Expression Parse_OpSubstring()
{
Expression expr = Parse_OpConcat();
for (;;)
{
TokenType op = m_Tokenizer.PeekNextToken().type;
switch (op)
{
case TokenType.OpContains:
m_Tokenizer.ConsumeNextToken();
expr = new OpContains(expr, Parse_OpConcat());
break;
case TokenType.OpStartsWith:
m_Tokenizer.ConsumeNextToken();
expr = new OpStartsWith(expr, Parse_OpConcat());
break;
case TokenType.OpEndsWith:
m_Tokenizer.ConsumeNextToken();
expr = new OpEndsWith(expr, Parse_OpConcat());
break;
default:
return(expr);
}
}
}
Expression Parse_OpSubstring()
{
Expression expr = Parse_OpConcat();
for (;;)
{
TokenType op = m_Tokenizer.PeekNextToken().type;
switch (op)
{
case TokenType.OpContains:
m_Tokenizer.ConsumeNextToken();
expr = new OpContains(expr, Parse_OpConcat());
break;
case TokenType.OpStartsWith:
m_Tokenizer.ConsumeNextToken();
expr = new OpStartsWith(expr, Parse_OpConcat());
break;
case TokenType.OpEndsWith:
m_Tokenizer.ConsumeNextToken();
expr = new OpEndsWith(expr, Parse_OpConcat());
break;
default:
return expr;
}
}
}