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Merge branch 'maint'

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* upstream/maint:
  maint: post-release administrivia
  version 3.6.2
  tests: improve update-test
  CI: add GCC 10 and Clang 10
  fix: do not emit nested comments
  todo: update
  examples: use markdown hyperlinks
  tests: don't use == to compare const char *...
  gnulib: update
This commit is contained in:
Akim Demaille
2020-05-17 09:16:51 +02:00
parent e6d83116ae 4d9fa28ba8
commit 8ef0b12eb7
12 changed files with 184 additions and 50 deletions
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2
.prev-version
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@@ -1 +1 @@
3.6.1
3.6.2

96
.travis.yml
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@@ -69,53 +69,53 @@ jobs:
# Start with three completely different environments, to get errors asap.
- name: "GCC 9 -O3"
- name: "GCC 10 -O3"
stage: check
os: linux
dist: bionic
addons: &gcc9
addons: &gcc10
apt:
sources:
# See https://github.com/travis-ci/apt-source-safelist/issues/410.
- sourceline: 'ppa:ubuntu-toolchain-r/test'
packages: g++-9
packages: g++-10
env:
- CC=gcc-9
- CXX=g++-9
- CC=gcc-10
- CXX=g++-10
- CONFIGUREFLAGS='CPPFLAGS=-DNDEBUG CFLAGS=-O3 CXXFLAGS=-O3'
# ASAN is time consuming, and we timeout the 50min granted by
# Travis if we run all the tests in one go. Run in two parts.
- name: "Clang 9 libc++ and ASAN part 1"
- name: "Clang 10 libc++ and ASAN part 1"
stage: check
os: linux
dist: bionic
addons: &clang9
addons: &clang10
apt:
sources:
# See https://github.com/travis-ci/apt-source-safelist/issues/410.
- sourceline: 'ppa:ubuntu-toolchain-r/test'
- sourceline: 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-9 main'
- sourceline: 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-10 main'
key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
packages:
- clang-9
- libc++-9-dev
- libc++abi-9-dev
- clang-10
- libc++-10-dev
- libc++abi-10-dev
env:
# Do not use ASAN with ubuntu's libc++: https://bugs.llvm.org/show_bug.cgi?id=17379
- CC='clang-9 -fsanitize=address'
- CXX='clang++-9 -fsanitize=address -stdlib=libc++'
- CC='clang-10 -fsanitize=address'
- CXX='clang++-10 -fsanitize=address -stdlib=libc++'
- PART=1
- name: "Clang 9 libc++ and ASAN part 2"
- name: "Clang 10 libc++ and ASAN part 2"
stage: check
os: linux
dist: bionic
addons: *clang9
addons: *clang10
env:
# Do not use ASAN with ubuntu's libc++: https://bugs.llvm.org/show_bug.cgi?id=17379
- CC='clang-9 -fsanitize=address'
- CXX='clang++-9 -fsanitize=address -stdlib=libc++'
- CC='clang-10 -fsanitize=address'
- CXX='clang++-10 -fsanitize=address -stdlib=libc++'
- PART=2
- name: "ICC"
@@ -135,46 +135,41 @@ jobs:
packages:
- intel-oneapi-icc
## ------- ##
## First. ##
## ------- ##
# Start with three completely different environments, to get
# errors asap.
- name: "ARM64: GCC 9 -O3 part 1"
- name: "ARM64: GCC 10 -O3 part 1"
stage: check
os: linux
arch: arm64
dist: bionic
addons: *gcc9
addons: *gcc10
env:
- CC=gcc-9
- CXX=g++-9
- CC=gcc-10
- CXX=g++-10
- CONFIGUREFLAGS='CPPFLAGS=-DNDEBUG CFLAGS=-O3 CXXFLAGS=-O3'
- PART=1
# GCC10 on PPC seems to be buggy.
# E.g., https://travis-ci.org/github/akimd/bison/jobs/687812428.
- name: "PPC64le: GCC 9 part 1"
stage: check
os: linux
arch: ppc64le
dist: bionic
addons: *gcc9
addons: *gcc10
env:
- CC=gcc-9
- CXX=g++-9
- CONFIGUREFLAGS='CFLAGS=-O3 CXXFLAGS=-O3'
- PART=1
- name: "s390x: GCC 9 part 1"
- name: "s390x: GCC 10 part 1"
stage: check
os: linux
arch: s390x
dist: bionic
addons: *gcc9
addons: *gcc10
env:
- CC=gcc-9
- CXX=g++-9
- CC=gcc-10
- CXX=g++-10
- CONFIGUREFLAGS='CFLAGS=-O3 CXXFLAGS=-O3'
- PART=1
@@ -182,15 +177,19 @@ jobs:
## GCC. ##
## ----- ##
- name: "GCC 8 with sanitizers part 1"
- name: "GCC 9 with sanitizers part 1"
stage: check
os: linux
dist: bionic
addons:
apt:
packages: g++-8
sources:
# See https://github.com/travis-ci/apt-source-safelist/issues/410.
- sourceline: 'ppa:ubuntu-toolchain-r/test'
packages: g++-9
env:
- CC='gcc-8 -fsanitize=undefined,address -fno-omit-frame-pointer'
- CXX='g++-8 -fsanitize=undefined,address -fno-omit-frame-pointer'
- CC='gcc-9 -fsanitize=undefined,address -fno-omit-frame-pointer'
- CXX='g++-9 -fsanitize=undefined,address -fno-omit-frame-pointer'
- CONFIGUREFLAGS='CFLAGS=-O1 CXXFLAGS=-O1'
- PART=1
@@ -292,7 +291,27 @@ jobs:
## Clang. ##
## ------- ##
- name: "Clang 8 -O3"
- name: "Clang 9 -O3"
stage: check
os: linux
dist: bionic
addons:
apt:
sources:
# See https://github.com/travis-ci/apt-source-safelist/issues/410.
- sourceline: 'ppa:ubuntu-toolchain-r/test'
- sourceline: 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-9 main'
key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
packages:
- clang-9
- libc++-9-dev
- libc++abi-9-dev
env:
- CC='clang-9'
- CXX='clang++-9 -stdlib=libc++'
- CONFIGUREFLAGS='CPPFLAGS=-DNDEBUG CFLAGS=-O3 CXXFLAGS=-O3'
- name: "Clang 8"
stage: check
os: linux
dist: bionic
@@ -305,7 +324,6 @@ jobs:
env:
- CC=clang-8
- CXX='clang++-8 -stdlib=libc++'
- CONFIGUREFLAGS='CPPFLAGS=-DNDEBUG CFLAGS=-O3 CXXFLAGS=-O3'
- name: "Clang 7"
stage: check

