dev-lua/lua-cjson: migrate to lua eclass

Closes: https://bugs.gentoo.org/752618
Package-Manager: Portage-3.0.9, Repoman-3.0.2
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

2 files changed, 248 insertions, 0 deletions

diff --git a/dev-lua/lua-cjson/files/lua-cjson-2.1.0.8-lua52.patch b/dev-lua/lua-cjson/files/lua-cjson-2.1.0.8-lua52.patch
new file mode 100644
index 000000000000..8f8c98243f1f
--- /dev/null
+++ b/dev-lua/lua-cjson/files/lua-cjson-2.1.0.8-lua52.patch
@@ -0,0 +1,143 @@
+From e8dddaf2c9c370f3676441304955d81543c5cceb Mon Sep 17 00:00:00 2001
+From: leaf corcoran <leafot@gmail.com>
+Date: Sat, 21 Sep 2019 17:31:38 -0700
+Subject: [PATCH 1/5] support lua 5.2 with LUA_COMPAT_ALL
+
+---
+ lua_cjson.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/lua_cjson.c b/lua_cjson.c
+index 2a69699..83118b1 100644
+--- a/lua_cjson.c
++++ b/lua_cjson.c
+@@ -36,6 +36,9 @@
+  *       difficult to know object/array sizes ahead of time.
+  */
+ 
++
++#define LUA_COMPAT_ALL 1
++
+ #include <assert.h>
+ #include <stdint.h>
+ #include <string.h>
+
+From 2b3c3c866701a0110a6ac50a9bec9f23adc2956e Mon Sep 17 00:00:00 2001
+From: leaf corcoran <leafot@gmail.com>
+Date: Sat, 21 Sep 2019 18:01:05 -0700
+Subject: [PATCH 2/5] support lua 5.3 with LUA_COMPAT_5_1
+
+---
+ lua_cjson.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/lua_cjson.c b/lua_cjson.c
+index 83118b1..9d25f7c 100644
+--- a/lua_cjson.c
++++ b/lua_cjson.c
+@@ -38,6 +38,7 @@
+ 
+ 
+ #define LUA_COMPAT_ALL 1
++#define LUA_COMPAT_5_1 1
+ 
+ #include <assert.h>
+ #include <stdint.h>
+
+From 639c4a38bf0b1bddef4bfdb22bb6a3f8493cc3fe Mon Sep 17 00:00:00 2001
+From: leaf corcoran <leafot@gmail.com>
+Date: Sat, 21 Sep 2019 18:18:27 -0700
+Subject: [PATCH 3/5] Lua 5.2+ unpack support
+
+---
+ lua/cjson/util.lua | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/lua/cjson/util.lua b/lua/cjson/util.lua
+index 5d80106..48fa33c 100644
+--- a/lua/cjson/util.lua
++++ b/lua/cjson/util.lua
+@@ -1,5 +1,7 @@
+ local json = require "cjson"
+ 
++local unpack = unpack or table.unpack
++
+ -- Various common routines used by the Lua CJSON package
+ --
+ -- Mark Pulford <mark@kyne.com.au>
+
+From 9163dd3c431bd7ab45bdb218c32c8c9633ddf2cc Mon Sep 17 00:00:00 2001
+From: leaf corcoran <leafot@gmail.com>
+Date: Sat, 21 Sep 2019 18:43:47 -0700
+Subject: [PATCH 4/5] Lua 5.2+ maxn support
+
+---
+ lua/cjson/util.lua | 12 +++++++++++-
+ 1 file changed, 11 insertions(+), 1 deletion(-)
+
+diff --git a/lua/cjson/util.lua b/lua/cjson/util.lua
+index 48fa33c..2405257 100644
+--- a/lua/cjson/util.lua
++++ b/lua/cjson/util.lua
+@@ -2,6 +2,16 @@ local json = require "cjson"
+ 
+ local unpack = unpack or table.unpack
+ 
++local maxn = table.maxn or function(t)
++    local max = 0
++    for k,v in pairs(t) do
++        if type(k) == "number" and k > max then
++            max = k
++        end
++    end
++    return max
++end
++
+ -- Various common routines used by the Lua CJSON package
+ --
+ -- Mark Pulford <mark@kyne.com.au>
+@@ -194,7 +204,7 @@ local function run_test(testname, func, input, should_work, output)
+     local result = {}
+     local tmp = { pcall(func, unpack(input)) }
+     local success = tmp[1]
+-    for i = 2, table.maxn(tmp) do
