void IVisitor.VisitAfter(BinaryOpPredicate predicate)
{
this.ParentExists(predicate);
}
void IVisitor.VisitBefore(BinaryOpPredicate predicate)
{
this.ParentExists(predicate);
}
public override void ExitBinaryOpPredicate(MiniSqlParserParser.BinaryOpPredicateContext context)
{
var right = (Expr)_stack.Pop();
var comments = this.GetComments(context.op);
var left = (Expr)_stack.Pop();
var opType = context.op.Type;
PredicateOperator op = PredicateOperator.Equal;
if (opType == MiniSqlParserLexer.ASSIGN)
{
op = PredicateOperator.Equal;
}
else if (opType == MiniSqlParserLexer.NOT_EQ2)
{
op = PredicateOperator.NotEqual;
}
else if (opType == MiniSqlParserLexer.LT)
{
op = PredicateOperator.Less;
}
else if (opType == MiniSqlParserLexer.LT_EQ)
{
op = PredicateOperator.LessOrEqual;
}
else if (opType == MiniSqlParserLexer.GT)
{
op = PredicateOperator.Greater;
}
else if (opType == MiniSqlParserLexer.GT_EQ)
{
op = PredicateOperator.GreaterOrEqual;
}
else if (opType == MiniSqlParserLexer.EQ)
{
op = PredicateOperator.Equal2;
}
else if (opType == MiniSqlParserLexer.NOT_EQ1)
{
op = PredicateOperator.NotEqual2;
}
else if (opType == MiniSqlParserLexer.AT_LT)
{
op = PredicateOperator.ContainsJsonValueL;
}
else if (opType == MiniSqlParserLexer.AT_GT)
{
op = PredicateOperator.ContainsJsonValueR;
}
else if (opType == MiniSqlParserLexer.QRY_PIPE)
{
op = PredicateOperator.ExistsJsonValue2;
}
else if (opType == MiniSqlParserLexer.QRY_AMP)
{
op = PredicateOperator.ExistsJsonValue3;
}
else
{
throw new CannotBuildASTException("Undifined PredicateOperator is used");
}
var node = new BinaryOpPredicate(left, op, right, comments);
_stack.Push(node);
}
