/usr/lib/ats-anairiats-0.2.11/prelude/CATS/lazy.cats is in ats-lang-anairiats 0.2.11-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* */
/* Applied Type System */
/* */
/* Hongwei Xi */
/* */
/***********************************************************************/
/*
** ATS - Unleashing the Potential of Types!
**
** Copyright (C) 2002-2008 Hongwei Xi, Boston University
**
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU LESSER GENERAL PUBLIC LICENSE as published by the
** Free Software Foundation; either version 2.1, or (at your option) any
** later version.
**
** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
** for more details.
**
** You should have received a copy of the GNU General Public License
** along with ATS; see the file COPYING. If not, please write to the
** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*/
/* ****** ****** */
// author of the file: Hongwei Xi (hwxi AT cs DOT bu DOT edu)
/* ****** ****** */
#ifndef ATS_PRELUDE_LAZY_CATS
#define ATS_PRELUDE_LAZY_CATS
/* ****** ****** */
/*
typedef struct {
ats_ptr_type tag ; ats_clo_ptr_type data ;
} thunkvalue_struct ;
*/
typedef ats_ptr_type *thunkvalue ;
/* ****** ****** */
#define ats_instr_move_lazy_delay_mac(tmp, hit, vp_clo) do { \
tmp = ATS_MALLOC ( \
sizeof(ats_ptr_type) + (sizeof(hit) <= sizeof(ats_ptr_type) ? sizeof(ats_ptr_type) : sizeof(hit)) \
) ; /* end of [ATS_MALLOC] */ \
((thunkvalue)tmp)[0] = (ats_ptr_type)0 ; ((thunkvalue)tmp)[1] = (vp_clo) ; \
} while (0) /* end of [do ... while ...] */
#define ats_instr_move_lazy_force_mac(tmp, hit, vp_lazy) do { \
if (((thunkvalue)vp_lazy)[0] == 0) { \
tmp = ((hit (*)(ats_clo_ptr_type))ats_closure_fun(((thunkvalue)vp_lazy)[1]))(((thunkvalue)vp_lazy)[1]) ; \
((thunkvalue)vp_lazy)[0] += 1 ; \
*(hit*)(((thunkvalue)vp_lazy)+1) = tmp ; \
} else { \
tmp = *(hit*)(((thunkvalue)vp_lazy)+1) ; \
} /* end of [if] */ \
} while (0) /* end of [do ... while ...] */
/* ****** ****** */
#endif /* ATS_PRELUDE_LAZY_CATS */
/* end of [lazy.cats] */
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