++    for i = 2, maxn(tmp) do
+         result[i - 1] = tmp[i]
+     end
+ 
+
+From c390998582b959389d0fc039743c96e861902587 Mon Sep 17 00:00:00 2001
+From: leaf corcoran <leafot@gmail.com>
+Date: Sun, 22 Sep 2019 13:43:18 -0700
+Subject: [PATCH 5/5] use macro instead of header defines for Lua 5.2+ support
+
+---
+ lua_cjson.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/lua_cjson.c b/lua_cjson.c
+index 9d25f7c..718a5b9 100644
+--- a/lua_cjson.c
++++ b/lua_cjson.c
+@@ -36,10 +36,6 @@
+  *       difficult to know object/array sizes ahead of time.
+  */
+ 
+-
+-#define LUA_COMPAT_ALL 1
+-#define LUA_COMPAT_5_1 1
+-
+ #include <assert.h>
+ #include <stdint.h>
+ #include <string.h>
+@@ -105,6 +101,10 @@
+ #define json_lightudata_mask(ludata)    (ludata)
+ #endif
+ 
++#if LUA_VERSION_NUM > 501
++#define lua_objlen(L,i)		lua_rawlen(L, (i))
++#endif
++
+ static const char * const *json_empty_array;
+ static const char * const *json_array;
+ 
diff --git a/dev-lua/lua-cjson/lua-cjson-2.1.0.8-r100.ebuild b/dev-lua/lua-cjson/lua-cjson-2.1.0.8-r100.ebuild
new file mode 100644
index 000000000000..c7ff3172c0be
--- /dev/null
+++ b/dev-lua/lua-cjson/lua-cjson-2.1.0.8-r100.ebuild
@@ -0,0 +1,105 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+LUA_COMPAT=( lua5-{1..3} luajit )
+
+inherit lua toolchain-funcs
+
+DESCRIPTION="A fast JSON encoding/parsing module for Lua"
+HOMEPAGE="https://www.kyne.com.au/~mark/software/lua-cjson.php https://github.com/openresty/lua-cjson"
+SRC_URI="https://github.com/openresty/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+IUSE="+internal-fpconv test +threads"
+REQUIRED_USE="
+	threads? ( internal-fpconv )
+	${LUA_REQUIRED_USE}
+"
+RESTRICT="!test? ( test )"
+
+RDEPEND="${LUA_DEPS}"
+DEPEND="${RDEPEND}"
+BDEPEND="test? ( dev-lang/perl )"
+
+DOCS=( "manual.txt" "NEWS" "performance.txt" "README.md" "THANKS" )
+
+PATCHES=(
+	"${FILESDIR}/${PN}-2.1.0.8-sparse_array_test_fix.patch"
+	"${FILESDIR}/${PN}-2.1.0.8-lua52.patch"
+)
+
+src_prepare() {
+	default
+
+	# Don't install tests
+	sed -e '/cd tests/d' -i Makefile || die
+
+	lua_copy_sources
+}
+
+lua_src_compile() {
+	pushd "${BUILD_DIR}" || die
+
+	local myemakeargs=(
+		"CC=$(tc-getCC)"
+		"CFLAGS=${CFLAGS}"
+		"LDFLAGS=${LDFLAGS}"
+		"LUA_INCLUDE_DIR=$(lua_get_include_dir)"
+	)
+
+	emake "${myemakeargs[@]}"
+
+	popd
+}
+
+src_compile() {
+	lua_foreach_impl lua_src_compile
+}
+
+lua_src_test() {
+	if ! [[ ${ELUA} == "lua5.3" ]]; then
+		pushd "${BUILD_DIR}" || die
+		cd tests || die
+
+		ln -s "${BUILD_DIR}"/cjson.so ./ || die
+		ln -s "${S}"/lua/cjson ./ || die
+
+		./genutf8.pl || die
+		./test.lua || die
+
+		popd
+	else
+		ewarn "Not running tests under ${ELUA} because they are known to fail"
+		ewarn "See: https://github.com/openresty/lua-cjson/pull/50"
+		return
+	fi
+}
+
+src_test() {
+	lua_foreach_impl lua_src_test
+}
+
+lua_src_install() {
+	pushd "${BUILD_DIR}" || die
+
+	local myemakeargs=(
+		"DESTDIR=${D}"
+		"LUA_CMODULE_DIR=$(lua_get_lmod_dir)"
+		"LUA_MODULE_DIR=$(lua_get_lmod_dir)"
+		"PREFIX=${EPREFIX}/usr"
+	)
+
+	emake "${myemakeargs[@]}" install install-extra
+
+	popd
+}
+
+src_install() {
+	lua_foreach_impl lua_src_install
+
+	einstalldocs
+}