Merge pull request #1 from nineties/add_coreexttest

Add coreexttest
2024-12-26 21:58:42 +01:00 · 2021-01-16 10:52:42 +09:00 · 2021-01-16 10:52:42 +09:00 · 8da301b7c2
commit 8da301b7c2
parent b70bb4befc f92b274be3
5 changed files with 963 additions and 8 deletions
--- a/bootstrap.fs
+++ b/bootstrap.fs
@ -543,8 +543,14 @@ allot-cell : &find! [ ' L , , ] ; \ ( c-addr -- nt ) Throw exception at error
    ' (compile)
 ; immediate

+\ runtime: ( w -- )
+: compile, , ;
+
 \ ( -- xt )
 : :noname
+    align
+    here latest , &latest !
+    smudge-bit c,       \ length 0
    align
    here
    [ docol ] literal , \ compile docol
@ -915,6 +921,22 @@ allot-cell : &find! [ ' L , , ] ; \ ( c-addr -- nt ) Throw exception at error
 \ ( n "name" -- )
 : constant create , does> @ ;

+( === Value === )
+
+\ ( n "name" -- )
+: value create , does> @ ;
+
+\ ( n "name" -- )
+: to
+    word! find! >cfa >body
+    state @ if
+        [compile] literal
+        compile !
+    else
+        !
+    then
+; immediate
+
 ( === Throw and Catch === )

 \ 'xt catch' saves data stack pointer and a marker
@ -1263,7 +1285,7 @@ decimal \ set default to decimal
            2drop exit
        then
        emit 1+ swap
-    repeat
+    repeat 2drop
 ;


@ -1471,14 +1493,26 @@ do-stack 16 cells + do-sp !
    do-sp @ @
 ;

-\ compile: ( -- dest mark )
+\ compile: ( -- do: dest mark )
 : do
    compile >r  \ save start
    compile >r  \ save limit
    here >do do-mark >do
 ; immediate

-: leave ( -- orig mark )
+\ compile: ( -- ... )
+: ?do
+    compile 2dup
+    compile >r  \ save start
+    compile >r  \ save limit
+    compile <>
+    compile 0branch
+    0 ,
+    here >do do-mark >do
+    here cell- >do leave-mark >do
+; immediate
+
+: leave ( -- do: orig mark )
    compile branch
    here >do
    0 ,        \ fill dummy offset
@ -2466,6 +2500,17 @@ need-defined (read)
    word throw included
 ;

+( === Forget === )
+
+\ Define a word "name". The word forgets itself and everything
+\ defined after when executed.
+: marker ( "name" -- )
+    create
+        latest name>link ,    \ save latest
+    does>
+        @ &latest !
+;
+
 ( === Primitive Instructions === )

 : insn:docol docol ;
@ -2532,14 +2577,15 @@ need-defined (read)

        if else then unless begin until again while repeat
        recurse case of rangeof endof endcase
-        do loop +loop unloop leave i j k
+        do ?do loop +loop unloop leave i j k

        char [char] key emit spaces
        .s . .r u. u.r dec. hex. type typen
        ." s" bl '\n' cr space base decimal hex
        catch throw success
-        : ; [ ] immediate create >body :noname does> variable constant
-        ' ['] compile [compile] literal state
+        : ; [ ] immediate create >body :noname does>
+        variable constant value to
+        ' ['] compile compile, [compile] literal state
        + - * /mod / mod negate not and or xor invert within max min abs
        < > <= >= = <> 0< 0> 0<= 0>= 0= 0<> 1+ 1-
        u< u> u<= u>= lshift rshift 2* 2/
@ -2548,7 +2594,7 @@ need-defined (read)

        ( \
        c@ c! c, @ ! ,
-        word find >cfa >dfa
+        word find >cfa >dfa marker
        bye execute exit here latest
    end-update-dictionary
 ; execute
--- a/runtests.fs
+++ b/runtests.fs
@ -8,6 +8,9 @@

 include test/tester.fs
 include test/core.fs
-include test/coreplustest.fs
+include test/utilities.fs
+include test/errorreport.fs
+include test/coreexttest.fs

+report-errors
 report-and-exit
--- a/test/coreexttest.fs
+++ b/test/coreexttest.fs
@ -0,0 +1,691 @@
+\ planckforth -
+\ Copyright (C) 2021 nineties
+
+\ test/tester.fs and test codes are base on
+\ https://github.com/gerryjackson/forth2012-test-suite
+
+testing Core Extension words
+
+decimal
+
+testing true false
+
+T{ true  -> 1 }T
+T{ false -> 0 }T
+
+\ -----------------------------------------------------------------------------
+testing <> u>   (contributed by James Bowman)
+
+T{ 0 0 <> -> false }T
+T{ 1 1 <> -> false }T
+T{ -1 -1 <> -> false }T
+T{ 1 0 <> -> true }T
+T{ -1 0 <> -> true }T
+T{ 0 1 <> -> true }T
+T{ 0 -1 <> -> true }T
+
+T{ 0 1 u> -> false }T
+T{ 1 2 u> -> false }T
+T{ 0 mid-uint u> -> false }T
+T{ 0 max-uint u> -> false }T
+T{ mid-uint max-uint u> -> false }T
+T{ 0 0 u> -> false }T
+T{ 1 1 u> -> false }T
+T{ 1 0 u> -> true }T
+T{ 2 1 u> -> true }T
+T{ mid-uint 0 u> -> true }T
+T{ max-uint 0 u> -> true }T
+T{ max-uint mid-uint u> -> true }T
+
+\ -----------------------------------------------------------------------------
