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--1999 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 "request.hh"
  17 #include "translator-group.hh"
  18 #include "notename-table.hh"
  19
  20
  21
  22 Identifier::Identifier (int code)
  23 {
  24   token_code_i_ = code;
  25   accessed_b_ = 0;
  26   init_b_ = 0;
  27 }
  28
  29
  30
  31 Identifier::Identifier (Identifier const&s)
  32   : Input (s)
  33 {
  34   token_code_i_ = s.token_code_i_;
  35   accessed_b_ = s.accessed_b_;
  36   init_b_ = s.init_b_;
  37 }
  38
  39 Identifier::~Identifier()
  40 {
  41 }
  42
  43 void
  44 Identifier::error (String expect) const
  45 {
  46   ::error (_f ("wrong identifier type, expected: `%s'", expect));
  47 }
  48
  49 String
  50 Identifier::str () const
  51 {
  52   return do_str ();
  53 }
  54
  55 String
  56 Identifier::do_str () const
  57 {
  58   return "";
  59 }
  60
  61 void
  62 Identifier::print () const
  63 {
  64   DEBUG_OUT << "identifier ";
  65   do_print ();
  66 }
  67 void
  68 Identifier::do_print () const
  69 {
  70 }
  71
  72 /* ugh. */
  73 #define DEFAULT_PRINT(Class) \
  74 void \
  75 Class ## _identifier::do_print () const { \
  76   Class *cl = ((Class ## _identifier *)this)->access_content_ ## Class(false);\
  77   cl->print (); \
  78 }
  79
  80
  81
  82 DEFAULT_PRINT(Translator_group);
  83 DEFAULT_PRINT(Music);
  84 DEFAULT_PRINT(Request);
  85 DEFAULT_PRINT(Score);
  86 DEFAULT_PRINT(Midi_def);
  87 DEFAULT_PRINT(Paper_def);
  88
  89 /* ugh. */
  90 #define DUMMY_STR(Class) \
  91 String \
  92 Class ## _identifier::do_str () const { \
  93   return String (#Class); \
  94 }
  95
  96
  97 DUMMY_STR(Notename_table);
  98 DUMMY_STR(Translator_group);
  99 DUMMY_STR(Music);
 100 DUMMY_STR(Request);
 101 DUMMY_STR(Score);
 102 DUMMY_STR(Midi_def);
 103 DUMMY_STR(Paper_def);
 104 DUMMY_STR(Duration);
 105
 106 #define STRING_PRINT(Class) \
 107 void \
 108 Class ## _identifier::do_print () const\
 109 {\
 110   DEBUG_OUT << do_str () << '\n';\
 111 }\
 112
 113
 114 STRING_PRINT(Duration);
 115 STRING_PRINT(Real);
 116 STRING_PRINT(int);
 117 STRING_PRINT(String);
 118 STRING_PRINT(Notename_table);
 119
 120 #define DEFAULT_STR(Class) \
 121 String \
 122 Class ## _identifier::do_str () const\
 123 {\
 124   return to_str (*data_p_);\
 125 }
 126
 127 DEFAULT_STR(int);
 128 DEFAULT_STR(Real);
 129 DEFAULT_STR(String);
 130
 131
 132 /*
 133   fucking C++ blows me.
 134  */
 135
 136 #define DEFAULT_ACCESSOR(Class)\
 137 Class*\
 138 Class ## _identifier::access_content_ ## Class (bool copy_b) const {\
 139   ((Class ## _identifier*)this)->accessed_b_ = true;\
 140   return copy_b ? new Class (*data_p_) : data_p_;\
 141 }
 142
 143 #define VIRTUAL_ACCESSOR(Class)\
 144 Class*\
 145 Class ## _identifier::access_content_ ## Class (bool copy_b) const{\
 146   ((Class ## _identifier*)this)->accessed_b_ = true;\
 147   return copy_b ? dynamic_cast<Class*> (data_p_->clone()) : data_p_;\
 148 }
 149
 150 #define IMPLEMENT_ID_CLASS(Class)       \
 151         Class ## _identifier::~Class ## _identifier() { delete data_p_; }\
 152         Class ## _identifier::Class ## _identifier (Class*st, int code) \
 153           :Identifier (code)\
 154         {\
 155           data_p_ = st;\
 156         }\
 157 Class ## _identifier::Class ## _identifier (Class ## _identifier const &s) \
 158   : Identifier (s)\
 159 {\
 160    data_p_ = s.access_content_ ## Class (true);\
 161 }
 162
 163
 164 IMPLEMENT_ID_CLASS(Duration);
 165 IMPLEMENT_ID_CLASS(Translator_group);
 166 IMPLEMENT_ID_CLASS(int);
 167 IMPLEMENT_ID_CLASS(Real);
 168 IMPLEMENT_ID_CLASS(String);
 169 IMPLEMENT_ID_CLASS(Music);
 170 IMPLEMENT_ID_CLASS(Score);
 171 IMPLEMENT_ID_CLASS(Request);
 172 IMPLEMENT_ID_CLASS(Midi_def);
 173 IMPLEMENT_ID_CLASS(Paper_def);
 174 IMPLEMENT_ID_CLASS(Notename_table);
 175 VIRTUAL_ACCESSOR(Music);
 176 VIRTUAL_ACCESSOR(Request);
 177 VIRTUAL_ACCESSOR(Translator_group);
 178 DEFAULT_ACCESSOR(Notename_table);
 179 DEFAULT_ACCESSOR(Duration);
 180 DEFAULT_ACCESSOR(int);
 181 DEFAULT_ACCESSOR(Real);
 182 DEFAULT_ACCESSOR(String);
 183 DEFAULT_ACCESSOR(Score);
 184 DEFAULT_ACCESSOR(Midi_def);
 185 DEFAULT_ACCESSOR(Paper_def);
 186