {
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24 // Declare unwind_protect frame which lasts as long as
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25 // the variable frame has scope.
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26 unwind_protect frame;
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27 frame.protect_var (current_liboctave_warning_handler);
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28
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29 set_liboctave_warning_handler (my_err_handler);
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30 retval = octave_value (quotient (a, b));
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31 }
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32 }
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33 return retval;
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34 }