author | Edouard TISSERANT <edouard.tisserant@gmail.com> |
Sun, 29 Nov 2009 19:09:56 +0100 | |
changeset 218 | 413842f6152f |
parent 206 | 261beef39000 |
child 221 | c6aed7e5f070 |
permissions | -rw-r--r-- |
111 | 1 |
/* |
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* (c) 2007 Mario de Sousa and Laurent Bessard |
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* |
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* Offered to the public under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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* Public License for more details. |
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* |
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* This code is made available on the understanding that it will not be |
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* used in safety-critical situations without a full and competent review. |
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*/ |
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/* |
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* An IEC 61131-3 IL and ST compiler. |
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* |
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* Based on the |
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* FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10) |
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* |
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*/ |
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/* |
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* This is one of the versions available for the 4th stage. |
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* |
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* This 4th stage generates a c++ source program equivalent |
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* to the IL and ST code. |
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*/ |
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//#include <stdio.h> /* required for NULL */ |
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//#include <string> |
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//#include <iostream> |
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//#include "../../util/symtable.hh" |
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typedef struct |
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{ |
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symbol_c *symbol; |
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} SYMBOL; |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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class generate_var_list_c: protected generate_c_typedecl_c { |
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public: |
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typedef enum { |
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none_dt, |
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programs_dt, |
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variables_dt |
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} declarationtype_t; |
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declarationtype_t current_declarationtype; |
160 | 68 |
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typedef enum { |
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none_vtc, |
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variable_vtc, |
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pointer_vtc, |
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array_vtc, |
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structure_vtc, |
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function_block_vtc |
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} vartypecategory_t; |
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vartypecategory_t current_var_type_category; |
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private: |
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symbol_c *current_var_type_symbol; |
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160 | 82 |
symbol_c *current_var_type_name; |
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unsigned int current_var_number; |
84 |
unsigned int step_number; |
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unsigned int transition_number; |
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unsigned int action_number; |
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bool configuration_defined; |
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std::list<SYMBOL> current_symbol_list; |
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search_base_type_c search_base_type; |
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search_fb_typedecl_c *search_fb_typedecl; |
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public: |
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generate_var_list_c(stage4out_c *s4o_ptr, symbol_c *scope) |
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: generate_c_typedecl_c(s4o_ptr) { |
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search_fb_typedecl = new search_fb_typedecl_c(scope); |
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current_var_number = 0; |
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current_var_type_symbol = current_var_type_name = NULL; |
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current_declarationtype = none_dt; |
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current_var_type_category = none_vtc; |
111 | 100 |
} |
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~generate_var_list_c(void) { |
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delete search_fb_typedecl; |
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} |
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160 | 106 |
void update_var_type_symbol(symbol_c *symbol) { |
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this->current_var_type_name = spec_init_sperator_c::get_spec(symbol); |
