stage4/stage4.cc
author Manuele Conti <conti.ma@alice.it>
Mon, 30 Jul 2012 22:59:00 +0200
changeset 622 eaa49b276e17
parent 596 4efb11e44065
permissions -rw-r--r--
Add check bison version in configure.ac file.
To build correctly matiec we need bison greater or equals than 2.4 version.
Now the "configure" script is able to check if system has correctly requirements.
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/*
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 *  Copyright (C) 2003-2011  Mario de Sousa (msousa@fe.up.pt)
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 *  Copyright (C) 2007-2011  Laurent Bessard and Edouard Tisserant
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 *
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 *  This program is free software: you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation, either version 3 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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 *
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 * This code is made available on the understanding that it will not be
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 * used in safety-critical situations without a full and competent review.
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 */
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/*
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 * An IEC 61131-3 compiler.
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 *
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 * Based on the
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 * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
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 *
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 */
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/*
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 * This file contains the code that stores the output generated
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 * by each specific version of the 4th stage.
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 */
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// #include <stdio.h>  /* required for NULL */
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#include <string>
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#include <iostream>
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#include <fstream>
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#include <stdlib.h>
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#include "stage4.hh"
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#include "../main.hh" // required for ERROR() and ERROR_MSG() macros.
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#define FIRST_(symbol1, symbol2) (((symbol1)->first_order < (symbol2)->first_order)   ? (symbol1) : (symbol2))
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#define  LAST_(symbol1, symbol2) (((symbol1)->last_order  > (symbol2)->last_order)    ? (symbol1) : (symbol2))
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#include <stdarg.h>
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void stage4err(const char *stage4_generator_id, symbol_c *symbol1, symbol_c *symbol2, const char *errmsg, ...) {
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    va_list argptr;
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    va_start(argptr, errmsg); /* second argument is last fixed pamater of stage4err() */
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    if ((symbol1 != NULL) && (symbol2 != NULL))
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      fprintf(stderr, "%s:%d-%d..%d-%d: ",
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              FIRST_(symbol1,symbol2)->first_file, FIRST_(symbol1,symbol2)->first_line, FIRST_(symbol1,symbol2)->first_column,
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                                                   LAST_(symbol1,symbol2) ->last_line,  LAST_(symbol1,symbol2) ->last_column);
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    fprintf(stderr, "error %s: ", stage4_generator_id);
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    vfprintf(stderr, errmsg, argptr);
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    fprintf(stderr, "\n");
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    // error_count++;
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    va_end(argptr);
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}
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stage4out_c::stage4out_c(std::string indent_level):
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	m_file(NULL) {
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  out = &std::cout;
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  this->indent_level = indent_level;
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  this->indent_spaces = "";
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  allow_output = true;
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}
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stage4out_c::stage4out_c(const char *dir, const char *radix, const char *extension, std::string indent_level) {	
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  std::string filename(radix);
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  filename += ".";
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  filename += extension;
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  std::string filepath("");
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  if (dir != NULL) {
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    filepath += dir;
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    filepath += "/";
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  }
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  filepath += filename;
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  std::fstream *file = new std::fstream(filepath.c_str(), std::fstream::out);
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  if(file->fail()){
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    std::cerr << "Cannot open " << filename << " for write access \n";
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    exit(EXIT_FAILURE);
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  }else{
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    std::cout << filename << "\n";
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  }
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  out = file;
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  m_file = file;
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  this->indent_level = indent_level;
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  this->indent_spaces = "";
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  allow_output = true;
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}
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stage4out_c::~stage4out_c(void) {
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  if(m_file)
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  {
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    m_file->close();
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    delete m_file;
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  }
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}
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void stage4out_c::flush(void) {
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  out->flush();
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}
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void stage4out_c::enable_output(void) {
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  allow_output = true;
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}
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void stage4out_c::disable_output(void) {
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  allow_output = false;
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}
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void stage4out_c::indent_right(void) {
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  indent_spaces+=indent_level;
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}
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void stage4out_c::indent_left(void) {
