lbessard@70: /*
msousa@267: * matiec - a compiler for the programming languages defined in IEC 61131-3
lbessard@70: *
msousa@267: * Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt)
Edouard@279: * Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant
lbessard@70: *
msousa@267: * This program is free software: you can redistribute it and/or modify
msousa@267: * it under the terms of the GNU General Public License as published by
msousa@267: * the Free Software Foundation, either version 3 of the License, or
msousa@267: * (at your option) any later version.
msousa@267: *
msousa@267: * This program is distributed in the hope that it will be useful,
msousa@267: * but WITHOUT ANY WARRANTY; without even the implied warranty of
msousa@267: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
msousa@267: * GNU General Public License for more details.
msousa@267: *
msousa@267: * You should have received a copy of the GNU General Public License
msousa@267: * along with this program. If not, see <http://www.gnu.org/licenses/>.
msousa@267: *
lbessard@70: *
lbessard@70: * This code is made available on the understanding that it will not be
lbessard@70: * used in safety-critical situations without a full and competent review.
lbessard@70: */
lbessard@70:
lbessard@70: #include <string>
lbessard@70: #include <iostream>
lbessard@70: #include <sstream>
lbessard@70: #include <typeinfo>
lbessard@111: #include <list>
laurent@377: #include <map>
laurent@377: #include <sstream>
etisserant@139: #include <strings.h>
lbessard@70:
msousa@592:
lbessard@70: #include "../../util/symtable.hh"
lbessard@70: #include "../../util/dsymtable.hh"
lbessard@70: #include "../../absyntax/visitor.hh"
mario@181: #include "../../absyntax_utils/absyntax_utils.hh"
msousa@596: #include "../../main.hh" // required for ERROR() and ERROR_MSG() macros.
lbessard@70:
lbessard@70: #include "../stage4.hh"
lbessard@70:
lbessard@70: //#define DEBUG
lbessard@70: #ifdef DEBUG
lbessard@70: #define TRACE(classname) printf("\n____%s____\n",classname);
lbessard@70: #else
lbessard@70: #define TRACE(classname)
lbessard@70: #endif
lbessard@70:
lbessard@70:
msousa@522:
msousa@522: #define STAGE4_ERROR(symbol1, symbol2, ...) {stage4err("while generating C code", symbol1, symbol2, __VA_ARGS__); exit(EXIT_FAILURE);}
msousa@522:
msousa@522:
msousa@592: /* 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! */
msousa@612: #define VALID_CVALUE(dtype, symbol) (symbol_c::cs_const_value == (symbol)->const_value._##dtype.status)
msousa@612: #define GET_CVALUE(dtype, symbol) ((symbol)->const_value._##dtype.value)
msousa@592:
msousa@592:
msousa@522:
lbessard@70: /***********************************************************************/
lbessard@70:
lbessard@70: /* Unlike Programs and Configurations which get mapped onto C++ classes,
lbessard@70: * Function Blocks are mapped onto a C structure containing the variables, and
lbessard@70: * a C function containing the code in the FB's body. This is to allow direct allocation
lbessard@70: * of a FB variable (which is really an instance of the C data structure) to
lbessard@70: * a member of a union variable (note that classes with constructors cannot
lbessard@70: * be mebers of a union), which is done in IL when loading a FB onto IL's
lbessard@70: * default variable.
lbessard@70: *
lbessard@70: * So as not to clash the names of the C data structure and the C function,
lbessard@70: * the C structure is given a name identical to that of the FB name, whereas
lbessard@70: * the name of the function is the FB name with a constant string appended.
lbessard@70: * The value of that constant string which is appended is defined in the following
lbessard@70: * constant.
lbessard@70: * In order not to clash with any variable in the IL and ST source codem the
lbessard@70: * following constant should contain a double underscore, which is not allowed
lbessard@70: * in IL and ST.
lbessard@70: *
lbessard@70: * e.g.: FUNTION_BLOCK TEST
lbessard@70: * is mapped onto a TEST data structure, and a TEST_body__ function.
lbessard@70: */
lbessard@70:
lbessard@70: #define FB_FUNCTION_SUFFIX "_body__"
lbessard@70:
lbessard@70: /* Idem as body, but for initializer FB function */
lbessard@70: #define FB_INIT_SUFFIX "_init__"
lbessard@70:
lbessard@70: /* Idem as body, but for run CONFIG and RESOURCE function */
lbessard@70: #define FB_RUN_SUFFIX "_run__"
lbessard@70:
lbessard@70: /* The FB body function is passed as the only parameter a pointer to the FB data
lbessard@70: * structure instance. The name of this parameter is given by the following constant.
lbessard@70: * In order not to clash with any variable in the IL and ST source codem the
lbessard@70: * following constant should contain a double underscore, which is not allowed
lbessard@70: * in IL and ST.
lbessard@70: *
lbessard@70: * e.g.: the body of FUNTION_BLOCK TEST
lbessard@70: * is mapped onto the C function
lbessard@70: * TEST_body__(TEST *data__)
lbessard@70: */
lbessard@70:
lbessard@70: #define FB_FUNCTION_PARAM "data__"
lbessard@70:
lbessard@70:
lbessard@70: #define SFC_STEP_ACTION_PREFIX "__SFC_"
lbessard@70:
laurent@217:
laurent@217: /* Variable declaration symbol for accessor macros */
laurent@217: #define DECLARE_VAR "__DECLARE_VAR"
laurent@217: #define DECLARE_GLOBAL "__DECLARE_GLOBAL"
laurent@217: #define DECLARE_GLOBAL_LOCATION "__DECLARE_GLOBAL_LOCATION"
laurent@217: #define DECLARE_GLOBAL_LOCATED "__DECLARE_GLOBAL_LOCATED"
laurent@217: #define DECLARE_EXTERNAL "__DECLARE_EXTERNAL"
laurent@217: #define DECLARE_LOCATED "__DECLARE_LOCATED"
laurent@396: #define DECLARE_GLOBAL_PROTOTYPE "__DECLARE_GLOBAL_PROTOTYPE"
laurent@217:
laurent@217: /* Variable declaration symbol for accessor macros */
laurent@217: #define INIT_VAR "__INIT_VAR"
laurent@217: #define INIT_GLOBAL "__INIT_GLOBAL"
laurent@217: #define INIT_GLOBAL_LOCATED "__INIT_GLOBAL_LOCATED"
laurent@217: #define INIT_EXTERNAL "__INIT_EXTERNAL"
laurent@217: #define INIT_LOCATED "__INIT_LOCATED"
laurent@217: #define INIT_LOCATED_VALUE "__INIT_LOCATED_VALUE"
laurent@217:
laurent@217: /* Variable getter symbol for accessor macros */
laurent@217: #define GET_VAR "__GET_VAR"
laurent@217: #define GET_EXTERNAL "__GET_EXTERNAL"
laurent@217: #define GET_LOCATED "__GET_LOCATED"
laurent@217: #define GET_VAR_BY_REF "__GET_VAR_BY_REF"
laurent@217: #define GET_EXTERNAL_BY_REF "__GET_EXTERNAL_BY_REF"
laurent@217: #define GET_LOCATED_BY_REF "__GET_LOCATED_BY_REF"
laurent@217:
laurent@217: /* Variable setter symbol for accessor macros */
laurent@217: #define SET_VAR "__SET_VAR"
laurent@217: #define SET_EXTERNAL "__SET_EXTERNAL"
laurent@217: #define SET_LOCATED "__SET_LOCATED"
laurent@217:
laurent@396: /* Variable initial value symbol for accessor macros */
laurent@396: #define INITIAL_VALUE "__INITIAL_VALUE"
lbessard@70:
lbessard@70: /* Generate a name for a temporary variable.
lbessard@70: * Each new name generated is appended a different number,
lbessard@70: * starting off from 0.
lbessard@70: * After calling reset(), the names will start off again from 0.
lbessard@70: */
lbessard@70: #define VAR_LEADER "__"
lbessard@70: #define TEMP_VAR VAR_LEADER "TMP_"
lbessard@70: #define SOURCE_VAR VAR_LEADER "SRC_"
lbessard@70:
msousa@283: /* please see the comment before the RET_operator_c visitor for details... */
msousa@283: #define END_LABEL VAR_LEADER "end"
msousa@283:
msousa@283:
laurent@217: /***********************************************************************/
laurent@217: /***********************************************************************/
laurent@217: /***********************************************************************/
laurent@217: /***********************************************************************/
laurent@217:
laurent@217: #include "generate_c_base.cc"
laurent@217: #include "generate_c_typedecl.cc"
laurent@217: #include "generate_c_sfcdecl.cc"
laurent@217: #include "generate_c_vardecl.cc"
laurent@217: #include "generate_c_configbody.cc"
laurent@217: #include "generate_location_list.cc"
laurent@217: #include "generate_var_list.cc"
laurent@217:
laurent@217: /***********************************************************************/
laurent@217: /***********************************************************************/
laurent@217: /***********************************************************************/
laurent@217: /***********************************************************************/
laurent@217:
msousa@350:
msousa@350: #include "generate_c.hh"
msousa@350:
msousa@350:
msousa@350: /***********************************************************************/
msousa@350: /***********************************************************************/
msousa@350: /***********************************************************************/
msousa@350: /***********************************************************************/
msousa@350:
msousa@350: /* A helper class that prints out the identifiers for function calls to overloaded functions */
msousa@350: /* Given a function declaration of the function being called, it
msousa@350: * will simply print out the returned data type,
msousa@350: * followed by the data types of all input, output, and in_out parameters.
msousa@350: * for e.g.;
msousa@350: * SIN( REAL) : REAL -> prints out -> REAL__REAL
msousa@350: * LEN( STRING) : INT -> prints out -> INT__STRING
msousa@350: * MUL(TIME, INT) : TIME -> prints out -> TIME__TIME__INT
msousa@350: */
msousa@350: class print_function_parameter_data_types_c: public generate_c_base_c {
msousa@350: private:
msousa@350: symbol_c *current_type;
msousa@350: bool_type_name_c tmp_bool;
msousa@350:
msousa@350: void print_list(symbol_c *var_list, symbol_c *data_type) {
msousa@350: if (data_type != NULL) {
msousa@350: /* print out the data type once for every variable! */
msousa@350: list_c *list = dynamic_cast<list_c *>(var_list);
msousa@350: if (list == NULL) ERROR;
msousa@350: for (int i=0; i < list->n; i++) {
msousa@350: s4o.print("__");
msousa@350: data_type->accept(*this);
msousa@350: }
msousa@350: }
msousa@350: }
msousa@350:
msousa@350: public:
msousa@350: print_function_parameter_data_types_c(stage4out_c *s4o_ptr):
msousa@350: generate_c_base_c(s4o_ptr)
msousa@350: {current_type = NULL;}
msousa@350:
msousa@350: /**************************************/
msousa@350: /* B.1.5 - Program organization units */
msousa@350: /**************************************/
msousa@350: /***********************/
msousa@350: /* B 1.5.1 - Functions */
msousa@350: /***********************/
msousa@350: /* FUNCTION derived_function_name ':' elementary_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
msousa@350: /* | FUNCTION derived_function_name ':' derived_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
msousa@350: void *visit(function_declaration_c *symbol) {
msousa@350: symbol->type_name->accept(*this); /* return type */
msousa@350: symbol->var_declarations_list->accept(*this);
msousa@350: return NULL;
msousa@350: }
msousa@350:
msousa@350: /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
msousa@350: //void *visit(var_declarations_list_c *symbol) {// iterate through list}
msousa@350:
msousa@350: /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
msousa@350: //void *visit(input_declarations_c *symbol) {// iterate through list}
msousa@350:
msousa@350: /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
msousa@350: //void *visit(input_declaration_list_c *symbol) {// iterate through list}
msousa@350:
msousa@350: void *visit(edge_declaration_c *symbol) {
msousa@350: current_type = &tmp_bool;
msousa@350: symbol->var1_list->accept(*this);
msousa@350: current_type = NULL;
msousa@350: return NULL;
msousa@350: }
msousa@350:
msousa@350: /* We do NOT print out EN and ENO parameters! */
msousa@350: void *visit(en_param_declaration_c *symbol) {return NULL;}
msousa@350:
msousa@350: /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
msousa@350: //void *visit(output_declarations_c *symbol) {// iterate through list}
msousa@350:
msousa@350: /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
msousa@350: //void *visit(var_init_decl_list_c *symbol) {// iterate through list}
msousa@350:
msousa@350: void *visit(simple_spec_init_c *symbol) {
msousa@350: /* return the data type */
msousa@350: return symbol->simple_specification;
msousa@350: }
msousa@350:
msousa@350: /* currently we do not support data types defined in the declaration itself */
msousa@350: /* For now, sugest the user define a TYPE .. END_TYPE */
msousa@350: /* NOTE: although this class may also sometimes point to a previously_declared_subrange_type_name
msousa@350: * we don't need this for now, so it is easier to just skip it allocation
msousa@350: */
msousa@350: void *visit(subrange_spec_init_c *symbol) {return NULL;}
msousa@350:
msousa@350: /* currently we do not support data types defined in the declaration itself */
msousa@350: /* For now, sugest the user define a TYPE .. END_TYPE */
msousa@350: /* NOTE: although this class may also sometimes point to a previously_declared_enumerated_type_name
msousa@350: * we don't need this for now, so it is easier to just skip it allocation
msousa@350: */
msousa@350: void *visit(enumerated_spec_init_c *symbol) {return NULL;}
msousa@350:
msousa@350: /* currently we do not support data types defined in the declaration itself */
msousa@350: /* For now, sugest the user define a TYPE .. END_TYPE */
msousa@350: /* NOTE: although this class may also sometimes point to a previously_declared_array_type_name
msousa@350: * we don't need this for now, so it is easier to just skip it allocation
msousa@350: */
msousa@350: void *visit(array_var_init_decl_c *symbol) {return NULL;}
msousa@350:
msousa@350: /* currently we do not support data types defined in the declaration itself */
msousa@350: /* For now, sugest the user define a TYPE .. END_TYPE */
msousa@350: /* NOTE: although this class may also sometimes point to a previously_declared_structured_type_name
msousa@350: * we don't need this for now, so it is easier to just skip it allocation
msousa@350: */
msousa@350: void *visit(structured_var_init_decl_c *symbol) {return NULL;}
msousa@350:
msousa@350: /* We do NOT print out EN and ENO parameters! */
msousa@350: void *visit(eno_param_declaration_c *symbol) {return NULL;}
msousa@350:
msousa@350: /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
msousa@350: //void *visit(input_output_declarations_c *symbol) {// iterate through list}
msousa@350:
msousa@350: /* already handled by iterator base class (note that generate_c_base_c inherits from iterator_c) */
msousa@350: //void *visit(var_declaration_list_c *symbol) {iterate through list}
msousa@350:
msousa@350: void *visit(fb_name_decl_c *symbol) {
msousa@350: print_list(symbol->fb_name_list, symbol->function_block_type_name);
msousa@350: return NULL;
msousa@350: }
msousa@350:
msousa@350: void *visit(var1_init_decl_c *symbol) {
msousa@350: print_list(symbol->var1_list, (symbol_c *)symbol->spec_init->accept(*this));
msousa@350: return NULL;
msousa@350: }
msousa@350:
msousa@350: /* currently we do not support data types defined in the declaration itself */
msousa@350: /* For now, sugest the user define a TYPE .. END_TYPE */
msousa@350: void *visit(array_var_declaration_c *symbol) {return NULL;}
msousa@350:
msousa@350: void *visit(structured_var_declaration_c *symbol) {
msousa@350: current_type = symbol->structure_type_name;
msousa@350: symbol->var1_list->accept(*this);
msousa@350: current_type = NULL;
msousa@350: return NULL;
msousa@350: }
msousa@350:
msousa@350: /* currently we do not support data types defined in the declaration itself */
msousa@350: /* For now, sugest the user define a TYPE .. END_TYPE */
msousa@350: /* Note that this class is used for fixed length strings...
