stage4/generate_c/generate_c.cc
author mjsousa
Thu, 26 May 2016 15:00:20 +0100
changeset 1016 91bef6704b44
parent 1011 76175defb87b
child 1021 21a97cdb317d
permissions -rw-r--r--
Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
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/*
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 *  matiec - a compiler for the programming languages defined in IEC 61131-3
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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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#include <string>
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#include <iostream>
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#include <sstream>
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#include <typeinfo>
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#include <list>
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#include <map>
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#include <sstream>
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#include <strings.h>
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#include "../../util/symtable.hh"
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#include "../../util/dsymtable.hh"
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#include "../../absyntax/visitor.hh"
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#include "../../absyntax_utils/absyntax_utils.hh"
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#include "../../main.hh" // required for ERROR() and ERROR_MSG() macros.
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#include "../stage4.hh"
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//#define DEBUG
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#ifdef DEBUG
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#define TRACE(classname) printf("\n____%s____\n",classname);
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#else
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#define TRACE(classname)
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#endif
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#define STAGE4_ERROR(symbol1, symbol2, ...) {stage4err("while generating C code", symbol1, symbol2, __VA_ARGS__); exit(EXIT_FAILURE);}
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/* Macros to access the constant value of each expression (if it exists) from the annotation introduced to the symbol_c object by constant_folding_c in stage3! */
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#define VALID_CVALUE(dtype, symbol)           ((symbol)->const_value._##dtype.is_valid())
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#define GET_CVALUE(dtype, symbol)             ((symbol)->const_value._##dtype.get()) 
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/***********************************************************************/
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/* Unlike Programs and Configurations which get mapped onto C++ classes,
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 * Function Blocks are mapped onto a C structure containing the variables, and
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 * a C function containing the code in the FB's body. This is to allow direct allocation
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 * of a FB variable (which is really an instance of the C data structure) to
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 * a member of a union variable (note that classes with constructors cannot
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 * be mebers of a union), which is done in IL when loading a FB onto IL's
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 * default variable.
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 *
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 * So as not to clash the names of the C data structure and the C function,
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 * the C structure is given a name identical to that of the FB name, whereas
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 * the name of the function is the FB name with a constant string appended.
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 * The value of that constant string which is appended is defined in the following
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 * constant.
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 * In order not to clash with any variable in the IL and ST source codem the
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 * following constant should contain a double underscore, which is not allowed
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 * in IL and ST.
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 *
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 * e.g.:  FUNTION_BLOCK TEST
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 * is mapped onto a TEST data structure, and a TEST_body__ function.
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 */
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#define FB_FUNCTION_SUFFIX "_body__"
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/* Idem as body, but for initializer FB function */
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#define FB_INIT_SUFFIX "_init__"
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/* Idem as body, but for run CONFIG and RESOURCE function */
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#define FB_RUN_SUFFIX "_run__"
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/* The FB body function is passed as the only parameter a pointer to the FB data
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 * structure instance. The name of this parameter is given by the following constant.
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 * In order not to clash with any variable in the IL and ST source codem the
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 * following constant should contain a double underscore, which is not allowed
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 * in IL and ST.
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 *
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 * e.g.: the body of FUNTION_BLOCK TEST
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 * is mapped onto the C function
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 *  TEST_body__(TEST *data__)
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 */
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#define FB_FUNCTION_PARAM "data__"
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#define SFC_STEP_ACTION_PREFIX "__SFC_"
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/* Variable declaration symbol for accessor macros */
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#define DECLARE_VAR "__DECLARE_VAR"
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#define DECLARE_GLOBAL "__DECLARE_GLOBAL"
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#define DECLARE_GLOBAL_FB "__DECLARE_GLOBAL_FB"
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#define DECLARE_GLOBAL_LOCATION "__DECLARE_GLOBAL_LOCATION"
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#define DECLARE_GLOBAL_LOCATED "__DECLARE_GLOBAL_LOCATED"
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#define DECLARE_EXTERNAL "__DECLARE_EXTERNAL"
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#define DECLARE_EXTERNAL_FB "__DECLARE_EXTERNAL_FB"
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#define DECLARE_LOCATED "__DECLARE_LOCATED"
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#define DECLARE_GLOBAL_PROTOTYPE "__DECLARE_GLOBAL_PROTOTYPE"
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/* Variable declaration symbol for accessor macros */
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#define INIT_VAR "__INIT_VAR"
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#define INIT_GLOBAL "__INIT_GLOBAL"
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#define INIT_GLOBAL_FB "__INIT_GLOBAL_FB"
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#define INIT_GLOBAL_LOCATED "__INIT_GLOBAL_LOCATED"
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#define INIT_EXTERNAL "__INIT_EXTERNAL"
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#define INIT_EXTERNAL_FB "__INIT_EXTERNAL_FB"
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#define INIT_LOCATED "__INIT_LOCATED"
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#define INIT_LOCATED_VALUE "__INIT_LOCATED_VALUE"
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/* Variable getter symbol for accessor macros */
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#define GET_VAR "__GET_VAR"
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#define GET_EXTERNAL "__GET_EXTERNAL"
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#define GET_EXTERNAL_FB "__GET_EXTERNAL_FB"
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#define GET_LOCATED "__GET_LOCATED"
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#define GET_VAR_REF "__GET_VAR_REF"
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#define GET_EXTERNAL_REF "__GET_EXTERNAL_REF"
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#define GET_EXTERNAL_FB_REF "__GET_EXTERNAL_FB_REF"
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#define GET_LOCATED_REF "__GET_LOCATED_REF"
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#define GET_VAR_DREF "__GET_VAR_DREF"
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#define GET_EXTERNAL_DREF "__GET_EXTERNAL_DREF"
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#define GET_EXTERNAL_FB_DREF "__GET_EXTERNAL_FB_DREF"
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#define GET_LOCATED_DREF "__GET_LOCATED_DREF"
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#define GET_VAR_BY_REF "__GET_VAR_BY_REF"
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#define GET_EXTERNAL_BY_REF "__GET_EXTERNAL_BY_REF"
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#define GET_EXTERNAL_FB_BY_REF "__GET_EXTERNAL_FB_BY_REF"
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#define GET_LOCATED_BY_REF "__GET_LOCATED_BY_REF"
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/* Variable setter symbol for accessor macros */
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#define SET_VAR "__SET_VAR"
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#define SET_EXTERNAL "__SET_EXTERNAL"
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#define SET_EXTERNAL_FB "__SET_EXTERNAL_FB"
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#define SET_LOCATED "__SET_LOCATED"
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/* Variable initial value symbol for accessor macros */
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#define INITIAL_VALUE "__INITIAL_VALUE"
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/* Generate a name for a temporary variable.
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 * Each new name generated is appended a different number,
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 * starting off from 0.
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 * After calling reset(), the names will start off again from 0.
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 */
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#define VAR_LEADER "__"
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#define TEMP_VAR VAR_LEADER "TMP_"
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#define SOURCE_VAR VAR_LEADER "SRC_"
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/* please see the comment before the RET_operator_c visitor for details... */
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#define END_LABEL VAR_LEADER "end"
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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static int generate_line_directives__ = 0;
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static int generate_pou_filepairs__   = 0;
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#ifdef __unix__
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/* Parse command line options passed from main.c !! */
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#include <stdlib.h> // for getsybopt()
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int  stage4_parse_options(char *options) {
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  enum {                    LINE_OPT = 0            ,  SEPTFILE_OPT              /*, SOME_OTHER_OPT, YET_ANOTHER_OPT */};
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  char *const token[] = { /*[LINE_OPT]=*/(char *)"l",/*SEPTFILE_OPT*/(char *)"p" /*, SOME_OTHER_OPT, ...             */, NULL };
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  /* unfortunately, the above commented out syntax for array initialization is valid in C, but not in C++ */
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  char *subopts = options;
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  char *value;
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  int opt;
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  while (*subopts != '\0') {
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    switch (getsubopt(&subopts, token, &value)) {
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      case     LINE_OPT: generate_line_directives__  = 1; break;
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      case SEPTFILE_OPT: generate_pou_filepairs__    = 1; break;
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      default          : fprintf(stderr, "Unrecognized option: -O %s\n", value); return -1; break;
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     }
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  }     
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  return 0;
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}
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void stage4_print_options(void) {
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  printf("          (options must be separated by commas. Example: 'l,w,x')\n"); 
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  printf("      l : insert '#line' directives in generated C code.\n"); 
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  printf("      p : place each POU in a separate pair of files (<pou_name>.c, <pou_name>.h).\n"); 
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}
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#else /* not __unix__ */
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/* getsubopt isn't supported with mingw, 
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 *  then stage4 options aren't available on windows*/
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void stage4_print_options(void) {}
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int  stage4_parse_options(char *options) {}
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#endif 
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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#include "generate_c_base.cc"
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#include "generate_c_typedecl.cc"
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#include "generate_c_sfcdecl.cc"
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#include "generate_c_vardecl.cc"
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#include "generate_c_configbody.cc"
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#include "generate_location_list.cc"
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#include "generate_var_list.cc"
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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#include "generate_c.hh"
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/***********************************************************************/
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/* A helper class that prints out the identifiers for function calls to overloaded functions */
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/* Given a function declaration of the function being called, it 
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 * will simply print out the returned data type,
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 * followed by the data types of all input, output, and in_out parameters.
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 *   for e.g.; 
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 *     SIN( REAL) : REAL      -> prints out ->  REAL__REAL
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 *     LEN( STRING) : INT     -> prints out ->  INT__STRING
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 *     MUL(TIME, INT) : TIME  -> prints out ->  TIME__TIME__INT
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 */
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class print_function_parameter_data_types_c: public generate_c_base_and_typeid_c {
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  private:
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    symbol_c *current_type;
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    bool_type_name_c tmp_bool;
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    void print_list(symbol_c *var_list, symbol_c *data_type) { 
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      if (data_type != NULL) {
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        /* print out the data type once for every variable! */
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        list_c *list = dynamic_cast<list_c *>(var_list);
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        if (list == NULL) ERROR;  
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        for (int i=0; i < list->n; i++) {
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          s4o.print("__");
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          data_type->accept(*this);
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        }  
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      }
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    }
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  public:
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    print_function_parameter_data_types_c(stage4out_c *s4o_ptr): 
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      generate_c_base_and_typeid_c(s4o_ptr)
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      {current_type = NULL;}
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    /**************************************/
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    /* B.1.5 - Program organization units */
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    /**************************************/
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    /***********************/
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    /* B 1.5.1 - Functions */
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    /***********************/
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    /*   FUNCTION derived_function_name ':' elementary_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
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    /* | FUNCTION derived_function_name ':' derived_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
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    void *visit(function_declaration_c *symbol) {
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      symbol->type_name->accept(*this); /* return type */
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      symbol->var_declarations_list->accept(*this);
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   286
      return NULL;
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   287
    }
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    /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
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   290
    //void *visit(var_declarations_list_c *symbol) {// iterate through list}
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   291
    
