[tarantool-patches] [error 1/3] lua: moving lua error functions to separate file
Ilya Markov
imarkov at tarantool.org
Fri May 4 17:07:18 MSK 2018
Refactoring. Move lua error functions to separate file.
Prerequisite #677
---
src/CMakeLists.txt | 3 +
src/box/func.c | 1 +
src/box/lua/call.c | 1 +
src/box/lua/cfg.cc | 3 +-
src/box/lua/ctl.c | 1 +
src/box/lua/error.cc | 1 +
src/box/lua/index.c | 1 +
src/box/lua/init.c | 1 +
src/box/lua/misc.cc | 1 +
src/box/lua/sequence.c | 1 +
src/box/lua/session.c | 1 +
src/box/lua/tuple.c | 1 +
src/box/lua/xlog.c | 1 +
src/lua/error.c | 117 +++++++++++++++++++++++++++++++++++++
src/lua/error.h | 67 +++++++++++++++++++++
src/lua/error.lua | 156 +++++++++++++++++++++++++++++++++++++++++++++++++
src/lua/fiber.c | 1 +
src/lua/fio.c | 1 +
src/lua/httpc.c | 1 +
src/lua/init.c | 4 ++
src/lua/init.lua | 150 +----------------------------------------------
src/lua/pickle.c | 1 +
src/lua/socket.c | 1 +
src/lua/utils.c | 77 +-----------------------
src/lua/utils.h | 14 -----
25 files changed, 368 insertions(+), 239 deletions(-)
create mode 100644 src/lua/error.c
create mode 100644 src/lua/error.h
create mode 100644 src/lua/error.lua
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8ab09e9..f5c5bec 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -24,6 +24,7 @@ lua_source(lua_sources lua/fiber.lua)
lua_source(lua_sources lua/buffer.lua)
lua_source(lua_sources lua/uuid.lua)
lua_source(lua_sources lua/crypto.lua)
+lua_source(lua_sources lua/error.lua)
lua_source(lua_sources lua/digest.lua)
lua_source(lua_sources lua/msgpackffi.lua)
lua_source(lua_sources lua/uri.lua)
@@ -159,6 +160,7 @@ set (server_sources
lua/msgpack.c
lua/utils.c
lua/errno.c
+ lua/error.c
lua/socket.c
lua/pickle.c
lua/fio.c
@@ -180,6 +182,7 @@ set(api_headers
${CMAKE_SOURCE_DIR}/src/coio.h
${CMAKE_SOURCE_DIR}/src/coio_task.h
${CMAKE_SOURCE_DIR}/src/lua/utils.h
+ ${CMAKE_SOURCE_DIR}/src/lua/error.h
${CMAKE_SOURCE_DIR}/src/box/txn.h
${CMAKE_SOURCE_DIR}/src/box/key_def.h
${CMAKE_SOURCE_DIR}/src/box/field_def.h
diff --git a/src/box/func.c b/src/box/func.c
index dfbc5f3..72336c1 100644
--- a/src/box/func.c
+++ b/src/box/func.c
@@ -32,6 +32,7 @@
#include "trivia/config.h"
#include "assoc.h"
#include "lua/utils.h"
+#include <lua/error.h>
#include "error.h"
#include "diag.h"
#include <dlfcn.h>
diff --git a/src/box/lua/call.c b/src/box/lua/call.c
index be13812..dbab02b 100644
--- a/src/box/lua/call.c
+++ b/src/box/lua/call.c
@@ -28,6 +28,7 @@
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
+#include <lua/error.h>
#include "box/lua/call.h"
#include "box/call.h"
#include "box/error.h"
diff --git a/src/box/lua/cfg.cc b/src/box/lua/cfg.cc
index 5e88ca3..99fa63e 100644
--- a/src/box/lua/cfg.cc
+++ b/src/box/lua/cfg.cc
@@ -33,8 +33,9 @@
#include "exception.h"
#include <cfg.h>
-#include "main.h"
#include "lua/utils.h"
+#include <lua/error.h>
+#include "main.h"
#include "box/box.h"
#include "libeio/eio.h"
diff --git a/src/box/lua/ctl.c b/src/box/lua/ctl.c
index 9a105ed..2ede16a 100644
--- a/src/box/lua/ctl.c
+++ b/src/box/lua/ctl.c
@@ -35,6 +35,7 @@
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
+#include <lua/error.h>
#include "lua/utils.h"
diff --git a/src/box/lua/error.cc b/src/box/lua/error.cc
