public IEnumerable <AstNode> GetNodesBetween(AstLocation start, AstLocation end)
{
AstNode node = this;
while (node != null)
{
AstNode next;
if (start <= node.StartLocation && node.EndLocation <= end)
{
// Remember next before yielding node.
// This allows iteration to continue when the caller removes/replaces the node.
next = node.NextSibling;
yield return(node);
}
else
{
if (node.EndLocation < start)
{
next = node.NextSibling;
}
else
{
next = node.FirstChild;
}
}
if (next != null && next.StartLocation > end)
{
yield break;
}
node = next;
}
}
public Identifier(string name, AstLocation location)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
this.Name = name;
this.startLocation = location;
}
public LocalLookupVariable(string name, AstType typeRef, AstLocation startPos, AstLocation endPos, bool isConst, bool isLoopVariable, Expression initializer, Expression parentLambdaExpression, bool isQueryContinuation)
{
this.Name = name;
this.TypeRef = typeRef;
this.StartPos = startPos;
this.EndPos = endPos;
this.IsConst = isConst;
this.IsLoopVariable = isLoopVariable;
this.Initializer = initializer;
this.ParentLambdaExpression = parentLambdaExpression;
this.IsQueryContinuation = isQueryContinuation;
}
public void AddVariable(AstType typeRef, string name,
AstLocation startPos, AstLocation endPos, bool isConst,
bool isLoopVariable, Expression initializer,
Expression parentLambdaExpression,
bool isQueryContinuation)
{
if (name == null || name.Length == 0)
{
return;
}
List <LocalLookupVariable> list;
if (!variables.ContainsKey(name))
{
variables [name] = list = new List <LocalLookupVariable> ();
}
else
{
list = (List <LocalLookupVariable>)variables [name];
}
list.Add(new LocalLookupVariable(name, typeRef, startPos, endPos, isConst, isLoopVariable, initializer, parentLambdaExpression, isQueryContinuation));
}
public AstNode GetNodeAt(AstLocation location)
{
AstNode node = this;
while (node.FirstChild != null)
{
var child = node.FirstChild;
while (child != null)
{
if (child.StartLocation <= location && location < child.EndLocation)
{
node = child;
break;
}
child = child.NextSibling;
}
// found no better child node - therefore the parent is the right one.
if (child == null)
{
break;
}
}
return(node);
}
public EmptyExpression(AstLocation location)
{
this.location = location;
}
public CSharpModifierToken(AstLocation location, Modifiers modifier) : base(location, 0)
{
this.Modifier = modifier;
}
public IdentifierExpression(string identifier, AstLocation location)
{
SetChildByRole(Roles.Identifier, new Identifier(identifier, location));
}
public CSharpTokenNode(AstLocation location, int tokenLength)
{
this.startLocation = location;
this.tokenLength = tokenLength;
}
public Comment(CommentType commentType, AstLocation startLocation, AstLocation endLocation)
{
this.CommentType = commentType;
this.startLocation = startLocation;
this.endLocation = endLocation;
}
public PrimitiveType(string keyword, AstLocation location)
{
this.Keyword = keyword;
this.Location = location;
}
public PrimitiveExpression(object value, AstLocation startLocation, int length)
{
this.Value = value;
this.startLocation = startLocation;
this.length = length;
}
public SimpleType(string identifier, AstLocation location)
{
SetChildByRole(Roles.Identifier, new Identifier(identifier, location));
}