msousa@350: * STRING [ 42 ]
msousa@350: */
msousa@350: void *visit(single_byte_string_var_declaration_c *symbol) {return NULL;}
msousa@350:
msousa@350: /* currently we do not support data types defined in the declaration itself */
msousa@350: /* For now, sugest the user define a TYPE .. END_TYPE */
msousa@350: /* Note that this class is used for fixed length strings...
msousa@350: * WSTRING [ 42 ]
msousa@350: */
msousa@350: void *visit(double_byte_string_var_declaration_c *symbol) {return NULL;}
msousa@350: };
msousa@350:
msousa@350:
msousa@350: /***********************************************************************/
msousa@350: /***********************************************************************/
msousa@350: /***********************************************************************/
msousa@350: /***********************************************************************/
msousa@350:
msousa@350:
lbessard@70: #include "generate_c_st.cc"
lbessard@70: #include "generate_c_il.cc"
laurent@217: #include "generate_c_inlinefcall.cc"
lbessard@70:
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70:
lbessard@70: #define MILLISECOND 1000000
lbessard@70: #define SECOND 1000 * MILLISECOND
lbessard@70:
msousa@594: unsigned long long calculate_time(symbol_c *symbol) {
msousa@594: if (NULL == symbol) return 0;
lbessard@70:
msousa@594: interval_c *interval = dynamic_cast<interval_c *>(symbol);
msousa@594: duration_c *duration = dynamic_cast<duration_c *>(symbol);
lbessard@70:
Laurent@632: if ((NULL == interval) && (NULL == duration))
Laurent@631: {STAGE4_ERROR(symbol, symbol, "This type of interval value is not currently supported"); ERROR;}
msousa@594:
msousa@594: if (NULL != duration) {
lbessard@70: /* SYM_REF2(duration_c, neg, interval) */
msousa@594: if (duration->neg != NULL)
Laurent@631: {STAGE4_ERROR(duration, duration, "Negative TIME literals for interval are not currently supported"); ERROR;}
msousa@594: return calculate_time(duration->interval);
msousa@594: }
msousa@594:
msousa@594: if (NULL != interval) {
msousa@547: /* SYM_REF5(interval_c, days, hours, minutes, seconds, milliseconds) */
msousa@594: unsigned long long int time_ull = 0;
msousa@594: long double time_ld = 0;
msousa@594: /*
msousa@594: const unsigned long long int MILLISECOND = 1000000;
msousa@594: const unsigned long long int SECOND = 1000 * MILLISECOND
msousa@594: */
msousa@594:
msousa@594: if (NULL != interval->milliseconds) {
msousa@594: if (VALID_CVALUE( int64, interval->milliseconds) && GET_CVALUE( int64, interval->milliseconds) < 0) ERROR; // interval elements should always be positive!
msousa@594: if (VALID_CVALUE( int64, interval->milliseconds)) time_ull += GET_CVALUE( int64, interval->milliseconds) * MILLISECOND;
msousa@594: else if (VALID_CVALUE(uint64, interval->milliseconds)) time_ull += GET_CVALUE(uint64, interval->milliseconds) * MILLISECOND;
msousa@594: else if (VALID_CVALUE(real64, interval->milliseconds)) time_ld += GET_CVALUE(real64, interval->milliseconds) * MILLISECOND;
msousa@594: else ERROR; // if (NULL != interval->milliseconds) is true, then it must have a valid constant value!
msousa@594: }
msousa@547:
msousa@594: if (NULL != interval->seconds ) {
msousa@594: if (VALID_CVALUE( int64, interval->seconds ) && GET_CVALUE( int64, interval->seconds ) < 0) ERROR; // interval elements should always be positive!
msousa@594: if (VALID_CVALUE( int64, interval->seconds )) time_ull += GET_CVALUE( int64, interval->seconds ) * SECOND;
msousa@594: else if (VALID_CVALUE(uint64, interval->seconds )) time_ull += GET_CVALUE(uint64, interval->seconds ) * SECOND;
msousa@594: else if (VALID_CVALUE(real64, interval->seconds )) time_ld += GET_CVALUE(real64, interval->seconds ) * SECOND;
msousa@594: else ERROR; // if (NULL != interval->seconds) is true, then it must have a valid constant value!
msousa@594: }
msousa@594:
msousa@594: if (NULL != interval->minutes ) {
msousa@594: if (VALID_CVALUE( int64, interval->minutes ) && GET_CVALUE( int64, interval->minutes ) < 0) ERROR; // interval elements should always be positive!
msousa@594: if (VALID_CVALUE( int64, interval->minutes )) time_ull += GET_CVALUE( int64, interval->minutes ) * SECOND * 60;
msousa@594: else if (VALID_CVALUE(uint64, interval->minutes )) time_ull += GET_CVALUE(uint64, interval->minutes ) * SECOND * 60;
msousa@594: else if (VALID_CVALUE(real64, interval->minutes )) time_ld += GET_CVALUE(real64, interval->minutes ) * SECOND * 60;
msousa@594: else ERROR; // if (NULL != interval->minutes) is true, then it must have a valid constant value!
msousa@594: }
msousa@594:
msousa@594: if (NULL != interval->hours ) {
msousa@594: if (VALID_CVALUE( int64, interval->hours ) && GET_CVALUE( int64, interval->hours ) < 0) ERROR; // interval elements should always be positive!
msousa@594: if (VALID_CVALUE( int64, interval->hours )) time_ull += GET_CVALUE( int64, interval->hours ) * SECOND * 60 * 60;
msousa@594: else if (VALID_CVALUE(uint64, interval->hours )) time_ull += GET_CVALUE(uint64, interval->hours ) * SECOND * 60 * 60;
msousa@594: else if (VALID_CVALUE(real64, interval->hours )) time_ld += GET_CVALUE(real64, interval->hours ) * SECOND * 60 * 60;
msousa@594: else ERROR; // if (NULL != interval->hours) is true, then it must have a valid constant value!
msousa@594: }
msousa@594:
msousa@594: if (NULL != interval->days ) {
msousa@594: if (VALID_CVALUE( int64, interval->days ) && GET_CVALUE( int64, interval->days ) < 0) ERROR; // interval elements should always be positive!
msousa@594: if (VALID_CVALUE( int64, interval->days )) time_ull += GET_CVALUE( int64, interval->days ) * SECOND * 60 * 60 * 24;
msousa@594: else if (VALID_CVALUE(uint64, interval->days )) time_ull += GET_CVALUE(uint64, interval->days ) * SECOND * 60 * 60 * 24;
msousa@594: else if (VALID_CVALUE(real64, interval->days )) time_ld += GET_CVALUE(real64, interval->days ) * SECOND * 60 * 60 * 24;
msousa@594: else ERROR; // if (NULL != interval->days) is true, then it must have a valid constant value!
msousa@594: }
msousa@594:
msousa@594: time_ull += time_ld;
msousa@594: return time_ull;
msousa@594: };
msousa@594: ERROR; // should never reach this point!
msousa@594: return 0; // humour the compiler!
conti@661: }
lbessard@70:
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70:
lbessard@70: class calculate_common_ticktime_c: public iterator_visitor_c {
lbessard@70: private:
laurent@210: unsigned long long common_ticktime;
laurent@210: unsigned long long least_common_ticktime;
lbessard@70:
lbessard@70: public:
laurent@210: calculate_common_ticktime_c(void){
laurent@210: common_ticktime = 0;
laurent@210: least_common_ticktime = 0;
laurent@210: }
laurent@210:
laurent@210: unsigned long long euclide(unsigned long long a, unsigned long long b) {
laurent@210: unsigned long long c = a % b;
lbessard@70: if (c == 0)
lbessard@70: return b;
lbessard@70: else
lbessard@70: return euclide(b, c);
lbessard@70: }
lbessard@70:
laurent@210: void update_ticktime(unsigned long long time) {
lbessard@70: if (common_ticktime == 0)
lbessard@70: common_ticktime = time;
lbessard@70: else if (time > common_ticktime)
lbessard@70: common_ticktime = euclide(time, common_ticktime);
lbessard@70: else
lbessard@70: common_ticktime = euclide(common_ticktime, time);
laurent@210: if (least_common_ticktime == 0)
laurent@210: least_common_ticktime = time;
laurent@210: else
laurent@210: least_common_ticktime = (least_common_ticktime * time) / common_ticktime;
laurent@210: }
laurent@210:
laurent@210: unsigned long long get_common_ticktime(void) {
lbessard@70: return common_ticktime;
lbessard@70: }
lbessard@70:
laurent@210: unsigned long get_greatest_tick_count(void) {
laurent@210: unsigned long long least_common_tick = least_common_ticktime / common_ticktime;
laurent@210: if (least_common_tick >> 32)
laurent@210: ERROR;
laurent@237: return (unsigned long)(~(((unsigned long)-1) % (unsigned long)least_common_tick) + 1);
laurent@210: }
laurent@210:
lbessard@70: /* TASK task_name task_initialization */
lbessard@70: //SYM_REF2(task_configuration_c, task_name, task_initialization)
lbessard@70: void *visit(task_initialization_c *symbol) {
msousa@594: unsigned long long time = calculate_time(symbol->interval_data_source);
msousa@594: if (time < 0) ERROR;
msousa@594: else update_ticktime(time);
lbessard@70: return NULL;
lbessard@70: }
lbessard@70: };
lbessard@70:
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70:
laurent@217: /* A helper class that knows how to generate code for the SFC, IL and ST languages... */
lbessard@70: class generate_c_SFC_IL_ST_c: public null_visitor_c {
lbessard@70: private:
lbessard@70: stage4out_c *s4o_ptr;
lbessard@70: symbol_c *scope;
laurent@217: symbol_c *fbname;
lbessard@70: const char *variable_prefix;
lbessard@70:
lbessard@70: public:
laurent@217: generate_c_SFC_IL_ST_c(stage4out_c *s4o_ptr, symbol_c *name, symbol_c *scope, const char *variable_prefix = NULL);
msousa@267:
msousa@267: /********************/
msousa@267: /* 2.1.6 - Pragmas */
msousa@267: /********************/
msousa@267: void *visit(enable_code_generation_pragma_c * symbol) {s4o_ptr->enable_output(); return NULL;}
msousa@267: void *visit(disable_code_generation_pragma_c * symbol) {s4o_ptr->disable_output(); return NULL;}
msousa@267:
lbessard@70: /*********************************************/
lbessard@70: /* B.1.6 Sequential function chart elements */
lbessard@70: /*********************************************/
lbessard@70: /*| sequential_function_chart sfc_network*/
lbessard@70: void *visit(sequential_function_chart_c * symbol);
lbessard@70:
lbessard@70: /****************************************/
lbessard@70: /* B.2 - Language IL (Instruction List) */
lbessard@70: /****************************************/
lbessard@70:
lbessard@70: /***********************************/
lbessard@70: /* B 2.1 Instructions and Operands */
lbessard@70: /***********************************/
lbessard@70: /*| instruction_list il_instruction */
lbessard@70: void *visit(instruction_list_c *symbol);
lbessard@70:
lbessard@70: /* Remainder implemented in generate_c_il_c... */
lbessard@70:
lbessard@70: /***************************************/
lbessard@70: /* B.3 - Language ST (Structured Text) */
lbessard@70: /***************************************/
lbessard@70: /***********************/
lbessard@70: /* B 3.1 - Expressions */
lbessard@70: /***********************/
lbessard@70: /* Implemented in generate_c_st_c */
lbessard@70:
lbessard@70: /********************/
lbessard@70: /* B 3.2 Statements */
lbessard@70: /********************/
lbessard@70: void *visit(statement_list_c *symbol);
lbessard@70:
lbessard@70: /* Remainder implemented in generate_c_st_c... */
lbessard@70: };
lbessard@70:
lbessard@70: #include "generate_c_sfc.cc"
lbessard@70:
laurent@217: 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) {
lbessard@70: if (NULL == scope) ERROR;
lbessard@70: this->s4o_ptr = s4o_ptr;
lbessard@70: this->scope = scope;
laurent@217: this->fbname = name;
lbessard@70: this->variable_prefix = variable_prefix;
lbessard@70: }
lbessard@70:
lbessard@70: void *generate_c_SFC_IL_ST_c::visit(sequential_function_chart_c * symbol) {
laurent@217: generate_c_sfc_c generate_c_sfc(s4o_ptr, fbname, scope, variable_prefix);
lbessard@70: generate_c_sfc.generate(symbol);
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: void *generate_c_SFC_IL_ST_c::visit(instruction_list_c *symbol) {
laurent@217: generate_c_il_c generate_c_il(s4o_ptr, fbname, scope, variable_prefix);
lbessard@70: generate_c_il.generate(symbol);
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: void *generate_c_SFC_IL_ST_c::visit(statement_list_c *symbol) {
laurent@217: generate_c_st_c generate_c_st(s4o_ptr, fbname, scope, variable_prefix);
lbessard@70: generate_c_st.generate(symbol);
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70:
lbessard@70:
lbessard@70:
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70:
lbessard@70:
laurent@377: class generate_c_datatypes_c: public generate_c_typedecl_c {
laurent@377: public:
laurent@377: typedef enum {
laurent@377: none_im,
laurent@377: arrayname_im,
conti@661: arraydeclaration_im
laurent@377: } inlinearray_mode_t;
laurent@377:
laurent@377: private:
laurent@377: stage4out_c *s4o_ptr;
laurent@377: std::map<std::string, int> inline_array_defined;
laurent@377: std::string current_array_name;
laurent@377: inlinearray_mode_t current_mode;
laurent@377:
laurent@377: public:
laurent@377: generate_c_datatypes_c(stage4out_c *s4o_ptr, stage4out_c *s4o_incl_ptr)
laurent@377: : generate_c_typedecl_c(s4o_ptr, s4o_incl_ptr) {
laurent@377: generate_c_datatypes_c::s4o_ptr = s4o_ptr;
laurent@377: current_mode = none_im;
laurent@377: };
laurent@377: virtual ~generate_c_datatypes_c(void) {
laurent@377: while (!inline_array_defined.empty()) {
laurent@377: inline_array_defined.erase(inline_array_defined.begin());
laurent@377: }
laurent@377: }
laurent@377:
laurent@377: /*************************/
laurent@377: /* B.1 - Common elements */
laurent@377: /*************************/
laurent@377: /*******************************************/
laurent@377: /* B 1.1 - Letters, digits and identifiers */
laurent@377: /*******************************************/
laurent@377: void *visit(identifier_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case arrayname_im:
laurent@377: current_array_name += symbol->value;
laurent@377: break;
laurent@377: case arraydeclaration_im:
laurent@377: s4o_incl.print(symbol->value);
laurent@377: break;
laurent@377: default:
laurent@377: return generate_c_base_c::visit(symbol);
laurent@377: break;
laurent@377: }
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /**********************/
laurent@377: /* B.1.3 - Data types */
laurent@377: /**********************/
laurent@377: /***********************************/
laurent@377: /* B 1.3.1 - Elementary Data Types */
laurent@377: /***********************************/
laurent@377:
laurent@377: #define HANDLE_ELEMENTARY_DATA_TYPE(datatype_symbol, datatype_name)\
laurent@377: void *visit(datatype_symbol *symbol) {\
laurent@377: switch (current_mode) {\
laurent@377: case arrayname_im:\
laurent@377: current_array_name += datatype_name;\
laurent@377: break;\
laurent@377: case arraydeclaration_im:\
laurent@377: s4o_incl.print(datatype_name);\
laurent@377: break;\
