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# Copyright (C) 2010 - 2016 John Chambers, Dirk Eddelbuettel and Romain Francois
#
# This file is part of Rcpp.
#
# Rcpp 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.
#
# Rcpp 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.
#
# You should have received a copy of the GNU General Public License
# along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
loadRcppModules <- function(direct=TRUE) { # #nocov start
# deprecation added May 2016, 'loadModule' has been prefered for years
.Deprecated("loadModule")
## hunt for the namespace of the package that calls this
calls <- sys.calls()
w <- which( sapply( calls, function(call){
identical( call[[1L]], as.name( "runHook" ) )
} ) )
if( !length(w) )
stop( "loadRcppModules can only be used within a .onLoad function" )
w <- w[ length(w) ]
call <- calls[[w]]
if( !identical( call[[2L]], ".onLoad" ) )
stop( "loadRcppModules can only be used within a .onLoad function" )
f <- sys.frame( w )
ns <- get("env", f )
if( !isNamespace( ns ) )
stop( "loadRcppModules not called from a namespace" )
pkg <- get( "pkgname", f )
lib <- get( "libname", f )
## look for declared modules in the DESCRIPTION fields
description <- packageDescription(pkg, lib.loc=lib)
modules <- description[["RcppModules"]]
if( !is.null( modules ) ){
modules <- strsplit( modules, "[[:space:]]*,[[:space:]]*")[[1L]]
for( m in modules ){
tryCatch( {
mod <- Module( m, pkg, mustStart = TRUE)
if(isTRUE(direct)){
populate( mod, ns )
} else {
forceAssignInNamespace( m, mod, ns )
}
assign(.moduleMetaName(m), mod, envir = ns)
}, error = function(e){
stop( sprintf( "failed to load module %s from package %s\n%s", m, pkg, conditionMessage(e) ) )
})
}
}
} # #nocov end
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