@Override
void o_WriteTo(final AvailObject object, final JSONWriter writer) {
writer.startObject();
writer.write("kind");
writer.write("function implementation");
writer.write("outers");
writer.write(object.slot(NUM_OUTERS));
writer.write("arguments");
writer.write(object.slot(NUM_ARGS));
writer.write("locals");
writer.write(object.slot(NUM_LOCALS));
writer.write("maximum stack depth");
writer.write(object.slot(FRAME_SLOTS));
writer.write("nybbles");
object.slot(NYBBLES).writeTo(writer);
writer.write("function type");
object.slot(FUNCTION_TYPE).writeTo(writer);
writer.write("method");
object.methodName().writeTo(writer);
final A_Module module = object.module();
if (!module.equalsNil()) {
writer.write("module");
object.module().moduleName().writeTo(writer);
}
writer.write("starting line number");
writer.write(object.startingLineNumber());
writer.write("literals");
writer.startArray();
for (int i = 1, limit = object.variableObjectSlotsCount(); i <= limit; i++) {
A_BasicObject literal = object.slot(LITERAL_AT_, i);
if (literal.equalsNil()) {
literal = IntegerDescriptor.zero();
}
literal.writeSummaryTo(writer);
}
writer.endArray();
writer.endObject();
}
/**
* Create a new compiled code object with the given properties.
*
* @param nybbles The nybblecodes.
* @param locals The number of local variables.
* @param stack The maximum stack depth.
* @param functionType The type that the code's functions will have.
* @param primitive Which primitive to invoke, or zero.
* @param literals A tuple of literals.
* @param localTypes A tuple of types of local variables.
* @param outerTypes A tuple of types of outer (captured) variables.
* @param module The module in which the code, or nil.
* @param lineNumber The module line number on which this code starts.
* @return The new compiled code object.
*/
public static AvailObject create(
final A_Tuple nybbles,
final int locals,
final int stack,
final A_Type functionType,
final @Nullable Primitive primitive,
final A_Tuple literals,
final A_Tuple localTypes,
final A_Tuple outerTypes,
final A_Module module,
final int lineNumber) {
if (primitive != null) {
// Sanity check for primitive blocks. Use this to hunt incorrectly
// specified primitive signatures.
final boolean canHaveCode = primitive.canHaveNybblecodes();
assert canHaveCode == (nybbles.tupleSize() > 0);
final A_Type restrictionSignature = primitive.blockTypeRestriction();
assert restrictionSignature.isSubtypeOf(functionType);
} else {
assert nybbles.tupleSize() > 0;
}
assert localTypes.tupleSize() == locals;
final A_Type argCounts = functionType.argsTupleType().sizeRange();
final int numArgs = argCounts.lowerBound().extractInt();
assert argCounts.upperBound().extractInt() == numArgs;
final int literalsSize = literals.tupleSize();
final int outersSize = outerTypes.tupleSize();
assert 0 <= numArgs && numArgs <= 0xFFFF;
assert 0 <= locals && locals <= 0xFFFF;
final int slotCount = numArgs + locals + stack;
assert 0 <= slotCount && slotCount <= 0xFFFF;
assert 0 <= outersSize && outersSize <= 0xFFFF;
assert module.equalsNil() || module.isInstanceOf(MODULE.o());
assert lineNumber >= 0;
final AvailObject code = mutable.create(literalsSize + outersSize + locals);
final InvocationStatistic statistic = new InvocationStatistic();
statistic.countdownToReoptimize.set(L2Chunk.countdownForNewCode());
final AvailObject statisticPojo = RawPojoDescriptor.identityWrap(statistic);
code.setSlot(NUM_LOCALS, locals);
code.setSlot(NUM_ARGS, numArgs);
code.setSlot(FRAME_SLOTS, slotCount);
code.setSlot(NUM_OUTERS, outersSize);
code.setSlot(PRIMITIVE, primitive == null ? 0 : primitive.primitiveNumber);
code.setSlot(NYBBLES, nybbles.makeShared());
code.setSlot(FUNCTION_TYPE, functionType.makeShared());
code.setSlot(PROPERTY_ATOM, NilDescriptor.nil());
code.setSlot(STARTING_CHUNK, L2Chunk.unoptimizedChunk().chunkPojo);
code.setSlot(INVOCATION_STATISTIC, statisticPojo);
// Fill in the literals.
int dest;
for (dest = 1; dest <= literalsSize; dest++) {
code.setSlot(LITERAL_AT_, dest, literals.tupleAt(dest).makeShared());
}
for (int i = 1; i <= outersSize; i++) {
code.setSlot(LITERAL_AT_, dest++, outerTypes.tupleAt(i).makeShared());
}
for (int i = 1; i <= locals; i++) {
code.setSlot(LITERAL_AT_, dest++, localTypes.tupleAt(i).makeShared());
}
assert dest == literalsSize + outersSize + locals + 1;
final A_Atom propertyAtom =
AtomWithPropertiesDescriptor.create(TupleDescriptor.empty(), module);
propertyAtom.setAtomProperty(lineNumberKeyAtom(), IntegerDescriptor.fromInt(lineNumber));
code.setSlot(PROPERTY_ATOM, propertyAtom.makeShared());
final int hash = propertyAtom.hash() ^ -0x3087B215;
code.setSlot(HASH, hash);
code.makeShared();
// Add the newborn raw function to the weak set being used for code
// coverage tracking.
activeRawFunctions.add(code);
return code;
}