public override int VisitFor([NotNull] TemplateParser.ForContext context)
{
MakeClassificationSpan(context.keyword, classificater.ClassificationKeyword);
MakeBracePair(context.PARENTHESES_L(), context.PARENTHESES_R());
MakeBracePair(context.BRACE_L(), context.BRACE_R());
return(base.VisitFor(context));
}
public override int VisitFor([NotNull] TemplateParser.ForContext context)
{
PushStack();
try
{
var codes = context.code();
if (context.expr0 != null)
{
VisitVar(context.expr0);
}
else if (context.expr1 != null)
{
ExecExpr(context.expr1);
}
while (true)
{
for (int i = 0; i < codes.Length; i++)
{
codes[i].Accept(this);
}
if (context.expr3 != null)
{
ExecExpr(context.expr3);
}
if (context.expr2 != null)
{
var v = ExecExpr(context.expr2);
if (v.type == AtomType.BOOL && (bool)v.value == false)
{
break;
}
}
}
}
finally
{
PopStack();
}
return(0);
}
/// <summary>
/// Visit a parse tree produced by <see cref="TemplateParser.for"/>.
/// <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 VisitFor([NotNull] TemplateParser.ForContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="TemplateParser.for"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitFor([NotNull] TemplateParser.ForContext context)
{
}