ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsctordeferred_resndemanglerenumforall-pointer-decaygc_noraiijacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change
on this file since be945ac was
68cd1ce,
checked in by Peter A. Buhr <pabuhr@…>, 9 years ago
|
unify and fix storage class
|
-
Property mode set to
100644
|
File size:
1.8 KB
|
Rev | Line | |
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[68cd1ce] | 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 type |
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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 type variable; the application is implicitly performed at the call site as in (2) |
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| 13 | // |
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| 14 | // forall( type 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 type |
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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 type 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( type T | constraint( T ) ) int @attr( T ); |
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| 50 | |
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[51b7345] | 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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[68cd1ce] | 55 | type @type(type t); // compiler intrinsic |
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[51b7345] | 56 | type @widest(type t); |
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[68cd1ce] | 57 | @type(x) *y; // gcc: typeof(x) *y; |
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| 58 | const @widest(double) *w; // gcc: const typeof(x) *w; |
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| 59 | * @type(3 + 4) z; // cfa declaration syntax |
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[51b7345] | 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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[8a95629] | 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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