laurent@377: default:\
laurent@377: return generate_c_base_c::visit(symbol);\
laurent@377: break;\
laurent@377: }\
laurent@377: return NULL;\
laurent@377: }
laurent@377:
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(time_type_name_c, "TIME")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(bool_type_name_c, "BOOL")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(sint_type_name_c, "SINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(int_type_name_c, "INT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(dint_type_name_c, "DINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(lint_type_name_c, "LINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(usint_type_name_c, "USINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(uint_type_name_c, "UINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(udint_type_name_c, "UDINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(ulint_type_name_c, "ULINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(real_type_name_c, "REAL")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(lreal_type_name_c, "LREAL")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(date_type_name_c, "DATE")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(tod_type_name_c, "TOD")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(dt_type_name_c, "DT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(byte_type_name_c, "BYTE")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(word_type_name_c, "WORD")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(dword_type_name_c, "DWORD")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(lword_type_name_c, "LWORD")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(string_type_name_c, "STRING")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(wstring_type_name_c, "WSTRING")
laurent@377:
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safetime_type_name_c, "TIME")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safebool_type_name_c, "BOOL")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safesint_type_name_c, "SINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safeint_type_name_c, "INT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safedint_type_name_c, "DINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safelint_type_name_c, "LINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safeusint_type_name_c, "USINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safeuint_type_name_c, "UINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safeudint_type_name_c, "UDINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safeulint_type_name_c, "ULINT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safereal_type_name_c, "REAL")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safelreal_type_name_c, "LREAL")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safedate_type_name_c, "DATE")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safetod_type_name_c, "TOD")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safedt_type_name_c, "DT")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safebyte_type_name_c, "BYTE")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safeword_type_name_c, "WORD")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safedword_type_name_c, "DWORD")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safelword_type_name_c, "LWORD")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safestring_type_name_c, "STRING")
laurent@377: HANDLE_ELEMENTARY_DATA_TYPE(safewstring_type_name_c, "WSTRING")
laurent@377:
laurent@377: /******************************************/
laurent@377: /* B 1.4.3 - Declaration & Initialization */
laurent@377: /******************************************/
laurent@377:
laurent@377: void *visit(input_declarations_c *symbol) {
laurent@377: symbol->input_declaration_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: void *visit(edge_declaration_c *symbol) {
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: void *visit(en_param_declaration_c *symbol) {
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: void *visit(eno_param_declaration_c *symbol) {
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: void *visit(var1_init_decl_c *symbol) {
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* var1_list ':' array_spec_init */
laurent@377: // SYM_REF2(array_var_init_decl_c, var1_list, array_spec_init)
laurent@377: void *visit(array_var_init_decl_c *symbol) {
laurent@377: current_mode = arrayname_im;
laurent@377: symbol->array_spec_init->accept(*this);
laurent@377: current_mode = none_im;
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* array_specification [ASSIGN array_initialization] */
laurent@377: /* array_initialization may be NULL ! */
laurent@377: void *visit(array_spec_init_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case arrayname_im:
laurent@377: {
laurent@377: array_specification_c *specification = dynamic_cast<array_specification_c*>(symbol->array_specification);
laurent@377: if (specification != NULL)
laurent@377: symbol->array_specification->accept(*this);
laurent@377: }
laurent@377: break;
laurent@377: default:
laurent@377: return generate_c_typedecl_c::visit(symbol);
laurent@377: break;
laurent@377: }
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* ARRAY '[' array_subrange_list ']' OF non_generic_type_name */
laurent@377: void *visit(array_specification_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case arrayname_im:
laurent@377: {
laurent@377: std::map<std::string,int>::iterator definition;
laurent@377: current_array_name = "__";
laurent@377: symbol->non_generic_type_name->accept(*this);
laurent@377: symbol->array_subrange_list->accept(*this);
laurent@377:
laurent@377: definition = inline_array_defined.find(current_array_name);
laurent@377: if (definition == inline_array_defined.end()) {
laurent@377: current_mode = arraydeclaration_im;
laurent@377:
laurent@377: s4o_incl.print("__DECLARE_ARRAY_TYPE(");
laurent@377: s4o_incl.print(current_array_name);
laurent@377: s4o_incl.print(",");
laurent@377: symbol->non_generic_type_name->accept(*this);
laurent@377: s4o_incl.print(",");
laurent@377: symbol->array_subrange_list->accept(*this);
laurent@377: s4o_incl.print(")\n\n");
laurent@377:
laurent@377: inline_array_defined[current_array_name] = 0;
laurent@377: }
laurent@377: }
laurent@377: break;
laurent@377: default:
laurent@377: return generate_c_typedecl_c::visit(symbol);
laurent@377: break;
laurent@377: }
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* signed_integer DOTDOT signed_integer */
laurent@377: //SYM_REF2(subrange_c, lower_limit, upper_limit)
laurent@377: void *visit(subrange_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case arrayname_im:
laurent@377: current_array_name += "_";
laurent@377: {
laurent@377: std::stringstream ss;
msousa@592: ss << symbol->dimension;
laurent@377: current_array_name += ss.str();
laurent@377: }
laurent@377: break;
laurent@377: case arraydeclaration_im:
laurent@377: s4o_incl.print("[");
msousa@594: s4o_incl.print(symbol->dimension);
laurent@377: s4o_incl.print("]");
laurent@377: default:
laurent@377: generate_c_typedecl_c::visit(symbol);
laurent@377: break;
laurent@377: }
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* var1_list ':' initialized_structure */
laurent@377: // SYM_REF2(structured_var_init_decl_c, var1_list, initialized_structure)
laurent@377: void *visit(structured_var_init_decl_c *symbol) {
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* fb_name_list ':' function_block_type_name ASSIGN structure_initialization */
laurent@377: /* structure_initialization -> may be NULL ! */
laurent@377: void *visit(fb_name_decl_c *symbol) {
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* VAR_OUTPUT [RETAIN | NON_RETAIN] var_init_decl_list END_VAR */
laurent@377: /* option -> may be NULL ! */
laurent@377: void *visit(output_declarations_c *symbol) {
laurent@377: symbol->var_init_decl_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* VAR_IN_OUT var_declaration_list END_VAR */
laurent@377: void *visit(input_output_declarations_c *symbol) {
laurent@377: symbol->var_declaration_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* var1_list ':' array_specification */
laurent@377: //SYM_REF2(array_var_declaration_c, var1_list, array_specification)
laurent@377: void *visit(array_var_declaration_c *symbol) {
laurent@377: array_specification_c *specification = dynamic_cast<array_specification_c*>(symbol->array_specification);
laurent@377: if (specification != NULL) {
laurent@377: current_mode = arrayname_im;
laurent@377: symbol->array_specification->accept(*this);
laurent@377: current_mode = none_im;
laurent@377: }
laurent@377: return NULL;
laurent@377: }
laurent@377:
msousa@624: /* var1_list ':' structure_type_name */
msousa@624: //SYM_REF2(structured_var_declaration_c, var1_list, structure_type_name)
msousa@624: void *visit(structured_var_declaration_c *symbol) {
msousa@624: return NULL;
msousa@624: }
msousa@624:
laurent@377: /* VAR [CONSTANT] var_init_decl_list END_VAR */
laurent@377: /* option -> may be NULL ! */
laurent@377: /* helper symbol for input_declarations */
laurent@377: void *visit(var_declarations_c *symbol) {
laurent@377: symbol->var_init_decl_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* VAR RETAIN var_init_decl_list END_VAR */
laurent@377: void *visit(retentive_var_declarations_c *symbol) {
laurent@377: symbol->var_init_decl_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* VAR [CONSTANT|RETAIN|NON_RETAIN] located_var_decl_list END_VAR */
laurent@377: /* option -> may be NULL ! */
laurent@377: //SYM_REF2(located_var_declarations_c, option, located_var_decl_list)
laurent@377: void *visit(located_var_declarations_c *symbol) {
laurent@377: symbol->located_var_decl_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* [variable_name] location ':' located_var_spec_init */
laurent@377: /* variable_name -> may be NULL ! */
laurent@377: //SYM_REF4(located_var_decl_c, variable_name, location, located_var_spec_init, unused)
laurent@377: void *visit(located_var_decl_c *symbol) {
laurent@381: array_spec_init_c* array_spec_init = dynamic_cast<array_spec_init_c*>(symbol->located_var_spec_init);
laurent@381: if (array_spec_init != NULL) {
laurent@381: current_mode = arrayname_im;
laurent@381: symbol->located_var_spec_init->accept(*this);
laurent@381: current_mode = none_im;
laurent@381: }
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /*| VAR_EXTERNAL [CONSTANT] external_declaration_list END_VAR */
laurent@377: /* option -> may be NULL ! */
laurent@377: //SYM_REF2(external_var_declarations_c, option, external_declaration_list)
laurent@377: void *visit(external_var_declarations_c *symbol) {
laurent@377: symbol->external_declaration_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* global_var_name ':' (simple_specification|subrange_specification|enumerated_specification|array_specification|prev_declared_structure_type_name|function_block_type_name */
laurent@377: //SYM_REF2(external_declaration_c, global_var_name, specification)
laurent@377: void *visit(external_declaration_c *symbol) {
laurent@377: array_specification_c* array_specification = dynamic_cast<array_specification_c*>(symbol->specification);
laurent@377: if (array_specification != NULL) {
laurent@377: current_mode = arrayname_im;
laurent@377: symbol->specification->accept(*this);
laurent@377: current_mode = none_im;
laurent@377: }
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /*| VAR_GLOBAL [CONSTANT|RETAIN] global_var_decl_list END_VAR */
laurent@377: /* option -> may be NULL ! */
laurent@377: // SYM_REF2(global_var_declarations_c, option, global_var_decl_list)
laurent@377: void *visit(global_var_declarations_c *symbol) {
laurent@377: symbol->global_var_decl_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /*| global_var_spec ':' [located_var_spec_init|function_block_type_name] */
laurent@377: /* type_specification ->may be NULL ! */
laurent@377: // SYM_REF2(global_var_decl_c, global_var_spec, type_specification)
laurent@377: void *visit(global_var_decl_c *symbol) {
laurent@377: array_spec_init_c* array_spec_init = dynamic_cast<array_spec_init_c*>(symbol->type_specification);
laurent@377: if (array_spec_init != NULL) {
laurent@377: current_mode = arrayname_im;
laurent@377: symbol->type_specification->accept(*this);
laurent@377: current_mode = none_im;
laurent@377: }
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: void *visit(function_var_decls_c *symbol) {
laurent@377: symbol->decl_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /*****************************/
laurent@377: /* B 1.5.2 - Function Blocks */
laurent@377: /*****************************/
laurent@377:
laurent@377: /* VAR_TEMP temp_var_decl_list END_VAR */
laurent@377: void *visit(temp_var_decls_c *symbol) {
laurent@377: symbol->var_decl_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: /* VAR NON_RETAIN var_init_decl_list END_VAR */
laurent@377: void *visit(non_retentive_var_decls_c *symbol) {
laurent@377: symbol->var_decl_list->accept(*this);
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: };
laurent@377:
laurent@377:
laurent@377:
laurent@377:
laurent@377: /***********************************************************************/
laurent@377: /***********************************************************************/
laurent@377: /***********************************************************************/
laurent@377: /***********************************************************************/
laurent@377: /***********************************************************************/
laurent@377:
laurent@377:
lbessard@70: class generate_c_pous_c: public generate_c_typedecl_c {
msousa@267: private:
msousa@267: stage4out_c *s4o_ptr;
msousa@267:
lbessard@70: public:
lbessard@121: generate_c_pous_c(stage4out_c *s4o_ptr, stage4out_c *s4o_incl_ptr)
msousa@267: : generate_c_typedecl_c(s4o_ptr, s4o_incl_ptr) {
msousa@267: generate_c_pous_c::s4o_ptr = s4o_ptr;
msousa@267: };
lbessard@70: virtual ~generate_c_pous_c(void) {}
lbessard@70:
msousa@283: private:
msousa@283: void print_end_of_block_label(void) {
msousa@283: /* Print and __end label for return statements!
msousa@283: * If label is not used by at least one goto, compiler will generate a warning.