+testing 0<> 0>   (contributed by James Bowman)
+
+T{ 0 0<> -> false }T
+T{ 1 0<> -> true }T
+T{ 2 0<> -> true }T
+T{ -1 0<> -> true }T
+T{ max-uint 0<> -> true }T
+T{ min-int 0<> -> true }T
+T{ max-int 0<> -> true }T
+
+T{ 0 0> -> false }T
+T{ -1 0> -> false }T
+T{ min-int 0> -> false }T
+T{ 1 0> -> true }T
+T{ max-int 0> -> true }T
+
+\ -----------------------------------------------------------------------------
+testing nip tuck roll pick   (contributed by James Bowman)
+
+T{ 1 2 nip -> 2 }T
+T{ 1 2 3 nip -> 1 3 }T
+
+T{ 1 2 tuck -> 2 1 2 }T
+T{ 1 2 3 tuck -> 1 3 2 3 }T
+
+T{ : RO5 100 200 300 400 500 ; -> }T
+T{ RO5 3 roll -> 100 300 400 500 200 }T
+T{ RO5 2 roll -> RO5 rot }T
+T{ RO5 1 roll -> RO5 swap }T
+T{ RO5 0 roll -> RO5 }T
+
+T{ RO5 2 pick -> 100 200 300 400 500 300 }T
+T{ RO5 1 pick -> RO5 over }T
+T{ RO5 0 pick -> RO5 dup }T
+
+\ -----------------------------------------------------------------------------
+testing 2>r 2r@ 2r>   (contributed by James Bowman)
+
+skip T{ : RR0 2>r 100 r> r> ; -> }T
+skip T{ 300 400 RR0 -> 100 400 300 }T
+skip T{ 200 300 400 RR0 -> 200 100 400 300 }T
+
+skip T{ : RR1 2>r 100 2r@ r> r> ; -> }T
+skip T{ 300 400 RR1 -> 100 300 400 400 300 }T
+skip T{ 200 300 400 RR1 -> 200 100 300 400 400 300 }T
+skip 
+skip T{ : RR2 2>r 100 2r> ; -> }T
+skip T{ 300 400 RR2 -> 100 300 400 }T
+skip T{ 200 300 400 RR2 -> 200 100 300 400 }T
+
+\ -----------------------------------------------------------------------------
+testing hex   (contributed by James Bowman)
+
+T{ base @ hex base @ decimal base @ - swap base ! -> 6 }T
+
+\ -----------------------------------------------------------------------------
+testing within   (contributed by James Bowman)
+
+T{ 0 0 0 within -> false }T
+T{ 0 0 mid-uint within -> true }T
+T{ 0 0 mid-uint+1 within -> true }T
+T{ 0 0 max-uint within -> true }T
+T{ 0 mid-uint 0 within -> false }T
+T{ 0 mid-uint mid-uint within -> false }T
+T{ 0 mid-uint mid-uint+1 within -> false }T
+T{ 0 mid-uint max-uint within -> false }T
+T{ 0 mid-uint+1 0 within -> false }T
+T{ 0 mid-uint+1 mid-uint within -> true }T
+T{ 0 mid-uint+1 mid-uint+1 within -> false }T
+T{ 0 mid-uint+1 max-uint within -> false }T
+T{ 0 max-uint 0 within -> false }T
+T{ 0 max-uint mid-uint within -> true }T
+T{ 0 max-uint mid-uint+1 within -> true }T
+T{ 0 max-uint max-uint within -> false }T
+T{ mid-uint 0 0 within -> false }T
+T{ mid-uint 0 mid-uint within -> false }T
+T{ mid-uint 0 mid-uint+1 within -> true }T
+T{ mid-uint 0 max-uint within -> true }T
+T{ mid-uint mid-uint 0 within -> true }T
+T{ mid-uint mid-uint mid-uint within -> false }T
+T{ mid-uint mid-uint mid-uint+1 within -> true }T
+T{ mid-uint mid-uint max-uint within -> true }T
+T{ mid-uint mid-uint+1 0 within -> false }T
+T{ mid-uint mid-uint+1 mid-uint within -> false }T
+T{ mid-uint mid-uint+1 mid-uint+1 within -> false }T
+T{ mid-uint mid-uint+1 max-uint within -> false }T
+T{ mid-uint max-uint 0 within -> false }T
+T{ mid-uint max-uint mid-uint within -> false }T
+T{ mid-uint max-uint mid-uint+1 within -> true }T
+T{ mid-uint max-uint max-uint within -> false }T
+T{ mid-uint+1 0 0 within -> false }T
+T{ mid-uint+1 0 mid-uint within -> false }T
+T{ mid-uint+1 0 mid-uint+1 within -> false }T
+T{ mid-uint+1 0 max-uint within -> true }T
+T{ mid-uint+1 mid-uint 0 within -> true }T
+T{ mid-uint+1 mid-uint mid-uint within -> false }T
+T{ mid-uint+1 mid-uint mid-uint+1 within -> false }T
+T{ mid-uint+1 mid-uint max-uint within -> true }T
+T{ mid-uint+1 mid-uint+1 0 within -> true }T
+T{ mid-uint+1 mid-uint+1 mid-uint within -> true }T
+T{ mid-uint+1 mid-uint+1 mid-uint+1 within -> false }T
+T{ mid-uint+1 mid-uint+1 max-uint within -> true }T
+T{ mid-uint+1 max-uint 0 within -> false }T
+T{ mid-uint+1 max-uint mid-uint within -> false }T
+T{ mid-uint+1 max-uint mid-uint+1 within -> false }T
+T{ mid-uint+1 max-uint max-uint within -> false }T
+T{ max-uint 0 0 within -> false }T
+T{ max-uint 0 mid-uint within -> false }T
+T{ max-uint 0 mid-uint+1 within -> false }T
+T{ max-uint 0 max-uint within -> false }T
+T{ max-uint mid-uint 0 within -> true }T
+T{ max-uint mid-uint mid-uint within -> false }T
+T{ max-uint mid-uint mid-uint+1 within -> false }T
+T{ max-uint mid-uint max-uint within -> false }T
+T{ max-uint mid-uint+1 0 within -> true }T
+T{ max-uint mid-uint+1 mid-uint within -> true }T
+T{ max-uint mid-uint+1 mid-uint+1 within -> false }T
+T{ max-uint mid-uint+1 max-uint within -> false }T