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   292
    /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
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   293
    //void *visit(input_declarations_c *symbol) {// iterate through list}
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diff changeset
   294
        
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   295
    /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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   296
    //void *visit(input_declaration_list_c *symbol) {// iterate through list}
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   298
    void *visit(edge_declaration_c *symbol) {
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diff changeset
   299
      current_type = &tmp_bool; 
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diff changeset
   300
      symbol->var1_list->accept(*this);
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diff changeset
   301
      current_type = NULL; 
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   302
      return NULL;
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diff changeset
   303
    }
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   304
    
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   305
    /* We do NOT print out EN and ENO parameters! */
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diff changeset
   306
    void *visit(en_param_declaration_c *symbol) {return NULL;}
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   307
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   308
    /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   309
    //void *visit(output_declarations_c *symbol) {// iterate through list}    
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diff changeset
   310
    
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   311
    /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
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   312
    //void *visit(var_init_decl_list_c *symbol) {// iterate through list}
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   313
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   314
    void *visit(simple_spec_init_c *symbol) {
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   315
      /* return the data type */
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   316
      return symbol->simple_specification; 
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diff changeset
   317
    }
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diff changeset
   318
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   319
    /* currently we do not support data types defined in the declaration itself */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   320
    /* For now, sugest the user define a TYPE .. END_TYPE */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   321
    /* NOTE: although this class may also sometimes point to a previously_declared_subrange_type_name
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diff changeset
   322
     * we don't need this for now, so it is easier to just skip it allocation
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diff changeset
   323
     */
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diff changeset
   324
    void *visit(subrange_spec_init_c *symbol) {return NULL;}
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   325
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   326
    /* currently we do not support data types defined in the declaration itself */
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diff changeset
   327
    /* For now, sugest the user define a TYPE .. END_TYPE */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   328
    /* NOTE: although this class may also sometimes point to a previously_declared_enumerated_type_name
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   329
     * we don't need this for now, so it is easier to just skip it allocation
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diff changeset
   330
     */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   331
    void *visit(enumerated_spec_init_c *symbol) {return NULL;}
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   332
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   333
    /* currently we do not support data types defined in the declaration itself */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   334
    /* For now, sugest the user define a TYPE .. END_TYPE */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   335
    /* NOTE: although this class may also sometimes point to a previously_declared_array_type_name
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   336
     * we don't need this for now, so it is easier to just skip it allocation
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   337
     */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   338
    void *visit(array_var_init_decl_c *symbol) {return NULL;}
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   339
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   340
    /* currently we do not support data types defined in the declaration itself */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   341
    /* For now, sugest the user define a TYPE .. END_TYPE */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   342
    /* NOTE: although this class may also sometimes point to a previously_declared_structured_type_name
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   343
     * we don't need this for now, so it is easier to just skip it allocation
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   344
     */
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diff changeset
   345
    void *visit(structured_var_init_decl_c *symbol) {return NULL;}
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   346
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   347
    /* We do NOT print out EN and ENO parameters! */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   348
    void *visit(eno_param_declaration_c *symbol) {return NULL;}
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   349
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   350
    /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   351
    //void *visit(input_output_declarations_c *symbol) {// iterate through list}    
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   352
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   353
    /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   354
    //void *visit(var_declaration_list_c *symbol) {iterate through list}
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   355
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   356
    void *visit(fb_name_decl_c *symbol) {
810
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 793
diff changeset
   357
      print_list(symbol->fb_name_list, spec_init_sperator_c::get_spec(symbol->fb_spec_init)); 
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   358
      return NULL;
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   359
    }
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   360
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   361
    void *visit(var1_init_decl_c *symbol) {
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   362
      print_list(symbol->var1_list, (symbol_c *)symbol->spec_init->accept(*this));
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   363
      return NULL;
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   364
    }
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   365
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   366
    /* currently we do not support data types defined in the declaration itself */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   367
    /* For now, sugest the user define a TYPE .. END_TYPE */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   368
    void *visit(array_var_declaration_c *symbol) {return NULL;}
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   369
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   370
    void *visit(structured_var_declaration_c *symbol) {
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   371
      current_type = symbol->structure_type_name; 
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   372
      symbol->var1_list->accept(*this);
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   373
      current_type = NULL; 
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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diff changeset
   374
      return NULL;
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   375
    }
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   376
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   377
    /* currently we do not support data types defined in the declaration itself */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   378
    /* For now, sugest the user define a TYPE .. END_TYPE */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   379
    /* Note that this class is used for fixed length strings...
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   380
     *   STRING [ 42 ]
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   381
     */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   382
    void *visit(single_byte_string_var_declaration_c *symbol) {return NULL;}
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   383
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   384
    /* currently we do not support data types defined in the declaration itself */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   385
    /* For now, sugest the user define a TYPE .. END_TYPE */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   386
    /* Note that this class is used for fixed length strings...
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   387
     *   WSTRING [ 42 ]
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   388
     */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   389
    void *visit(double_byte_string_var_declaration_c *symbol) {return NULL;}
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   390
};
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   391
    
2c3c4dc34979 Support for semantic verification of calls to standard functions.
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parents: 330
diff changeset
   392
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   393
/***********************************************************************/
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   394
/***********************************************************************/
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   395
/***********************************************************************/
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   396
/***********************************************************************/
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   397
852
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   398
/* A helper class that analyses if the datatype of a variable is 'complex'. */
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   399
/* 'complex' means that it is either a strcuture or an array!               */
863
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   400
class analyse_variable_c: public search_visitor_c {
852
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   401
  private:
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   402
    static analyse_variable_c *singleton_;
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   403
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   404
  public:
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   405
    analyse_variable_c(void) {};
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   406
    
