ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumwith_gc
Last change
on this file since e982385 was
ca26509,
checked in by Peter A. Buhr <pabuhr@…>, 8 years ago
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relocate and delete example programs under Test directory to test/examples directories
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-
Property mode set to
100644
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File size:
1.8 KB
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1 | // I Compile-time resolution |
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2 | // ========================= |
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3 | // |
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4 | // 1. an isolated name, where the argument is implicitly determined by the result context |
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5 | // |
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6 | // @max |
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7 | // |
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8 | // 2. a direct application to a manifest otype |
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9 | // |
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10 | // @max( int ) |
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11 | // |
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12 | // 3. constraining a otype variable; the application is implicitly performed at the call site as in (2) |
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13 | // |
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14 | // forall( otype T | { T @max( T ); } ) T x( T t ); |
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15 | // |
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16 | // |
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17 | // II Run-time resolution |
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18 | // ====================== |
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19 | // |
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20 | // 1. an indirect reference, where the argument is implicitly determined by the result context |
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21 | // |
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22 | // attr_var = &@max; |
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23 | // x = (*attr_var); |
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24 | // |
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25 | // 2. an indirect application to a manifest otype |
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26 | // |
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27 | // (*attr_var)( int ) |
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28 | // |
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29 | // 3. a direct application to a otype variable |
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30 | // |
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31 | // @max( T ) |
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32 | // |
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33 | // Under what circumstances can this be done at compile/link time? |
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34 | // |
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35 | // |
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36 | // III Declaration forms |
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37 | // ===================== |
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38 | // |
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39 | // 1. monomorphic with implicit argument |
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40 | // |
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41 | // int @max; |
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42 | // |
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43 | // 2. monomorphic with explicit argument |
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44 | // |
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45 | // int @max( int ); |
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46 | // |
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47 | // 3. polymorphic |
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48 | // |
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49 | // forall( otype T | constraint( T ) ) int @attr( T ); |
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50 | |
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51 | int @max = 3; |
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52 | |
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53 | int main() { |
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54 | int x; |
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55 | otype @otype(otype t); // compiler intrinsic |
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56 | otype @widest(otype t); |
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57 | @otype(x) *y; // gcc: otypeof(x) *y; |
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58 | // const @widest(double) *w; // gcc: const otypeof(x) *w; |
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59 | // * @otype(3 + 4) z; // cfa declaration syntax |
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60 | y = @max; |
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61 | z = @max(x) + @size(int); |
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62 | y = @min(3 + 4); |
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63 | if ( @const(x) ) { } |
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64 | if ( @volatile(y) ) { } |
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65 | if ( @extern(y) ) { } |
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66 | if ( @static(y) ) { } |
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67 | @max; |
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68 | } |
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69 | |
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70 | int @foo(int) { |
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71 | return 7; |
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72 | } |
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73 | |
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74 | int @voon; |
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75 | double @voon; |
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76 | |
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77 | int @bort(int); |
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78 | int @bort(double); |
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79 | |
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80 | void g( int ); |
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81 | |
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82 | void f() { |
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83 | float x; |
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84 | double x; |
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85 | @bort(x); |
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86 | @bort(int); |
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87 | g( @voon ); |
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88 | } |
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89 | |
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90 | // Local Variables: // |
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91 | // tab-width: 4 // |
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92 | // End: // |
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