msousa@283: * To work around this we introduce the useless goto.
msousa@283: */
msousa@283: s4o.print("\n");
msousa@283: s4o.print(s4o.indent_spaces);
msousa@283: s4o.print("/* to humour the compiler, we insert a goto */\n");
msousa@283: s4o.print(s4o.indent_spaces);
msousa@283: s4o.print("goto ");
msousa@283: s4o.print(END_LABEL);
msousa@283: s4o.print(";\n");
msousa@283: s4o.indent_left();
msousa@283:
msousa@283: /* write the label marking the end of the code block */
msousa@283: /* please see the comment before the RET_operator_c visitor for details... */
msousa@283: /* also needed for return_statement_c */
msousa@283: s4o.print("\n");
msousa@283: s4o.print(s4o.indent_spaces);
msousa@283: s4o.print(END_LABEL);
msousa@283: s4o.print(":\n");
msousa@283: s4o.indent_right();
msousa@283: }
msousa@283:
msousa@283:
lbessard@70:
lbessard@70: public:
msousa@267: /********************/
msousa@267: /* 2.1.6 - Pragmas */
msousa@267: /********************/
msousa@267: void *visit(enable_code_generation_pragma_c * symbol) {s4o_ptr->enable_output(); return NULL;}
msousa@267: void *visit(disable_code_generation_pragma_c * symbol) {s4o_ptr->disable_output(); return NULL;}
lbessard@70:
lbessard@70: /*************************/
lbessard@70: /* B.1 - Common elements */
lbessard@70: /*************************/
lbessard@70: /*******************************************/
lbessard@70: /* B 1.1 - Letters, digits and identifiers */
lbessard@70: /*******************************************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /*********************/
lbessard@70: /* B 1.2 - Constants */
lbessard@70: /*********************/
lbessard@70: /* originally empty... */
lbessard@70:
lbessard@70: /******************************/
lbessard@70: /* B 1.2.1 - Numeric Literals */
lbessard@70: /******************************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /*******************************/
lbessard@70: /* B.1.2.2 Character Strings */
lbessard@70: /*******************************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /***************************/
lbessard@70: /* B 1.2.3 - Time Literals */
lbessard@70: /***************************/
lbessard@70: /************************/
lbessard@70: /* B 1.2.3.1 - Duration */
lbessard@70: /************************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /************************************/
lbessard@70: /* B 1.2.3.2 - Time of day and Date */
lbessard@70: /************************************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /**********************/
lbessard@70: /* B.1.3 - Data types */
lbessard@70: /**********************/
lbessard@70: /***********************************/
lbessard@70: /* B 1.3.1 - Elementary Data Types */
lbessard@70: /***********************************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /********************************/
lbessard@70: /* B.1.3.2 - Generic data types */
lbessard@70: /********************************/
lbessard@70: /* originally empty... */
lbessard@70:
lbessard@70: /********************************/
lbessard@70: /* B 1.3.3 - Derived data types */
lbessard@70: /********************************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /*********************/
lbessard@70: /* B 1.4 - Variables */
lbessard@70: /*********************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /********************************************/
lbessard@70: /* B.1.4.1 Directly Represented Variables */
lbessard@70: /********************************************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /*************************************/
lbessard@70: /* B.1.4.2 Multi-element Variables */
lbessard@70: /*************************************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /******************************************/
lbessard@70: /* B 1.4.3 - Declaration & Initialisation */
lbessard@70: /******************************************/
lbessard@70: /* done in base class(es) */
lbessard@70:
lbessard@70: /**************************************/
lbessard@70: /* B.1.5 - Program organization units */
lbessard@70: /**************************************/
lbessard@70: /***********************/
lbessard@70: /* B 1.5.1 - Functions */
lbessard@70: /***********************/
lbessard@70:
lbessard@70: public:
lbessard@70: /* FUNCTION derived_function_name ':' elementary_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
lbessard@70: /* | FUNCTION derived_function_name ':' derived_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
lbessard@70: void *visit(function_declaration_c *symbol) {
lbessard@70: generate_c_vardecl_c *vardecl;
lbessard@70: TRACE("function_declaration_c");
lbessard@70:
lbessard@70: /* (A) Function declaration... */
lbessard@70: /* (A.1) Function return type */
lbessard@70: s4o.print("// FUNCTION\n");
lbessard@70: symbol->type_name->accept(*this); /* return type */
lbessard@70: s4o.print(" ");
lbessard@70: /* (A.2) Function name */
lbessard@70: symbol->derived_function_name->accept(*this);
lbessard@70: s4o.print("(");
lbessard@70:
lbessard@70: /* (A.3) Function parameters */
lbessard@70: s4o.indent_right();
lbessard@70: vardecl = new generate_c_vardecl_c(&s4o,
ccb@202: generate_c_vardecl_c::finterface_vf,
ccb@202: generate_c_vardecl_c::input_vt |
ccb@202: generate_c_vardecl_c::output_vt |
ccb@202: generate_c_vardecl_c::inoutput_vt |
ccb@202: generate_c_vardecl_c::en_vt |
ccb@202: generate_c_vardecl_c::eno_vt);
lbessard@146: vardecl->print(symbol->var_declarations_list);
lbessard@146: delete vardecl;
lbessard@146:
lbessard@146: s4o.indent_left();
lbessard@146:
lbessard@146: s4o.print(")\n" + s4o.indent_spaces + "{\n");
lbessard@146:
lbessard@146: /* (B) Function local variable declaration */
lbessard@146: /* (B.1) Variables declared in ST source code */
lbessard@146: s4o.indent_right();
lbessard@146:
ccb@202: vardecl = new generate_c_vardecl_c(&s4o,
ccb@202: generate_c_vardecl_c::localinit_vf,
ccb@202: generate_c_vardecl_c::output_vt |
lbessard@146: generate_c_vardecl_c::inoutput_vt |
ccb@202: generate_c_vardecl_c::private_vt |
ccb@202: generate_c_vardecl_c::eno_vt);
lbessard@70: vardecl->print(symbol->var_declarations_list);
lbessard@70: delete vardecl;
lbessard@146:
lbessard@146: /* (B.2) Temporary variable for function's return value */
lbessard@70: /* It will have the same name as the function itself! */
lbessard@70: s4o.print(s4o.indent_spaces);
lbessard@70: symbol->type_name->accept(*this); /* return type */
lbessard@70: s4o.print(" ");
lbessard@70: symbol->derived_function_name->accept(*this);
lbessard@70: s4o.print(" = ");
lbessard@70: {
lbessard@70: /* get the default value of this variable's type */
lbessard@70: symbol_c *default_value = (symbol_c *)symbol->type_name->accept(*type_initial_value_c::instance());
lbessard@70: if (default_value == NULL) ERROR;
laurent@318: initialization_analyzer_c initialization_analyzer(default_value);
laurent@318: switch (initialization_analyzer.get_initialization_type()) {
laurent@318: case initialization_analyzer_c::struct_it:
laurent@318: {
laurent@318: generate_c_structure_initialization_c *structure_initialization = new generate_c_structure_initialization_c(&s4o);
laurent@318: structure_initialization->init_structure_default(symbol->type_name);
laurent@318: structure_initialization->init_structure_values(default_value);
laurent@318: delete structure_initialization;
laurent@318: }
laurent@377: break;
laurent@318: case initialization_analyzer_c::array_it:
laurent@318: {
laurent@377: generate_c_array_initialization_c *array_initialization = new generate_c_array_initialization_c(&s4o);
laurent@377: array_initialization->init_array_size(symbol->type_name);
laurent@377: array_initialization->init_array_values(default_value);
laurent@377: delete array_initialization;
laurent@318: }
laurent@377: break;
laurent@318: default:
laurent@318: default_value->accept(*this);
laurent@318: break;
laurent@318: }
lbessard@70: }
lbessard@70: s4o.print(";\n\n");
lbessard@146:
lbessard@146: s4o.print(s4o.indent_spaces + "// Control execution\n");
lbessard@146: s4o.print(s4o.indent_spaces + "if (!EN) {\n");
lbessard@146: s4o.indent_right();
ccb@202: s4o.print(s4o.indent_spaces + "if (__ENO != NULL) {\n");
lbessard@146: s4o.indent_right();
ccb@202: s4o.print(s4o.indent_spaces + "*__ENO = __BOOL_LITERAL(FALSE);\n");
lbessard@146: s4o.indent_left();
lbessard@146: s4o.print(s4o.indent_spaces + "}\n");
lbessard@146: s4o.print(s4o.indent_spaces + "return ");
lbessard@146: symbol->derived_function_name->accept(*this);
lbessard@146: s4o.print(";\n");
lbessard@146: s4o.indent_left();
lbessard@146: s4o.print(s4o.indent_spaces + "}\n");
ccb@202:
lbessard@70: /* (C) Function body */
laurent@217: generate_c_SFC_IL_ST_c generate_c_code(&s4o, symbol->derived_function_name, symbol);
lbessard@70: symbol->function_body->accept(generate_c_code);
lbessard@145:
msousa@283: print_end_of_block_label();
msousa@283:
lbessard@145: vardecl = new generate_c_vardecl_c(&s4o,
lbessard@145: generate_c_vardecl_c::foutputassign_vf,
ccb@202: generate_c_vardecl_c::output_vt |
ccb@202: generate_c_vardecl_c::inoutput_vt |
ccb@202: generate_c_vardecl_c::eno_vt);
lbessard@145: vardecl->print(symbol->var_declarations_list);
lbessard@145: delete vardecl;
lbessard@145:
lbessard@70: s4o.print(s4o.indent_spaces + "return ");
lbessard@70: symbol->derived_function_name->accept(*this);
lbessard@70: s4o.print(";\n");
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print(s4o.indent_spaces + "}\n\n\n");
lbessard@70:
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70:
lbessard@70: /* The remaining var_declarations_list_c, function_var_decls_c
lbessard@70: * and var2_init_decl_list_c are handled in the generate_c_vardecl_c class
lbessard@70: */
lbessard@70:
lbessard@70:
lbessard@70: /*****************************/
lbessard@70: /* B 1.5.2 - Function Blocks */
lbessard@70: /*****************************/
lbessard@70: public:
lbessard@70: /* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
lbessard@70: //SYM_REF4(function_block_declaration_c, fblock_name, var_declarations, fblock_body, unused)
lbessard@70: void *visit(function_block_declaration_c *symbol) {
lbessard@70: generate_c_vardecl_c *vardecl;
lbessard@70: generate_c_sfcdecl_c *sfcdecl;
lbessard@121: generate_c_typedecl_c *typedecl;
laurent@234: generate_c_inlinefcall_c *inlinedecl;
lbessard@70: TRACE("function_block_declaration_c");
lbessard@70:
lbessard@70: /* (A) Function Block data structure declaration... */
lbessard@121: typedecl = new generate_c_typedecl_c(&s4o_incl);
lbessard@70: /* (A.1) Data structure declaration */
lbessard@121: s4o_incl.print("// FUNCTION_BLOCK ");
lbessard@121: symbol->fblock_name->accept(*typedecl);
lbessard@121: s4o_incl.print("\n// Data part\n");
lbessard@121: s4o_incl.print("typedef struct {\n");
lbessard@121: s4o_incl.indent_right();
lbessard@70: /* (A.2) Public variables: i.e. the function parameters... */
lbessard@121: s4o_incl.print(s4o_incl.indent_spaces + "// FB Interface - IN, OUT, IN_OUT variables\n");
lbessard@121: vardecl = new generate_c_vardecl_c(&s4o_incl,
ccb@202: generate_c_vardecl_c::local_vf,
ccb@202: generate_c_vardecl_c::input_vt |
ccb@202: generate_c_vardecl_c::output_vt |
ccb@202: generate_c_vardecl_c::inoutput_vt |
ccb@202: generate_c_vardecl_c::en_vt |
ccb@202: generate_c_vardecl_c::eno_vt);
lbessard@70: vardecl->print(symbol->var_declarations);
lbessard@70: delete vardecl;
lbessard@121: s4o_incl.print("\n");
lbessard@70: /* (A.3) Private internal variables */
lbessard@121: s4o_incl.print(s4o_incl.indent_spaces + "// FB private variables - TEMP, private and located variables\n");
lbessard@121: vardecl = new generate_c_vardecl_c(&s4o_incl,
ccb@202: generate_c_vardecl_c::local_vf,
ccb@202: generate_c_vardecl_c::temp_vt |
ccb@202: generate_c_vardecl_c::private_vt |
ccb@202: generate_c_vardecl_c::located_vt |
ccb@202: generate_c_vardecl_c::external_vt);
lbessard@70: vardecl->print(symbol->var_declarations);
lbessard@70: delete vardecl;
lbessard@146:
lbessard@70: /* (A.4) Generate private internal variables for SFC */
laurent@244: sfcdecl = new generate_c_sfcdecl_c(&s4o_incl, symbol);
laurent@244: sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::sfcdecl_sd);
lbessard@70: delete sfcdecl;
lbessard@121: s4o_incl.print("\n");
laurent@244:
lbessard@70: /* (A.5) Function Block data structure type name. */
lbessard@121: s4o_incl.indent_left();
lbessard@121: s4o_incl.print("} ");
lbessard@121: symbol->fblock_name->accept(*typedecl);
lbessard@121: s4o_incl.print(";\n\n");
lbessard@121: delete typedecl;
lbessard@70:
laurent@217: /* (A.6) Function Block inline function declaration for function invocation */
laurent@234: inlinedecl = new generate_c_inlinefcall_c(&s4o, symbol->fblock_name, symbol, FB_FUNCTION_PARAM"->");
laurent@337: symbol->fblock_body->accept(*inlinedecl);
