enable tests on scheme, fix error handling on scheme

Makefile

@@ -34,6 +34,9 @@ newt2.ss: newt.so
 test: newt.js
 	scripts/test
 
+cheztest: newt.so
+	make test NEWT='chez --program newt.so' RUNOUT="chez --script" OUTFILE=tmp/out.ss
+
 aoctest: newt.js
 	scripts/aoc
 	scripts/aoc25

prim.ss

@@ -1,6 +1,3 @@
-;; REVIEW all of this - some of it is IO and needs the IO dance
-;; maybe we make a helper? A macro?
-
 ; (define $IORes (lambda (nm-1 nm-2) (vector 0 #f nm-1 nm-2)))
 (define $IORes (lambda (nm-1 nm-2) (cons nm-1 nm-2)))
 (define ($Left x) (vector 0 #f #f x))
@@ -17,7 +14,6 @@
 (define (Prelude.ltString a b) (string<? a b))
 (define (Prelude.eqString a b) (string=? a b))
 (define Prelude.showInt number->string)
-(define (Node.exitFailure _ msg) (raise msg))
 (define (Prelude.primPutStrLn msg)
   (lambda (w)
     (display msg)
@@ -73,7 +69,12 @@
 (define (Prelude.subInt a b) (- a b))
 (define (Prelude.jsEq _ a b) (= a b))
 (define (Prelude.divInt a b) (fx/ a b))
-(define (Prelude.fatalError _ msg) (raise msg))
+;; In node this throws and the next one exits cleanly
+(define (Prelude.fatalError _ msg) (raise (error #f msg)))
+(define (Node.exitFailure _ msg)
+  (display msg)
+  (newline)
+  (exit 1))
 (define (Prelude.isSuffixOf sfx s)
   (let ((n (string-length sfx))
         (m (string-length s)))
@@ -81,3 +82,5 @@
         (string=? sfx (substring s (- m n) m))
         #f)))
 (define (Node.getArgs w) ($IORes (command-line) w))
+(define (Prelude.unsafePerformIO a f)
+  (car (f 'world)))

scripts/test

@@ -1,7 +1,10 @@
 #!/bin/sh
 SAMPLES=$(find playground/samples -name "*.newt")
-# NCC="bun run newt.js"
-NCC="node newt.js"
+# NEWT ="bun run newt.js"
+NEWT=${NEWT:="node newt.js"}
+OUTFILE=${OUTFILE:="tmp/out.js"}
+RUNOUT=${RUNOUT:="node"}
+mkdir -p tmp
 total=0
 failed=0
 for fn in tests/*.newt ; do
@@ -9,10 +12,10 @@ for fn in tests/*.newt ; do
   echo Test $fn
   bn=$(basename $fn)
   if [ -f ${fn}.golden ]; then
-    $NCC $fn -o out.js > tmp/${bn}.compile
+    $NEWT $fn -o $OUTFILE > tmp/${bn}.compile
   else
     # we've dropped support for compiling things without main for now.
-    $NCC $fn > tmp/${bn}.compile
+    $NEWT $fn > tmp/${bn}.compile
   fi
   cerr=$?
   if [ -f ${fn}.fail ]; then
@@ -34,7 +37,7 @@ for fn in tests/*.newt ; do
   fi
   # if there is a golden file, run the code and compare output
   if [ -f ${fn}.golden ]; then
-    node out.js > tmp/${bn}.out
+    $RUNOUT $OUTFILE > tmp/${bn}.out
     if [ $? != "0" ]; then
       echo Run failed for $fn
       failed=$((failed + 1))