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166 | 109 |
if (this->current_var_type_name == NULL) { |
110 |
std::list<SYMBOL>::iterator pt; |
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for(pt = current_symbol_list.begin(); pt != current_symbol_list.end(); pt++) { |
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fprintf(stderr, "%s.", ((identifier_c*)(pt->symbol))->value); |
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} |
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111 | 114 |
ERROR; |
166 | 115 |
} |
111 | 116 |
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160 | 117 |
this->current_var_type_symbol = search_fb_typedecl->get_decl(this->current_var_type_name); |
118 |
if (this->current_var_type_symbol != NULL) |
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this->current_var_type_category = function_block_vtc; |
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else { |
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this->current_var_type_symbol = (symbol_c *)(this->current_var_type_name->accept(search_base_type)); |
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structure_element_declaration_list_c *structure_symbol = dynamic_cast<structure_element_declaration_list_c *>(this->current_var_type_symbol); |
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if (structure_symbol != NULL) |
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this->current_var_type_category = structure_vtc; |
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else |
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this->current_var_type_category = variable_vtc; |
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} |
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111 | 130 |
if (this->current_var_type_symbol == NULL) |
131 |
ERROR; |
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} |
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void reset_var_type_symbol(void) { |
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this->current_var_type_symbol = NULL; |
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} |
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void generate_programs(symbol_c *symbol) { |
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s4o.print("// Programs\n"); |
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current_var_number = 0; |
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configuration_defined = false; |
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current_declarationtype = programs_dt; |
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symbol->accept(*this); |
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current_declarationtype = none_dt; |
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s4o.print("\n"); |
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} |
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void generate_variables(symbol_c *symbol) { |
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s4o.print("// Variables\n"); |
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current_var_number = 0; |
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configuration_defined = false; |
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current_declarationtype = variables_dt; |
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symbol->accept(*this); |
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current_declarationtype = none_dt; |
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s4o.print("\n"); |
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} |
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160 | 158 |
void declare_variables(symbol_c *symbol) { |
111 | 159 |
list_c *list = dynamic_cast<list_c *>(symbol); |
160 |
/* should NEVER EVER occur!! */ |
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if (list == NULL) ERROR; |
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162 |
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163 |
for(int i = 0; i < list->n; i++) { |
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160 | 164 |
declare_variable(list->elements[i]); |
165 |
} |
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} |
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168 |
void declare_variable(symbol_c *symbol) { |
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157 | 169 |
print_var_number(); |
170 |
s4o.print(";"); |
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switch (this->current_var_type_category) { |
172 |
case pointer_vtc: |
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s4o.print("PT"); |
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break; |
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case array_vtc: |
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s4o.print("ARRAY"); |
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break; |
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case structure_vtc: |
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s4o.print("STRUCT"); |
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break; |
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case function_block_vtc: |
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s4o.print("FB"); |
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break; |
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default: |
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s4o.print("VAR"); |
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break; |
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} |
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157 | 188 |
s4o.print(";"); |
189 |
print_symbol_list(); |
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symbol->accept(*this); |
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s4o.print(";"); |
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print_symbol_list(); |
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symbol->accept(*this); |
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s4o.print(";"); |
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160 | 195 |
switch (this->current_var_type_category) { |
196 |
case structure_vtc: |
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case function_block_vtc: |
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this->current_var_type_name->accept(*this); |
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s4o.print(";\n"); |
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SYMBOL *current_name; |
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current_name = new SYMBOL; |
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current_name->symbol = symbol; |
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203 |
current_symbol_list.push_back(*current_name); |
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this->current_var_type_symbol->accept(*this); |
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current_symbol_list.pop_back(); |
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break; |
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207 |
case array_vtc: |
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this->current_var_type_name->accept(*this); |
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s4o.print(";\n"); |
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210 |
break; |
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211 |
default: |
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212 |
this->current_var_type_symbol->accept(*this); |
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s4o.print(";\n"); |
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214 |
break; |
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111 | 215 |
} |
216 |
} |
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217 |
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218 |
void print_var_number(void) { |
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219 |
char str[10]; |
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220 |
sprintf(str, "%d", current_var_number); |
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s4o.print(str); |
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222 |
current_var_number++; |
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223 |
} |
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224 |
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225 |
void print_step_number(void) { |
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226 |
char str[10]; |
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227 |
sprintf(str, "%d", step_number); |
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228 |
s4o.print(str); |
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229 |
} |
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230 |
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231 |
void print_transition_number(void) { |
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232 |
char str[10]; |
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233 |
sprintf(str, "%d", transition_number); |
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234 |
s4o.print(str); |
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235 |
} |
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236 |
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237 |
void print_action_number(void) { |
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238 |
char str[10]; |
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239 |
sprintf(str, "%d", action_number); |
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240 |
s4o.print(str); |
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241 |
} |
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242 |
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243 |
void print_symbol_list(void) { |
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244 |
std::list<SYMBOL>::iterator pt; |
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245 |
for(pt = current_symbol_list.begin(); pt != current_symbol_list.end(); pt++) { |
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246 |
pt->symbol->accept(*this); |
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247 |
s4o.print("."); |
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248 |
} |
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249 |
} |
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/********************************************/ |
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/* B.1.4.3 - Declaration and initialization */ |
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/********************************************/ |
111 | 254 |
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255 |
/* [variable_name] location ':' located_var_spec_init */ |
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256 |
/* variable_name -> may be NULL ! */ |
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257 |
//SYM_REF4(located_var_decl_c, variable_name, location, located_var_spec_init, unused) |
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258 |
void *visit(located_var_decl_c *symbol) { |
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259 |
/* Start off by setting the current_var_type_symbol and |
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260 |
* current_var_init_symbol private variables... |
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261 |
*/ |
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262 |
update_var_type_symbol(symbol->located_var_spec_init); |
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263 |
||
160 | 264 |
if (symbol->variable_name != NULL) { |
265 |
this->current_var_type_category = pointer_vtc; |
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266 |
declare_variable(symbol->variable_name); |
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267 |
} |
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111 | 268 |
|
269 |
current_var_type_symbol = NULL; |
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270 |
return NULL; |
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271 |
} |
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272 |
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273 |
/* var1_list ':' array_spec_init */ |
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274 |
// SYM_REF2(array_var_init_decl_c, var1_list, array_spec_init) |
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275 |
void *visit(array_var_init_decl_c *symbol) { |
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276 |
TRACE("array_var_init_decl_c"); |
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277 |
/* Start off by setting the current_var_type_symbol and |
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278 |
* current_var_init_symbol private variables... |
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279 |
*/ |
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280 |
update_var_type_symbol(symbol->array_spec_init); |
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160 | 281 |
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282 |
this->current_var_type_category = array_vtc; |
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111 | 283 |
declare_variables(symbol->var1_list); |
284 |
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285 |
/* Values no longer in scope, and therefore no longer used. |
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286 |
* Make an effort to keep them set to NULL when not in use |
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287 |
* in order to catch bugs as soon as possible... |
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288 |
*/ |
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289 |
reset_var_type_symbol(); |
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290 |
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291 |
return NULL; |
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292 |
} |
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293 |
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294 |
/* var1_list ':' initialized_structure */ |
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295 |
// SYM_REF2(structured_var_init_decl_c, var1_list, initialized_structure) |
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296 |
void *visit(structured_var_init_decl_c *symbol) { |
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297 |
TRACE("structured_var_init_decl_c"); |
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298 |
/* Please read the comments inside the var1_init_decl_c |
|
299 |
* visitor, as they apply here too. |
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300 |
*/ |
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301 |
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302 |
/* Start off by setting the current_var_type_symbol and |
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303 |
* current_var_init_symbol private variables... |
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304 |
*/ |
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305 |
update_var_type_symbol(symbol->initialized_structure); |
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306 |
||
307 |
/* now to produce the c equivalent... */ |
|
308 |
declare_variables(symbol->var1_list); |
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309 |
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310 |
/* Values no longer in scope, and therefore no longer used. |
|
311 |
* Make an effort to keep them set to NULL when not in use |
|
312 |
* in order to catch bugs as soon as possible... |
|
313 |
*/ |
|
314 |
reset_var_type_symbol(); |
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315 |
||
316 |
return NULL; |
|
317 |
} |
|
318 |
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319 |
/* fb_name_list ':' function_block_type_name ASSIGN structure_initialization */ |
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320 |
/* structure_initialization -> may be NULL ! */ |
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321 |
void *visit(fb_name_decl_c *symbol) { |
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322 |
TRACE("fb_name_decl_c"); |
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323 |
/* Please read the comments inside the var1_init_decl_c |
|
324 |
* visitor, as they apply here too. |
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325 |
*/ |
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326 |
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327 |
/* Start off by setting the current_var_type_symbol and |
|
328 |
* current_var_init_symbol private variables... |
|
329 |
*/ |
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160 | 330 |
update_var_type_symbol(symbol); |
111 | 331 |
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332 |
/* now to produce the c equivalent... */ |
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160 | 333 |
declare_variables(symbol->fb_name_list); |
111 | 334 |
|
335 |
/* Values no longer in scope, and therefore no longer used. |
|
336 |
* Make an effort to keep them set to NULL when not in use |
|
337 |
* in order to catch bugs as soon as possible... |
|
338 |
*/ |
|
339 |
reset_var_type_symbol(); |
|
340 |
||
341 |
return NULL; |
|
342 |
} |
|
343 |
||
344 |
/* global_var_name ':' (simple_specification|subrange_specification|enumerated_specification|array_specification|prev_declared_structure_type_name|function_block_type_name */ |
|
345 |
//SYM_REF2(external_declaration_c, global_var_name, specification) |
|
346 |
void *visit(external_declaration_c *symbol) { |
|
347 |
TRACE("external_declaration_c"); |
|
348 |
/* Please read the comments inside the var1_init_decl_c |
|
349 |
* visitor, as they apply here too. |
|
350 |
*/ |
|
351 |
||
352 |
/* Start off by setting the current_var_type_symbol and |
|
353 |
* current_var_init_symbol private variables... |
|
354 |
*/ |
|
166 | 355 |
update_var_type_symbol(symbol->specification); |
160 | 356 |
|
357 |
/* now to produce the c equivalent... */ |
|
358 |
if (this->current_var_type_category == variable_vtc) |
|
359 |
this->current_var_type_category = pointer_vtc; |
|
360 |
declare_variable(symbol->global_var_name); |
|
111 | 361 |
|
362 |
/* Values no longer in scope, and therefore no longer used. |
|
363 |
* Make an effort to keep them set to NULL when not in use |
|
364 |
* in order to catch bugs as soon as possible... |
|
365 |
*/ |
|
366 |
reset_var_type_symbol(); |
|
367 |
||
368 |
return NULL; |
|
369 |
} |
|
370 |
||
371 |
/*| global_var_spec ':' [located_var_spec_init|function_block_type_name] */ |
|
372 |
/* type_specification ->may be NULL ! */ |
|
373 |
// SYM_REF2(global_var_decl_c, global_var_spec, type_specification) |
|
374 |
void *visit(global_var_decl_c *symbol) { |
|
375 |
TRACE("global_var_decl_c"); |
|
376 |
/* Please read the comments inside the var1_init_decl_c |
|
377 |
* visitor, as they apply here too. |
|
378 |
*/ |
|
379 |
||
380 |
/* Start off by setting the current_var_type_symbol and |
|
381 |
* current_var_init_symbol private variables... |
|
382 |
*/ |
|
383 |
update_var_type_symbol(symbol->type_specification); |
|
384 |
||
385 |
/* now to produce the c equivalent... */ |
|
386 |
symbol->global_var_spec->accept(*this); |
|
387 |
||
388 |
/* Values no longer in scope, and therefore no longer used. |
|
389 |
* Make an effort to keep them set to NULL when not in use |
|
390 |
* in order to catch bugs as soon as possible... |
|
391 |
*/ |
|
392 |
reset_var_type_symbol(); |
|
393 |
||
394 |
return NULL; |
|
395 |
} |
|
396 |
||
397 |
void *visit(global_var_list_c *symbol) { |
|
398 |
declare_variables(symbol); |
|
399 |
return NULL; |
|
400 |
} |
|
401 |
||
402 |
/*| global_var_name location */ |
|
403 |
// SYM_REF2(global_var_spec_c, global_var_name, location) |
|
404 |
void *visit(global_var_spec_c *symbol) { |
|
195
66d501d7b67d
Fix segmentation fault when define global with location but no name (reported by brendan)
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diff
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|
405 |
if (symbol->global_var_name != NULL) { |
160 | 406 |
this->current_var_type_category = pointer_vtc; |
407 |
declare_variable(symbol->global_var_name); |
|
195
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Fix segmentation fault when define global with location but no name (reported by brendan)
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|
408 |
} |
111 | 409 |
return NULL; |
410 |
} |
|
411 |
||
412 |
void *visit(var1_init_decl_c *symbol) { |
|
413 |
TRACE("var1_init_decl_c"); |
|
414 |
||
415 |
/* Start off by setting the current_var_type_symbol and |
|
416 |
* current_var_init_symbol private variables... |
|
417 |
*/ |
|
418 |
update_var_type_symbol(symbol->spec_init); |
|
419 |
||
420 |
/* now to produce the c equivalent... */ |
|
421 |
declare_variables(symbol->var1_list); |
|
422 |
||
423 |
/* Values no longer in scope, and therefore no longer used. |
|
424 |
* Make an effort to keep them set to NULL when not in use |
|
425 |
* in order to catch bugs as soon as possible... |
|
426 |
*/ |
|
427 |
reset_var_type_symbol(); |
|
428 |
||
429 |
return NULL; |
|
430 |
} |
|
431 |
||
206
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Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
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diff
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|
432 |
void *visit(en_param_declaration_c *symbol) { |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
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195
diff
changeset
|
433 |
TRACE("en_param_declaration_c"); |
261beef39000
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laurent
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195
diff
changeset
|
434 |
|
261beef39000
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laurent
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195
diff
changeset
|
435 |
/* Start off by setting the current_var_type_symbol and |
261beef39000
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laurent
parents:
195
diff
changeset
|
436 |
* current_var_init_symbol private variables... |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
437 |
*/ |
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laurent
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195
diff
changeset
|
438 |
this->current_var_type_symbol = symbol->type; |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
439 |
|
261beef39000
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laurent
parents:
195
diff
changeset
|
440 |
/* now to produce the c equivalent... */ |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
441 |
declare_variable(symbol->name); |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
442 |
|
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
443 |
/* Values no longer in scope, and therefore no longer used. |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
444 |
* Make an effort to keep them set to NULL when not in use |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
445 |
* in order to catch bugs as soon as possible... |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
446 |
*/ |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
447 |
reset_var_type_symbol(); |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
448 |
|
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
449 |
return NULL; |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
450 |
} |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
451 |
|
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
452 |
void *visit(eno_param_declaration_c *symbol) { |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
453 |
TRACE("eno_param_declaration_c"); |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
454 |
|
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
455 |
/* Start off by setting the current_var_type_symbol and |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
456 |
* current_var_init_symbol private variables... |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
457 |
*/ |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
458 |
this->current_var_type_symbol = symbol->type; |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
459 |
|
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
460 |
/* now to produce the c equivalent... */ |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
461 |
declare_variable(symbol->name); |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
462 |
|
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
463 |
/* Values no longer in scope, and therefore no longer used. |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
464 |
* Make an effort to keep them set to NULL when not in use |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
465 |
* in order to catch bugs as soon as possible... |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
466 |
*/ |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
467 |
reset_var_type_symbol(); |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
468 |
|
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
469 |
return NULL; |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
470 |
} |
261beef39000
Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed
laurent
parents:
195
diff
changeset
|
471 |
|
121
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
472 |
/********************************/ |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
473 |
/* B 1.3.3 - Derived data types */ |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
474 |
/********************************/ |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
475 |
void *visit(data_type_declaration_c *symbol) { |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
476 |
return NULL; |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
477 |
} |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
478 |
|
160 | 479 |
void *visit(structure_element_declaration_list_c *symbol) { |
480 |
for(int i = 0; i < symbol->n; i++) { |
|
481 |
symbol->elements[i]->accept(*this); |
|
482 |
} |
|
483 |
return NULL; |
|
484 |
} |
|
485 |
||
486 |
void *visit(structure_element_declaration_c *symbol) { |
|
487 |
/* Start off by setting the current_var_type_symbol and |
|
488 |
* current_var_init_symbol private variables... |
|
489 |
*/ |
|
490 |
update_var_type_symbol(symbol->spec_init); |
|
491 |
||
492 |
/* now to produce the c equivalent... */ |
|
493 |
declare_variable(symbol->structure_element_name); |
|
494 |
||
495 |
/* Values no longer in scope, and therefore no longer used. |
|
496 |
* Make an effort to keep them set to NULL when not in use |
|
497 |
* in order to catch bugs as soon as possible... |
|
498 |
*/ |
|
499 |
reset_var_type_symbol(); |
|
500 |
||
501 |
return NULL; |
|
502 |
} |
|
503 |
||
111 | 504 |
/**************************************/ |
505 |
/* B.1.5 - Program organization units */ |
|
506 |
/**************************************/ |
|
507 |
||
121
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
115
diff
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|
508 |
/***********************/ |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
509 |
/* B 1.5.1 - Functions */ |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
510 |
/***********************/ |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
511 |
void *visit(function_declaration_c *symbol) { |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
512 |
return NULL; |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
513 |
} |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
514 |
|
111 | 515 |
/*****************************/ |
516 |
/* B 1.5.2 - Function Blocks */ |
|
517 |
/*****************************/ |
|
518 |
void *visit(function_block_declaration_c *symbol) { |
|
121
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
519 |
if (current_declarationtype == variables_dt && configuration_defined) { |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
520 |
symbol->var_declarations->accept(*this); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
521 |
symbol->fblock_body->accept(*this); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
522 |
} |
111 | 523 |
return NULL; |
524 |
} |
|
525 |
||
526 |
/**********************/ |
|
527 |
/* B 1.5.3 - Programs */ |
|
528 |
/**********************/ |
|
529 |
void *visit(program_declaration_c *symbol) { |
|
121
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
530 |
if (current_declarationtype == variables_dt && configuration_defined) { |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
531 |
symbol->var_declarations->accept(*this); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
532 |
symbol->function_block_body->accept(*this); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
533 |
} |
111 | 534 |
return NULL; |
535 |
} |
|
536 |
||
537 |
/**********************************************/ |
|
538 |
/* B 1.6 - Sequential function chart elements */ |
|
539 |
/**********************************************/ |
|
540 |
||
541 |
/* | sequential_function_chart sfc_network */ |
|
542 |
//SYM_LIST(sequential_function_chart_c) |
|
543 |
void *visit(sequential_function_chart_c *symbol) { |
|
544 |
step_number = 0; |
|
545 |
transition_number = 0; |
|
546 |
action_number = 0; |
|
547 |
for(int i = 0; i < symbol->n; i++) { |
|
548 |
symbol->elements[i]->accept(*this); |
|
549 |
} |
|
550 |
return NULL; |
|
551 |
} |
|
552 |
||
553 |
/* INITIAL_STEP step_name ':' action_association_list END_STEP */ |
|
554 |
//SYM_REF2(initial_step_c, step_name, action_association_list) |
|
555 |
void *visit(initial_step_c *symbol) { |
|
556 |
print_var_number(); |
|
115
3dd564ff94e4
Adding support to distinguish direct variables and pointed variables
lbessard
parents:
111
diff
changeset
|
557 |
s4o.print(";VAR;"); |
111 | 558 |
print_symbol_list(); |
559 |
symbol->step_name->accept(*this); |
|
560 |
s4o.print(".X;"); |
|
561 |
print_symbol_list(); |
|
141 | 562 |
s4o.print("__step_list["); |
111 | 563 |
print_step_number(); |
564 |
s4o.print("].state;STEP;\n"); |
|
565 |
step_number++; |
|
566 |
return NULL; |
|
567 |
} |
|
568 |
||
569 |
/* STEP step_name ':' action_association_list END_STEP */ |
|
570 |
//SYM_REF2(step_c, step_name, action_association_list) |
|
571 |
void *visit(step_c *symbol) { |
|
572 |
print_var_number(); |
|
115
3dd564ff94e4
Adding support to distinguish direct variables and pointed variables
lbessard
parents:
111
diff
changeset
|
573 |
s4o.print(";VAR;"); |
111 | 574 |
print_symbol_list(); |
575 |
symbol->step_name->accept(*this); |
|
576 |
s4o.print(".X;"); |
|
577 |
print_symbol_list(); |
|
141 | 578 |
s4o.print("__step_list["); |
111 | 579 |
print_step_number(); |
580 |
s4o.print("].state;STEP;\n"); |
|
581 |
step_number++; |
|
582 |
return NULL; |
|
583 |
} |
|
584 |
||
585 |
/* TRANSITION [transition_name] ['(' PRIORITY ASSIGN integer ')'] |
|
586 |
* FROM steps TO steps |
|
587 |
* transition_condition |
|
588 |
* END_TRANSITION |
|
589 |
*/ |
|
590 |
/* transition_name -> may be NULL ! */ |
|
591 |
/* integer -> may be NULL ! */ |
|
592 |
//SYM_REF5(transition_c, transition_name, integer, from_steps, to_steps, transition_condition) |
|
593 |
void *visit(transition_c *symbol) { |
|
594 |
print_var_number(); |
|
115
3dd564ff94e4
Adding support to distinguish direct variables and pointed variables
lbessard
parents:
111
diff
changeset
|
595 |
s4o.print(";VAR;"); |
111 | 596 |
print_symbol_list(); |
597 |
symbol->from_steps->accept(*this); |
|
598 |
s4o.print("->"); |
|
599 |
symbol->to_steps->accept(*this); |
|
600 |
s4o.print(";"); |
|
601 |
print_symbol_list(); |
|
141 | 602 |
s4o.print("__debug_transition_list["); |
111 | 603 |
print_transition_number(); |
604 |
s4o.print("];TRANSITION;\n"); |
|
605 |
transition_number++; |
|
606 |
return NULL; |
|
607 |
} |
|
608 |
||
609 |
/* step_name | '(' step_name_list ')' */ |
|
610 |
/* step_name -> may be NULL ! */ |
|
611 |
/* step_name_list -> may be NULL ! */ |
|
612 |
//SYM_REF2(steps_c, step_name, step_name_list) |
|
613 |
void *visit(steps_c *symbol) { |
|
614 |
if (symbol->step_name != NULL) |
|
615 |
symbol->step_name->accept(*this); |
|
616 |
if (symbol->step_name_list != NULL) |
|
617 |
symbol->step_name_list->accept(*this); |
|
618 |
return NULL; |
|
619 |
} |
|
620 |
||
621 |
/* | step_name_list ',' step_name */ |
|
622 |
//SYM_LIST(step_name_list_c) |
|
623 |
void *visit(step_name_list_c *symbol) { |
|
624 |
for(int i = 0; i < symbol->n; i++) { |
|
625 |
symbol->elements[i]->accept(*this); |
|
626 |
if (i < symbol->n - 1) |
|
627 |
s4o.print(","); |
|
628 |
} |
|
629 |
return NULL; |
|
630 |
} |
|
631 |
||
632 |
/* ACTION action_name ':' function_block_body END_ACTION */ |
|
633 |
//SYM_REF2(action_c, action_name, function_block_body) |
|
634 |
void *visit(action_c *symbol) { |
|
635 |
print_var_number(); |
|
115
3dd564ff94e4
Adding support to distinguish direct variables and pointed variables
lbessard
parents:
111
diff
changeset
|
636 |
s4o.print(";VAR;"); |
111 | 637 |
print_symbol_list(); |
638 |
symbol->action_name->accept(*this); |
|
639 |
s4o.print(".Q;"); |
|
640 |
print_symbol_list(); |
|
141 | 641 |
s4o.print("__action_list["); |
111 | 642 |
print_action_number(); |
643 |
s4o.print("].state;ACTION;\n"); |
|
644 |
action_number++; |
|
645 |
return NULL; |
|
646 |
} |
|
647 |
||
648 |
||
649 |
/**************************************/ |
|
650 |
/* B.1.7 - Configuration elements */ |
|
651 |
/**************************************/ |
|
652 |
||
653 |
/* PROGRAM [RETAIN | NON_RETAIN] program_name [WITH task_name] ':' program_type_name ['(' prog_conf_elements ')'] */ |
|
654 |
//SYM_REF6(program_configuration_c, retain_option, program_name, task_name, program_type_name, prog_conf_elements, unused) |
|
655 |
void *visit(program_configuration_c *symbol) { |
|
656 |
||
121
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
115
diff
changeset
|
657 |
switch (current_declarationtype) { |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
658 |
case programs_dt: |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
659 |
print_var_number(); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
660 |
s4o.print(";"); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
661 |
print_symbol_list(); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
662 |
symbol->program_name->accept(*this); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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diff
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|
663 |
s4o.print(";"); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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diff
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|
664 |
symbol->program_type_name->accept(*this); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
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diff
changeset
|
665 |
s4o.print(";\n"); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
115
diff
changeset
|
666 |
break; |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
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diff
changeset
|
667 |
case variables_dt: |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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diff
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|
668 |
/* Start off by setting the current_var_type_symbol and |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
115
diff
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|
669 |
* current_var_init_symbol private variables... |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
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diff
changeset
|
670 |
*/ |
160 | 671 |
update_var_type_symbol(symbol->program_type_name); |
121
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
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|
672 |
|
160 | 673 |
declare_variable(symbol->program_name); |
121
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
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diff
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|
674 |
|
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
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diff
changeset
|
675 |
/* Values no longer in scope, and therefore no longer used. |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
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diff
changeset
|
676 |
* Make an effort to keep them set to NULL when not in use |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
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diff
changeset
|
677 |
* in order to catch bugs as soon as possible... |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
115
diff
changeset
|
678 |
*/ |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
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diff
changeset
|
679 |
reset_var_type_symbol(); |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
680 |
|
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
681 |
break; |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
682 |
default: |
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
683 |
break; |
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
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diff
changeset
|
684 |
} |
111 | 685 |
|
686 |
return NULL; |
|
687 |
} |
|
688 |
||
689 |
/* CONFIGURATION configuration_name |
|
690 |
* optional_global_var_declarations |
|
691 |
* (resource_declaration_list | single_resource_declaration) |
|
692 |
* optional_access_declarations |
|
693 |
* optional_instance_specific_initializations |
|
694 |
* END_CONFIGURATION |
|
695 |
*/ |
|
696 |
//SYM_REF5(configuration_declaration_c, configuration_name, global_var_declarations, resource_declarations, access_declarations, instance_specific_initializations) |
|
697 |
void *visit(configuration_declaration_c *symbol) { |
|
698 |
SYMBOL *current_name; |
|
699 |
current_name = new SYMBOL; |
|
700 |
current_name->symbol = symbol->configuration_name; |
|
701 |
current_symbol_list.push_back(*current_name); |
|
121
9e8ce092e169
Adding support for POU struct definition in POUS.h
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parents:
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diff
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|
702 |
configuration_defined = true; |
135
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
703 |
|
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
704 |
switch (current_declarationtype) { |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
705 |
case variables_dt: |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
706 |
if (symbol->global_var_declarations != NULL) |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
707 |
symbol->global_var_declarations->accept(*this); |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
708 |
break; |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
709 |
default: |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
710 |
break; |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
711 |
} |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
712 |
|
111 | 713 |
symbol->resource_declarations->accept(*this); |
714 |
current_symbol_list.pop_back(); |
|
121
9e8ce092e169
Adding support for POU struct definition in POUS.h
lbessard
parents:
115
diff
changeset
|
715 |
configuration_defined = false; |
111 | 716 |
return NULL; |
717 |
} |
|
718 |
||
719 |
/* RESOURCE resource_name ON resource_type_name |
|
720 |
* optional_global_var_declarations |
|
721 |
* single_resource_declaration |
|
722 |
* END_RESOURCE |
|
723 |
*/ |
|
724 |
//SYM_REF4(resource_declaration_c, resource_name, resource_type_name, global_var_declarations, resource_declaration) |
|
725 |
void *visit(resource_declaration_c *symbol) { |
|
726 |
SYMBOL *current_name; |
|
727 |
current_name = new SYMBOL; |
|
728 |
current_name->symbol = symbol->resource_name; |
|
729 |
current_symbol_list.push_back(*current_name); |
|
135
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
730 |
|
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
731 |
switch (current_declarationtype) { |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
732 |
case variables_dt: |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
733 |
if (symbol->global_var_declarations != NULL) |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
734 |
symbol->global_var_declarations->accept(*this); |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
735 |
break; |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
736 |
default: |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
737 |
break; |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
738 |
} |
0f3f6714b938
Fixed generation of VARIABLES.csv, some variables appeared in program section
etisserant
parents:
121
diff
changeset
|
739 |
|
111 | 740 |
|
741 |
symbol->resource_declaration->accept(*this); |
|
742 |
||
743 |
current_symbol_list.pop_back(); |
|
744 |
return NULL; |
|
745 |
} |
|
746 |
||
747 |
/* task_configuration_list program_configuration_list */ |
|
748 |
//SYM_REF2(single_resource_declaration_c, task_configuration_list, program_configuration_list) |
|
749 |
void *visit(single_resource_declaration_c *symbol) { |
|
750 |
symbol->program_configuration_list->accept(*this); |
|
751 |
return NULL; |
|
752 |
} |
|
753 |
||
754 |
||
755 |
/*************************************/ |
|
756 |
/* B 2.1 - Instructions and operands */ |
|
757 |
/*************************************/ |
|
758 |
void *visit(instruction_list_c *symbol) { |
|
759 |
return NULL; |
|
760 |
} |
|
761 |
||
762 |
/************************/ |
|
763 |
/* B 3.2 - Statements */ |
|
764 |
/************************/ |
|
765 |
void *visit(statement_list_c *symbol) { |
|
766 |
return NULL; |
|
767 |
} |
|
768 |
||
769 |
}; |