1 | # |
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2 | # RTEMS Tools Project (http://www.rtems.org/) |
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3 | # Copyright 2010-2016 Chris Johns (chrisj@rtems.org) |
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4 | # All rights reserved. |
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5 | # |
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6 | # This file is part of the RTEMS Tools package in 'rtems-tools'. |
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7 | # |
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8 | # Redistribution and use in source and binary forms, with or without |
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9 | # modification, are permitted provided that the following conditions are met: |
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10 | # |
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11 | # 1. Redistributions of source code must retain the above copyright notice, |
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12 | # this list of conditions and the following disclaimer. |
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13 | # |
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14 | # 2. Redistributions in binary form must reproduce the above copyright notice, |
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15 | # this list of conditions and the following disclaimer in the documentation |
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16 | # and/or other materials provided with the distribution. |
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17 | # |
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18 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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19 | # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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20 | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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21 | # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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22 | # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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23 | # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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24 | # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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25 | # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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26 | # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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27 | # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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28 | # POSSIBILITY OF SUCH DAMAGE. |
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29 | # |
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30 | |
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31 | # |
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32 | # Various errors we can raise. |
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33 | # |
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34 | |
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35 | from __future__ import print_function |
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36 | |
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37 | class error(Exception): |
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38 | """Base class for Builder exceptions.""" |
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39 | def set_output(self, msg): |
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40 | self.msg = msg |
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41 | def __str__(self): |
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42 | return self.msg |
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43 | |
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44 | class general(error): |
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45 | """Raise for a general error.""" |
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46 | def __init__(self, what): |
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47 | self.set_output('error: ' + what) |
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48 | |
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49 | class internal(error): |
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50 | """Raise for an internal error.""" |
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51 | def __init__(self, what): |
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52 | self.set_output('internal error: ' + what) |
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53 | |
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54 | class exit(error): |
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55 | """Raise for to exit.""" |
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56 | def __init__(self): |
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57 | pass |
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58 | |
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59 | if __name__ == '__main__': |
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60 | try: |
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61 | raise general('a general error') |
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62 | except general as gerr: |
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63 | print('caught:', gerr) |
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64 | try: |
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65 | raise internal('an internal error') |
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66 | except internal as ierr: |
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67 | print('caught:', ierr) |
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