public static bool NeedsParens(AstNode expression, bool outerHasNoArguments)
{
var visitor = new NewParensVisitor(outerHasNoArguments);
expression.Accept(visitor);
return(visitor.m_needsParens);
}
public static void Apply(AstNode node)
{
if (node != null)
{
node.Accept(s_instance);
}
}
/// <summary>
/// For the given binding node, return a collection of individual lookup
/// nodes that represent the names being referenced.
/// </summary>
/// <param name="node">binding node</param>
/// <returns>collection of Lookup nodes</returns>
public static IList <Lookup> References(AstNode node)
{
var visitor = new BindingsVisitor();
if (node != null)
{
node.Accept(visitor);
}
return(visitor.m_lookups);
}
/// <summary>
/// For the given binding node, return a collection of individual INameDeclaration
/// nodes that represent the names being declared for this binding element.
/// </summary>
/// <param name="node">binding node</param>
/// <returns>collection of INameDeclaration nodes</returns>
public static IList <BindingIdentifier> Bindings(AstNode node)
{
var visitor = new BindingsVisitor();
if (node != null)
{
node.Accept(visitor);
}
return(visitor.m_bindings);
}
public static bool Apply(TextWriter writer, AstNode node, CodeSettings settings)
{
if (node != null)
{
var visitor = new JSONOutputVisitor(writer, settings);
node.Accept(visitor);
return(visitor.IsValid);
}
return(false);
}
public bool IsSafe(AstNode node)
{
// assume it is unless preven otherwise
m_isSafe = true;
if (node != null)
{
node.Accept(this);
}
return(m_isSafe);
}
public bool Query(AstNode node)
{
// requires by default unless a node explicitly says it doesn't need one
DoesRequire = node != null;
if (node != null)
{
node.Accept(this);
}
return(DoesRequire);
}
