the start of a new listener...

FossilOrigin-Name: 8759fd23c7c94e38a6d4b8073cda18cd6a0e9dd13fdb0594ed7906f0efe3f9bf

RELEASE_NOTES.md

@@ -2,11 +2,11 @@
 
 This is the changelog for the development builds of Retro.
 The version number is likely to change; I'm targetting a
-July - September window for this release.
+July window for this release.
 
 ## Bug Fixes
 
-- (all) strl* functions now only compiled if using GLIBC.
+- (all) strl* functions now renamed, included on all builds
 - (all) `d:add-header` is extended by retro.forth to remap spaces back to underscores
 - (doc) fixed stack comments in glossary
 - (ex ) fixed issue in mail.forth
@@ -16,6 +16,7 @@ July - September window for this release.
 ## Build
 
 - Merged Linux & BSD Makefiles
+- Now builds on Solaris
 
 ## Core Language
 

example/alternate-listener.forth

@@ -0,0 +1,57 @@
+# A New Listener
+
+The basic listener is very minimalistic. This is the start of
+something a little nicer.
+
+# Features
+
+- character breaking input
+- suggestions on hitting TAB
+- show stack on hitting ESC
+
+# Loading
+
+    retro -i -f alternate-listener.forth
+    new-listener
+
+# The Code
+
+~~~
+{{
+  #1025 'TIB const
+
+  :eol? (c-f)
+    { ASCII:CR ASCII:LF ASCII:SPACE } a:contains? ;
+
+  :valid? (s-sf)
+    dup s:length n:-zero? ;
+
+  :bs (c-c)
+    dup { #8 #127 } a:contains? [ buffer:get buffer:get drop-pair ] if ;
+
+  :hint
+    nl TIB d:words-beginning-with nl TIB s:put ;
+
+  :hints (c-c)
+    dup ASCII:HT eq? [ buffer:get drop hint ] if ;
+
+  :stack (c-c)
+    dup ASCII:ESC eq? [ buffer:get drop nl &dump-stack dip nl TIB s:put ] if ;
+
+  :check (a-)
+    [ call ] a:for-each ;
+
+  :c:get (-c) as{ 'liii.... i #1 d }as ;
+
+  :s:get (-s) [ TIB buffer:set
+                [ c:get dup buffer:add { &bs &hints &stack } check eol? ] until
+                  buffer:start s:chop ] buffer:preserve ;
+
+  :forever (q-)
+    repeat &call sip again ;
+---reveal---
+  :new-listener (-)
+    'stty_cbreak unix:system
+    [ s:get valid? &interpret &drop choose ] forever ;
+}}
+~~~