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// file : cli/token.hxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009 Code Synthesis Tools CC
// license : MIT; see accompanying LICENSE file
#ifndef CLI_TOKEN_HXX
#define CLI_TOKEN_HXX
#include <string>
#include <cstddef>
class Token
{
public:
enum Type
{
t_eos,
t_keyword,
t_identifier,
t_punctuation,
t_bracket_lit,
t_string_lit,
t_bool_lit,
t_int_lit,
t_float_lit
};
Type
type () const
{
return type_;
}
size_t
line () const
{
return l_;
}
size_t
column () const
{
return c_;
}
// Keyword
//
public:
enum Keyword
{
k_include,
k_namespace,
k_class,
k_bool
};
Keyword
keyword () const
{
return keyword_;
}
// Identifier
//
public:
std::string const&
identifier () const
{
return str_;
}
// Punctuation
//
public:
enum Punctuation
{
p_semi,
p_comma,
p_colon,
p_lcbrace,
p_rcbrace,
p_lparen,
p_rparen,
p_eq,
p_or
};
Punctuation
punctuation () const
{
return punctuation_;
}
// Literals.
//
public:
std::string const&
literal () const
{
return str_;
}
// C-tors.
//
public:
// EOS.
//
Token (size_t l, size_t c)
: l_ (l), c_ (c), type_ (t_eos)
{
}
Token (Keyword k, size_t l, size_t c)
: l_ (l), c_ (c), type_ (t_keyword), keyword_ (k)
{
}
Token (Punctuation p, size_t l, size_t c)
: l_ (l), c_ (c), type_ (t_punctuation), punctuation_ (p)
{
}
// Identifier & literals.
//
Token (Type t, std::string const& s, size_t l, size_t c)
: l_ (l), c_ (c), type_ (t), str_ (s)
{
}
private:
size_t l_;
size_t c_;
Type type_;
Keyword keyword_;
Punctuation punctuation_;
std::string str_;
};
#endif // CLI_TOKEN_HXX
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