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| decompose <- function(expr) { | |
| expr <- substitute(expr) | |
| funs <- setdiff(all.names(expr), all.vars(expr)) | |
| wrapped <- list() | |
| for (fun in funs) { | |
| fun_env <- environment(get(fun, envir = parent.frame())) | |
| if(is.null(fun_env)) | |
| namespace <- "base" | |
| else | |
| namespace <- getNamespaceName(fun_env) | |
| namespaced_fun <- paste0(namespace,"::`", fun, "`") | |
| f <- as.function(c(alist(...=), bquote({ | |
| sc <- sys.call() | |
| sc_bkp <- sc | |
| sc[[1]] <- quote(.(str2lang(namespaced_fun))) | |
| res <- eval.parent(sc) | |
| message(deparse(sc_bkp)) | |
| print(res) | |
| }))) | |
| wrapped[[fun]] <- f | |
| } | |
| eval(expr, envir = wrapped, enclos = parent.frame()) | |
| } |
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