Warning: session_start(): open(/var/lib/php/sessions/sess_1t4l6ar5jotocoen66h2ulcos6, O_RDWR) failed: No space left on device (28) in /var/www/tb-usercake/models/config.php on line 51
Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
// all sizes+addresses are in ints (4 bytes)
sclass ManagedIntObjects_v1 {
int[] mem = new int[0];
new FreeList freeList;
replace Addr with int.
replace Addr2 with Int.
*() {
alloc(1); // so 0 is usable as the null pointer
}
void ensureCapacity(int size) {
if (memorySize() < size)
setMemorySize(roundUpToPowerOfTwo(size));
}
int memorySize() { ret mem.length; }
void setMemorySize(int newSize) {
int size = memorySize();
if (newSize < size) unimplemented("Shrinking memory");
freeList.add(IntRange(size, newSize));
mem = resizeIntArray(mem, newSize);
}
void growMemory() {
setMemorySize(memorySize()*2);
}
int alloc(int length) {
IntRange r;
while ((r = freeList.findFreeSpace(length)) == null)
growMemory();
freeList.remove(IntRange(r.start+length, r.end));
ret r.start;
}
void free(int start, int length) {
freeList.add(IntRange(start, start+length));
}
int get(Addr i) { ret mem[i]; }
int read(Addr i) { ret mem[i]; }
void set(Addr i, int val) { mem[i] = val; }
// words a pointer requires
int sizeOfPointer() { ret 1; }
Addr nullPtr() { ret 0; }
// convenience pointer array handling (memory layout: length + data)
L pointerArray(Addr addr) {
int size = get(addr);
ret new RandomAccessAbstractList() {
public int size() { ret size; }
public A get(int i) { rangeCheck(i, size); ret read(addr+1+i); }
public Int set(int i, int val) { Int old = get(i); set(addr+1+i, val); ret old; }
};
}
}