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   407
    static bool is_complex_type(symbol_c *symbol) {
863
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   408
      if (NULL == symbol) ERROR;
872
3d682f87c870 Remove assertion being failed by IL labels (IL labels do not yet have specific datatypes).
mjsousa
parents: 864
diff changeset
   409
      if (!get_datatype_info_c::is_type_valid     (symbol->datatype)) return false;
852
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   410
      return (   get_datatype_info_c::is_structure(symbol->datatype) 
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   411
              || get_datatype_info_c::is_array    (symbol->datatype) 
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   412
             );
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   413
    }
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   414
863
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   415
    
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   416
  private:
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   417
    symbol_c *last_fb, *first_non_fb_identifier;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   418
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   419
  public:  
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   420
    /* returns the first element (from left to right) in a structured variable that is not a FB, i.e. is either a structure or an array! */
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   421
    /* eg:
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   422
     *      fb1.fb2.fb3.real       returns ??????
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   423
     *      fb1.fb2.struct1.real   returns struct1
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   424
     *      struct1.real           returns struct1
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   425
     */
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   426
    static symbol_c *find_first_nonfb(symbol_c *symbol) {
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   427
      if (NULL == singleton_)       singleton_ = new analyse_variable_c();
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   428
      if (NULL == singleton_)       ERROR;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   429
      if (NULL == symbol)           ERROR;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   430
      
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   431
      singleton_->last_fb                 = NULL;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   432
      singleton_->first_non_fb_identifier = NULL;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   433
      return (symbol_c *)symbol->accept(*singleton_);
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   434
    }
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   435
    
852
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   436
    /* returns true if a strcutured variable (e.g. fb1.fb2.strcut1.real) contains a structure or array */
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   437
    /* eg:
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   438
     *      fb1.fb2.fb3.real       returns FALSE
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   439
     *      fb1.fb2.struct1.real   returns TRUE
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   440
     *      struct1.real           returns TRUE
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   441
     */
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   442
    static bool contains_complex_type(symbol_c *symbol) {
863
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   443
      if (NULL == symbol) ERROR;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   444
      if (!get_datatype_info_c::is_type_valid(symbol->datatype)) ERROR;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   445
      
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   446
      symbol_c *first_non_fb = (symbol_c *)find_first_nonfb(symbol);
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   447
      return is_complex_type(first_non_fb->datatype);
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   448
    }
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   449
    
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   450
    
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   451
    /* returns the datatype of the variable returned by find_first_nonfb() */
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   452
    /* eg:
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   453
     *      fb1.fb2.fb3.real       returns ??????
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   454
     *      fb1.fb2.struct1.real   returns datatype of struct1
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   455
     *      struct1.real           returns datatype of struct1
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   456
     */
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   457
    static search_var_instance_decl_c::vt_t first_nonfb_vardecltype(symbol_c *symbol, symbol_c *scope) {
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   458
      if (NULL == symbol) ERROR;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   459
      if (!get_datatype_info_c::is_type_valid(symbol->datatype)) ERROR;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   460
      
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   461
      symbol_c *first_non_fb = (symbol_c *)find_first_nonfb(symbol);
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   462
      if (NULL != singleton_->last_fb) {
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   463
        scope = singleton_->last_fb->datatype;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   464
        symbol = singleton_->first_non_fb_identifier;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   465
      }
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   466
      
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   467
      search_var_instance_decl_c search_var_instance_decl(scope);
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   468
      
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   469
      return search_var_instance_decl.get_vartype(symbol);
852
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   470
    }
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   471
    
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   472
    
853
818c4ac5d64d Fix bug-fix of previous commit.
Mario de Sousa <msousa@fe.up.pt>
parents: 852
diff changeset
   473
    /*********************/
818c4ac5d64d Fix bug-fix of previous commit.
Mario de Sousa <msousa@fe.up.pt>
parents: 852
diff changeset
   474
    /* B 1.4 - Variables */
818c4ac5d64d Fix bug-fix of previous commit.
Mario de Sousa <msousa@fe.up.pt>
parents: 852
diff changeset
   475
    /*********************/
818c4ac5d64d Fix bug-fix of previous commit.
Mario de Sousa <msousa@fe.up.pt>
parents: 852
diff changeset
   476
    void *visit(symbolic_variable_c *symbol) {
863
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   477
      if (!get_datatype_info_c::is_type_valid    (symbol->datatype)) ERROR;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   478
      if (!get_datatype_info_c::is_function_block(symbol->datatype)) {
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   479
         first_non_fb_identifier = symbol; 
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   480
         return (void *)symbol;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   481
      }
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   482
      last_fb = symbol;
853
818c4ac5d64d Fix bug-fix of previous commit.
Mario de Sousa <msousa@fe.up.pt>
parents: 852
diff changeset
   483
      return NULL;
818c4ac5d64d Fix bug-fix of previous commit.
Mario de Sousa <msousa@fe.up.pt>
parents: 852
diff changeset
   484
    }
818c4ac5d64d Fix bug-fix of previous commit.
Mario de Sousa <msousa@fe.up.pt>
parents: 852
diff changeset
   485
    
852
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   486
    /*************************************/
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   487
    /* B.1.4.2   Multi-element Variables */
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   488
    /*************************************/
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   489
    
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   490
    // SYM_REF2(structured_variable_c, record_variable, field_selector)
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   491
    void *visit(structured_variable_c *symbol) {
863
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   492
      symbol_c *res = (symbol_c *)symbol->record_variable->accept(*this);
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   493
      if (NULL != res) return res;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   494
      
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   495
      if (!get_datatype_info_c::is_type_valid    (symbol->datatype)) ERROR;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   496
      if (!get_datatype_info_c::is_function_block(symbol->datatype)) {
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   497
         first_non_fb_identifier = symbol->field_selector; 
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   498
         return (void *)symbol;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   499
      }
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   500
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   501
      last_fb = symbol;      
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   502
      return NULL;      
852
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   503
    }
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   504
    
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   505
    /*  subscripted_variable '[' subscript_list ']' */
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   506
    //SYM_REF2(array_variable_c, subscripted_variable, subscript_list)
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   507
    void *visit(array_variable_c *symbol) {
863
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   508
      void *res = symbol->subscripted_variable->accept(*this);
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   509
      if (NULL != res) return res;
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   510
      return (void *)symbol;      
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   511
    }
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   512
06820d03a433 Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Mario de Sousa <msousa@fe.up.pt>
parents: 854
diff changeset
   513
    
852
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   514
};
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   515
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   516
analyse_variable_c *analyse_variable_c::singleton_ = NULL;
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   517
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   518
/***********************************************************************/
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   519
/***********************************************************************/
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   520
/***********************************************************************/
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   521
/***********************************************************************/
efb44e892582 Fix bug: allow use, as lvalues, structures/arrays inside FBs (e.g. fb1.struct1.r := 33.3).
Mario de Sousa <msousa@fe.up.pt>
parents: 816
diff changeset
   522
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 330
diff changeset
   523
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   524
#include "generate_c_st.cc"
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   525
#include "generate_c_il.cc"
217
f5dfadf5de54 Adding support for declare, init, get and set macros
laurent
parents: 210
diff changeset
   526
#include "generate_c_inlinefcall.cc"
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   527
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   528
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   529
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   530
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   531
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   532
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   533
#define MILLISECOND 1000000
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   534
#define SECOND 1000 * MILLISECOND
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   535
594
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   536
unsigned long long calculate_time(symbol_c *symbol) {
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   537
  if (NULL == symbol) return 0;
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   538
  
594
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   539
  interval_c *interval = dynamic_cast<interval_c *>(symbol);
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   540
  duration_c *duration = dynamic_cast<duration_c *>(symbol);
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   541
  
632
76c3d707ffa1 Adding error message when task interval value is not supported
Laurent Bessard
parents: 631
diff changeset
   542
  if ((NULL == interval) && (NULL == duration))
631
1a4f5ce62962 Adding error message when task interval value is not supported
Laurent Bessard
parents: 625
diff changeset
   543
  	  {STAGE4_ERROR(symbol, symbol, "This type of interval value is not currently supported"); ERROR;}
594
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   544
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   545
  if (NULL != duration) {
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   546
    /* SYM_REF2(duration_c, neg, interval) */
594
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   547
    if (duration->neg != NULL)
631
1a4f5ce62962 Adding error message when task interval value is not supported
Laurent Bessard
parents: 625
diff changeset
   548
      {STAGE4_ERROR(duration, duration, "Negative TIME literals for interval are not currently supported"); ERROR;}
594
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   549
    return calculate_time(duration->interval);
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   550
  }
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   551
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   552
  if (NULL != interval) {
547
dab341e80664 Fix parsing os TIME literals & rename the extract_integer() function.
mjsousa <msousa@fe.up.pt>
parents: 522
diff changeset
   553
    /* SYM_REF5(interval_c, days, hours, minutes, seconds, milliseconds) */
594
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   554
      unsigned long long int time_ull = 0; 
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   555
      long double            time_ld  = 0;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   556
      /*
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   557
      const unsigned long long int MILLISECOND = 1000000;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   558
      const unsigned long long int      SECOND = 1000 * MILLISECOND
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   559
      */
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   560
      
