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 c20b0fea was
4d5e57b,
checked in by Rob Schluntz <rschlunt@…>, 7 years ago
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Prevent implicit conversion of void * to other pointer type for parameter passing
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-
Property mode set to
100644
|
File size:
705 bytes
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Line | |
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1 | void foo(int *) {} |
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2 | void bar(void *) {} |
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3 | forall(otype T) void baz(T *); |
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4 | forall(dtype T) void qux(T *); |
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5 | forall(dtype T | sized(T)) void quux(T *); |
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6 | |
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7 | struct A; // incomplete |
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8 | struct B {}; // complete |
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9 | |
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10 | int main() { |
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11 | int *i; |
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12 | void *v; |
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13 | |
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14 | A * x; |
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15 | A * y; |
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16 | B * x; |
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17 | B * z; |
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18 | |
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19 | // okay |
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20 | *i; |
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21 | *x; // picks B |
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22 | *z; |
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23 | foo(i); |
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24 | bar(i); |
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25 | baz(i); |
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26 | qux(i); |
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27 | quux(i); |
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28 | |
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29 | bar(v); |
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30 | qux(v); |
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31 | |
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32 | // bad |
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33 | *v; |
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34 | *y; |
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35 | foo(v); |
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36 | baz(v); |
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37 | quux(v); |
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38 | } |
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39 | |
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40 | |
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41 | forall(otype T) |
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42 | void baz(T * x) { |
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43 | // okay |
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44 | bar(x); |
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45 | baz(x); |
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46 | qux(x); |
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47 | quux(x); |
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48 | *x; |
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49 | } |
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50 | |
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51 | forall(dtype T) |
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52 | void qux(T * y) { |
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53 | // okay |
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54 | bar(y); |
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55 | qux(y); |
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56 | |
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57 | // bad |
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58 | baz(y); |
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59 | quux(y); |
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60 | *y; |
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61 | } |
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62 | |
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63 | forall(dtype T | sized(T)) |
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64 | void quux(T * z) { |
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65 | // okay |
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66 | bar(z); |
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67 | qux(z); |
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68 | quux(z); |
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69 | *z; |
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70 | |
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71 | // bad |
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72 | baz(z); |
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73 | } |
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