private void AddStep(object sender, EventArgs e)
{
if (CheckStep() == true)
{
Instruction.Add(new Instruct(EditStep.Text, id));
id++;
EditStep.Text = "";
}
else
{
DisplayAlert(Resource.Error, Resource.ErrorStep, Resource.Ok);
}
}
private static Instruction GetInstructions(ParserState state, Token previous)
{
Instruction inst = new Instruction();
do
{
if (state.PeepToken().Name == ",")
{
state.PopToken();
}
Token open = state.PopToken();
if (open == null || open.Name != "(")
{
previous.ThrowException("Expected program format: (A1,G1),(A2,G2),...,(An,Gn)");
}
Token a = state.PopToken();
if (a == null)
{
open.ThrowException("Expected action");
}
if (a.Name == ")")
{
return(inst);
}
if (state.Action.ContainsKey(a.Name) == false)
{
open.ThrowException("Expected action");
}
Token comma = state.PopToken();
if (comma == null || comma.Name != ",")
{
a.ThrowException("Comma should separate an action and a set of agents");
}
MultiAgentLanguageModels.Action a1 = new MultiAgentLanguageModels.Action(a.Name);
AgentsList g = GetAgentList(state);
Token close = state.PopToken();
if (close == null || close.Name != ")")
{
a.ThrowException("Expected )");
}
inst.Add(new Tuple <MultiAgentLanguageModels.Action, AgentsList>(a1, g));
} while (state.PeepToken() != null && state.PeepToken().Name == ",");
return(inst);
}
private Instruction GetComboInstruction(CharReader cr)
{
var newInstruction = new Instruction(InstructionType.Combo);
while (cr.HasCharacters())
{
var c = cr.GetChar();
if (c == '[' || c == ']' || c == '.' || c == ',')
{
break;
}
if (c == '+')
{
newInstruction.Add();
}
if (c == '-')
{
newInstruction.Subtract();
}
if (c == '<')
{
newInstruction.ShiftLeft();
}
if (c == '>')
{
newInstruction.ShiftRight();
}
cr.Forward();
}
cr.Back();
newInstruction.Complete();
return(newInstruction);
}
