| 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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| 7 | // Constant.h --
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| 8 | //
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| 9 | // Author : Richard C. Bilson
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| 10 | // Created On : Mon May 18 07:44:20 2015
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| 11 | // Last Modified By : Peter A. Buhr
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| 12 | // Last Modified On : Sat Jul 22 09:54:46 2017
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| 13 | // Update Count : 17
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| 14 | //
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| 15 |
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| 16 | #pragma once
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| 17 |
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| 18 | #include <iosfwd> // for ostream
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| 19 | #include <string> // for string
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| 20 |
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| 21 | #include "Mutator.h" // for Mutator
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| 22 | #include "Visitor.h" // for Visitor
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| 23 |
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| 24 | class Type;
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| 25 |
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| 26 | class Constant {
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| 27 | public:
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| 28 | Constant( Type * type, std::string rep, unsigned long long val );
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| 29 | Constant( Type * type, std::string rep, double val );
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| 30 | Constant( const Constant & other );
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| 31 | virtual ~Constant();
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| 32 |
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| 33 | Type * get_type() { return type; }
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| 34 | void set_type( Type * newValue ) { type = newValue; }
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| 35 | std::string & get_value() { return rep; }
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| 36 | void set_value( std::string newValue ) { rep = newValue; }
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| 37 | unsigned long long get_ival() const;
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| 38 | double get_dval() const;
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| 39 |
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| 40 | /// generates a boolean constant of the given bool
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| 41 | static Constant from_bool( bool b );
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| 42 | /// generates a char constant of the given char
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| 43 | static Constant from_char( char c );
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| 44 | /// generates an integer constant of the given int
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| 45 | static Constant from_int( int i );
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| 46 | /// generates an integer constant of the given unsigned long int
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| 47 | static Constant from_ulong( unsigned long i );
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| 48 | /// generates a floating point constant of the given double
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| 49 | static Constant from_double( double d );
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| 50 |
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| 51 | /// generates a null pointer value for the given type. void * if omitted.
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| 52 | static Constant null( Type * ptrtype = nullptr );
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| 53 |
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| 54 | virtual void accept( Visitor & v ) { v.visit( this ); }
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| 55 | virtual Constant * acceptMutator( Mutator & m ) { return m.mutate( this ); }
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| 56 | virtual void print( std::ostream & os ) const;
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| 57 | private:
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| 58 | Type * type;
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| 59 | std::string rep;
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| 60 | union Val {
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| 61 | unsigned long long ival;
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| 62 | double dval;
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| 63 | Val( unsigned long long ival ) : ival( ival ) {}
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| 64 | Val( double dval ) : dval( dval ) {}
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| 65 | } val;
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| 66 | };
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| 67 |
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| 68 | // Local Variables: //
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| 69 | // tab-width: 4 //
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| 70 | // mode: c++ //
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| 71 | // compile-command: "make install" //
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| 72 | // End: //
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