}
readPacket <- function(io) {
+ socketSelect(list(io))
header <- readChunk(io, 6)
len <- strtoi(header, base=16)
payload <- readChunk(io, len)
writeSexpToStringLoop(obj)
}
+prin1ToString <- function(val) {
+ paste(deparse(val, backtick=TRUE, control=c("delayPromises", "keepNA")),
+ sep="", collapse="\n")
+}
+
printToString <- function(val) {
- f <- fifo("")
- tryCatch({ sink(f); print(val); sink(); readLines(f) },
- finally=close(f))
+ paste(capture.output(print(val)), sep="", collapse="\n")
}
`swank:connection-info` <- function (slimeConnection, sldbState) {
list("R", "R")
}
-sendReplResult <- function(slimeConnection, value) {
+makeReplResult <- function(value) {
string <- printToString(value)
- sendToEmacs(slimeConnection,
- list(quote(`:write-string`),
- paste(string, collapse="\n"),
- quote(`:repl-result`)))
+ list(quote(`:write-string`), string,
+ quote(`:repl-result`))
+}
+
+makeReplResultFunction <- makeReplResult
+
+sendReplResult <- function(slimeConnection, value) {
+ result <- makeReplResultFunction(value)
+ sendToEmacs(slimeConnection, result)
}
sendReplResultFunction <- sendReplResult
FALSE
}
+`swank:eval-string-in-frame` <- function(slimeConnection, sldbState, string, index) {
+ frame <- sldbState$frames[[1+index]]
+ withRetryRestart("retry SLIME interactive evaluation request",
+ value <- eval(parse(text=string), envir=frame))
+ printToString(value)
+}
+
`swank:frame-locals-and-catch-tags` <- function(slimeConnection, sldbState, index) {
- str(sldbState$frames)
frame <- sldbState$frames[[1+index]]
objs <- ls(envir=frame)
list(lapply(objs, function(name) { list(quote(`:name`), name,
quote(`:id`), 0,
- quote(`:value`), paste(printToString(eval(parse(text=name), envir=frame)), sep="", collapse="\n")) }),
+ quote(`:value`), printToString(eval(parse(text=name), envir=frame))) }),
list())
}
list(quote(`:compilation-result`), list(), TRUE, times[3])
}
-`swank:interactive-eval` <- function(slimeConnection, sldbState, string) {
+withRetryRestart <- function(description, expr) {
+ call <- substitute(expr)
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))
+ withRestarts(eval.parent(call),
+ retry=list(description=description,
+ handler=function() retry <<- TRUE))
}
- printToString(value)
+}
+
+`swank:interactive-eval` <- function(slimeConnection, sldbState, string) {
+ withRetryRestart("retry SLIME interactive evaluation request",
+ value <- eval(parse(text=string), envir=globalenv()))
+ prin1ToString(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))
+ withRetryRestart("retry SLIME interactive evaluation request",
+ { output <-
+ capture.output(value <- eval(parse(text=string),
+ envir=globalenv())) })
+ output <- paste(output, sep="", collapse="\n")
+ list(output, prin1ToString(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$filename)),
+ list(quote(`:line`), srcref[[2]][[1]], srcref[[2]][[2]]-1),
+ list())))
+ }
+ } else {
+ list()
+ }
+ } else {
+ list()
+ }
+}
+
+`swank:value-for-editing` <- function(slimeConnection, sldbState, string) {
+ paste(deparse(eval(parse(text=string), envir = globalenv()), control="all"),
+ collapse="\n", sep="")
+}
+
+`swank:commit-edited-value` <- function(slimeConnection, sldbState, string, value) {
+ eval(parse(text=sprintf("%s <- %s", string, value)), envir = globalenv())
+ TRUE
+}
+
+resetInspector <- function(slimeConnection) {
+ assign("istate", list(), envir=slimeConnection)
+ assign("inspectorHistory", NULL, envir=slimeConnection)
+}
+
+`swank:init-inspector` <- function(slimeConnection, sldbState, string) {
+ withRetryRestart("retry SLIME inspection request",
+ { resetInspector(slimeConnection)
+ value <- inspectObject(slimeConnection, eval(parse(text=string), envir=globalenv()))
+ })
+ value
+}
+
+inspectObject <- function(slimeConnection, object) {
+ previous <- slimeConnection$istate
+ slimeConnection$istate <- new.env()
+ slimeConnection$istate$object <- object
+ slimeConnection$istate$previous <- previous
+ slimeConnection$istate$content <- emacsInspect(object)
+ if(!(object %in% slimeConnection$inspectorHistory)) {
+ slimeConnection$inspectorHistory <- c(slimeConnection$inspectorHistory, object)
+ }
+ if(!is.null(slimeConnection$istate$previous)) {
+ slimeConnection$istate$previous$`next` <- slimeConnection$istate
+ }
+ istateToElisp(slimeConnection$istate)
+}
+
+valuePart <- function(istate, object, string) {
+ list(quote(`:value`),
+ if(is.null(string)) printToString(object) else string,
+ assignIndexInParts(object, istate))
+}
+
+preparePart <- function(istate, part) {
+ if(is.character(part)) {
+ list(part)
+ } else {
+ switch(as.character(part[[1]]),
+ `:newline` = list("\n"),
+ `:value` = valuePart(istate, part[[2]], part[[3]]),
+ `:line` = list(printToString(part[[2]]), ": ",
+ valuePart(istate, part[[3]], NULL), "\n"))
+ }
+}
+
+prepareRange <- function(istate, start, end) {
+ range <- istate$content[start+1:min(end+1, length(istate$content))]
+ ps <- NULL
+ for(part in range) {
+ ps <- c(ps, preparePart(istate, part))
+ }
+ list(ps, if(length(ps)<end-start) { start+length(ps) } else { end+1000 },
+ start, end)
+}
+
+assignIndexInParts <- function(object, istate) {
+ ret <- 1+length(istate$parts)
+ istate$parts <- c(istate$parts, list(object))
+ ret
+}
+
+istateToElisp <- function(istate) {
+ list(quote(`:title`), deparse(istate$object, control="all", nlines=1),
+ quote(`:id`), assignIndexInParts(istate$object, istate),
+ quote(`:content`), prepareRange(istate, 0, 500))
+}
+
+emacsInspect <- function(object) {
+ UseMethod("emacsInspect")
+}
+
+emacsInspect.default <- function(thing) {
+ c(list(paste("a ", class(thing)[[1]], sep=""), list(quote(`:newline`))))
+}
+
+emacsInspect.list <- function(list) {
+ c(list("a list", list(quote(`:newline`))),
+ mapply(function(name, value) { list(list(quote(`:line`), name, value)) },
+ names(list), list))
+}
+
+emacsInspect.numeric <- function(numeric) {
+ c(list("a numeric", list(quote(`:newline`))),
+ mapply(function(name, value) { list(list(quote(`:line`), name, value)) },
+ (1:length(numeric)), numeric))
+}
+
+`swank:quit-inspector` <- function(slimeConnection, sldbState) {
+ resetInspector(slimeConnection)
+ FALSE
+}
+
+`swank:inspector-nth-part` <- function(slimeConnection, sldbState, index) {
+ slimeConnection$istate$parts[[index]]
+}
+
+`swank:inspect-nth-part` <- function(slimeConnection, sldbState, index) {
+ object <- `swank:inspector-nth-part`(slimeConnection, sldbState, index)
+ inspectObject(slimeConnection, object)
+}
+
+`swank:inspector-pop` <- function(slimeConnection, sldbState) {
+ if(!is.null(slimeConnection$istate$previous)) {
+ slimeConnection$istate <- slimeConnection$istate$previous
+ istateToElisp(slimeConnection$istate)
+ } else {
+ FALSE
+ }
+}
+
+`swank:inspector-next` <- function(slimeConnection, sldbState) {
+ if(!is.null(slimeConnection$istate$`next`)) {
+ slimeConnection$istate <- slimeConnection$istate$`next`
+ istateToElisp(slimeConnection$istate)
+ } else {
+ FALSE
+ }
+}
+
+`swank:inspector-eval` <- function(slimeConnection, sldbState, string) {
+ expr <- parse(text=string)[[1]]
+ object <- slimeConnection$istate$object
+ if(inherits(object, "list")|inherits(object, "environment")) {
+ substituted <- substituteDirect(expr, object)
+ eval(substituted, envir=globalenv())
+ } else {
+ eval(expr, envir=globalenv())
+ }
+}
+
+`swank:inspect-current-condition` <- function(slimeConnection, sldbState) {
+ resetInspector(slimeConnection)
+ inspectObject(slimeConnection, sldbState$condition)
+}
+
+`swank:inspect-frame-var` <- function(slimeConnection, sldbState, frame, var) {
+ resetInspector(slimeConnection)
+ frame <- sldbState$frames[[1+frame]]
+ name <- ls(envir=frame)[[1+var]]
+ object <- get(name, envir=frame)
+ inspectObject(slimeConnection, object)
+}
+
+`swank:default-directory` <- function(slimeConnection, sldbState) {
+ getwd()
+}
+
+`swank:set-default-directory` <- function(slimeConnection, sldbState, directory) {
+ setwd(directory)
+ `swank:default-directory`(slimeConnection, sldbState)
+}
+
+`swank:load-file` <- function(slimeConnection, sldbState, filename) {
+ source(filename, local=FALSE)
+ TRUE
+}
+
+`swank:compile-file-for-emacs` <- function(slimeConnection, sldbState, filename, loadp, ...) {
+ times <- system.time(parse(filename))
+ list(quote(`:compilation-result`), list(), TRUE, times[3], substitute(loadp), filename)
}
projects / swankr.git / blobdiff