}
readPacket <- function(io) {
+ socketSelect(list(io))
header <- readChunk(io, 6)
len <- strtoi(header, base=16)
payload <- readChunk(io, len)
writeSexpToStringLoop(obj)
}
-printToString <- function(val) {
+withOutputToString <- function(expr) {
+ call <- substitute(expr)
f <- fifo("")
- tryCatch({ sink(f); print(val); sink(); readLines(f) },
+ sink(f)
+ tryCatch({ tryCatch(eval.parent(call), finally=sink())
+ readLines(f) },
finally=close(f))
}
+printToString <- function(val) {
+ withOutputToString(str(val, indent.str="", list.len=5, max.level=2))
+}
+
`swank:connection-info` <- function (slimeConnection, sldbState) {
list(quote(`:pid`), Sys.getpid(),
quote(`:package`), list(quote(`:name`), "R", quote(`:prompt`), "R> "),
}
`swank:swank-require` <- function (slimeConnection, sldbState, contribs) {
+ for(contrib in contribs) {
+ filename <- sprintf("%s.R", as.character(contrib))
+ if(file.exists(filename)) {
+ source(filename, verbose=TRUE)
+ }
+ }
list()
}
list("R", "R")
}
+sendReplResult <- function(slimeConnection, value) {
+ string <- printToString(value)
+ sendToEmacs(slimeConnection,
+ list(quote(`:write-string`),
+ paste(string, collapse="\n"),
+ quote(`:repl-result`)))
+}
+
+sendReplResultFunction <- sendReplResult
+
`swank:listener-eval` <- function(slimeConnection, sldbState, string) {
- val <- eval(parse(text=string), envir = globalenv())
- string <- printToString(val)
- sendToEmacs(slimeConnection, list(quote(`:write-string`), paste(string, collapse="\n"), quote(`:repl-result`)))
+ string <- gsub("#\\.\\(swank:lookup-presented-object-or-lose([^)]*)\\)", ".(`swank:lookup-presented-object-or-lose`(slimeConnection, sldbState,\\1))", string)
+ expr <- parse(text=string)[[1]]
+ lookedup <- do.call("bquote", list(expr))
+ value <- eval(lookedup, envir = globalenv())
+ sendReplResultFunction(slimeConnection, value)
list()
}
if(is.null(srcfile)) {
list(quote(`:error`), "no srcfile")
} else {
- filename <- get("filename", srcfile)
list(quote(`:location`),
- list(quote(`:file`), filename),
+ list(quote(`:file`), sprintf("%s/%s", srcfile$wd, srcfile$filename)),
list(quote(`:line`), srcref[[1]], srcref[[2]]-1),
FALSE)
}
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))
}
+}
+
+`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) {
- 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)})
+ 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
+}
+
+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)) paste(printToString(object),collapse=" ") 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$object, istate),
+ quote(`:content`), prepareRange(istate, 0, 500))
+}
+
+emacsInspect <- function(object) {
+ UseMethod("emacsInspect")
+}
+
+emacsInspect.list <- function(list) {
+ c(list("a list", list(quote(`:newline`))),
+ mapply(function(name, value) { list(list(quote(`:line`), name, value)) },
+ names(list), list))
+}
+
+emacsInspect.numeric <- function(numeric) {
+ c(list("a numeric", list(quote(`:newline`))),
+ mapply(function(name, value) { list(list(quote(`:line`), name, value)) },
+ (1:length(numeric)), numeric))
+}
+
+`swank:quit-inspector` <- function(slimeConnection, sldbState) {
+ resetInspector(slimeConnection)
+ FALSE
+}
+
+`swank:inspector-nth-part` <- function(slimeConnection, sldbState, index) {
+ slimeConnection$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())
+ }
+}
projects / swankr.git / blobdiff