+T{ max-uint max-uint 0 within -> true }T
+T{ max-uint max-uint mid-uint within -> true }T
+T{ max-uint max-uint mid-uint+1 within -> true }T
+T{ max-uint max-uint max-uint within -> false }T
+
+T{ min-int min-int min-int within -> false }T
+T{ min-int min-int 0 within -> true }T
+T{ min-int min-int 1 within -> true }T
+T{ min-int min-int max-int within -> true }T
+T{ min-int 0 min-int within -> false }T
+T{ min-int 0 0 within -> false }T
+T{ min-int 0 1 within -> false }T
+T{ min-int 0 max-int within -> false }T
+T{ min-int 1 min-int within -> false }T
+T{ min-int 1 0 within -> true }T
+T{ min-int 1 1 within -> false }T
+T{ min-int 1 max-int within -> false }T
+T{ min-int max-int min-int within -> false }T
+T{ min-int max-int 0 within -> true }T
+T{ min-int max-int 1 within -> true }T
+T{ min-int max-int max-int within -> false }T
+T{ 0 min-int min-int within -> false }T
+T{ 0 min-int 0 within -> false }T
+T{ 0 min-int 1 within -> true }T
+T{ 0 min-int max-int within -> true }T
+T{ 0 0 min-int within -> true }T
+T{ 0 0 0 within -> false }T
+T{ 0 0 1 within -> true }T
+T{ 0 0 max-int within -> true }T
+T{ 0 1 min-int within -> false }T
+T{ 0 1 0 within -> false }T
+T{ 0 1 1 within -> false }T
+T{ 0 1 max-int within -> false }T
+T{ 0 max-int min-int within -> false }T
+T{ 0 max-int 0 within -> false }T
+T{ 0 max-int 1 within -> true }T
+T{ 0 max-int max-int within -> false }T
+T{ 1 min-int min-int within -> false }T
+T{ 1 min-int 0 within -> false }T
+T{ 1 min-int 1 within -> false }T
+T{ 1 min-int max-int within -> true }T
+T{ 1 0 min-int within -> true }T
+T{ 1 0 0 within -> false }T
+T{ 1 0 1 within -> false }T
+T{ 1 0 max-int within -> true }T
+T{ 1 1 min-int within -> true }T
+T{ 1 1 0 within -> true }T
+T{ 1 1 1 within -> false }T
+T{ 1 1 max-int within -> true }T
+T{ 1 max-int min-int within -> false }T
+T{ 1 max-int 0 within -> false }T
+T{ 1 max-int 1 within -> false }T
+T{ 1 max-int max-int within -> false }T
+T{ max-int min-int min-int within -> false }T
+T{ max-int min-int 0 within -> false }T
+T{ max-int min-int 1 within -> false }T
+T{ max-int min-int max-int within -> false }T
+T{ max-int 0 min-int within -> true }T
+T{ max-int 0 0 within -> false }T
+T{ max-int 0 1 within -> false }T
+T{ max-int 0 max-int within -> false }T
+T{ max-int 1 min-int within -> true }T
+T{ max-int 1 0 within -> true }T
+T{ max-int 1 1 within -> false }T
+T{ max-int 1 max-int within -> false }T
+T{ max-int max-int min-int within -> true }T
+T{ max-int max-int 0 within -> true }T
+T{ max-int max-int 1 within -> true }T
+T{ max-int max-int max-int within -> false }T
+
+\ -----------------------------------------------------------------------------
+testing unused  (contributed by James Bowman & Peter Knaggs)
+
+variable unused0
+skip T{ unused drop -> }T                  
+skip T{ align unused unused0 ! 0 , unused CELL+ unused0 @ = -> true }T
+skip T{ unused unused0 ! 0 C, unused char+ unused0 @ = -> true }T  \ aligned -> unaligned
+skip T{ unused unused0 ! 0 C, unused char+ unused0 @ = -> true }T  \ unaligned -> ?
+
+\ -----------------------------------------------------------------------------
+testing again   (contributed by James Bowman)
+
+T{ : AG0 701 begin dup 7 mod 0= if exit then 1+ again ; -> }T
+T{ AG0 -> 707 }T
+
+\ -----------------------------------------------------------------------------
+testing marker   (contributed by James Bowman)
+
+T{ : MA? word throw find 0<> ; -> }T
+T{ marker MA0 -> }T
+T{ : MA1 111 ; -> }T
+T{ marker MA2 -> }T
+T{ : MA1 222 ; -> }T
+T{ MA? MA0 MA? MA1 MA? MA2 -> true true true }T
+T{ MA1 MA2 MA1 -> 222 111 }T
+T{ MA? MA0 MA? MA1 MA? MA2 -> true true false }T
+T{ MA0 -> }T
+T{ MA? MA0 MA? MA1 MA? MA2 -> false false false }T
+
+\ -----------------------------------------------------------------------------
+testing ?do
+
+: QD ?do i loop ;
+T{ 789 789 QD -> }T
+T{ -9876 -9876 QD -> }T
+T{ 5 0 QD -> 0 1 2 3 4 }T
+
+: QD1 ?do i 10 +loop ;
+T{ 50 1 QD1 -> 1 11 21 31 41 }T
+T{ 50 0 QD1 -> 0 10 20 30 40 }T
+
+: QD2 ?do i 3 > if leave else i then loop ;
+T{ 5 -1 QD2 -> -1 0 1 2 3 }T
+
+: QD3 ?do i 1 +loop ;
+T{ 4  4 QD3 -> }T
+T{ 4  1 QD3 -> 1 2 3 }T
+T{ 2 -1 QD3 -> -1 0 1 }T
+
+: QD4 ?do i -1 +loop ;
+T{  4 4 QD4 -> }T
+T{  1 4 QD4 -> 4 3 2 1 }T
+T{ -1 2 QD4 -> 2 1 0 -1 }T
+
+: QD5 ?do i -10 +loop ;
+T{   1 50 QD5 -> 50 40 30 20 10 }T
+T{   0 50 QD5 -> 50 40 30 20 10 0 }T
+T{ -25 10 QD5 -> 10 0 -10 -20 }T
+
+variable ITERS
+variable INcrMNT
+
+: QD6 ( limit start increment -- )
+   INcrMNT !