laurent@234: delete inlinedecl;
laurent@217:
lbessard@70: /* (B) Constructor */
lbessard@70: /* (B.1) Constructor name... */
lbessard@70: s4o.print(s4o.indent_spaces + "void ");
lbessard@70: symbol->fblock_name->accept(*this);
lbessard@70: s4o.print(FB_INIT_SUFFIX);
lbessard@70: s4o.print("(");
lbessard@70:
lbessard@70: /* first and only parameter is a pointer to the data */
lbessard@70: symbol->fblock_name->accept(*this);
lbessard@70: s4o.print(" *");
lbessard@70: s4o.print(FB_FUNCTION_PARAM);
laurent@221: s4o.print(", BOOL retain) {\n");
lbessard@70: s4o.indent_right();
lbessard@70:
lbessard@70: /* (B.2) Member initializations... */
lbessard@70: s4o.print(s4o.indent_spaces);
lbessard@70: vardecl = new generate_c_vardecl_c(&s4o,
ccb@202: generate_c_vardecl_c::constructorinit_vf,
ccb@202: generate_c_vardecl_c::input_vt |
ccb@202: generate_c_vardecl_c::output_vt |
ccb@202: generate_c_vardecl_c::inoutput_vt |
ccb@202: generate_c_vardecl_c::private_vt |
ccb@202: generate_c_vardecl_c::located_vt |
ccb@202: generate_c_vardecl_c::external_vt |
ccb@202: generate_c_vardecl_c::en_vt |
ccb@202: generate_c_vardecl_c::eno_vt);
lbessard@70: vardecl->print(symbol->var_declarations, NULL, FB_FUNCTION_PARAM"->");
lbessard@70: delete vardecl;
lbessard@70: s4o.print("\n");
laurent@244:
laurent@244: sfcdecl = new generate_c_sfcdecl_c(&s4o, symbol, FB_FUNCTION_PARAM"->");
laurent@244:
lbessard@70: /* (B.3) Generate private internal variables for SFC */
laurent@244: sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::sfcinit_sd);
laurent@244:
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print(s4o.indent_spaces + "}\n\n");
lbessard@70:
lbessard@70:
lbessard@70: /* (C) Function with FB body */
lbessard@70: /* (C.1) Step definitions */
laurent@244: sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::stepdef_sd);
lbessard@70:
lbessard@70: /* (C.2) Action definitions */
laurent@244: sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::actiondef_sd);
laurent@244:
lbessard@70: /* (C.3) Function declaration */
lbessard@70: s4o.print("// Code part\n");
lbessard@70: /* function interface */
lbessard@70: s4o.print("void ");
lbessard@70: symbol->fblock_name->accept(*this);
lbessard@70: s4o.print(FB_FUNCTION_SUFFIX);
lbessard@70: s4o.print("(");
lbessard@70: /* first and only parameter is a pointer to the data */
lbessard@70: symbol->fblock_name->accept(*this);
lbessard@70: s4o.print(" *");
lbessard@70: s4o.print(FB_FUNCTION_PARAM);
lbessard@70: s4o.print(") {\n");
lbessard@70: s4o.indent_right();
lbessard@70:
lbessard@146: s4o.print(s4o.indent_spaces + "// Control execution\n");
lbessard@146: s4o.print(s4o.indent_spaces + "if (!");
laurent@217: s4o.print(GET_VAR);
laurent@217: s4o.print("(");
lbessard@146: s4o.print(FB_FUNCTION_PARAM);
laurent@217: s4o.print("->EN)) {\n");
lbessard@146: s4o.indent_right();
lbessard@146: s4o.print(s4o.indent_spaces);
laurent@217: s4o.print(SET_VAR);
laurent@217: s4o.print("(");
lbessard@146: s4o.print(FB_FUNCTION_PARAM);
laurent@392: s4o.print("->,ENO,__BOOL_LITERAL(FALSE));\n");
lbessard@146: s4o.print(s4o.indent_spaces + "return;\n");
lbessard@146: s4o.indent_left();
lbessard@146: s4o.print(s4o.indent_spaces + "}\n");
lbessard@146: s4o.print(s4o.indent_spaces + "else {\n");
lbessard@146: s4o.indent_right();
lbessard@146: s4o.print(s4o.indent_spaces);
laurent@217: s4o.print(SET_VAR);
laurent@217: s4o.print("(");
lbessard@146: s4o.print(FB_FUNCTION_PARAM);
laurent@392: s4o.print("->,ENO,__BOOL_LITERAL(TRUE));\n");
lbessard@146: s4o.indent_left();
lbessard@146: s4o.print(s4o.indent_spaces + "}\n");
lbessard@146:
lbessard@70: /* (C.4) Initialize TEMP variables */
lbessard@70: /* function body */
lbessard@70: s4o.print(s4o.indent_spaces + "// Initialise TEMP variables\n");
lbessard@70: vardecl = new generate_c_vardecl_c(&s4o,
ccb@202: generate_c_vardecl_c::init_vf,
ccb@202: generate_c_vardecl_c::temp_vt);
lbessard@70: vardecl->print(symbol->var_declarations, NULL, FB_FUNCTION_PARAM"->");
lbessard@70: delete vardecl;
lbessard@70: s4o.print("\n");
lbessard@70:
lbessard@70: /* (C.5) Function code */
laurent@217: generate_c_SFC_IL_ST_c generate_c_code(&s4o, symbol->fblock_name, symbol, FB_FUNCTION_PARAM"->");
lbessard@70: symbol->fblock_body->accept(generate_c_code);
msousa@283: print_end_of_block_label();
laurent@330: s4o.print(s4o.indent_spaces + "return;\n");
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print(s4o.indent_spaces + "} // ");
lbessard@70: symbol->fblock_name->accept(*this);
lbessard@70: s4o.print(FB_FUNCTION_SUFFIX);
lbessard@70: s4o.print(s4o.indent_spaces + "() \n\n");
lbessard@70:
lbessard@70: /* (C.6) Step undefinitions */
laurent@244: sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::stepundef_sd);
laurent@244:
lbessard@70: /* (C.7) Action undefinitions */
laurent@244: sfcdecl->generate(symbol->fblock_body, generate_c_sfcdecl_c::actionundef_sd);
laurent@244:
lbessard@70: delete sfcdecl;
lbessard@70:
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print("\n\n\n\n");
lbessard@70:
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70:
lbessard@70: /* The remaining temp_var_decls_c, temp_var_decls_list_c
lbessard@70: * and non_retentive_var_decls_c are handled in the generate_c_vardecl_c class
lbessard@70: */
lbessard@70:
lbessard@70:
lbessard@70: /**********************/
lbessard@70: /* B 1.5.3 - Programs */
lbessard@70: /**********************/
lbessard@70:
lbessard@70:
lbessard@70:
lbessard@70: public:
lbessard@70: /* PROGRAM program_type_name program_var_declarations_list function_block_body END_PROGRAM */
lbessard@70: //SYM_REF4(program_declaration_c, program_type_name, var_declarations, function_block_body, unused)
lbessard@70: void *visit(program_declaration_c *symbol) {
lbessard@70: generate_c_vardecl_c *vardecl;
lbessard@70: generate_c_sfcdecl_c *sfcdecl;
lbessard@121: generate_c_typedecl_c *typedecl;
laurent@234: generate_c_inlinefcall_c *inlinedecl;
lbessard@70: TRACE("program_declaration_c");
lbessard@70:
lbessard@70: /* (A) Program data structure declaration... */
lbessard@121: typedecl = new generate_c_typedecl_c(&s4o_incl);
lbessard@70: /* (A.1) Data structure declaration */
lbessard@121: s4o_incl.print("// PROGRAM ");
lbessard@121: symbol->program_type_name->accept(*typedecl);
lbessard@121: s4o_incl.print("\n// Data part\n");
lbessard@121: s4o_incl.print("typedef struct {\n");
lbessard@121: s4o_incl.indent_right();
lbessard@70:
lbessard@70: /* (A.2) Public variables: i.e. the program parameters... */
lbessard@121: s4o_incl.print(s4o_incl.indent_spaces + "// PROGRAM Interface - IN, OUT, IN_OUT variables\n");
lbessard@121: vardecl = new generate_c_vardecl_c(&s4o_incl,
ccb@202: generate_c_vardecl_c::local_vf,
ccb@202: generate_c_vardecl_c::input_vt |
ccb@202: generate_c_vardecl_c::output_vt |
ccb@202: generate_c_vardecl_c::inoutput_vt);
lbessard@70: vardecl->print(symbol->var_declarations);
lbessard@70: delete vardecl;
lbessard@121: s4o_incl.print("\n");
lbessard@70: /* (A.3) Private internal variables */
lbessard@121: s4o_incl.print(s4o_incl.indent_spaces + "// PROGRAM private variables - TEMP, private and located variables\n");
lbessard@121: vardecl = new generate_c_vardecl_c(&s4o_incl,
lbessard@70: generate_c_vardecl_c::local_vf,
ccb@202: generate_c_vardecl_c::temp_vt |
lbessard@70: generate_c_vardecl_c::private_vt |
lbessard@70: generate_c_vardecl_c::located_vt |
lbessard@70: generate_c_vardecl_c::external_vt);
lbessard@70: vardecl->print(symbol->var_declarations);
lbessard@70: delete vardecl;
laurent@244:
lbessard@70: /* (A.4) Generate private internal variables for SFC */
laurent@244: sfcdecl = new generate_c_sfcdecl_c(&s4o_incl, symbol);
laurent@244: sfcdecl->generate(symbol->function_block_body, generate_c_sfcdecl_c::sfcdecl_sd);
lbessard@70: delete sfcdecl;
laurent@244: s4o_incl.print("\n");
lbessard@70:
lbessard@70: /* (A.5) Program data structure type name. */
lbessard@121: s4o_incl.indent_left();
lbessard@121: s4o_incl.print("} ");
lbessard@121: symbol->program_type_name->accept(*typedecl);
lbessard@121: s4o_incl.print(";\n\n");
lbessard@121: delete typedecl;
lbessard@70:
laurent@217: /* (A.6) Function Block inline function declaration for function invocation */
laurent@234: inlinedecl = new generate_c_inlinefcall_c(&s4o, symbol->program_type_name, symbol, FB_FUNCTION_PARAM"->");
laurent@337: symbol->function_block_body->accept(*inlinedecl);
laurent@234: delete inlinedecl;
laurent@217:
lbessard@70: /* (B) Constructor */
lbessard@70: /* (B.1) Constructor name... */
lbessard@70: s4o.print(s4o.indent_spaces + "void ");
lbessard@70: symbol->program_type_name->accept(*this);
lbessard@70: s4o.print(FB_INIT_SUFFIX);
lbessard@70: s4o.print("(");
lbessard@70:
lbessard@70: /* first and only parameter is a pointer to the data */
lbessard@70: symbol->program_type_name->accept(*this);
lbessard@70: s4o.print(" *");
lbessard@70: s4o.print(FB_FUNCTION_PARAM);
laurent@221: s4o.print(", BOOL retain) {\n");
lbessard@70: s4o.indent_right();
lbessard@70:
lbessard@70: /* (B.2) Member initializations... */
lbessard@70: s4o.print(s4o.indent_spaces);
lbessard@70: vardecl = new generate_c_vardecl_c(&s4o,
ccb@202: generate_c_vardecl_c::constructorinit_vf,
ccb@202: generate_c_vardecl_c::input_vt |
ccb@202: generate_c_vardecl_c::output_vt |
ccb@202: generate_c_vardecl_c::inoutput_vt |
ccb@202: generate_c_vardecl_c::private_vt |
ccb@202: generate_c_vardecl_c::located_vt |
ccb@202: generate_c_vardecl_c::external_vt);
lbessard@70: vardecl->print(symbol->var_declarations, NULL, FB_FUNCTION_PARAM"->");
lbessard@70: delete vardecl;
lbessard@70: s4o.print("\n");
laurent@244:
laurent@244: sfcdecl = new generate_c_sfcdecl_c(&s4o, symbol, FB_FUNCTION_PARAM"->");
laurent@244:
lbessard@70: /* (B.3) Generate private internal variables for SFC */
laurent@244: sfcdecl->generate(symbol->function_block_body, generate_c_sfcdecl_c::sfcinit_sd);
lbessard@70:
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print(s4o.indent_spaces + "}\n\n");
lbessard@70:
lbessard@70: /* (C) Function with PROGRAM body */
lbessard@70: /* (C.1) Step definitions */
laurent@244: sfcdecl->generate(symbol->function_block_body, generate_c_sfcdecl_c::stepdef_sd);
lbessard@70:
lbessard@70: /* (C.2) Action definitions */
laurent@244: sfcdecl->generate(symbol->function_block_body, generate_c_sfcdecl_c::actiondef_sd);
lbessard@70:
lbessard@70: /* (C.3) Function declaration */
lbessard@70: s4o.print("// Code part\n");
lbessard@70: /* function interface */
lbessard@70: s4o.print("void ");
lbessard@70: symbol->program_type_name->accept(*this);
lbessard@70: s4o.print(FB_FUNCTION_SUFFIX);
lbessard@70: s4o.print("(");
lbessard@70: /* first and only parameter is a pointer to the data */
lbessard@70: symbol->program_type_name->accept(*this);
lbessard@70: s4o.print(" *");
lbessard@70: s4o.print(FB_FUNCTION_PARAM);
lbessard@70: s4o.print(") {\n");
lbessard@70: s4o.indent_right();
lbessard@70:
lbessard@70: /* (C.4) Initialize TEMP variables */
lbessard@70: /* function body */
lbessard@70: s4o.print(s4o.indent_spaces + "// Initialise TEMP variables\n");
lbessard@70: vardecl = new generate_c_vardecl_c(&s4o,
ccb@202: generate_c_vardecl_c::init_vf,
ccb@202: generate_c_vardecl_c::temp_vt);
lbessard@70: vardecl->print(symbol->var_declarations, NULL, FB_FUNCTION_PARAM"->");
lbessard@70: delete vardecl;
lbessard@70: s4o.print("\n");
lbessard@70:
lbessard@70: /* (C.5) Function code */
laurent@217: generate_c_SFC_IL_ST_c generate_c_code(&s4o, symbol->program_type_name, symbol, FB_FUNCTION_PARAM"->");
lbessard@70: symbol->function_block_body->accept(generate_c_code);
msousa@283: print_end_of_block_label();
laurent@330: s4o.print(s4o.indent_spaces + "return;\n");
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print(s4o.indent_spaces + "} // ");
lbessard@70: symbol->program_type_name->accept(*this);
lbessard@70: s4o.print(FB_FUNCTION_SUFFIX);
lbessard@70: s4o.print(s4o.indent_spaces + "() \n\n");
lbessard@70:
lbessard@70: /* (C.6) Step undefinitions */
laurent@244: sfcdecl->generate(symbol->function_block_body, generate_c_sfcdecl_c::stepundef_sd);
laurent@244:
laurent@244: /* (C.7) Action undefinitions */
laurent@244: sfcdecl->generate(symbol->function_block_body, generate_c_sfcdecl_c::actionundef_sd);
laurent@244:
lbessard@70: delete sfcdecl;
laurent@244:
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print("\n\n\n\n");
lbessard@70:
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: }; /* generate_c_pous_c */
lbessard@70:
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70:
lbessard@70: class generate_c_config_c: public generate_c_typedecl_c {
msousa@267: private:
msousa@267: stage4out_c *s4o_ptr;
laurent@396: stage4out_c *s4o_incl_ptr;
laurent@396:
lbessard@70: public:
laurent@396: generate_c_config_c(stage4out_c *s4o_ptr, stage4out_c *s4o_incl_ptr)
