public override int VisitCondition([NotNull] CBluntParser.ConditionContext context)
{
// Specialized handling for ID hence it is here
if (context.ID() != null)
{
var variableName = context.ID().GetText();
var variableProperties = GetDeclaredVariable(variableName);
if (variableProperties == null)
{
SyntaxError(context, "Variable " + variableName + " does not exist");
return(1);
}
if (!variableProperties.Initialized)
{
SyntaxError(context, "Variable " + variableName + " has not been initialized");
return(1);
}
if (variableProperties.Type != "bool")
{
SyntaxError(context, "Variable " + variableName + " must be of a type bool");
return(1);
}
}
return(base.VisitCondition(context));
}
public override int VisitCondition([NotNull] CBluntParser.ConditionContext context)
{
#if DEBUG
Console.WriteLine("VisitCondition");
#endif
for (int counter = 0; counter < context.children.Count(); ++counter)
{
Visit(context.GetChild(counter));
if (context.GetChild(counter) == context.ID())
{
AddText(context.ID().GetText());
}
if (context.GetChild(counter).GetText() == "!")
{
this.AddText("!");
}
if (context.GetChild(counter).GetText() == "(")
{
this.AddText("(");
}
if (context.GetChild(counter).GetText() == ")")
{
this.AddText(")");
}
}
return(0);
}
/// <summary>
/// Visit a parse tree produced by <see cref="CBluntParser.condition"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitCondition([NotNull] CBluntParser.ConditionContext context)
{
return(VisitChildren(context));
}