public void VerifyDefaultState()
{
StateSymbol state = _globals.Resolve("default(*)") as StateSymbol;
if (state == null)
{
_listener.Error(
"line: 0:0" + " No default state defined"
);
}
}
public void Define(StateSymbol stateSym, IScope currentScope)
{
if (stateSym.Name != "default(*)" && _globals.Resolve("default(*)") == null)
{
_listener.Error(
"line " + stateSym.Def.Line + ":" + stateSym.Def.CharPositionInLine + " State '"
+ stateSym.Name + "' cannot be defined yet. Default state must be defined first."
);
}
this.Define((Symbol)stateSym, currentScope);
}
public void CheckStateChange(LSLAst chgNode, LSLAst destID)
{
string stateName = destID != null ? destID.Text + "(*)" : "default(*)";
StateSymbol state = _globals.Resolve(stateName) as StateSymbol;
if (state == null)
{
_listener.Error(
"line " + chgNode.Token.Line + ":" + chgNode.Token.CharPositionInLine +
" Undefined state " + stateName
);
}
}