/// <summary>
/// Create a LF which can invoke the given method.
/// Cache and share this structure among all methods with
/// the same basicType and refKind.
/// </summary>
private static LambdaForm PreparedLambdaForm(MemberName m)
{
assert(m.Invocable) : m; // call preparedFieldLambdaForm instead
MethodType mtype = m.InvocationType.BasicType();
assert(!m.MethodHandleInvoke || "invokeBasic".Equals(m.Name)) : m;
int which;
switch (m.ReferenceKind)
{
case REF_invokeVirtual:
which = LF_INVVIRTUAL;
break;
case REF_invokeStatic:
which = LF_INVSTATIC;
break;
case REF_invokeSpecial:
which = LF_INVSPECIAL;
break;
case REF_invokeInterface:
which = LF_INVINTERFACE;
break;
case REF_newInvokeSpecial:
which = LF_NEWINVSPECIAL;
break;
default:
throw new InternalError(m.ToString());
}
if (which == LF_INVSTATIC && ShouldBeInitialized(m))
{
// precompute the barrier-free version:
PreparedLambdaForm(mtype, which);
which = LF_INVSTATIC_INIT;
}
LambdaForm lform = PreparedLambdaForm(mtype, which);
MaybeCompile(lform, m);
assert(lform.MethodType().DropParameterTypes(0, 1).Equals(m.InvocationType.BasicType())) : Arrays.asList(m, m.InvocationType.BasicType(), lform, lform.MethodType());
return(lform);
}
/// <summary>
/// Create a LF which can access the given field.
/// Cache and share this structure among all fields with
/// the same basicType and refKind.
/// </summary>
private static LambdaForm PreparedFieldLambdaForm(MemberName m)
{
Class ftype = m.FieldType;
bool isVolatile = m.Volatile;
sbyte formOp;
switch (m.ReferenceKind)
{
case REF_getField:
formOp = AF_GETFIELD;
break;
case REF_putField:
formOp = AF_PUTFIELD;
break;
case REF_getStatic:
formOp = AF_GETSTATIC;
break;
case REF_putStatic:
formOp = AF_PUTSTATIC;
break;
default:
throw new InternalError(m.ToString());
}
if (ShouldBeInitialized(m))
{
// precompute the barrier-free version:
PreparedFieldLambdaForm(formOp, isVolatile, ftype);
assert((AF_GETSTATIC_INIT - AF_GETSTATIC) == (AF_PUTSTATIC_INIT - AF_PUTSTATIC));
formOp += (sbyte)(AF_GETSTATIC_INIT - AF_GETSTATIC);
}
LambdaForm lform = PreparedFieldLambdaForm(formOp, isVolatile, ftype);
MaybeCompile(lform, m);
assert(lform.MethodType().DropParameterTypes(0, 1).Equals(m.InvocationType.BasicType())) : Arrays.asList(m, m.InvocationType.BasicType(), lform, lform.MethodType());
return(lform);
}
