public Parser(Lexer lexer)
{
this.lexer = lexer;
this.endKeyword = lexer.endKeyword;
}
Keyword NewToken()
{
if (builder.Length == 0)
{
hasSpacesPre = hasSpacesPost;
return(null);
}
if (toReturn.Count > 0)
{
Keyword ret = toReturn.Dequeue();
return(ret);
}
string keywordText = builder.ToString();
builder.Clear();
search.Text = keywordText;
Keyword result;
search.Type = KeywordType.Simple;
if (core.Keywords.TryGetValue(search, out result))
{
if (keywordText[0] == '(')
{
if (!hasSpacesPre)
{
toReturn.Enqueue(callKeyword);
}
else
{
int j = 111;
}
hasSpacesPost = true;
//if (lastKeywordType == KeywordType.Simple)
}
else if (keywordText[0] == ')')
{
hasSpacesPost = false;
}
toReturn.Enqueue(result);
lastKeywordType = result.Type;
hasSpacesPre = hasSpacesPost;
return(null);
}
if (hasSpacesPost == hasSpacesPre)
{
search.Type = KeywordType.Binary;
if (core.Keywords.TryGetValue(search, out result))
{
toReturn.Enqueue(result);
lastKeywordType = result.Type;
hasSpacesPre = hasSpacesPost;
return(null);
}
}
if (/*!hasSpacesPost && */ hasSpacesPre)
{
search.Type = KeywordType.Prefix;
if (core.Keywords.TryGetValue(search, out result))
{
toReturn.Enqueue(result);
lastKeywordType = result.Type;
hasSpacesPre = hasSpacesPost;
return(null);
}
}
if (/*hasSpacesPost && */ !hasSpacesPre)
{
search.Type = KeywordType.Postfix;
if (core.Keywords.TryGetValue(search, out result))
{
toReturn.Enqueue(result);
lastKeywordType = result.Type;
hasSpacesPre = hasSpacesPost;
return(null);
}
}
Keyword ret1 = new Keyword(KeywordType.IdentifierOrLiteral, keywordText);
lastKeywordType = ret1.Type /*KeywordType.Simple*/;
hasSpacesPre = hasSpacesPost;
return(ret1);
}
public Keyword GetNext()
{
if (endLine)
{
return(EndLine());
}
if (comma)
{
return(Comma());
}
if (pop)
{
return(Pop());
}
if (endBrackets)
{
return(EndBrackets());
}
do
{
kwtoken = lexer.GetNext();
} while (kwtoken == null);
/*Keyword*/
if (end)
{
return(lexer.endKeyword);
}
if (kwtoken == lexer.endKeyword)
{
end = endLine = true;
return(EndLine());
//end
}
if (kwtoken is Operator operatorToken)
{
if (kwtoken is NestedOperator)
{
kwtoken = kwtoken.Clone();
((NestedOperator)kwtoken).Nesting = NestingIndex;
operatorToken = (Operator)kwtoken;
}
lastKeywordType = operatorToken.Type;
if (kwtoken.Type == KeywordType.Simple)
{
return(kwtoken);
}
OperatorToken = operatorToken;
pop = true;
return(Pop());
}
if (kwtoken.Type == KeywordType.Comma)
{
comma = true;
return(Comma());
}
else if (kwtoken.Type == KeywordType.EndLine)
{
endLine = true;
return(EndLine());
}
else if (kwtoken.Type == KeywordType.LeftBracket)
{
NestingIndex++;
ParserStack.Push(kwtoken);
return(null /*kwtoken*/);
}
else if (kwtoken.Type == KeywordType.RightBracket)
{
NestingIndex--;
endBrackets = true;
return(EndBrackets());
}
else
{
return(kwtoken);
//decimal number = 0;
//if (decimal.TryParse(kwtoken.Text, out number))
//{
//}
//else
//{
//}
}
return(EndLine());
}
