| # File src/library/utils/R/fix.R |
| # Part of the R package, https://www.R-project.org |
| # |
| # Copyright (C) 1995-2012 The R Core Team |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # A copy of the GNU General Public License is available at |
| # https://www.R-project.org/Licenses/ |
| |
| fix <- function (x, ...) |
| { |
| subx <- substitute(x) |
| if (is.name(subx)) |
| subx <- deparse(subx) |
| if (!is.character(subx) || length(subx) != 1L) |
| stop("'fix' requires a name") |
| parent <- parent.frame() |
| if (exists(subx, envir=parent, inherits = TRUE)) |
| x <- edit(get(subx, envir=parent), title = subx, ...) |
| else { |
| x <- edit(function(){}, title = subx, ...) |
| environment(x) <- .GlobalEnv |
| } |
| assign(subx, x, envir = .GlobalEnv) |
| } |