lily/my-lily-lexer.cc

   1 /*
   2   my-lily-lexer.cc -- implement My_lily_lexer
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include <strstream.h>
  10 #include <ctype.h>
  11 #include "notename-table.hh"
  12 #include "interval.hh"
  13 #include "identifier.hh"
  14 #include "assoc-iter.hh"
  15 #include "parser.hh"
  16 #include "keyword.hh"
  17 #include "assoc.hh"
  18 #include "my-lily-lexer.hh"
  19 #include "debug.hh"
  20 #include "source-file.hh"
  21 #include "parseconstruct.hh"
  22
  23 static Keyword_ent the_key_tab[]={
  24   {"accepts", ACCEPTS},
  25   {"alias", ALIAS},
  26   {"bar", BAR},
  27   {"cadenza", CADENZA},
  28   {"clear", CLEAR},
  29   {"clef", CLEF},
  30   {"cm", CM_T},
  31   {"consists", CONSISTS},
  32   {"contains", CONTAINS},
  33   {"duration", DURATION},
  34   {"absdynamic", ABSDYNAMIC},
  35   {"group", GROUP},
  36   {"hshift", HSHIFT},
  37   {"id", ID},
  38   {"in", IN_T},
  39   {"requesttranslator", REQUESTTRANSLATOR},
  40   {"lyric", LYRIC},
  41   {"key", KEY},
  42   {"melodic" , MELODIC},
  43   {"melodic_request", MELODIC_REQUEST},
  44   {"meter", METER},
  45   {"midi", MIDI},
  46   {"mm", MM_T},
  47   {"multi", MULTI},
  48   {"header", HEADER},
  49   {"notenames", NOTENAMES},
  50   {"octave", OCTAVE},
  51   {"output", OUTPUT},
  52   {"partial", PARTIAL},
  53   {"paper", PAPER},
  54   {"plet", PLET},
  55   {"pt", PT_T},
  56   {"score", SCORE},
  57   {"script", SCRIPT},
  58   {"skip", SKIP},
  59   {"staff", STAFF},
  60   {"stem", STEM},
  61   {"table", TABLE},
  62   {"spandynamic", SPANDYNAMIC},
  63   {"symboltables", SYMBOLTABLES},
  64   {"tempo", TEMPO},
  65   {"texid", TEXID},
  66   {"textstyle", TEXTSTYLE},
  67   {"transpose", TRANSPOSE},
  68   {"version", VERSION},
  69   {"grouping", GROUPING},
  70   {0,0}
  71 };
  72
  73 My_lily_lexer::My_lily_lexer()
  74 {
  75   keytable_p_ = new Keyword_table (the_key_tab);
  76   identifier_assoc_p_ = new Assoc<String, Identifier*>;
  77   errorlevel_i_ = 0;
  78   post_quotes_b_ = false;
  79   note_tab_p_ = new Notename_table;
  80 }
  81
  82 int
  83 My_lily_lexer::lookup_keyword (String s)
  84 {
  85   return keytable_p_->lookup (s);
  86 }
  87
  88 Identifier*
  89 My_lily_lexer::lookup_identifier (String s)
  90 {
  91   if (!identifier_assoc_p_->elt_b (s))
  92         return 0;
  93
  94   return (*identifier_assoc_p_)[s];
  95 }
  96
  97
  98 void
  99 My_lily_lexer::set_identifier (String name_str, Identifier*i)
 100 {
 101   Identifier *old = lookup_identifier (name_str);
 102   if  (old)
 103     {
 104         old->warning("redeclaration of \\" + name_str);
 105         delete old;
 106     }
 107   (*identifier_assoc_p_)[name_str] = i;
 108 }
 109
 110 My_lily_lexer::~My_lily_lexer()
 111 {
 112   delete keytable_p_;
 113
 114   for (Assoc_iter<String,Identifier*>
 115              ai (*identifier_assoc_p_); ai.ok(); ai++)
 116                {
 117         DOUT << "deleting: " << ai.key()<<'\n';
 118         delete ai.val();
 119     }
 120   delete note_tab_p_;
 121   delete identifier_assoc_p_;
 122 }
 123 void
 124 My_lily_lexer::print_declarations (bool init_b) const
 125 {
 126   for (Assoc_iter<String,Identifier*> ai (*identifier_assoc_p_); ai.ok();
 127          ai++)
 128            {
 129         if (ai.val()->init_b_ == init_b)
 130           {
 131             DOUT << ai.key() << '=';
 132             ai.val()->print ();
 133           }
 134     }
 135 }
 136
 137 void
 138 My_lily_lexer::LexerError (char const *s)
 139 {
 140   if (include_stack_.empty())
 141     {
 142         *mlog << "error at EOF" << s << '\n';
 143     }
 144   else
 145     {
 146         errorlevel_i_ |= 1;
 147
 148         Input spot (source_file_l(),here_ch_C());
 149
 150         spot.error (s);
 151     }
 152 }
 153
 154 Melodic_req*
 155 My_lily_lexer::lookup_melodic_req_l (String s)
 156 {
 157   return note_tab_p_->get_l (s);
 158 }
 159
 160 void
 161 My_lily_lexer::add_notename (String s, Melodic_req *p)
 162 {
 163   note_tab_p_->add (s,p);
 164 }
 165
 166 void
 167 My_lily_lexer::clear_notenames()
 168 {
 169   delete note_tab_p_;
 170   note_tab_p_ = new Notename_table;
 171 }