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1 | // -*- C++ -*- // |
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2 | |
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3 | #ifndef HUGO_ERROR_H |
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4 | #define HUGO_ERROR_H |
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5 | |
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6 | //! \file |
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7 | //! \brief Basic error handling (signaling) routines. |
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8 | |
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9 | #include <string> |
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10 | #include <sstream> |
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11 | |
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12 | |
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13 | namespace hugo { |
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14 | |
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15 | /** |
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16 | * \brief Generic exception class. |
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17 | * |
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18 | * \todo Do we need this? |
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19 | * |
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20 | * \todo Don't we need different kind of exceptions for different kind |
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21 | * of errors? |
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22 | * Shouldn't we use <stdexcept> instead? |
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23 | */ |
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24 | class Exception : public std::exception { |
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25 | protected: |
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26 | std::ostringstream buf; |
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27 | public: |
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28 | Exception() {} |
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29 | explicit Exception(const std::string &s) { buf << s; } |
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30 | Exception(const Exception &e) { buf << e.buf.str(); } |
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31 | virtual ~Exception() throw() {} |
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32 | |
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33 | virtual const char* what() const throw() { |
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34 | return buf.str().c_str(); |
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35 | } |
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36 | |
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37 | Exception& operator<<(std::string const& s) { buf << s; return *this; } |
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38 | Exception& operator<<(char const *s) { buf << s; return *this; } |
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39 | Exception& operator<<(int i) { buf << i; return *this; } |
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40 | }; |
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41 | |
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42 | /** |
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43 | * \brief Generic error signaling function. |
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44 | * |
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45 | * \todo Do we really need this? Is it helpful? |
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46 | */ |
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47 | inline void fault(const std::string &msg) { |
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48 | throw Exception(msg); |
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49 | } |
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50 | |
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51 | /** |
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52 | * \brief Macro for mark not yet implemented features. |
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53 | * |
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54 | * \todo Is this the right place for this? It should be used only in |
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55 | * modules under development. |
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56 | */ |
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57 | |
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58 | # define FIXME(msg) \ |
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59 | do { throw ::hugo::Exception("FIXME: " msg) << " (in: " \ |
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60 | << __FILE__ << ", " << __LINE__ << ")"; \ |
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61 | } while(false) |
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62 | |
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63 | } |
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64 | #endif // HUGO_ERROR_H |
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