}
dispatch <- function(slimeConnection, event, sldbState=NULL) {
- str(event)
kind <- event[[1]]
if(kind == quote(`:emacs-rex`)) {
do.call("emacsRex", c(list(slimeConnection), list(sldbState), event[-1]))
sendToEmacs <- function(slimeConnection, obj) {
io <- slimeConnection$io
- str(obj)
payload <- writeSexpToString(obj)
writeChar(sprintf("%06x", nchar(payload)), io, eos=NULL)
writeChar(payload, io, eos=NULL)
flush(io)
- cat(sprintf("%06x", nchar(payload)), payload, sep="")
}
callify <- function(form) {
emacsRex <- function(slimeConnection, sldbState, form, pkg, thread, id, level=0) {
ok <- FALSE
value <- NULL
+ conn <- textConnection(NULL, open="w")
+ condition <- NULL
tryCatch({
withCallingHandlers({
call <- callify(form)
- value <- eval(call)
+ capture.output(value <- eval(call), file=conn)
+ string <- paste(textConnectionValue(conn), sep="", collapse="\n")
+ if(nchar(string) > 0) {
+ sendToEmacs(slimeConnection, list(quote(`:write-string`), string))
+ sendToEmacs(slimeConnection, list(quote(`:write-string`), "\n"))
+ }
+ close(conn)
ok <- TRUE
}, error=function(c) {
+ condition <<- c
+ string <- paste(textConnectionValue(conn), sep="", collapse="\n")
+ if(nchar(string) > 0) {
+ sendToEmacs(slimeConnection, list(quote(`:write-string`), string))
+ sendToEmacs(slimeConnection, list(quote(`:write-string`), "\n"))
+ }
+ close(conn)
newSldbState <- makeSldbState(c, if(is.null(sldbState)) 0 else sldbState$level+1, id)
withRestarts(sldbLoop(slimeConnection, newSldbState, id), abort=paste("return to sldb level", newSldbState$level)) })},
- finally=sendToEmacs(slimeConnection, list(quote(`:return`), if(ok) list(quote(`:ok`), value) else list(quote(`:abort`)), id)))
+ finally=sendToEmacs(slimeConnection, list(quote(`:return`), if(ok) list(quote(`:ok`), value) else list(quote(`:abort`), as.character(condition)), id)))
}
makeSldbState <- function(condition, level, id) {
} else if(grepl("^[0-9]+\\.[0-9]+$", token)) {
as.double(token)
} else {
- as.name(token)
+ name <- as.name(token)
+ if(name == quote(t)) {
+ TRUE
+ } else if(name == quote(nil)) {
+ FALSE
+ } else {
+ name
+ }
}
}
readToken <- function() {
for(contrib in contribs) {
filename <- sprintf("%s.R", as.character(contrib))
if(file.exists(filename)) {
- source(filename, verbose=TRUE)
+ source(filename)
}
}
list()
sendReplResultFunction <- sendReplResult
`swank:listener-eval` <- function(slimeConnection, sldbState, string) {
+ ## O how ugly
string <- gsub("#\\.\\(swank:lookup-presented-object-or-lose([^)]*)\\)", ".(`swank:lookup-presented-object-or-lose`(slimeConnection, sldbState,\\1))", string)
expr <- parse(text=string)[[1]]
+ ## O maybe this is even uglier
lookedup <- do.call("bquote", list(expr))
value <- eval(lookedup, envir = globalenv())
sendReplResultFunction(slimeConnection, value)
if(is.null(srcfile)) {
list(quote(`:error`), "no srcfile")
} else {
+ filename <- get("filename", srcfile)
+ ## KLUDGE: what this means is "is the srcfile filename
+ ## absolute?"
+ if(substr(filename, 1, 1) == "/") {
+ file <- filename
+ } else {
+ file <- sprintf("%s/%s", srcfile$wd, filename)
+ }
list(quote(`:location`),
- list(quote(`:file`), sprintf("%s/%s", srcfile$wd, srcfile$filename)),
+ list(quote(`:file`), file),
list(quote(`:line`), srcref[[1]], srcref[[2]]-1),
FALSE)
}
}
`swank:frame-locals-and-catch-tags` <- function(slimeConnection, sldbState, index) {
- str(sldbState$frames)
frame <- sldbState$frames[[1+index]]
objs <- ls(envir=frame)
list(lapply(objs, function(name) { list(quote(`:name`), name,
}
`swank:compile-string-for-emacs` <- function(slimeConnection, sldbState, string, buffer, position, filename, policy) {
- # FIXME: I think in parse() here we can use srcref to associate
- # buffer/filename/position to the objects. Or something.
- withRestarts({ times <- system.time(eval(parse(text=string), envir = globalenv())) },
+ lineOffset <- charOffset <- colOffset <- NULL
+ for(pos in position) {
+ switch(as.character(pos[[1]]),
+ `:position` = {charOffset <- pos[[2]]},
+ `:line` = {lineOffset <- pos[[2]]; colOffset <- pos[[3]]},
+ warning("unknown content in pos", pos))
+ }
+ frob <- function(refs) {
+ lapply(refs,
+ function(x)
+ srcref(attr(x,"srcfile"),
+ c(x[1]+lineOffset-1, ifelse(x[1]==1, x[2]+colOffset-1, x[2]),
+ x[3]+lineOffset-1, ifelse(x[3]==1, x[4]+colOffset-1, x[4]),
+ ifelse(x[1]==1, x[5]+colOffset-1, x[5]),
+ ifelse(x[3]==1, x[6]+colOffset-1, x[6]))))
+ }
+ transformSrcrefs <- function(s) {
+ srcrefs <- attr(s, "srcref")
+ attribs <- attributes(s)
+ new <-
+ switch(mode(s),
+ "call"=as.call(lapply(s, transformSrcrefs)),
+ "expression"=as.expression(lapply(s, transformSrcrefs)),
+ s)
+ attributes(new) <- attribs
+ if(!is.null(attr(s, "srcref"))) {
+ attr(new, "srcref") <- frob(srcrefs)
+ }
+ new
+ }
+ withRestarts({
+ times <- system.time({
+ exprs <- parse(text=string, srcfile=srcfile(filename))
+ eval(transformSrcrefs(exprs), envir = globalenv()) })},
abort="abort compilation")
- list(quote(`:compilation-result`), list(), TRUE, times[3])
+ list(quote(`:compilation-result`), list(), TRUE, times[3], FALSE, FALSE)
}
withRetryRestart <- function(description, expr) {
list()
} else {
filename <- get("filename", srcfile)
+ ## KLUDGE: what this means is "is the srcfile filename
+ ## absolute?"
+ if(substr(filename, 1, 1) == "/") {
+ file <- filename
+ } else {
+ file <- sprintf("%s/%s", srcfile$wd, filename)
+ }
list(list(sprintf("function %s", string),
list(quote(`:location`),
- list(quote(`:file`), sprintf("%s/%s", srcfile$wd, srcfile$filename)),
+ list(quote(`:file`), file),
list(quote(`:line`), srcref[[2]][[1]], srcref[[2]][[2]]-1),
list())))
}
}
`swank:load-file` <- function(slimeConnection, sldbState, filename) {
- source(filename, local=FALSE)
+ source(filename, local=FALSE, keep.source=TRUE)
TRUE
}
`swank:compile-file-for-emacs` <- function(slimeConnection, sldbState, filename, loadp, ...) {
- if(loadp==quote(`t`)) {
- source(filename, local=FALSE)
- } else {
- parse(filename)
+ times <- system.time(parse(filename, srcfile=srcfile(filename)))
+ if(loadp) {
+ ## KLUDGE: inelegant, but works. It might be more in the spirit
+ ## of things to keep the result of the parse above around to
+ ## evaluate.
+ `swank:load-file`(slimeConnection, sldbState, filename)
}
- TRUE
+ list(quote(`:compilation-result`), list(), TRUE, times[3], substitute(loadp), filename)
+}
+
+`swank:quit-lisp` <- function(slimeConnection, sldbState) {
+ quit()
}