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Aminet 24 (1998)(GTI - Schatztruhe)[!][Apr 1998].iso
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array.c
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C/C++ Source or Header
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1986-10-19
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1KB
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66 lines
/*
Little Smalltalk
Array creation
timothy a. budd 10/84
builds a new instance of class array.
called mostly by the driver to construct array constants.
*/
/*
The source code for the Little Smalltalk System may be freely
copied provided that the source of all files is acknowledged
and that this condition is copied with each file.
The Little Smalltalk System is distributed without responsibility
for the performance of the program and without any guarantee of
maintenance.
All questions concerning Little Smalltalk should be addressed to:
Professor Tim Budd
Department of Computer Science
The University of Arizona
Tucson, Arizona
85721
USA
*/
# include <stdio.h>
# include "object.h"
class *Array = NULL;
class *ArrayedCollection = NULL;
extern object *o_nil, *o_empty, *o_acollection;
extern int started; /* gets set after reading std prelude */
/* new_iarray - internal form of new array */
object *new_iarray(size)
int size;
{ object *new;
if (size < 0) cant_happen(2);
new = new_obj(Array, size, 0);
if (! started) {
sassign(new->super_obj, o_acollection);
}
else if (ArrayedCollection)
sassign(new->super_obj, new_inst(ArrayedCollection));
return(new);
}
/* new_array - create a new array */
object *new_array(size, initial)
int size, initial;
{ int i;
object *new;
if (size == 0) return(o_empty);
new = new_iarray(size);
if (initial) {
for (i = 0; i < size; i++)
sassign(new->inst_var[ i ], o_nil);
}
return(new);
}