Last change
on this file since 151c8db was
4c80a75,
checked in by Peter A. Buhr <pabuhr@…>, 6 years ago
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update evaluation programs
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-
Property mode set to
100644
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File size:
1013 bytes
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1 | #include <stdlib> |
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2 | #include "cfa-stack.h" |
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3 | |
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4 | forall( otype T ) { |
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5 | struct node { |
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6 | T value; |
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7 | node(T) * next; |
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8 | }; |
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9 | |
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10 | void ?{}( stack(T) & s, stack(T) t ) { // copy |
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11 | node(T) ** cr = &s.head; |
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12 | for ( node(T) * nx = t.head; nx; nx = nx->next ) { |
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13 | *cr = alloc(); |
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14 | ((*cr)->value){ nx->value }; |
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15 | cr = &(*cr)->next; |
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16 | } |
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17 | *cr = 0; |
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18 | } |
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19 | |
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20 | void clear( stack(T) & s ) with( s ) { |
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21 | for ( node(T) * nx = head; nx; ) { |
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22 | node(T) * cr = nx; |
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23 | nx = cr->next; |
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24 | ^(*cr){}; |
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25 | free( cr ); |
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26 | } |
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27 | head = 0; |
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28 | } |
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29 | |
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30 | void ?{}( stack(T) & s ) { (s.head){ 0 }; } |
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31 | void ^?{}( stack(T) & s) { clear( s ); } |
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32 | |
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33 | stack(T) ?=?( stack(T) & s, stack(T) t ) { |
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34 | if ( s.head == t.head ) return s; |
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35 | clear( s ); |
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36 | s{ t }; |
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37 | return s; |
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38 | } |
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39 | |
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40 | _Bool empty( const stack(T) & s ) { |
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41 | return s.head == 0; |
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42 | } |
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43 | |
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44 | void push( stack(T) & s, T value ) with( s ) { |
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45 | node(T) * n = alloc(); |
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46 | (*n){ value, head }; |
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47 | head = n; |
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48 | } |
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49 | |
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50 | T pop( stack(T) & s ) with( s ) { |
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51 | node(T) * n = head; |
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52 | head = n->next; |
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53 | T v = n->value; |
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54 | ^(*n){}; |
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55 | free( n ); |
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56 | return v; |
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57 | } |
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58 | } |
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