include/AD/automata/lalrkgen.h

   1 //////////////////////////////////////////////////////////////////////////////
   2 // NOTICE:
   3 //
   4 // ADLib, Prop and their related set of tools and documentation are in the
   5 // public domain.   The author(s) of this software reserve no copyrights on
   6 // the source code and any code generated using the tools.  You are encouraged
   7 // to use ADLib and Prop to develop software, in both academic and commercial
   8 // settings, and are free to incorporate any part of ADLib and Prop into
   9 // your programs.
  10 //
  11 // Although you are under no obligation to do so, we strongly recommend that
  12 // you give away all software developed using our tools.
  13 //
  14 // We also ask that credit be given to us when ADLib and/or Prop are used in
  15 // your programs, and that this notice be preserved intact in all the source
  16 // code.
  17 //
  18 // This software is still under development and we welcome any suggestions
  19 // and help from the users.
  20 //
  21 // Allen Leung
  22 // 1994
  23 //////////////////////////////////////////////////////////////////////////////
  24
  25 #ifndef LALR_k_parser_generator_h
  26 #define LALR_k_parser_generator_h
  27
  28 #include <AD/automata/lrgen.h>      // LR-style parser generator base class
  29 #include <AD/automata/operprec.h>   // Operator precedence
  30
  31 class LALR_k_Gen : public LRGen {
  32
  33    LALR_k_Gen(const LALR_k_Gen&);         // no copy constructor
  34    void operator = (const LALR_k_Gen&);   // no assignment
  35
  36 public:
  37
  38    /////////////////////////////////////////////////////////////////////////
  39    //  Make inherited types visible
  40    /////////////////////////////////////////////////////////////////////////
  41    typedef LRGen                   Super;
  42    typedef Super::Symbol           Symbol;
  43    typedef Super::State            State;
  44    typedef Super::Rule             Rule;
  45    typedef Super::Offset           Offset;
  46    typedef Super::ProductionLength ProductionLength;
  47
  48 protected:
  49
  50    /////////////////////////////////////////////////////////////////////////
  51    //  The implementation is hidden within
  52    /////////////////////////////////////////////////////////////////////////
  53    struct LALR_k_Gen_Impl * impl;
  54
  55 public:
  56
  57    /////////////////////////////////////////////////////////////////////////
  58    //  Constructors and destructor
  59    /////////////////////////////////////////////////////////////////////////
  60    LALR_k_Gen();
  61    LALR_k_Gen(const Grammar&, const OpPrecedence&);
  62   ~LALR_k_Gen();
  63
  64    /////////////////////////////////////////////////////////////////////////
  65    //  Table compilation and code generation
  66    /////////////////////////////////////////////////////////////////////////
  67
  68    virtual void     compile      (const Grammar&, const OpPrecedence&);
  69    virtual ostream& print_report (ostream&, int verbosity = 0);
  70 };
  71
  72 #endif