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   561
      if (NULL != interval->milliseconds) {
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   562
        if      (VALID_CVALUE( int64, interval->milliseconds) &&           GET_CVALUE( int64, interval->milliseconds) < 0) ERROR; // interval elements should always be positive!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   563
        if      (VALID_CVALUE( int64, interval->milliseconds)) time_ull += GET_CVALUE( int64, interval->milliseconds) * MILLISECOND;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   564
        else if (VALID_CVALUE(uint64, interval->milliseconds)) time_ull += GET_CVALUE(uint64, interval->milliseconds) * MILLISECOND;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   565
        else if (VALID_CVALUE(real64, interval->milliseconds)) time_ld  += GET_CVALUE(real64, interval->milliseconds) * MILLISECOND;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   566
        else ERROR; // if (NULL != interval->milliseconds) is true, then it must have a valid constant value!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   567
      }
547
dab341e80664 Fix parsing os TIME literals & rename the extract_integer() function.
mjsousa <msousa@fe.up.pt>
parents: 522
diff changeset
   568
   
594
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   569
      if (NULL != interval->seconds     ) {
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   570
        if      (VALID_CVALUE( int64, interval->seconds     ) &&           GET_CVALUE( int64, interval->seconds     ) < 0) ERROR; // interval elements should always be positive!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   571
        if      (VALID_CVALUE( int64, interval->seconds     )) time_ull += GET_CVALUE( int64, interval->seconds     ) * SECOND;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   572
        else if (VALID_CVALUE(uint64, interval->seconds     )) time_ull += GET_CVALUE(uint64, interval->seconds     ) * SECOND;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   573
        else if (VALID_CVALUE(real64, interval->seconds     )) time_ld  += GET_CVALUE(real64, interval->seconds     ) * SECOND;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   574
        else ERROR; // if (NULL != interval->seconds) is true, then it must have a valid constant value!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   575
      }
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   576
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   577
      if (NULL != interval->minutes     ) {
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   578
        if      (VALID_CVALUE( int64, interval->minutes     ) &&           GET_CVALUE( int64, interval->minutes     ) < 0) ERROR; // interval elements should always be positive!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   579
        if      (VALID_CVALUE( int64, interval->minutes     )) time_ull += GET_CVALUE( int64, interval->minutes     ) * SECOND * 60;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   580
        else if (VALID_CVALUE(uint64, interval->minutes     )) time_ull += GET_CVALUE(uint64, interval->minutes     ) * SECOND * 60;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   581
        else if (VALID_CVALUE(real64, interval->minutes     )) time_ld  += GET_CVALUE(real64, interval->minutes     ) * SECOND * 60;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   582
        else ERROR; // if (NULL != interval->minutes) is true, then it must have a valid constant value!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   583
      }
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   584
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   585
      if (NULL != interval->hours       ) {
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   586
        if      (VALID_CVALUE( int64, interval->hours       ) &&           GET_CVALUE( int64, interval->hours       ) < 0) ERROR; // interval elements should always be positive!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   587
        if      (VALID_CVALUE( int64, interval->hours       )) time_ull += GET_CVALUE( int64, interval->hours       ) * SECOND * 60 * 60;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   588
        else if (VALID_CVALUE(uint64, interval->hours       )) time_ull += GET_CVALUE(uint64, interval->hours       ) * SECOND * 60 * 60;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   589
        else if (VALID_CVALUE(real64, interval->hours       )) time_ld  += GET_CVALUE(real64, interval->hours       ) * SECOND * 60 * 60;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   590
        else ERROR; // if (NULL != interval->hours) is true, then it must have a valid constant value!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   591
      }
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   592
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   593
      if (NULL != interval->days        ) {
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   594
        if      (VALID_CVALUE( int64, interval->days        ) &&           GET_CVALUE( int64, interval->days        ) < 0) ERROR; // interval elements should always be positive!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   595
        if      (VALID_CVALUE( int64, interval->days        )) time_ull += GET_CVALUE( int64, interval->days        ) * SECOND * 60 * 60 * 24;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   596
        else if (VALID_CVALUE(uint64, interval->days        )) time_ull += GET_CVALUE(uint64, interval->days        ) * SECOND * 60 * 60 * 24;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   597
        else if (VALID_CVALUE(real64, interval->days        )) time_ld  += GET_CVALUE(real64, interval->days        ) * SECOND * 60 * 60 * 24;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   598
        else ERROR; // if (NULL != interval->days) is true, then it must have a valid constant value!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   599
      }
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   600
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   601
      time_ull += time_ld;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   602
      return time_ull;
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   603
  };
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   604
  ERROR; // should never reach this point!
c8092e909886 Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   605
  return 0; // humour the compiler!
661
f537c3315f83 Minor changes needed to build with pedantic flag.
Manuele Conti <conti.ma@alice.it>
parents: 624
diff changeset
   606
}
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   607
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   608
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   609
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   610
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   611
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   612
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   613
class calculate_common_ticktime_c: public iterator_visitor_c {
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   614
  private:
210
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   615
    unsigned long long common_ticktime;
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   616
    unsigned long long least_common_ticktime;
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   617
    
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   618
  public:
210
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   619
    calculate_common_ticktime_c(void){
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   620
      common_ticktime = 0;
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   621
      least_common_ticktime = 0;
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   622
    }
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   623
    
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   624
    unsigned long long euclide(unsigned long long a, unsigned long long b) {
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   625
      unsigned long long c = a % b;
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   626
      if (c == 0)
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   627
        return b;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   628
      else
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   629
        return euclide(b, c);
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   630
    }
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   631
    
210
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   632
    void update_ticktime(unsigned long long time) {
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   633
      if (common_ticktime == 0)
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   634
        common_ticktime = time;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   635
      else if (time > common_ticktime)
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   636
        common_ticktime = euclide(time, common_ticktime);
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   637
      else
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   638
        common_ticktime = euclide(common_ticktime, time);
210
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   639
      if (least_common_ticktime == 0)
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   640
        least_common_ticktime = time;
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   641
      else
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   642
        least_common_ticktime = (least_common_ticktime * time) / common_ticktime;
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   643
    }
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   644
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   645
    unsigned long long get_common_ticktime(void) {
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   646
      return common_ticktime;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   647
    }
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   648
210
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   649
    unsigned long get_greatest_tick_count(void) {
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   650
      unsigned long long least_common_tick = least_common_ticktime / common_ticktime;
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   651
      if (least_common_tick >> 32)
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   652
        ERROR;
237
cece842c7417 Adding support for using arrays in POU interface
laurent
parents: 234
diff changeset
   653
      return (unsigned long)(~(((unsigned long)-1) % (unsigned long)least_common_tick) + 1);
210
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   654
    }
8387cac2aba6 Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents: 202
diff changeset
   655
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   656
/*  TASK task_name task_initialization */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   657
//SYM_REF2(task_configuration_c, task_name, task_initialization)  
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   658
    void *visit(task_initialization_c *symbol) {
816
dcd861dda04a Fixed bug when defining task with single_data_source instead of interval_data_source
Laurent Bessard
parents: 810
diff changeset
   659
      if (symbol->interval_data_source != NULL) {
dcd861dda04a Fixed bug when defining task with single_data_source instead of interval_data_source
Laurent Bessard
parents: 810
diff changeset
   660
    	  unsigned long long time = calculate_time(symbol->interval_data_source);
dcd861dda04a Fixed bug when defining task with single_data_source instead of interval_data_source
Laurent Bessard
parents: 810
diff changeset
   661
    	  if (time < 0)  ERROR;
dcd861dda04a Fixed bug when defining task with single_data_source instead of interval_data_source
Laurent Bessard
parents: 810
diff changeset
   662
    	  else           update_ticktime(time);
dcd861dda04a Fixed bug when defining task with single_data_source instead of interval_data_source
Laurent Bessard
parents: 810
diff changeset
   663
      }
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   664
      return NULL;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   665
    }
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   666
};    
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   667
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   668
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   669
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   670
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   671
/***********************************************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   672
217
f5dfadf5de54 Adding support for declare, init, get and set macros
laurent
parents: 210
diff changeset
   673
/* A helper class that knows how to generate code for the SFC, IL and ST languages... */
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   674
class generate_c_SFC_IL_ST_c: public null_visitor_c {
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   675
  private:
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   676
    stage4out_c *s4o_ptr;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   677
    symbol_c *scope;
217
f5dfadf5de54 Adding support for declare, init, get and set macros
laurent
parents: 210
diff changeset
   678
    symbol_c *fbname;
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   679
    const char *variable_prefix;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   680
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   681
  public:
217
f5dfadf5de54 Adding support for declare, init, get and set macros
laurent
parents: 210
diff changeset
   682
    generate_c_SFC_IL_ST_c(stage4out_c *s4o_ptr, symbol_c *name, symbol_c *scope, const char *variable_prefix = NULL);
267
0a1204bcc9af starting to add proper header file with declaration of standard functions
Mario de Sousa <msousa@fe.up.pt>
parents: 262
diff changeset
   683
    
