a3e2365217
On the eval path nothing registers a source map, so jolt-backtrace-string dropped every walkable frame and printed no trace at all. Keep any named, non-plumbing continuation frame (rendered as a bare name when unmapped) so a runtime error shows the surviving non-tail spine — "print what is available". Add an opt-in tail-frame history behind JOLT_TRACE for the frames TCO erases. Each compiled fn records itself on entry into a bounded ring-of-rings, MIT Scheme's "history" shape: the outer ring holds one rib per non-tail subproblem, each rib a small inner ring of the tail-calls made at that level. A tight tail loop churns one rib instead of flushing the spine, so the non-tail caller context survives and total space stays bounded. The reporter prefers this history over the continuation when it's present, and resets it per top-level form so an error's trace isn't padded with earlier REPL frames. The emitter marks a tail call with (jolt-trace-mark! #t) so the runtime routes the callee into the current rib vs a fresh one; a *tail?* dynamic var tracks tail position (cleared by default, passed through if/do/let/loop/fn-body). It's all gated on trace-frames?, which compile-eval turns on for JOLT_TRACE and emit-image/`jolt build` force off — so non-trace emitted output is byte-identical (prelude unchanged, seed re-minted), and a built binary carries no per-call cost.
228 lines
10 KiB
Bash
Executable file
228 lines
10 KiB
Bash
Executable file
#!/bin/sh
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# CLI smoke: exercise the real bin/joltc process end to end — core eval, runtime
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# eval/load-string, runtime defmacro, futures, and the numeric tower. The in-process
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# corpus/unit gates cover semantics in depth; this confirms the CLI entry itself.
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root="$(CDPATH= cd -- "$(dirname -- "$0")/../.." && pwd)"
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cd "$root"
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fails=0
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check() {
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got="$(bin/joltc -e "$1" 2>/dev/null | tail -1)"
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if [ "$got" = "$2" ]; then
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pass=$((pass + 1))
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else
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echo " FAIL: $1"
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echo " want \`$2\` got \`$got\`"
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fails=$((fails + 1))
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fi
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}
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pass=0
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# An uncaught error reports the source location of the top-level form (stderr).
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check_loc() {
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err="$(bin/joltc -e "$1" 2>&1 >/dev/null)"
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if printf '%s' "$err" | grep -q "$2"; then
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pass=$((pass + 1))
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else
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echo " FAIL (loc): $1"
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echo " want stderr to contain \`$2\`, got \`$err\`"
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fails=$((fails + 1))
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fi
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}
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# An uncaught error's stack trace must name the runtime-eval'd fn frames that
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# survive TCO (the non-tail spine), even though the eval path registers no source
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# map — "print what is available". Asserts a substring appears under " trace:".
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check_trace() {
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err="$(bin/joltc -e "$1" 2>&1 >/dev/null)"
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if printf '%s' "$err" | grep -q ' trace:' && printf '%s' "$err" | grep -q "$2"; then
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pass=$((pass + 1))
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else
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echo " FAIL (trace): $1"
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echo " want stderr trace to contain \`$2\`, got \`$err\`"
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fails=$((fails + 1))
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fi
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}
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# JOLT_TRACE opts into the tail-frame history (the ring of rings): every $2 (an
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# ERE) must match the " trace:" block. Used to assert TCO-elided frames are
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# recovered and non-tail caller context survives a tail loop.
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check_trace_on() {
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err="$(JOLT_TRACE=1 bin/joltc -e "$1" 2>&1 >/dev/null)"
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ok=1
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printf '%s' "$err" | grep -q ' trace:' || ok=0
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shift
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for want in "$@"; do
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printf '%s' "$err" | grep -Eq "$want" || ok=0
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done
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if [ "$ok" = 1 ]; then
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pass=$((pass + 1))
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else
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echo " FAIL (trace-on): want [$*] in trace, got \`$err\`"
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fails=$((fails + 1))
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fi
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}
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check '(+ 1 2)' '3'
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check '(defn fib [n] (if (< n 2) n (+ (fib (- n 1)) (fib (- n 2))))) (fib 15)' '610'
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check '(->> (range 10) (filter even?) (map (fn [x] (* x x))) (reduce +))' '120'
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check '(let [{:keys [a b] :or {b 99}} {:a 1}] [a b])' '[1 99]'
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check '(map inc [1 2 3])' '(2 3 4)'
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check '(require [clojure.string :as s]) (s/upper-case "hello")' 'HELLO'
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check '(eval (quote (+ 1 2)))' '3'
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check '(load-string "(def y 5) (* y y)")' '25'
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check '(defmacro add1 [x] (list (quote +) x 1)) (add1 10)' '11'
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check '(deref (future (+ 1 2)))' '3'
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check '(/ 1 2)' '1/2'
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check '(= 3 3.0)' 'false'
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check '(== 3 3.0)' 'true'
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# a deftype whose simple name collides with a built-in host class must not shadow
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# the java class: (java.io.PushbackReader. …) still builds the java reader (has
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# .read), while the bare name in the deftype's own ns is the deftype. (Fresh -e
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# process per check, so the deftype doesn't leak.)