+   0 ITERS !
+   ?do
+      1 ITERS +!
+      i
+      ITERS @  6 = if leave then
+      INcrMNT @
+   +loop ITERS @
+;
+
+T{  4  4 -1 QD6 -> 0 }T
+T{  1  4 -1 QD6 -> 4 3 2 1 4 }T
+T{  4  1 -1 QD6 -> 1 0 -1 -2 -3 -4 6 }T
+T{  4  1  0 QD6 -> 1 1 1 1 1 1 6 }T
+T{  0  0  0 QD6 -> 0 }T
+T{  1  4  0 QD6 -> 4 4 4 4 4 4 6 }T
+T{  1  4  1 QD6 -> 4 5 6 7 8 9 6 }T
+T{  4  1  1 QD6 -> 1 2 3 3 }T
+T{  4  4  1 QD6 -> 0 }T
+T{  2 -1 -1 QD6 -> -1 -2 -3 -4 -5 -6 6 }T
+T{ -1  2 -1 QD6 -> 2 1 0 -1 4 }T
+T{  2 -1  0 QD6 -> -1 -1 -1 -1 -1 -1 6 }T
+T{ -1  2  0 QD6 -> 2 2 2 2 2 2 6 }T
+T{ -1  2  1 QD6 -> 2 3 4 5 6 7 6 }T
+T{  2 -1  1 QD6 -> -1 0 1 3 }T
+
+\ -----------------------------------------------------------------------------
+testing buffer:
+
+skip T{ 8 buffer: BUF:test -> }T
+skip T{ BUF:test dup ALIGNED = -> true }T
+skip T{ 111 BUF:test ! 222 BUF:test CELL+ ! -> }T
+skip T{ BUF:test @ BUF:test CELL+ @ -> 111 222 }T
+
+\ -----------------------------------------------------------------------------
+testing value to
+
+T{ 111 value VAL1 -999 value VAL2 -> }T
+T{ VAL1 -> 111 }T
+T{ VAL2 -> -999 }T
+T{ 222 to VAL1 -> }T
+T{ VAL1 -> 222 }T
+T{ : VD1 VAL1 ; -> }T
+T{ VD1 -> 222 }T
+T{ : VD2 to VAL2 ; -> }T
+T{ VAL2 -> -999 }T
+T{ -333 VD2 -> }T
+T{ VAL2 -> -333 }T
+T{ VAL1 -> 222 }T
+T{ 123 value VAL3 immediate VAL3 -> 123 }T
+T{ : VD3 VAL3 literal ; VD3 -> 123 }T
+
+\ -----------------------------------------------------------------------------
+testing case of endof endcase
+
+: CS1 case 1 of 111 endof
+           2 of 222 endof
+           3 of 333 endof
+           >r 999 r>
+      endcase
+;
+
+T{ 1 CS1 -> 111 }T
+T{ 2 CS1 -> 222 }T
+T{ 3 CS1 -> 333 }T
+T{ 4 CS1 -> 999 }T
+
+\ Nested case's
+
+: CS2 >r case -1 of case r@ 1 of 100 endof
+                            2 of 200 endof
+                           >r -300 r>
+                    endcase
+                 endof
+              -2 of case r@ 1 of -99  endof
+                            >r -199 r>
+                    endcase
+                 endof
+                 >r 299 r>
+         endcase r> drop
+;
+
+T{ -1 1 CS2 ->  100 }T
+T{ -1 2 CS2 ->  200 }T
+T{ -1 3 CS2 -> -300 }T
+T{ -2 1 CS2 -> -99  }T
+T{ -2 2 CS2 -> -199 }T
+T{  0 2 CS2 ->  299 }T
+
+\ Boolean short circuiting using case
+
+: CS3  ( N1 -- N2 )
+   case 1- false of 11 endof
+        1- false of 22 endof
+        1- false of 33 endof
+        44 swap
+   endcase
+;
+
+T{ 1 CS3 -> 11 }T
+T{ 2 CS3 -> 22 }T
+T{ 3 CS3 -> 33 }T
+T{ 9 CS3 -> 44 }T
+
+\ Empty case statements with/without default
+
+T{ : CS4 case endcase ; 1 CS4 -> }T
+T{ : CS5 case 2 swap endcase ; 1 CS5 -> 2 }T
+T{ : CS6 case 1 of endof 2 endcase ; 1 CS6 -> }T
+T{ : CS7 case 3 of endof 2 endcase ; 1 CS7 -> 1 }T
+
+\ -----------------------------------------------------------------------------
+testing :noname recurse
+
+variable NN1
+variable NN2
+:noname 1234 ; NN1 !
+:noname 9876 ; NN2 !
