etisserant@0: /*
msousa@267:  *  Copyright (C) 2003-2011  Mario de Sousa (msousa@fe.up.pt)
Edouard@279:  *  Copyright (C) 2007-2011  Laurent Bessard and Edouard Tisserant
msousa@267:  *
msousa@267:  *  This program is free software: you can redistribute it and/or modify
msousa@267:  *  it under the terms of the GNU General Public License as published by
msousa@267:  *  the Free Software Foundation, either version 3 of the License, or
msousa@267:  *  (at your option) any later version.
msousa@267:  *
msousa@267:  *  This program is distributed in the hope that it will be useful,
msousa@267:  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
msousa@267:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
msousa@267:  *  GNU General Public License for more details.
msousa@267:  *
msousa@267:  *  You should have received a copy of the GNU General Public License
msousa@267:  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
msousa@267:  *
etisserant@0:  *
etisserant@0:  * This code is made available on the understanding that it will not be
etisserant@0:  * used in safety-critical situations without a full and competent review.
etisserant@0:  */
etisserant@0: 
etisserant@0: /*
msousa@267:  * An IEC 61131-3 compiler.
etisserant@0:  *
etisserant@0:  * Based on the
etisserant@0:  * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
etisserant@0:  *
etisserant@0:  */
etisserant@0: 
etisserant@0: 
etisserant@0: /*
etisserant@0:  * This file contains the code that stores the output generated
etisserant@0:  * by each specific version of the 4th stage.
etisserant@0:  */
etisserant@0: 
etisserant@0: 
etisserant@0: 
etisserant@0: 
etisserant@0: 
etisserant@0: 
etisserant@0: // #include <stdio.h>  /* required for NULL */
etisserant@0: #include <string>
etisserant@0: #include <iostream>
etisserant@27: #include <fstream>
etisserant@139: #include <stdlib.h>
etisserant@0: 
etisserant@0: #include "stage4.hh"
etisserant@0: 
etisserant@0: 
msousa@522: #define FIRST_(symbol1, symbol2) (((symbol1)->first_order < (symbol2)->first_order)   ? (symbol1) : (symbol2))
msousa@522: #define  LAST_(symbol1, symbol2) (((symbol1)->last_order  > (symbol2)->last_order)    ? (symbol1) : (symbol2))
msousa@522: #include <stdarg.h>
msousa@522: 
msousa@522: void stage4err(const char *stage4_generator_id, symbol_c *symbol1, symbol_c *symbol2, const char *errmsg, ...) {
msousa@522:     va_list argptr;
msousa@522:     va_start(argptr, errmsg); /* second argument is last fixed pamater of stage4err() */
msousa@522: 
msousa@522:     fprintf(stderr, "%s:%d-%d..%d-%d: error %s: ",
msousa@522:             FIRST_(symbol1,symbol2)->first_file, FIRST_(symbol1,symbol2)->first_line, FIRST_(symbol1,symbol2)->first_column,
msousa@522:                                                  LAST_(symbol1,symbol2) ->last_line,  LAST_(symbol1,symbol2) ->last_column,
msousa@522:             stage4_generator_id);
msousa@522:     vfprintf(stderr, errmsg, argptr);
msousa@522:     fprintf(stderr, "\n");
msousa@522:     // error_count++;
msousa@522:     va_end(argptr);
msousa@522: }
etisserant@0: 
etisserant@0: 
etisserant@0: 
etisserant@27: stage4out_c::stage4out_c(std::string indent_level):
etisserant@27: 	m_file(NULL) {
etisserant@27:   out = &std::cout;
etisserant@0:   this->indent_level = indent_level;
etisserant@0:   this->indent_spaces = "";
etisserant@0: }
etisserant@0: 
lbessard@46: stage4out_c::stage4out_c(const char *dir, const char *radix, const char *extension, std::string indent_level) {	
etisserant@27:   std::string filename(radix);
etisserant@27:   filename += ".";
etisserant@27:   filename += extension;
lbessard@46:   std::string filepath("");
lbessard@46:   if (dir != NULL) {
lbessard@46:     filepath += dir;
lbessard@46:     filepath += "/";
lbessard@46:   }
lbessard@46:   filepath += filename;
lbessard@46:   std::fstream *file = new std::fstream(filepath.c_str(), std::fstream::out);
etisserant@41:   if(file->fail()){
etisserant@41:     std::cerr << "Cannot open " << filename << " for write access \n";
etisserant@41:     exit(EXIT_FAILURE);
etisserant@41:   }else{
etisserant@41:     std::cout << filename << "\n";
etisserant@41:   }
etisserant@27:   out = file;
etisserant@27:   m_file = file;
etisserant@27:   this->indent_level = indent_level;
etisserant@27:   this->indent_spaces = "";
msousa@267:   allow_output = true;
etisserant@27: }
etisserant@27: 
etisserant@27: stage4out_c::~stage4out_c(void) {
etisserant@27:   if(m_file)
etisserant@27:   {
etisserant@27:     m_file->close();
etisserant@27:     delete m_file;
etisserant@27:   }
etisserant@27: }
etisserant@0: 
msousa@296: void stage4out_c::flush(void) {
msousa@296:   out->flush();
msousa@296: }
msousa@296: 
msousa@267: void stage4out_c::enable_output(void) {
msousa@267:   allow_output = true;
msousa@267: }
msousa@267:     
msousa@267: void stage4out_c::disable_output(void) {
msousa@267:   allow_output = false;
msousa@267: }
etisserant@0: 
etisserant@0: void stage4out_c::indent_right(void) {
etisserant@0:   indent_spaces+=indent_level;
etisserant@0: }
etisserant@0: 
etisserant@0: void stage4out_c::indent_left(void) {
etisserant@0:   if (indent_spaces.length() >= indent_level.length())
