Removed

[bpt/guile.git] / TODO

diff --git a/TODO b/TODO
index 63ebfb7..b54b495 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,3 +1,5 @@
+* Use "real" procprops.
+
 * Add facilities for debugging Scheme programs.
 
 The low-level debugging support is done, and we are now working on the
@@ -14,10 +16,6 @@ Desired later on
 
 * Good interface to Tk
 
-* Add a convenient facility for running a pipeline of processes
-with redirections.  Gary Houston <ghouston@actrix.gen.nz>
-is working on this.
-
 * Make it possible to link Guile and TK without using libtcl.a, by
 providing Guile-based replacements for the libtcl.a functions that TK
 requires.
@@ -28,11 +26,27 @@ eliminate the need for tcl-lambda.
 * Translators for additional languages; in particular, Perl, Python,
 TCL, Emacs Lisp, and Rexx.
 
-* Clean up declarations of C functions to use a PROTO macro
-for conditional prototypes, instead of explicit conditionals.
-
 * A package for time conversions and formatting.
 
 * Make GDB work with Guile
 
 This would permit programmable debugging and a nice integrated GUI.
+
+
+Low-level things
+
+* Use the SCM trick of tagging environments with immediates (see m_letrec1)
+  to convert source correctly in unmemocopy.
+
+
+Optimizations
+
+* Eliminate argument checking for closures.  One way to do it is to
+  set the cdr of application forms to an immediate representing the
+  arity of the call.  If the closure contains a corresponding
+  immediate, these can be matched against eachother.
+
+* Implement a thread-safe alternative to SCM's environment caches:
+
+  Add an extra argument to SCM_CEVAL: "evaluation context".
+  Evaluation contexts contain a stack of locations.