Christophe Weblog Wiki Code Publications Music
use a similar repl result method in swank-media.R for ggplot objects
[swankr.git] / swank.R
diff --git a/swank.R b/swank.R
index 34998b652e189799bc6bf70461099f50bc5d68eb..11210e28d415f6f102899b4e9b672d0b352453c4 100644 (file)
--- a/swank.R
+++ b/swank.R
 ### latest version of the GNU General Public Licence is available at
 ### <http://www.gnu.org/licenses/gpl.txt>.
 
+### KLUDGE: this assumes that we're being sourced with chdir=TRUE.
+### (If not, `swank:swank-require` will work under the circumstances
+### that it used to work anyway -- i.e. the working directory is the
+### swankr directory)
+swankrPath <- getwd() 
+
 swank <- function(port=4005) {
   acceptConnections(port, FALSE)
 }
 
 startSwank <- function(portFile) {
-  acceptConnections(FALSE, portFile)
+  acceptConnections(4005, portFile)
 }
 
 acceptConnections <- function(port, portFile) {
+  if(portFile != FALSE) {
+    f <- file(portFile, open="w+")
+    cat(port, file=f)
+    close(f)
+  }
   s <- socketConnection(host="localhost", server=TRUE, port=port, open="r+b")
   on.exit(close(s))
   serve(s)
@@ -283,7 +294,7 @@ printToString <- function(val) {
 
 `swank:swank-require` <- function (slimeConnection, sldbState, contribs) {
   for(contrib in contribs) {
-    filename <- sprintf("%s.R", as.character(contrib))
+    filename <- sprintf("%s/%s.R", swankrPath, as.character(contrib))
     if(file.exists(filename)) {
       source(filename)
     }
@@ -494,6 +505,12 @@ 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())