stage4/stage4.hh
author Manuele Conti <conti.ma@alice.it>
Mon, 30 Jul 2012 22:59:00 +0200
changeset 622 eaa49b276e17
parent 594 c8092e909886
child 746 c7219a37cc39
permissions -rwxr-xr-x
Add check bison version in configure.ac file.
To build correctly matiec we need bison greater or equals than 2.4 version.
Now the "configure" script is able to check if system has correctly requirements.
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/*
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 *  matiec - a compiler for the programming languages defined in IEC 61131-3
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 *
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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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 * This file contains the code that stores the output generated
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 * by each specific version of the 4th stage.
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 */
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#include "../absyntax/absyntax.hh"
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void stage4err(const char *stage4_generator_id, symbol_c *symbol1, symbol_c *symbol2, const char *errmsg, ...);
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class stage4out_c {
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  public:
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    std::string indent_level;
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    std::string indent_spaces;
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  public:
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    stage4out_c(std::string indent_level = "  ");
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    stage4out_c(const char *dir, const char *radix, const char *extension, std::string indent_level = "  ");
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    ~stage4out_c(void);
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    void flush(void);
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    void enable_output(void);
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    void disable_output(void);
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    void indent_right(void);
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    void indent_left(void);
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    void *print(          std::string  value);
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    void *print(           const char *value);
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    //void *print(               int64_t value); // not required, since we have long long int, or similar
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    //void *print(              uint64_t value); // not required, since we have long long int, or similar
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    void *print(              real64_t value);
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    void *print(                   int value);
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    void *print(              long int value);
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    void *print(         long long int value);
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    void *print(unsigned           int value);
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    void *print(unsigned      long int value);
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    void *print(unsigned long long int value);
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    void *print_long_integer(unsigned long l_integer, bool suffix=true);
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    void *print_long_long_integer(unsigned long long ll_integer, bool suffix=true);
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    void *printupper(const char *str);
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    void *printupper(std::string str);
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    void *printlocation(const char *str);
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    void *printlocation(std::string str);
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    void *printlocation_comasep(const char *str);
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  protected:
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    std::ostream *out;
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    std::fstream *m_file;
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    /* A flag to tell whether to really print to the file, or to ignore any request to print to the file */
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    /* This is used to implement the no_code_generation pragmas, that lets the user tell the compiler
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     * when to switch on and off the code generation, without stoping the lexical, syntatical, and
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     * semantic analysers from analysing the code.
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     */
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    bool allow_output;
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};
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int stage4(symbol_c *tree_root);