index 3149074..2adf123 100644
--- a/src/box/lua/error.cc
+++ b/src/box/lua/error.cc
@@ -38,6 +38,7 @@ extern "C" {
#include <fiber.h>
#include <errinj.h>
+#include <lua/error.h>
#include "lua/utils.h"
#include "box/error.h"
diff --git a/src/box/lua/index.c b/src/box/lua/index.c
index 6dfa648..116c369 100644
--- a/src/box/lua/index.c
+++ b/src/box/lua/index.c
@@ -28,6 +28,7 @@
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
+#include <lua/error.h>
#include "box/lua/index.h"
#include "lua/utils.h"
#include "box/box.h"
diff --git a/src/box/lua/init.c b/src/box/lua/init.c
index 7547758..0fdaaf9 100644
--- a/src/box/lua/init.c
+++ b/src/box/lua/init.c
@@ -33,6 +33,7 @@
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
+#include <lua/error.h>
#include "lua/utils.h" /* luaT_error() */
diff --git a/src/box/lua/misc.cc b/src/box/lua/misc.cc
index bc76065..f3e6021 100644
--- a/src/box/lua/misc.cc
+++ b/src/box/lua/misc.cc
@@ -33,6 +33,7 @@
#include "fiber.h" /* fiber->gc() */
#include <small/region.h>
#include "lua/utils.h"
+#include <lua/error.h>
#include "lua/msgpack.h"
#include "box/box.h"
diff --git a/src/box/lua/sequence.c b/src/box/lua/sequence.c
index 2fead2e..9e8322a 100644
--- a/src/box/lua/sequence.c
+++ b/src/box/lua/sequence.c
@@ -28,6 +28,7 @@
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
+#include <lua/error.h>
#include "box/lua/sequence.h"
#include "box/lua/tuple.h"
#include "lua/utils.h"
diff --git a/src/box/lua/session.c b/src/box/lua/session.c
index 51caf19..277b710 100644
--- a/src/box/lua/session.c
+++ b/src/box/lua/session.c
@@ -36,6 +36,7 @@
#include <lauxlib.h>
#include <lualib.h>
#include <sio.h>
+#include <lua/error.h>
#include "box/box.h"
#include "box/session.h"
diff --git a/src/box/lua/tuple.c b/src/box/lua/tuple.c
index 7ca4299..cb4969e 100644
--- a/src/box/lua/tuple.c
+++ b/src/box/lua/tuple.c
@@ -36,6 +36,7 @@
#include <small/ibuf.h>
#include <small/region.h>
#include <fiber.h>
+#include <lua/error.h>
#include "box/tuple.h"
#include "box/tuple_convert.h"
diff --git a/src/box/lua/xlog.c b/src/box/lua/xlog.c
index 030f5c2..583cc28 100644
--- a/src/box/lua/xlog.c
+++ b/src/box/lua/xlog.c
@@ -43,6 +43,7 @@
#include <box/lua/tuple.h>
#include <lua/msgpack.h>
#include <lua/utils.h>
+#include <lua/error.h>
#include "box/memtx_tuple.h"
/* {{{ Helpers */
diff --git a/src/lua/error.c b/src/lua/error.c
new file mode 100644
index 0000000..d660e4c
--- /dev/null
+++ b/src/lua/error.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2010-2018, Tarantool AUTHORS, please see AUTHORS file.
+ *
+ * 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 <COPYRIGHT HOLDER> ``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
+ * <COPYRIGHT HOLDER> 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.
+ */
+
+#include <diag.h>
+#include <fiber.h>
+#include "utils.h"
+#include "error.h"
+
+static int CTID_CONST_STRUCT_ERROR_REF = 0;
+
+int
+luaT_error(lua_State *L)
+{
+ struct error *e = diag_last_error(&fiber()->diag);
+ assert(e != NULL);
+ error_ref(e);
+ /*
+ * gh-1955 luaT_pusherror allocates Lua objects, thus it may trigger
+ * GC. GC may invoke finalizers which are arbitrary Lua code,
+ * potentially invalidating last error object, hence error_ref
+ * below.
