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// Copyright (c) 2017 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "PDB repository" project.
// For details, see https://github.com/egor-tensin/pdb-repo.
// Distributed under the MIT License.
#include "command_line.hpp"
#include "pdb_descr.hpp"
#include "pdb/all.hpp"
#include <boost/program_options.hpp>
#include <exception>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
namespace
{
class Addr2Name : public SettingsParser
{
public:
explicit Addr2Name(const std::string& argv0)
: SettingsParser{argv0, build_options(), build_args()}
{ }
bool exit_with_usage() const { return help_flag; }
const char* get_short_description() const override
{
return "[-h|--help] [--pdb ADDR,PATH]... [--] [ADDR]...";
}
std::vector<PDB> pdbs;
std::vector<pdb::Address> addresses;
bool lines = false;
private:
Options build_options()
{
namespace program_options = boost::program_options;
Options descr{"options"};
descr.add_options()
("help,h",
program_options::bool_switch(&help_flag),
"show this message and exit")
("pdb",
program_options::value<std::vector<PDB>>(&pdbs)
->value_name("ADDR,PATH"),
"load a PDB file")
("address",
program_options::value<std::vector<pdb::Address>>(&addresses)
->value_name("ADDR"),
"add an address to resolve")
("lines,l",
program_options::bool_switch(&lines),
"try to resolve source files & line numbers");
return descr;
}
static Arguments build_args()
{
Arguments descr;
descr.add("address", -1);
return descr;
}
bool help_flag = false;
};
std::string format_symbol(const pdb::Module& module, const pdb::Symbol& symbol)
{
std::ostringstream oss;
oss << module.get_name() << '!' << symbol.get_name();
const auto displacement = symbol.get_displacement();
if (displacement)
oss << '+' << pdb::format_address(displacement);
return oss.str();
}
std::string format_line_info(const pdb::LineInfo& line_info)
{
std::ostringstream oss;
oss << '[' << line_info.file_path << " @ " << line_info.line_number << ']';
return oss.str();
}
void dump_error(const std::exception& e)
{
std::cerr << "error: " << e.what() << '\n';
}
void resolve_symbol(const pdb::Repo& repo, pdb::Address address, bool lines = false)
{
try
{
const auto symbol = repo.resolve_symbol(address);
const auto& module = repo.module_with_offline_base(symbol.get_offline_base());
std::ostringstream msg;
msg << format_symbol(module, symbol);
if (lines)
{
try
{
const auto line_info = repo.resolve_line(address);
msg << ' ' << format_line_info(line_info);
}
catch (const std::exception& e)
{
dump_error(e);
}
}
std::cout << msg.str() << '\n';
}
catch (const std::exception& e)
{
dump_error(e);
std::cout << pdb::format_address(address) << '\n';
}
}
}
int main(int argc, char* argv[])
{
try
{
const Addr2Name settings{argv[0]};
try
{
settings.parse(argc, argv);
}
catch (const boost::program_options::error& e)
{
settings.usage_error(e);
return 1;
}
if (settings.exit_with_usage())
{
settings.usage();
return 0;
}
pdb::Repo repo;
for (const auto& pdb : settings.pdbs)
repo.add_pdb(pdb.online_base, pdb.path);
for (const auto& address : settings.addresses)
resolve_symbol(repo, address, settings.lines);
}
catch (const std::exception& e)
{
dump_error(e);
return 1;
}
return 0;
}
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