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 : Tue Aug 29 22:03:36 2017 |
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13 | // Update Count : 17 |
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14 | // |
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15 | |
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16 | #pragma once |
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17 | |
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18 | #include <exception> // for exception |
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19 | #include <iostream> // for ostream |
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20 | #include <list> // for list |
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21 | #include <string> // for string |
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22 | #include <unistd.h> // for isatty |
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23 | |
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24 | #include "CodeLocation.h" // for CodeLocation, toString |
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25 | |
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26 | //----------------------------------------------------------------------------- |
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27 | // Errors |
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28 | struct error { |
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29 | CodeLocation location; |
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30 | std::string description; |
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31 | |
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32 | error() = default; |
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33 | error( CodeLocation loc, const std::string & str ) : location( loc ), description( str ) {} |
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34 | }; |
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35 | |
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36 | class SemanticError : public std::exception { |
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37 | public: |
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38 | SemanticError() = default; |
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39 | SemanticError( CodeLocation location, std::string error ); |
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40 | ~SemanticError() throw() {} |
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41 | |
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42 | // constructs an exception using the given message and the printed representation of the obj (T must have a print method) |
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43 | template< typename T > SemanticError(const T * obj, const std::string & error); |
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44 | template< typename T > SemanticError( CodeLocation location, const T * obj, const std::string & error); |
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45 | |
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46 | static inline const std::string & error_str() { |
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47 | static std::string str = isatty( STDERR_FILENO ) ? "\e[31merror:\e[39m " : "error: "; |
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48 | return str; |
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49 | } |
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50 | |
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51 | void append( SemanticError & other ); |
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52 | void append( CodeLocation location, const std::string & ); |
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53 | bool isEmpty() const; |
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54 | void print(); |
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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 T * obj, const std::string & error ) |
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61 | : SemanticError( obj->location, toString( error, obj ) ) |
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62 | {} |
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63 | |
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64 | template< typename T > |
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65 | SemanticError::SemanticError( CodeLocation location, const T * obj, const std::string & error ) |
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66 | : SemanticError( location, toString( error, obj ) ) |
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67 | {} |
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68 | |
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69 | //----------------------------------------------------------------------------- |
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70 | // Warnings |
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71 | class SemanticWarning { |
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72 | public: |
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73 | SemanticWarning( CodeLocation location, std::string error ); |
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74 | ~SemanticWarning() throw() {} |
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75 | |
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76 | // constructs an exception using the given message and the printed representation of the obj (T must have a print method) |
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77 | template< typename T > SemanticWarning(const T * obj, const std::string & error); |
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78 | template< typename T > SemanticWarning( CodeLocation location, const T * obj, const std::string & error); |
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79 | |
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80 | static inline const std::string & warning_str() { |
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81 | static std::string str = isatty( STDERR_FILENO ) ? "\e[95mwarning:\e[39m " : "warning: "; |
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82 | return str; |
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83 | } |
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84 | |
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85 | private: |
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86 | }; |
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87 | |
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88 | template< typename T > |
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89 | SemanticWarning::SemanticWarning( const T * obj, const std::string & error ) |
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90 | : SemanticWarning( obj->location, toString( error, obj ) ) |
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91 | {} |
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92 | |
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93 | template< typename T > |
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94 | SemanticWarning::SemanticWarning( CodeLocation location, const T * obj, const std::string & error ) |
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95 | : SemanticWarning( location, toString( error, obj ) ) |
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96 | {} |
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97 | |
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98 | //----------------------------------------------------------------------------- |
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99 | // Helpers |
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100 | static inline const std::string & bold_ttycode() { |
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101 | static std::string str = isatty( STDERR_FILENO ) ? "\e[1m" : ""; |
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102 | return str; |
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103 | } |
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104 | |
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105 | static inline const std::string & reset_font_ttycode() { |
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106 | static std::string str = isatty( STDERR_FILENO ) ? "\e[0m" : ""; |
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107 | return str; |
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108 | } |
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109 | |
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110 | static inline std::string make_bold( const std::string & str ) { |
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111 | return bold_ttycode() + str + reset_font_ttycode(); |
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112 | } |
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113 | |
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114 | struct bold {}; |
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115 | static inline std::ostream & operator<<(std::ostream & os, bold) { |
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116 | os << bold_ttycode(); |
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117 | return os; |
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118 | } |
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119 | |
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120 | struct reset_font {}; |
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121 | static inline std::ostream & operator<<(std::ostream & os, reset_font) { |
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122 | os << reset_font_ttycode(); |
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123 | return os; |
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124 | } |
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125 | |
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126 | // Local Variables: // |
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127 | // tab-width: 4 // |
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128 | // mode: c++ // |
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129 | // compile-command: "make install" // |
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130 | // End: // |
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