+T{ NN1 @ execute -> 1234 }T
+T{ NN2 @ execute -> 9876 }T
+
+T{ :noname ( n -- 0,1,..n ) dup if dup >r 1- recurse r> then ;
+   constant RN1 -> }T
+T{ 0 RN1 execute -> 0 }T
+T{ 4 RN1 execute -> 0 1 2 3 4 }T
+
+:noname  ( n -- n1 )    \ Multiple RECURSEs in one definition
+   1- dup
+   case 0 of exit endof
+        1 of 11 swap recurse endof
+        2 of 22 swap recurse endof
+        3 of 33 swap recurse endof
+        drop abs recurse exit
+   endcase
+; constant RN2
+
+T{  1 RN2 execute -> 0 }T
+T{  2 RN2 execute -> 11 0 }T
+T{  4 RN2 execute -> 33 22 11 0 }T
+T{ 25 RN2 execute -> 33 22 11 0 }T
+
+\ -----------------------------------------------------------------------------
+testing C"
+
+skip T{ : CQ1 C" 123" ; -> }T
+skip T{ CQ1 count evaluate -> 123 }T
+skip T{ : CQ2 C" " ; -> }T
+skip T{ CQ2 count evaluate -> }T
+skip T{ : CQ3 C" 2345"count evaluate ; CQ3 -> 2345 }T
+
+\ -----------------------------------------------------------------------------
+testing compile,
+
+:noname dup + ; constant dup+
+T{ : Q dup+ compile, ; -> }T
+T{ : AS1 [ Q ] ; -> }T
+T{ 123 AS1 -> 246 }T
+
+\ -----------------------------------------------------------------------------
+\ Cannot automatically test SAVE-INPUT and RESTORE-INPUT from a console source
+
+testing SAVE-INPUT and RESTORE-INPUT with a string source
+
+variable SI_INC 0 SI_INC !
+
+: SI1
+   SI_INC @ >in +!
+   15 SI_INC !
+;
+
+: s$ s" SAVE-INPUT SI1 RESTORE-INPUT 12345" ;
+
+skip T{ s$ evaluate SI_INC @ -> 0 2345 15 }T
+
+\ -----------------------------------------------------------------------------
+testing .(
+
+cr cr .( Output from .() 
+T{ cr .( You should see -9876: ) -9876 . -> }T
+T{ cr .( and again: ).( -9876)cr -> }T
+
+cr cr .( On the next 2 lines you should see First then Second messages:)
+T{ : DOTP  cr ." Second message via ." [char] " emit    \ Check .( is immediate
+     [ cr ] .( First message via .( ) ; DOTP -> }T
+cr cr
+skip T{ : IMM? word throw find nip ; IMM? .( -> 1 }T
+
+\ -----------------------------------------------------------------------------
+testing .r and u.r - has to handle different cell sizes
+
+\ Create some large integers just below/above MAX and Min INTs
+\ max-int 73 79 */ constant LI1
+\ min-int 71 73 */ constant LI2
+\ 
+\ LI1 0 <# #S #> nip constant LENLI1
+
+\ : (.r&u.r)  ( u1 u2 -- )  \ u1 <= string length, u2 is required indentation
+\    tuck + >r
+\    LI1 over SPACES  . cr r@    LI1 swap  .r cr
+\    LI2 over SPACES  . cr r@ 1+ LI2 swap  .r cr
+\    LI1 over SPACES u. cr r@    LI1 swap u.r cr
+\    LI2 swap SPACES u. cr r>    LI2 swap u.r cr
+\ ;
+\ 
+\ : .r&u.r  ( -- )
+\    cr ." You should see lines duplicated:" cr
+\    ." indented by 0 spaces" cr 0      0 (.r&u.r) cr
+\    ." indented by 0 spaces" cr LENLI1 0 (.r&u.r) cr \ Just fits required width
+\    ." indented by 5 spaces" cr LENLI1 5 (.r&u.r) cr
+\ ;
+\ 
+\ cr cr .( Output from .r and u.r)
+skip T{ .r&u.r -> }T
+
+\ -----------------------------------------------------------------------------
+testing pad erase
+\ Must handle different size characters i.e. 1 chars >= 1 
+
+84 constant chars/pad      \ Minimum size of pad in chars
+chars/pad chars constant AUS/pad
+: checkpad  ( caddr u ch -- f )  \ f = true if u chars = ch
+   swap 0
+   ?do
+      over i chars + c@ over <>
+      if 2drop unloop false exit then
+   loop  
+   2drop true
+;
+
+skip T{ pad drop -> }T
+skip T{ 0 invert pad C! -> }T
+skip T{ pad c@ constant MAXCHAR -> }T
+skip T{ pad chars/pad 2DUP MAXCHAR FILL MAXCHAR checkpad -> true }T
+skip T{ pad chars/pad 2DUP chars erase 0 checkpad -> true }T
+skip T{ pad chars/pad 2DUP MAXCHAR FILL pad 0 erase MAXCHAR checkpad -> true }T
+skip T{ pad 43 chars + 9 chars erase -> }T
+skip T{ pad 43 MAXCHAR checkpad -> true }T
+skip T{ pad 43 chars + 9 0 checkpad -> true }T
+skip T{ pad 52 chars + chars/pad 52 - MAXCHAR checkpad -> true }T
+
+\ Check that use of word and pictured numeric output do not corrupt pad
+\ Minimum size of buffers for these are 33 chars and (2*n)+2 chars respectively
+\ where n is number of bits per cell
+
+\ pad chars/pad erase
+\ 2 base !
