[RFC] lregex: replace gnu_regex with Onigmo regex engine

.travis.yml

@@ -44,6 +44,7 @@ addons:
       - gdb
       - valgrind
       - python3-docutils
+      - libtool
 
 env:
   - TARGET=Unix

Makefile.am

@@ -1,11 +1,11 @@
 include $(top_srcdir)/source.mak
 
+SUBDIRS = Onigmo
+
 EXTRA_DIST   = README.md autogen.sh \
 	       makefiles/list-optlib2c-input.mak misc/optlib2c \
 	       .ctags.d/exclusion.ctags .dir-locals.el .editorconfig .gdbinit .gitignore \
 	       .indent.pro .uncrustify.cfg \
-	       gnu_regex/README.txt gnu_regex/regcomp.c gnu_regex/regexec.c \
-	       gnu_regex/regex_internal.c gnu_regex/regex_internal.h \
 	       misc/ctags-optlib-mode.el \
 	       misc/mk-interactive-request.sh misc/roundtrip misc/tinst \
 	       misc/packcc/.gitignore misc/packcc/LICENSE.txt \
@@ -63,11 +63,6 @@ LIB_SRCS += $(FNMATCH_SRCS)
 LIB_HEADS += $(FNMATCH_HEADS)
 endif
 
-if !HAVE_REGCOMP
-LIB_SRCS += $(REGEX_SRCS)
-LIB_HEADS += $(REGEX_HEADS)
-endif
-
 if HAVE_LIBXML
 PARSER_SRCS += $(XML_SRCS)
 PARSER_HEADS += $(XML_HEADS)
@@ -93,7 +88,6 @@ if HAVE_STRNLEN
 libctags_a_CPPFLAGS += -DUSE_SYSTEM_STRNLEN
 endif
 libctags_a_CPPFLAGS+= $(FNMATCH_CPPFLAGS)
-libctags_a_CPPFLAGS+= $(REGCOMP_CPPFLAGS)
 libctags_a_CPPFLAGS+= -DHAVE_REPOINFO_H
 
 libctags_a_CFLAGS   =
@@ -151,7 +145,8 @@ dist_libctags_a_SOURCES = $(ALL_LIB_HEADS) $(ALL_LIB_SRCS)
 
 ctags_CPPFLAGS = $(libctags_a_CPPFLAGS)
 ctags_CFLAGS = $(libctags_a_CFLAGS)
-ctags_LDADD  =libctags.a
+ctags_LDADD  = libctags.a
+ctags_LDADD += $(top_builddir)/Onigmo/.libs/libonigmo.a
 ctags_LDADD += $(LIBXML_LIBS)
 ctags_LDADD += $(JANSSON_LIBS)
 ctags_LDADD += $(LIBYAML_LIBS)
@@ -175,6 +170,7 @@ endif
 mini_geany_CPPFLAGS = $(libctags_a_CPPFLAGS)
 mini_geany_CFLAGS = $(libctags_a_CFLAGS)
 mini_geany_LDADD  = libctags.a
+mini_geany_LDADD += $(top_builddir)/Onigmo/.libs/libonigmo.a
 mini_geany_LDADD += $(LIBXML_LIBS)
 mini_geany_LDADD += $(JANSSON_LIBS)
 mini_geany_LDADD += $(LIBYAML_LIBS)

Onigmo/.editorconfig

@@ -0,0 +1,42 @@
+; see: http://editorconfig.org/
+
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[**.[ch]]
+indent_style = tab
+indent_size = 2
+tab_width = 8
+
+[st.[ch]]
+indent_style = tab
+indent_size = 4
+tab_width = 8
+
+[**.py]
+indent_style = space
+indent_size = 4
+
+[**.rb]
+indent_style = space
+indent_size = 2
+
+[**.yml]
+indent_style = space
+indent_size = 2
+
+[HISTORY]
+indent_style = space
+
+[doc/*]
+indent_style = space
+
+[win32/*]
+end_of_line = crlf
+
+[win32/*.py]
+end_of_line = lf

Onigmo/.gitignore

@@ -0,0 +1,89 @@
+# ignore dot-files, binary files and backup files
+.*
+*.o
+*.lo
+*.so
+*.a
+*.la
+*.obj
+*.def
+*.dll
+*.exe
+*.exp
+*.lib
+*.pdb
+*.pyc
+*.bak
+*.BAK
+*~
+*.swp
+*.orig
+*.rej
+*.RES
+*.res
+
+# gcov files
+*.gcda
+*.gcno
+*.gcov
+
+# don't want to ignore
+!.gitignore
+!.editorconfig
+!.travis.yml
+
+# working dirs
+.deps
+.libs
+/build*/
+
+# autotools generated files
+/aclocal.m4
+/autom4te.cache
+/compile
+/config.guess
+/config.h
+/config.h.in
+/config.log
+/config.status
+/config.sub
+/configure
+/depcomp
+/install-sh
+/libtool
+/ltmain.sh
+/m4/*.m4
+/missing
+/onigmo-config
+/onigmo.pc
+/Makefile
+/Makefile.in
+/sample/Makefile
+/sample/Makefile.in
+/stamp-h1
+/test-driver
+
+# generated executable files
+/enc/mktable
+/sample/crnl
+/sample/encode
+/sample/listcap
+/sample/names
+/sample/posix
+/sample/scan
+/sample/simple
+/sample/sql
+/sample/syntax
+/testc
+/testcu
+/testp
+
+# tag files
+tags
+TAGS
+
+# GNU global files
+GPATH
+GRTAGS
+GSYMS
+GTAGS

Onigmo/.travis.yml

@@ -0,0 +1,35 @@
+language: c
+
+branches:
+  except:
+    - ruby-2.x
+
+compiler:
+  - gcc
+  - clang
+
+env:
+  - CFLAGS=--coverage CONFOPT=
+
+sudo: false
+
+addons:
+  apt:
+    packages:
+      - lcov
+      #- python3
+
+before_install:
+  - gem install lcoveralls
+
+before_script:
+  - ./autogen.sh
+  - ./configure $CONFOPT && make
+
+script:
+  - make test
+
+after_success:
+  - lcov -c -d .libs -d enc/.libs -o coverage.info
+  - lcoveralls --retry-count 5 coverage.info
+  - bash <(curl -s https://codecov.io/bash)

Onigmo/AUTHORS

@@ -0,0 +1,2 @@
+kentkt AT csc DOT jp (K.Takata)
+<kkosako0@gmail.com> (K.Kosako)

Onigmo/COPYING

@@ -0,0 +1,83 @@
+Onigmo (Oniguruma-mod) LICENSE
+------------------------------
+
+Copyright (c) 2002-2018  K.Kosako  <kkosako0@gmail.com>
+Copyright (c) 2011-2019  K.Takata  <kentkt AT csc DOT jp>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+
+
+Oniguruma LICENSE
+-----------------
+
+Copyright (c) 2002-2018  K.Kosako  <kkosako0@gmail.com>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+
+
+Ruby BSDL
+---------
+Copyright (C) 1993-2013 Yukihiro Matsumoto. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.