cpp_exceptions.hpp

support vector clustering for vc++

        case preprocess_exception::integer_overflow:
        case preprocess_exception::ill_formed_integer_literal:
        case preprocess_exception::ill_formed_character_literal:
        case preprocess_exception::character_literal_out_of_range:
        case preprocess_exception::last_line_not_terminated:
        case preprocess_exception::include_nesting_too_deep:
        case preprocess_exception::illegal_operator_redefinition:
        case preprocess_exception::incompatible_config:
        case preprocess_exception::ill_formed_pragma_option:
        case preprocess_exception::ill_formed_pragma_message:
        case preprocess_exception::pragma_message_directive:
            return true;
            
        case preprocess_exception::unexpected_error:
        case preprocess_exception::ill_formed_operator:
        case preprocess_exception::too_few_macroarguments:
        case preprocess_exception::too_many_macroarguments:
        case preprocess_exception::empty_macroarguments:
        case preprocess_exception::improperly_terminated_macro:
        case preprocess_exception::invalid_concat:
        case preprocess_exception::could_not_open_output_file:
            break;
        }
        return false;
    }
    
    static char const *error_text(int code)
    {
    // error texts in this array must appear in the same order as the items in
    // the error enum above
        static char const *preprocess_exception_errors[] = {
            "no error",                                 // no_error
            "unexpected error (should not happen)",     // unexpected_error
            "illegal macro redefinition",               // macro_redefinition
            "macro definition failed (out of memory?)", // macro_insertion_error
            "could not find include file",              // bad_include_file
            "ill formed #include directive",            // bad_include_statement
            "ill formed preprocessor directive",        // ill_formed_directive
            "encountered #error directive or #pragma wave stop()", // error_directive
            "encountered #warning directive",           // warning_directive
            "ill formed preprocessor expression",       // ill_formed_expression
            "the #if for this directive is missing",    // missing_matching_if
            "detected at least one missing #endif directive",   // missing_matching_endif
            "ill formed preprocessing operator",        // ill_formed_operator
            "ill formed #define directive",             // bad_define_statement
            "__VA_ARGS__ can only appear in the "
            "expansion of a C99 variadic macro",        // bad_define_statement_va_args
            "too few macro arguments",                  // too_few_macroarguments
            "too many macro arguments",                 // too_many_macroarguments
            "empty macro arguments are not supported in pure C++ mode, "
            "use variadics mode to allow these",        // empty_macroarguments
            "improperly terminated macro invocation "
            "or replacement-list terminates in partial "
            "macro expansion (not supported yet)",      // improperly_terminated_macro
            "ill formed #line directive",               // bad_line_statement
            "line number argument of #line directive "
            "should consist out of decimal digits "
            "only and must be in range of [1..INT_MAX]", // bad_line_number
            "filename argument of #line directive should "
            "be a narrow string literal",               // bad_line_filename
            "#undef may not be used on this predefined name",   // bad_undefine_statement
            "invalid macro definition",                 // bad_macro_definition
            "this predefined name may not be redefined",        // illegal_redefinition
            "duplicate macro parameter name",           // duplicate_parameter_name
            "pasting the following two tokens does not "
            "give a valid preprocessing token",         // invalid_concat
            "last line of file ends without a newline", // last_line_not_terminated
            "unknown or illformed pragma option",       // ill_formed_pragma_option
            "include files nested too deep",            // include_nesting_too_deep
            "misplaced operator defined()",             // misplaced_operator
            "the name is already used in this scope as "
            "a macro or scope name",                    // alreadydefined_name
            "undefined macro or scope name may not be imported", // undefined_macroname
            "ill formed macro name",                    // invalid_macroname
            "qualified names are supported in C++0x mode only",  // unexpected_qualified_name
            "division by zero in preprocessor expression",       // division_by_zero
            "integer overflow in preprocessor expression",       // integer_overflow
            "this cannot be used as a macro name as it is "
            "an operator in C++",                       // illegal_operator_redefinition
            "ill formed integer literal or integer constant too large",   // ill_formed_integer_literal
            "ill formed character literal",             // ill_formed_character_literal
            "unbalanced #if/#endif in include file",    // unbalanced_if_endif
            "expression contains out of range character literal", // character_literal_out_of_range
            "could not open output file",               // could_not_open_output_file
            "incompatible state information",           // incompatible_config
            "illformed pragma message",                 // ill_formed_pragma_message
            "encountered #pragma message directive"     // pragma_message_directive
        };
        BOOST_ASSERT(no_error <= code && code <= last_error_number);
        return preprocess_exception_errors[code];
    }

