* This file must be processed with flex. */
/*
- * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2002 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
#ifndef __GINAC_INPUT_LEXER_H__
#define __GINAC_INPUT_LEXER_H__
+extern "C" {
#include <stdio.h>
-
+}
+
#include "config.h"
// yacc stack type
extern char ginac_yytext[];
#endif
-#ifndef NO_NAMESPACE_GINAC
namespace GiNaC {
-#endif // ndef NO_NAMESPACE_GINAC
class ex;
-/** Set the input string to be parsed by yyparse(). */
-extern void set_lexer_string(const string &s);
+/** Set the input string to be parsed by ginac_yyparse() (used internally). */
+extern void set_lexer_string(const std::string &s);
-/** Set the list of predefined symbols for the lexer (used internally for stream input). */
+/** Set the list of predefined symbols for the lexer (used internally). */
extern void set_lexer_symbols(ex l);
-/** The expression parser function (used internally for stream input). */
-extern int yyparse();
+/** Check whether lexer symbol was predefined (vs. created by the lexer, e.g. function names). */
+extern bool is_lexer_symbol_predefined(const ex &s);
+
+/** The expression parser function (used internally). */
+extern int ginac_yyparse();
-/** The expression returned by the parser (used internally for stream input). */
+/** The expression returned by the parser (used internally). */
extern ex parsed_ex;
/** Get error message from the parser. */
-extern string get_parser_error(void);
+extern std::string get_parser_error(void);
-#ifndef NO_NAMESPACE_GINAC
} // namespace GiNaC
-#endif // ndef NO_NAMESPACE_GINAC
#endif // ndef __GINAC_INPUT_LEXER_H__