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#include "stdafx.h"
#include "BoolSet.h"
namespace storm {
namespace syntax {
namespace glr {
BoolSet::BoolSet() : data(null) {}
Bool BoolSet::get(Nat id) {
if (id >= count())
return false;
else
return ((data->v[entry(id)] >> offset(id)) & Nat(0x1)) != 0;
}
void BoolSet::set(Nat id, Bool v) {
if (id >= count())
grow(id + 1);
Nat mask = Nat(1) << offset(id);
if (v)
data->v[entry(id)] |= mask;
else
data->v[entry(id)] &= ~mask;
}
void BoolSet::clear() {
if (data)
memset(data->v, 0, sizeof(Nat)*data->count);
}
void BoolSet::grow(Nat count) {
Nat cap = (count + bitsPerEntry - 1) / bitsPerEntry;
cap = max(Nat(minSize), cap);
cap = max(this->count(), cap);
GcArray<Nat> *n = runtime::allocArray<Nat>(engine(), &natArrayType, cap);
if (data)
memcpy(n->v, data->v, sizeof(Nat)*data->count);
data = n;
}
}
}
}
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