/*
* matiec - a compiler for the programming languages defined in IEC 61131-3
*
* Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt)
* Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* This code is made available on the understanding that it will not be
* used in safety-critical situations without a full and competent review.
*/
class generate_c_configbody_c: public generate_c_base_c {
public:
generate_c_configbody_c(stage4out_c *s4o_ptr)
: generate_c_base_c(s4o_ptr) {
current_resource_name = NULL;
}
virtual ~generate_c_configbody_c(void) {}
private:
/* The name of the resource curretnly being processed... */
symbol_c *current_resource_name;
/********************************/
/* B 1.7 Configuration elements */
/********************************/
public:
/*
CONFIGURATION configuration_name
optional_global_var_declarations
(resource_declaration_list | single_resource_declaration)
optional_access_declarations
optional_instance_specific_initializations
END_CONFIGURATION
*/
/*
SYM_REF6(configuration_declaration_c, configuration_name, global_var_declarations, resource_declarations, access_declarations, instance_specific_initializations, unused)
*/
void *visit(configuration_declaration_c *symbol) {
TRACE("configuration_declaration_c");
symbol->resource_declarations->accept(*this);
return NULL;
}
/* helper symbol for configuration_declaration */
// SYM_LIST(resource_declaration_list_c)
void *visit(resource_declaration_list_c *symbol) {
TRACE("resource_declaration_list_c");
return print_list(symbol);
}
/*
RESOURCE resource_name ON resource_type_name
optional_global_var_declarations
single_resource_declaration
END_RESOURCE
*/
// SYM_REF4(resource_declaration_c, resource_name, resource_type_name, global_var_declarations, resource_declaration)
void *visit(resource_declaration_c *symbol) {
TRACE("resource_declaration_c");
current_resource_name = symbol->resource_name;
symbol->resource_declaration->accept(*this);
current_resource_name = NULL;
return NULL;
}
/* task_configuration_list program_configuration_list */
// SYM_REF2(single_resource_declaration_c, task_configuration_list, program_configuration_list)
void *visit(single_resource_declaration_c *symbol) {
TRACE("single_resource_declaration_c");
symbol->program_configuration_list->accept(*this);
return NULL;
}
/* helper symbol for single_resource_declaration */
//SYM_LIST(task_configuration_list_c)
/* helper symbol for single_resource_declaration */
//SYM_LIST(program_configuration_list_c)
void *visit(program_configuration_list_c *symbol) {
TRACE("program_configuration_list_c");
return print_list(symbol);
}
/* helper symbol for
* - access_path
* - instance_specific_init
*/
//SYM_LIST(any_fb_name_list_c)
/* [resource_name '.'] global_var_name ['.' structure_element_name] */
//SYM_REF4(global_var_reference_c, resource_name, global_var_name, structure_element_name, unused)
/* prev_declared_program_name '.' symbolic_variable */
//SYM_REF2(program_output_reference_c, program_name, symbolic_variable)
/* TASK task_name task_initialization */
//SYM_REF2(task_configuration_c, task_name, task_initialization)
/* '(' [SINGLE ASSIGN data_source ','] [INTERVAL ASSIGN data_source ','] PRIORITY ASSIGN integer ')' */
//SYM_REF4(task_initialization_c, single_data_source, interval_data_source, priority_data_source, unused)
/* PROGRAM [RETAIN | NON_RETAIN] program_name [WITH task_name] ':' program_type_name ['(' prog_conf_elements ')'] */
//SYM_REF6(program_configuration_c, retain_option, program_name, task_name, program_type_name, prog_conf_elements, unused)
void *visit(program_configuration_c *symbol) {
TRACE("program_configuration_c");
s4o.print(s4o.indent_spaces);
if (NULL != current_resource_name) {
current_resource_name->accept(*this);
s4o.print(".");
}
symbol->program_name->accept(*this);
s4o.print(".f();\n");
return NULL;
}
/* prog_conf_elements ',' prog_conf_element */
//SYM_LIST(prog_conf_elements_c)
/* fb_name WITH task_name */
//SYM_REF2(fb_task_c, fb_name, task_name)
// TODO...
/* any_symbolic_variable ASSIGN prog_data_source */
//SYM_REF2(prog_cnxn_assign_c, symbolic_variable, prog_data_source)
/* any_symbolic_variable SENDTO data_sink */
//SYM_REF2(prog_cnxn_sendto_c, symbolic_variable, prog_data_source)
/* VAR_CONFIG instance_specific_init_list END_VAR */
//SYM_REF2(instance_specific_initializations_c, instance_specific_init_list, unused)
/* helper symbol for instance_specific_initializations */
//SYM_LIST(instance_specific_init_list_c)
/* resource_name '.' program_name '.' {fb_name '.'}
((variable_name [location] ':' located_var_spec_init) | (fb_name ':' fb_initialization))
*/
//SYM_REF6(instance_specific_init_c, resource_name, program_name, any_fb_name_list, variable_name, location, initialization)
/* helper symbol for instance_specific_init */
/* function_block_type_name ':=' structure_initialization */
//SYM_REF2(fb_initialization_c, function_block_type_name, structure_initialization)
}; /* generate_c_configbody_c */