| 1 | #include <fstream.hfa>
|
|---|
| 2 | #include <stdlib.hfa> // new, delete
|
|---|
| 3 | #include <bits/sequence.hfa>
|
|---|
| 4 |
|
|---|
| 5 | int main() {
|
|---|
| 6 | // Fred test
|
|---|
| 7 |
|
|---|
| 8 | struct Fred {
|
|---|
| 9 | inline Seqable; // Plan 9 inheritance
|
|---|
| 10 | int i;
|
|---|
| 11 | };
|
|---|
| 12 | void ?{}( Fred & fred ) { abort(); }
|
|---|
| 13 | void ?{}( Fred & fred, int p ) with( fred ) {
|
|---|
| 14 | i = p;
|
|---|
| 15 | }
|
|---|
| 16 | Fred *& Back( Fred * n ) {
|
|---|
| 17 | return (Fred *)Back( (Seqable *)n );
|
|---|
| 18 | }
|
|---|
| 19 | Fred *& Next( Fred * n ) {
|
|---|
| 20 | return (Fred *)Next( (Colable *)n );
|
|---|
| 21 | }
|
|---|
| 22 |
|
|---|
| 23 | Sequence(Fred) fred;
|
|---|
| 24 | SeqIter(Fred) iter = { fred };
|
|---|
| 25 | Fred & f;
|
|---|
| 26 |
|
|---|
| 27 | sout | nlOff; // turn off auto newline
|
|---|
| 28 |
|
|---|
| 29 | for ( ; iter | f; ) { // empty list
|
|---|
| 30 | sout | f.i | ' ';
|
|---|
| 31 | }
|
|---|
| 32 | sout | "empty" | nl;
|
|---|
| 33 |
|
|---|
| 34 | for ( i; 10 ) {
|
|---|
| 35 | add( fred, *new( 2 * i ) );
|
|---|
| 36 | }
|
|---|
| 37 |
|
|---|
| 38 | sout | head( fred ).i | tail( fred ).i | nl;
|
|---|
| 39 |
|
|---|
| 40 | for ( SeqIter(Fred) iter = { fred }; iter | f; ) {
|
|---|
| 41 | sout | f.i | ' ';
|
|---|
| 42 | }
|
|---|
| 43 | sout | nl;
|
|---|
| 44 |
|
|---|
| 45 | for ( i; 9 ) {
|
|---|
| 46 | delete( &dropHead( fred ) );
|
|---|
| 47 | }
|
|---|
| 48 |
|
|---|
| 49 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 50 | sout | f.i | ' ';
|
|---|
| 51 | }
|
|---|
| 52 | sout | nl;
|
|---|
| 53 |
|
|---|
| 54 | for ( i; 10 ) {
|
|---|
| 55 | addTail( fred, *new( 2 * i + 1 ) );
|
|---|
| 56 | }
|
|---|
| 57 |
|
|---|
| 58 | Fred * head = new( -1 ), tail = { -2 };
|
|---|
| 59 | addHead( fred, *head );
|
|---|
| 60 | addTail( fred, tail );
|
|---|
| 61 |
|
|---|
| 62 | sout | head( fred ).i | succ( fred, head )->i | tail( fred ).i | nl;
|
|---|
| 63 |
|
|---|
| 64 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 65 | sout | f.i | ' ';
|
|---|
| 66 | }
|
|---|
| 67 | sout | nl;
|
|---|
| 68 |
|
|---|
| 69 | remove( fred, *head );
|
|---|
| 70 | remove( fred, tail );
|
|---|
| 71 | delete( head );
|
|---|
| 72 | delete( &dropTail( fred ) );
|
|---|
| 73 |
|
|---|
| 74 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 75 | sout | f.i | ' ';
|
|---|
| 76 | }
|
|---|
| 77 | sout | nl;
|
|---|
| 78 |
|
|---|
| 79 | for ( i; 5 ) {
|
|---|
| 80 | delete( &dropTail( fred ) );
|
|---|
| 81 | }
|
|---|
| 82 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 83 | sout | f.i | ' ';
|
|---|
| 84 | }
|
|---|
| 85 | sout | nl;
|
|---|
| 86 |
|
|---|
| 87 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 88 | delete( &remove( fred, f ) );
|
|---|
| 89 | }
|
|---|
| 90 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 91 | sout | f.i | ' ';
|
|---|
| 92 | }
|
|---|
| 93 | sout | "empty" | nl;
|
|---|
