58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
//
|
|
// Created by Nils Polek on 23.01.24.
|
|
//
|
|
#ifndef RECORD
|
|
#define RECORD
|
|
#include "stackslot.c"
|
|
#include "instruktion.c"
|
|
#include "njvm.h"
|
|
ObjRef newRecord(int size){
|
|
ObjRef record;
|
|
unsigned int objSize;
|
|
objSize = sizeof(*record) + (size * sizeof(void *));
|
|
if((record = alloc(objSize)) == NULL){
|
|
perror("malloc");
|
|
}
|
|
record->size = MSB;
|
|
record->size = record->size + size;
|
|
for(int i = 0; i < size; i++) {
|
|
GET_REFS_PTR(record)[i] = NULL;
|
|
}
|
|
return record;
|
|
}
|
|
int getSize(ObjRef arr){
|
|
if(arr == NULL) return 0;
|
|
return GET_ELEMENT_COUNT(arr);
|
|
}
|
|
ObjRef getField(ObjRef arr, int point){
|
|
if(arr == NULL) perror("Record is null");
|
|
if(arr->brokenHeart==true) perror("Broken Heart");
|
|
if(0 > point || point > getSize(arr)){
|
|
printf("Index %i out of bounds for length %i\n",point, getSize(arr));
|
|
}
|
|
return *(ObjRef *)GET_REFS_PTR(arr)[point]->data;
|
|
}
|
|
void setField(ObjRef arr, int point, ObjRef value){
|
|
bool isNull = false;
|
|
if(value == NULL) isNull = true;
|
|
if(0 > point || point >= getSize(arr)){
|
|
printf("Index %i out of bounds for length %i\n",point, getSize(arr));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if(arr == NULL) perror("Record is null");
|
|
if(IS_PRIMITIVE(arr)) perror("Record is a primitive");
|
|
int size;
|
|
if (isNull) size = sizeof(void *);
|
|
else {
|
|
if (IS_PRIMITIVE(value))
|
|
size = value->size;
|
|
else
|
|
size = sizeof(*value) + (GET_ELEMENT_COUNT(value) * sizeof(void *));
|
|
}
|
|
if((GET_REFS_PTR(arr)[point] = alloc(size)) == NULL) perror("malloc");
|
|
GET_REFS_PTR(arr)[point] ->size = size;
|
|
* (ObjRef *)GET_REFS_PTR(arr)[point]->data = value;
|
|
}
|
|
|
|
#endif
|