+\ max-uint max-uint <# #S char 1 dup hold hold #> 2drop
+\ decimal
+\ bl word 12345678123456781234567812345678 drop
+skip T{ pad chars/pad 0 checkpad -> true }T
+
+\ -----------------------------------------------------------------------------
+testing parse
+
+skip T{ char | parse 1234| dup rot rot evaluate -> 4 1234 }T
+skip T{ char ^ parse  23 45 ^ dup rot rot evaluate -> 7 23 45 }T
+\ : PA1 [char] $ parse dup >r pad swap chars MOVE pad r> ;
+skip T{ PA1 3456
+skip    dup rot rot evaluate -> 4 3456 }T
+skip T{ char A parse A swap drop -> 0 }T
+skip T{ char Z parse
+skip    swap drop -> 0 }T
+skip T{ char " parse 4567 "dup rot rot evaluate -> 5 4567 }T
+ 
+\ -----------------------------------------------------------------------------
+testing parse-name  (Forth 2012)
+\ Adapted from the parse-name RfD tests
+
+skip T{ parse-name abcd  STR1  S= -> true }T        \ No leading spaces
+skip T{ parse-name      abcde STR2 S= -> true }T    \ Leading spaces
+
+\ Test empty parse area, new lines are necessary
+skip T{ parse-name
+skip  nip -> 0 }T
+\ Empty parse area with spaces after parse-name
+skip T{ parse-name         
+skip  nip -> 0 }T
+
+skip T{ : parse-name-test ( "name1" "name2" -- n )
+skip     parse-name parse-name S= ; -> }T
+skip T{ parse-name-test abcd abcd  -> true }T
+skip T{ parse-name-test abcd   abcd  -> true }T  \ Leading spaces
+skip T{ parse-name-test abcde abcdf -> false }T
+skip T{ parse-name-test abcdf abcde -> false }T
+skip T{ parse-name-test abcde abcde
+skip    -> true }T         \ Parse to end of line
+skip T{ parse-name-test abcde           abcde         
+skip    -> true }T         \ Leading and trailing spaces
+
+\ -----------------------------------------------------------------------------
+testing defer defer@ defer! is action-of (Forth 2012)
+\ Adapted from the Forth 200X RfD tests
+
+skip T{ defer defer1 -> }T
+skip T{ : MY-defer defer ; -> }T
+skip T{ : is-defer1 is defer1 ; -> }T
+skip T{ : action-defer1 action-of defer1 ; -> }T
+skip T{ : DEF! defer! ; -> }T
+skip T{ : DEF@ defer@ ; -> }T
+
+skip T{ ' * ' defer1 defer! -> }T
+skip T{ 2 3 defer1 -> 6 }T
+skip T{ ' defer1 defer@ -> ' * }T
+skip T{ ' defer1 DEF@ -> ' * }T
+skip T{ action-of defer1 -> ' * }T
+skip T{ action-defer1 -> ' * }T
+skip T{ ' + is defer1 -> }T
+skip T{ 1 2 defer1 -> 3 }T
+skip T{ ' defer1 defer@ -> ' + }T
+skip T{ ' defer1 DEF@ -> ' + }T
+skip T{ action-of defer1 -> ' + }T
+skip T{ action-defer1 -> ' + }T
+skip T{ ' - is-defer1 -> }T
+skip T{ 1 2 defer1 -> -1 }T
+skip T{ ' defer1 defer@ -> ' - }T
+skip T{ ' defer1 DEF@ -> ' - }T
+skip T{ action-of defer1 -> ' - }T
+skip T{ action-defer1 -> ' - }T
+
+skip T{ MY-defer defer2 -> }T
+skip T{ ' dup is defer2 -> }T
+skip T{ 1 defer2 -> 1 1 }T
+
+\ -----------------------------------------------------------------------------
+testing holds  (Forth 2012)
+
+: htest s" Testing holds" ;
+: htest2 s" works" ;
+: htest3 s" Testing holds works 123" ;
+skip T{ 0 0 <#  htest holds #> htest S= -> true }T
+skip T{ 123 0 <# #S bl hold htest2 holds bl hold htest holds #>
+skip    htest3 S= -> true }T
+skip T{ : HLD holds ; -> }T
+skip T{ 0 0 <#  htest HLD #> htest S= -> true }T
+
+\ -----------------------------------------------------------------------------
+testing refill source-id
+\ refill and source-id from the user input device can't be tested from a file,
+\ can only be tested from a string via evaluate
+
+skip T{ : RF1  s" refill" evaluate ; RF1 -> false }T
+skip T{ : SID1  s" source-id" evaluate ; SID1 -> -1 }T
+
+\ ------------------------------------------------------------------------------
+testing s\"  (Forth 2012 compilation mode)
+\ Extended the Forth 200X RfD tests
+\ Note this tests the Core Ext definition of s\" which has unedfined
+\ interpretation semantics. s\" in interpretation mode is tested in the tests on
+\ the File-Access word set
+
+skip T{ : SSQ1 s\" abc" s" abc" S= ; -> }T  \ No escapes
+skip T{ SSQ1 -> true }T
+skip T{ : SSQ2 s\" " ; SSQ2 swap drop -> 0 }T    \ Empty string
+
+skip T{ : SSQ3 s\" \a\b\e\f\l\m\q\r\t\v\x0F0\x1Fa\xaBx\z\"\\" ; -> }T
+skip T{ SSQ3 swap drop          ->  20 }T    \ String length
+skip T{ SSQ3 drop            c@ ->   7 }T    \ \a   BEL  Bell
+skip T{ SSQ3 drop  1 chars + c@ ->   8 }T    \ \b   BS   Backspace
+skip T{ SSQ3 drop  2 chars + c@ ->  27 }T    \ \e   ESC  Escape
+skip T{ SSQ3 drop  3 chars + c@ ->  12 }T    \ \f   FF   Form feed
+skip T{ SSQ3 drop  4 chars + c@ ->  10 }T    \ \l   LF   Line feed
+skip T{ SSQ3 drop  5 chars + c@ ->  13 }T    \ \m        cr of cr/LF pair
+skip T{ SSQ3 drop  6 chars + c@ ->  10 }T    \           LF of cr/LF pair
+skip T{ SSQ3 drop  7 chars + c@ ->  34 }T    \ \q   "    Double Quote
+skip T{ SSQ3 drop  8 chars + c@ ->  13 }T    \ \r   cr   Carriage Return
+skip T{ SSQ3 drop  9 chars + c@ ->   9 }T    \ \t   TAB  Horizontal Tab
+skip T{ SSQ3 drop 10 chars + c@ ->  11 }T    \ \v   VT   Vertical Tab
+skip T{ SSQ3 drop 11 chars + c@ ->  15 }T    \ \x0F      Given Char
+skip T{ SSQ3 drop 12 chars + c@ ->  48 }T    \ 0    0    Digit follow on
+skip T{ SSQ3 drop 13 chars + c@ ->  31 }T    \ \x1F      Given Char
+skip T{ SSQ3 drop 14 chars + c@ ->  97 }T    \ a    a    Hex follow on
+skip T{ SSQ3 drop 15 chars + c@ -> 171 }T    \ \xaB      Insensitive Given Char
+skip T{ SSQ3 drop 16 chars + c@ -> 120 }T    \ x    x    Non hex follow on
+skip T{ SSQ3 drop 17 chars + c@ ->   0 }T    \ \z   NUL  No Character
+skip T{ SSQ3 drop 18 chars + c@ ->  34 }T    \ \"   "    Double Quote
+skip T{ SSQ3 drop 19 chars + c@ ->  92 }T    \ \\   \    Back Slash
+
+\ The above does not test \n as this is a system dependent value.
