remove dependence on YYTEXT_POINTER which is not being defined when lex is

[ginac.git] / ginac / input_lexer.h

diff --git a/ginac/input_lexer.h b/ginac/input_lexer.h
index b7cc3c01af4da7ac2d7f861e7864ff21661077cc..c3d154e3b3aebe087ad8d50c64422db6fa07c864 100644 (file)
--- a/ginac/input_lexer.h
+++ b/ginac/input_lexer.h
@@ -4,7 +4,7 @@
  *  This file must be processed with flex. */
 
 /*
- *  GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2004 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -37,11 +37,7 @@ extern "C" {
 extern int ginac_yyerror(char *s);
 extern int ginac_yylex(void);
 extern void ginac_yyrestart(FILE *f);
-#if YYTEXT_POINTER
 extern char *ginac_yytext;
-#else
-extern char ginac_yytext[];
-#endif
 
 namespace GiNaC {
 
@@ -50,6 +46,9 @@ class ex;
 /** Set the input string to be parsed by ginac_yyparse() (used internally). */
 extern void set_lexer_string(const std::string &s);
 
+/** Get name of symbol/index (used internally). */
+extern std::string get_symbol_name(const ex & s);
+
 /** Set the list of predefined symbols for the lexer (used internally). */
 extern void set_lexer_symbols(ex l);
 
@@ -57,7 +56,7 @@ extern void set_lexer_symbols(ex l);
 extern bool is_lexer_symbol_predefined(const ex &s);
 
 /** The expression parser function (used internally). */
-extern int ginac_yyparse();
+extern int ginac_yyparse(void);
 
 /** The expression returned by the parser (used internally). */
 extern ex parsed_ex;