    static util::severity severity_level(int code)
    {
        static util::severity preprocess_exception_severity[] = {
            util::severity_remark,             // no_error
            util::severity_fatal,              // unexpected_error
            util::severity_warning,            // macro_redefinition
            util::severity_fatal,              // macro_insertion_error
            util::severity_error,              // bad_include_file
            util::severity_error,              // bad_include_statement
            util::severity_error,              // ill_formed_directive
            util::severity_fatal,              // error_directive
            util::severity_warning,            // warning_directive
            util::severity_error,              // ill_formed_expression
            util::severity_error,              // missing_matching_if
            util::severity_error,              // missing_matching_endif
            util::severity_error,              // ill_formed_operator
            util::severity_error,              // bad_define_statement
            util::severity_error,              // bad_define_statement_va_args
            util::severity_warning,            // too_few_macroarguments
            util::severity_warning,            // too_many_macroarguments
            util::severity_warning,            // empty_macroarguments
            util::severity_error,              // improperly_terminated_macro
            util::severity_warning,            // bad_line_statement
            util::severity_warning,            // bad_line_number
            util::severity_warning,            // bad_line_filename
            util::severity_warning,            // bad_undefine_statement
            util::severity_commandline_error,  // bad_macro_definition
            util::severity_warning,            // illegal_redefinition
            util::severity_error,              // duplicate_parameter_name
            util::severity_error,              // invalid_concat
            util::severity_warning,            // last_line_not_terminated
            util::severity_warning,            // ill_formed_pragma_option
            util::severity_fatal,              // include_nesting_too_deep
            util::severity_error,              // misplaced_operator
            util::severity_error,              // alreadydefined_name
            util::severity_error,              // undefined_macroname
            util::severity_error,              // invalid_macroname
            util::severity_error,              // unexpected_qualified_name
            util::severity_fatal,              // division_by_zero
            util::severity_error,              // integer_overflow
            util::severity_error,              // illegal_operator_redefinition
            util::severity_error,              // ill_formed_integer_literal
            util::severity_error,              // ill_formed_character_literal
            util::severity_warning,            // unbalanced_if_endif
            util::severity_warning,            // character_literal_out_of_range
            util::severity_error,              // could_not_open_output_file
            util::severity_remark,             // incompatible_config
            util::severity_warning,            // ill_formed_pragma_message
            util::severity_remark,             // pragma_message_directive
        };
        BOOST_ASSERT(no_error <= code && code <= last_error_number);
        return preprocess_exception_severity[code];
    }
    static char const *severity_text(int code)
    {
        return util::get_severity(severity_level(code));
    }

private:
    char buffer[512];
    error_code code;
};

///////////////////////////////////////////////////////////////////////////////
//  Error during macro handling, this exception contains the related macro name
class macro_handling_exception :
    public preprocess_exception
{
public:
    macro_handling_exception(char const *what_, error_code code, int line_, 
        int column_, char const *filename_, char const *macroname) throw() 
    :   preprocess_exception(what_, code, line_, column_, filename_)
    {
        unsigned int off = 0;
        while (off < sizeof(name) && *macroname)
            name[off++] = *macroname++;
        name[off] = 0;
    }
    ~macro_handling_exception() throw() {}
    
    virtual char const *what() const throw()
    {
        return "boost::wave::macro_handling_exception";
    }
    char const* get_related_name() const throw()
    {
        return name;
    }

private:
    char name[512];
};

///////////////////////////////////////////////////////////////////////////////
//
//  The is_recoverable() function allows to decide, whether it is possible 
//  simply to continue after a given exception was thrown by Wave.
//
//  This is kind of a hack to allow to recover from certain errors as long as 
//  Wave doesn't provide better means of error recovery.
//
///////////////////////////////////////////////////////////////////////////////
inline bool
is_recoverable(cpp_exception const& e)
{
    return e.is_recoverable();
}

///////////////////////////////////////////////////////////////////////////////
}   // namespace wave
}   // namespace boost

// the suffix header occurs after all of the code
#ifdef BOOST_HAS_ABI_HEADERS
#include BOOST_ABI_SUFFIX
#endif

#endif // !defined(CPP_EXCEPTIONS_HPP_5190E447_A781_4521_A275_5134FF9917D7_INCLUDED)