laurent@396: : generate_c_typedecl_c(s4o_ptr, s4o_incl_ptr) {
msousa@267: generate_c_config_c::s4o_ptr = s4o_ptr;
laurent@396: generate_c_config_c::s4o_incl_ptr = s4o_incl_ptr;
msousa@267: };
laurent@377:
lbessard@70: virtual ~generate_c_config_c(void) {}
lbessard@70:
lbessard@70: typedef enum {
lbessard@70: initprotos_dt,
lbessard@70: initdeclare_dt,
lbessard@70: runprotos_dt,
lbessard@70: rundeclare_dt
lbessard@70: } declaretype_t;
lbessard@70:
lbessard@70: declaretype_t wanted_declaretype;
lbessard@70:
msousa@267:
msousa@267: public:
msousa@267: /********************/
msousa@267: /* 2.1.6 - Pragmas */
msousa@267: /********************/
laurent@396: void *visit(enable_code_generation_pragma_c * symbol) {
laurent@396: s4o_ptr->enable_output();
laurent@396: s4o_incl_ptr->enable_output();
laurent@396: return NULL;
laurent@396: }
laurent@396:
laurent@396: void *visit(disable_code_generation_pragma_c * symbol) {
laurent@396: s4o_ptr->disable_output();
laurent@396: s4o_incl_ptr->disable_output();
laurent@396: return NULL;
laurent@396: }
msousa@267:
msousa@267:
lbessard@70: /********************************/
lbessard@70: /* B 1.7 Configuration elements */
lbessard@70: /********************************/
lbessard@70: /*
lbessard@70: CONFIGURATION configuration_name
lbessard@70: optional_global_var_declarations
lbessard@70: (resource_declaration_list | single_resource_declaration)
lbessard@70: optional_access_declarations
lbessard@70: optional_instance_specific_initializations
lbessard@70: END_CONFIGURATION
lbessard@70: */
lbessard@70: /*
lbessard@70: SYM_REF6(configuration_declaration_c, configuration_name, global_var_declarations, resource_declarations, access_declarations, instance_specific_initializations, unused)
lbessard@70: */
lbessard@70: void *visit(configuration_declaration_c *symbol) {
lbessard@70: generate_c_vardecl_c *vardecl;
lbessard@70:
lbessard@70: /* Insert the header... */
lbessard@70: s4o.print("/*******************************************/\n");
lbessard@70: s4o.print("/* FILE GENERATED BY iec2c */\n");
lbessard@70: s4o.print("/* Editing this file is not recommended... */\n");
lbessard@70: s4o.print("/*******************************************/\n\n");
lbessard@70: s4o.print("#include \"iec_std_lib.h\"\n\n");
msousa@257: s4o.print("#include \"accessor.h\"\n\n");
laurent@377: s4o.print("#include \"POUS.h\"\n\n");
laurent@250:
lbessard@70: /* (A) configuration declaration... */
lbessard@70: /* (A.1) configuration name in comment */
lbessard@70: s4o.print("// CONFIGURATION ");
lbessard@70: symbol->configuration_name->accept(*this);
lbessard@70: s4o.print("\n");
lbessard@70:
lbessard@70: /* (A.2) Global variables */
lbessard@70: vardecl = new generate_c_vardecl_c(&s4o,
ccb@202: generate_c_vardecl_c::local_vf,
laurent@392: generate_c_vardecl_c::global_vt,
laurent@392: symbol->configuration_name);
lbessard@70: vardecl->print(symbol);
lbessard@70: delete vardecl;
lbessard@70: s4o.print("\n");
lbessard@70:
laurent@396: /* (A.3) Declare global prototypes in include file */
laurent@396: vardecl = new generate_c_vardecl_c(&s4o_incl,
laurent@396: generate_c_vardecl_c::globalprototype_vf,
laurent@396: generate_c_vardecl_c::global_vt,
laurent@396: symbol->configuration_name);
laurent@396: vardecl->print(symbol);
laurent@396: delete vardecl;
laurent@396: s4o_incl.print("\n");
laurent@396:
lbessard@70: /* (B) Initialisation Function */
lbessard@70: /* (B.1) Ressources initialisation protos... */
lbessard@70: wanted_declaretype = initprotos_dt;
lbessard@70: symbol->resource_declarations->accept(*this);
lbessard@70: s4o.print("\n");
lbessard@70:
lbessard@70: /* (B.2) Initialisation function name... */
lbessard@70: s4o.print(s4o.indent_spaces + "void config");
lbessard@70: s4o.print(FB_INIT_SUFFIX);
lbessard@70: s4o.print("(void) {\n");
lbessard@70: s4o.indent_right();
laurent@250: s4o.print(s4o.indent_spaces);
laurent@255: s4o.print("BOOL retain;\n");
laurent@255: s4o.print(s4o.indent_spaces);
laurent@255: s4o.print("retain = 0;\n");
lbessard@70:
lbessard@70: /* (B.3) Global variables initializations... */
lbessard@70: s4o.print(s4o.indent_spaces);
lbessard@70: vardecl = new generate_c_vardecl_c(&s4o,
ccb@202: generate_c_vardecl_c::constructorinit_vf,
manuele@537: generate_c_vardecl_c::global_vt,
manuele@537: symbol->configuration_name);
lbessard@70: vardecl->print(symbol);
lbessard@70: delete vardecl;
lbessard@70: s4o.print("\n");
lbessard@70:
lbessard@70: /* (B.3) Resources initializations... */
lbessard@70: wanted_declaretype = initdeclare_dt;
lbessard@70: symbol->resource_declarations->accept(*this);
lbessard@70:
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print(s4o.indent_spaces + "}\n\n");
lbessard@70:
lbessard@70:
lbessard@70: /* (C) Run Function*/
lbessard@70: /* (C.1) Resources run functions protos... */
lbessard@70: wanted_declaretype = runprotos_dt;
lbessard@70: symbol->resource_declarations->accept(*this);
lbessard@70: s4o.print("\n");
lbessard@70:
lbessard@70: /* (C.2) Run function name... */
lbessard@70: s4o.print(s4o.indent_spaces + "void config");
lbessard@70: s4o.print(FB_RUN_SUFFIX);
laurent@210: s4o.print("(unsigned long tick) {\n");
lbessard@70: s4o.indent_right();
lbessard@70:
lbessard@70: /* (C.3) Resources initializations... */
lbessard@70: wanted_declaretype = rundeclare_dt;
lbessard@70: symbol->resource_declarations->accept(*this);
lbessard@70:
lbessard@70: /* (C.3) Close Public Function body */
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print(s4o.indent_spaces + "}\n");
lbessard@70:
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: void *visit(resource_declaration_c *symbol) {
lbessard@70: if (wanted_declaretype == initprotos_dt || wanted_declaretype == runprotos_dt) {
lbessard@70: s4o.print(s4o.indent_spaces + "void ");
lbessard@70: symbol->resource_name->accept(*this);
lbessard@70: if (wanted_declaretype == initprotos_dt) {
lbessard@70: s4o.print(FB_INIT_SUFFIX);
lbessard@70: s4o.print("(void);\n");
lbessard@70: }
lbessard@70: else {
lbessard@70: s4o.print(FB_RUN_SUFFIX);
laurent@210: s4o.print("(unsigned long tick);\n");
lbessard@70: }
lbessard@70: }
lbessard@70: if (wanted_declaretype == initdeclare_dt || wanted_declaretype == rundeclare_dt) {
lbessard@70: s4o.print(s4o.indent_spaces);
lbessard@70: symbol->resource_name->accept(*this);
lbessard@70: if (wanted_declaretype == initdeclare_dt) {
lbessard@70: s4o.print(FB_INIT_SUFFIX);
lbessard@70: s4o.print("();\n");
lbessard@70: }
lbessard@70: else {
lbessard@70: s4o.print(FB_RUN_SUFFIX);
lbessard@70: s4o.print("(tick);\n");
lbessard@70: }
lbessard@70: }
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: void *visit(single_resource_declaration_c *symbol) {
lbessard@70: if (wanted_declaretype == initprotos_dt || wanted_declaretype == runprotos_dt) {
lbessard@70: s4o.print(s4o.indent_spaces + "void RESOURCE");
lbessard@70: if (wanted_declaretype == initprotos_dt) {
lbessard@70: s4o.print(FB_INIT_SUFFIX);
lbessard@70: s4o.print("(void);\n");
lbessard@70: }
lbessard@70: else {
lbessard@70: s4o.print(FB_RUN_SUFFIX);
laurent@210: s4o.print("(unsigned long tick);\n");
lbessard@70: }
lbessard@70: }
lbessard@70: if (wanted_declaretype == initdeclare_dt || wanted_declaretype == rundeclare_dt) {
lbessard@70: s4o.print(s4o.indent_spaces + "RESOURCE");
lbessard@70: if (wanted_declaretype == initdeclare_dt) {
lbessard@70: s4o.print(FB_INIT_SUFFIX);
lbessard@70: s4o.print("();\n");
lbessard@70: }
lbessard@70: else {
lbessard@70: s4o.print(FB_RUN_SUFFIX);
lbessard@70: s4o.print("(tick);\n");
lbessard@70: }
lbessard@70: }
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: };
lbessard@70:
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70:
lbessard@70:
lbessard@70: class generate_c_resources_c: public generate_c_typedecl_c {
lbessard@70:
lbessard@70: search_var_instance_decl_c *search_config_instance;
lbessard@70: search_var_instance_decl_c *search_resource_instance;
lbessard@70:
lbessard@70: private:
lbessard@70: /* The name of the resource curretnly being processed... */
laurent@396: symbol_c *current_configuration;
lbessard@70: symbol_c *current_resource_name;
lbessard@184: symbol_c *current_task_name;
lbessard@70: symbol_c *current_global_vars;
laurent@396: bool configuration_name;
msousa@267: stage4out_c *s4o_ptr;
lbessard@70:
lbessard@70: public:
lbessard@70: generate_c_resources_c(stage4out_c *s4o_ptr, symbol_c *config_scope, symbol_c *resource_scope, unsigned long time)
lbessard@70: : generate_c_typedecl_c(s4o_ptr) {
laurent@396: current_configuration = config_scope;
ccb@202: search_config_instance = new search_var_instance_decl_c(config_scope);
lbessard@70: search_resource_instance = new search_var_instance_decl_c(resource_scope);
lbessard@70: common_ticktime = time;
lbessard@70: current_resource_name = NULL;
lbessard@184: current_task_name = NULL;
lbessard@70: current_global_vars = NULL;
laurent@396: configuration_name = false;
msousa@267: generate_c_resources_c::s4o_ptr = s4o_ptr;
lbessard@70: };
msousa@267:
lbessard@70: virtual ~generate_c_resources_c(void) {
lbessard@70: delete search_config_instance;
lbessard@70: delete search_resource_instance;
lbessard@70: }
lbessard@70:
lbessard@70: typedef enum {
lbessard@70: declare_dt,
lbessard@70: init_dt,
lbessard@70: run_dt
lbessard@70: } declaretype_t;
lbessard@70:
lbessard@70: declaretype_t wanted_declaretype;
lbessard@70:
msousa@594: unsigned long long common_ticktime;
lbessard@70:
lbessard@70: const char *current_program_name;
lbessard@70:
lbessard@70: typedef enum {
lbessard@70: assign_at,
lbessard@70: send_at
lbessard@70: } assigntype_t;
lbessard@70:
lbessard@70: assigntype_t wanted_assigntype;
lbessard@70:
laurent@221: /* the qualifier of variables that need to be processed... */
laurent@221: static const unsigned int none_vq = 0x0000;
laurent@221: static const unsigned int constant_vq = 0x0001; // CONSTANT
laurent@221: static const unsigned int retain_vq = 0x0002; // RETAIN
laurent@221: static const unsigned int non_retain_vq = 0x0004; // NON_RETAIN
laurent@221:
laurent@221: /* variable used to store the qualifier of program currently being processed... */
laurent@221: unsigned int current_varqualifier;
laurent@221:
laurent@221: void *print_retain(void) {
laurent@377: s4o.print(",");
laurent@221: switch (current_varqualifier) {
laurent@377: case retain_vq:
laurent@221: s4o.print("1");
laurent@221: break;
laurent@221: case non_retain_vq:
laurent@221: s4o.print("0");
laurent@221: break;
laurent@377: default:
laurent@377: s4o.print("retain");
laurent@377: break;
laurent@221: }
laurent@221: return NULL;
laurent@221: }
laurent@221:
laurent@396: /*************************/
laurent@396: /* B.1 - Common elements */
laurent@396: /*************************/
laurent@396: /*******************************************/
laurent@396: /* B 1.1 - Letters, digits and identifiers */
laurent@396: /*******************************************/
laurent@396:
laurent@396: void *visit(identifier_c *symbol) {
laurent@396: if (configuration_name)
laurent@396: s4o.print(symbol->value);
laurent@396: else
laurent@396: generate_c_base_c::visit(symbol);
laurent@396: return NULL;
laurent@396: }
msousa@267:
msousa@267: /********************/
msousa@267: /* 2.1.6 - Pragmas */
msousa@267: /********************/
msousa@267: void *visit(enable_code_generation_pragma_c * symbol) {s4o_ptr->enable_output(); return NULL;}
msousa@267: void *visit(disable_code_generation_pragma_c * symbol) {s4o_ptr->disable_output(); return NULL;}
msousa@267:
msousa@267:
laurent@221: /******************************************/
laurent@221: /* B 1.4.3 - Declaration & Initialisation */
laurent@221: /******************************************/
laurent@221:
laurent@221: void *visit(constant_option_c *symbol) {
laurent@221: current_varqualifier = constant_vq;
laurent@221: return NULL;
laurent@221: }
laurent@221:
laurent@221: void *visit(retain_option_c *symbol) {
laurent@221: current_varqualifier = retain_vq;
laurent@221: return NULL;
laurent@221: }
laurent@221:
laurent@221: void *visit(non_retain_option_c *symbol) {
laurent@221: current_varqualifier = non_retain_vq;
laurent@221: return NULL;
laurent@221: }
laurent@221:
laurent@396: /********************************/
laurent@396: /* B 1.7 Configuration elements */
laurent@396: /********************************/
laurent@396:
laurent@396: void *visit(configuration_declaration_c *symbol) {
laurent@396: return symbol->configuration_name->accept(*this);
laurent@396: }
lbessard@70:
lbessard@70: /*
lbessard@70: RESOURCE resource_name ON resource_type_name
lbessard@70: optional_global_var_declarations
lbessard@70: single_resource_declaration
lbessard@70: END_RESOURCE
lbessard@70: */
lbessard@70: // SYM_REF4(resource_declaration_c, resource_name, resource_type_name, global_var_declarations, resource_declaration)
lbessard@70: void *visit(resource_declaration_c *symbol) {
