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1 "{ Package: 'squeak:petitparser' }" |
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2 |
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3 Object subclass:#PPFailure |
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4 instanceVariableNames:'message position' |
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5 classVariableNames:'' |
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6 poolDictionaries:'' |
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7 category:'PetitParser-Core' |
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8 ! |
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9 |
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10 PPFailure comment:'The failure object in PetitParser. It is the only class that responds to #isPetitFailure with true. It contains an error message and a position of the occurrence of the failure. |
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11 Instance Variables: |
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12 message <String> The error message of this failure. |
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13 position <Integer> The position of this failure in the input stream. |
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14 ' |
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15 ! |
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16 |
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17 |
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18 !PPFailure class methodsFor:'instance creation'! |
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19 |
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20 message: aString at: anInteger |
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21 ^ self basicNew initializeMessage: aString at: anInteger |
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22 ! ! |
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23 |
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24 !PPFailure methodsFor:'accessing'! |
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25 |
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26 message |
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27 "Answer a human readable error message of this parse failure." |
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28 |
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29 ^ message |
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30 ! |
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31 |
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32 position |
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33 "Answer the position in the source string that caused this parse failure." |
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34 |
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35 ^ position |
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36 ! ! |
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37 |
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38 !PPFailure methodsFor:'initialization'! |
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39 |
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40 initializeMessage: aString at: anInteger |
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41 message := aString. |
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42 position := anInteger |
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43 ! ! |
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44 |
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45 !PPFailure methodsFor:'printing'! |
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46 |
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47 printOn: aStream |
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48 aStream nextPutAll: self message; nextPutAll: ' at '; print: position |
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49 ! ! |
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50 |
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51 !PPFailure methodsFor:'testing'! |
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52 |
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53 isPetitFailure |
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54 "I am the only class that should implement this method to return true." |
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55 |
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56 ^ true |
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57 ! ! |
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58 |
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59 !PPFailure class methodsFor:'documentation'! |
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60 |
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61 version_SVN |
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62 ^ '$Id: PPFailure.st,v 1.1 2011-08-18 18:56:17 cg Exp $' |
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63 ! ! |