msousa@678: /*
msousa@678:  *  matiec - a compiler for the programming languages defined in IEC 61131-3
msousa@678:  *  Copyright (C) 2003-2011  Mario de Sousa (msousa@fe.up.pt)
msousa@678:  *  Copyright (C) 2007-2011  Laurent Bessard and Edouard Tisserant
msousa@678:  *
msousa@678:  *  This program is free software: you can redistribute it and/or modify
msousa@678:  *  it under the terms of the GNU General Public License as published by
msousa@678:  *  the Free Software Foundation, either version 3 of the License, or
msousa@678:  *  (at your option) any later version.
msousa@678:  *
msousa@678:  *  This program is distributed in the hope that it will be useful,
msousa@678:  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
msousa@678:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
msousa@678:  *  GNU General Public License for more details.
msousa@678:  *
msousa@678:  *  You should have received a copy of the GNU General Public License
msousa@678:  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
msousa@678:  *
msousa@678:  *
msousa@678:  * This code is made available on the understanding that it will not be
msousa@678:  * used in safety-critical situations without a full and competent review.
msousa@678:  */
msousa@678: 
msousa@678: /*
msousa@678:  * An IEC 61131-3 compiler.
msousa@678:  *
msousa@678:  * Based on the
msousa@678:  * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
msousa@678:  *
msousa@678:  */
msousa@678: 
msousa@678: 
msousa@678: /*
msousa@678:  * Some classes to help with debuging.
msousa@678:  *
msousa@678:  * These classes will print out the current state of a symbol or a portion of the Abstract Syntax Tree.
msousa@678:  */
msousa@678: 
msousa@678: 
msousa@678: 
msousa@678: 
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msousa@678: 
msousa@678: #include "../absyntax/visitor.hh"
msousa@678: 
msousa@678: 
msousa@678: 
msousa@678: class print_symbol_c: public fcall_visitor_c { 
msousa@678:   public:
msousa@678:     static void print(symbol_c *symbol);
msousa@678:     
msousa@678:   protected:
msousa@678:     void fcall(symbol_c *symbol);  
msousa@678:     /* AST symbols with extra data have their own specialised methods for printing that data */
msousa@678:     void *visit(il_instruction_c *symbol);
msousa@678: 
msousa@678:   private:
msousa@678:     static print_symbol_c *singleton;
msousa@678:     
msousa@678:     void dump_symbol(symbol_c* symbol);
msousa@678: };
msousa@678: 
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msousa@678: 
msousa@678: class print_ast_c: public fcall_iterator_visitor_c { 
msousa@678:   public:
msousa@678:     static void print(symbol_c *symbol);
msousa@678:     
msousa@678:   protected:
msousa@678:   void prefix_fcall(symbol_c *symbol);
msousa@678:   void suffix_fcall(symbol_c *symbol);  
msousa@678:   
msousa@678:   private:
msousa@678:     static print_ast_c *singleton;    
msousa@678: };
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