ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change
on this file since ab3251e was
604e76d,
checked in by Peter A. Buhr <pabuhr@…>, 7 years ago
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initial setup for general and concurrency papers
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-
Property mode set to
100644
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File size:
1.1 KB
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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) struct stack_node { |
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5 | T value; |
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6 | stack_node(T)* next; |
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7 | }; |
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8 | |
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9 | forall(otype T) void ?{}(stack(T)* s) { (&s->head){ 0 }; } |
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10 | |
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11 | forall(otype T) void ?{}(stack(T)* s, stack(T) t) { |
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12 | stack_node(T)** crnt = &s->head; |
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13 | for ( stack_node(T)* next = t.head; next; next = next->next ) { |
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14 | *crnt = ((stack_node(T)*)malloc()){ next->value }; /***/ |
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15 | stack_node(T)* acrnt = *crnt; |
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16 | crnt = &acrnt->next; |
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17 | } |
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18 | *crnt = 0; |
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19 | } |
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20 | |
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21 | forall(otype T) stack(T) ?=?(stack(T)* s, stack(T) t) { |
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22 | if ( s->head == t.head ) return *s; |
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23 | clear(s); |
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24 | s{ t }; |
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25 | return *s; |
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26 | } |
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27 | |
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28 | forall(otype T) void ^?{}(stack(T)* s) { clear(s); } |
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29 | |
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30 | forall(otype T) _Bool empty(const stack(T)* s) { return s->head == 0; } |
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31 | |
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32 | forall(otype T) void push(stack(T)* s, T value) { |
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33 | s->head = ((stack_node(T)*)malloc()){ value, s->head }; /***/ |
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34 | } |
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35 | |
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36 | forall(otype T) T pop(stack(T)* s) { |
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37 | stack_node(T)* n = s->head; |
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38 | s->head = n->next; |
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39 | T x = n->value; |
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40 | ^n{}; |
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41 | free(n); |
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42 | return x; |
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43 | } |
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44 | |
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45 | forall(otype T) void clear(stack(T)* s) { |
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46 | for ( stack_node(T)* next = s->head; next; ) { |
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47 | stack_node(T)* crnt = next; |
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48 | next = crnt->next; |
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49 | delete(crnt); |
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50 | } |
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51 | s->head = 0; |
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52 | } |
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