+\ Check it displays a new line
+cr .( The next test should display:)
+cr .( One line...)
+cr .( another line)
+skip T{ : SSQ4 s\" \nOne line...\nanotherLine\n" TYPE ; SSQ4 -> }T
+
+skip \ Test bare escapable characters appear as themselves
+skip T{ : SSQ5 s\" abeflmnqrtvxz" s" abeflmnqrtvxz" S= ; SSQ5 -> true }T
+
+skip T{ : SSQ6 s\" a\""2drop 1111 ; SSQ6 -> 1111 }T \ Parsing behaviour
+
+skip T{ : SSQ7  s\" 111 : SSQ8 S\\\" 222\" evaluate ; SSQ8 333" evaluate ; -> }T
+skip T{ SSQ7 -> 111 222 333 }T
+skip T{ : SSQ9  s\" 11 : SSQ10 S\\\" \\x32\\x32\" evaluate ; SSQ10 33" evaluate ; -> }T
+skip T{ SSQ9 -> 11 22 33 }T
+
+\ -----------------------------------------------------------------------------
+core-ext-errors set-error-count
+
+cr .( End of Core Extension word tests) cr
+
+
--- a/test/errorreport.fs
+++ b/test/errorreport.fs
@ -0,0 +1,78 @@
+\ planckforth -
+\ Copyright (C) 2021 nineties
+
+\ test/tester.fs and test codes are base on
+\ https://github.com/gerryjackson/forth2012-test-suite
+
+decimal
+
+variable total-errors
+
+: error-count  ( "name" n1 -- n2 )  \ n2 = n1 + 1cell
+   create  dup , cell+
+   does>  ( -- offset ) @     \ offset in address units
+;
+
+0     \ Offset into errors[] array
+error-count core-errors          error-count core-ext-errors
+error-count double-errors        error-count exception-errors
+error-count facility-errors      error-count file-errors
+error-count locals-errors        error-count memory-errors
+error-count searchorder-errors   error-count string-errors
+error-count tools-errors         error-count block-errors
+create errors[] dup allot constant #error-counts
+
+\ set-error-count called at the end of each test file with its own offset into
+\ the errors[] array. #error is in files tester.fr and ttester.fs
+
+: set-error-count  ( offset -- )
+   #error @ swap errors[] + !
+   #error @ total-errors +!
+   0 #error !
+;
+
+: init-errors  ( -- )
+   errors[] #error-counts over + swap do -1 i ! 1 cells +loop
+   0 total-errors !
+   core-errors set-error-count
+;
+
+init-errors
+
+\ Report summary of errors
+
+25 constant margin
+
+: show-error-line  ( n caddr -- )
+   cr dup strlen swap type margin - abs >r
+   dup -1 = if drop r> 1- spaces ." -" else
+   r> .r then
+;
+
+: show-error-count  ( caddr offset -- )
+   errors[] + @ swap show-error-line
+;
+
+: hline  ( -- )  cr ." ---------------------------"  ;
+
+: report-errors
+   hline
+   cr 8 spaces ." Error Report"
+   cr ." Word Set" 13 spaces ." Errors"
+   hline
+   s" Core" core-errors show-error-count
+   s" Core extension" core-ext-errors show-error-count
+   s" Block" block-errors show-error-count
+   s" Double number" double-errors show-error-count
+   s" Exception" exception-errors show-error-count
+   s" Facility" facility-errors show-error-count
+   s" File-access" file-errors show-error-count
+   s" Locals"    locals-errors show-error-count
+   s" Memory-allocation" memory-errors show-error-count
+   s" Programming-tools" tools-errors show-error-count
+   s" Search-order" searchorder-errors show-error-count
+   s" String" string-errors show-error-count
+   hline
+   total-errors @ s" Total" show-error-line
+   hline cr cr
+;
--- a/test/utilities.fs
+++ b/test/utilities.fs
@ -0,0 +1,137 @@
+\ planckforth -
+\ Copyright (C) 2021 nineties
+
+\ test/tester.fs and test codes are base on
+\ https://github.com/gerryjackson/forth2012-test-suite
+
+decimal
+
+( First a definition to see if a word is already defined. Note that          )
+( [defined] [if] [else] and [then] are in the optional Programming Tools     )
+( word set.                                                                  )
+
+variable (\?) 0 (\?) !     ( Flag: Word defined = 0 | word undefined = 1 )
+
+( [?def]  followed by [?if] cannot be used again until after [then] )
+: [?def]  ( "name" -- )
+   word throw find 0= (\?) !
