+
+`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])
+}
+
+withRetryRestart <- function(description, expr) {
+ call <- substitute(expr)
+ retry <- TRUE
+ while(retry) {
+ retry <- FALSE
+ withRestarts(eval.parent(call),
+ retry=list(description=description,
+ handler=function() retry <<- TRUE))
+ }
+}
+
+`swank:interactive-eval` <- function(slimeConnection, sldbState, string) {
+ withRetryRestart("retry SLIME interactive evaluation request",
+ value <- eval(parse(text=string), envir=globalenv()))
+ printToString(value)
+}
+
+`swank:eval-and-grab-output` <- function(slimeConnection, sldbState, string) {
+ withRetryRestart("retry SLIME interactive evaluation request",
+ { output <-
+ withOutputToString(value <- eval(parse(text=string),
+ envir=globalenv())) })
+ list(output, printToString(value))
+}
+
+`swank:find-definitions-for-emacs` <- function(slimeConnection, sldbState, string) {
+ if(exists(string, envir = globalenv())) {
+ thing <- get(string, envir = globalenv())
+ if(inherits(thing, "function")) {
+ body <- body(thing)
+ srcref <- attr(body, "srcref")
+ srcfile <- attr(body, "srcfile")
+ if(is.null(srcfile)) {
+ list()
+ } else {
+ filename <- get("filename", srcfile)
+ list(list(sprintf("function %s", string),
+ list(quote(`:location`),
+ list(quote(`:file`), sprintf("%s/%s", srcfile$wd, srcfile$filename)),
+ list(quote(`:line`), srcref[[2]][[1]], srcref[[2]][[2]]-1),
+ list())))
+ }
+ } else {
+ list()
+ }
+ } else {
+ list()
+ }
+}
+
+`swank:value-for-editing` <- function(slimeConnection, sldbState, string) {
+ paste(deparse(eval(parse(text=string), envir = globalenv()), control="all"),
+ collapse="\n", sep="")
+}
+
+`swank:commit-edited-value` <- function(slimeConnection, sldbState, string, value) {
+ eval(parse(text=sprintf("%s <- %s", string, value)), envir = globalenv())
+ TRUE
+}