lily/symtable.cc

   1 /*
   2   symtable.cc -- implement Symbol_table
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "misc.hh"
  10 #include "dimen.hh"
  11 #include "debug.hh"
  12 #include "real.hh"
  13 #include "symbol.hh"
  14 #include "assoc.hh"
  15 #include "assoc-iter.hh"
  16 #include "symtable.hh"
  17
  18 Symtables::Symtables()
  19 {
  20 }
  21
  22 Symtables::Symtables(Symtables const &s)
  23 {
  24     for (Assoc_iter<String, Symtable*>  i(s); i.ok(); i++) {
  25         add(i.key(), new Symtable(*i.val()));
  26     }
  27 }
  28
  29 Symtables::~Symtables()
  30 {
  31     for (Assoc_iter<String, Symtable*>  i(*this); i.ok(); i++) {
  32         delete i.val();
  33     }
  34 }
  35
  36 Symbol
  37 Symtable::lookup(String s) const
  38 {
  39     if (elt_b(s))
  40         return (*this)[s];
  41     else {
  42         error( "Symtable `" + id_str+ "\': unknown symbol `" +s+"'\n");
  43     }
  44     Symbol sy;                  // unreachable
  45     return sy;
  46 }
  47
  48 Symtable*
  49 Symtables::operator()(String s)
  50 {
  51     return Assoc<String, Symtable*>::operator[](s);
  52 }
  53 void
  54 Symtables::print() const
  55 {
  56     for (Assoc_iter<String, Symtable*>  i(*this); i.ok(); i++) {
  57         mtor << "table \'" << i.key() << "\' {\n";
  58         i.val()->print();
  59         mtor << "}\n";
  60     }
  61 }
  62 void
  63 Symtable::print() const
  64 {
  65     for (Assoc_iter<String, Symbol>  i(*this); i.ok(); i++) {
  66         mtor << "\'" << i.key() << "\'->" << i.val().str() << "\n";
  67     }
  68 }
  69
  70 void
  71 Symtables::add(String s, Symtable*p)
  72 {
  73     p-> id_str = s;
  74     Assoc<String, Symtable*>::add(s,p);
  75 }