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#ifndef TOKEN_H
#define TOKEN_H
class Number;
namespace Bu
{
class String;
class Formatter;
};
class Token
{
public:
enum Type
{
tNumber = 0x1001,
tVariable = 0x2002,
tCommand = 0x2003,
tPlus = 0x4004,
tMinus = 0x4005,
tDivide = 0x4006,
tMultiply = 0x4007,
tModulus = 0x4008,
tOpenParen = 0x8009,
tCloseParen = 0x800a,
tEquals = 0x400b,
tString = 0x200c,
tNegate = 0x800d,
tEndOfLine = 0x010e,
tEndOfInput = 0x010f,
tUninitialized = 0x0110,
tComputedValue = 0x0111,
mMetaNumber = 0x1000,
mMetaString = 0x2000,
mMetaOperator = 0x4000,
mMetaAltOp = 0x8000,
mMetaMeta = 0x0100,
};
Token();
Token( Type eType );
Token( Type eType, Bu::String *s );
Token( Type eType, Number *n );
Token( const Token &rSrc );
~Token();
Token &operator=( const Token &rhs );
Type eType;
union
{
Bu::String *sVal;
class Number *nVal;
};
};
Bu::Formatter &operator<<( Bu::Formatter &f, Token::Type eType );
Bu::Formatter &operator<<( Bu::Formatter &f, const Token &t );
#endif
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