/// <summary>
/// Constructs a new DebugLocator based on a source locator and current line information.
/// </summary>
/// <param name="locator">The source locator.</param>
/// <param name="line">The current line number (1-based)</param>
/// <param name="linePos">The current line position (1-based)</param>
public DebugLocator(DebugLocator locator, int line, int linePos) : base()
{
_locator = locator.Locator;
_line = locator.Line < 1 ? line : (locator.Line + Math.Max(line - 1, 0));
linePos = Math.Max(linePos - 1, 0);
_linePos = locator.Line == line?Math.Max(locator.LinePos - 1, 0) + linePos : linePos;
}
private bool ShouldBreak(ServerProcess process, PlanNode node)
{
if (_disposed)
{
return(false);
}
if (process.ShouldBreak())
{
return(true);
}
if (_breakpoints.Count > 0)
{
DebugLocator currentLocation = process.ExecutingProgram.GetCurrentLocation();
// Determine whether or not a breakpoint has been hit
for (int index = 0; index < _breakpoints.Count; index++)
{
Breakpoint breakpoint = _breakpoints[index];
if
(
(breakpoint.Locator == currentLocation.Locator) &&
(breakpoint.Line == currentLocation.Line) &&
((breakpoint.LinePos == -1) || (breakpoint.LinePos == currentLocation.LinePos))
)
{
return(true);
}
}
}
return(false);
}
public CallStackEntry(int index, string description, DebugLocator locator, string location, string statement)
{
_index = index;
_description = description;
_locator = locator;
_location = location;
_statement = statement;
}
/// <summary>
/// Dynamic debug locator used as the locator for all dynamic execution.
/// </summary>
//public static DebugLocator Dynamic = new DebugLocator("DYNAMIC", 1, 1);
public override bool Equals(object other)
{
DebugLocator localOther = other as DebugLocator;
if (localOther != null && localOther._locator == this._locator && localOther._line == this._line && localOther._linePos == this._linePos)
{
return(true);
}
else
{
return(base.Equals(other));
}
}
public override object InternalExecute(Program program, object argument1)
{
if (argument1 == null)
{
return(null);
}
string locator = (string)argument1;
if (DebugLocator.IsProgramLocator(locator))
{
return(program.ServerProcess.ServerSession.CheckedDebugger.GetProgram(DebugLocator.GetProgramID(locator)).Source);
}
if (DebugLocator.IsOperatorLocator(locator))
{
return(new D4TextEmitter().Emit(((Schema.Operator)program.ResolveCatalogObjectSpecifier(DebugLocator.GetOperatorSpecifier(locator), true)).EmitStatement(EmitMode.ForCopy)));
}
throw new ServerException(ServerException.Codes.InvalidDebugLocator, locator);
}
public SourceContext(string script, DebugLocator locator) : base()
{
_script = script;
_locator = locator;
}
/// <summary>
/// Returns the current call stack of a process.
/// </summary>
public CallStack GetCallStack(int processID)
{
lock (_syncHandle)
{
CheckPaused();
ServerProcess process = _processes.GetProcess(processID);
CallStack callStack = new CallStack();
if (process.IsRunning)
{
for (int programIndex = process.ExecutingPrograms.Count - 1; programIndex > 0; programIndex--)
{
Program program = process.ExecutingPrograms[programIndex];
PlanNode currentNode = program.CurrentNode;
bool afterNode = program.AfterNode;
foreach (RuntimeStackWindow window in program.Stack.GetCallStack())
{
callStack.Add
(
new CallStackEntry
(
callStack.Count,
window.Originator != null
? window.Originator.Description
:
(
program.Code != null
? program.Code.Description
: window.Locator.Locator
),
currentNode != null
?
new DebugLocator
(
window.Locator,
afterNode ? currentNode.EndLine : currentNode.Line,
(afterNode && currentNode.Line != currentNode.EndLine) ? currentNode.EndLinePos : currentNode.LinePos
)
: new DebugLocator(window.Locator, -1, -1),
window.Originator != null
? DebugLocator.OperatorLocator(window.GetOriginatingOperator().DisplayName)
: DebugLocator.ProgramLocator(program.ID),
currentNode != null
? currentNode.SafeEmitStatementAsString()
:
(
program.Code != null
? program.Code.SafeEmitStatementAsString()
: "<no statement available>"
)
)
);
currentNode = window.Originator;
afterNode = false;
}
}
}
return(callStack);
}
}
