X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?a=blobdiff_plain;f=scheme-primitives.4th;h=fdb28d37e1eb911251a0dd60f80e73bfe7b8f787;hb=e0ca5b6fd7381323cb9737f0ca6bfec9ede3eb7d;hp=97c098ff8ae6716db18fe94ecd8df132fdb0e722;hpb=a9e0195cd866692844586002f1614ff74a79426a;p=scheme.forth.jl.git

diff --git a/scheme-primitives.4th b/scheme-primitives.4th
index 97c098f..fdb28d3 100644
--- a/scheme-primitives.4th
+++ b/scheme-primitives.4th
@@ -367,19 +367,31 @@ defer display
     2dup
     car display
     cdr
-    nil-type istype? if 2drop exit then
+    nil? if 2drop exit then
     pair-type istype? if space recurse exit then
     ."  . " display
 ;
 
 : displaychar ( charobj -- )
-    drop emit
+    drop emit ;
+
+: (displaystring) ( charlist -- )
+    nil? if
+        2drop
+    else
+        2dup car displaychar
+        cdr recurse
+    then
+;
+
+: displaystring ( stringobj -- )
+    drop pair-type (displaystring)
 ;
 
 :noname ( obj -- )
     pair-type istype? if ." (" displaypair ." )" exit then
     character-type istype? if displaychar exit then
-    string-type istype? if (printstring) exit then
+    string-type istype? if displaystring exit then
     
     print
 ; is display
@@ -388,7 +400,7 @@ defer display
     2dup 1 ensure-arg-count
     car string-type ensure-arg-type
 
-    (printstring)
+    displaystring
 
     none
 ; make-primitive display-string
@@ -428,3 +440,19 @@ defer display
     
     apply
 ; make-primitive apply 
+
+( ==== Error System ==== )
+
+:noname ( args -- result )
+    bold fg red
+
+    nil? if
+        ." Error."
+    else
+        ." Error: " car display
+    then
+
+    reset-term
+
+    recoverable-exception throw
+; make-primitive error