1 | //
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2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
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3 | //
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4 | // The contents of this file are covered under the licence agreement in the
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5 | // file "LICENCE" distributed with Cforall.
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6 | //
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7 | // SemanticError.h --
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8 | //
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9 | // Author : Richard C. Bilson
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10 | // Created On : Mon May 18 07:44:20 2015
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11 | // Last Modified By : Peter A. Buhr
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12 | // Last Modified On : Sat Sep 24 15:13:42 2016
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13 | // Update Count : 5
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14 | //
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15 |
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16 | #ifndef SEMANTICERROR_H
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17 | #define SEMANTICERROR_H
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18 |
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19 | #include <exception> // for exception
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20 | #include <iostream> // for ostream
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21 | #include <list> // for list
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22 | #include <string> // for string
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23 |
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24 | #include "utility.h" // for CodeLocation, toString
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25 |
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26 | struct error {
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27 | std::string description;
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28 | CodeLocation location;
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29 |
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30 | error() = default;
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31 | error( const std::string& str ) : description( str ) {}
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32 |
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33 | void maybeSet( const CodeLocation& location ) {
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34 | if( this->location.linenumber < 0 ) {
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35 | this->location = location;
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36 | }
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37 | }
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38 | };
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39 |
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40 | class SemanticError : public std::exception {
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41 | public:
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42 | SemanticError();
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43 | SemanticError( std::string error );
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44 | template< typename T > SemanticError( const std::string &error, const T *obj );
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45 | ~SemanticError() throw() {}
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46 |
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47 | void append( SemanticError &other );
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48 | void append( const std::string & );
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49 | bool isEmpty() const;
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50 | void print( std::ostream &os );
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51 |
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52 | void set_location( const CodeLocation& location );
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53 | // constructs an exception using the given message and the printed
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54 | // representation of the obj (T must have a print method)
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55 | private:
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56 | std::list< error > errors;
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57 | };
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58 |
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59 | template< typename T >
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60 | SemanticError::SemanticError( const std::string &error, const T *obj ) {
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61 | append( toString( error, obj ) );
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62 | }
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63 |
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64 | #endif // SEMANTICERROR_H
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65 |
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66 | // Local Variables: //
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67 | // tab-width: 4 //
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68 | // mode: c++ //
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69 | // compile-command: "make install" //
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70 | // End: //
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