smetana.core.Memory Maven / Gradle / Ivy
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* This translation is distributed under the same Licence as the original C program.
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package smetana.core;
public class Memory {
public static __ptr__ malloc(Class theClass) {
JUtils.LOG("MEMORY::malloc " + theClass);
return JUtils.create(theClass, null);
}
public static __ptr__ malloc(size_t size) {
return (__ptr__) size.malloc();
}
public static __ptr__ realloc(__ptr__ old, size_t size) {
throw new UnsupportedOperationException("" + old.getClass());
}
public static void free(Object arg) {
}
public static int identityHashCode(CString data) {
if (data == null) {
return 0;
}
// int result = 2 * System.identityHashCode(data);
int result = data.getUid();
Z.z().all.put(result, data);
// System.err.println("Memory::identityHashCode data=" + data);
// System.err.println("Memory::identityHashCode result=" + result + " " + Z.z().all.size());
return result;
}
public static Object fromIdentityHashCode(int hash) {
// System.err.println("Memory::fromIdentityHashCode hash=" + hash);
if (hash % 2 != 0) {
throw new IllegalArgumentException();
}
Object result = Z.z().all.get(hash);
// System.err.println("Memory::fromIdentityHashCode result=" + result);
if (result == null) {
throw new UnsupportedOperationException();
}
return result;
}
}