public List <DAPVariable> GetRow(DAPVariablesRequest msg, int rowIndex)
{
if (rowIndex < 0 || rowIndex >= Tuples.Count)
{
throw new RequestFailedException($"Requested nonexistent row {rowIndex}");
}
int startIndex = msg.start == null ? 0 : (int)msg.start;
int numVars = (msg.count == null || msg.count == 0) ? NumColumns : (int)msg.count;
int lastIndex = Math.Min(startIndex + numVars, NumColumns);
// TODO req.filter, format
var row = Tuples[rowIndex];
var variables = new List <DAPVariable>();
for (var i = startIndex; i < startIndex + numVars; i++)
{
var dapVar = new DAPVariable
{
name = ColumnNames == null?i.ToString() : ColumnNames[i],
value = Formatter.ValueToString(row.Column[i])
};
variables.Add(dapVar);
}
return(variables);
}
public List <DAPVariable> GetRows(DAPVariablesRequest msg)
{
int startIndex = msg.start == null ? 0 : (int)msg.start;
int numVars = (msg.count == null || msg.count == 0) ? Tuples.Count : (int)msg.count;
int lastIndex = Math.Min(startIndex + numVars, Tuples.Count);
// TODO req.filter, format
var variables = new List <DAPVariable>();
for (var i = startIndex; i < startIndex + numVars; i++)
{
var row = Tuples[i];
var dapVar = new DAPVariable
{
name = i.ToString(),
value = "(" + Formatter.TupleToString(row) + ")",
#pragma warning disable CS0675 // Bitwise-or operator used on a sign-extended operand
variablesReference = VariableIndexPrefix | i,
#pragma warning restore CS0675 // Bitwise-or operator used on a sign-extended operand
indexedVariables = ColumnNames == null ? NumColumns : 0,
namedVariables = ColumnNames == null ? 0 : NumColumns
};
variables.Add(dapVar);
}
return(variables);
}
public List <DAPVariable> GetVariables(DAPVariablesRequest msg, long variablesReference)
{
long variableType = (variablesReference >> 48);
if (variableType == 1)
{
int resultSetIdx = (int)((variablesReference >> 24) & 0xffffff);
if (resultSetIdx < 0 || resultSetIdx >= Results.Count)
{
throw new InvalidOperationException($"Evaluation result set ID does not exist {resultSetIdx}");
}
return(Results[resultSetIdx].GetRows(msg));
}
else if (variableType == 2)
{
int resultSetIdx = (int)((variablesReference >> 24) & 0xffffff);
if (resultSetIdx < 0 || resultSetIdx >= Results.Count)
{
throw new InvalidOperationException($"Evaluation result set ID does not exist {resultSetIdx}");
}
int rowIndex = (int)(msg.variablesReference & 0xffffff);
return(Results[resultSetIdx].GetRow(msg, rowIndex));
}
else
{
throw new InvalidOperationException($"EvaluationResultManager does not support this variable type: {variableType}");
}
}
private List <DAPVariable> GetQueryResultVariables(DAPVariablesRequest msg, int frameIndex)
{
if (frameIndex != 0)
{
throw new RequestFailedException($"Requested query results for bad frame {frameIndex}");
}
int startIndex = msg.start == null ? 0 : (int)msg.start;
int numVars = (msg.count == null || msg.count == 0) ? LastQueryResults.Count : (int)msg.count;
int lastIndex = Math.Min(startIndex + numVars, LastQueryResults.Count);
// TODO req.filter, format
var variables = new List <DAPVariable>();
for (var i = startIndex; i < startIndex + numVars; i++)
{
var variable = LastQueryResults[i];
var dapVar = new DAPVariable
{
name = variable.Name,
value = variable.Value,
type = variable.Type
};
variables.Add(dapVar);
}
return(variables);
}
private List <DAPVariable> GetStackVariables(DAPVariablesRequest msg, int frameIndex)
{
if (frameIndex < 0 || frameIndex >= Stack.Count)
{
throw new RequestFailedException($"Requested variables for unknown frame {frameIndex}");
}
var frame = Stack[frameIndex];
int startIndex = msg.start == null ? 0 : (int)msg.start;
int numVars = (msg.count == null || msg.count == 0) ? frame.Variables.Count : (int)msg.count;
int lastIndex = Math.Min(startIndex + numVars, frame.Variables.Count);
// TODO req.filter, format
var variables = new List <DAPVariable>();
for (var i = startIndex; i < startIndex + numVars; i++)
{
var variable = frame.Variables[i];
var dapVar = new DAPVariable
{
name = variable.Name,
value = variable.Value,
type = variable.Type
};
variables.Add(dapVar);
}
return(variables);
}
private void HandleVariablesRequest(DAPRequest request, DAPVariablesRequest msg)
{
if (!Stopped)
{
throw new RequestFailedException("Cannot get variables when story is running");
}
long variableType = (msg.variablesReference >> 48);
List <DAPVariable> variables;
if (variableType == 0)
{
int frameIndex = (int)msg.variablesReference - 1;
variables = GetStackVariables(msg, frameIndex);
}
else if (variableType == 1 || variableType == 2)
{
variables = EvalResults.GetVariables(msg, msg.variablesReference);
}
else if (variableType == 3)
{
int frameIndex = (int)(msg.variablesReference & 0xffffff);
variables = GetQueryResultVariables(msg, frameIndex);
}
else
{
throw new InvalidOperationException($"Unknown variables reference type: {msg.variablesReference}");
}
var reply = new DAPVariablesResponse
{
variables = variables
};
Stream.SendReply(request, reply);
}
