From a2977df7dc0b477dfb5adedc2c9d1c32cec83e15 Mon Sep 17 00:00:00 2001
From: Christophe Rhodes <csr21@cantab.net>
Date: Thu, 9 Sep 2010 23:28:11 +0100
Subject: [PATCH] slightly more working inspector

Use an environment for istate rather than a list

implement swank:inspector-nth-part and swank:inspect-nth-part
---
 swank.R | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/swank.R b/swank.R
index cb13210..ff22caa 100644
--- a/swank.R
+++ b/swank.R
@@ -475,9 +475,12 @@ resetInspector <- function(slimeConnection) {
 }
 
 inspectObject <- function(slimeConnection, object) {
-  slimeConnection$istate <- list(object=object, previous=slimeConnection$istate)
+  previous <- slimeConnection$istate
+  slimeConnection$istate <- new.env()
+  slimeConnection$istate$object <- object
+  slimeConnection$istate$previous <- previous
   slimeConnection$istate$content <- emacsInspect(object)
-  if(!object %in% slimeConnection$inspectorHistory) {
+  if(!(object %in% slimeConnection$inspectorHistory)) {
     slimeConnection$inspectorHistory <- c(slimeConnection$inspectorHistory, object)
   }
   if(!is.null(slimeConnection$istate$previous)) {
@@ -516,7 +519,7 @@ prepareRange <- function(istate, start, end) {
 
 assignIndexInParts <- function(object, istate) {
   ret <- 1+length(istate$parts)
-  istate$parts <- c(istate$parts, object)
+  istate$parts <- c(istate$parts, list(object))
   ret
 }
 
@@ -536,7 +539,22 @@ emacsInspect.list <- function(list) {
            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)
+}
-- 
2.39.5