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1 : : // Copyright (C) 2020-2024 Free Software Foundation, Inc.
2 : :
3 : : // This file is part of GCC.
4 : :
5 : : // GCC is free software; you can redistribute it and/or modify it under
6 : : // the terms of the GNU General Public License as published by the Free
7 : : // Software Foundation; either version 3, or (at your option) any later
8 : : // version.
9 : :
10 : : // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
11 : : // WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 : : // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 : : // for more details.
14 : :
15 : : // You should have received a copy of the GNU General Public License
16 : : // along with GCC; see the file COPYING3. If not see
17 : : // <http://www.gnu.org/licenses/>.
18 : :
19 : : #ifndef RUST_PROC_MACRO_INVOC_LEXER_H
20 : : #define RUST_PROC_MACRO_INVOC_LEXER_H
21 : :
22 : : #include "rust-lex.h"
23 : : #include "rust-macro-invoc-lexer.h"
24 : :
25 : : namespace Rust {
26 : 0 : class ProcMacroInvocLexer : public MacroInvocLexerBase<const_TokenPtr>
27 : : {
28 : : public:
29 : 0 : ProcMacroInvocLexer (std::vector<const_TokenPtr> stream)
30 : 0 : : MacroInvocLexerBase (std::move (stream))
31 : 0 : {}
32 : :
33 : : // Returns token n tokens ahead of current position.
34 : : const_TokenPtr peek_token (int n);
35 : :
36 : : // Peeks the current token.
37 : 0 : const_TokenPtr peek_token () { return peek_token (0); }
38 : :
39 : : // Splits the current token into two. Intended for use with nested generics
40 : : // closes (i.e. T<U<X>> where >> is wrongly lexed as one token). Note that
41 : : // this will only work with "simple" tokens like punctuation.
42 : : void split_current_token (TokenId new_left, TokenId new_right);
43 : :
44 : : void split_current_token (std::vector<TokenPtr> new_tokens);
45 : : };
46 : : } // namespace Rust
47 : :
48 : : #endif /* ! RUST_PROC_MACRO_INVOC_LEXER_H */
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