4
Makefile.am
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@@ -127,3 +127,7 @@ gen-ChangeLog:
--since=$(gen_start_date) > $$cl.tmp && \
mv -f $$cl.tmp $$cl; \
fi
# Useful to debug.
.c.i:
$(CC) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -o $@ -E $<

12
NEWS
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@@ -3,6 +3,18 @@ GNU Bison NEWS
* Noteworthy changes in release ?.? (????-??-??) [?]
* Noteworthy changes in release 3.6.2 (2020-05-17) [stable]
** Bug fixes
Some tests were fixed.
When token aliases contain comment delimiters:
%token FOO "/* foo */"
bison used to emit "nested" comments, which is invalid C.
* Noteworthy changes in release 3.6.1 (2020-05-10) [stable]
** Bug fixes

19
TODO
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@@ -130,6 +130,25 @@ Rici:
> At a minimum, the fact that yyclearin does not invoke the %destructor
> should be highlighted in the documentation, since it is not at all obvious.
** Issues in i18n
Les catégories d'avertissements incluent :
conflicts-sr conflits S/R (activé par défaut)
conflicts-rr conflits R/R (activé par défaut)
dangling-alias l'alias chaîne n'est pas attaché à un symbole
deprecated construction obsolète
empty-rule règle vide sans %empty
midrule-values valeurs de règle intermédiaire non définies ou inutilisées
precedence priorité et associativité inutiles
yacc incompatibilités avec POSIX Yacc
other tous les autres avertissements (activé par défaut)
all tous les avertissements sauf « dangling-alias » et « yacc »
no-CATEGORY désactiver les avertissements dans CATEGORIE
none désactiver tous les avertissements
error[=CATEGORY] traiter les avertissements comme des erreurs
Line -1 and -3 should mention CATEGORIE, not CATEGORY.
* Bison 3.8
** Unit rules / Injection rules (Akim Demaille)
Maybe we could expand unit rules (or "injections", see

6
data/skeletons/c-like.m4
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@@ -22,10 +22,14 @@
# Put TEXT in comment. Avoid trailing spaces: don't indent empty lines.
# Avoid adding indentation to the first line, as the indentation comes
# from OPEN. That's why we don't patsubst([$1], [^\(.\)], [ \1]).
# Turn "*/" in TEXT into "* /" so that we don't unexpectedly close
# the comments before its end.
#
# Prefix all the output lines with PREFIX.
m4_define([_b4_comment],
[$2[]m4_bpatsubst(m4_expand([[$1]]), [
[$2[]m4_bpatsubsts(m4_expand([$1]),
[[*]/], [*\\/],
[/[*]], [/\\*], [
\(.\)], [
$3\1])$4])

