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main.cpp
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main.cpp
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//
// HAC/65 6502 Inferencing Disassembler
//
// This work is licensed under the MIT License <https://opensource.org/licenses/MIT>
// Copyright 2018 David Hinson <https://github.com/dhinson919>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
// Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Portions of this work are derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm
//
#include <cstdlib>
#include <getopt.h>
#include <sstream>
#include "IHac65.hpp"
using namespace Hac65;
static uint16_t
ParseDigitsArg (const char *pFailText)
{
uint16_t result{};
try
{
result = FlexIntToUint16(::optarg);
}
catch (const Hac65Exception &exc)
{
std::string what{pFailText};
what += exc.what();
throw UsageError(what);
}
return result;
}
int
main (int argc, char *argv[])
{
IHac65 &hac65{GetHac65()};
auto pAnalyzer{hac65.MakeAnalyzer()};
auto pLoader{hac65.MakeLoader()};
auto pReporter{hac65.MakeReporter()};
try
{
int opt{};
while ((opt = ::getopt(argc, argv, "hvS:E:A:o:iR:")) != -1)
{
switch (opt)
{
// General options:
case 'h': throw UsageError(kUsageText, 0);
case 'v': throw UsageError(kVersionText, 0);
// Loader options:
case 'S':
{
uint16_t value{ParseDigitsArg("-S arg contains ")};
pLoader->SetStartPosition(value);
}
break;
case 'E':
{
uint16_t value{ParseDigitsArg("-E arg contains ")};
pLoader->SetEndPosition(value);
}
break;
case 'A': pLoader->SetArchitecture(::optarg); break;
// Analyzer options:
case 'o':
{
uint16_t value{ParseDigitsArg("-o arg contains ")};
pAnalyzer->DeclareOriginAddress(value);
}
break;
case 'i': pAnalyzer->SetIlluminatingMode(); break;
// Reporter options:
case 'R': pReporter->SetReportFlags(::optarg); break;
default: throw UsageError(kUsageText);
}
}
if (argc < 2)
throw UsageError(kUsageText);
std::string objectFilename;
if (argc == ::optind)
throw UsageError(kUsageText);
else if (argc > ::optind)
{
if (argc - ::optind > 1)
throw UsageError(kUsageText);
objectFilename = argv[::optind];
}
pLoader->SetObjectFilename(objectFilename);
// Load object file:
pLoader->Load(pAnalyzer);
// Analyze assembly:
pAnalyzer->Analyze();
// Report findings:
std::string timeStr;
{
const ::time_t unixTime{::time(nullptr)};
const struct tm *pTm{::gmtime(&unixTime)};
char buf[25];
strftime(buf, sizeof buf, "%c", pTm);
timeStr = buf;
}
std::ostringstream command;
for (auto count{0}; count < argc; ++count)
if (count == 0)
{
char *pSeperator{::strrchr(argv[count], '/')};
command << (pSeperator ? pSeperator + 1 : argv[count]);
}
else
command << ' ' << argv[count];
pReporter->Report(pLoader, pAnalyzer, timeStr, command.str(), std::cout);
}
catch (const Hac65Exception &exc)
{
const char *what{exc.what()};
if (what != nullptr)
{
if (exc._exitCode != 0)
std::cerr << "Error: ";
std::cerr << what << std::endl;
}
::exit(exc._exitCode);
}
catch (const std::exception &exc)
{
const char *what{exc.what()};
if (what != nullptr)
std::cerr << "Unusual Error: " << what << std::endl;
::exit(1);
}
return 0;
}