+ */
+ luaT_pusherror(L, e);
+ error_unref(e);
+ lua_error(L);
+ unreachable();
+ return 0;
+}
+
+struct error *
+luaL_iserror(struct lua_State *L, int narg)
+{
+ assert(CTID_CONST_STRUCT_ERROR_REF != 0);
+ if (lua_type(L, narg) != LUA_TCDATA)
+ return NULL;
+
+ uint32_t ctypeid;
+ void *data = luaL_checkcdata(L, narg, &ctypeid);
+ if (ctypeid != (uint32_t) CTID_CONST_STRUCT_ERROR_REF)
+ return NULL;
+
+ struct error *e = *(struct error **) data;
+ assert(e->refs);
+ return e;
+}
+
+static struct error *
+luaL_checkerror(struct lua_State *L, int narg)
+{
+ struct error *error = luaL_iserror(L, narg);
+ if (error == NULL) {
+ luaL_error(L, "Invalid argument #%d (error expected, got %s)",
+ narg, lua_typename(L, lua_type(L, narg)));
+ }
+ return error;
+}
+
+static int
+luaL_error_gc(struct lua_State *L)
+{
+ struct error *error = luaL_checkerror(L, 1);
+ error_unref(error);
+ return 0;
+}
+
+void
+luaT_pusherror(struct lua_State *L, struct error *e)
+{
+ assert(CTID_CONST_STRUCT_ERROR_REF != 0);
+ struct error **ptr = (struct error **)
+ luaL_pushcdata(L, CTID_CONST_STRUCT_ERROR_REF);
+ *ptr = e;
+ /* The order is important - first reference the error, then set gc */
+ error_ref(e);
+ lua_pushcfunction(L, luaL_error_gc);
+ luaL_setcdatagc(L, -2);
+}
+
+void
+tarantool_lua_error_init(struct lua_State *L)
+{
+
+ /* Get CTypeID for `struct error *' */
+ int rc = luaL_cdef(L, "struct error;");
+ assert(rc == 0);
+ (void) rc;
+ CTID_CONST_STRUCT_ERROR_REF = luaL_ctypeid(L, "const struct error &");
+ assert(CTID_CONST_STRUCT_ERROR_REF != 0);
+}
diff --git a/src/lua/error.h b/src/lua/error.h
new file mode 100644
index 0000000..ee489da
--- /dev/null
+++ b/src/lua/error.h
@@ -0,0 +1,67 @@
+#ifndef TARANTOOL_ERROR_H
+#define TARANTOOL_ERROR_H
+/*
+ * Copyright 2010-2018, Tarantool AUTHORS, please see AUTHORS file.
+ *
+ * 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 <COPYRIGHT HOLDER> ``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
+ * <COPYRIGHT HOLDER> 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.
+ */
+#include <lua.h>
+#include <lauxlib.h> /* luaL_error */
+
+#if defined(__cplusplus)
+extern "C" {
+#endif /* defined(__cplusplus) */
+
+
+/** \cond public */
+struct error;
+
+/**
+ * Re-throws the last Tarantool error as a Lua object.
