BinaryRuntime.cpp

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#include "BinaryRuntime.hpp"
#include "../../Codegen/Bytecode/BytecodeDeserializer.hpp"
#include "../../Runtime/Stdlib/StdLib.hpp"
#include "../../Runtime/VM/VM.hpp"
#include <filesystem>
#include <iostream>
 
#include <nativeerror.h>
 
namespace Phasor
{
 
BinaryRuntime::BinaryRuntime(int argc, char *argv[], char *envp[])
{
    m_args.envp = envp;
    parseArguments(argc, argv);
}
 
int BinaryRuntime::run()
{
    if (m_args.inputFile.empty())
    {
        std::cerr << "Error: No input file provided\n";
        return 1;
    }
 
    try
    {
        if (m_args.verbose)
            std::cerr << "DEBUG: Loading bytecode from: " << m_args.inputFile << std::endl;
 
        BytecodeDeserializer deserializer;
        Bytecode             bytecode = deserializer.loadFromFile(m_args.inputFile);
 
        if (m_args.verbose)
        {
            std::cerr << "DEBUG: Bytecode loaded successfully" << std::endl;
            std::cerr << "DEBUG: Instructions: " << bytecode.instructions.size() << std::endl;
            std::cerr << "DEBUG: Constants: " << bytecode.constants.size() << std::endl;
        }
 
        auto vm = std::make_unique<VM>();
        StdLib::registerFunctions(*vm);
        StdLib::argv = m_args.scriptArgv;
        StdLib::argc = m_args.scriptArgc;
        StdLib::envp = m_args.envp;
 
#if defined(_WIN32)
        vm->initFFI("plugins");
#elif defined(__APPLE__)
        vm->initFFI("/Library/Application Support/org.Phasor.Phasor/plugins");
#elif defined(__linux__)
        vm->initFFI("/usr/lib/phasor/plugins/");
#endif
 
        vm->setImportHandler([](const std::filesystem::path &path) {
            throw std::runtime_error("Imports not supported in pure binary runtime yet: " + path.string());
        });
 
        if (m_args.verbose)
            std::cerr << "DEBUG: About to run bytecode" << std::endl;
 
        int status = vm->run(bytecode);
 
        if (m_args.verbose)
            std::cerr << "DEBUG: Bytecode execution complete with return " << status << std::endl;
 
        return status;
    }
    catch (const std::exception &e)
    {
        error(e.what());
        return 1;
    }
}
 
void BinaryRuntime::parseArguments(int argc, char *argv[])
{
    int defaultArgLocation = 1;
    for (int i = 1; i < argc; i++)
    {
        std::string arg = argv[i];
 
        if (arg == "-v" || arg == "--verbose")
        {
            m_args.verbose = true;
        }
        else if (arg == "-h" || arg == "--help")
        {
            showHelp(argv[0]);
            exit(0);
        }
        else
        {
            defaultArgLocation = i;
            m_args.inputFile = arg;
            break; // Stop parsing after finding the input file
        }
    }
    m_args.scriptArgv = argv + defaultArgLocation;
    m_args.scriptArgc = argc - defaultArgLocation;
}
 
void BinaryRuntime::showHelp(const std::string &programName)
{
    std::string filename = std::filesystem::path(programName).filename().string();
    std::cout << "Phasor Binary Runtime\n\n";
    std::cout << "Usage:\n";
    std::cout << "  " << filename << " [options] <file.phsb> [...script args]\n\n";
    std::cout << "Options:\n";
    std::cout << "  -v, --verbose       Enable verbose output\n";
    std::cout << "  -h, --help          Show this help message\n";
}
 
} // namespace Phasor