lexer/lexeme.cpp

   1 #include <frith/lexer.hpp>
   2 #include <ail/string.hpp>
   3
   4 namespace frith
   5 {
   6         lexeme_type::lexeme()
   7         {
   8         }
   9
  10         lexeme_type::lexeme(lexeme_type::type type):
  11                 type(type)
  12         {
  13         }
  14
  15         lexeme_type::lexeme(types::boolean boolean):
  16                 type(boolean),
  17                 boolean(boolean)
  18         {
  19         }
  20
  21         lexeme_type::lexeme(types::signed_integer signed_integer):
  22                 type(signed_integer),
  23                 signed_integer(signed_integer)
  24         {
  25         }
  26
  27         lexeme_type::lexeme(types::unsigned_integer unsigned_integer):
  28                 type(unsigned_integer),
  29                 unsigned_integer(unsigned_integer)
  30         {
  31         }
  32
  33         lexeme_type::lexeme(types::floating_point_value floating_point_value):
  34                 type(floating_point_value),
  35                 floating_point_value(floating_point_value)
  36         {
  37         }
  38
  39         lexeme_type::lexeme(lexeme_type::type type, std::string const & string):
  40                 type(type),
  41                 string(new std::string(string))
  42         {
  43         }
  44
  45         std::string lexeme_type::to_string() const
  46         {
  47                 using namespace lexeme_type;
  48
  49                 switch(type)
  50                 {
  51                         case name:
  52                                 return "name: " + *string;
  53
  54                         case boolean:
  55                                 return "boolean: " + ail::bool_to_string(boolean);
  56
  57                         case signed_integer:
  58                                 return "integer: " + ail::number_to_string(signed_integer);
  59
  60                         case unsigned_integer:
  61                                 return "unsigned-integer: " + ail::number_to_string(unsigned_integer);
  62
  63                         case floating_point_value:
  64                                 return "float: " + ail::number_to_string(floating_point_value);
  65
  66                         case string:
  67                                 return "string: " + ail::replace_string(*string, "\n", "\\n");
  68
  69                         case addition:
  70                                 return "+";
  71
  72                         case subtraction:
  73                                 return "-";
  74
  75                         case multiplication:
  76                                 return "*";
  77
  78                         case division:
  79                                 return "/";
  80
  81                         case modulo:
  82                                 return "%";
  83
  84                         case assignment:
  85                                 return "=";
  86
  87                         case addition_assignment:
  88                                 return "+=";
  89
  90                         case subtraction_assignment:
  91                                 return "-=";
  92
  93                         case multiplication_assignment:
  94                                 return "*=";
  95
  96                         case division_assignment:
  97                                 return "/=";
  98
  99                         case modulo_assignment:
 100                                 return "%=";
 101
 102                         case increment:
 103                                 return "++";
 104
 105                         case decrement:
 106                                 return "--";
 107
 108                         case exponentiation:
 109                                 return "**";
 110
 111                         case less_than:
 112                                 return "<";
 113
 114                         case less_than_or_equal:
 115                                 return "<=";
 116
 117                         case greater_than:
 118                                 return ">";
 119
 120                         case greater_than_or_equal:
 121                                 return ">=";
 122
 123                         case unequal:
 124                                 return "!=";
 125
 126                         case equal:
 127                                 return "==";
 128
 129                         case logical_not:
 130                                 return "!";
 131
 132                         case logical_and:
 133                                 return "&";
 134
 135                         case logical_or:
 136                                 return "|";
 137
 138                         case shift_left:
 139                                 return "<<";
 140
 141                         case shift_right:
 142                                 return ">>";
 143
 144                         case binary_and:
 145                                 return "&&";
 146
 147                         case binary_or:
 148                                 return "||";
 149
 150                         case binary_xor:
 151                                 return "^";
 152
 153                         case binary_not:
 154                                 return "~";
 155
 156                         case bracket_start:
 157                                 return "bracket: start";
 158
 159                         case bracket_end:
 160                                 return "bracket: end";
 161
 162                         case array_start:
 163                                 return "array: start";
 164
 165                         case array_end:
 166                                 return "array: end";
 167
 168                         case scope_start:
 169                                 return "symbol_tree_node: start";
 170
 171                         case scope_end:
 172                                 return "symbol_tree_node: end";
 173
 174                         case iteration:
 175                                 return "iteration";
 176
 177                         case iterator:
 178                                 return "iterator";
 179
 180                         case function_declaration:
 181                                 return "function";
 182
 183                         case anonymous_function_declaration:
 184                                 return "anonymous function";
 185
 186                         case class_operator:
 187                                 return "class operator";
 188
 189                         case selection_operator:
 190                                 return ".";
 191
 192                         case call_operator:
 193                                 return ",";
 194
 195                         case scope_operator:
 196                                 return ":";
 197
 198                         default:
 199                                 return "unknown";
 200                 }
 201         }
 202 }