+ * \sa lua_error()
+ * \sa box_error_last()
+ */
+LUA_API int
+luaT_error(lua_State *L);
+
+void
+luaT_pusherror(struct lua_State *L, struct error *e);
+/** \endcond public */
+
+
+struct error *
+luaL_iserror(struct lua_State *L, int narg);
+
+void
+tarantool_lua_error_init(struct lua_State *L);
+
+#if defined(__cplusplus)
+} /* extern "C" */
+#endif /* defined(__cplusplus) */
+
+#endif //TARANTOOL_ERROR_H
diff --git a/src/lua/error.lua b/src/lua/error.lua
new file mode 100644
index 0000000..a402378
--- /dev/null
+++ b/src/lua/error.lua
@@ -0,0 +1,156 @@
+-- error.lua (internal file)
+
+local ffi = require('ffi')
+ffi.cdef[[
+enum { METHOD_ARG_MAX = 8 };
+
+struct method_info {
+ const struct type_info *owner;
+ const char *name;
+ enum ctype rtype;
+ enum ctype atype[METHOD_ARG_MAX];
+ int nargs;
+ bool isconst;
+
+ union {
+ /* Add extra space to get proper struct size in C */
+ void *_spacer[2];
+ };
+};
+
+char *
+exception_get_string(struct error *e, const struct method_info *method);
+int
+exception_get_int(struct error *e, const struct method_info *method);
+
+]]
+
+local REFLECTION_CACHE = {}
+
+local function reflection_enumerate(err)
+ local key = tostring(err._type)
+ local result = REFLECTION_CACHE[key]
+ if result ~= nil then
+ return result
+ end
+ result = {}
+ -- See type_foreach_method() in reflection.h
+ local t = err._type
+ while t ~= nil do
+ local m = t.methods
+ while m.name ~= nil do
+ result[ffi.string(m.name)] = m
+ m = m + 1
+ end
+ t = t.parent
+ end
+ REFLECTION_CACHE[key] = result
+ return result
+end
+
+local function reflection_get(err, method)
+ if method.nargs ~= 0 then
+ return nil -- NYI
+ end
+ if method.rtype == ffi.C.CTYPE_INT then
+ return tonumber(ffi.C.exception_get_int(err, method))
+ elseif method.rtype == ffi.C.CTYPE_CONST_CHAR_PTR then
+ local str = ffi.C.exception_get_string(err, method)
+ if str == nil then
+ return nil
+ end
+ return ffi.string(str)
+ end
+end
+
+local function error_type(err)
+ return ffi.string(err._type.name)
+end
+
+local function error_message(err)
+ return ffi.string(err._errmsg)
+end
+
+local function error_trace(err)
+ if err._file[0] == 0 then
+ return {}
+ end
+ return {
+ { file = ffi.string(err._file), line = tonumber(err._line) };
+ }
+end
+
+
+local error_fields = {
+ ["type"] = error_type;
+ ["message"] = error_message;
+ ["trace"] = error_trace;
+}
+
+local function error_unpack(err)
+ if not ffi.istype('struct error', err) then
+ error("Usage: error:unpack()")
+ end
+ local result = {}
+ for key, getter in pairs(error_fields) do
+ result[key] = getter(err)
+ end
+ for key, getter in pairs(reflection_enumerate(err)) do
+ local value = reflection_get(err, getter)
+ if value ~= nil then
+ result[key] = value
+ end
+ end
+ return result
+end
+
+local function error_raise(err)
+ if not ffi.istype('struct error', err) then
+ error("Usage: error:raise()")
+ end
+ error(err)
+end
+
+local function error_match(err, ...)
+ if not ffi.istype('struct error', err) then
+ error("Usage: error:match()")
+ end
+ return string.match(error_message(err), ...)