| 94 |
|
|---|
| 95 | Fred & middle = f;
|
|---|
| 96 | for ( i; 10 ) {
|
|---|
| 97 | addHead( fred, *new( i ) ); // reverse order
|
|---|
| 98 | if ( i == 5 ) {
|
|---|
| 99 | &middle = &head( fred );
|
|---|
| 100 | }
|
|---|
| 101 | }
|
|---|
| 102 | for ( SeqIterRev(Fred) riter = { fred }; riter | f; ) {
|
|---|
| 103 | sout | f.i | ' ';
|
|---|
| 104 | }
|
|---|
| 105 | sout | nl;
|
|---|
| 106 |
|
|---|
| 107 | head = new( -1 );
|
|---|
| 108 | insertBef( fred, *head, head( fred ) );
|
|---|
| 109 | insertAft( fred, *head, tail );
|
|---|
| 110 |
|
|---|
| 111 | sout | head( fred ).i | succ( fred, head )->i | tail( fred ).i | nl;
|
|---|
| 112 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 113 | sout | f.i | ' ';
|
|---|
| 114 | }
|
|---|
| 115 | sout | nl;
|
|---|
| 116 |
|
|---|
| 117 | remove( fred, *head );
|
|---|
| 118 | remove( fred, tail );
|
|---|
| 119 | delete( head );
|
|---|
| 120 | delete( &dropTail( fred ) );
|
|---|
| 121 |
|
|---|
| 122 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 123 | sout | f.i | ' ';
|
|---|
| 124 | }
|
|---|
| 125 | sout | nl;
|
|---|
| 126 |
|
|---|
| 127 | Sequence(Fred) fred2;
|
|---|
| 128 |
|
|---|
| 129 | split( fred2, fred, middle );
|
|---|
| 130 |
|
|---|
| 131 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 132 | sout | f.i | ' ';
|
|---|
| 133 | }
|
|---|
| 134 | sout | nl;
|
|---|
| 135 |
|
|---|
| 136 | for ( over( iter, fred2 ); iter | f; ) {
|
|---|
| 137 | sout | f.i | ' ';
|
|---|
| 138 | }
|
|---|
| 139 | sout | nl;
|
|---|
| 140 |
|
|---|
| 141 | transfer( fred, fred2 );
|
|---|
| 142 |
|
|---|
| 143 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 144 | sout | f.i | ' ';
|
|---|
| 145 | }
|
|---|
| 146 | sout | nl;
|
|---|
| 147 |
|
|---|
| 148 | for ( over( iter, fred ); iter | f; ) {
|
|---|
| 149 | delete( &f );
|
|---|
| 150 | }
|
|---|
| 151 |
|
|---|
| 152 | // Mary test
|
|---|
| 153 |
|
|---|
| 154 | struct Mary {
|
|---|
| 155 | inline Fred; // Plan 9 inheritance
|
|---|
| 156 | int j;
|
|---|
| 157 | };
|
|---|
| 158 | __attribute__((unused))
|
|---|
| 159 | void ?{}( Mary & mary ) { abort(); }
|
|---|
| 160 | void ?{}( Mary & mary, int p ) with( mary ) {
|
|---|
| 161 | ((Fred &)mary){ p };
|
|---|
| 162 | j = p;
|
|---|
| 163 | }
|
|---|
| 164 | Mary *& Back( Mary * n ) {
|
|---|
| 165 | return (Mary *)Back( (Fred *)n );
|
|---|
| 166 | }
|
|---|
| 167 | Mary *& Next( Mary * n ) {
|
|---|
| 168 | return (Mary *)Next( (Fred *)n );
|
|---|
| 169 | }
|
|---|
| 170 |
|
|---|
| 171 | Sequence(Mary) mary;
|
|---|
| 172 | SeqIter(Mary) iter = { mary };
|
|---|
| 173 | Mary & m;
|
|---|
| 174 |
|
|---|
| 175 | for ( ; iter | m; ) { // empty list
|
|---|
| 176 | sout | m.i | m.j | ' ';
|
|---|
| 177 | }
|
|---|
| 178 | sout | "empty" | nl;
|
|---|
| 179 |
|
|---|
| 180 | for ( i; 10 ) {
|
|---|
| 181 | add( mary, *new( 2 * i ) );
|
|---|
| 182 | }
|
|---|
| 183 |
|
|---|
| 184 | sout | head( mary ).i | tail( mary ).i | nl;
|
|---|