0a1204bcc9af starting to add proper header file with declaration of standard functions
Mario de Sousa <msousa@fe.up.pt>
parents: 262
diff changeset
   684
    /********************/
0a1204bcc9af starting to add proper header file with declaration of standard functions
Mario de Sousa <msousa@fe.up.pt>
parents: 262
diff changeset
   685
    /* 2.1.6 - Pragmas  */
0a1204bcc9af starting to add proper header file with declaration of standard functions
Mario de Sousa <msousa@fe.up.pt>
parents: 262
diff changeset
   686
    /********************/
0a1204bcc9af starting to add proper header file with declaration of standard functions
Mario de Sousa <msousa@fe.up.pt>
parents: 262
diff changeset
   687
    void *visit(enable_code_generation_pragma_c * symbol)   {s4o_ptr->enable_output();  return NULL;}
0a1204bcc9af starting to add proper header file with declaration of standard functions
Mario de Sousa <msousa@fe.up.pt>
parents: 262
diff changeset
   688
    void *visit(disable_code_generation_pragma_c * symbol)  {s4o_ptr->disable_output(); return NULL;} 
0a1204bcc9af starting to add proper header file with declaration of standard functions
Mario de Sousa <msousa@fe.up.pt>
parents: 262
diff changeset
   689
    
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   690
    /*********************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   691
    /* B.1.6  Sequential function chart elements */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   692
    /*********************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   693
    /*| sequential_function_chart sfc_network*/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   694
    void *visit(sequential_function_chart_c * symbol);
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   695
    
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   696
    /****************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   697
    /* B.2 - Language IL (Instruction List) */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   698
    /****************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   699
    
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   700
    /***********************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   701
    /* B 2.1 Instructions and Operands */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   702
    /***********************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   703
    /*| instruction_list il_instruction */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   704
    void *visit(instruction_list_c *symbol);
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   705
    
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   706
    /* Remainder implemented in generate_c_il_c... */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   707
    
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   708
    /***************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   709
    /* B.3 - Language ST (Structured Text) */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   710
    /***************************************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   711
    /***********************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   712
    /* B 3.1 - Expressions */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   713
    /***********************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   714
    /* Implemented in generate_c_st_c */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   715
    
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   716
    /********************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   717
    /* B 3.2 Statements */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   718
    /********************/
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   719
    void *visit(statement_list_c *symbol);
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   720
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   721
/* Remainder implemented in generate_c_st_c... */
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   722
};
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   723
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   724
#include "generate_c_sfc.cc"
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   725
217
f5dfadf5de54 Adding support for declare, init, get and set macros
laurent
parents: 210
diff changeset
   726
generate_c_SFC_IL_ST_c::generate_c_SFC_IL_ST_c(stage4out_c *s4o_ptr, symbol_c *name, symbol_c *scope, const char *variable_prefix) {
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   727
  if (NULL == scope) ERROR;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   728
  this->s4o_ptr = s4o_ptr;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   729
  this->scope = scope;
217
f5dfadf5de54 Adding support for declare, init, get and set macros
laurent
parents: 210
diff changeset
   730
  this->fbname = name;
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   731
  this->variable_prefix = variable_prefix;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   732
}
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   733
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   734
void *generate_c_SFC_IL_ST_c::visit(sequential_function_chart_c * symbol) {
217
f5dfadf5de54 Adding support for declare, init, get and set macros
laurent
parents: 210
diff changeset
   735
  generate_c_sfc_c generate_c_sfc(s4o_ptr, fbname, scope, variable_prefix);
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   736
  generate_c_sfc.generate(symbol);
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   737
  return NULL;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   738
}
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   739
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   740
void *generate_c_SFC_IL_ST_c::visit(instruction_list_c *symbol) {
217
f5dfadf5de54 Adding support for declare, init, get and set macros
laurent
parents: 210
diff changeset
   741
  generate_c_il_c generate_c_il(s4o_ptr, fbname, scope, variable_prefix);
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   742
  generate_c_il.generate(symbol);
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   743
  return NULL;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   744
}
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   745
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   746
void *generate_c_SFC_IL_ST_c::visit(statement_list_c *symbol) {
217
f5dfadf5de54 Adding support for declare, init, get and set macros
laurent
parents: 210
diff changeset
   747
  generate_c_st_c generate_c_st(s4o_ptr, fbname, scope, variable_prefix);
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   748
  generate_c_st.generate(symbol);
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   749
  return NULL;
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   750
}
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   751
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   752
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   753
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   754
913
1c74da17cb61 Implicitly defined array datatypes use new naming method (greatly simplifies stage 4 code).
mjsousa
parents: 908
diff changeset
   755
1c74da17cb61 Implicitly defined array datatypes use new naming method (greatly simplifies stage 4 code).
mjsousa
parents: 908
diff changeset
   756
1c74da17cb61 Implicitly defined array datatypes use new naming method (greatly simplifies stage 4 code).
mjsousa
parents: 908
diff changeset
   757
1c74da17cb61 Implicitly defined array datatypes use new naming method (greatly simplifies stage 4 code).
mjsousa
parents: 908
diff changeset
   758
1c74da17cb61 Implicitly defined array datatypes use new naming method (greatly simplifies stage 4 code).
mjsousa
parents: 908
diff changeset
   759
377
60b012b7793f Adding support for compiling direct array specification inside variable declaration
laurent
parents: 355
diff changeset
   760
/***********************************************************************/
60b012b7793f Adding support for compiling direct array specification inside variable declaration
laurent
parents: 355
diff changeset
   761
/***********************************************************************/
60b012b7793f Adding support for compiling direct array specification inside variable declaration
laurent
parents: 355
diff changeset
   762
/***********************************************************************/
60b012b7793f Adding support for compiling direct array specification inside variable declaration
laurent
parents: 355
diff changeset
   763
/***********************************************************************/
60b012b7793f Adding support for compiling direct array specification inside variable declaration
laurent
parents: 355
diff changeset
   764
/***********************************************************************/
60b012b7793f Adding support for compiling direct array specification inside variable declaration
laurent
parents: 355
diff changeset
   765
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   766
class generate_c_pous_c {  
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   767
  /* NOTE: This is NOT a visistor class!!
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   768
   * 
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   769
   *       Actually, it does not even really need to be a class. It is simply a collection of similar functions!!
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   770
   */ 
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   771
267
0a1204bcc9af starting to add proper header file with declaration of standard functions
Mario de Sousa <msousa@fe.up.pt>
parents: 262
diff changeset
   772
  private:
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   773
    static void print_end_of_block_label(stage4out_c &s4o) {
283
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   774
      /* Print and __end label for return statements!
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   775
       * If label is not used by at least one goto, compiler will generate a warning.
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   776
       * To work around this we introduce the useless goto.
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   777
       */
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   778
      s4o.print("\n");
634
736b36a83548 Added double curly braces for pragma (kept single curly braces for compatibility). Added macro def and undef surrounding pragma to simplify user code. Moved useless comment from generated code back to code generator.
Edouard Tisserant
parents: 632
diff changeset
   779
      /* to humour the compiler, we insert a goto */
283
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   780
      s4o.print(s4o.indent_spaces);
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   781
      s4o.print("goto ");
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   782
      s4o.print(END_LABEL);
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   783
      s4o.print(";\n");
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   784
      s4o.indent_left();
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   785
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   786
      /* write the label marking the end of the code block */
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   787
      /* please see the comment before the RET_operator_c visitor for details... */
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   788
      /* also needed for return_statement_c */
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   789
      s4o.print("\n");
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   790
      s4o.print(s4o.indent_spaces);
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   791
      s4o.print(END_LABEL);
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   792
      s4o.print(":\n");
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   793
      s4o.indent_right();
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   794
    }
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   795
  
