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// file : build2/token -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUILD2_TOKEN
#define BUILD2_TOKEN
#include <build2/types>
#include <build2/utility>
namespace build2
{
enum class token_type
{
eos,
name,
newline,
pair_separator,
colon,
lcbrace, // {
rcbrace, // }
lsbrace, // [
rsbrace, // ]
assign, // =
prepend, // =+
append, // +=
equal, // ==
not_equal, // !=
less, // <
greater, // >
less_equal, // <=
greater_equal, // >=
dollar,
lparen,
rparen
};
class token
{
public:
token_type type;
bool separated; // Whitespace-separated from the previous token.
bool quoted; // Name (or some part of it) was quoted.
string value; // Only valid for name.
uint64_t line;
uint64_t column;
public:
token (token_type t, bool s, uint64_t l, uint64_t c)
: type (t), separated (s), quoted (false), line (l), column (c) {}
token (string n, bool s, bool q, uint64_t l, uint64_t c)
: type (token_type::name),
separated (s),
quoted (q),
value (move (n)),
line (l),
column (c) {}
};
// Output the token value in a format suitable for diagnostics.
//
ostream&
operator<< (ostream&, const token&);
}
#endif // BUILD2_TOKEN
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