lily/identifier.cc

   1 /*
   2   identifier.cc -- implement identifier and derived classes
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include <assert.h>
  10 #include "midi-def.hh"
  11 #include "paper-def.hh"
  12 #include "score.hh"
  13 #include "identifier.hh"
  14 #include "my-lily-lexer.hh"
  15 #include "debug.hh"
  16 #include "symtable.hh"
  17 #include "script-def.hh"
  18 #include "request.hh"
  19 #include "translator.hh"
  20 #include "notename-table.hh"
  21
  22
  23
  24 Identifier::Identifier (int code)
  25 {
  26   token_code_i_ = code;
  27   accessed_b_ = 0;
  28   init_b_ = 0;
  29 }
  30
  31
  32
  33 Identifier::Identifier (Identifier const&s)
  34   : Input (s)
  35 {
  36   token_code_i_ = s.token_code_i_;
  37   accessed_b_ = s.accessed_b_;
  38   init_b_ = s.init_b_;
  39 }
  40
  41 Identifier::~Identifier()
  42 {
  43 }
  44
  45 void
  46 Identifier::error (String expect) const
  47 {
  48   String e (_("Wrong identifier type: "));
  49   e += _f ("%s expected", expect);
  50   ::error (e);
  51 }
  52
  53 String
  54 Identifier::str () const
  55 {
  56   return do_str ();
  57 }
  58
  59 String
  60 Identifier::do_str () const
  61 {
  62   return "";
  63 }
  64
  65 void
  66 Identifier::print () const
  67 {
  68   DOUT << "identifier ";
  69   do_print ();
  70 }
  71 void
  72 Identifier::do_print () const
  73 {
  74 }
  75
  76 /* ugh. */
  77 #define DEFAULT_PRINT(Class) \
  78 void \
  79 Class ## _identifier::do_print () const { \
  80   Class *cl = ((Class ## _identifier *)this)->access_content_ ## Class(false);\
  81   cl->print (); \
  82 }
  83
  84
  85
  86 DEFAULT_PRINT(General_script_def);
  87 DEFAULT_PRINT(Translator);
  88 DEFAULT_PRINT(Symtables);
  89 DEFAULT_PRINT(Music);
  90 DEFAULT_PRINT(Request);
  91 DEFAULT_PRINT(Score);
  92 DEFAULT_PRINT(Midi_def);
  93 DEFAULT_PRINT(Paper_def);
  94
  95 /* ugh. */
  96 #define DUMMY_STR(Class) \
  97 String \
  98 Class ## _identifier::do_str () const { \
  99   return String (#Class); \
 100 }
 101
 102
 103 DUMMY_STR(Notename_table);
 104 DUMMY_STR(General_script_def);
 105 DUMMY_STR(Translator);
 106 DUMMY_STR(Symtables);
 107 DUMMY_STR(Music);
 108 DUMMY_STR(Request);
 109 DUMMY_STR(Score);
 110 DUMMY_STR(Midi_def);
 111 DUMMY_STR(Paper_def);
 112 DUMMY_STR(Duration);
 113
 114 #define STRING_PRINT(Class) \
 115 void \
 116 Class ## _identifier::do_print () const\
 117 {\
 118   DOUT << do_str () << '\n';\
 119 }\
 120
 121
 122 STRING_PRINT(Duration);
 123 STRING_PRINT(Real);
 124 STRING_PRINT(int);
 125 STRING_PRINT(String);
 126 STRING_PRINT(Notename_table);
 127
 128 #define DEFAULT_STR(Class) \
 129 String \
 130 Class ## _identifier::do_str () const\
 131 {\
 132   return to_str (*data_p_);\
 133 }
 134
 135 DEFAULT_STR(int);
 136 DEFAULT_STR(Real);
 137 DEFAULT_STR(String);
 138
 139
 140 /*
 141   fucking C++ blows me.
 142  */
 143
 144 #define DEFAULT_ACCESSOR(Class)\
 145 Class*\
 146 Class ## _identifier::access_content_ ## Class (bool copy_b) const {\
 147   ((Class ## _identifier*)this)->accessed_b_ = true;\
 148   return copy_b ? new Class (*data_p_) : data_p_;\
 149 }
 150
 151 #define VIRTUAL_ACCESSOR(Class)\
 152 Class*\
 153 Class ## _identifier::access_content_ ## Class (bool copy_b) const{\
 154   ((Class ## _identifier*)this)->accessed_b_ = true;\
 155   return copy_b ? (Class*)data_p_->clone() : data_p_;\
 156 }
 157
 158 #define IMPLEMENT_ID_CLASS(Class)       \
 159         Class ## _identifier::~Class ## _identifier() { delete data_p_; }\
 160         Class ## _identifier::Class ## _identifier (Class*st, int code) \
 161           :Identifier (code)\
 162         {\
 163           data_p_ = st;\
 164         }\
 165 Class ## _identifier::Class ## _identifier (Class ## _identifier const &s) \
 166   : Identifier (s)\
 167 {\
 168    data_p_ = s.access_content_ ## Class (true);\
 169 }
 170
 171
 172 IMPLEMENT_ID_CLASS(Duration);
 173 IMPLEMENT_ID_CLASS(Translator);
 174 IMPLEMENT_ID_CLASS(int);
 175 IMPLEMENT_ID_CLASS(Real);
 176 IMPLEMENT_ID_CLASS(String);
 177 IMPLEMENT_ID_CLASS(General_script_def);
 178 IMPLEMENT_ID_CLASS(Symtables);
 179 IMPLEMENT_ID_CLASS(Music);
 180 IMPLEMENT_ID_CLASS(Score);
 181 IMPLEMENT_ID_CLASS(Request);
 182 IMPLEMENT_ID_CLASS(Midi_def);
 183 IMPLEMENT_ID_CLASS(Paper_def);
 184 IMPLEMENT_ID_CLASS(Notename_table);
 185 VIRTUAL_ACCESSOR(Music);
 186 VIRTUAL_ACCESSOR(Request);
 187 VIRTUAL_ACCESSOR(Translator);
 188 VIRTUAL_ACCESSOR(General_script_def);
 189 DEFAULT_ACCESSOR(Notename_table);
 190 DEFAULT_ACCESSOR(Duration);
 191 DEFAULT_ACCESSOR(int);
 192 DEFAULT_ACCESSOR(Real);
 193 DEFAULT_ACCESSOR(String);
 194 DEFAULT_ACCESSOR(Symtables);
 195 DEFAULT_ACCESSOR(Score);
 196 DEFAULT_ACCESSOR(Midi_def);
 197 DEFAULT_ACCESSOR(Paper_def);
 198