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Add hb-meta.hh for meta-programming

This commit is contained in:
Behdad Esfahbod 2018-12-27 17:23:12 -05:00
parent 5ec11ce13a
commit e76a3cae0f
5 changed files with 44 additions and 5 deletions
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1
src/Makefile.sources
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@ -41,6 +41,7 @@ HB_BASE_sources = \
hb-machinery.hh \
hb-map.cc \
hb-map.hh \
hb-meta.hh \
hb-mutex.hh \
hb-null.hh \
hb-object.hh \

4
src/hb-dsalgs.hh
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@ -31,10 +31,6 @@
#include "hb-null.hh"
/* Void! For when we need a expression-type of void. */
struct hb_void_t { typedef void value; };
/*
* Pair
*/

1
src/hb-iter.hh
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@ -29,6 +29,7 @@
#include "hb.hh"
#include "hb-dsalgs.hh" // for hb_addressof
#include "hb-meta.hh"
#include "hb-null.hh"

40
src/hb-meta.hh Normal file
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@ -0,0 +1,40 @@
/*
* Copyright © 2018 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Behdad Esfahbod
*/
#ifndef HB_META_HH
#define HB_META_HH
#include "hb.hh"
/* Void! For when we need a expression-type of void. */
struct hb_void_t { typedef void value; };
struct hb_true_t { enum { value = true }; };
struct hb_false_t { enum { value = false }; };
#endif /* HB_META_HH */

3
src/hb.hh
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@ -628,10 +628,11 @@ template <typename T> struct hb_remove_pointer<T *> { typedef T value; };
* They express dependency amongst themselves, but no other file should include
* them directly.*/
#include "hb-atomic.hh"
#include "hb-meta.hh"
#include "hb-mutex.hh"
#include "hb-null.hh"
#include "hb-dsalgs.hh" // Requires: hb-null
#include "hb-iter.hh" // Requires: hb-dsalgs hb-null
#include "hb-iter.hh" // Requires: hb-dsalgs hb-meta hb-null
#include "hb-debug.hh" // Requires: hb-atomic hb-dsalgs
#include "hb-array.hh" // Requires: hb-dsalgs hb-iter hb-null
#include "hb-vector.hh" // Requires: hb-array hb-null