private SParameter ProcessParameter()
{
SToken oneToken = SLexer.Tokenizer(_dataStream);
bool isOptional = false;
if (oneToken.TokenType == STokenType.OPTIONAL)
{
oneToken = SLexer.Tokenizer(_dataStream);
isOptional = true;
}
bool isUnique = false;
if (oneToken.TokenType == STokenType.UNIQUE)
{
isUnique = true;
oneToken = SLexer.Tokenizer(_dataStream);
}
SParamType stype = SParameter.TokenTypeToAttribType(oneToken.TokenType);
SParameter sParam;
if (stype == SParamType.SET ||
stype == SParamType.LIST ||
stype == SParamType.ARRAY ||
stype == SParamType.BAG)
{
sParam = new SParamCollection(stype);
var sParamCol = sParam as SParamCollection;
// get leftbracket
oneToken = SLexer.Tokenizer(_dataStream);
// after adding lower bound, upper bound lexer
oneToken = SLexer.Tokenizer(_dataStream);
sParamCol.LBound = getBound(oneToken);
// get colon
oneToken = SLexer.Tokenizer(_dataStream);
// get upper bound
oneToken = SLexer.Tokenizer(_dataStream);
sParamCol.UBound = getBound(oneToken);
// get rightbracket
oneToken = SLexer.Tokenizer(_dataStream);
// get of
oneToken = SLexer.Tokenizer(_dataStream);
sParamCol.ParamReference = ProcessParameter();
}
else if (stype == SParamType.NAMED)
{ sParam = new SParamNamed(oneToken.StringValue); }
else
{ sParam = new SParameter(stype); }
sParam.IsUnique = isUnique;
sParam.IsOptional = isOptional;
// either semi colon or left parenthesis
//oneToken = SLexer.Tokenizer(DataStream);
if (!(sParam is SParamCollection))
{
oneToken = SLexer.Tokenizer(_dataStream);
if (oneToken.TokenType == STokenType.LEFTPARENTHESIS)
{
oneToken = SLexer.Tokenizer(_dataStream); // integer
// add integer
sParam.TypeLength = (short)oneToken.IntegerValue;
oneToken = SLexer.Tokenizer(_dataStream); // right parenthesis
oneToken = SLexer.Tokenizer(_dataStream);
if (oneToken.TokenType == STokenType.FIXED)
{
// process fixed
sParam.IsFixed = true;
// semicolon
oneToken = SLexer.Tokenizer(_dataStream);
}
}
}
//SAttribute oneAttribute = new SAttribute(AttributeName, sParam);
return sParam;
}
private SParameter ProcessInverseParameter()
{
SToken oneToken = SLexer.Tokenizer(_dataStream);
bool isOptional = false;
if (oneToken.TokenType == STokenType.OPTIONAL)
{
oneToken = SLexer.Tokenizer(_dataStream);
isOptional = true;
}
bool isUnique = false;
if (oneToken.TokenType == STokenType.UNIQUE)
{
isUnique = true;
oneToken = SLexer.Tokenizer(_dataStream);
}
SParamType stype = SParameter.TokenTypeToAttribType(oneToken.TokenType);
SParameter sParam;
if (stype == SParamType.SET ||
stype == SParamType.LIST ||
stype == SParamType.ARRAY ||
stype == SParamType.BAG)
{
sParam = new SParamCollection(stype);
var sParamCol = sParam as SParamCollection;
// get leftbracket
oneToken = SLexer.Tokenizer(_dataStream);
// after adding lower bound, upper bound lexer
oneToken = SLexer.Tokenizer(_dataStream);
sParamCol.LBound = getBound(oneToken);
// get colon
oneToken = SLexer.Tokenizer(_dataStream);
// get upper bound
oneToken = SLexer.Tokenizer(_dataStream);
sParamCol.UBound = getBound(oneToken);
// get rightbracket
oneToken = SLexer.Tokenizer(_dataStream);
// get of
oneToken = SLexer.Tokenizer(_dataStream);
sParamCol.ParamReference = ProcessInverseParameter();
}
else if (stype == SParamType.NAMED)
{
sParam = new SParamNamed(oneToken.StringValue);
}
else
{
sParam = new SParameter(stype);
}
sParam.IsUnique = isUnique;
sParam.IsOptional = isOptional;
// either semi colon or left parenthesis
//oneToken = SLexer.Tokenizer(DataStream);
//if (!(sParam is SParamCollection))
//{
// oneToken = SLexer.Tokenizer(_dataStream);
// if (oneToken.TokenType == STokenType.LEFTPARENTHESIS)
// {
// oneToken = SLexer.Tokenizer(_dataStream); // integer
// // add integer
// sParam.TypeLength = (short)oneToken.IntegerValue;
// oneToken = SLexer.Tokenizer(_dataStream); // right parenthesis
// oneToken = SLexer.Tokenizer(_dataStream);
// if (oneToken.TokenType == STokenType.FIXED)
// {
// // process fixed
// sParam.IsFixed = true;
// // semicolon
// oneToken = SLexer.Tokenizer(_dataStream);
// }
// }
//}
//SAttribute oneAttribute = new SAttribute(AttributeName, sParam);
return(sParam);
}