#include "os/stack_trace.h"
#include <exception>
+#include <list>
+
#include <boost/exception/all.hpp>
#include <boost/exception/error_info.hpp>
#include <boost/throw_exception.hpp>
+#include <boost/noncopyable.hpp>
namespace caspar {
-typedef boost::error_info<struct tag_arg_name_info, std::string> arg_name_info_t;
-typedef boost::error_info<struct tag_arg_value_info, std::string> arg_value_info_t;
-typedef boost::error_info<struct tag_msg_info, std::string> msg_info_t;
-typedef boost::error_info<struct tag_call_stack_info, std::string> call_stack_info_t;
-typedef boost::error_info<struct tag_msg_info, std::string> error_info_t;
-typedef boost::error_info<struct tag_source_info, std::string> source_info_t;
-typedef boost::error_info<struct tag_file_name_info, std::string> file_name_info_t;
+typedef boost::error_info<struct tag_arg_name_info, std::string> arg_name_info_t;
+typedef boost::error_info<struct tag_arg_value_info, std::string> arg_value_info_t;
+typedef boost::error_info<struct tag_msg_info, std::string> msg_info_t;
+typedef boost::error_info<struct tag_call_stack_info, std::string> call_stack_info_t;
+typedef boost::error_info<struct tag_error_info, std::string> error_info_t;
+typedef boost::error_info<struct tag_source_info, std::string> source_info_t;
+typedef boost::error_info<struct tag_file_name_info, std::string> file_name_info_t;
+typedef boost::error_info<struct tag_context_info, std::string> context_info_t;
template<typename T>
inline arg_name_info_t arg_name_info(const T& str) {return arg_name_info_t(u8(str));}
template<typename T>
inline source_info_t source_info(const T& str) {return source_info_t(u8(str));}
template<typename T>
-inline file_name_info_t file_name_info(const T& str) {return file_name_info_t(u8(str));}
+inline file_name_info_t file_name_info(const T& str) {return file_name_info_t(u8(str));}
+template<typename T>
+inline context_info_t context_info(const T& str) {return context_info_t(u8(str));}
typedef boost::error_info<struct tag_line_info, size_t> line_info;
typedef boost::error_info<struct tag_nested_exception_, std::exception_ptr> nested_exception;
struct operation_failed : virtual caspar_exception {};
struct timed_out : virtual caspar_exception {};
-struct not_supported : virtual caspar_exception {};
struct not_implemented : virtual caspar_exception {};
struct user_error : virtual caspar_exception {};
+struct expected_user_error : virtual user_error {};
+struct not_supported : virtual user_error {};
+
+std::string get_context();
+
+class scoped_context : boost::noncopyable
+{
+public:
+ scoped_context();
+ scoped_context(std::string msg);
+ template <typename Str>
+ scoped_context(Str msg)
+ : scoped_context(u8(std::move(msg)))
+ {
+ }
+
+ ~scoped_context();
+ void replace_msg(std::string msg);
+ template <typename Str>
+ void replace_msg(std::string msg)
+ {
+ replace_msg(u8(std::move(msg)));
+ }
+ void clear_msg();
+private:
+ std::list<std::string>& for_thread_;
+ std::string* msg_;
+};
+
+#define _CASPAR_GENERATE_UNIQUE_IDENTIFIER_CAT(name, line) name##line
+#define _CASPAR_GENERATE_UNIQUE_IDENTIFIER(name, line) _CASPAR_GENERATE_UNIQUE_IDENTIFIER_CAT(name, line)
+#define CASPAR_SCOPED_CONTEXT_MSG(ctx_msg) ::caspar::scoped_context _CASPAR_GENERATE_UNIQUE_IDENTIFIER(SCOPED_CONTEXT, __LINE__)(u8(ctx_msg));
+
+#define CASPAR_THROW_EXCEPTION(e) BOOST_THROW_EXCEPTION(e << call_stack_info(caspar::get_call_stack()) << context_info(get_context()))
-#define CASPAR_THROW_EXCEPTION(e) BOOST_THROW_EXCEPTION(e << call_stack_info(caspar::get_call_stack()))
+std::string get_message_and_context(const caspar_exception& e);
}