public static QsiExpressionNode VisitTermMultiplication(TermMultiplicationContext context)
{
MultiplicationOperatorContext[] operators = context.multiplicationOperator();
var left = VisitTermGroup(context.left);
if (ListUtility.IsNullOrEmpty(operators))
{
return(left);
}
TermGroupContext[] rights = context.termGroup();
for (int i = 0; i < operators.Length; i++)
{
var node = new QsiBinaryExpressionNode
{
Operator = operators[i].GetText()
};
node.Left.SetValue(left);
node.Right.SetValue(VisitTermGroup(rights[i + 1]));
left = node;
var leftSpan = CqlTree.Span[node.Left.Value];
var rightSpan = CqlTree.Span[node.Right.Value];
CqlTree.Span[node] = new Range(leftSpan.Start, rightSpan.End);
}
return(left);
}
public static QsiExpressionNode CreateChainedBinaryExpression <TContext>(
string @operator,
IEnumerable <TContext> contexts,
Func <TContext, QsiExpressionNode> visitor,
Action <TContext, QsiExpressionNode> callback = null)
{
QsiExpressionNode node = null;
foreach (var context in contexts)
{
var elementNode = visitor(context);
if (node == null)
{
node = elementNode;
}
else
{
var binaryNode = new QsiBinaryExpressionNode
{
Operator = @operator
};
binaryNode.Left.SetValue(node);
binaryNode.Right.SetValue(elementNode);
node = binaryNode;
}
callback?.Invoke(context, node);
}
return(node);
}
public static QsiExpressionNode VisitTupleExpr(TupleExprContext context)
{
QsiExpressionNode node;
var leftNode = VisitTupleOfIdentifiers(context.l);
if (context.tupleInMarker != null || context.literals != null || context.markers != null)
{
var invokeNode = new QsiInvokeExpressionNode();
invokeNode.Member.SetValue(TreeHelper.CreateFunction(CqlKnownFunction.In));
invokeNode.Parameters.Add(leftNode);
if (context.tupleInMarker != null)
{
invokeNode.Parameters.Add(VisitBindParameter(context.tupleInMarker));
}
if (context.literals != null)
{
invokeNode.Parameters.Add(VisitTupleOfTupleLiterals(context.literals));
}
if (context.markers != null)
{
invokeNode.Parameters.Add(VisitTupleOfMarkersForTuples(context.markers));
}
node = invokeNode;
}
else if (context.literal != null || context.tupleMarker != null)
{
var binaryNode = new QsiBinaryExpressionNode
{
Operator = context.op.GetText()
};
binaryNode.Left.SetValue(leftNode);
if (context.literal != null)
{
binaryNode.Right.SetValue(VisitTupleLiteral(context.literal));
}
if (context.tupleMarker != null)
{
binaryNode.Right.SetValue(VisitBindParameter(context.tupleMarker));
}
node = binaryNode;
}
else
{
node = new CqlTupleExpressionNode();
}
CqlTree.PutContextSpan(node, context);
return(node);
}
public static QsiExpressionNode VisitColumnCondition(ColumnConditionContext context)
{
QsiExpressionNode node;
var leftNode = VisitCident(context.l);
if (context.element != null || context.field != null)
{
var memberAccessNode = new QsiMemberAccessExpressionNode();
memberAccessNode.Target.SetValue(leftNode);
if (context.element != null)
{
var indexerNode = new CqlIndexerExpressionNode();
indexerNode.Indexer.SetValue(VisitTerm(context.element));
memberAccessNode.Member.SetValue(indexerNode);
}
else
{
memberAccessNode.Member.SetValue(new QsiFieldExpressionNode
{
Identifier = new QsiQualifiedIdentifier(context.field.id)
});
}
leftNode = memberAccessNode;
}
if (context.op != null)
{
var binaryNode = new QsiBinaryExpressionNode
{
Operator = context.op.GetText()
};
binaryNode.Left.SetValue(leftNode);
binaryNode.Right.SetValue(VisitTerm(context.r1));
node = binaryNode;
}
else
{
var invokeNode = new QsiInvokeExpressionNode();
invokeNode.Member.SetValue(TreeHelper.CreateFunction(CqlKnownFunction.In));
invokeNode.Parameters.Add(leftNode);
invokeNode.Parameters.Add(VisitSingleColumnInValues(context.r2));
node = invokeNode;
}
CqlTree.PutContextSpan(node, context);
return(node);
}
public static QsiExpressionNode VisitNormalColumnOperation2(NormalColumnOperation2Context context)
{
var node = new QsiBinaryExpressionNode();
node.Left.SetValue(VisitCident(context.l));
node.Operator = context.sig.Text;
node.Right.SetValue(VisitTerm(context.r));
CqlTree.PutContextSpan(node, context);
return(node);
}
public static QsiExpressionNode VisitLogicalExpr1(LogicalExpr1Context context)
{
var node = new QsiBinaryExpressionNode
{
Operator = context.op.GetText()
};
node.Left.SetValue(VisitCident(context.l));
node.Right.SetValue(VisitTerm(context.r));
CqlTree.PutContextSpan(node, context);
return(node);
}
public static QsiExpressionNode VisitNormalColumnOperation1(NormalColumnOperation1Context context)
{
if (context.r == null)
{
return(VisitTerm(context.l));
}
var node = new QsiBinaryExpressionNode();
node.Left.SetValue(VisitTerm(context.l));
node.Operator = "+";
node.Right.SetValue(VisitCident(context.r));
CqlTree.PutContextSpan(node, context);
return(node);
}
public static QsiExpressionNode VisitLogicalExpr2(LogicalExpr2Context context)
{
var node = new QsiBinaryExpressionNode
{
Operator = context.op.GetText()
};
var leftNode = new QsiMemberAccessExpressionNode();
var indexerNode = new CqlIndexerExpressionNode();
indexerNode.Indexer.SetValue(VisitTerm(context.key));
leftNode.Target.SetValue(VisitCident(context.l));
leftNode.Member.SetValue(indexerNode);
node.Left.SetValue(leftNode);
node.Right.SetValue(VisitTerm(context.r));
CqlTree.PutContextSpan(node, context);
return(node);
}
