public ParserResult Parse(ProgressiveList <Token> tokens)
{
var result = new ParserResult();
var values = new ParserValues();
BeginValues(values);
begin:
foreach (var p in parsers)
{
var parser = (MainParser)p.Value;
int state = tokens.GetState();
if (parser.Match(tokens))
{
parser.Work(tokens, result);
result.Include(parser.GetResult());
goto begin;
}
else
{
tokens.RestoreState(state);
}
values.Clear();
}
EndValues();
return(result);
}
public static ProgressiveList <T> Get(bool andReturn = false, int defSize = 1)
{
ProgressiveList <T> list;
if (pool.Count == 0)
{
for (int i = 0; i < defSize; i++)
{
pool.Enqueue(new ProgressiveList <T>(32));
}
list = new ProgressiveList <T>(32);
}
else
{
list = pool.Dequeue();
}
if (andReturn)
{
pool.Enqueue(list);
}
list.Clear();
return(list);
}
protected void DefWork(ProgressiveList <Token> tokens, ParserResult result)
{
if (child?.Match(tokens) ?? false)
{
child?.Work(tokens, result);
}
}
public ProgressiveList <T> SplitUntil(Predicate <T> predicate,
bool includeTruth = true, bool removeSelf = true,
int startingIndex = 0)
{
int count = items.Count;
var pl = new ProgressiveList <T>();
for (var i = startingIndex; i < count; i++)
{
var item = items[i];
bool truth = predicate(item);
if (!truth || truth && includeTruth)
{
pl.Add(item);
}
if (truth)
{
break;
}
}
if (removeSelf)
{
items.RemoveAll(i => pl.items.Contains(i));
}
return(pl);
}
public override void Work(ProgressiveList <Token> tokens, ParserResult result)
{
if (Child.Match(tokens))
{
Child.Work(tokens, result);
}
else
{
tokens.This().Or(tokens.Look_Back()).Error();
}
}
public override void Work(ProgressiveList <Token> tokens, ParserResult result)
{
if (Conditional.Match(tokens))
{
var work = onWork();
if (work != null)
{
if (work.Match(tokens))
{
work.Work(tokens, result);
}
}
}
Child?.Work(tokens, result);
}
public bool VerifyNexts(ProgressiveList <T> nexts)
{
T def = default(T);
bool ret = true;
int state = GetState();
T item;
while (!Equals(item = nexts.Next(), def))
{
var nitem = nexts.Next();
if (Equals(nitem, def) || !Equals(item, nitem))
{
ret = false;
break;
}
}
RestoreState(state);
return(ret);
}
public override bool Match(ProgressiveList <Token> tokens)
{
Token token;
bool result;
switch (condType)
{
case TokenConditional.Text:
return(tokens.Next().text == text);
case TokenConditional.Type:
token = tokens.Next();
result = token.Type() == type;
if (result && storeOn != null)
{
Set(storeOn, token.value);
}
return(result);
case TokenConditional.Value:
token = tokens.Next();
result = Tokenizer.isValue(token.Type());
if (result && storeOn != null)
{
Set(storeOn, token.value);
}
return(result);
case TokenConditional.Any:
token = tokens.Next();
result = true;
if (storeOn != null)
{
Set(storeOn, token.value);
}
return(result);
}
return(false);
}
public bool VerifyNexts(ProgressiveList <Token> nexts)
{
return(tokens.VerifyNexts(nexts));
}
public bool VerifyNexts(ProgressiveList <string> nexts, bool dontWorryAboutOrder = false,
Func <Token, Tokens, bool> checker = null)
{
bool ret = true;
int state = GetState();
bool begun = true;
if (dontWorryAboutOrder)
{
begun = false;
}
Token token;
while ((token = tokens.Next()) != null)
{
var ntoken = nexts.Next();
if (ntoken == null)
{
if (!begun)
{
return(false);
}
return(ret);
}
if (token.text != ntoken)
{
if (!begun)
{
nexts.Back();
continue;
}
ret = false;
break;
}
else
{
if (!begun)
{
if (checker == null)
{
begun = true;
}
else if (checker != null)
{
int prev = GetState();
if (!checker(token, this))
{
nexts.Back();
}
else
{
begun = true;
return(true);
}
RestoreState(prev);
}
}
}
}
RestoreState(state);
if (!begun)
{
ret = false;
}
return(ret);
}
public Tokens(List <Token> tokens)
{
this.tokens = new ProgressiveList <Token>(tokens);
}
public Tokens(ProgressiveList <Token> tokens)
{
this.tokens = tokens;
}
public static void Return(ProgressiveList <T> list)
{
list.Clear();
pool.Enqueue(list);
}
public static void Return <T>(this ProgressiveList <T> array) => ProgressiveLists <T> .Return(array);
public override bool Match(ProgressiveList <Token> tokens)
{
return(true);
}
public override bool Match(ProgressiveList <Token> tokens)
{
return(Conditional.Match(tokens));
}
public virtual bool Match(ProgressiveList <Token> tokens)
{
return(false);
}
public override void Work(ProgressiveList <Token> tokens, ParserResult result)
{
DefWork(tokens, result);
}
public virtual void Work(ProgressiveList <Token> tokens, ParserResult result)
{
}
