implement swank:interactive-eval-region

[swankr.git] / swank.R

diff --git a/swank.R b/swank.R
index 0384004ac87866fdf79bc4b99d072f954fde17ae..8c5bafdccd1d5d198f534d971db0455fba703095 100644 (file)
--- a/swank.R
+++ b/swank.R
@@ -210,7 +210,14 @@ readSexpFromString <- function(string) {
     } 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() {
@@ -304,8 +311,10 @@ sendReplResult <- function(slimeConnection, value) {
 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)
@@ -370,8 +379,16 @@ computeRestartsForEmacs <- function (sldbState) {
   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)
   }
@@ -477,6 +494,12 @@ withRetryRestart <- function(description, expr) {
   list(output, prin1ToString(value))
 }
 
+`swank:interactive-eval-region` <- function(slimeConnection, sldbState, string) {
+  withRetryRestart("retry SLIME interactive evaluation request",
+                   value <- eval(parse(text=string), envir=globalenv()))
+  prin1ToString(value)
+}
+
 `swank:find-definitions-for-emacs` <- function(slimeConnection, sldbState, string) {
   if(exists(string, envir = globalenv())) {
     thing <- get(string, envir = globalenv())
@@ -673,11 +696,21 @@ emacsInspect.numeric <- function(numeric) {
 }
 
 `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, ...) {
-  times <- system.time(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)
+  }
   list(quote(`:compilation-result`), list(), TRUE, times[3], substitute(loadp), filename)
 }
+
+`swank:quit-lisp` <- function(slimeConnection, sldbState) {
+  quit()
+}