Remove useless code, and replace with assertion.
/*
* matiec - a compiler for the programming languages defined in IEC 61131-3
*
* Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt)
* Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant
*
* 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
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* This code is made available on the understanding that it will not be
* used in safety-critical situations without a full and competent review.
*/
/*
* An IEC 61131-3 compiler.
*
* Based on the
* FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
*
*/
/*
* This file contains the code that stores the output generated
* by each specific version of the 4th stage.
*/
#include "../absyntax/absyntax.hh"
void stage4err(const char *stage4_generator_id, symbol_c *symbol1, symbol_c *symbol2, const char *errmsg, ...);
class stage4out_c {
public:
std::string indent_level;
std::string indent_spaces;
public:
stage4out_c(std::string indent_level = " ");
stage4out_c(const char *dir, const char *radix, const char *extension, std::string indent_level = " ");
~stage4out_c(void);
void flush(void);
void enable_output(void);
void disable_output(void);
void indent_right(void);
void indent_left(void);
void *print(const char *str);
void *print(std::string str);
void *print_integer(int integer);
void *print_long_integer(unsigned long l_integer, bool suffix=true);
void *print_long_long_integer(unsigned long long ll_integer, bool suffix=true);
void *printupper(const char *str);
void *printupper(std::string str);
void *printlocation(const char *str);
void *printlocation(std::string str);
void *printlocation_comasep(const char *str);
protected:
std::ostream *out;
std::fstream *m_file;
/* A flag to tell whether to really print to the file, or to ignore any request to print to the file */
/* This is used to implement the no_code_generation pragmas, that lets the user tell the compiler
* when to switch on and off the code generation, without stoping the lexical, syntatical, and
* semantic analysers from analysing the code.
*/
bool allow_output;
};
int stage4(symbol_c *tree_root);