public R Call(VirtualMachine vm, A arguments)
{
System.Diagnostics.Debug.Assert(Marshal.SizeOf <R> .size > 0);
vm.memory.PushBackStack(new ValueData(functionIndex));
vm.callFrameStack.PushBackUnchecked(new CallFrame(
vm.chunk.bytes.count - 1,
vm.memory.stackCount,
0,
CallFrame.Type.EntryPoint
));
vm.callFrameStack.PushBackUnchecked(new CallFrame(
codeIndex,
vm.memory.stackCount,
functionIndex,
CallFrame.Type.Function
));
var writer = new MemoryWriteMarshaler(vm, vm.memory.stackCount);
vm.memory.GrowStack(parametersSize);
arguments.Marshal(ref writer);
VirtualMachineInstructions.RunTopFunction(vm);
if (vm.error.isSome)
{
return(default);
public static void Return <T>(VirtualMachine vm, T value) where T : struct, IMarshalable
{
System.Diagnostics.Debug.Assert(Marshal.SizeOf <T> .size > 0);
var marshaler = new MemoryWriteMarshaler(vm, vm.memory.stackCount);
vm.memory.GrowStack(Marshal.SizeOf <T> .size);
value.Marshal(ref marshaler);
}
public T this[int index]
{
get
{
var size = global::cflat.Marshal.SizeOf <T> .size;
var marshaler = new MemoryReadMarshaler(vm, headAddress + size * index);
var value = default(T);
value.Marshal(ref marshaler);
return(value);
}
set
{
var size = global::cflat.Marshal.SizeOf <T> .size;
var marshaler = new MemoryWriteMarshaler(vm, headAddress + size * index);
value.Marshal(ref marshaler);
}
}