| 185 |
|
|---|
| 186 | for ( SeqIter(Mary) iter = { mary }; iter | m; ) {
|
|---|
| 187 | sout | m.i | m.j | ' ';
|
|---|
| 188 | }
|
|---|
| 189 | sout | nl;
|
|---|
| 190 |
|
|---|
| 191 | for ( i; 9 ) {
|
|---|
| 192 | delete( &dropHead( mary ) );
|
|---|
| 193 | }
|
|---|
| 194 |
|
|---|
| 195 | for ( over( iter, mary ); iter | m; ) {
|
|---|
| 196 | sout | m.i | m.j | ' ';
|
|---|
| 197 | }
|
|---|
| 198 | sout | nl;
|
|---|
| 199 |
|
|---|
| 200 | for ( i; 10 ) {
|
|---|
| 201 | addTail( mary, *new( 2 * i + 1 ) );
|
|---|
| 202 | }
|
|---|
| 203 |
|
|---|
| 204 | Mary * head = new( -1 ), tail = { -2 };
|
|---|
| 205 | addHead( mary, *head );
|
|---|
| 206 | addTail( mary, tail );
|
|---|
| 207 |
|
|---|
| 208 | sout | head( mary ).i | succ( mary, head )->i | tail( mary ).i | nl;
|
|---|
| 209 |
|
|---|
| 210 | for ( over( iter, mary ); iter | m; ) {
|
|---|
| 211 | sout | m.i | m.j | ' ';
|
|---|
| 212 | }
|
|---|
| 213 | sout | nl;
|
|---|
| 214 |
|
|---|
| 215 | remove( mary, *head );
|
|---|
| 216 | remove( mary, tail );
|
|---|
| 217 | delete( (Mary *)head );
|
|---|
| 218 | delete( &dropTail( mary ) );
|
|---|
| 219 |
|
|---|
| 220 | for ( over( iter, mary ); iter | m; ) {
|
|---|
| 221 | sout | m.i | m.j | ' ';
|
|---|
| 222 | }
|
|---|
| 223 | sout | nl;
|
|---|
| 224 |
|
|---|
| 225 | for ( i; 5 ) {
|
|---|
| 226 | delete( &dropTail( mary ) );
|
|---|
| 227 | }
|
|---|
| 228 | for ( over( iter, mary ); iter | m; ) {
|
|---|
| 229 | sout | m.i | m.j | ' ';
|
|---|
| 230 | }
|
|---|
| 231 | sout | nl;
|
|---|
| 232 |
|
|---|
| 233 | for ( over( iter, mary ); iter | m; ) {
|
|---|
| 234 | delete( &remove( mary, m ) );
|
|---|
| 235 | }
|
|---|
| 236 | for ( over( iter, mary ); iter | m; ) {
|
|---|
| 237 | sout | m.i | m.j | ' ';
|
|---|
| 238 | }
|
|---|
| 239 | sout | "empty" | nl;
|
|---|
| 240 |
|
|---|
| 241 | Mary & middle = m;
|
|---|
| 242 | for ( i; 10 ) {
|
|---|
| 243 | add( mary, *new( i ) );
|
|---|
| 244 | if ( i == 4 ) {
|
|---|
| 245 | &middle = &tail( mary );
|
|---|
| 246 | }
|
|---|
| 247 | }
|
|---|
| 248 | for ( SeqIter(Mary) iter = { mary }; iter | m; ) {
|
|---|
| 249 | sout | m.i | m.j | ' ';
|
|---|
| 250 | }
|
|---|
| 251 | sout | nl;
|
|---|
| 252 |
|
|---|
| 253 | Sequence(Mary) mary2;
|
|---|
| 254 |
|
|---|
| 255 | split( mary2, mary, middle );
|
|---|
| 256 |
|
|---|
| 257 | for ( over( iter, mary ); iter | m; ) {
|
|---|
| 258 | sout | m.i | m.j | ' ';
|
|---|
| 259 | }
|
|---|
| 260 | sout | nl;
|
|---|
| 261 | for ( over( iter, mary2 ); iter | m; ) {
|
|---|
| 262 | sout | m.i | m.j | ' ';
|
|---|
| 263 | }
|
|---|
| 264 | sout | nl;
|
|---|
| 265 |
|
|---|
| 266 | transfer( mary, mary2 );
|
|---|
| 267 |
|
|---|
| 268 | for ( over( iter, mary ); iter | m; ) {
|
|---|
| 269 | sout | m.i | m.j | ' ';
|
|---|
| 270 | }
|
|---|
| 271 | sout | nl;
|
|---|
| 272 |
|
|---|
| 273 | for ( over( iter, mary ); iter | m; ) {
|
|---|
| 274 | delete( &m );
|
|---|
| 275 | }
|
|---|
| 276 | }
|
|---|