public override void Walk(PythonWalker walker)
{
if (walker.Walk(this))
{
Value.Walk(walker);
FormatSpecifier?.Walk(walker);
}
walker.PostWalk(this);
}
public async override Task WalkAsync(PythonWalkerAsync walker, CancellationToken cancellationToken = default)
{
if (await walker.WalkAsync(this, cancellationToken))
{
await Value.WalkAsync(walker, cancellationToken);
await FormatSpecifier?.WalkAsync(walker, cancellationToken);
}
await walker.PostWalkAsync(this, cancellationToken);
}
internal override void AppendCodeString(StringBuilder res, PythonAst ast, CodeFormattingOptions format)
{
res.Append('{');
Value.AppendCodeString(res, ast, format);
if (Conversion.HasValue)
{
res.Append('!');
res.Append(Conversion.Value);
}
if (FormatSpecifier != null)
{
res.Append(':');
FormatSpecifier.AppendCodeString(res, ast, format);
}
res.Append('}');
}
public virtual void PostWalk(FormatSpecifier node)
{
}
// FormatSpecifier
public virtual bool Walk(FormatSpecifier node)
{
return(true);
}
// FormatSpecifier
public override bool Walk(FormatSpecifier node)
{
return(Location >= node.StartIndex && Location <= node.EndIndex);
}