etisserant@0:     indent_spaces.erase(indent_spaces.length() - indent_level.length(), indent_level.length());
etisserant@0:   else
etisserant@0:     indent_spaces.erase();
etisserant@0: }
etisserant@0: 
etisserant@0: 
etisserant@0: void *stage4out_c::print(const char *str) {
msousa@267:   if (!allow_output) return NULL;
etisserant@27:   *out << str;
etisserant@0:   return NULL;
etisserant@0: }
etisserant@0: 
lbessard@28: void *stage4out_c::print_integer(int integer) {
msousa@267:   if (!allow_output) return NULL;
lbessard@28:   *out << integer;
lbessard@28:   return NULL;
lbessard@28: }
etisserant@0: 
laurent@397: void *stage4out_c::print_long_integer(unsigned long l_integer, bool suffix) {
laurent@397:   if (!allow_output) return NULL;
laurent@397:   *out << l_integer;
laurent@397:   if (suffix) *out << "UL";
laurent@397:   return NULL;
laurent@397: }
laurent@397: 
laurent@397: void *stage4out_c::print_long_long_integer(unsigned long long ll_integer, bool suffix) {
laurent@397:   if (!allow_output) return NULL;
laurent@397:   *out << ll_integer;
laurent@397:   if (suffix) *out << "ULL";
laurent@210:   return NULL;
laurent@210: }
laurent@210: 
etisserant@0: void *stage4out_c::printupper(const char *str) {
msousa@267:   if (!allow_output) return NULL;
etisserant@0:   for (int i = 0; str[i] != '\0'; i++)
etisserant@27:     *out << (unsigned char)toupper(str[i]);
etisserant@0:   return NULL;
etisserant@0: }
etisserant@0: 
etisserant@26: void *stage4out_c::printlocation(const char *str) {
msousa@267:   if (!allow_output) return NULL;
etisserant@27:   *out << "__";
etisserant@26:   for (int i = 0; str[i] != '\0'; i++)
etisserant@26:     if(str[i] == '.')
etisserant@27:       *out << '_';
etisserant@26:     else
etisserant@27:       *out << (unsigned char)toupper(str[i]);
etisserant@26:   return NULL;
etisserant@26: }
etisserant@0: 
etisserant@55: void *stage4out_c::printlocation_comasep(const char *str) {
msousa@267:   if (!allow_output) return NULL;
etisserant@55:   *out << (unsigned char)toupper(str[0]);
etisserant@55:   *out << ',';
etisserant@55:   *out << (unsigned char)toupper(str[1]);
etisserant@55:   *out << ',';
etisserant@55:   for (int i = 2; str[i] != '\0'; i++)
etisserant@55:     if(str[i] == '.')
etisserant@55:       *out << ',';
etisserant@55:     else
etisserant@55:       *out << (unsigned char)toupper(str[i]);
etisserant@55:   return NULL;
etisserant@55: }
etisserant@55: 
etisserant@55: 
etisserant@0: void *stage4out_c::print(std::string str) {
msousa@267:   if (!allow_output) return NULL;
etisserant@27:   *out << str;
etisserant@0:   return NULL;
etisserant@0: }
etisserant@0: 
etisserant@0: 
etisserant@0: void *stage4out_c::printupper(std::string str) {
msousa@267:   if (!allow_output) return NULL;
etisserant@0:   /* The string standard class does not have a converter member function to upper case.
etisserant@0:    * We have to do it ourselves, a character at a time...
etisserant@0:    */
etisserant@0: #if 0
etisserant@0:   /* The C++ way of doint things... */
etisserant@0:   for (string::const_iterator p = str.begin(); p != str.end(); ++p)
etisserant@27:     *out << (unsigned char)toupper(*p);
etisserant@0: #else
etisserant@0:   /* Or more simply... */
etisserant@0:     printupper(str.c_str());
etisserant@0: #endif
etisserant@0:   return NULL;
etisserant@0: }
ccb@202: 
ccb@202: 
etisserant@26: void *stage4out_c::printlocation(std::string str) {
msousa@267:   if (!allow_output) return NULL;
etisserant@27:   return printlocation(str.c_str());
etisserant@26: }
etisserant@0: 
etisserant@0: 
etisserant@0: /***********************************************************************/
etisserant@0: /***********************************************************************/
etisserant@0: /***********************************************************************/
etisserant@0: /***********************************************************************/
etisserant@0: /***********************************************************************/
etisserant@0: /***********************************************************************/
etisserant@0: /***********************************************************************/
etisserant@0: /***********************************************************************/
etisserant@0: /***********************************************************************/
etisserant@0: /***********************************************************************/
etisserant@0: 
etisserant@0: 
etisserant@0: 
etisserant@0: /* forward declarations... */
etisserant@0: /* These functions will be implemented in generate_XXX.cc */
lbessard@46: visitor_c *new_code_generator(stage4out_c *s4o, const char *builddir);
etisserant@0: void delete_code_generator(visitor_c *code_generator);
etisserant@0: 
etisserant@0: 
lbessard@46: int stage4(symbol_c *tree_root, const char *builddir) {
etisserant@0:   stage4out_c s4o;
lbessard@46:   visitor_c *generate_code = new_code_generator(&s4o, builddir);
etisserant@0: 
etisserant@0:   if (NULL == generate_code)
etisserant@0:     return -1;
etisserant@0: 
etisserant@0:   tree_root->accept(*generate_code);
etisserant@0: 
etisserant@0:   delete_code_generator(generate_code);
etisserant@0: 
etisserant@0:   return 0;
etisserant@0: }
etisserant@0: