author | lbessard |
Tue, 29 May 2007 09:45:50 +0200 | |
changeset 31 | c6959b0f539d |
parent 22 | 08bcc40be1fa |
child 49 | c96d1a4c23f8 |
permissions | -rw-r--r-- |
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/* |
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* (c) 2007 Mario de Sousa, 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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* Conversion of sfc networks (i.e. SFC code). |
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* |
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* This is part of the 4th stage that generates |
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* a c++ source program equivalent to the SFC, IL and ST |
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* code. |
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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_cc_sfc_steptable_c: public generate_cc_base_c { |
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private: |
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char step_number; |
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public: |
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generate_cc_sfc_steptable_c(stage4out_c *s4o_ptr): generate_cc_base_c(s4o_ptr) {} |
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~generate_cc_sfc_steptable_c(void) {} |
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void reset_step_number(void) {step_number = 0;} |
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void print_step_number(void) { |
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char str[10]; |
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sprintf(str, "%d", step_number); |
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s4o.print(str); |
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} |
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/*********************************************/ |
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/* B.1.6 Sequential function chart elements */ |
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/*********************************************/ |
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void *visit(initial_step_c *symbol) { |
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if (step_number > 0) { |
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s4o.print(",\n"); |
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} |
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s4o.print(s4o.indent_spaces + "{1, 0, 0}"); |
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step_number++; |
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return NULL; |
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} |
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void *visit(step_c *symbol) { |
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if (step_number > 0) { |
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s4o.print(",\n"); |
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} |
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s4o.print(s4o.indent_spaces + "{0, 0, 0}"); |
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step_number++; |
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return NULL; |
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} |
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void *visit(transition_c *symbol) {return NULL;} |
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void *visit(action_c *symbol) {return NULL;} |
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}; /* generate_cc_sfc_steptable_c */ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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class generate_cc_sfc_actiontable_c: public generate_cc_base_c { |
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private: |
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char action_number; |
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public: |
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generate_cc_sfc_actiontable_c(stage4out_c *s4o_ptr): generate_cc_base_c(s4o_ptr) {} |
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~generate_cc_sfc_actiontable_c(void) {} |
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void reset_action_number(void) {action_number = 0;} |
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void print_action_number(void) { |
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char str[10]; |
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sprintf(str, "%d", action_number); |
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s4o.print(str); |
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} |
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/*********************************************/ |
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/* B.1.6 Sequential function chart elements */ |
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/*********************************************/ |
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void *visit(initial_step_c *symbol) {return NULL;} |
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void *visit(step_c *symbol) {return NULL;} |
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void *visit(transition_c *symbol) {return NULL;} |
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void *visit(action_c *symbol) { |
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if (action_number > 0) { |
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s4o.print(",\n"); |
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} |
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s4o.print(s4o.indent_spaces + "{0, 0, 0, 0, 0, 0}"); |
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action_number++; |
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return NULL; |
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} |
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}; /* generate_cc_sfc_actiontable_c */ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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class generate_cc_sfc_transitiontable_c: public generate_cc_base_c { |
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private: |
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char transition_number; |
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public: |
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generate_cc_sfc_transitiontable_c(stage4out_c *s4o_ptr): generate_cc_base_c(s4o_ptr) {} |
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~generate_cc_sfc_transitiontable_c(void) {} |
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void reset_transition_number(void) {transition_number = 0;} |
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void print_transition_number(void) { |
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char str[10]; |
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sprintf(str, "%d", transition_number); |
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s4o.print(str); |
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} |
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/*********************************************/ |
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/* B.1.6 Sequential function chart elements */ |
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/*********************************************/ |
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void *visit(initial_step_c *symbol) {return NULL;} |
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void *visit(step_c *symbol) {return NULL;} |
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void *visit(transition_c *symbol) { |
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transition_number++; |
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return NULL; |
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} |
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void *visit(action_c *symbol) {return NULL;} |
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}; /* generate_cc_sfc_steptable_c */ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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class generate_cc_sfctables_c: public iterator_visitor_c { |
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protected: |
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stage4out_c &s4o; |
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private: |
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generate_cc_sfc_steptable_c *generate_cc_sfc_steptable; |
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generate_cc_sfc_actiontable_c *generate_cc_sfc_actiontable; |
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generate_cc_sfc_transitiontable_c *generate_cc_sfc_transitiontable; |
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public: |
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generate_cc_sfctables_c(stage4out_c *s4o_ptr) : s4o(*s4o_ptr) { |
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generate_cc_sfc_steptable = new generate_cc_sfc_steptable_c(s4o_ptr); |
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generate_cc_sfc_actiontable = new generate_cc_sfc_actiontable_c(s4o_ptr); |
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generate_cc_sfc_transitiontable = new generate_cc_sfc_transitiontable_c(s4o_ptr); |
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} |
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virtual ~generate_cc_sfctables_c(void) { |
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delete generate_cc_sfc_steptable; |
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delete generate_cc_sfc_actiontable; |
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delete generate_cc_sfc_transitiontable; |
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} |
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public: |
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/* generate steps and actions tables */ |
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void *visit(sequential_function_chart_c *symbol) { |
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/* generate steps table */ |
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generate_cc_sfc_steptable->reset_step_number(); |
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s4o.print(s4o.indent_spaces + "STEP step_list[] = {\n"); |
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s4o.indent_right(); |
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symbol->accept(*generate_cc_sfc_steptable); |
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s4o.indent_left(); |
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s4o.print("\n" + s4o.indent_spaces + "};\n" + s4o.indent_spaces + "nb_steps = "); |
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generate_cc_sfc_steptable->print_step_number(); |
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s4o.print(";\n"); |
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/* generate actions table */ |
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generate_cc_sfc_actiontable->reset_action_number(); |
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s4o.print(s4o.indent_spaces + "ACTION action_list[] = {\n"); |
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s4o.indent_right(); |
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symbol->accept(*generate_cc_sfc_actiontable); |
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s4o.indent_left(); |
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s4o.print("\n" + s4o.indent_spaces + "};\n" + s4o.indent_spaces + "nb_actions = "); |
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generate_cc_sfc_actiontable->print_action_number(); |
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s4o.print(";\n"); |
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/* generate transitions table */ |
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generate_cc_sfc_transitiontable->reset_transition_number(); |
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symbol->accept(*generate_cc_sfc_transitiontable); |
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s4o.print(s4o.indent_spaces + "char transition_list["); |
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generate_cc_sfc_transitiontable->print_transition_number(); |
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s4o.print("];\n"); |
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return NULL; |
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} |
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/***********************************/ |
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/* B 2.1 Instructions and Operands */ |
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/***********************************/ |
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/*| instruction_list il_instruction */ |
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void *visit(instruction_list_c *symbol) {return NULL;} |
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/***************************************/ |
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/* B.3 - Language ST (Structured Text) */ |
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/***************************************/ |
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/********************/ |
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/* B 3.2 Statements */ |
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/********************/ |
18 | 246 |
void *visit(statement_list_c *symbol) {return NULL;} |
17
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/* Remainder implemented in generate_cc_sfcdecl_c... */ |
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}; |
18 | 250 |
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254 |
/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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258 |
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class generate_cc_sfc_stepdecl_c: public generate_cc_base_c { |
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private: |
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char step_number; |
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263 |
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public: |
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generate_cc_sfc_stepdecl_c(stage4out_c *s4o_ptr): generate_cc_base_c(s4o_ptr) {} |
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~generate_cc_sfc_stepdecl_c(void) {} |
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||
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void reset_step_number(void) {step_number = 0;} |
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void print_step_number(void) { |
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char str[10]; |
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sprintf(str, "%d", step_number); |
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s4o.print(str); |
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} |
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||
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/*********************************************/ |
|
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/* B.1.6 Sequential function chart elements */ |
|
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/*********************************************/ |
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||
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void *visit(initial_step_c *symbol) { |
|
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s4o.print("#define "); |
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s4o.print(SFC_STEP_ACTION_PREFIX); |
|
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symbol->step_name->accept(*this); |
|
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s4o.print(" "); |
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print_step_number(); |
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s4o.print("\n"); |
|
286 |
step_number++; |
|
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return NULL; |
|
288 |
} |
|
289 |
||
290 |
void *visit(step_c *symbol) { |
|
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s4o.print("#define "); |
|
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s4o.print(SFC_STEP_ACTION_PREFIX); |
|
293 |
symbol->step_name->accept(*this); |
|
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s4o.print(" "); |
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print_step_number(); |
|
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s4o.print("\n"); |
|
297 |
step_number++; |
|
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return NULL; |
|
299 |
} |
|
300 |
||
301 |
void *visit(transition_c *symbol) {return NULL;} |
|
302 |
||
303 |
void *visit(action_c *symbol) {return NULL;} |
|
304 |
||
305 |
}; /* generate_cc_sfc_stepdecl_c */ |
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306 |
||
307 |
||
308 |
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309 |
||
310 |
/***********************************************************************/ |
|
311 |
/***********************************************************************/ |
|
312 |
/***********************************************************************/ |
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313 |
/***********************************************************************/ |
|
314 |
||
315 |
class generate_cc_sfc_actiondecl_c: public generate_cc_base_c { |
|
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||
317 |
private: |
|
318 |
char action_number; |
|
319 |
||
320 |
public: |
|
321 |
generate_cc_sfc_actiondecl_c(stage4out_c *s4o_ptr): generate_cc_base_c(s4o_ptr) {} |
|
322 |
~generate_cc_sfc_actiondecl_c(void) {} |
|
323 |
||
324 |
void reset_action_number(void) {action_number = 0;} |
|
325 |
void print_action_number(void) { |
|
326 |
char str[10]; |
|
327 |
sprintf(str, "%d", action_number); |
|
328 |
s4o.print(str); |
|
329 |
} |
|
330 |
||
331 |
/*********************************************/ |
|
332 |
/* B.1.6 Sequential function chart elements */ |
|
333 |
/*********************************************/ |
|
334 |
||
335 |
void *visit(initial_step_c *symbol) {return NULL;} |
|
336 |
||
337 |
void *visit(step_c *symbol) {return NULL;} |
|
338 |
||
339 |
void *visit(transition_c *symbol) {return NULL;} |
|
340 |
||
341 |
void *visit(action_c *symbol) { |
|
342 |
s4o.print("#define "); |
|
343 |
s4o.print(SFC_STEP_ACTION_PREFIX); |
|
344 |
symbol->action_name->accept(*this); |
|
345 |
s4o.print(" "); |
|
346 |
print_action_number(); |
|
347 |
s4o.print("\n"); |
|
348 |
action_number++; |
|
349 |
return NULL; |
|
350 |
} |
|
351 |
||
352 |
}; /* generate_cc_sfc_actiondecl_c */ |
|
353 |
||
354 |
||
355 |
||
356 |
||
357 |
/***********************************************************************/ |
|
358 |
/***********************************************************************/ |
|
359 |
/***********************************************************************/ |
|
360 |
/***********************************************************************/ |
|
361 |
||
362 |
class generate_cc_sfcdecl_c: public iterator_visitor_c { |
|
363 |
||
364 |
protected: |
|
365 |
stage4out_c &s4o; |
|
366 |
||
367 |
private: |
|
368 |
generate_cc_sfc_stepdecl_c *generate_cc_sfc_stepdecl; |
|
369 |
generate_cc_sfc_actiondecl_c *generate_cc_sfc_actiondecl; |
|
370 |
||
371 |
public: |
|
372 |
generate_cc_sfcdecl_c(stage4out_c *s4o_ptr) : s4o(*s4o_ptr) { |
|
373 |
generate_cc_sfc_stepdecl = new generate_cc_sfc_stepdecl_c(s4o_ptr); |
|
374 |
generate_cc_sfc_actiondecl = new generate_cc_sfc_actiondecl_c(s4o_ptr); |
|
375 |
} |
|
376 |
||
377 |
virtual ~generate_cc_sfcdecl_c(void) { |
|
378 |
delete generate_cc_sfc_stepdecl; |
|
379 |
delete generate_cc_sfc_actiondecl; |
|
380 |
} |
|
381 |
||
382 |
public: |
|
383 |
||
384 |
/* generate steps and actions tables */ |
|
385 |
void *visit(sequential_function_chart_c *symbol) { |
|
386 |
/* generate steps definitions */ |
|
387 |
generate_cc_sfc_stepdecl->reset_step_number(); |
|
388 |
s4o.print("// Steps definitions\n"); |
|
389 |
symbol->accept(*generate_cc_sfc_stepdecl); |
|
390 |
s4o.print("\n"); |
|
391 |
||
392 |
/* generate actions definitions */ |
|
393 |
generate_cc_sfc_actiondecl->reset_action_number(); |
|
394 |
s4o.print("// Actions definitions\n"); |
|
395 |
symbol->accept(*generate_cc_sfc_actiondecl); |
|
396 |
s4o.print("\n"); |
|
397 |
||
398 |
return NULL; |
|
399 |
} |
|
400 |
||
401 |
/***********************************/ |
|
402 |
/* B 2.1 Instructions and Operands */ |
|
403 |
/***********************************/ |
|
404 |
/*| instruction_list il_instruction */ |
|
405 |
void *visit(instruction_list_c *symbol) {return NULL;} |
|
406 |
||
407 |
/***************************************/ |
|
408 |
/* B.3 - Language ST (Structured Text) */ |
|
409 |
/***************************************/ |
|
410 |
/********************/ |
|
411 |
/* B 3.2 Statements */ |
|
412 |
/********************/ |
|
413 |
void *visit(statement_list_c *symbol) {return NULL;} |
|
414 |
||
415 |
/* Remainder implemented in generate_cc_sfcdecl_c... */ |
