--- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
--- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
--- OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
--- IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
--- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
--- TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
--- OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-local performResume, handleReturnValue
-local oldpcall, oldxpcall = pcall, xpcall
-coxpt = {}
-setmetatable(coxpt, {__mode = "kv"})
-
--- Identity function for copcall
-local function copcall_id(trace, ...)
- return ...
-end
-
---- This is a coroutine-safe drop-in replacement for Lua's "xpcall"-function
--- @param f Lua function to be called protected
--- @param err Custom error handler
--- @param ... Parameters passed to the function
--- @return A boolean whether the function call succeeded and the return
--- values of either the function or the error handler
-function coxpcall(f, err, ...)
- local res, co = oldpcall(coroutine.create, f)
- if not res then
- local params = {...}
- local newf = function() return f(unpack(params)) end
- co = coroutine.create(newf)
- end
- local c = coroutine.running()
- coxpt[co] = coxpt[c] or c or 0
-
- return performResume(err, co, ...)
-end