the input parser now handles (simple) indexed objects; the indices to be used

[ginac.git] / ginac / input_lexer.h

diff --git a/ginac/input_lexer.h b/ginac/input_lexer.h
index b7cc3c01af4da7ac2d7f861e7864ff21661077cc..ed3f94c63a1ddfb697df87cc8285b62657d53928 100644 (file)
--- a/ginac/input_lexer.h
+++ b/ginac/input_lexer.h
@@ -50,6 +50,9 @@ 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);