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Author SHA1 Message Date
Andreas Buhr
bfa3e33372 Reduce compilation time by using SkipParser when determining attribute type. 
When using a large parser, the whole tree of parsers in instantiated with the
skip (whitespace) parser used. Then, it was instantiated again without a skip
parser, just to determine the attribute type.
This patch changes the code so the attribute type is determined *with* the
skip parser. That way, the number of template instantiations
required are halved for some use cases.

With gcc 14.2, the instantiations without the skip parser even ended up in the
binary. In that case, this patch reduces binary size.
This is most likely a compiler bug, as the usage is in decltype().
 2025-10-12 21:31:32 -05:00
Andreas Buhr
8d7a64f7fe Performance improvement: Do not copy use_parser into lambda 2025-10-12 21:16:48 -05:00
Andreas Buhr
8c23054e07 Fix bug that ASCII code for z/Z was noch included in case_fold fast-path 2025-10-12 21:15:37 -05:00
Andreas Buhr
11a5d9a872 Add fast-path for lower case ASCII letters in case_fold 
This improved the speed of my parser by approximately 20%
 2025-10-12 21:15:37 -05:00
Andreas Buhr
d241bd7853 Make "transform" constexpr 2025-10-12 21:15:14 -05:00
Zach Laine
086241cbd9 Correct a munged bit of doc text. 2025-10-12 21:04:26 -05:00
ivanpanch
e3a3cc8bf2 Update rationale.qbk 2025-10-12 21:00:47 -05:00
ivanpanch
f789199743 Update parser_reference.xml 2025-10-12 21:00:47 -05:00
ivanpanch
f20c4cfb02 Update parser.hpp 2025-10-12 21:00:47 -05:00
ivanpanch
fcbc53ddce Update parser.hpp 2025-10-12 21:00:47 -05:00
ivanpanch
fed0a883ad Update error_handling_fwd.hpp 2025-10-12 21:00:47 -05:00
ivanpanch
bfc61fa963 Update config.hpp 2025-10-12 21:00:47 -05:00
ivanpanch
68c306bf66 Update json.cpp 2025-10-12 21:00:47 -05:00
ivanpanch
d5d080b9f2 Update tutorial.qbk 2025-10-12 21:00:47 -05:00
ivanpanch
03341ba32d Update tutorial.qbk 2025-10-12 21:00:47 -05:00
ivanpanch
7e69b27d7c Update tutorial.qbk 2025-10-12 21:00:47 -05:00
ivanpanch
17d76bc158 Update tutorial.qbk 2025-10-12 21:00:47 -05:00
ivanpanch
050b9ba800 Update tutorial.qbk 2025-10-12 21:00:47 -05:00
ivanpanch
125f12407b Update tables.qbk 2025-10-12 21:00:47 -05:00
Andreas Buhr
e4ba7c7a17 Remove g++9 github CI configuration 
Because it runs on ubuntu 20.04 and github does
not offer these runners anymore.
 2025-10-12 20:59:26 -05:00
Zach Laine
9a138a20f6 Correct the claim in the docs that if_(c)[p] has attribute type 
optional<ATTR(p)>; it actually has attribute type ATTR(p).

Fixes #278.
 2025-10-12 20:40:55 -05:00
Zach Laine
c32d594d64 Eliminate double-instantiation of context templates (due to on a difference 
between a nope and nope const GlobalState template arg) by using nope const by
default.

Fixes #250.
 2025-10-12 20:00:05 -05:00
Zach Laine
c674e94c3d Don't reuse the attribute-generating path in rule_parser's out-param overload 
of call.  Doing so was wiping out previous partial results, in cases like foo
>> bar, where foo produces a T, and bar is a rule that produces vector<T>.

Fixes #248.
boost-1.89.0 		2025-07-27 17:50:38 -05:00
Zach Laine
84ee288b02 Attempt to fix odd error in happy path of code submitted with issue 223. 2025-07-26 21:13:33 -05:00
Zach Laine
39faa9ddbe Pass the sentinel type as a template parameter to the iterator template in 
project_view, as a workaround to the presence/absence of a disambiguating
template keyword in iterator's implementation.  Neither adding it nor temoving
it works for all builds.  Also, re-enable the C++17 MSVC 2022 Github build.

Fixes #252.
 2025-07-26 21:12:37 -05:00
Zach Laine
b2927abc6c Disable C++17 on MSVC 2022 in Github CI. 2025-07-26 20:17:56 -05:00
Zach Laine
5d6d2f7b84 Add missing special case for parsing a sequence of optional<T>s, writing the 
results into a sequence container of Ts.

