Line data    Source code

       1             : //===- Formatters.cpp -----------------------------------------------------===//
       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             : #include "llvm/DebugInfo/CodeView/Formatters.h"
      11             : #include "llvm/ADT/ArrayRef.h"
      12             : #include "llvm/DebugInfo/CodeView/GUID.h"
      13             : #include "llvm/Support/raw_ostream.h"
      14             : #include <algorithm>
      15             : #include <cassert>
      16             : 
      17             : using namespace llvm;
      18             : using namespace llvm::codeview;
      19             : using namespace llvm::codeview::detail;
      20             : 
      21           0 : GuidAdapter::GuidAdapter(StringRef Guid)
      22           0 :     : FormatAdapter(makeArrayRef(Guid.bytes_begin(), Guid.bytes_end())) {}
      23             : 
      24          22 : GuidAdapter::GuidAdapter(ArrayRef<uint8_t> Guid)
      25          44 :     : FormatAdapter(std::move(Guid)) {}
      26             : 
      27          22 : void GuidAdapter::format(raw_ostream &Stream, StringRef Style) {
      28             :   static const char *Lookup = "0123456789ABCDEF";
      29             : 
      30             :   assert(Item.size() == 16 && "Expected 16-byte GUID");
      31          22 :   Stream << "{";
      32         374 :   for (int i = 0; i < 16;) {
      33         352 :     uint8_t Byte = Item[i];
      34         352 :     uint8_t HighNibble = (Byte >> 4) & 0xF;
      35         352 :     uint8_t LowNibble = Byte & 0xF;
      36         704 :     Stream << Lookup[HighNibble] << Lookup[LowNibble];
      37         352 :     ++i;
      38         352 :     if (i >= 4 && i <= 10 && i % 2 == 0)
      39          88 :       Stream << "-";
      40             :   }
      41          22 :   Stream << "}";
      42          22 : }
      43             : 
      44          18 : raw_ostream &llvm::codeview::operator<<(raw_ostream &OS, const GUID &Guid) {
      45          36 :   codeview::detail::GuidAdapter A(Guid.Guid);
      46          18 :   A.format(OS, "");
      47          18 :   return OS;
      48             : }