214d3fdee596 fixing C code generation of return_statement_c and exit_statement_c
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   796
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   797
    /*************/
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   798
    /* Functions */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   799
    /*************/
70
e1f0ebd2d9ec Change generate_cc to generate_c
lbessard
parents:
diff changeset
   800
  public:
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   801
    /* NOTE: The following function will be called twice:
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   802
     *         1st time:  s4o will reference the .h file, and print_declaration=true
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   803
     *                     Here, we generate the function prototypes...
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   804
     *         2nd time:  s4o will reference the .c file, and print_declaration=false
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   805
     *                     Here we generate the source code!
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   806
     */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   807
    /*   FUNCTION derived_function_name ':' elementary_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   808
    /* | FUNCTION derived_function_name ':' derived_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   809
    static void handle_function(function_declaration_c *symbol, stage4out_c &s4o, bool print_declaration) {
945
477393b00f95 Add support for relaxed datatype model for array datatypes.
mjsousa
parents: 933
diff changeset
   810
      generate_c_vardecl_c          *vardecl = NULL;
477393b00f95 Add support for relaxed datatype model for array datatypes.
mjsousa
parents: 933
diff changeset
   811
      generate_c_base_and_typeid_c   print_base(&s4o);
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   812
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   813
      TRACE("function_declaration_c");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   814
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   815
      /* (A) Function declaration... */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   816
      /* (A.1) Function return type */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   817
      s4o.print("// FUNCTION\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   818
      symbol->type_name->accept(print_base); /* return type */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   819
      s4o.print(" ");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   820
      /* (A.2) Function name */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   821
      symbol->derived_function_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   822
      s4o.print("(");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   823
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   824
      /* (A.3) Function parameters */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   825
      s4o.indent_right();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   826
      vardecl = new generate_c_vardecl_c(&s4o,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   827
                                         generate_c_vardecl_c::finterface_vf,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   828
                                         generate_c_vardecl_c::input_vt    |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   829
                                         generate_c_vardecl_c::output_vt   |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   830
                                         generate_c_vardecl_c::inoutput_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   831
                                         generate_c_vardecl_c::en_vt       |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   832
                                         generate_c_vardecl_c::eno_vt);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   833
      vardecl->print(symbol->var_declarations_list);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   834
      delete vardecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   835
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   836
      s4o.indent_left();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   837
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   838
      s4o.print(")");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   839
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   840
      /* If we only want the declaration/prototype, then return!! */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   841
      if (print_declaration) 
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   842
        {s4o.print(";\n"); return;}
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   843
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   844
      /* continue generating the function definition/code... */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   845
      s4o.print("\n" + s4o.indent_spaces + "{\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   846
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   847
      /* (B) Function local variable declaration */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   848
      /* (B.1) Variables declared in ST source code */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   849
      s4o.indent_right();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   850
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   851
      vardecl = new generate_c_vardecl_c(&s4o,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   852
                    generate_c_vardecl_c::localinit_vf,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   853
                    generate_c_vardecl_c::output_vt   |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   854
                    generate_c_vardecl_c::inoutput_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   855
                    generate_c_vardecl_c::private_vt  |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   856
                    generate_c_vardecl_c::eno_vt);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   857
      vardecl->print(symbol->var_declarations_list);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   858
      delete vardecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   859
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   860
      /* (B.2) Temporary variable for function's return value */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   861
      /* It will have the same name as the function itself! */
1016
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   862
      /* NOTE: matiec supports a non-standard syntax, in which functions do not return a value
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   863
       *       (declared as returning the special non-standard datatype VOID)
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   864
       *       e.g.:   FUNCTION foo: VOID
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   865
       *                ...
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   866
       *               END_FUNCTION
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   867
       *       
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   868
       *       These functions cannot return any value, so they do not need a variable to
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   869
       *       store the return value.
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   870
       *       Note that any attemot to sto a value in the implicit variable
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   871
       *       e.g.:   FUNCTION foo: VOID
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   872
       *                ...
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   873
       *                 foo := 42;
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   874
       *               END_FUNCTION
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   875
       *       will always return a datatype incompatilibiyt error in stage 3 of matiec, 
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   876
       *       so it is safe for stage 4 to assume that this return variable will never be needed
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   877
       *       if the function's return type is VOID.
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   878
       */
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   879
      if (!get_datatype_info_c::is_VOID(symbol->type_name->datatype)) { // only print return variable if return datatype is not VOID
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   880
        s4o.print(s4o.indent_spaces);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   881
        symbol->type_name->accept(print_base); /* return type */
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   882
        s4o.print(" ");
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   883
        symbol->derived_function_name->accept(print_base);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   884
        s4o.print(" = ");
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   885
        {
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   886
          /* get the default value of this variable's type */
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   887
          symbol_c *default_value = type_initial_value_c::get(symbol->type_name);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   888
          if (default_value == NULL) ERROR;
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   889
          initialization_analyzer_c initialization_analyzer(default_value);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   890
          switch (initialization_analyzer.get_initialization_type()) {
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   891
            case initialization_analyzer_c::struct_it:
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   892
              {
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   893
                generate_c_structure_initialization_c *structure_initialization = new generate_c_structure_initialization_c(&s4o);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   894
                structure_initialization->init_structure_default(symbol->type_name);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   895
                structure_initialization->init_structure_values(default_value);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   896
                delete structure_initialization;
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   897
              }
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   898
              break;
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   899
            case initialization_analyzer_c::array_it:
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   900
              {
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   901
                generate_c_array_initialization_c *array_initialization = new generate_c_array_initialization_c(&s4o);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   902
                array_initialization->init_array_size(symbol->type_name);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   903
                array_initialization->init_array_values(default_value);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   904
                delete array_initialization;
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   905
              }
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   906
              break;
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   907
            default:
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   908
              default_value->accept(print_base);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   909
              break;
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   910
          }
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   911
        }
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   912
      }
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   913
      s4o.print(";\n\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   914
      
1011
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   915
      
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   916
      // Only generate the code that controls the execution of the function's body if the
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   917
      // function contains a declaration of both the EN and ENO variables
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   918
      search_var_instance_decl_c search_var(symbol);
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   919
      identifier_c  en_var("EN");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   920
      identifier_c eno_var("ENO");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   921
      if (   (search_var.get_vartype(& en_var) == search_var_instance_decl_c::input_vt)
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   922
          && (search_var.get_vartype(&eno_var) == search_var_instance_decl_c::output_vt)) {
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   923
        s4o.print(s4o.indent_spaces + "// Control execution\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   924
        s4o.print(s4o.indent_spaces + "if (!EN) {\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   925
        s4o.indent_right();
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   926
        s4o.print(s4o.indent_spaces + "if (__ENO != NULL) {\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   927
        s4o.indent_right();
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   928
        s4o.print(s4o.indent_spaces + "*__ENO = __BOOL_LITERAL(FALSE);\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   929
        s4o.indent_left();
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   930
        s4o.print(s4o.indent_spaces + "}\n");
1016
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   931
        if (!get_datatype_info_c::is_VOID(symbol->type_name->datatype)) { // only print return variable if return datatype is not VOID
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   932
          s4o.print(s4o.indent_spaces + "return ");
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   933
          symbol->derived_function_name->accept(print_base);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   934
          s4o.print(";\n");
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   935
        }
1011
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   936
        s4o.indent_left();
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   937
        s4o.print(s4o.indent_spaces + "}\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
   938
      }
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   939
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   940
      /* (C) Function body */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   941
      generate_c_SFC_IL_ST_c generate_c_code(&s4o, symbol->derived_function_name, symbol);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   942
      symbol->function_body->accept(generate_c_code);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   943
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   944
      print_end_of_block_label(s4o);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   945
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   946
      vardecl = new generate_c_vardecl_c(&s4o,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   947
                    generate_c_vardecl_c::foutputassign_vf,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   948
                    generate_c_vardecl_c::output_vt   |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   949
                    generate_c_vardecl_c::inoutput_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   950
                    generate_c_vardecl_c::eno_vt);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   951
      vardecl->print(symbol->var_declarations_list);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   952
      delete vardecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   953
      
