ADTast-experimentalenumpthread-emulationqualifiedEnum
Last change
on this file since 804bf677 was
804bf677,
checked in by Michael Brooks <mlbrooks@…>, 3 years ago
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String hybrid: Basic cases of solo alloc now working
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-
Property mode set to
100644
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File size:
1.4 KB
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1 | #include <string.hfa> |
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2 | #include <string_sharectx.hfa> |
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3 | #include <string_res.hfa> |
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4 | |
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5 | void baseline() { |
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6 | string x = "hi"; |
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7 | |
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8 | string y = x; // construct y in same context, no write yet => no copy yet |
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9 | assert( y.inner->Handle.s == x.inner->Handle.s); |
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10 | sout | y; // hi |
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11 | |
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12 | x = "bye"; |
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13 | y = x; // y in same context, no write yet => no copy yet |
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14 | assert( y.inner->Handle.s == x.inner->Handle.s); |
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15 | sout | y; // bye |
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16 | } |
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17 | |
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18 | void eagerCopy() { |
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19 | string x = "hi"; |
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20 | string_sharectx c = { NEW_SHARING }; |
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21 | |
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22 | string y = x; // construct y in different context => eager copy |
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23 | assert( y.inner->Handle.s != x.inner->Handle.s); |
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24 | sout | y; // hi |
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25 | |
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26 | x = "bye"; |
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27 | y = x; // y was already in different context => eager copy |
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28 | assert( y.inner->Handle.s != x.inner->Handle.s); |
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29 | sout | y; // bye |
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30 | } |
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31 | |
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32 | void soloAlloc() { |
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33 | string x = "hi"; |
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34 | string_sharectx c = { NO_SHARING }; |
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35 | |
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36 | string y = x; // y allocates into private pad, implying eager copy |
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37 | assert( y.inner->Handle.s != x.inner->Handle.s); |
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38 | sout | y; // hi |
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39 | |
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40 | // -- following hits "need to implement actual growth" |
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41 | // and it passes if I modify string_res.cfa to oversize the owned heaps |
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42 | |
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43 | // x = "bye"; |
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44 | // y = x; // into private y => eager copy |
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45 | // assert( y.inner->Handle.s != x.inner->Handle.s); |
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46 | // sout | y; // bye |
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47 | } |
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48 | |
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49 | |
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50 | int main() { |
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51 | baseline(); |
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52 | eagerCopy(); |
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53 | soloAlloc(); |
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54 | printf("done\n"); |
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55 | } |
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