X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=scheme.forth.jl.git;a=blobdiff_plain;f=src%2Fscheme-primitives.4th;h=493f2564ef4971fc3079c2c6aaf004ef62f2b8dd;hp=1ed995b2439a3a5169105dd535f97fe3bd4d9e70;hb=2899e37fdb0ecf89bb949cfcc0a9db2cac54677f;hpb=bc2450b4b29d6bb8ba5422fb9eb7a75d1b6b5a57

diff --git a/src/scheme-primitives.4th b/src/scheme-primitives.4th
index 1ed995b..493f256 100644
--- a/src/scheme-primitives.4th
+++ b/src/scheme-primitives.4th
@@ -46,6 +46,10 @@
     -rot 2drop boolean-type
 ; 1 make-fa-primitive procedure?
 
+:noname ( args -- boolobj )
+    port-type istype? -rot 2drop boolean-type
+; 1 make-fa-primitive port?
+
 \ }}}
 
 \ ==== Type conversions ==== {{{
@@ -471,6 +475,36 @@
     current-input-port obj@
 ; 0 make-fa-primitive current-input-port
 
+:noname ( args -- charobj )
+    nil? if
+        2drop current-input-port obj@
+    else
+        car port-type ensure-arg-type
+    then
+
+    read-char
+; make-primitive read-char
+
+:noname ( args -- charobj )
+    nil? if
+        2drop current-input-port obj@
+    else
+        car port-type ensure-arg-type
+    then
+
+    peek-char
+; make-primitive peek-char
+
+:noname ( args -- stringobj )
+    nil? if
+        2drop current-input-port obj@
+    else
+        car port-type ensure-arg-type
+    then
+
+    read-line
+; make-primitive read-line
+
 : charlist>cstr ( charlist addr -- n )
 
     dup 2swap ( origaddr addr charlist )