ADT
aaron-thesis
arm-eh
ast-experimental
cleanup-dtors
ctor
deferred_resn
demangler
enum
forall-pointer-decay
gc_noraii
jacob/cs343-translation
jenkins-sandbox
memory
new-ast
new-ast-unique-expr
new-env
no_list
persistent-indexer
pthread-emulation
qualifiedEnum
resolv-new
string
with_gc
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Last change
on this file since 3cfe27f was 68cd1ce, checked in by Peter A. Buhr <pabuhr@…>, 10 years ago |
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unify and fix storage class
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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 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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| 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 | type @type(type t); // compiler intrinsic
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| 56 | type @widest(type t);
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| 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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| 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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