public void DisplayBindVariableUsages(ActionExecutionContext executionContext)
{
var terminal = executionContext.DocumentRepository.Statements.GetTerminalAtPosition(executionContext.CaretOffset);
if (terminal == null || !String.Equals(terminal.Id, Terminals.BindVariableIdentifier))
{
return;
}
var nodes = executionContext.DocumentRepository.ValidationModels.Values
.Select(v => FindUsagesCommand.GetBindVariable((OracleStatementSemanticModel)v.SemanticModel, terminal.Token.Value))
.Where(v => v != null)
.SelectMany(v => v.Nodes);
executionContext.SegmentsToReplace.AddRange(
nodes.Select(n =>
new TextSegment
{
IndextStart = n.SourcePosition.IndexStart,
Length = n.SourcePosition.Length,
DisplayOptions = DisplayOptions.Usage
}));
}
public MultiNodeEditorData GetMultiNodeEditorData(ActionExecutionContext executionContext)
{
var multiNodeData = new MultiNodeEditorData {
SynchronizedSegments = new SourcePosition[0]
};
var terminal = executionContext.DocumentRepository.Statements.GetTerminalAtPosition(executionContext.CaretOffset, n => !String.Equals(n.Id, Terminals.Comma) && !String.Equals(n.Id, Terminals.Dot) && !String.Equals(n.Id, Terminals.RightParenthesis));
if (executionContext.SelectionLength > 0 || terminal?.Id.IsIdentifierOrAlias() != true)
{
return(multiNodeData);
}
multiNodeData.CurrentNode = terminal;
var semanticModel = (OracleStatementSemanticModel)executionContext.DocumentRepository.ValidationModels[terminal.Statement].SemanticModel;
OracleColumnReference columnReference;
OracleQueryBlock cteQueryBlock;
switch (terminal.Id)
{
case Terminals.ObjectAlias:
var objectReference = semanticModel.AllReferenceContainers
.SelectMany(c => c.ObjectReferences)
.SingleOrDefault(o => o.AliasNode == terminal);
var synchronizedSegments = new List <SourcePosition>();
cteQueryBlock = semanticModel.QueryBlocks.SingleOrDefault(qb => qb.AliasNode == terminal);
if (objectReference == null && cteQueryBlock != null)
{
synchronizedSegments.AddRange(GetDataObjectReferences(cteQueryBlock).Select(o => o.ObjectNode.SourcePosition));
}
var objectQualifiedColumnSynchronizedSegments = semanticModel.AllReferenceContainers
.SelectMany(c => c.ColumnReferences)
.Where(c => c.ObjectNode != null && c.ValidObjectReference != null && (c.ValidObjectReference == objectReference || IsCommonTableExpressionColumnReference(cteQueryBlock, c)))
.Concat(GetCommonTableExpressionObjectPrefixedColumnReferences(cteQueryBlock))
.Select(c => c.ObjectNode.SourcePosition);
synchronizedSegments.AddRange(objectQualifiedColumnSynchronizedSegments);
multiNodeData.SynchronizedSegments = synchronizedSegments.AsReadOnly();
break;
case Terminals.ObjectIdentifier:
var editNodes = new List <SourcePosition>();
columnReference = semanticModel.GetReference <OracleColumnReference>(terminal);
var objectReferences = new HashSet <OracleDataObjectReference>();
var dataObjectReferenceCandidate = columnReference?.ValidObjectReference as OracleDataObjectReference;
if (dataObjectReferenceCandidate != null)
{
objectReferences.Add(dataObjectReferenceCandidate);
}
else
{
dataObjectReferenceCandidate = semanticModel.GetReference <OracleDataObjectReference>(terminal);
}
if (dataObjectReferenceCandidate?.Type == ReferenceType.CommonTableExpression)
{
objectReferences.Add(dataObjectReferenceCandidate);
if (dataObjectReferenceCandidate.QueryBlocks.Count == 1)
{
cteQueryBlock = dataObjectReferenceCandidate.QueryBlocks.First();
var cteColumnReferences = GetCommonTableExpressionObjectPrefixedColumnReferences(cteQueryBlock);
editNodes.AddRange(cteColumnReferences.Select(c => c.ObjectNode.SourcePosition));
editNodes.AddRange(GetDataObjectReferences(cteQueryBlock).Where(o => o != dataObjectReferenceCandidate).Select(o => o.ObjectNode.SourcePosition));
StatementGrammarNode cteAliasNode;
if (cteQueryBlock.AliasNode == null)
{
cteQueryBlock = cteQueryBlock.AllPrecedingConcatenatedQueryBlocks.Last();
cteAliasNode = cteQueryBlock.AliasNode;
var referencesToCte = semanticModel.AllReferenceContainers.SelectMany(c => c.ObjectReferences).Where(o => o.QueryBlocks.Count == 1 && o.QueryBlocks.First() == cteQueryBlock);
objectReferences.UnionWith(referencesToCte);
}
else
{
cteAliasNode = cteQueryBlock.AliasNode;
}
editNodes.Add(cteAliasNode.SourcePosition);
}
}
foreach (var dataObjectReference in objectReferences)
{
if (dataObjectReference.AliasNode != null && columnReference != null)
{
editNodes.Add(dataObjectReference.AliasNode.SourcePosition);
}
else if (dataObjectReference.Type == ReferenceType.CommonTableExpression && dataObjectReference.ObjectNode != terminal)
{
editNodes.Add(dataObjectReference.ObjectNode.SourcePosition);
}
if (dataObjectReference.AliasNode == null || columnReference != null)
{
var editNodesSource = semanticModel.AllReferenceContainers
.SelectMany(c => c.ColumnReferences)
.Where(r => r.ObjectNode != null && r != columnReference && r.ValidObjectReference == dataObjectReference)
.Select(r => r.ObjectNode.SourcePosition);
editNodes.AddRange(editNodesSource);
}
}
multiNodeData.SynchronizedSegments = editNodes.AsReadOnly();
break;
case Terminals.BindVariableIdentifier:
var bindVariable = FindUsagesCommand.GetBindVariable(semanticModel, terminal.Token.Value);
multiNodeData.SynchronizedSegments = bindVariable.Nodes.Where(n => n != terminal).Select(t => t.SourcePosition).ToArray();
break;
case Terminals.ColumnAlias:
var selectListColumn = semanticModel.AllReferenceContainers
.OfType <OracleSelectListColumn>()
.SingleOrDefault(c => c.AliasNode == terminal);
if (selectListColumn != null)
{
multiNodeData.SynchronizedSegments = FindUsagesCommand.GetParentQueryBlockColumnUsages(selectListColumn)
.TakeWhile(t => String.Equals(t.Token.Value.ToQuotedIdentifier(), selectListColumn.NormalizedName))
.Select(t => t.SourcePosition)
.ToArray();
}
else
{
goto case Terminals.Identifier;
}
break;
case Terminals.Identifier:
multiNodeData.SynchronizedSegments = FindUsagesCommand.GetColumnUsages(semanticModel, terminal, true)
.Where(t => t != terminal)
.Select(t => t.SourcePosition)
.ToArray();
break;
}
return(multiNodeData);
}