1 | //
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2 | // Cforall Version 1.0.0 Copyright (C) 2023 University of Waterloo
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3 | //
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4 | // The contents of this file are covered under the licence agreement in the
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5 | // file "LICENCE" distributed with Cforall.
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6 | //
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7 | // array-raii-cfa.cfa -- checks RAII on CFA arrays of initialized elements
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8 | //
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9 | // Author : Mike Brooks
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10 | // Created On : Fri Sep 22 15:00:00 2023
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11 | // Last Modified By :
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12 | // Last Modified On :
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13 | // Update Count :
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14 | //
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15 |
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16 | // CFA array means like `array(float, 17) x;`
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17 |
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18 |
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19 | #include <fstream.hfa>
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20 | #include <collections/array.hfa>
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21 |
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22 | #define ADECL1(X, El, N) array(El, N) X;
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23 | #define ADECL2(X, El, M, N) array(El, M, N) X;
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24 |
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25 | #include "array-raii.hfa"
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26 |
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27 | void test_uninit_alt() {
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28 | printf(" [1]\n");
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29 | {
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30 | array(thing, 5) a = { delay_init };
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31 | printf("before ctors\n");
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32 | for(i; 5) {
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33 | if (i == 1)
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34 | (a[i]){}; // no need for `emplace` bc no-arg ctor call means elem's real ctor
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35 | else if (i == 2)
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36 | (a[i]){888};
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37 | else
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38 | (a[i]){i};
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39 | }
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40 | for(i; 5) printf("func %d\n", a[i].mem);
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41 | }
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42 | printf(" [2]\n");
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43 | {
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44 | array(thing, 2, 3) a = { delay_init };
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45 | printf("before ctors\n");
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46 | for(i; 2) for(j; 3) {
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47 | if (i == 1 && j == 1)
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48 | (a[i][j]){};
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49 | else if (i == 1 && j == 2)
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50 | (a[i][j]){888};
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51 | else
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52 | (a[i][j]){100 + 10 * i + j};
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53 | }
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54 | for(i; 2) for(j; 3) {
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55 | printf("func %d at (%d, %d)\n", a[i][j].mem, i, j);
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56 | }
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57 | }
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58 | }
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59 |
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60 | void test_uCxxCheatSheet() {
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61 | struct S {
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62 | int i;
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63 | };
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64 | void ?{}( S & s, int i ) { s.i = i; sout | "ctor" | s.i; }
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65 | void ^?{}( S & s ) { sout | "dtor" | s.i; }
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66 | // int main() {
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67 | enum { N = 5 };
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68 | array(S, N) s = { delay_init }; // no constructor calls
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69 | for ( i; N ) s[i]{ i };
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70 | for ( i; N ) sout | s[i].i;
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71 | // }
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72 | }
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73 |
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74 | void test_extras() {
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75 |
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76 | printf("=== uninit alt ( uArray )\n");
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77 | test_uninit_alt();
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78 |
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79 | printf("=== uC++ cheat sheet\n");
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80 | test_uCxxCheatSheet();
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81 | }
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