+
+`swank:simple-completions` <- function(slimeConnection, sldbState, prefix, package) {
+ ## fails multiply if prefix contains regexp metacharacters
+ matches <- apropos(sprintf("^%s", prefix), ignore.case=FALSE)
+ nmatches <- length(matches)
+ if(nmatches == 0) {
+ list(list(), "")
+ } else {
+ longest <- matches[order(nchar(matches))][1]
+ while(length(grep(sprintf("^%s", longest), matches)) < nmatches) {
+ longest <- substr(longest, 1, nchar(longest)-1)
+ }
+ list(as.list(matches), longest)
+ }
+}
+
+`swank:compile-string-for-emacs` <- function(slimeConnection, sldbState, string, buffer, position, filename, policy) {
+ # FIXME: I think in parse() here we can use srcref to associate
+ # buffer/filename/position to the objects. Or something.
+ withRestarts({ times <- system.time(eval(parse(text=string), envir = globalenv())) },
+ abort="abort compilation")
+ list(quote(`:compilation-result`), list(), TRUE, times[3])
+}
+
+`swank:interactive-eval` <- function(slimeConnection, sldbState, string) {
+ retry <- TRUE
+ value <- ""
+ while(retry) {
+ retry <- FALSE
+ withRestarts(value <- eval(parse(text=string), envir = globalenv()),
+ retry=list(description="retry SLIME interactive evaluation request", handler=function() retry <<- TRUE))
+ }
+ printToString(value)
+}
+
+`swank:eval-and-grab-output` <- function(slimeConnection, sldbState, string) {
+ retry <- TRUE
+ value <- ""
+ output <- NULL
+ f <- fifo("")
+ tryCatch({
+ sink(f)
+ while(retry) {
+ retry <- FALSE
+ withRestarts(value <- eval(parse(text=string), envir = globalenv()),
+ retry=list(description="retry SLIME interactive evaluation request", handler=function() retry <<- TRUE))}},
+ finally={sink(); output <- readLines(f); close(f)})
+ list(output, printToString(value))
+}