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#ifndef VARIABLE_H
#define VARIABLE_H
#include <stdint.h>
#include <bu/string.h>
#include <bu/hash.h>
#include "enums.h"
class VariableRef
{
public:
ScopeId sid;
Bu::String sName;
bool operator==( const VariableRef &rhs ) const;
};
class Variable
{
friend uint32_t Bu::__calcHashCode<Variable>( const Variable &k );
friend Bu::Formatter &operator<<( Bu::Formatter &f, const Variable &v );
public:
enum Type
{
tNull,
tBool,
tInt,
tFloat,
tString,
tSituation,
tVariable,
tList,
tDictionary
};
public:
Variable();
Variable( const Variable &src );
Variable( Type eType );
Variable( int64_t iValue );
Variable( double fValue );
Variable( bool bValue );
Variable( const Bu::String &sValue );
virtual ~Variable();
static Variable newSituationName( const Bu::String &s );
static Variable newVariableName( const Bu::String &s, ScopeId sid );
Type getType() const { return eType; }
bool getBool() const;
int64_t getInt() const;
double getFloat() const;
Bu::String getString() const;
VariableRef getVariableRef() const;
Variable to( Type e ) const;
Variable &operator=( const Variable &rhs );
Variable &operator+=( const Variable &rhs );
Variable &operator-=( const Variable &rhs );
Variable &operator*=( const Variable &rhs );
Variable &operator/=( const Variable &rhs );
Variable operator+( const Variable &rhs ) const;
Variable operator-( const Variable &rhs ) const;
Variable operator*( const Variable &rhs ) const;
Variable operator/( const Variable &rhs ) const;
Variable operator-() const;
bool operator==( const Variable &rhs ) const;
bool operator!=( const Variable &rhs ) const;
bool operator>( const Variable &rhs ) const;
bool operator<( const Variable &rhs ) const;
bool operator>=( const Variable &rhs ) const;
bool operator<=( const Variable &rhs ) const;
private:
void initType();
void deinitType();
private:
Type eType;
typedef Bu::List<Variable> VList;
typedef Bu::Hash<Variable, Variable> VHash;
union
{
int64_t iValue;
double fValue;
bool bValue;
Bu::String *sValue;
VList *lValue;
VHash *hValue;
VariableRef *rValue;
};
};
namespace Bu
{
template<> uint32_t __calcHashCode<Variable>( const Variable &k );
template<> bool __cmpHashKeys<Variable>( const Variable &a, const Variable &b );
};
Bu::Formatter &operator<<( Bu::Formatter &f, const Variable &v );
typedef Bu::List<Variable> VariableList;
typedef Bu::Hash<Bu::String, Variable> VariableHash;
#endif
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