1016
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   954
      if (!get_datatype_info_c::is_VOID(symbol->type_name->datatype)) { // only print 'return <fname>' if return datatype is not VOID
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   955
        s4o.print(s4o.indent_spaces + "return ");
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   956
        symbol->derived_function_name->accept(print_base);
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   957
        s4o.print(";\n");
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   958
      }
91bef6704b44 Add support for functions returning VOID (i.e. non-standard extension, allowing functions that do not return any data)
mjsousa
parents: 1011
diff changeset
   959
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   960
      s4o.indent_left();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   961
      s4o.print(s4o.indent_spaces + "}\n\n\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   962
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   963
      return;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   964
    }
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   965
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   966
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   967
    /*******************/
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   968
    /* Function Blocks */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   969
    /*******************/
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   970
  public:
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   971
    /* NOTE: The following function will be called twice:
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   972
     *         1st time:  s4o will reference the .h file, and print_declaration=true
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   973
     *                     Here, we generate the function prototypes...
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   974
     *         2nd time:  s4o will reference the .c file, and print_declaration=false
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   975
     *                     Here we generate the source code!
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   976
     */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   977
    /*  FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   978
    //SYM_REF4(function_block_declaration_c, fblock_name, var_declarations, fblock_body, unused)
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   979
    static void handle_function_block(function_block_declaration_c *symbol, stage4out_c &s4o, bool print_declaration) {
945
477393b00f95 Add support for relaxed datatype model for array datatypes.
mjsousa
parents: 933
diff changeset
   980
      generate_c_vardecl_c          *vardecl;
477393b00f95 Add support for relaxed datatype model for array datatypes.
mjsousa
parents: 933
diff changeset
   981
      generate_c_sfcdecl_c          *sfcdecl;
477393b00f95 Add support for relaxed datatype model for array datatypes.
mjsousa
parents: 933
diff changeset
   982
      generate_c_base_and_typeid_c   print_base(&s4o);
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   983
      TRACE("function_block_declaration_c");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   984
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   985
      /* (A) Function Block data structure declaration... */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   986
      if (print_declaration) {
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   987
        /* (A.1) Data structure declaration */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   988
        s4o.print("// FUNCTION_BLOCK ");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   989
        symbol->fblock_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   990
        s4o.print("\n// Data part\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   991
        s4o.print("typedef struct {\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   992
        s4o.indent_right();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   993
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   994
        /* (A.2) Public variables: i.e. the function parameters... */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   995
        s4o.print(s4o.indent_spaces + "// FB Interface - IN, OUT, IN_OUT variables\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   996
        vardecl = new generate_c_vardecl_c(&s4o,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   997
                                           generate_c_vardecl_c::local_vf,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   998
                                           generate_c_vardecl_c::input_vt    |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
   999
                                           generate_c_vardecl_c::output_vt   |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1000
                                           generate_c_vardecl_c::inoutput_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1001
                                           generate_c_vardecl_c::en_vt       |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1002
                                           generate_c_vardecl_c::eno_vt);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1003
        vardecl->print(symbol->var_declarations);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1004
        delete vardecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1005
        s4o.print("\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1006
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1007
        /* (A.3) Private internal variables */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1008
        s4o.print(s4o.indent_spaces + "// FB private variables - TEMP, private and located variables\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1009
        vardecl = new generate_c_vardecl_c(&s4o,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1010
                                           generate_c_vardecl_c::local_vf,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1011
                                           generate_c_vardecl_c::temp_vt    |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1012
                                           generate_c_vardecl_c::private_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1013
                                           generate_c_vardecl_c::located_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1014
                                           generate_c_vardecl_c::external_vt);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1015
        vardecl->print(symbol->var_declarations);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1016
        delete vardecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1017
        
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1018
        /* (A.4) Generate private internal variables for SFC */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1019
        sfcdecl = new generate_c_sfcdecl_c(&s4o, symbol);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1020
        sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::sfcdecl_sd);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1021
        delete sfcdecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1022
        s4o.print("\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1023
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1024
        /* (A.5) Function Block data structure type name. */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1025
        s4o.indent_left();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1026
        s4o.print("} ");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1027
        symbol->fblock_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1028
        s4o.print(";\n\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1029
      }
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1030
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1031
      if (!print_declaration) {
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1032
        /* (A.6) Function Block inline function declaration for function invocation */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1033
        generate_c_inlinefcall_c *inlinedecl = new generate_c_inlinefcall_c(&s4o, symbol->fblock_name, symbol, FB_FUNCTION_PARAM"->");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1034
        symbol->fblock_body->accept(*inlinedecl);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1035
        delete inlinedecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1036
      }
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1037
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1038
      /* (B) Constructor */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1039
      /* (B.1) Constructor name... */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1040
      s4o.print(s4o.indent_spaces + "void ");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1041
      symbol->fblock_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1042
      s4o.print(FB_INIT_SUFFIX);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1043
      s4o.print("(");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1044
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1045
      /* first and only parameter is a pointer to the data */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1046
      symbol->fblock_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1047
      s4o.print(" *");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1048
      s4o.print(FB_FUNCTION_PARAM);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1049
      s4o.print(", BOOL retain)");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1050
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1051
      if (print_declaration) {
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1052
        s4o.print(";\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1053
      } else {
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1054
        s4o.print(" {\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1055
        s4o.indent_right();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1056
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1057
        /* (B.2) Member initializations... */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1058
        s4o.print(s4o.indent_spaces);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1059
        vardecl = new generate_c_vardecl_c(&s4o,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1060
                                           generate_c_vardecl_c::constructorinit_vf,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1061
                                           generate_c_vardecl_c::input_vt    |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1062
                                           generate_c_vardecl_c::output_vt   |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1063
                                           generate_c_vardecl_c::inoutput_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1064
                                           generate_c_vardecl_c::private_vt  |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1065
                                           generate_c_vardecl_c::located_vt  |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1066
                                           generate_c_vardecl_c::external_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1067
                                           generate_c_vardecl_c::en_vt       |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1068
                                           generate_c_vardecl_c::eno_vt);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1069
        vardecl->print(symbol->var_declarations, NULL, FB_FUNCTION_PARAM"->");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1070
        delete vardecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1071
        s4o.print("\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1072
            