Fixes #223.
 2025-07-26 20:15:15 -05:00
Zach Laine
fd6c56df1b Publicize project_view::{interator,sentinel} in attempt to fix VS 2022 build. 2025-07-13 15:56:35 -05:00
Zach Laine
af41e6a7c2 Add missing template keyword disambiguator in attempt to fix VS 2022 build. 2025-07-13 15:34:21 -05:00
Zach Laine
0b93a586f1 Use an R-string instead of using so many backslashes in the quoted string 
examples.

Fixes #239.
 2025-07-12 16:08:53 -05:00
Zach Laine
ed9a06123b Comment out unused dont_assign param in second overload defined by 
BOOST_PARSER_DEFINE_IMPL.

Fixes #237.
 2025-07-12 15:15:52 -05:00
Zach Laine
8ff46f394a Spelling corrections in tutorial. 
Fixes #238.
 2025-07-12 15:13:20 -05:00
Zach Laine
8c9ad7bdb3 Document why there are no Spirit-style charater class parsers (alnum, punct, 
etc.) in the Rationale section of the docs.

Fixes #224.
 2025-07-12 15:01:46 -05:00
Adem Budak
d8abe8f29e Fix some typos on documentation 2025-07-12 14:46:28 -05:00
Zach Laine
810adb43f6 Use a move asssignment instead of a copy assignment when returning a result 
via detail::make_parse_result().

Supercedes PR #247.
 2025-07-12 14:42:47 -05:00
Zach Laine
5788fb6967 Add missing 'template ' after dot when naming a dependent template 
instantiation.

Fixes #221.
 2025-05-06 01:55:23 -05:00
Rene Rivera
ec7df8a0af Add support for modular build structure. 2025-05-06 01:54:32 -05:00
Zach Laine
a93a1d2647 Use detail::hl::make_tuple() instead of CTAD in test to fix build breakage on 
some compilers.
 2025-04-13 14:26:47 -05:00
Zach Laine
927f35f115 Provide a way to specify radix, and min/max digits for {u,}int_parser, without 
using the template parameters directly, since this also requires the user to
type parser_interface.

Fixes #220.
 2025-04-12 19:59:46 -05:00
Zach Laine
87617fdec0 std::tuple -> tuple in test to fix build with -DBUILD_WITH_HANA=true. 2025-04-12 19:33:11 -05:00
Zach Laine
ead639e630 Add missing cxxstd to meta/libraries.json. 2025-04-12 13:56:00 -05:00
Zach Laine
a3ca1193b2 Add error reporting when encountering unexpected (left over) code points at 
the end of an otherwise-successful parse, when doing non-prefix parsing.
 2025-03-30 16:06:41 -05:00
Zach Laine
07153117ff Doc copy editing. 
Fixes #217.
 2025-03-30 16:06:02 -05:00
Zach Laine
6414f99e04 Remove space from declaration of UDLs, because apparently it matters?! 
Fixes #216.
boost-1.88.0 		2025-03-13 19:03:14 -05:00
Zach Laine
78bc141d5f Add doc example of unexpected combining sequence parsers. 
Example is based on #215.
boost-1.88.0.beta1 		2025-03-01 16:34:22 -06:00
necessarily-equal
b253d9ca53 Add unicode symbols parser (#213) 
* Add symb parser to handle unicode symbols

* Add documentation for symb

* Add tests for symb

* Fix typo in the documentation

---------

Contributed by: Antoine Fontaine <antoinefontaine@posteo.net>
 2025-02-20 23:51:17 -06:00
Zach Laine
0a34acc42a Add new macro BOOST_PARSER_GCC that is defined in config.hpp only for real 
(non-Clang-emulated) GCC builds; replace relevant uses of the __GNUC__ macro
with BOOST_PARSER_GCC.

See discussion in PR #211.
 2025-02-20 23:38:09 -06:00
Zach Laine
56c81c0b57 Use gross pointer dereference expression to implement detail::whatever 
converions operator, since 2/3 of the big three compilers reject the use of
declval() there.
 2025-02-20 23:38:09 -06:00
Zach Laine
821d1d4c08 Fix longstanding mysterious ill-formedness in 
detail::static_assert_merge_attributes.  It was down to unavailabilty of a
default ctor for certain parser types.
 2025-02-20 23:38:09 -06:00
Zach Laine
57cdd78210 Properly sort the code point values in detail::char_set<punct_chars>. 
Fixes #209.
 2024-12-23 17:28:07 -06:00