IEnumerable <LazyString> Impl_Call_CustomMethod(MethodInfo method, Instruction instruction, MethodDefinition targetMethod)
{
// pop the parameters off the variable stack and onto the parameter stack
var paramsVal = ArraySlice(
GetGlobal(Variables.VariableStack),
() => "0",
() => targetMethod.Parameters.Count.ToString());
foreach (var action in ParameterStack.Push(paramsVal))
{
yield return(action);
}
foreach (var action in VariableStack.Pop(targetMethod.Parameters.Count))
{
yield return(action);
}
foreach (var action in JumpOffsetStack.Push(GetJumpId(method, instruction.Next)))
{
yield return(action);
}
foreach (var action in JumpOffsetStack.Push(() => "0"))
{
yield return(action);
}
foreach (var action in Impl_Call_CustomMethod_Direct(targetMethod))
{
yield return(action);
}
yield return(() => "Loop;");
}
IEnumerable <LazyString> MethodHeaderActions(MethodInfo method)
{
var firstActions = new LazyString[]
{
() => $"Abort If (Not({FunctionCondition(method)()}));",
() => "Wait(0, Abort When False);",
SetGlobal(Variables.Temporary, JumpOffsetStack.GetLastElement(0)),
};
LazyString actionCountStr = () =>
{
var instruction = method.Instructions.First();
var nextInChain = FindNextSkipChain(method, instruction);
var actionCount = nextInChain == null ? 99999999 : CalcNumActionsToSkip(method, nextInChain) - CalcNumActionsToSkip(method, instruction);
return(actionCount.ToString());
};
var jumpToTarget = new[]
{
SetGlobal(Variables.Temporary2, GetGlobal(Variables.Temporary)),
SetGlobal(Variables.Temporary, Subtract(GetGlobal(Variables.Temporary), Add(actionCountStr, () => "4"))),
SkipIf(
NotEqual(GetGlobal(Variables.Temporary2), () => "0"),
Min(GetGlobal(Variables.Temporary2), Add(actionCountStr, () => "1"))),
};
return(firstActions.Concat(JumpOffsetStack.Pop(1)).Concat(jumpToTarget));
}
IEnumerable <LazyString> Impl_Jump_If(MethodInfo method, Instruction instruction, int valuesToPop, LazyString condition)
{
yield return(SetGlobal(Variables.Temporary, ArraySlice(
GetGlobal(Variables.VariableStack),
() => "0",
() => valuesToPop.ToString())));
foreach (var action in VariableStack.Pop(valuesToPop))
{
yield return(action);
}
yield return(SkipIf(Not(condition), () => (JumpOffsetStack.Push(() => "").Count() + 1).ToString()));
foreach (var action in JumpOffsetStack.Push(GetJumpId(method, (Instruction)instruction.Operand)))
{
yield return(action);
}
yield return(() => "Loop;");
}
