public override LogicalOperation VisitIdentifier(LogicalGrammarParser.IdentifierContext context)
{
string id = context.GetText();
if (Variables.ContainsKey(id))
{
return(new LogicalVariableUsage(Variables[id]));
}
var variable = new LogicalVariable(id);
Variables.Add(id, variable);
return(new LogicalVariableUsage(variable));
}
public override bool Equals(object obj)
{
if (this == obj)
{
return(true);
}
if (obj == null || this.GetType() != obj.GetType())
{
return(false);
}
LogicalVariable other = (LogicalVariable)obj;
if (variableName != null ? !variableName.Equals(other.variableName) : other.variableName != null)
{
return(false);
}
return(true);
}
public override void ExitLogicalVariable([NotNull] RuleSetGrammarParser.LogicalVariableContext context)
{
LogicalVariable variable = new LogicalVariable(context.GetText());
this.logicalExpressions.Push(variable);
}