protected override ResultOfProcess ProcessToken(Lexer.Token token)
{
if (IsTerminateCondition(token))
{
this.Context.Recovery(token);
return ResultOfProcess.Stop;
}
this.Context.Recovery(token);
var tmpOperatorLeaf = new OperatorLeaf(this.Context, this);
var tmpRez = tmpOperatorLeaf.Run();
mRootNode = tmpOperatorLeaf.RootNode;
return tmpRez;
}
public void AddAdditionalItem(OpNode item)
{
AdditionalItems.Add(item);
}
private void UpInLowPriority(StillOneScriptCore.Parser.Lexer.Token token)
{
var tmpTargetNode = mCurrNode;
var tmpNextNode = tmpTargetNode.Parent;
while (true)
{
if (tmpNextNode.Priority < TokenPriority(token.TokenType))
{
if (tmpNextNode.Parent == null)
{
break;
}
if (tmpNextNode.TokenType == StillOneScriptCore.Parser.Lexer.TokenKind.ROUND_GROUP)
{
break;
}
if (tmpNextNode.TokenType == StillOneScriptCore.Parser.Lexer.TokenKind.FUNCTION_ARGUMENTS)
{
break;
}
tmpTargetNode = tmpNextNode;
tmpNextNode = tmpTargetNode.Parent;
}
else
{
break;
}
}
var tmpCurrNodeParent = tmpTargetNode.Parent;
var tmpCurrNodeLeft = tmpTargetNode;
mCurrNode = new OpNode();
mCurrNode.Parent = tmpCurrNodeParent;
tmpCurrNodeParent.Right = mCurrNode;
mCurrNode.Left = tmpCurrNodeLeft;
tmpCurrNodeLeft.Parent = mCurrNode;
}
private void ChangeNodes(StillOneScriptCore.Parser.Lexer.Token token)
{
if (mCurrNode == null)
{
mCurrNode = new OpNode();
mRootNode = mCurrNode;
}
else
{
if (mRootNode.Priority < TokenPriority(token.TokenType))
{
var tmpOldRootNode = mRootNode;
mCurrNode = new OpNode();
mRootNode = mCurrNode;
mRootNode.Left = tmpOldRootNode;
tmpOldRootNode.Parent = mRootNode;
}
else
{
if (mCurrNode.Priority < TokenPriority(token.TokenType))
{
UpInLowPriority(token);
}
else
{
if (mCurrNode.Priority > TokenPriority(token.TokenType))
{
var tmpOldCurrNode = mCurrNode;
mCurrNode = new OpNode();
tmpOldCurrNode.Right = mCurrNode;
mCurrNode.Parent = tmpOldCurrNode;
}
}
}
}
}