|
416 |
}; |
|
417 |
||
418 |
||
419 |
||
420 |
||
421 |
/***********************************************************************/ |
|
422 |
/***********************************************************************/ |
|
423 |
/***********************************************************************/ |
|
424 |
/***********************************************************************/ |
|
425 |
||
426 |
class generate_cc_sfc_stepundecl_c: public generate_cc_base_c { |
|
427 |
||
428 |
public: |
|
429 |
generate_cc_sfc_stepundecl_c(stage4out_c *s4o_ptr): generate_cc_base_c(s4o_ptr) {} |
|
430 |
~generate_cc_sfc_stepundecl_c(void) {} |
|
431 |
||
432 |
/*********************************************/ |
|
433 |
/* B.1.6 Sequential function chart elements */ |
|
434 |
/*********************************************/ |
|
435 |
||
436 |
void *visit(initial_step_c *symbol) { |
|
437 |
s4o.print("#undef "); |
|
438 |
s4o.print(SFC_STEP_ACTION_PREFIX); |
|
439 |
symbol->step_name->accept(*this); |
|
440 |
s4o.print("\n"); |
|
441 |
return NULL; |
|
442 |
} |
|
443 |
||
444 |
void *visit(step_c *symbol) { |
|
445 |
s4o.print("#undef "); |
|
446 |
s4o.print(SFC_STEP_ACTION_PREFIX); |
|
447 |
symbol->step_name->accept(*this); |
|
448 |
s4o.print("\n"); |
|
449 |
return NULL; |
|
450 |
} |
|
451 |
||
452 |
void *visit(transition_c *symbol) {return NULL;} |
|
453 |
||
454 |
void *visit(action_c *symbol) {return NULL;} |
|
455 |
||
456 |
}; /* generate_cc_sfc_stepdecl_c */ |
|
457 |
||
458 |
||
459 |
||
460 |
||
461 |
/***********************************************************************/ |
|
462 |
/***********************************************************************/ |
|
463 |
/***********************************************************************/ |
|
464 |
/***********************************************************************/ |
|
465 |
||
466 |
class generate_cc_sfc_actionundecl_c: public generate_cc_base_c { |
|
467 |
||
468 |
public: |
|
469 |
generate_cc_sfc_actionundecl_c(stage4out_c *s4o_ptr): generate_cc_base_c(s4o_ptr) {} |
|
470 |
~generate_cc_sfc_actionundecl_c(void) {} |
|
471 |
||
472 |
/*********************************************/ |
|
473 |
/* B.1.6 Sequential function chart elements */ |
|
474 |
/*********************************************/ |
|
475 |
||
476 |
void *visit(initial_step_c *symbol) {return NULL;} |
|
477 |
||
478 |
void *visit(step_c *symbol) {return NULL;} |
|
479 |
||
480 |
void *visit(transition_c *symbol) {return NULL;} |
|
481 |
||
482 |
void *visit(action_c *symbol) { |
|
483 |
s4o.print("#undef "); |
|
484 |
s4o.print(SFC_STEP_ACTION_PREFIX); |
|
485 |
symbol->action_name->accept(*this); |
|
486 |
s4o.print("\n"); |
|
487 |
return NULL; |
|
488 |
} |
|
489 |
||
490 |
}; /* generate_cc_sfc_stepdecl_c */ |
|
491 |
||
492 |
||
493 |
||
494 |
||
495 |
/***********************************************************************/ |
|
496 |
/***********************************************************************/ |
|
497 |
/***********************************************************************/ |
|
498 |
/***********************************************************************/ |
|
499 |
||
500 |
class generate_cc_sfcundecl_c: public iterator_visitor_c { |
|
501 |
||
502 |
protected: |
|
503 |
stage4out_c &s4o; |
|
504 |
||
505 |
private: |
|
506 |
generate_cc_sfc_stepundecl_c *generate_cc_sfc_stepundecl; |
|
507 |
generate_cc_sfc_actionundecl_c *generate_cc_sfc_actionundecl; |
|
508 |
||
509 |
public: |
|
510 |
generate_cc_sfcundecl_c(stage4out_c *s4o_ptr) : s4o(*s4o_ptr) { |
|
511 |
generate_cc_sfc_stepundecl = new generate_cc_sfc_stepundecl_c(s4o_ptr); |
|
512 |
generate_cc_sfc_actionundecl = new generate_cc_sfc_actionundecl_c(s4o_ptr); |
|
513 |
} |
|
514 |
||
515 |
virtual ~generate_cc_sfcundecl_c(void) { |
|
516 |
delete generate_cc_sfc_stepundecl; |
|
517 |
delete generate_cc_sfc_actionundecl; |
|
518 |
} |
|
519 |
||
520 |
public: |
|
521 |
||
522 |
/*********************************************/ |
|
523 |
/* B.1.6 Sequential function chart elements */ |
|
524 |
/*********************************************/ |
|
525 |
||
526 |
/* generate steps and actions tables */ |
|
527 |
void *visit(sequential_function_chart_c *symbol) { |
|
528 |
/* generate steps undefinitions */ |
|
529 |
s4o.print("// Steps undefinitions\n"); |
|
530 |
symbol->accept(*generate_cc_sfc_stepundecl); |
|
531 |
s4o.print("\n"); |
|
532 |
||
533 |
/* generate actions table */ |
|
534 |
s4o.print("// Actions undefinitions\n"); |
|
535 |
symbol->accept(*generate_cc_sfc_actionundecl); |
|
536 |
s4o.print("\n"); |
|
537 |
||
538 |
return NULL; |
|
539 |
} |
|
540 |
||
541 |
/***********************************/ |
|
542 |
/* B 2.1 Instructions and Operands */ |
|
543 |
/***********************************/ |
|
544 |
/*| instruction_list il_instruction */ |
|
545 |
void *visit(instruction_list_c *symbol) {return NULL;} |
|
546 |
||
547 |
/***************************************/ |
|
548 |
/* B.3 - Language ST (Structured Text) */ |
|
549 |
/***************************************/ |
|
550 |
/********************/ |
|
551 |
/* B 3.2 Statements */ |
|
552 |
/********************/ |
|
553 |
void *visit(statement_list_c *symbol) {return NULL;} |
|
554 |
||
555 |
/* Remainder implemented in generate_cc_sfcdecl_c... */ |
|
556 |
}; |