public override int VisitIf([NotNull] TemplateParser.IfContext context)
{
MakeClassificationSpan(context.keyword, classificater.ClassificationKeyword);
MakeBracePair(context.PARENTHESES_L(), context.PARENTHESES_R());
MakeBracePair(context.BRACE_L(), context.BRACE_R());
return(base.VisitIf(context));
}
public override int VisitIf([NotNull] TemplateParser.IfContext context)
{
PushStack();
try
{
var codes = context.code();
if (codes.Length > 0)
{
var v = ExecExpr(context.condition);
if (v.type == AtomType.BOOL && (bool)v.value)
{
for (int i = 0; i < codes.Length; i++)
{
codes[i].Accept(this);
}
}
}
}
finally
{
PopStack();
}
return(0);
}
/// <summary>
/// Visit a parse tree produced by <see cref="TemplateParser.if"/>.
/// <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 VisitIf([NotNull] TemplateParser.IfContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="TemplateParser.if"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitIf([NotNull] TemplateParser.IfContext context)
{
}
