private BaseAst GetAstNode(TokenModel token)
{
switch (token.Token)
{
case TokenTypes.FunctionRW:
return(ConvertTo <FunctionAst>(token, AstNodeTypes.Function));
case TokenTypes.IfRW:
return(ConvertTo <IfAst>(token, AstNodeTypes.If));
case TokenTypes.ForRW:
return(ConvertTo <ForAst>(token, AstNodeTypes.For));
case TokenTypes.WhileRW:
return(ConvertTo <WhileAst>(token, AstNodeTypes.While));
case TokenTypes.GotoRW:
return(ConvertTo <GotoAst>(token, AstNodeTypes.Goto));
case TokenTypes.ReturnRW:
return(ConvertTo <BaseAst>(token, AstNodeTypes.Return));
case TokenTypes.Number:
NumberAst number = ConvertTo <NumberAst>(token, AstNodeTypes.Number);
int num;
if (!TryParseNumber(number.TokenText, out num))
{
return(BaseAst.GetErrorAstNode(string.Format("Nespravny format cisla, radek {0}, sloupec {1}", number.TokenStartLine, number.TokenStartColumn)));
}
number.Number = num;
return(number);
case TokenTypes.BraceLeft:
return(ConvertTo <BlockAst>(token, AstNodeTypes.Block));
case TokenTypes.Equals:
case TokenTypes.Plus:
case TokenTypes.Minus:
case TokenTypes.Multi:
case TokenTypes.PlusPlus:
case TokenTypes.MinusMinus:
case TokenTypes.EqualsEquals:
case TokenTypes.Less:
case TokenTypes.More:
case TokenTypes.LessOrEquals:
case TokenTypes.MoreOrEquals:
case TokenTypes.NotEquals:
case TokenTypes.Or:
case TokenTypes.And:
case TokenTypes.Neg:
OperatorAst op = ConvertTo <OperatorAst>(token, AstNodeTypes.Operator);
SetOperatorPriority(op);
return(op);
case TokenTypes.Error:
return(ConvertTo <BaseAst>(token, AstNodeTypes.None));
default:
return(ConvertTo <BaseAst>(token, AstNodeTypes.Variable));
}
}
private void SetNumber(NumberAst token)
{
}