absyntax_utils/debug_ast.hh
author Mario de Sousa <msousa@fe.up.pt>
Thu, 08 Nov 2012 17:31:50 +0000
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child 725 bfbe4aca6b77
permissions -rw-r--r--
Fix counting bug in dsymbtable_c
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/*
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 *  matiec - a compiler for the programming languages defined in IEC 61131-3
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 *  Copyright (C) 2003-2011  Mario de Sousa (msousa@fe.up.pt)
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 *  Copyright (C) 2007-2011  Laurent Bessard and Edouard Tisserant
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 *
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 *  This program is free software: you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation, either version 3 of the License, or
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 *  (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,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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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 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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 * Some classes to help with debuging.
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 *
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 * These classes will print out the current state of a symbol or a portion of the Abstract Syntax Tree.
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 */
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#include "../absyntax/visitor.hh"
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class print_symbol_c: public fcall_visitor_c { 
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  public:
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    static void print(symbol_c *symbol);
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  protected:
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    void fcall(symbol_c *symbol);  
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    /* AST symbols with extra data have their own specialised methods for printing that data */
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    void *visit(il_instruction_c *symbol);
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  private:
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    static print_symbol_c *singleton;
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    void dump_symbol(symbol_c* symbol);
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};
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class print_ast_c: public fcall_iterator_visitor_c { 
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  public:
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    static void print(symbol_c *symbol);
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  protected:
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  void prefix_fcall(symbol_c *symbol);
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  void suffix_fcall(symbol_c *symbol);  
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  private:
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    static print_ast_c *singleton;    
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};
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