void (InstructionInfo instructionInfo, XPathContext xPathContext) { if (MUTED) return; trace("<" + instructionInfo + ">"); if (instructionInfo instanceof TraceExpression) { myDebugger.enter(new Saxon9StyleFrame(myDebugger.getCurrentFrame(), (TraceExpression)instructionInfo, xPathContext)); } else if (instructionInfo instanceof InstructionDetails) { myDebugger.enter(new VirtualFrame(myDebugger.getCurrentFrame(), (InstructionDetails)instructionInfo)); } }