src/lexerinit.cc

   1 #include <iostream.h>
   2 #include <strstream.h>
   3 #include "proto.hh"
   4 #include "plist.hh"
   5 #include "lexer.hh"
   6 #include "debug.hh"
   7 #include "main.hh"
   8 #include "sourcefile.hh"
   9 #include "source.hh"
  10
  11 My_flex_lexer *lexer=0;
  12
  13 int
  14 yylex() {
  15         return lexer->yylex();
  16 }
  17
  18 bool
  19 busy_parsing()
  20 {
  21     return lexer;
  22 }
  23
  24 Input_file::Input_file(String s)
  25 {
  26     name = s;
  27     line = 1;
  28     String pf(s);
  29     if (pf=="") {
  30         is = &cin;
  31         defined_ch_c_l_ = 0;
  32         sourcefile_l_ = 0;
  33     }
  34     else {
  35         Source_file* sourcefile_p = new Source_file( pf );
  36         source_global_l->add( sourcefile_p );
  37         sourcefile_l_ = sourcefile_p;
  38         is = sourcefile_l_->istream_l();
  39         defined_ch_c_l_ = sourcefile_l_->ch_c_l();
  40     }
  41     cout << "["<<pf<<flush;
  42 }
  43
  44 Input_file::~Input_file()
  45 {
  46   cout << "]" << flush;
  47 }