static String[] c_signature(Class c, String expr) {
if (c.isPrimitive()) return strs("j" + c.toString(), expr, expr);
if (c == Pointer.class)
return strs(
"void*",
"createPointerFromIO(env, " + expr + ", NULL)",
"getPointerPeer(env, " + expr + ")"); // TODO callIO
if (c == CLong.class)
return strs("long", "BoxCLong(env, " + expr + ")", "UnBoxCLong(env, " + expr + ")");
if (c == SizeT.class)
return strs("size_t", "BoxSizeT(env, " + expr + ")", "UnBoxSizeT(env, " + expr + ")");
if (c == TimeT.class)
return strs("time_t", "BoxTimeT(env, " + expr + ")", "UnBoxTimeT(env, " + expr + ")");
throw new UnsupportedOperationException("Cannot compute C signature for " + c.getName());
}
static String name(Class c) {
return c.getName().replace('.', '/');
}