protected PegNode LessNodeCreator(ECreatorPhase phase, PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete)
if (parentOrCreated == null)
return new LessPegRootNode(id, src_);
else
return new LessPegNode(parentOrCreated, id, GetRoot());
return null;
}
PegNode PrimitiveValueNodeCreator(ECreatorPhase phase, PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete)
{
return(new PrimitiveValueNode(parentOrCreated, id));
}
else
{
return(null);
}
}
PegNode LengthNodeCreator(ECreatorPhase phase, PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete)
{
return(new LengthNode(parentOrCreated, id));
}
else
{
((LengthNode)parentOrCreated).lengthValue_ = top.length;
return(null);
}
}
PegNode TagNodeCreator(ECreatorPhase phase, PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete)
{
return(new TagNode(parentOrCreated, id));
}
else
{
((TagNode)parentOrCreated).tagValue_ = top.tag;
return(null);
}
}
void AddTreeNode(int nId, PegTree.AddPolicy newAddPolicy, Creator createNode, ECreatorPhase ePhase)
{
if (bMute_) return;
if (tree.root_ == null)
{
tree.root_ = tree.cur_ = createNode(ePhase, tree.cur_, nId);
}
else if (tree.addPolicy == PegTree.AddPolicy.eAddAsChild)
{
tree.cur_ = tree.cur_.child_ = createNode(ePhase, tree.cur_, nId);
}
else
{
tree.cur_ = tree.cur_.next_ = createNode(ePhase, tree.cur_.parent_, nId);
}
tree.addPolicy = newAddPolicy;
}
protected PegNode DefaultNodeCreator(ECreatorPhase phase, PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete)
return new PegNode(parentOrCreated, id);
else return null;
}
PegNode PrimitiveValueNodeCreator(ECreatorPhase phase, PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete)
{
return new PrimitiveValueNode(parentOrCreated, id);
}
else
{
return null;
}
}
PegNode LengthNodeCreator(ECreatorPhase phase,PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete){
return new LengthNode(parentOrCreated, id);
}else{
((LengthNode)parentOrCreated).lengthValue_ = top.length;
return null;
}
}
PegNode TagNodeCreator(ECreatorPhase phase,PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete){
return new TagNode(parentOrCreated, id);
}else{
((TagNode)parentOrCreated).tagValue_ = top.tag;
return null;
}
}
protected PegNode TRepetitionCreator(ECreatorPhase phase, PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete)
return new TRange(parentOrCreated, id);
else if (phase == ECreatorPhase.eCreationComplete)
{
TRange n = parentOrCreated as TRange;
if (n.child_ != null)
{
switch (n.child_.id_)
{
case (int)EPegGrammar.option_symbol:
n.lower = 0;
n.upper = 1;
return n;
case (int)EPegGrammar.star:
n.lower = 0;
n.upper = Int32.MaxValue;
return n;
case (int)EPegGrammar.plus:
n.lower = 1;
n.upper = Int32.MaxValue;
return n;
case (int)EPegGrammar.lower_limit:
if (n.child_.child_ != null)
{
PegNode lowerLimit = n.child_.child_;
if (n.child_.next_ == null)
{
n.child_.next_ = n.child_.Clone();
n.child_.next_.id_ = (int)EPegGrammar.upper_limit;
}
else
{
Debug.Assert(n.child_.next_.id_ == (int)EPegGrammar.optional_upper_limit);
if (n.child_.next_.child_ == null) /*no upper limit has been specified*/
{
n.child_.next_ = MakeUpperNumericLimit(n.child_,Int32.MaxValue);
}
else
{ //remove node optional_upper_limit'
Debug.Assert(n.child_.next_.child_.id_ == (int)EPegGrammar.upper_limit);
n.child_.next_ = n.child_.next_.child_;
}
}
PegNode upperLimit = n.child_.next_.child_;
SetLimit(lowerLimit, ref n.lower, ref n.lowerInto);
SetLimit(upperLimit, ref n.upper, ref n.upperInto);
return n;
}
Debug.Assert(false);
return null;
default: Debug.Assert(false);
return null;
}
}
return parentOrCreated;
}
else
{
Debug.Assert(false);
return null;
}
}
protected PegNode TBitRangeCreator(ECreatorPhase phase, PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete)
return new TRange(parentOrCreated, id);
else if (phase == ECreatorPhase.eCreationComplete)
{
TRange n = parentOrCreated as TRange;
if (n.child_ != null)
{
switch (n.child_.id_)
{
case (int)EPegGrammar.lower_limit:
if (n.child_.child_ != null)
{
PegNode lowerLimit = n.child_.child_;
PegNode upperLimit = n.child_.next_ != null ? n.child_.next_.child_ : null;
SetLimit(lowerLimit, ref n.lower, ref n.lowerInto);
if (upperLimit != null) SetLimit(upperLimit, ref n.upper, ref n.upperInto);
else
{
n.upper = n.lower;
n.upperInto = n.lowerInto;
}
return n;
}
Debug.Assert(false);
return null;
default: Debug.Assert(false);
return null;
}
}
return parentOrCreated;
}
else
{
Debug.Assert(false);
return null;
}
}
protected PegNode QuoteNodeCreator(ECreatorPhase phase, PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete)
return new MultiLineDblQuoteNode(parentOrCreated, id);
else if (phase == ECreatorPhase.eCreationComplete)
{
Debug.Assert(parentOrCreated.id_ == (int)EPegGrammar.multiline_double_quote_literal);
StringBuilder s = new StringBuilder();
for (PegNode dblQuotedContent = parentOrCreated.child_; dblQuotedContent != null; dblQuotedContent = dblQuotedContent.next_)
{
Debug.Assert(dblQuotedContent.id_ == (int)EPegGrammar.dbl_quoted_content);
s.Append(dblQuotedContent.GetAsString(src_));
}
MultiLineDblQuoteNode n = (MultiLineDblQuoteNode)parentOrCreated;
n.quoted_ = s.ToString();
return parentOrCreated;
}
else
{
Debug.Assert(false);
return null;
}
}
protected PegNode DefaultNodeCreator(ECreatorPhase phase, PegNode parentOrCreated, int id)
{
if (phase == ECreatorPhase.eCreate || phase == ECreatorPhase.eCreateAndComplete)
return new PegNode(parentOrCreated, id);
else
{
if (parentOrCreated.match_.posEnd_ > maxpos_)
maxpos_ = parentOrCreated.match_.posEnd_;
return null;
}
}
