//// Dis VM// File: module_resolver.cpp// Author: arr// #include <cassert>#include <fstream>#include <sstream>#include <disvm.h>#include <debug.h>#include <exceptions.h>#include "module_resolver.h" using disvm::debug::component_trace_t;using disvm::debug::log_level_t; using disvm::runtime::default_resolver_t;using disvm::runtime::vm_module_t;using disvm::runtime::vm_module_resolver_t; // Empty destructor for vm module resolver 'interface'vm_module_resolver_t::~vm_module_resolver_t(){ } default_resolver_t::default_resolver_t(disvm::vm_t &vm)    : _vm{ vm }{ } default_resolver_t::default_resolver_t(disvm::vm_t &vm, std::vector<std::string> probing_paths)    : _probing_paths{ std::move(probing_paths) }    , _vm{ vm }{ } default_resolver_t::~default_resolver_t(){ } bool default_resolver_t::try_resolve_module(const char *path, std::unique_ptr<vm_module_t> &new_module){    assert(path != nullptr);     auto log = disvm::debug::is_component_tracing_enabled<component_trace_t::module>();    if (log)        disvm::debug::log_msg(component_trace_t::module, log_level_t::debug, "resolve: try module path: >>%s<<", path);     auto module_file = std::ifstream{ path, std::ifstream::binary };    if (!module_file.is_open())    {        // The raw path isn't valid, try using probing paths        for (auto p : _probing_paths)        {            p.append(path);            if (log)                disvm::debug::log_msg(component_trace_t::module, log_level_t::debug, "resolve: try module path: >>%s<<", p.c_str());             module_file = std::ifstream{ p, std::ifstream::binary };            if (module_file.is_open())            {                if (log)                    disvm::debug::log_msg(component_trace_t::module, log_level_t::debug, "resolve: successful modified module path: >>%s<< >>%s<<", path, p.c_str());                 break;            }        }         if (!module_file.is_open())        {            push_syscall_error_message(_vm, "Unable to resolve path");            return false;        }    }     new_module = disvm::read_module(module_file);    assert(new_module != nullptr);     return true;}