lbessard@70: current_resource_name = symbol->resource_name;
lbessard@70: current_global_vars = symbol->global_var_declarations;
lbessard@70:
lbessard@70: symbol->resource_declaration->accept(*this);
lbessard@70:
lbessard@70: current_resource_name = NULL;
lbessard@70: current_global_vars = NULL;
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: /* task_configuration_list program_configuration_list */
lbessard@70: // SYM_REF2(single_resource_declaration_c, task_configuration_list, program_configuration_list)
lbessard@70: void *visit(single_resource_declaration_c *symbol) {
ccb@202: bool single_resource = current_resource_name == NULL;
lbessard@70: if (single_resource)
lbessard@70: current_resource_name = new identifier_c("RESOURCE");
lbessard@70: generate_c_vardecl_c *vardecl;
lbessard@70:
lbessard@70: /* Insert the header... */
lbessard@70: s4o.print("/*******************************************/\n");
lbessard@70: s4o.print("/* FILE GENERATED BY iec2c */\n");
lbessard@70: s4o.print("/* Editing this file is not recommended... */\n");
lbessard@70: s4o.print("/*******************************************/\n\n");
lbessard@70: s4o.print("#include \"iec_std_lib.h\"\n\n");
lbessard@70:
lbessard@70: /* (A) resource declaration... */
lbessard@70: /* (A.1) resource name in comment */
lbessard@70: s4o.print("// RESOURCE ");
lbessard@70: current_resource_name->accept(*this);
lbessard@120: s4o.print("\n\n");
lbessard@120:
laurent@237: s4o.print("extern unsigned long long common_ticktime__;\n\n");
laurent@217:
laurent@396: s4o.print("#include \"accessor.h\"\n");
laurent@397: s4o.print("#include \"POUS.h\"\n\n");
laurent@396: s4o.print("#include \"");
laurent@396: configuration_name = true;
laurent@396: current_configuration->accept(*this);
laurent@396: configuration_name = false;
laurent@396: s4o.print(".h\"\n");
laurent@217:
lbessard@70: /* (A.2) Global variables... */
lbessard@70: if (current_global_vars != NULL) {
lbessard@70: vardecl = new generate_c_vardecl_c(&s4o,
ccb@202: generate_c_vardecl_c::local_vf,
ccb@202: generate_c_vardecl_c::global_vt,
ccb@202: current_resource_name);
lbessard@70: vardecl->print(current_global_vars);
lbessard@70: delete vardecl;
lbessard@120: s4o.print("\n");
lbessard@70: }
lbessard@70:
lbessard@70: /* (A.3) POUs inclusion */
lbessard@70: s4o.print("#include \"POUS.c\"\n\n");
lbessard@70:
lbessard@184: wanted_declaretype = declare_dt;
lbessard@184:
lbessard@70: /* (A.4) Resource programs declaration... */
lbessard@184: symbol->task_configuration_list->accept(*this);
lbessard@184:
lbessard@184: /* (A.5) Resource programs declaration... */
lbessard@70: symbol->program_configuration_list->accept(*this);
lbessard@184:
lbessard@70: s4o.print("\n");
lbessard@70:
lbessard@70: /* (B) resource initialisation function... */
lbessard@70: /* (B.1) initialisation function name... */
lbessard@70: s4o.print("void ");
lbessard@70: current_resource_name->accept(*this);
lbessard@70: s4o.print(FB_INIT_SUFFIX);
lbessard@70: s4o.print("(void) {\n");
lbessard@70: s4o.indent_right();
laurent@221: s4o.print(s4o.indent_spaces);
laurent@255: s4o.print("BOOL retain;\n");
laurent@255: s4o.print(s4o.indent_spaces);
laurent@255: s4o.print("retain = 0;\n");
lbessard@70:
lbessard@70: /* (B.2) Global variables initialisations... */
lbessard@70: if (current_global_vars != NULL) {
lbessard@70: s4o.print(s4o.indent_spaces);
lbessard@70: vardecl = new generate_c_vardecl_c(&s4o,
ccb@202: generate_c_vardecl_c::constructorinit_vf,
laurent@241: generate_c_vardecl_c::global_vt,
laurent@241: current_resource_name);
lbessard@70: vardecl->print(current_global_vars);
lbessard@70: delete vardecl;
lbessard@70: }
lbessard@70: s4o.print("\n");
lbessard@70:
lbessard@70: wanted_declaretype = init_dt;
lbessard@184:
lbessard@184: /* (B.3) Tasks initialisations... */
lbessard@184: symbol->task_configuration_list->accept(*this);
lbessard@184:
lbessard@184: /* (B.4) Resource programs initialisations... */
lbessard@70: symbol->program_configuration_list->accept(*this);
lbessard@70:
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print("}\n\n");
lbessard@70:
lbessard@70: /* (C) Resource run function... */
lbessard@70: /* (C.1) Run function name... */
lbessard@70: s4o.print("void ");
lbessard@70: current_resource_name->accept(*this);
lbessard@70: s4o.print(FB_RUN_SUFFIX);
laurent@210: s4o.print("(unsigned long tick) {\n");
lbessard@70: s4o.indent_right();
lbessard@70:
lbessard@184: wanted_declaretype = run_dt;
lbessard@184:
lbessard@70: /* (C.2) Task management... */
lbessard@70: symbol->task_configuration_list->accept(*this);
lbessard@70:
lbessard@70: /* (C.3) Program run declaration... */
lbessard@70: symbol->program_configuration_list->accept(*this);
lbessard@70:
lbessard@70: s4o.indent_left();
lbessard@70: s4o.print("}\n\n");
lbessard@70:
lbessard@70: if (single_resource) {
lbessard@70: delete current_resource_name;
lbessard@70: current_resource_name = NULL;
lbessard@70: }
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: /* PROGRAM [RETAIN | NON_RETAIN] program_name [WITH task_name] ':' program_type_name ['(' prog_conf_elements ')'] */
lbessard@70: //SYM_REF6(program_configuration_c, retain_option, program_name, task_name, program_type_name, prog_conf_elements, unused)
lbessard@70: void *visit(program_configuration_c *symbol) {
lbessard@184: switch (wanted_declaretype) {
lbessard@184: case declare_dt:
lbessard@70: s4o.print(s4o.indent_spaces);
lbessard@184: symbol->program_type_name->accept(*this);
lbessard@184: s4o.print(" ");
lbessard@184: current_resource_name->accept(*this);
lbessard@184: s4o.print("__");
lbessard@184: symbol->program_name->accept(*this);
lbessard@184: s4o.print(";\n#define ");
lbessard@184: symbol->program_name->accept(*this);
lbessard@184: s4o.print(" ");
lbessard@184: current_resource_name->accept(*this);
lbessard@184: s4o.print("__");
lbessard@184: symbol->program_name->accept(*this);
lbessard@184: s4o.print("\n");
lbessard@184: break;
lbessard@184: case init_dt:
laurent@221: if (symbol->retain_option != NULL)
laurent@377: symbol->retain_option->accept(*this);
lbessard@184: s4o.print(s4o.indent_spaces);
lbessard@184: symbol->program_type_name->accept(*this);
lbessard@184: s4o.print(FB_INIT_SUFFIX);
lbessard@184: s4o.print("(&");
lbessard@184: symbol->program_name->accept(*this);
laurent@221: print_retain();
lbessard@184: s4o.print(");\n");
lbessard@184: break;
lbessard@184: case run_dt:
lbessard@184: current_program_name = ((identifier_c*)(symbol->program_name))->value;
lbessard@184: if (symbol->task_name != NULL) {
lbessard@184: s4o.print(s4o.indent_spaces);
lbessard@184: s4o.print("if (");
lbessard@184: symbol->task_name->accept(*this);
lbessard@184: s4o.print(") {\n");
lbessard@184: s4o.indent_right();
lbessard@184: }
lbessard@70:
lbessard@184: wanted_assigntype = assign_at;
lbessard@184: if (symbol->prog_conf_elements != NULL)
lbessard@184: symbol->prog_conf_elements->accept(*this);
lbessard@184:
lbessard@184: s4o.print(s4o.indent_spaces);
lbessard@184: symbol->program_type_name->accept(*this);
lbessard@184: s4o.print(FB_FUNCTION_SUFFIX);
lbessard@184: s4o.print("(&");
lbessard@184: symbol->program_name->accept(*this);
lbessard@184: s4o.print(");\n");
lbessard@184:
lbessard@184: wanted_assigntype = send_at;
lbessard@184: if (symbol->prog_conf_elements != NULL)
lbessard@184: symbol->prog_conf_elements->accept(*this);
lbessard@184:
lbessard@184: if (symbol->task_name != NULL) {
lbessard@184: s4o.indent_left();
lbessard@184: s4o.print(s4o.indent_spaces + "}\n");
lbessard@184: }
lbessard@184: break;
lbessard@184: default:
lbessard@184: break;
lbessard@70: }
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: /* TASK task_name task_initialization */
lbessard@70: //SYM_REF2(task_configuration_c, task_name, task_initialization)
lbessard@70: void *visit(task_configuration_c *symbol) {
lbessard@184: current_task_name = symbol->task_name;
lbessard@184: switch (wanted_declaretype) {
lbessard@184: case declare_dt:
lbessard@184: s4o.print(s4o.indent_spaces + "BOOL ");
lbessard@184: current_task_name->accept(*this);
lbessard@184: s4o.print(";\n");
lbessard@184: symbol->task_initialization->accept(*this);
lbessard@184: break;
lbessard@184: case init_dt:
lbessard@184: s4o.print(s4o.indent_spaces);
lbessard@184: current_task_name->accept(*this);
lbessard@184: s4o.print(" = __BOOL_LITERAL(FALSE);\n");
lbessard@184: symbol->task_initialization->accept(*this);
lbessard@184: break;
lbessard@184: case run_dt:
lbessard@184: symbol->task_initialization->accept(*this);
lbessard@184: break;
lbessard@184: default:
lbessard@184: break;
lbessard@184: }
lbessard@184: current_task_name = NULL;
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: /* '(' [SINGLE ASSIGN data_source ','] [INTERVAL ASSIGN data_source ','] PRIORITY ASSIGN integer ')' */
lbessard@70: //SYM_REF4(task_initialization_c, single_data_source, interval_data_source, priority_data_source, unused)
lbessard@70: void *visit(task_initialization_c *symbol) {
lbessard@184: switch (wanted_declaretype) {
lbessard@184: case declare_dt:
lbessard@184: if (symbol->single_data_source != NULL) {
lbessard@184: s4o.print(s4o.indent_spaces + "R_TRIG ");
lbessard@184: current_task_name->accept(*this);
lbessard@184: s4o.print("_R_TRIG;\n");
lbessard@184: }
lbessard@184: break;
lbessard@184: case init_dt:
lbessard@184: if (symbol->single_data_source != NULL) {
lbessard@184: s4o.print(s4o.indent_spaces + "R_TRIG");
lbessard@184: s4o.print(FB_INIT_SUFFIX);
lbessard@184: s4o.print("(&");
lbessard@184: current_task_name->accept(*this);
laurent@248: s4o.print("_R_TRIG, retain);\n");
lbessard@184: }
lbessard@184: break;
lbessard@184: case run_dt:
lbessard@184: if (symbol->single_data_source != NULL) {
lbessard@184: symbol_c *config_var_decl = NULL;
lbessard@184: symbol_c *res_var_decl = NULL;
laurent@392: s4o.print(s4o.indent_spaces + "{");
lbessard@184: symbol_c *current_var_reference = ((global_var_reference_c *)(symbol->single_data_source))->global_var_name;
lbessard@184: res_var_decl = search_resource_instance->get_decl(current_var_reference);
lbessard@184: if (res_var_decl == NULL) {
lbessard@184: config_var_decl = search_config_instance->get_decl(current_var_reference);
lbessard@184: if (config_var_decl == NULL)
lbessard@184: ERROR;
lbessard@184: config_var_decl->accept(*this);
lbessard@184: }
laurent@248: else {
laurent@392: res_var_decl->accept(*this);
laurent@248: }
laurent@392: s4o.print("* ");
laurent@392: symbol->single_data_source->accept(*this);
laurent@392: s4o.print(" = __GET_GLOBAL_");
laurent@392: symbol->single_data_source->accept(*this);
laurent@392: s4o.print("();");
laurent@248: s4o.print(SET_VAR);
laurent@248: s4o.print("(");
lbessard@184: current_task_name->accept(*this);
laurent@392: s4o.print("_R_TRIG.,CLK, *");
lbessard@184: symbol->single_data_source->accept(*this);
laurent@392: s4o.print(");}\n");
lbessard@184: s4o.print(s4o.indent_spaces + "R_TRIG");
lbessard@184: s4o.print(FB_FUNCTION_SUFFIX);
lbessard@184: s4o.print("(&");
lbessard@184: current_task_name->accept(*this);
lbessard@184: s4o.print("_R_TRIG);\n");
lbessard@184: s4o.print(s4o.indent_spaces);
lbessard@184: current_task_name->accept(*this);
lbessard@184: s4o.print(" = ");
laurent@248: s4o.print(GET_VAR);
laurent@248: s4o.print("(");
lbessard@184: current_task_name->accept(*this);
laurent@248: s4o.print("_R_TRIG.Q)");
lbessard@184: }
lbessard@184: else {
lbessard@184: s4o.print(s4o.indent_spaces);
lbessard@184: current_task_name->accept(*this);
lbessard@184: s4o.print(" = ");
lbessard@184: if (symbol->interval_data_source != NULL) {
msousa@594: unsigned long long int time = calculate_time(symbol->interval_data_source);
lbessard@184: if (time != 0) {
lbessard@184: s4o.print("!(tick % ");
msousa@594: s4o.print(time / common_ticktime);
lbessard@184: s4o.print(")");
lbessard@184: }
lbessard@184: else
lbessard@184: s4o.print("1");
lbessard@184: }
lbessard@184: else
lbessard@184: s4o.print("1");
lbessard@184: }
lbessard@184: s4o.print(";\n");
lbessard@184: break;
lbessard@184: default:
lbessard@184: break;
lbessard@70: }
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: /* any_symbolic_variable ASSIGN prog_data_source */
lbessard@70: //SYM_REF2(prog_cnxn_assign_c, symbolic_variable, prog_data_source)
lbessard@70: void *visit(prog_cnxn_assign_c *symbol) {
lbessard@70: if (wanted_assigntype == assign_at) {
lbessard@70: symbol_c *var_decl;
lbessard@70: unsigned int vartype = 0;
lbessard@70: symbol_c *current_var_reference = ((global_var_reference_c *)(symbol->prog_data_source))->global_var_name;
lbessard@70: var_decl = search_resource_instance->get_decl(current_var_reference);
lbessard@70: if (var_decl == NULL) {
lbessard@70: var_decl = search_config_instance->get_decl(current_var_reference);
lbessard@70: if (var_decl == NULL)
lbessard@70: ERROR;
lbessard@70: else
