source: tests/forall.cfa@ 4ac0949

Last change on this file since 4ac0949 was aca0d2f, checked in by Peter A. Buhr <pabuhr@…>, 3 years ago

make anonymous struct declaration static
  • Property mode set to 100644
File size: 4.9 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// forall.cfa --
8//
9// Author : Peter A. Buhr
10// Created On : Wed May 9 08:48:15 2018
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Thu Feb 23 20:29:59 2023
13// Update Count : 91
14//
15
16#include <fstream.hfa>
17
18void g1() {
19 forall( T ) T f( T p ) { sout | 'f'; return p; };
20 void f( int p ) { sout | p; };
21 void g( void ) { sout | 'g'; };
22 void h( void (*p)(void) ) { p(); };
23
24 int x = 1;
25 void (*y)(void) = g;
26 char z = 'a';
27 float w = 3.5;
28
29 f( x );
30 f( y );
31 f( z );
32 f( w );
33 h( y );
34 f( y );
35 h( f( y ) );
36}
37
38void g2() {
39 forall( T ) void f( T, T ) { sout | "fT"; }
40 forall( T, U ) void f( T, U ) { sout | "fTU"; }
41
42 int x;
43 float y;
44 int * z;
45 float * w;
46
47 f( x, x );
48 f( y, y );
49 f( w, w );
50 f( x, y );
51 f( z, w );
52 f( x, z );
53}
54
55// commented this out since it is not clearly meaningful
56// and not really representable in the ast
57// typedef forall ( T ) int (* f)( int );
58
59forall( T )
60void swap( T & left, T & right ) { // by reference
61 T temp = left;
62 left = right;
63 right = temp;
64}
65
66forall( T )
67[ T, T ] swap( T i, T j ) { // by value
68 return [ j, i ];
69}
70
71forall( T ) trait sumable {
72 void ?{}( T &, zero_t ); // 0 literal constructor
73 T ?+?( T, T ); // assortment of additions
74 T ?+=?( T &, T );
75 T ++?( T & );
76 T ?++( T & );
77}; // sumable
78
79forall( T | sumable( T ) ) // use trait
80T sum( size_t size, T a[] ) {
81 T total = 0; // initialize by 0 constructor
82 for ( size_t i = 0; i < size; i += 1 )
83 total = total + a[i]; // select appropriate +
84 return total;
85} // sum
86
87forall( T | { T ?+?( T, T ); T ?++( T & ); [T] ?+=?( T &, T ); } )
88T twice( T t ) {
89 return t + t;
90}
91
92forall( T | { int ?<?(T, T); } )
93T min( T t1, T t2 ) {
94 return t1 < t2 ? t1 : t2;
95}
96
97void fred() {
98 int x = 1, y = 2, a[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
99 float f;
100
101 sout | x | y;
102 swap( x, y );
103 sout | x | y | nl | swap( x, y );
104 // [ x, y ] = swap( y, x );
105 sout | twice( ' ' ) | ' ' | twice( 0hh ) | twice( 1h ) | twice( 0n ) | twice( 2 )
106 | twice( 3.2f ) | twice( 3.2 ) | twice( 3.2d ) | twice( 3.2+1.5i ) | twice( x );
107 f = min( 4.0, 3.0 );
108 sout | f | min( 4.0, 3.0 );
109 sout | sum( 10, a );
110}
111
112// Multiple forall
113forall( T ) forall( S ) struct { int i; };
114forall( T ) struct { int i; } forall( S );
115struct { int i; } forall( T ) forall( S );
116forall( W ) struct { int i; } forall( T ) forall( S );
117
118// Distribution
119struct P { int i; };
120forall( T ) struct Q { T i; };
121forall( T ) struct { int i; };
122struct KK { int i; };
123inline static {
124 void RT1() {}
125}
126forall( T ) {
127 T RT2( T ) {
128 typedef int TD1;
129 struct S1 { T t; };
130 }
131 forall( X ) {
132 typedef int TD2;
133 struct S2 {};
134 X RT2( T, X ) {
135 int TD2;
136 }
137 }
138 extern "C" {
139 forall( W ) {
140 W RT3( W ) {}
141 struct S3 {};
142 }
143 }
144 void RT4() {
145 forall( W ) struct S4 {};
146 typedef int TD3;
147 }
148 static {
149 struct S5 {};
150 void RT5( T ) {
151 struct S6 {};
152 int TD2;
153 }
154 }
155 struct S7 {};
156 typedef int TD4;
157}
158TD2 t2;
159TD4 t4;
160struct Q( int ) t;
161struct S2( int, int ) t;
162struct S5( int ) t;
163struct S7( int ) t;
164
165int i = RT2( 3 );
166double j = RT2( 3, 4.5 );
167
168static inline {
169 forall( T ) {
170 int RT6( T p );
171 }
172 forall( T, U ) {
173 int RT7( T, U );
174 }
175}
176static forall( T ) {
177 int RT8( T );
178}
179forall( T ) inline static {
180 int RT9( T ) { T t; return 3; }
181}
182
183forall( T | { T ?+?( T, T ); } ) {
184 forall( S | { T ?+?( T, S ); } ) {
185 forall( W ) T bar( T t, S s ) { return t + s; }
186 forall( W | { W ?+?( T, W ); } ) W baz( T t, S s, W w ) { return t + s + w; }
187 struct W { T t; } (int,int) ww;
188 struct P pp;
189 }
190}
191
192forall( T | { T ?+?( T, T ); } ) forall( S | { T ?+?( T, S ); } )
193struct XW { T t; };
194XW(int,int) xww;
195
196forall( T ) struct S { T t; } (int) x, y, z;
197static forall( T ) struct { T t; } (int) a, b, c;
198
199forall( T ) static forall( S ) {
200 forall( X ) struct U {
201 T x;
202 };
203}
204
205forall( T ) {
206// extern "C" {
207 struct SS { T t; };
208 T foo( T p ) { return p; }
209// }
210}
211
212SS(int) s;
213W(int,int) w;
214
215void jane() {
216// int j = bar( 3, 4 );
217 int k = baz( 3, 4, 5 );
218 int i = foo( 3 );
219 sout | k | i;
220}
221
222forall( T ) void check_otype() {
223 T & tr = *0p;
224 T * tp = 0p;
225
226 &tr += 1;
227 tp += 1;
228 T & tx = tp[1];
229
230 T t;
231 T t2 = t;
232 sout | &tr | tp;
233}
234
235forall( T * ) void check_dstype() {
236 T & tr = *0p;
237 T * tp = 0p;
238
239 &tr += 1;
240 tp += 1;
241 T & tx = tp[1];
242}
243
244forall( T & ) void check_dtype() {
245 T & tr = *0p;
246 T * tp = 0p;
247}
248
249//otype T1 | { void xxx( T1 ); };
250
251// otype T1 | { void ?{}( T1 &, zero_t ); T1 ?+?(T1, T1); T1 ?++(T1); [T1] ?+=?(T1,T1); },
252// T2(otype P1, otype P2 ),
253// T3 | sumable(T3);
254
255//otype T2(otype P1, otype P2) | sumable( T2( P1,P2 ) ) = struct { P1 i; P2 j; };
256
257// T2(int, int) w1;
258// typedef T2(int, int) w2;
259// w2 g2;
260// otype w3 = T2(int, int);
261// w3 g3;
262
263int main( void ) {
264 g1();
265 g2();
266 fred();
267 jane();
268}
269
270// Local Variables: //
271// tab-width: 4 //
272// compile-command: "cfa forall.cfa" //
273// End: //
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