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File: SessionRHooks.R
# # SessionRHooks.R # # Copyright (C) 2022 by Posit Software, PBC # # Unless you have received this program directly from Posit Software pursuant # to the terms of a commercial license agreement with Posit Software, then # this program is licensed to you under the terms of version 3 of the # GNU Affero General Public License. This program is distributed WITHOUT # ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT, # MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the # AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details. # # .rs.addFunction("invokeHook", function(hookName, ...) { # ensure that the list of hooks can be iterated over as a list hooks <- getHook(hookName) if (!is.list(hooks)) hooks <- list(hooks) # execute each attached hook with the given parameters for (fun in hooks) { if (is.character(fun)) fun <- get(fun) tryCatch(fun(...), error = function(e) { # ignore errors occurring during hook execution }) } })