ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since 39d22ef was
accc5dbb,
checked in by Colby Alexander Parsons <caparsons@…>, 4 years ago
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updated other collections to match changes to sequence.hfa
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Property mode set to
100644
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File size:
1.8 KB
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1 | #pragma once |
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2 | #include <stdio.h> // REMOVE THIS AFTER DEBUGGING |
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3 | |
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4 | |
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5 | struct Colable { |
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6 | struct Colable * next; // next node in the list |
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7 | // invariant: (next != 0) <=> listed() |
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8 | }; |
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9 | #ifdef __cforall |
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10 | static inline { |
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11 | // PUBLIC |
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12 | |
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13 | void ?{}( Colable & co ) with( co ) { |
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14 | next = 0p; |
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15 | } // post: ! listed() |
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16 | |
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17 | // return true iff *this is an element of a collection |
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18 | bool listed( Colable & co ) with( co ) { // pre: this != 0 |
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19 | return next != 0p; |
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20 | } |
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21 | |
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22 | Colable & getNext( Colable & co ) with( co ) { |
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23 | return *next; |
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24 | } |
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25 | |
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26 | // PRIVATE |
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27 | |
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28 | Colable *& Next( Colable * cp ) { |
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29 | return cp->next; |
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30 | } |
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31 | |
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32 | // // wrappers to make Collection have T |
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33 | // forall( dtype T ) { |
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34 | // T *& Next( T * n ) { |
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35 | // return (T *)Next( (Colable *)n ); |
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36 | // } |
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37 | |
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38 | // bool listed( T * n ) { |
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39 | // return Next( (Colable *)n ) != 0p; |
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40 | // } |
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41 | // } // distribution |
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42 | } // distribution |
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43 | |
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44 | |
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45 | struct Collection { |
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46 | void * root; // pointer to root element of list |
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47 | }; |
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48 | |
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49 | static inline { |
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50 | // class invariant: root == 0 & empty() | *root in *this |
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51 | void ?{}( Collection &, const Collection & ) = void; // no copy |
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52 | Collection & ?=?( const Collection & ) = void; // no assignment |
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53 | |
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54 | void ?{}( Collection & collection ) with( collection ) { |
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55 | root = 0p; |
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56 | } // post: empty() |
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57 | |
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58 | bool empty( Collection & collection ) with( collection ) { // 0 <=> *this contains no elements |
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59 | return root == 0p; |
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60 | } |
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61 | |
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62 | void * head( Collection & collection ) with( collection ) { |
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63 | return root; |
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64 | } // post: empty() & head() == 0 | !empty() & head() in *this |
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65 | } // distribution |
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66 | |
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67 | |
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68 | struct ColIter { |
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69 | void * curr; // element to be returned by >> |
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70 | }; |
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71 | |
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72 | static inline { |
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73 | void ?{}( ColIter & colIter ) with( colIter ) { |
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74 | curr = 0p; |
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75 | } // post: elts = null |
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76 | |
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77 | forall( dtype T ) { |
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78 | T * Curr( ColIter & ci ) with( ci ) { |
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79 | return (T *)curr; |
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80 | } |
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81 | } // distribution |
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82 | } // distribution |
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83 | #endif |
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