/// <summary>Perform one step forward and return the regular branch</summary>
public static State SimpleStep_Forward(string line, State state)
{
if (state == null)
{
Console.WriteLine("WARNING: Runner:SimpleStep_Forward: provided state is null");
return(null);
}
try
{
Tools tools = state.Tools;
string nextKey = Tools.CreateKey(tools.Rand);
string nextKeyBranch = "DUMMY_NOT_USED";
(string Label, Mnemonic Mnemonic, string[] Args, string Remark)content = AsmSourceTools.ParseLine(line);
using (OpcodeBase opcodeBase = InstantiateOpcode(content.Mnemonic, content.Args, (state.HeadKey, nextKey, nextKeyBranch), tools))
{
if (opcodeBase == null)
{
return(null);
}
if (opcodeBase.IsHalted)
{
Console.WriteLine("WARNING: Runner:SimpleStep_Forward: line: " + line + " is halted. Message: " + opcodeBase.SyntaxError);
return(null);
}
opcodeBase.Execute();
State stateOut = new State(state);
stateOut.Update_Forward(opcodeBase.Updates.Regular);
stateOut.Frozen = true;
opcodeBase.Updates.Regular?.Dispose();
opcodeBase.Updates.Branch?.Dispose();
if (!tools.Quiet)
{
Console.WriteLine("INFO: Runner:SimpleStep_Forward: after \"" + line + "\" we know:");
}
if (!tools.Quiet)
{
Console.WriteLine(stateOut);
}
return(stateOut);
}
}
catch (Exception e)
{
Console.WriteLine("WARNING: Runner:SimpleStep_Forward: Exception at line: " + line + "; e=" + e.Message);
return(new State(state));
}
}
/// <summary>Perform one step forward and return states for both branches</summary>
public static (State regular, State branch) Step_Forward(string line, State state)
{
Contract.Requires(state != null);
try
{
string nextKey = Tools.CreateKey(state.Tools.Rand);
string nextKeyBranch = nextKey + "!BRANCH";
(string label, Mnemonic mnemonic, string[] args, string remark)content = AsmSourceTools.ParseLine(line);
using (OpcodeBase opcodeBase = InstantiateOpcode(content.mnemonic, content.args, (state.HeadKey, nextKey, nextKeyBranch), state.Tools))
{
if (opcodeBase == null)
{
return(regular : null, branch : null);
}
if (opcodeBase.IsHalted)
{
return(regular : null, branch : null);
}
opcodeBase.Execute();
State stateRegular = null;
if (opcodeBase.Updates.regular != null)
{
stateRegular = new State(state);
stateRegular.Update_Forward(opcodeBase.Updates.regular);
opcodeBase.Updates.regular.Dispose();
}
State stateBranch = null;
if (opcodeBase.Updates.branch != null)
{
stateBranch = new State(state);
stateBranch.Update_Forward(opcodeBase.Updates.branch);
opcodeBase.Updates.branch.Dispose();
}
return(regular : stateRegular, branch : stateBranch);
}
}
catch (Exception e)
{
Console.WriteLine("WARNING: Runner:Step_Forward: Exception at line: " + line + "; e=" + e.Message);
return(regular : null, branch : null);
}
}