4
tests/c++.at
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@@ -161,8 +161,8 @@ int main()
{
parser::symbol_type s = parser::make_INT (12);
assert_eq (s.kind (), parser::symbol_kind::S_INT);
assert_eq (parser::symbol_name (s.kind ()), "\"int\"");
assert_eq (s.name (), "\"int\"");
assert_eq (parser::symbol_name (s.kind ()), std::string ("\"int\""));
assert_eq (s.name (), std::string ("\"int\""));
assert_eq (s.value.as<int> (), 12);
}

19
tests/input.at
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@@ -1352,8 +1352,20 @@ AT_BISON_CHECK([-fcaret input.y], [1], [],
]])
# Clang chokes on some of our comments, because it tries to "parse"
# some documentation directives in the comments:
#
# input.c:166:50: error: '\a' command does not have a valid word argument [-Werror,-Wdocumentation]
# FAKE = 258 /* "fake [] \a\b\f\n\r\t\v\"'?\\[\\ ??!??'??(??)??-??/??<??=??> \001\001" */
# ~~^
AT_DATA_GRAMMAR([input.y],
[[%{
[[%code requires {
#if defined __clang__ && 10 <= __clang_major__
# pragma clang diagnostic ignored "-Wdocumentation"
#endif
}
%{
/* This is seen in GCC: a %{ and %} in middle of a comment. */
const char *foo = "So %{ and %} can be here too.";
@@ -1424,6 +1436,11 @@ char quote[] = "@:>@@:>@,";
/* Exercise quotes in strings. */
%token FAKE "fake @<:@@:>@ \a\b\f\n\r\t\v\"\'\?\\\u005B\U0000005c ??!??'??(??)??-??/??<??=??> \x1\1"
/* Beware of the generated comments that embed string aliases that
might close the comment. */
%token COMMENT_CLOSE "*/"
%token COMMENT "/* comment */"
%%
/* Exercise M4 quoting: '@:>@@:>@', @<:@, 1. */
exp: '@<:@' '\1' two '$' '@' '{' oline output.or.oline.opt

1
tests/local.mk
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@@ -56,6 +56,7 @@ TESTSUITE_AT = \
%D%/java.at \
%D%/javapush.at \
%D%/local.at \
%D%/m4.at \
%D%/named-refs.at \
%D%/output.at \
%D%/package.m4 \

46
tests/m4.at Normal file
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@@ -0,0 +1,46 @@
# Basic m4 macros. -*- Autotest -*-
# Copyright (C) 2020 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
AT_BANNER([[M4 Macros.]])
AT_SETUP([Generating Comments])
AT_DATA([input.y],
[%%
exp:
])
AT_DATA([input.m4],
[[m4@&t@_include(b4_skeletonsdir/[c.m4])
b4_output_begin([output.txt])
b4_comment([["/* () */"]])
b4_comment([["/* ( */"]])
b4_comment([["/* ) */"]])
b4_output_end([output.txt])
]])
AT_BISON_CHECK([-S ./input.m4 input.y])
AT_CHECK([cat output.txt], [],
[/* "/\* () *\/" */
/* "/\* ( *\/" */
/* "/\* ) *\/" */
])
AT_CLEANUP

23
tests/regression.at
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@@ -372,8 +372,19 @@ m4_pushdef([AT_TEST],
AT_BISON_OPTION_PUSHDEFS([$1])
# Clang chokes on some of our comments, because it tries to "parse"
# some documentation directives in the comments:
#
# input.c:131:48: error: '\a' command does not have a valid word argument [-Werror,-Wdocumentation]
# SPECIAL = 261 /* "\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!" */
# ~~^
AT_DATA_GRAMMAR([input.y],
[%{
#if defined __clang__ && 10 <= __clang_major__
# pragma clang diagnostic ignored "-Wdocumentation"
#endif
]AT_YYERROR_DECLARE[
]AT_YYLEX_DECLARE[
%}
@@ -398,14 +409,14 @@ exp: ]AT_ERROR_VERBOSE_IF(["\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"], ["
# C-string literal. Also notice that unnecessary escaping, such as "\?", from
# the user specification is eliminated.
AT_BISON_CHECK([-fcaret -o input.c input.y], [[0]], [[]],
[[input.y:22.8-14: warning: symbol SPECIAL redeclared [-Wother]
22 | %token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"
[[input.y:26.8-14: warning: symbol SPECIAL redeclared [-Wother]
26 | %token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"
| ^~~~~~~
input.y:21.8-14: note: previous declaration
21 | %token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"
input.y:25.8-14: note: previous declaration
25 | %token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"
| ^~~~~~~
input.y:22.16-63: warning: symbol "\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!" used more than once as a literal string [-Wother]
22 | %token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"
input.y:26.16-63: warning: symbol "\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!" used more than once as a literal string [-Wother]
26 | %token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
]])

2
tests/testsuite.at
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@@ -16,6 +16,8 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Basic M4 macros.
m4_include([m4.at])
# Resistance to user bugs.
m4_include([input.at])