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       1             : //===- BlockPrinter.h - FDR Block Pretty Printer -------------------------===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : //
      10             : // An implementation of the RecordVisitor which formats a block of records for
      11             : // easier human consumption.
      12             : //
      13             : //===----------------------------------------------------------------------===//
      14             : #ifndef LLVM_INCLUDE_LLVM_XRAY_BLOCKPRINTER_H_
      15             : #define LLVM_INCLUDE_LLVM_XRAY_BLOCKPRINTER_H_
      16             : 
      17             : #include "llvm/Support/raw_ostream.h"
      18             : #include "llvm/XRay/FDRRecords.h"
      19             : #include "llvm/XRay/RecordPrinter.h"
      20             : 
      21             : namespace llvm {
      22             : namespace xray {
      23             : 
      24           1 : class BlockPrinter : public RecordVisitor {
      25             :   enum class State {
      26             :     Start,
      27             :     Preamble,
      28             :     Metadata,
      29             :     Function,
      30             :     Arg,
      31             :     CustomEvent,
      32             :     End,
      33             :   };
      34             : 
      35             :   raw_ostream &OS;
      36             :   RecordPrinter &RP;
      37             :   State CurrentState = State::Start;
      38             : 
      39             : public:
      40             :   explicit BlockPrinter(raw_ostream &O, RecordPrinter &P)
      41           1 :       : RecordVisitor(), OS(O), RP(P) {}
      42             : 
      43             :   Error visit(BufferExtents &) override;
      44             :   Error visit(WallclockRecord &) override;
      45             :   Error visit(NewCPUIDRecord &) override;
      46             :   Error visit(TSCWrapRecord &) override;
      47             :   Error visit(CustomEventRecord &) override;
      48             :   Error visit(CallArgRecord &) override;
      49             :   Error visit(PIDRecord &) override;
      50             :   Error visit(NewBufferRecord &) override;
      51             :   Error visit(EndBufferRecord &) override;
      52             :   Error visit(FunctionRecord &) override;
      53             : 
      54           3 :   void reset() { CurrentState = State::Start; }
      55             : };
      56             : 
      57             : } // namespace xray
      58             : } // namespace llvm
      59             : 
      60             : #endif // LLVM_INCLUDE_LLVM_XRAY_BLOCKPRINTER_H_