new function `swank:init-presentations`

[swankr.git] / swank-presentations.R

diff --git a/swank-presentations.R b/swank-presentations.R
index d2ed3f71efe45542bb3454a3fec4a815cd4d987e..22ce24c2b9a4d56dce5ef4f1f558896aac876a0b 100644 (file)
--- a/swank-presentations.R
+++ b/swank-presentations.R
@@ -4,6 +4,8 @@ savePresentedObject <- function(slimeConnection, value) {
   if(!exists("idToObject", envir=slimeConnection)) {
     assign("idToObject", new.env(), envir=slimeConnection)
   }
+  ## FIXME this should check for value already being present in the
+  ## idToObject map
   presentationCounter <<- presentationCounter + 1
   assign(as.character(presentationCounter), value, envir=slimeConnection$idToObject)
   presentationCounter
@@ -20,14 +22,11 @@ presentReplResult <- function(slimeConnection, value) {
               list(quote(`:write-string`), "\n", quote(`:repl-result`)))
 }
 
-sendReplResultFunction <- presentReplResult
-
 `cl:nth-value` <- function(slimeConnection, sldbState, n, values) {
   values[[n+1]]
 }
 
 `swank:lookup-presented-object` <- function(slimeConnection, sldbState, id) {
-  str(ls(slimeConnection))
   if(exists(as.character(id), envir=slimeConnection$idToObject)) {
     value <- get(as.character(id), envir=slimeConnection$idToObject)
     list(value, TRUE)
@@ -44,4 +43,21 @@ sendReplResultFunction <- presentReplResult
     stop(sprintf("attempt to access unrecorded object (id %d)", id))
   }
 }
-    
+
+`swank:lookup-and-save-presented-object-or-lose` <- function(slimeConnection, sldbState, id) {
+  obj <- `swank:lookup-presented-object-or-lose`(slimeConnection, sldbState, id)
+  savePresentedObject(slimeConnection, obj)
+}
+
+`swank:clear-repl-results` <- function(slimeConnection, sldbState) {
+  if(!exists("idToObject", envir=slimeConnection)) {
+    assign("idToObject", new.env(), envir=slimeConnection)
+  }
+  rm(list=ls(slimeConnection$idToObject), envir=slimeConnection$idToObject)
+  TRUE
+}
+
+`swank:init-presentations` <- function(slimeConnection, sldbState) {
+  sendReplResultFunction <<- presentReplResult
+  TRUE
+}