+end
+
+local function error_serialize(err)
+ -- Return an error message only in admin console to keep compatibility
+ return error_message(err)
+end
+
+local error_methods = {
+ ["unpack"] = error_unpack;
+ ["raise"] = error_raise;
+ ["match"] = error_match; -- Tarantool 1.6 backward compatibility
+ ["__serialize"] = error_serialize;
+}
+
+local function error_index(err, key)
+ local getter = error_fields[key]
+ if getter ~= nil then
+ return getter(err)
+ end
+ getter = reflection_enumerate(err)[key]
+ if getter ~= nil and getter.nargs == 0 then
+ local val = reflection_get(err, getter)
+ if val ~= nil then
+ return val
+ end
+ end
+ return error_methods[key]
+end
+
+
+local error_mt = {
+ __index = error_index;
+ __tostring = error_message;
+};
+
+ffi.metatype('struct error', error_mt);
+
+return error
\ No newline at end of file
diff --git a/src/lua/fiber.c b/src/lua/fiber.c
index 83b5825..7ab3808 100644
--- a/src/lua/fiber.c
+++ b/src/lua/fiber.c
@@ -31,6 +31,7 @@
#include "lua/fiber.h"
#include <fiber.h>
+#include "lua/error.h"
#include "lua/utils.h"
#include "backtrace.h"
diff --git a/src/lua/fio.c b/src/lua/fio.c
index 806f425..a58dbf3 100644
--- a/src/lua/fio.c
+++ b/src/lua/fio.c
@@ -46,6 +46,7 @@
#include "lua/utils.h"
#include "coio_file.h"
+#include "lua/error.h"
static inline void
lbox_fio_pushsyserror(struct lua_State *L)
diff --git a/src/lua/httpc.c b/src/lua/httpc.c
index 45abb98..203e929 100644
--- a/src/lua/httpc.c
+++ b/src/lua/httpc.c
@@ -40,6 +40,7 @@
#include "lua/utils.h"
#include "lua/httpc.h"
#include "src/fiber.h"
+#include "lua/error.h"
/** Internal util functions
* {{{
diff --git a/src/lua/init.c b/src/lua/init.c
index a0a7f63..257c6c9 100644
--- a/src/lua/init.c
+++ b/src/lua/init.c
@@ -58,6 +58,7 @@
#include "lua/fio.h"
#include "lua/httpc.h"
#include "digest.h"
+#include "error.h"
#include <small/ibuf.h>
#include <ctype.h>
@@ -95,6 +96,7 @@ extern char strict_lua[],
help_en_US_lua[],
tap_lua[],
fio_lua[],
+ error_lua[],
argparse_lua[],
iconv_lua[],
/* jit.* library */
@@ -134,6 +136,7 @@ static const char *lua_modules[] = {
"log", log_lua,
"uri", uri_lua,
"fio", fio_lua,
+ "error", error_lua,
"csv", csv_lua,
"clock", clock_lua,
"socket", socket_lua,
@@ -404,6 +407,7 @@ tarantool_lua_init(const char *tarantool_bin, int argc, char **argv)
tarantool_lua_fiber_cond_init(L);
tarantool_lua_fiber_channel_init(L);
tarantool_lua_errno_init(L);
+ tarantool_lua_error_init(L);
tarantool_lua_fio_init(L);
tarantool_lua_socket_init(L);
tarantool_lua_pickle_init(L);
diff --git a/src/lua/init.lua b/src/lua/init.lua
index 83f2c8d..5d08151 100644
--- a/src/lua/init.lua
+++ b/src/lua/init.lua
@@ -1,10 +1,10 @@
+
-- init.lua -- internal file
local ffi = require('ffi')
ffi.cdef[[
struct type_info;
struct method_info;
-struct error;
enum ctype {
CTYPE_VOID = 0,
@@ -39,27 +39,6 @@ struct error {
char _errmsg[DIAG_ERRMSG_MAX];
};
-enum { METHOD_ARG_MAX = 8 };
-
-struct method_info {
- const struct type_info *owner;
- const char *name;
- enum ctype rtype;
- enum ctype atype[METHOD_ARG_MAX];
- int nargs;
- bool isconst;
-
- union {
- /* Add extra space to get proper struct size in C */
- void *_spacer[2];
- };
-};
-
-char *
-exception_get_string(struct error *e, const struct method_info *method);
-int
-exception_get_int(struct error *e, const struct method_info *method);
-
double
tarantool_uptime(void);
typedef int32_t pid_t;
@@ -68,132 +47,6 @@ pid_t getpid(void);
local fio = require("fio")
-local REFLECTION_CACHE = {}
-
-local function reflection_enumerate(err)
- local key = tostring(err._type)
- local result = REFLECTION_CACHE[key]
- if result ~= nil then
- return result
- end
