// log override
public override Value VisitIf_stat(AbstractIfStmtParser.If_statContext context)
{
AbstractIfStmtParser.Condition_blockContext[] conditions = context.condition_block();
bool evaluatedBlock = false;
int i = 0;
int size = conditions.GetLength(0);
while (i < size)
{
AbstractIfStmtParser.Condition_blockContext condition = conditions[i++];
Value evaluated = this.Visit(condition.expr());
bool evalVal = getBoolValue(evaluated);
if (evalVal)
{
evaluatedBlock = true;
// evaluate this block whose expr==true
this.Visit(condition.stat_block());
break;
}
}
if (!evaluatedBlock && context.stat_block() != null)
{
// evaluate the else-stat_block (if present == not null)
this.Visit(context.stat_block());
}
return(new Value(false));
}
/// <summary>
/// Visit a parse tree produced by <see cref="AbstractIfStmtParser.condition_block"/>.
/// <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_block([NotNull] AbstractIfStmtParser.Condition_blockContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="AbstractIfStmtParser.condition_block"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitCondition_block([NotNull] AbstractIfStmtParser.Condition_blockContext context)
{
}
