src/symtable.cc

   1 #include "misc.hh"
   2 #include "dimen.hh"
   3 #include "debug.hh"
   4 #include "real.hh"
   5 #include "symbol.hh"
   6 #include "assoc.hh"
   7 #include "assoc-iter.hh"
   8 #include "symtable.hh"
   9
  10 Symtables::Symtables()
  11 {
  12 }
  13
  14 Symtables::Symtables(Symtables const &s)
  15 {
  16     for (Assoc_iter<String, Symtable*>  i(s); i.ok(); i++) {
  17         add(i.key(), new Symtable(*i.val()));
  18     }
  19 }
  20
  21 Symtables::~Symtables()
  22 {
  23     for (Assoc_iter<String, Symtable*>  i(*this); i.ok(); i++) {
  24         delete i.val();
  25     }
  26 }
  27
  28 Symbol
  29 Symtable::lookup(String s) const
  30 {
  31     if (elt_query(s))
  32         return (*this)[s];
  33     else {
  34         error( "Unknown symbol `" +s+"'\n");
  35     }
  36     Symbol sy;                  // unreachable
  37     return sy;
  38 }
  39
  40 Symtable*
  41 Symtables::operator()(String s)
  42 {
  43     return Assoc<String, Symtable*>::operator[](s);
  44 }
  45 void
  46 Symtables::print() const
  47 {
  48     for (Assoc_iter<String, Symtable*>  i(*this); i.ok(); i++) {
  49         mtor << "table \'" << i.key() << "\' {\n";
  50         i.val()->print();
  51         mtor << "}\n";
  52     }
  53 }
  54 void
  55 Symtable::print() const
  56 {
  57     for (Assoc_iter<String, Symbol>  i(*this); i.ok(); i++) {
  58         mtor << "\'" << i.key() << "\'->" << i.val().str() << "\n";
  59     }
  60 }
  61