#include "Compiler.h"

#include "segappend.h"

#include <filesystem>

#include <iostream>

#include <array>

namespace charon {

int compile(const char *executable, const char *sourceFile,

const char *outputFile) {

auto f = std::fopen(sourceFile, "r");

if (!f) {

std::cout << "Failed to open file: " << sourceFile << std::endl;

return 1;

}

auto source = std::string{};

auto buf = std::array<char, 1024>{};

while (auto n = std::fread(buf.data(), 1, buf.size(), f)) {

source.append(buf.data(), n);

}

std::fclose(f);

std::filesystem::copy_file(executable, outputFile,

std::filesystem::copy_options::overwrite_existing);

auto codesign = std::string{"codesign --remove-signature "} + outputFile;

auto code = std::system(codesign.c_str());

auto hbc = std::fopen(sourceFile, "r");

if (!hbc) {

std::cout << "Failed to open file: " << sourceFile << std::endl;

return 1;

}

auto hbcSize = std::filesystem::file_size(sourceFile);

auto hbcData = malloc(hbcSize + 8);

auto hbcStart = (uint8_t *)hbcData + 8;

std::fread(hbcStart, 1, hbcSize, hbc);

std::fclose(hbc);

*((size_t *)hbcData) = hbcSize;

auto status = segappend_create_segment(outputFile, "__charon_start", hbcData,

hbcSize + 8, outputFile);

if (status != segappend_ok) {

std::cout << "Failed to append segment: " << status << std::endl;

return 1;

}

codesign = std::string{"codesign -fs - "} + outputFile;

code = std::system(codesign.c_str());

std::cout << "Compiled " << sourceFile << " to " << outputFile << std::endl;

return 0;

}

} // namespace charon