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  if (indent_spaces.length() >= indent_level.length())
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    indent_spaces.erase(indent_spaces.length() - indent_level.length(), indent_level.length());
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  else
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    indent_spaces.erase();
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}
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void *stage4out_c::print(           std::string value) {if (!allow_output) return NULL; *out << value; return NULL;}
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void *stage4out_c::print(           const char *value) {if (!allow_output) return NULL; *out << value; return NULL;}
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//void *stage4out_c::print(               int64_t value) {if (!allow_output) return NULL; *out << value; return NULL;}
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//void *stage4out_c::print(              uint64_t value) {if (!allow_output) return NULL; *out << value; return NULL;}
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void *stage4out_c::print(              real64_t value) {if (!allow_output) return NULL; *out << value; return NULL;}
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void *stage4out_c::print(                   int value) {if (!allow_output) return NULL; *out << value; return NULL;}
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void *stage4out_c::print(              long int value) {if (!allow_output) return NULL; *out << value; return NULL;}
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void *stage4out_c::print(         long long int value) {if (!allow_output) return NULL; *out << value; return NULL;}
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void *stage4out_c::print(unsigned           int value) {if (!allow_output) return NULL; *out << value; return NULL;}
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void *stage4out_c::print(unsigned      long int value) {if (!allow_output) return NULL; *out << value; return NULL;}
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void *stage4out_c::print(unsigned long long int value) {if (!allow_output) return NULL; *out << value; return NULL;}
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void *stage4out_c::print_long_integer(unsigned long l_integer, bool suffix) {
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  if (!allow_output) return NULL;
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  *out << l_integer;
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  if (suffix) *out << "UL";
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  return NULL;
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}
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void *stage4out_c::print_long_long_integer(unsigned long long ll_integer, bool suffix) {
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  if (!allow_output) return NULL;
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  *out << ll_integer;
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  if (suffix) *out << "ULL";
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  return NULL;
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}
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void *stage4out_c::printupper(const char *str) {
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  if (!allow_output) return NULL;
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  for (int i = 0; str[i] != '\0'; i++)
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    *out << (unsigned char)toupper(str[i]);
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  return NULL;
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}
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void *stage4out_c::printlocation(const char *str) {
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  if (!allow_output) return NULL;
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  *out << "__";
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  for (int i = 0; str[i] != '\0'; i++)
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    if(str[i] == '.')
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      *out << '_';
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    else
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      *out << (unsigned char)toupper(str[i]);
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  return NULL;
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}
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void *stage4out_c::printlocation_comasep(const char *str) {
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  if (!allow_output) return NULL;
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  *out << (unsigned char)toupper(str[0]);
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  *out << ',';
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  *out << (unsigned char)toupper(str[1]);
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  *out << ',';
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  for (int i = 2; str[i] != '\0'; i++)
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    if(str[i] == '.')
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      *out << ',';
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    else
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      *out << (unsigned char)toupper(str[i]);
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  return NULL;
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}
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0
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void *stage4out_c::printupper(std::string str) {
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  if (!allow_output) return NULL;
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  /* The string standard class does not have a converter member function to upper case.
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   * We have to do it ourselves, a character at a time...
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   */
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#if 0
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  /* The C++ way of doint things... */
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  for (string::const_iterator p = str.begin(); p != str.end(); ++p)
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    *out << (unsigned char)toupper(*p);
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#else
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  /* Or more simply... */
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    printupper(str.c_str());
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#endif
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  return NULL;
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}
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void *stage4out_c::printlocation(std::string str) {
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  if (!allow_output) return NULL;
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  return printlocation(str.c_str());
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}
0
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/* forward declarations... */
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/* These functions will be implemented in generate_XXX.cc */
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visitor_c *new_code_generator(stage4out_c *s4o, const char *builddir);
0
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void delete_code_generator(visitor_c *code_generator);
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int stage4(symbol_c *tree_root, const char *builddir) {
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  stage4out_c s4o;
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  visitor_c *generate_code = new_code_generator(&s4o, builddir);
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  if (NULL == generate_code) ERROR;
0
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  tree_root->accept(*generate_code);
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  delete_code_generator(generate_code);
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  return 0;
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}
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