BlockPrinter.cpp
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//===- BlockPrinter.cpp - FDR Block Pretty Printer Implementation --------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/XRay/BlockPrinter.h"
namespace llvm {
namespace xray {
Error BlockPrinter::visit(BufferExtents &R) {
OS << "\n[New Block]\n";
CurrentState = State::Preamble;
return RP.visit(R);
}
// Preamble printing.
Error BlockPrinter::visit(NewBufferRecord &R) {
if (CurrentState == State::Start)
OS << "\n[New Block]\n";
OS << "Preamble: \n";
CurrentState = State::Preamble;
return RP.visit(R);
}
Error BlockPrinter::visit(WallclockRecord &R) {
CurrentState = State::Preamble;
return RP.visit(R);
}
Error BlockPrinter::visit(PIDRecord &R) {
CurrentState = State::Preamble;
return RP.visit(R);
}
// Metadata printing.
Error BlockPrinter::visit(NewCPUIDRecord &R) {
if (CurrentState == State::Preamble)
OS << "\nBody:\n";
if (CurrentState == State::Function)
OS << "\nMetadata: ";
CurrentState = State::Metadata;
OS << " ";
auto E = RP.visit(R);
return E;
}
Error BlockPrinter::visit(TSCWrapRecord &R) {
if (CurrentState == State::Function)
OS << "\nMetadata:";
CurrentState = State::Metadata;
OS << " ";
auto E = RP.visit(R);
return E;
}
// Custom events will be rendered like "function" events.
Error BlockPrinter::visit(CustomEventRecord &R) {
if (CurrentState == State::Metadata)
OS << "\n";
CurrentState = State::CustomEvent;
OS << "* ";
auto E = RP.visit(R);
return E;
}
Error BlockPrinter::visit(CustomEventRecordV5 &R) {
if (CurrentState == State::Metadata)
OS << "\n";
CurrentState = State::CustomEvent;
OS << "* ";
auto E = RP.visit(R);
return E;
}
Error BlockPrinter::visit(TypedEventRecord &R) {
if (CurrentState == State::Metadata)
OS << "\n";
CurrentState = State::CustomEvent;
OS << "* ";
auto E = RP.visit(R);
return E;
}
// Function call printing.
Error BlockPrinter::visit(FunctionRecord &R) {
if (CurrentState == State::Metadata)
OS << "\n";
CurrentState = State::Function;
OS << "- ";
auto E = RP.visit(R);
return E;
}
Error BlockPrinter::visit(CallArgRecord &R) {
CurrentState = State::Arg;
OS << " : ";
auto E = RP.visit(R);
return E;
}
Error BlockPrinter::visit(EndBufferRecord &R) {
CurrentState = State::End;
OS << " *** ";
auto E = RP.visit(R);
return E;
}
} // namespace xray
} // namespace llvm