blob: 8371c7e17cda27435bf30f81de4fbb0d590fac7f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/********************* */
/*! \file bounded_token_factory.h
** \verbatim
** Top contributors (to current version):
** Christopher L. Conway, Morgan Deters
** This file is part of the CVC4 project.
** Copyright (c) 2009-2018 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief An ANTLR3 bounded token factory.
**
** An ANTLR3 bounded token factory. The factory has a fixed number of
** tokens that are re-used as parsing proceeds. Only use this factory
** if you *know* that the number of active tokens will be bounded
** (e.g., if you're using a bounded token stream).
**/
#include "cvc4parser_private.h"
#ifndef __CVC4__PARSER__BOUNDED_TOKEN_FACTORY_H
#define __CVC4__PARSER__BOUNDED_TOKEN_FACTORY_H
namespace CVC4 {
namespace parser {
#ifdef __cplusplus
extern "C" {
#endif
/** Create a token factory with a pool of exactly <code>size</code> tokens,
* attached to the input stream <code>input</code>. <code>size</code> must be
* greater than the maximum lookahead in the parser, or tokens will be prematurely re-used.
*
* We abuse <code>pANTLR3_TOKEN_FACTORY</code> fields for our own purposes:
* <code>pANTLR3_COMMON_TOKEN *pools</code>: a pointer to a single-element array, a single pool of tokens
* <code>ANTLR3_INT32 thisPool</code>: the size of the pool
* <code>ANTLR3_UINT32 nextToken</code>: the index of the next token to be returned
* */
pANTLR3_TOKEN_FACTORY
BoundedTokenFactoryNew(pANTLR3_INPUT_STREAM input,ANTLR3_UINT32 size);
#ifdef __cplusplus
}/* extern "C" */
#endif
}/* CVC4::parser namespace */
}/* CVC4 namespace */
#endif /* __CVC4__PARSER__BOUNDED_TOKEN_FACTORY_H */
|