NativeRuntime.cpp

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#include "NativeRuntime.hpp"
#include "../../Language/Phasor/Lexer/Lexer.hpp"
#include "../../Language/Phasor/Parser/Parser.hpp"
#include "../../AST/AST.hpp"
#include "../../Codegen/CodeGen.hpp"
#include "../../Codegen/Bytecode/BytecodeDeserializer.hpp"
#include "../../Codegen/Bytecode/BytecodeSerializer.hpp"
#include "../../Codegen/Cpp/CppCodeGenerator.hpp"
#include "../../Runtime/VM/VM.hpp"
#include "../../Runtime/Stdlib/StdLib.hpp"
#include <filesystem>
#include <iostream>
#include <nativeerror.h>
 
namespace Phasor
{
 
NativeRuntime::NativeRuntime(const std::vector<uint8_t> &bytecodeData, const int argc, const char **argv)
    : m_bytecodeData(bytecodeData), m_argc(argc), m_argv(const_cast<char **>(argv))
{
    BytecodeDeserializer deserializer;
    m_bytecode = deserializer.deserialize(m_bytecodeData);
    m_vm = std::make_unique<VM>();
}
 
NativeRuntime::NativeRuntime(const Phasor::Bytecode &bytecode, const int argc, const char **argv)
    : m_bytecode(bytecode), m_argc(argc), m_argv(const_cast<char **>(argv))
{
    m_vm = std::make_unique<VM>();
}
 
NativeRuntime::NativeRuntime(const std::string &script, const int argc, const char **argv)
    : m_script(script), m_argc(argc), m_argv(const_cast<char **>(argv))
{
    Lexer lexer(m_script);
    auto  tokens = lexer.tokenize();
 
    Parser parser(tokens);
    auto   program = parser.parse();
 
    CodeGenerator codegen;
    m_bytecode = codegen.generate(*program);
    m_vm = std::make_unique<VM>();
}
 
NativeRuntime::NativeRuntime(const Phasor::VM &vm, const std::string &script, const int argc, const char **argv)
    : m_vm(const_cast<VM *>(&vm), [](VM *) {}), m_script(script), m_argc(argc), m_argv(const_cast<char **>(argv))
{
    Lexer         lexer(m_script);
    Parser        parser(lexer.tokenize());
    CodeGenerator codegen;
    m_bytecode = codegen.generate(*parser.parse());
}
 
NativeRuntime::NativeRuntime(Phasor::VM *vm, const std::vector<uint8_t> &bytecodeData, const int argc,
                             const char **argv)
    : m_bytecodeData(bytecodeData), m_argc(argc), m_argv(const_cast<char **>(argv))
{
    if (vm)
        m_vm = std::shared_ptr<VM>(vm, [](VM *) {}); // non-owning, caller manages lifetime
    else
        m_vm = std::make_shared<VM>(); // owning, we manage lifetime
 
    BytecodeDeserializer deserializer;
    m_bytecode = deserializer.deserialize(m_bytecodeData);
}
 
NativeRuntime::~NativeRuntime()
{
    m_vm.reset();
    m_vm = nullptr;
}
 
void NativeRuntime::addNativeFunction(const std::string &name, void *function)
{
    using RawFunctionPtr = Value (*)(const std::vector<Value> &, VM *);
    RawFunctionPtr rawPtr = reinterpret_cast<RawFunctionPtr>(function);
    NativeFunction nativeFunction = rawPtr;
    m_vm->registerNativeFunction(name, nativeFunction);
}
 
int NativeRuntime::eval(VM *vm, const std::string &script)
{
    Lexer lexer(script);
    auto  tokens = lexer.tokenize();
 
    Parser parser(tokens);
    auto   program = parser.parse();
 
    CodeGenerator codegen;
    auto          bytecode = codegen.generate(*program);
 
    return vm->run(bytecode);
}
 
int NativeRuntime::run()
{
 
    try
    {
        StdLib::argc = m_argc;
        StdLib::argv = m_argv;
        StdLib::registerFunctions(*m_vm);
#if defined(_WIN32)
        m_vm->initFFI("plugins");
#elif defined(__APPLE__)
        m_vm->initFFI("/Library/Application Support/org.Phasor.Phasor/plugins");
#elif defined(__linux__)
        m_vm->initFFI("/usr/lib/phasor/plugins/");
#endif
        m_vm->setImportHandler([](const std::filesystem::path &path) {
            throw std::runtime_error("Imports not supported in pure binary runtime yet: " + path.string());
        });
 
        int status = m_vm->run(m_bytecode);
 
        if (status != 0)
        {
            m_vm->reset(true, false, false);
            m_vm->resetStatus();
        }
 
        return status;
    }
    catch (const std::exception &)
    {
        throw;
    }
    return 0;
}
 
int NativeRuntime::runFunctionInt(std::string functionName)
{
    try
    {
        StdLib::argc = m_argc;
        StdLib::argv = m_argv;
        StdLib::registerFunctions(*m_vm);
#if defined(_WIN32)
        m_vm->initFFI("plugins");
#elif defined(__APPLE__)
        m_vm->initFFI("/Library/Application Support/org.Phasor.Phasor/plugins");
#elif defined(__linux__)
        m_vm->initFFI("/usr/lib/phasor/plugins/");
#endif
        m_vm->setImportHandler([](const std::filesystem::path &path) {
            throw std::runtime_error("Imports not supported in pure binary runtime yet: " + path.string());
        });
 
        Value ret = m_vm->runFunction(functionName, m_bytecode);
 
        return static_cast<int>(ret.asInt());
    }
    catch (const std::exception &)
    {
        throw;
    }
    return 0;
}
 
std::optional<std::string> NativeRuntime::runFunctionString(std::string functionName)
{
    try
    {
        StdLib::argc = m_argc;
        StdLib::argv = m_argv;
        StdLib::registerFunctions(*m_vm);
#if defined(_WIN32)
        m_vm->initFFI("plugins");
#elif defined(__APPLE__)
        m_vm->initFFI("/Library/Application Support/org.Phasor.Phasor/plugins");
#elif defined(__linux__)
        m_vm->initFFI("/usr/lib/phasor/plugins/");
#endif
        m_vm->setImportHandler([](const std::filesystem::path &path) {
            throw std::runtime_error("Imports not supported in pure binary runtime yet: " + path.string());
        });
 
        Value ret = m_vm->runFunction(functionName, m_bytecode);
 
        return ret.asString();
    }
    catch (const std::exception &)
    {
        throw;
    }
    return std::nullopt;
}
 
} // namespace Phasor