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1073
        /* (B.3) Generate private internal variables for SFC */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1074
        sfcdecl = new generate_c_sfcdecl_c(&s4o, symbol, FB_FUNCTION_PARAM"->");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1075
        sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::sfcinit_sd);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1076
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1077
        s4o.indent_left();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1078
        s4o.print(s4o.indent_spaces + "}\n\n");
920
4369ce5e687f Fix bug (introduced a few commits ago) when generating SFC actions that are mapped onto variables --> Make generate_sfcdecl_c stateless (i.e. does not depend on order by which it is called).
mjsousa
parents: 918
diff changeset
  1079
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1080
        /* (C) Function with FB body */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1081
        /* (C.1) Step definitions */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1082
        sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::stepdef_sd);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1083
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1084
        /* (C.2) Action definitions */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1085
        sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::actiondef_sd);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1086
        delete sfcdecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1087
      }
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1088
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1089
      /* (C.3) Function declaration */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1090
      s4o.print("// Code part\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1091
      /* function interface */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1092
      s4o.print("void ");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1093
      symbol->fblock_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1094
      s4o.print(FB_FUNCTION_SUFFIX);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1095
      s4o.print("(");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1096
      /* first and only parameter is a pointer to the data */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1097
      symbol->fblock_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1098
      s4o.print(" *");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1099
      s4o.print(FB_FUNCTION_PARAM);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1100
      s4o.print(")");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1101
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1102
      if (print_declaration) {
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1103
        s4o.print(";\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1104
      } else {
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1105
        s4o.print(" {\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1106
        s4o.indent_right();
1011
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1107
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1108
        // Only generate the code that controls the execution of the function's body if the
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1109
        // function contains a declaration of both the EN and ENO variables
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1110
        search_var_instance_decl_c search_var(symbol);
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1111
        identifier_c  en_var("EN");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1112
        identifier_c eno_var("ENO");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1113
        if (   (search_var.get_vartype(& en_var) == search_var_instance_decl_c::input_vt)
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1114
            && (search_var.get_vartype(&eno_var) == search_var_instance_decl_c::output_vt)) {
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1115
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1116
          s4o.print(s4o.indent_spaces + "// Control execution\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1117
          s4o.print(s4o.indent_spaces + "if (!");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1118
          s4o.print(GET_VAR);
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1119
          s4o.print("(");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1120
          s4o.print(FB_FUNCTION_PARAM);
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1121
          s4o.print("->EN)) {\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1122
          s4o.indent_right();
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1123
          s4o.print(s4o.indent_spaces);
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1124
          s4o.print(SET_VAR);
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1125
          s4o.print("(");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1126
          s4o.print(FB_FUNCTION_PARAM);
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1127
          s4o.print("->,ENO,,__BOOL_LITERAL(FALSE));\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1128
          s4o.print(s4o.indent_spaces + "return;\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1129
          s4o.indent_left();
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1130
          s4o.print(s4o.indent_spaces + "}\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1131
          s4o.print(s4o.indent_spaces + "else {\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1132
          s4o.indent_right();
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1133
          s4o.print(s4o.indent_spaces);
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1134
          s4o.print(SET_VAR);
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1135
          s4o.print("(");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1136
          s4o.print(FB_FUNCTION_PARAM);
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1137
          s4o.print("->,ENO,,__BOOL_LITERAL(TRUE));\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1138
          s4o.indent_left();
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1139
          s4o.print(s4o.indent_spaces + "}\n");
76175defb87b Add option to not add the EN and ENO parameters to every function and FB (generated C code becomes smaller, and uses less memory for function invocations)
mjsousa
parents: 965
diff changeset
  1140
        }
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1141
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1142
        /* (C.4) Initialize TEMP variables */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1143
        /* function body */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1144
        s4o.print(s4o.indent_spaces + "// Initialise TEMP variables\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1145
        vardecl = new generate_c_vardecl_c(&s4o,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1146
                                           generate_c_vardecl_c::init_vf,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1147
                                           generate_c_vardecl_c::temp_vt);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1148
        vardecl->print(symbol->var_declarations, NULL,  FB_FUNCTION_PARAM"->");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1149
        delete vardecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1150
        s4o.print("\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1151
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1152
        /* (C.5) Function code */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1153
        generate_c_SFC_IL_ST_c generate_c_code(&s4o, symbol->fblock_name, symbol, FB_FUNCTION_PARAM"->");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1154
        symbol->fblock_body->accept(generate_c_code);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1155
        print_end_of_block_label(s4o);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1156
        s4o.print(s4o.indent_spaces + "return;\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1157
        s4o.indent_left();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1158
        s4o.print(s4o.indent_spaces + "} // ");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1159
        symbol->fblock_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1160
        s4o.print(FB_FUNCTION_SUFFIX);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1161
        s4o.print(s4o.indent_spaces + "() \n\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1162
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1163
        /* (C.6) Step undefinitions */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1164
        sfcdecl = new generate_c_sfcdecl_c(&s4o, symbol, FB_FUNCTION_PARAM"->");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1165
        sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::stepundef_sd);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1166
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1167
        /* (C.7) Action undefinitions */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1168
        sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::actionundef_sd);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1169
        delete sfcdecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1170
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1171
        s4o.indent_left();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1172
        s4o.print("\n\n\n\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1173
      }
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1174
      return;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1175
    }
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1176
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1177
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1178
    /************/
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1179
    /* Programs */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1180
    /************/
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1181
  public:
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1182
    /* NOTE: The following function will be called twice:
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1183
     *         1st time:  s4o will reference the .h file, and print_declaration=true
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1184
     *                     Here, we generate the function prototypes...
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1185
     *         2nd time:  s4o will reference the .c file, and print_declaration=false
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1186
     *                     Here we generate the source code!
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1187
     */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1188
    /*  PROGRAM program_type_name program_var_declarations_list function_block_body END_PROGRAM */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1189
    //SYM_REF4(program_declaration_c, program_type_name, var_declarations, function_block_body, unused)
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1190
    static void handle_program(program_declaration_c *symbol, stage4out_c &s4o, bool print_declaration) {
945
477393b00f95 Add support for relaxed datatype model for array datatypes.
mjsousa
parents: 933
diff changeset
  1191
      generate_c_vardecl_c          *vardecl;
477393b00f95 Add support for relaxed datatype model for array datatypes.
mjsousa
parents: 933
diff changeset
  1192
      generate_c_sfcdecl_c          *sfcdecl;
477393b00f95 Add support for relaxed datatype model for array datatypes.
mjsousa
parents: 933
diff changeset
  1193
      generate_c_base_and_typeid_c   print_base(&s4o);
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1194
      TRACE("program_declaration_c");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1195
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1196
      /* (A) Program data structure declaration... */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1197
      if (print_declaration) {      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1198
        /* (A.1) Data structure declaration */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1199
        s4o.print("// PROGRAM ");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1200
        symbol->program_type_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1201
        s4o.print("\n// Data part\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1202
        s4o.print("typedef struct {\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1203
        s4o.indent_right();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1204
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1205
        /* (A.2) Public variables: i.e. the program parameters... */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1206
        s4o.print(s4o.indent_spaces + "// PROGRAM Interface - IN, OUT, IN_OUT variables\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1207
        vardecl = new generate_c_vardecl_c(&s4o,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1208
                                           generate_c_vardecl_c::local_vf,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1209
                                           generate_c_vardecl_c::input_vt  |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1210
                                           generate_c_vardecl_c::output_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1211
                                           generate_c_vardecl_c::inoutput_vt);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1212
        vardecl->print(symbol->var_declarations);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1213
        delete vardecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1214
        s4o.print("\n");
146
eef5e62048c7 Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents: 145
diff changeset
  1215
  
907
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1216
        /* (A.3) Private internal variables */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1217
        s4o.print(s4o.indent_spaces + "// PROGRAM private variables - TEMP, private and located variables\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1218
        vardecl = new generate_c_vardecl_c(&s4o,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1219
                      generate_c_vardecl_c::local_vf,
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1220
                      generate_c_vardecl_c::temp_vt    |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1221
                      generate_c_vardecl_c::private_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1222
                      generate_c_vardecl_c::located_vt |
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1223
                      generate_c_vardecl_c::external_vt);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1224
        vardecl->print(symbol->var_declarations);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1225
        delete vardecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1226
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1227
        /* (A.4) Generate private internal variables for SFC */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1228
        sfcdecl = new generate_c_sfcdecl_c(&s4o, symbol);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1229
        sfcdecl->generate(symbol->function_block_body, generate_c_sfcdecl_c::sfcdecl_sd);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1230
        delete sfcdecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1231
        s4o.print("\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1232
        
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1233
        /* (A.5) Program data structure type name. */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1234
        s4o.indent_left();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1235
        s4o.print("} ");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1236
        symbol->program_type_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1237
        s4o.print(";\n\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1238
      }
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1239
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1240
      if (!print_declaration) {      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1241
        /* (A.6) Function Block inline function declaration for function invocation */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1242
        generate_c_inlinefcall_c *inlinedecl = new generate_c_inlinefcall_c(&s4o, symbol->program_type_name, symbol, FB_FUNCTION_PARAM"->");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1243
        symbol->function_block_body->accept(*inlinedecl);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1244
        delete inlinedecl;
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1245
      }
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1246
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1247
      /* (B) Constructor */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1248
      /* (B.1) Constructor name... */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1249
      s4o.print(s4o.indent_spaces + "void ");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1250
      symbol->program_type_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1251
      s4o.print(FB_INIT_SUFFIX);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1252
      s4o.print("(");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1253
    
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1254
      /* first and only parameter is a pointer to the data */
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1255
      symbol->program_type_name->accept(print_base);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1256
      s4o.print(" *");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1257
      s4o.print(FB_FUNCTION_PARAM);
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1258
      s4o.print(", BOOL retain)");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1259
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1260
      if (print_declaration) {
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1261
        s4o.print(";\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1262
      } else {
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1263
        s4o.print(" {\n");
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1264
        s4o.indent_right();
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: 906
diff changeset
  1265
      
c3edb882a4b2 code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
mjsousa
parents: