- allow scriptcontext objects to be dynamic

- enhancements in scriptcontext (error messages stored as properties)

SCinter.c

@@ -213,7 +213,9 @@ int RemoveCommand(SicsInterp * pInterp, char *pName)
   /* found, remove it */
   /* kall KillFunction first */
   if (pVictim->KFunc) {
-    pVictim->KFunc(pVictim->pData);
+    void *data = pVictim->pData;
+    pVictim->pData = NULL;      /* make data unreachable by FindCommandData before killing */
+    pVictim->KFunc(data);
   }
 
   /* delete and unlink data */
@@ -237,7 +239,6 @@ int RemoveCommand(SicsInterp * pInterp, char *pName)
   return 1;
 }
 
-
 #define MAXLEN 256
 #define MAXCOM 50
 extern char *stptok(char *s, char *tok, unsigned int toklen, char *brk);
@@ -1047,10 +1048,9 @@ char *FindAliases(SicsInterp * pSics, char *name)
 }
 
 /*---------------------------------------------------------------------*/
-void
-ForEachCommand(int (*scanFunction)
-               (char *name, pDummy object, void *userData)
-               , void *userData)
+void ForEachCommand(int (*scanFunction)
+                    (char *name, pDummy object, void *userData)
+                    , void *userData)
 {
   CommandList *pCurrent;