Parser.h

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/*---------------------------------------------------------------------\
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|                      __   __    ____ _____ ____                      |  
|                      \ \ / /_ _/ ___|_   _|___ \                     |  
|                       \ V / _` \___ \ | |   __) |                    |  
|                        | | (_| |___) || |  / __/                     |  
|                        |_|\__,_|____/ |_| |_____|                    |  
|                                                                      |  
|                               core system                            | 
|                                                        (C) SuSE GmbH |  
\----------------------------------------------------------------------/ 

   File:       Parser.h

   Author:     Mathias Kettner <kettner@suse.de>
   Maintainer: Klaus Kaempf <kkaempf@suse.de>

/-*/
/*
 * YCP interface to the bison generated parser
 */

#ifndef Parser_h
#define Parser_h

#include <stdio.h>
#include <string>

#include "ycp/Scanner.h"
#include "ycp/YCode.h"

class Scanner;
class blockstack_t;
class scannerstack_t;
class switchstack_t;
class YBlock;

class Parser
{
    Scanner *m_scanner;

    bool m_buffered;

    bool m_depends;

    bool m_at_eof;

public:
    YCodePtr m_result;

    int m_lineno;

    int m_loop_count;

    int m_parser_errors;

    blockstack_t *m_block_stack;

    switchstack_t *m_switch_stack;

    scannerstack_t *m_scanner_stack;
    
    YBlockPtr m_current_block;
    
    int m_blockstack_depth;
    
    void init ();

public:
    Parser();

    Parser(FILE *file, const char *filename=0);

    Parser(const char *buf);

    Parser(int fd, const char *filename=0);

    ~Parser();

    YCodePtr parse(SymbolTable *gTable = 0, SymbolTable *lTable = 0);

    Scanner *scanner ();

    void setScanner (Scanner *);

    bool atEOF ();

    void setInput(FILE *file, const char *filename=0);

    void setInput(const char *buf);

    void setInput(int fd, const char *filename = 0);

    void setBuffered();

    void setDepends();

    bool depends() const;
};

#endif // Parser_h