- result = {}
- -- See type_foreach_method() in reflection.h
- local t = err._type
- while t ~= nil do
- local m = t.methods
- while m.name ~= nil do
- result[ffi.string(m.name)] = m
- m = m + 1
- end
- t = t.parent
- end
- REFLECTION_CACHE[key] = result
- return result
-end
-
-local function reflection_get(err, method)
- if method.nargs ~= 0 then
- return nil -- NYI
- end
- if method.rtype == ffi.C.CTYPE_INT then
- return tonumber(ffi.C.exception_get_int(err, method))
- elseif method.rtype == ffi.C.CTYPE_CONST_CHAR_PTR then
- local str = ffi.C.exception_get_string(err, method)
- if str == nil then
- return nil
- end
- return ffi.string(str)
- end
-end
-
-local function error_type(err)
- return ffi.string(err._type.name)
-end
-
-local function error_message(err)
- return ffi.string(err._errmsg)
-end
-
-local function error_trace(err)
- if err._file[0] == 0 then
- return {}
- end
- return {
- { file = ffi.string(err._file), line = tonumber(err._line) };
- }
-end
-
-local error_fields = {
- ["type"] = error_type;
- ["message"] = error_message;
- ["trace"] = error_trace;
-}
-
-local function error_unpack(err)
- if not ffi.istype('struct error', err) then
- error("Usage: error:unpack()")
- end
- local result = {}
- for key, getter in pairs(error_fields) do
- result[key] = getter(err)
- end
- for key, getter in pairs(reflection_enumerate(err)) do
- local value = reflection_get(err, getter)
- if value ~= nil then
- result[key] = value
- end
- end
- return result
-end
-
-local function error_raise(err)
- if not ffi.istype('struct error', err) then
- error("Usage: error:raise()")
- end
- error(err)
-end
-
-local function error_match(err, ...)
- if not ffi.istype('struct error', err) then
- error("Usage: error:match()")
- end
- return string.match(error_message(err), ...)
-end
-
-local function error_serialize(err)
- -- Return an error message only in admin console to keep compatibility
- return error_message(err)
-end
-
-local error_methods = {
- ["unpack"] = error_unpack;
- ["raise"] = error_raise;
- ["match"] = error_match; -- Tarantool 1.6 backward compatibility
- ["__serialize"] = error_serialize;
-}
-
-local function error_index(err, key)
- local getter = error_fields[key]
- if getter ~= nil then
- return getter(err)
- end
- getter = reflection_enumerate(err)[key]
- if getter ~= nil and getter.nargs == 0 then
- local val = reflection_get(err, getter)
- if val ~= nil then
- return val
- end
- end
- return error_methods[key]
-end
-
-local error_mt = {
- __index = error_index;
- __tostring = error_message;
-};
-
-ffi.metatype('struct error', error_mt);
-
dostring = function(s, ...)
local chunk, message = loadstring(s)
if chunk == nil then
@@ -343,6 +196,7 @@ table.insert(package.loaders, 5, rocks_loader_func(true))
-- croot 8
package.search = search
+
return {
uptime = uptime;
pid = pid;
diff --git a/src/lua/pickle.c b/src/lua/pickle.c
index e47ac11..4238491 100644
--- a/src/lua/pickle.c
+++ b/src/lua/pickle.c
@@ -41,6 +41,7 @@
#include "lua/msgpack.h" /* luaL_msgpack_default */
#include <fiber.h>
#include "bit/bit.h"
+#include "lua/error.h"
static inline void
luaL_region_dup(struct lua_State *L, struct region *region,
diff --git a/src/lua/socket.c b/src/lua/socket.c
index 14d49d1..1ed8021 100644
--- a/src/lua/socket.c
+++ b/src/lua/socket.c
@@ -53,6 +53,7 @@
#include <coio_task.h> /* coio_getaddrinfo() */
#include <fiber.h>
#include "lua/utils.h"
+#include "lua/error.h"
#include "lua/fiber.h"
extern int coio_wait(int fd, int event, double timeout);
diff --git a/src/lua/utils.c b/src/lua/utils.c
index 2094bcc..bf1548b 100644
--- a/src/lua/utils.c
+++ b/src/lua/utils.c
@@ -29,6 +29,7 @@
* SUCH DAMAGE.
