src/interface/dwarf/Parser.cpp

   1 #include "Parser.h"
   2
   3 namespace Aesalon {
   4 namespace Interface {
   5 namespace DWARF {
   6
   7 Word Parser::parse_leb128(Block block, bool is_signed) {
   8     Word result = 0;
   9     int shift = 0;
  10     Word offset = 0;
  11
  12     while(true) {
  13         if(is_signed) {
  14             break;
  15         }
  16         else {
  17             Byte next = block[offset++];
  18             result |= (next & 0x7f) << shift;
  19             if(next & 0x80) break;
  20         }
  21         shift += 7;
  22     }
  23
  24     block.erase(block.begin(), block.begin() + offset);
  25
  26     return result;
  27 }
  28
  29 } // namespace DWARF
  30 } // namespace Interface
  31 } // namespace Aesalon