+;
+
+\ Test [?def]
+T{ 0 (\?) ! [?def] ?deftest1 (\?) @ -> 1 }T
+: ?deftest1 1 ;
+T{ -1 (\?) ! [?def] ?deftest1 (\?) @ -> 0 }T
+
+: [?undef] [?def] (\?) @ 0= (\?) ! ;
+
+\ Equivalents of [if] [else] [then], these must not be nested
+: [?if]  ( f -- )  (\?) ! ; immediate
+: [?else]  ( -- )  (\?) @ 0= (\?) ! ; immediate
+: [?then]  ( -- )  0 (\?) ! ; immediate
+
+( A conditional comment and \ will be defined. Note that these definitions )
+( are inadequate for use in Forth blocks. If needed in the blocks test     )
+( program they will need to be modified here or redefined there )
+
+( \? is a conditional comment )
+: \?  ( "..." -- )  (\?) @ if exit then source strlen >in ! ; immediate
+
+\ Test \?
+T{ [?def] ?deftest1 \? : ?deftest1 2 ;    \ Should not be redefined
+          ?deftest1 -> 1 }T
+T{ [?def] ?deftest2 \? : ?deftest1 2 ;    \ Should be redefined
+          ?deftest1 -> 2 }T
+
+[?def] true  \?  1 constant true
+[?def] false \?  0 constant false
+[?def] nip   \?  : nip swap drop ;
+[?def] tuck  \?  : tuck swap over ;
+
+( source R:c )
+[?def] parse
+\? : parse  ( ch "ccc<ch>" -- caddr u )
+\?    >r source >in @ + ( start )
+\?    dup r> swap >r >r ( start, R: start ch )
+\?    begin
+\?       dup c@
+\?    while
+\?       dup c@ r@ <>
+\?    while
+\?       1+
+\?    repeat
+\?    dup source - 1+ >in ! 
+\?    r> drop r> tuck - 1 /
+\? ;
+
+[?def] .(  \? : .(  [char] ) parse typen ; immediate
+
+\ \ s=  to compare (case sensitive) two strings to avoid use of COMPARE from
+\ \ the String word set. It is defined in core.fr and conditionally defined
+\ \ here if core.fr has not been included by the user
+\ 
+\ [?def] s=
+\ \? : s=  ( caddr1 u1 caddr2 u2 -- f )   \ f = true if strings are equal
+\ \?    rot over = 0= if drop 2drop false exit then
+\ \?    dup 0= if drop 2drop true exit then 
+\ \?    0 do
+\ \?         over c@ over c@ = 0= if 2drop false unloop exit then
+\ \?         char+ swap char+
+\ \?      loop 2drop true
+\ \? ;
+\ 
+\ \ Buffer for strings in interpretive mode since s" only valid in compilation
+\ \ mode when File-Access word set is defined
+\ 
+\ 64 constant sbuf-size
+\ create sbuf1 sbuf-size chars allot
+\ create sbuf2 sbuf-size chars allot
+\ 
+\ \ ($") saves string at (caddr)
+\ : ($")  ( caddr "ccc" -- caddr' )
+\    [char] " parse rot 2dup c!       ( -- ca2 u2 ca)
+\    char+ swap 2dup 2>r chars move   ( -- )  ( R: -- ca' u2 )
+\    2r>
+\ ;
+\ 
+\ : $"   ( "ccc" -- caddr u )  sbuf1 ($") ;
+\ : $2"  ( "ccc" -- caddr u )  sbuf2 ($") ;
+\ : $clear  ( caddr -- ) sbuf-size bl fill ;
+\ : clear-sbufs  ( -- )  sbuf1 $clear sbuf2 $clear ;
+\ 
+\ \ More definitions in core.fr used in other test programs, conditionally
+\ \ defined here if core.fr has not been loaded
+\ 
+\ [?def] max-uint   \? 0 invert                 constant max-uint
+\ [?def] max-int    \? 0 invert 1 rshift        constant max-int
+\ [?def] min-int    \? 0 invert 1 rshift invert constant min-int
+\ [?def] mid-uint   \? 0 invert 1 rshift        constant mid-uint
+\ [?def] mid-uint+1 \? 0 invert 1 rshift invert constant mid-uint+1
+\ 
+\ [?def] 2constant \? : 2constant  create , , does> 2@ ;
+\ 
+\ base @ 2 base ! -1 0 <# #S #> swap drop constant bits/cell base !
+\ 
+\ 
+\ \ ------------------------------------------------------------------------------
+\ \ Tests
+\ 
+\ : str1  s" abcd" ;  : str2  s" abcde" ;
+\ : str3  s" abCd" ;  : str4  s" wbcd"  ;
+\ : s"" s" " ;
+\ 
+\ T{ str1 2dup s= -> true }T
+\ T{ str2 2dup s= -> true }T
+\ T{ s""  2dup s= -> true }T
+\ T{ str1 str2 s= -> false }T
+\ T{ str1 str3 s= -> false }T
+\ T{ str1 str4 s= -> false }T
+\ 
+\ T{ clear-sbufs -> }T
+\ T{ $" abcdefghijklm"  sbuf1 count s= -> true  }T
+\ T{ $" nopqrstuvwxyz"  sbuf2 over  s= -> false }T
+\ T{ $2" abcdefghijklm" sbuf1 count s= -> false }T
+\ T{ $2" nopqrstuvwxyz" sbuf1 count s= -> true  }T
+\ 
+\ \ ------------------------------------------------------------------------------
+\ 
+\ CR $" Test utilities loaded" type CR