*/
#include "lua/utils.h"
+#include "error.h"
#include <assert.h>
#include <errno.h>
@@ -40,7 +41,6 @@
int luaL_nil_ref = LUA_REFNIL;
int luaL_map_metatable_ref = LUA_REFNIL;
int luaL_array_metatable_ref = LUA_REFNIL;
-static int CTID_CONST_STRUCT_ERROR_REF = 0;
void *
luaL_pushcdata(struct lua_State *L, uint32_t ctypeid)
@@ -843,73 +843,6 @@ luaL_toint64(struct lua_State *L, int idx)
return 0;
}
-struct error *
-luaL_iserror(struct lua_State *L, int narg)
-{
- assert(CTID_CONST_STRUCT_ERROR_REF != 0);
- if (lua_type(L, narg) != LUA_TCDATA)
- return NULL;
-
- uint32_t ctypeid;
- void *data = luaL_checkcdata(L, narg, &ctypeid);
- if (ctypeid != (uint32_t) CTID_CONST_STRUCT_ERROR_REF)
- return NULL;
-
- struct error *e = *(struct error **) data;
- assert(e->refs);
- return e;
-}
-
-static struct error *
-luaL_checkerror(struct lua_State *L, int narg)
-{
- struct error *error = luaL_iserror(L, narg);
- if (error == NULL) {
- luaL_error(L, "Invalid argument #%d (error expected, got %s)",
- narg, lua_typename(L, lua_type(L, narg)));
- }
- return error;
-}
-
-static int
-luaL_error_gc(struct lua_State *L)
-{
- struct error *error = luaL_checkerror(L, 1);
- error_unref(error);
- return 0;
-}
-
-void
-luaT_pusherror(struct lua_State *L, struct error *e)
-{
- assert(CTID_CONST_STRUCT_ERROR_REF != 0);
- struct error **ptr = (struct error **) luaL_pushcdata(L,
- CTID_CONST_STRUCT_ERROR_REF);
- *ptr = e;
- /* The order is important - first reference the error, then set gc */
- error_ref(e);
- lua_pushcfunction(L, luaL_error_gc);
- luaL_setcdatagc(L, -2);
-}
-
-int
-luaT_error(lua_State *L)
-{
- struct error *e = diag_last_error(&fiber()->diag);
- assert(e != NULL);
- /*
- * gh-1955 luaT_pusherror allocates Lua objects, thus it may trigger
- * GC. GC may invoke finalizers which are arbitrary Lua code,
- * potentially invalidating last error object, hence error_ref
- * below.
- */
- error_ref(e);
- luaT_pusherror(L, e);
- error_unref(e);
- lua_error(L);
- unreachable();
- return 0;
-}
static inline int
lbox_catch(lua_State *L)
@@ -954,13 +887,6 @@ tarantool_lua_utils_init(struct lua_State *L)
{NULL, NULL},
};
- /* Get CTypeID for `struct error *' */
- int rc = luaL_cdef(L, "struct error;");
- assert(rc == 0);
- (void) rc;
- CTID_CONST_STRUCT_ERROR_REF = luaL_ctypeid(L, "const struct error &");
- assert(CTID_CONST_STRUCT_ERROR_REF != 0);
-
luaL_register_type(L, LUAL_SERIALIZER, serializermeta);
/* Create NULL constant */
*(void **) luaL_pushcdata(L, CTID_P_VOID) = NULL;
@@ -984,4 +910,3 @@ tarantool_lua_utils_init(struct lua_State *L)
return 0;
}
-
diff --git a/src/lua/utils.h b/src/lua/utils.h
index 77c2204..02ce93b 100644
--- a/src/lua/utils.h
+++ b/src/lua/utils.h
@@ -55,7 +55,6 @@ extern "C" {
struct lua_State;
struct ibuf;
-struct error;
/**
* Single global lua_State shared by core and modules.
@@ -403,14 +402,6 @@ LUA_API int64_t
luaL_toint64(struct lua_State *L, int idx);
/**
- * Re-throws the last Tarantool error as a Lua object.
- * \sa lua_error()
- * \sa box_error_last()
- */
-LUA_API int
-luaT_error(lua_State *L);
-
-/**
* Like lua_call(), but with the proper support of Tarantool errors.
* \sa lua_call()
*/
@@ -432,11 +423,6 @@ luaT_state(void);
/** \endcond public */
-void
-luaT_pusherror(struct lua_State *L, struct error *e);
-
-struct error *
-luaL_iserror(struct lua_State *L, int narg);
/**
* Push Lua Table with __serialize = 'map' hint onto the stack.
--
2.7.4
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