| 1 | #include <fstream.hfa>
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| 2 | #include <stdlib.hfa>
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| 3 | #include <array.hfa>
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| 4 | #include <locale.h> // setlocale
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| 5 |
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| 6 |
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| 7 |
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| 8 |
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| 9 |
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| 10 | forall( [C], [S] ) $\C{// Class size, Students in class}$
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| 11 | struct School {
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| 12 | @array( int, C )@ classIds; $\C{// nested VLAs}$
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| 13 | @array( int, S )@ studentIds;
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| 14 | @array( int, C, S )@ preferences; $\C{// multidimensional}$
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| 15 | };
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| 16 |
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| 17 |
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| 18 |
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| 19 | // TODO: understand (fix?) why these are needed (autogen seems to be failing ... is typeof as struct member nayok?)
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| 20 |
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| 21 | forall( [C], [S] )
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| 22 | void ?{}( School( C, S ) & this ) {}
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| 23 |
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| 24 | forall( [C], [S] )
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| 25 | void ^?{}( School( C, S ) & this ) {}
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| 26 |
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| 27 |
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| 28 |
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| 29 |
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| 30 |
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| 31 |
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| 32 |
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| 33 |
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| 34 |
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| 35 |
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| 36 |
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| 37 |
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| 38 |
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| 39 |
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| 40 | forall( [C], [S] )
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| 41 | void init( @School( C, S ) & classes@, int class, int student, int pref ) with( classes ) {
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| 42 | classIds[class] = class; $\C{// handle dynamic offsets of fields within structure}$
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| 43 | studentIds[student] = student;
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| 44 | preferences[class][student] = pref;
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| 45 | }
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| 46 |
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| 47 |
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| 48 |
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| 49 |
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| 50 |
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| 51 |
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| 52 |
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| 53 |
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| 54 |
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| 55 |
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| 56 |
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| 57 |
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| 58 |
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| 59 |
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| 60 | int main() {
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| 61 | int classes, students;
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| 62 | sin | classes | students;
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| 63 | @School( classes, students ) school;@
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| 64 | int class, student, preference;
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| 65 | // read data into school calling init
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| 66 | // for each student's class/preferences
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| 67 | try {
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| 68 | for ( ) {
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| 69 | sin | class | student | preference;
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| 70 | init( school, class, student, preference );
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| 71 | }
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| 72 | } catch( end_of_file * ) {}
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| 73 | for ( s; students ) {
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| 74 | sout | "student" | s | nonl;
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| 75 | for ( c; classes ) {
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| 76 | sout | school.preferences[c][s] | nonl;
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| 77 | }
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| 78 | sout | nl;
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| 79 | }
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| 80 | }
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| 81 |
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| 82 |
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| 83 |
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| 84 | /*
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| 85 | $\$$ cat school1
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| 86 | 2 2
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| 87 | 0 0 1
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| 88 | 1 0 7
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| 89 | 0 1 12
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| 90 | 1 1 13
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| 91 | $\$$ a.out < school1
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| 92 | student 0 1 7
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| 93 | student 1 12 13
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| 94 |
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| 95 | $\$$ cat school2
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| 96 | 3 3
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| 97 | 0 0 1
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| 98 | 1 0 7
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| 99 | 2 0 8
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| 100 | 0 1 12
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| 101 | 1 1 13
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| 102 | 2 1 14
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| 103 | 0 2 26
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| 104 | 1 2 27
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| 105 | 2 2 28
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| 106 | $\$$ a.out < school2
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| 107 | student 0 1 7 8
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| 108 | student 1 12 13 14
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| 109 | student 2 26 27 28
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| 110 | */
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| 111 |
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| 112 | // Local Variables: //
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| 113 | // compile-command: "sed -f sedcmd hello-accordion.cfa > ../build/tmp.cfa; cfa ../build/tmp.cfa -Wall -Wextra" //
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| 114 | // End: //
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