# source:src/SynTree/Constant.h@a1edafa

Last change on this file since a1edafa was 6ea8748, checked in by Andrew Beach <ajbeach@…>, 6 years ago

That should be all the base code for 'tree structures' to work.

• Property mode set to `100644`
File size: 2.0 KB
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1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// Constant.h --
8//
9// Author           : Richard C. Bilson
10// Created On       : Mon May 18 07:44:20 2015
13// Update Count     : 16
14//
15
16#ifndef CONSTANT_H
17#define CONSTANT_H
18
19#include "SynTree.h"
20#include "Visitor.h"
21#include "Mutator.h"
22
23class Constant {
24  public:
25        Constant( Type * type, std::string rep, unsigned long long val );
26        Constant( Type * type, std::string rep, double val );
27        Constant( const Constant & other );
28        virtual ~Constant();
29
30        Type * get_type() { return type; }
31        void set_type( Type * newValue ) { type = newValue; }
32        std::string & get_value() { return rep; }
33        void set_value( std::string newValue ) { rep = newValue; }
34        unsigned long long get_ival() const;
35        double get_dval() const;
36
37        /// generates a boolean constant of the given bool
38        static Constant from_bool( bool b );
39        /// generates an integer constant of the given int
40        static Constant from_int( int i );
41        /// generates an integer constant of the given unsigned long int
42        static Constant from_ulong( unsigned long i );
43        /// generates a floating point constant of the given double
44        static Constant from_double( double d );
45
46        /// generates a null pointer value for the given type. void * if omitted.
47        static Constant null( Type * ptrtype = nullptr );
48
49        virtual void accept( Visitor & v ) { v.visit( this ); }
50        virtual Constant * acceptMutator( Mutator & m ) { return m.mutate( this ); }
51        virtual void print( std::ostream & os ) const;
52  private:
53        Type * type;
54        std::string rep;
55        union Val {
56                unsigned long long ival;
57                double dval;
58                Val( unsigned long long ival ) : ival( ival ) {}
59                Val( double dval ) : dval( dval ) {}
60        } val;
61};
62
63#endif // CONSTANT_H
64
65// Local Variables: //
66// tab-width: 4 //
67// mode: c++ //
68// compile-command: "make install" //
69// End: //
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