public override Void VisitEquality(PreprocessorLineParser.EqualityContext context)
{
base.VisitEquality(context);
var left = expressionValue.Get(context.expression(0));
var right = expressionValue.Get(context.expression(1));
var op = context.op.Type;
bool result;
switch (op)
{
case PreprocessorLineLexer.Equal:
result = left == right;
break;
case PreprocessorLineLexer.NotEqual:
result = left != right;
break;
default:
throw new Exception("Invalid equality operator");
}
expressionValue.Put(context, result);
return(Void.Value);
}
/// <summary>
/// Exit a parse tree produced by <see cref="PreprocessorLineParser.Equality"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitEquality([NotNull] PreprocessorLineParser.EqualityContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="PreprocessorLineParser.Equality"/>.
/// <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 VisitEquality([NotNull] PreprocessorLineParser.EqualityContext context)
{
return(VisitChildren(context));
}
