system_exception.h

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#pragma once
#include <cstdint>
#include <optional>
#include <stdexcept>
#include <system_error>
#include "core_export.h"
#include "literals.h"
#include "object.h"
#include "ustring.h"
#include "diagnostics/stack_frame.h"
#include "diagnostics/stack_trace.h"

namespace xtd {
  class core_export_ system_exception : public object, public std::exception {
  public:
    
    using exception_ref = std::optional<std::reference_wrapper<const std::exception>>;
    
    
    explicit system_exception(const xtd::diagnostics::stack_frame& information = xtd::diagnostics::stack_frame::empty()) : system_exception(default_message(), nullptr, std::error_code(), "", information) {}
    explicit system_exception(const xtd::ustring& message, const xtd::diagnostics::stack_frame& information = xtd::diagnostics::stack_frame::empty()) : system_exception(message, nullptr, std::error_code(), "", information) {}
    system_exception(const xtd::ustring& message, const std::error_code& error, const xtd::diagnostics::stack_frame& information = xtd::diagnostics::stack_frame::empty()) : system_exception(message, nullptr, error, "", information) {}
    system_exception(const xtd::ustring& message, const xtd::ustring& help_link, const xtd::diagnostics::stack_frame& information = xtd::diagnostics::stack_frame::empty()) : system_exception(message, nullptr, std::error_code(), help_link, information) {}
    system_exception(const xtd::ustring& message, const std::error_code& error, const xtd::ustring& help_link, const xtd::diagnostics::stack_frame& information = xtd::diagnostics::stack_frame::empty()) : system_exception(message, nullptr, error, help_link, information) {}
    explicit system_exception(const std::exception& inner_exception, const xtd::diagnostics::stack_frame& information = xtd::diagnostics::stack_frame::empty()) : system_exception(default_message(), &inner_exception, std::error_code(), "", information) {}
    system_exception(const xtd::ustring& message, const std::exception& inner_exception, const xtd::diagnostics::stack_frame& information = xtd::diagnostics::stack_frame::empty()) : system_exception(message, &inner_exception, std::error_code(), "", information) {}
    system_exception(const xtd::ustring& message, const std::exception& inner_exception, const std::error_code& error, const xtd::diagnostics::stack_frame& information = xtd::diagnostics::stack_frame::empty()) : system_exception(message, &inner_exception, error, "", information) {}
    system_exception(const xtd::ustring& message, const std::exception& inner_exception, const xtd::ustring& help_link, const xtd::diagnostics::stack_frame& information = xtd::diagnostics::stack_frame::empty()) : system_exception(message, &inner_exception, std::error_code(), help_link, information) {}
    system_exception(const xtd::ustring& message, const std::exception& inner_exception, const std::error_code& error, const xtd::ustring& help_link, const xtd::diagnostics::stack_frame& information = xtd::diagnostics::stack_frame::empty()) : system_exception(message, &inner_exception, error, help_link, information) {}
    
    system_exception(const system_exception&) = default;
    system_exception& operator=(const system_exception&) = default;
    
    
    virtual const xtd::ustring& file_path() const noexcept {return information_.get_file_name();}
    
    virtual const xtd::ustring& help_link() const noexcept {return help_link_;}
    
    static bool enable_stack_trace() {return enable_stack_trace_;}
    static void enable_stack_trace(bool enable) {enable_stack_trace_ = enable;}
    
    virtual std::error_code error_code() const noexcept {return error_;}
    
    virtual exception_ref inner_exception() const noexcept {return inner_exception_;}
    
    virtual uint32_t line_number() const noexcept {return information_.get_file_line_number();}
    
    virtual const xtd::ustring& member_name() const noexcept {return information_.get_method();}
    
    virtual const xtd::ustring& message() const noexcept {return message_;}
    
    virtual const xtd::ustring& name() const noexcept {return (name_ = xtd::ustring::full_class_name(*this));}
    
    virtual xtd::ustring stack_trace() const noexcept {return stack_trace_to_string();}
    
    
    xtd::ustring to_string() const noexcept override;
    
    friend std::ostream& operator<<(std::ostream& os, const xtd::system_exception& e) noexcept {
      return os << e.to_string();
    }
    
    const char* what() const noexcept override {return message().empty() ? name().c_str() : message().c_str();}
    
  private:
    system_exception(const xtd::ustring& message, const std::exception* inner_exception, const std::error_code& error, const xtd::ustring& help_link, const xtd::diagnostics::stack_frame& information);
    xtd::ustring stack_trace_to_string() const noexcept;
    const char* default_message() const;
    
    static bool enable_stack_trace_;
    mutable xtd::ustring name_;
    xtd::ustring message_;
    exception_ref inner_exception_;
    std::error_code error_;
    xtd::ustring help_link_;
    xtd::diagnostics::stack_frame information_;
    std::shared_ptr<xtd::diagnostics::stack_trace> stack_trace_;
  };
}

#define system_exception_(...) system_exception(add_current_stack_frame_(__VA_ARGS__))