msousa@417: vartype = search_config_instance->get_vartype(current_var_reference);
lbessard@70: }
lbessard@70: else
msousa@417: vartype = search_resource_instance->get_vartype(current_var_reference);
lbessard@70:
lbessard@70: s4o.print(s4o.indent_spaces + "{extern ");
lbessard@70: var_decl->accept(*this);
ccb@202: s4o.print(" *");
lbessard@70: symbol->prog_data_source->accept(*this);
lbessard@70: s4o.print("; ");
ccb@202: s4o.printupper(current_program_name);
lbessard@70: s4o.print(".");
lbessard@70: symbol->symbolic_variable->accept(*this);
lbessard@70: s4o.print(" = ");
msousa@506: if (vartype == search_var_instance_decl_c::global_vt)
lbessard@70: s4o.print("*");
lbessard@70: symbol->prog_data_source->accept(*this);
lbessard@70: s4o.print(";}\n");
lbessard@70: }
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: /* any_symbolic_variable SENDTO data_sink */
lbessard@70: //SYM_REF2(prog_cnxn_sendto_c, symbolic_variable, data_sink)
lbessard@70: void *visit(prog_cnxn_sendto_c *symbol) {
lbessard@70: if (wanted_assigntype == send_at) {
lbessard@70: symbol_c *var_decl;
lbessard@70: unsigned int vartype = 0;
lbessard@70: symbol_c *current_var_reference = ((global_var_reference_c *)(symbol->data_sink))->global_var_name;
lbessard@70: var_decl = search_resource_instance->get_decl(current_var_reference);
lbessard@70: if (var_decl == NULL) {
lbessard@70: var_decl = search_config_instance->get_decl(current_var_reference);
lbessard@70: if (var_decl == NULL)
lbessard@70: ERROR;
lbessard@70: else
msousa@417: vartype = search_config_instance->get_vartype(current_var_reference);
lbessard@70: }
lbessard@70: else
msousa@417: vartype = search_resource_instance->get_vartype(current_var_reference);
lbessard@70:
lbessard@70: s4o.print(s4o.indent_spaces + "{extern ");
lbessard@70: var_decl->accept(*this);
ccb@202: s4o.print(" *");
lbessard@70: symbol->data_sink->accept(*this);
lbessard@70: s4o.print("; ");
msousa@506: if (vartype == search_var_instance_decl_c::global_vt)
lbessard@70: s4o.print("*");
lbessard@70: symbol->data_sink->accept(*this);
lbessard@70: s4o.print(" = ");
ccb@202: s4o.printupper(current_program_name);
lbessard@70: s4o.print(".");
lbessard@70: symbol->symbolic_variable->accept(*this);
ccb@202: s4o.print(";};\n");
lbessard@70: }
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: };
lbessard@70:
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70:
lbessard@70: class generate_c_c: public iterator_visitor_c {
laurent@377: public:
laurent@377: typedef enum {
laurent@377: none_gm,
laurent@377: datatypes_gm,
conti@661: pous_gm
laurent@377: } generate_mode_t;
laurent@377:
lbessard@70: protected:
lbessard@70: stage4out_c &s4o;
lbessard@70: stage4out_c pous_s4o;
lbessard@121: stage4out_c pous_incl_s4o;
lbessard@70: stage4out_c located_variables_s4o;
lbessard@111: stage4out_c variables_s4o;
laurent@377: generate_c_datatypes_c generate_c_datatypes;
lbessard@70: generate_c_pous_c generate_c_pous;
lbessard@111:
lbessard@70: symbol_c *current_configuration;
lbessard@70:
lbessard@70: const char *current_name;
lbessard@70: const char *current_builddir;
lbessard@70:
laurent@237: unsigned long long common_ticktime;
lbessard@70:
laurent@377: generate_mode_t current_mode;
laurent@377:
lbessard@70: public:
lbessard@70: generate_c_c(stage4out_c *s4o_ptr, const char *builddir):
lbessard@70: s4o(*s4o_ptr),
lbessard@70: pous_s4o(builddir, "POUS", "c"),
lbessard@121: pous_incl_s4o(builddir, "POUS", "h"),
lbessard@70: located_variables_s4o(builddir, "LOCATED_VARIABLES","h"),
etisserant@112: variables_s4o(builddir, "VARIABLES","csv"),
laurent@377: generate_c_datatypes(&pous_s4o, &pous_incl_s4o),
lbessard@121: generate_c_pous(&pous_s4o, &pous_incl_s4o) {
lbessard@70: current_builddir = builddir;
lbessard@70: current_configuration = NULL;
laurent@377: current_mode = none_gm;
lbessard@70: }
lbessard@70:
lbessard@70: ~generate_c_c(void) {}
lbessard@70:
msousa@267:
msousa@267:
msousa@267: /********************/
msousa@267: /* 2.1.6 - Pragmas */
msousa@267: /********************/
msousa@267: void *visit(enable_code_generation_pragma_c * symbol) {
msousa@267: s4o .enable_output();
msousa@267: pous_s4o .enable_output();
msousa@267: pous_incl_s4o .enable_output();
msousa@267: located_variables_s4o.enable_output();
msousa@267: variables_s4o .enable_output();
msousa@267: return NULL;
msousa@267: }
msousa@267:
msousa@267: void *visit(disable_code_generation_pragma_c * symbol) {
msousa@267: s4o .disable_output();
msousa@267: pous_s4o .disable_output();
msousa@267: pous_incl_s4o .disable_output();
msousa@267: located_variables_s4o.disable_output();
msousa@267: variables_s4o .disable_output();
msousa@267: return NULL;
msousa@267: }
msousa@267:
msousa@267:
lbessard@70: /***************************/
lbessard@70: /* B 0 - Programming Model */
lbessard@70: /***************************/
lbessard@70: void *visit(library_c *symbol) {
laurent@217: pous_incl_s4o.print("#ifndef __POUS_H\n#define __POUS_H\n\n#include \"accessor.h\"\n\n");
laurent@377:
laurent@377: current_mode = datatypes_gm;
lbessard@70: for(int i = 0; i < symbol->n; i++) {
lbessard@70: symbol->elements[i]->accept(*this);
lbessard@70: }
laurent@377:
laurent@377: current_mode = pous_gm;
laurent@377: for(int i = 0; i < symbol->n; i++) {
laurent@377: symbol->elements[i]->accept(*this);
laurent@377: }
laurent@377:
lbessard@121: pous_incl_s4o.print("#endif //__POUS_H\n");
lbessard@121:
lbessard@121: generate_var_list_c generate_var_list(&variables_s4o, symbol);
lbessard@121: generate_var_list.generate_programs(symbol);
lbessard@121: generate_var_list.generate_variables(symbol);
laurent@397: variables_s4o.print("\n// Ticktime\n");
laurent@397: variables_s4o.print_long_long_integer(common_ticktime, false);
laurent@397: variables_s4o.print("\n");
laurent@397:
lbessard@98: generate_location_list_c generate_location_list(&located_variables_s4o);
lbessard@98: symbol->accept(generate_location_list);
lbessard@70: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: /*************************/
lbessard@70: /* B.1 - Common elements */
lbessard@70: /*************************/
lbessard@70: /*******************************************/
lbessard@70: /* B 1.1 - Letters, digits and identifiers */
lbessard@70: /*******************************************/
lbessard@70: void *visit(identifier_c *symbol) {
laurent@377: current_name = symbol->value;
laurent@377: return NULL;
lbessard@70: }
lbessard@70:
lbessard@98: /********************************/
lbessard@98: /* B 1.3.3 - Derived data types */
lbessard@98: /********************************/
lbessard@98: /* TYPE type_declaration_list END_TYPE */
lbessard@98: void *visit(data_type_declaration_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case datatypes_gm:
laurent@377: symbol->accept(generate_c_datatypes);
laurent@377: break;
laurent@377: default:
laurent@377: break;
laurent@377: }
lbessard@98: return NULL;
lbessard@98: }
lbessard@98:
lbessard@70: /**************************************/
lbessard@70: /* B.1.5 - Program organization units */
lbessard@70: /**************************************/
lbessard@70: /***********************/
lbessard@70: /* B 1.5.1 - Functions */
lbessard@70: /***********************/
lbessard@70: void *visit(function_declaration_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case datatypes_gm:
laurent@377: symbol->var_declarations_list->accept(generate_c_datatypes);
laurent@377: break;
laurent@377: case pous_gm:
laurent@377: symbol->accept(generate_c_pous);
laurent@377: break;
laurent@377: default:
laurent@377: break;
laurent@377: }
laurent@377: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: /*****************************/
lbessard@70: /* B 1.5.2 - Function Blocks */
lbessard@70: /*****************************/
lbessard@70: void *visit(function_block_declaration_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case datatypes_gm:
laurent@377: symbol->var_declarations->accept(generate_c_datatypes);
laurent@377: break;
laurent@377: case pous_gm:
laurent@377: symbol->accept(generate_c_pous);
laurent@377: break;
laurent@377: default:
laurent@377: break;
laurent@377: }
laurent@377: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: /**********************/
lbessard@70: /* B 1.5.3 - Programs */
lbessard@70: /**********************/
lbessard@70: void *visit(program_declaration_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case datatypes_gm:
laurent@377: symbol->var_declarations->accept(generate_c_datatypes);
laurent@377: break;
laurent@377: case pous_gm:
laurent@377: symbol->accept(generate_c_pous);
laurent@377: break;
laurent@377: default:
laurent@377: break;
laurent@377: }
laurent@377: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70:
lbessard@70: /********************************/
lbessard@70: /* B 1.7 Configuration elements */
lbessard@70: /********************************/
lbessard@70: void *visit(configuration_declaration_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case datatypes_gm:
laurent@377: if (symbol->global_var_declarations != NULL)
laurent@377: symbol->global_var_declarations->accept(generate_c_datatypes);
laurent@377: break;
laurent@377:
laurent@377: case pous_gm:
laurent@377: static int configuration_count = 0;
laurent@377:
laurent@377: if (configuration_count++) {
laurent@377: /* the first configuration is the one we will use!! */
msousa@522: STAGE4_ERROR(symbol, symbol, "A previous CONFIGURATION has already been declared (C code generation currently only allows a single configuration).");
laurent@377: ERROR;
laurent@377: }
laurent@377:
laurent@377: current_configuration = symbol;
laurent@377:
laurent@377: {
laurent@377: calculate_common_ticktime_c calculate_common_ticktime;
laurent@377: symbol->accept(calculate_common_ticktime);
laurent@377: common_ticktime = calculate_common_ticktime.get_common_ticktime();
laurent@377: if (common_ticktime == 0) {
msousa@522: STAGE4_ERROR(symbol, symbol, "You must define at least one periodic task (to set cycle period)!");
laurent@377: ERROR;
laurent@377: }
laurent@377:
laurent@377: symbol->configuration_name->accept(*this);
laurent@396:
laurent@377: stage4out_c config_s4o(current_builddir, current_name, "c");
laurent@396: stage4out_c config_incl_s4o(current_builddir, current_name, "h");
laurent@396: generate_c_config_c generate_c_config(&config_s4o, &config_incl_s4o);
laurent@377: symbol->accept(generate_c_config);
laurent@377:
laurent@377: config_s4o.print("unsigned long long common_ticktime__ = ");
laurent@377: config_s4o.print_long_long_integer(common_ticktime);
laurent@377: config_s4o.print("; /*ns*/\n");
laurent@377: config_s4o.print("unsigned long greatest_tick_count__ = ");
laurent@377: config_s4o.print_long_integer(calculate_common_ticktime.get_greatest_tick_count());
laurent@377: config_s4o.print("; /*tick*/\n");
laurent@377: }
laurent@377:
laurent@377: symbol->resource_declarations->accept(*this);
laurent@377:
laurent@377: current_configuration = NULL;
laurent@377: break;
laurent@377:
laurent@377: default:
laurent@377: break;
lbessard@70: }
laurent@377: return NULL;
laurent@377: }
laurent@377:
laurent@377: void *visit(resource_declaration_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case datatypes_gm:
laurent@377: if (symbol->global_var_declarations != NULL)
laurent@377: symbol->global_var_declarations->accept(generate_c_datatypes);
laurent@377: break;
laurent@377: case pous_gm:
laurent@377: symbol->resource_name->accept(*this);
laurent@377: {
laurent@377: stage4out_c resources_s4o(current_builddir, current_name, "c");
laurent@377: generate_c_resources_c generate_c_resources(&resources_s4o, current_configuration, symbol, common_ticktime);
laurent@377: symbol->accept(generate_c_resources);
laurent@377: }
laurent@377: break;
laurent@377: default:
laurent@377: break;
laurent@248: }
ccb@202: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: void *visit(single_resource_declaration_c *symbol) {
laurent@377: switch (current_mode) {
laurent@377: case pous_gm:
laurent@377: {
laurent@377: stage4out_c resources_s4o(current_builddir, "RESOURCE", "c");
laurent@377: generate_c_resources_c generate_c_resources(&resources_s4o, current_configuration, symbol, common_ticktime);
laurent@377: symbol->accept(generate_c_resources);
laurent@377: }
laurent@377: break;
laurent@377: default:
laurent@377: break;
laurent@377: }
ccb@202: return NULL;
lbessard@70: }
lbessard@70:
lbessard@70: };
lbessard@70:
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70: /***********************************************************************/
lbessard@70:
lbessard@70:
lbessard@70:
lbessard@70:
lbessard@70: visitor_c *new_code_generator(stage4out_c *s4o, const char *builddir) {return new generate_c_c(s4o, builddir);}
lbessard@70: void delete_code_generator(visitor_c *code_generator) {delete code_generator;}
lbessard@70:
lbessard@70: