public Selection(Element elementlist)
{
ElementList = elementlist;
}
internal Tab(Element element)
{
ElementList = element;
}
internal void Push(Token token)
{
int wordtype;
switch (token.ValueType)
{
case SyntaxType.Number:
case SyntaxType.Boolean:
wordtype = (int)SyntaxType.String;
break;
default:
wordtype = (int)token.ValueType;
break;
}
var action = _action[_stateStack[_stateStack.Count - 1]][wordtype];
if (action == null)
{
IsLoopingForReduce = false;
throw new ParseException($"Grammar error at line {token.Line}");
}
else if (action[0] == 'A')
{
IsAccepted = true;
IsLoopingForReduce = false;
switch (action[1])
{
case '1'://ACC for elements
Block = new Tab(_tokenStack[_tokenStack.Count - 1] as Element);
break;
case '2'://ACC for settings
Block = new Setting(_tokenStack[_tokenStack.Count - 1] as Attribute);
break;
case '3'://ACC for content
Block = new Content(_tokenStack[_tokenStack.Count - 1].Value);
break;
}
}
else if (action[0] == 'S')
{
var statestring = "";
for (var i = 1; i < action.Length; i++)
{
statestring += action[i];
}
var nextstate = int.Parse(statestring);
_stateStack.Add(nextstate);
_tokenStack.Add(token);
IsLoopingForReduce = false;
}
else
{
IsLoopingForReduce = true;
var reducestring = "";
for (var i = 1; i < action.Length; i++)
{
reducestring += action[i];
}
var reducerule = int.Parse(reducestring);
switch (reducerule)
{
//case 1:// Block -> Type Bracket Elements Bracket
// break;
//case 2:// Block -> Settings
// break;
//case 3:// Block -> Content
// break;
case 4:// Elements -> Element
_stateStack[_stateStack.Count - 1] = _goto[_stateStack[_stateStack.Count - 2]][2];
break;
case 5:// Elements -> Elements Element
var nextele = _tokenStack[_tokenStack.Count - 1] as Element;
var preele = _tokenStack[_tokenStack.Count - 2] as Element;
nextele.Next = preele;
_tokenStack.RemoveRange(_tokenStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_stateStack.RemoveRange(_stateStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_tokenStack.Add(nextele);
_stateStack.Add(_goto[_stateStack[_stateStack.Count - 1]][2]);
break;
case 6:// Element -> Sharp Ename Equals Value Break
var eName = _tokenStack[_tokenStack.Count - 4].Value;
var eType = (ElementTypes)System.Enum.Parse(typeof(ElementTypes), eName);
var setele = new Element(_tokenStack[_tokenStack.Count - 5].Line, eType, _tokenStack[_tokenStack.Count - 2].Value);
_tokenStack.RemoveRange(_tokenStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_stateStack.RemoveRange(_stateStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_tokenStack.Add(setele);
_stateStack.Add(_goto[_stateStack[_stateStack.Count - 1]][3]);
break;
case 7:// Element -> EName Bracket Atts Bracket
var elementName = _tokenStack[_tokenStack.Count - 4].Value;
var elementType = (ElementTypes)System.Enum.Parse(typeof(ElementTypes), elementName);
var atts = _tokenStack[_tokenStack.Count - 2] as Attribute;
var element = new Element(atts.Line, elementType, atts);
_tokenStack.RemoveRange(_tokenStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_stateStack.RemoveRange(_stateStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_tokenStack.Add(element);
_stateStack.Add(_goto[_stateStack[_stateStack.Count - 1]][3]);
break;
case 8:// Settings -> Setting
_stateStack[_stateStack.Count - 1] = _goto[_stateStack[_stateStack.Count - 2]][0];
break;
case 9:// Settings -> Settings Setting
var nextset = _tokenStack[_tokenStack.Count - 1] as Attribute;
var preset = _tokenStack[_tokenStack.Count - 2] as Attribute;
nextset.Next = preset;
_tokenStack.RemoveRange(_tokenStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_stateStack.RemoveRange(_stateStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_tokenStack.Add(nextset);
_stateStack.Add(_goto[_stateStack[_stateStack.Count - 1]][0]);
break;
//case 10:// Content -> USD Value Break
// break;
case 11:// Setting -> Sharp Att
if (_tokenStack[_tokenStack.Count - _popCount[reducerule - 1]].Value.Contains("define"))
{
(_tokenStack[_tokenStack.Count - 1] as Attribute).IsGlobal = true;
}
_tokenStack.RemoveAt(_tokenStack.Count - _popCount[reducerule - 1]);
_stateStack.RemoveAt(_stateStack.Count - _popCount[reducerule - 1]);
_stateStack[_stateStack.Count - 1] = _goto[_stateStack[_stateStack.Count - 2]][1];
break;
case 12:// Atts -> Att
_stateStack[_stateStack.Count - 1] = _goto[_stateStack[_stateStack.Count - 2]][4];
break;
case 13:// Atts -> Atts Att
var nextatt = _tokenStack[_tokenStack.Count - 1] as Attribute;
var preatt = _tokenStack[_tokenStack.Count - 2] as Attribute;
nextatt.Next = preatt;
_tokenStack.RemoveRange(_tokenStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_stateStack.RemoveRange(_stateStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_tokenStack.Add(nextatt);
_stateStack.Add(_goto[_stateStack[_stateStack.Count - 1]][4]);
break;
case 14:// Att -> Name Equals Value Break
AttributeValueType valueType = AttributeValueType.String;
switch ((_tokenStack[_tokenStack.Count - 2] as Token).ValueType)
{
case SyntaxType.Number:
valueType = AttributeValueType.Number;
break;
case SyntaxType.Boolean:
valueType = AttributeValueType.Boolean;
break;
}
AttributeTypes attType = (AttributeTypes)System.Enum.Parse(typeof(AttributeTypes), _tokenStack[_tokenStack.Count - 4].Value);
Attribute att = new Attribute
(
_tokenStack[_tokenStack.Count - 2].Line,
attType,
_tokenStack[_tokenStack.Count - 2].Value,
valueType
);
_tokenStack.RemoveRange(_tokenStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_stateStack.RemoveRange(_stateStack.Count - _popCount[reducerule - 1], _popCount[reducerule - 1]);
_tokenStack.Add(att);
_stateStack.Add(_goto[_stateStack[_stateStack.Count - 1]][5]);
break;
}
}
}
