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/******************************************************************************
* Top contributors (to current version):
* Christopher L. Conway, Mathias Preiner, Morgan Deters
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 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.
* ****************************************************************************
* 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 CVC5__PARSER__BOUNDED_TOKEN_FACTORY_H
#define CVC5__PARSER__BOUNDED_TOKEN_FACTORY_H
namespace cvc5 {
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
} // namespace parser
} // namespace cvc5
#endif /* CVC5__PARSER__BOUNDED_TOKEN_FACTORY_H */
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