public BuildNode PrependCurrentNode(
SyntaxNode prependedSyntax,
DisplayNodeConfig displayConfig = DisplayNodeConfig.Ignore,
bool isFinal = false)
{
// The syntaxes will be swaped subsequently
var prependedCurrent = isFinal
? this.CurrentNode
: this.ReenqueueCurrentNode(this.CurrentNode.Syntax);
var newCurrent = this.AddFinalNode(prependedSyntax);
// Swaping contents will change the outgoing edges, i.a.
newCurrent.SwapContents(prependedCurrent);
prependedCurrent.AddEdge(newCurrent);
this.CurrentNode = newCurrent;
if (displayConfig == DisplayNodeConfig.CreateNew)
{
prependedCurrent.DisplayNode = this.AddDisplayNode(prependedSyntax.Span);
}
else if (displayConfig == DisplayNodeConfig.Inherit)
{
prependedCurrent.DisplayNode = this.CurrentNode.DisplayNode;
}
return(prependedCurrent);
}
public BuildNode EnqueueNode(SyntaxNode syntax, DisplayNodeConfig displayConfig = DisplayNodeConfig.Ignore)
{
var node = this.Graph.AddNode(syntax);
this.builder.readyQueue.Enqueue(node);
if (displayConfig == DisplayNodeConfig.CreateNew)
{
node.DisplayNode = this.AddDisplayNode(syntax.Span);
}
else if (displayConfig == DisplayNodeConfig.Inherit)
{
node.DisplayNode = this.CurrentNode.DisplayNode;
}
return(node);
}
protected void ProcessSequentially <TSyntax>(
IReadOnlyList <TSyntax> syntaxes,
DisplayNodeConfig displayConfig = DisplayNodeConfig.Ignore)
where TSyntax : SyntaxNode
{
if (syntaxes.Count > 0)
{
var precedingStatement = this.Context.ReenqueueCurrentNode(
syntaxes.First(),
createDisplayNode: displayConfig == DisplayNodeConfig.CreateNew);
if (syntaxes.Count > 1)
{
var outEdges = precedingStatement.OutgoingEdges.ToArray();
precedingStatement.OutgoingEdges.Clear();
for (int i = 1; i < syntaxes.Count; i++)
{
var syntax = syntaxes[i];
var currentStatement = this.Context.EnqueueNode(syntax);
precedingStatement.AddEdge(currentStatement);
if (displayConfig == DisplayNodeConfig.CreateNew)
{
currentStatement.DisplayNode = this.Context.AddDisplayNode(syntax.Span);
}
else if (displayConfig == DisplayNodeConfig.Inherit)
{
currentStatement.DisplayNode = precedingStatement.DisplayNode;
}
precedingStatement = currentStatement;
}
precedingStatement.OutgoingEdges.AddRange(outEdges);
}
}
}