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check '(do (deftype PushbackReader [x]) (.read (java.io.PushbackReader. (java.io.StringReader. "A") 1)))' '65'
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check '(do (deftype PushbackReader [x]) (.-x (PushbackReader. 42)))' '42'
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check_loc '(throw (ex-info "boom" {}))' ' at 1:'
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# A throw that crosses the eval boundary (eval / load-string) must surface its
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# ex-info :message, not Chez's "attempt to apply non-procedure" noise from
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# re-wrapping a raw value raised through `eval`.
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check '(try (eval (read-string "(throw (ex-info \"boom\" {}))")) (catch :default e (ex-message e)))' 'boom'
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check '(try (load-string "(+") (catch :default e (ex-message e)))' 'EOF while reading'
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# An uncaught throw prints the ex-info message alongside its source location.
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check_loc '(throw (ex-info "boom" {}))' 'boom'
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check_loc '(do (+ 1 1) (/ 1 0))' ' at 1:'
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# Runtime-eval'd fns aren't source-mapped, but their native frame names survive on
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# the non-tail spine; the trace must show them. deepest/+ are tail calls (erased);
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# middle and outer wait on a non-tail (inc …) so their frames are live at the throw.
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trace_prog='(defn deepest [x] (+ x 1)) (defn middle [x] (inc (deepest x))) (defn outer [x] (inc (middle x))) (outer :nan)'
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check_trace "$trace_prog" 'middle'
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check_trace "$trace_prog" 'outer'
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# JOLT_TRACE (tail-frame history / ring of rings). An all-tail chain is entirely
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# TCO-erased from the continuation, but the history recovers every frame — incl.
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# `deepest`, the actual error site.
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check_trace_on '(defn deepest [x] (+ x 1)) (defn middle [x] (deepest x)) (defn outer [x] (middle x)) (outer :nan)' \
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'deepest' 'middle' 'outer'
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# A tail loop (a<->b) under a NON-tail caller: the loop is confined to one rib's
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# bounded inner ring, so the caller context (`driver`, `top`) is NOT flushed out —
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# the point of the ring of rings.
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check_trace_on '(declare b) (defn a [n] (if (zero? n) (+ :x 1) (b (dec n)))) (defn b [n] (a n)) (defn driver [] (inc (a 6))) (defn top [] (inc (driver))) (top)' \
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'driver' 'top'
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# A ^long/^double return hint wraps the body in a coercion, so the hinted fn's call
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# is NOT a tail call — its own frame is still live and must appear (not be elided).
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check_trace_on '(defn g [n] (+ :x n)) (defn ^long f [n] (g n)) (f 3)' 'f' 'g'
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# History is per top-level form: a later form's error trace shows its own frames
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# (h2/u2), not frames from an earlier, already-returned form (h1/u1).
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check_trace_on '(defn h1 [x] (inc x)) (defn u1 [] (inc (h1 5))) (u1) (defn h2 [x] (+ :x x)) (defn u2 [] (inc (h2 5))) (u2)' \
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'h2' 'u2'
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err_stale="$(JOLT_TRACE=1 bin/joltc -e '(defn h1 [x] (inc x)) (defn u1 [] (inc (h1 5))) (u1) (defn h2 [x] (+ :x x)) (defn u2 [] (inc (h2 5))) (u2)' 2>&1 >/dev/null)"
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if printf '%s' "$err_stale" | grep -q 'h1'; then
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echo " FAIL (trace-on): stale frame h1 from an earlier form leaked into the trace"
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fails=$((fails + 1))
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else
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pass=$((pass + 1))
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fi
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# --help prints usage, and lists the nREPL server under its real flag name.
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help_out="$(bin/joltc --help 2>/dev/null)"
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if printf '%s' "$help_out" | grep -q -- '--nrepl-server'; then
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pass=$((pass + 1))
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else
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echo " FAIL: --help should list --nrepl-server"
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fails=$((fails + 1))
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fi
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# clojure.test extension points (assert-expr / do-report / report) need separate
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# top-level forms — assert-expr must register before `is` expands — so this is a
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# multi-form `joltc run`, not an -e one-liner. The file self-checks its tallies.
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ct_out="$(bin/joltc run test/chez/clojure-test.clj 2>/dev/null)"
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if printf '%s' "$ct_out" | grep -q 'CLOJURE-TEST OK'; then
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pass=$((pass + 1))
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else
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echo " FAIL: clojure.test extension points"
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echo " $(printf '%s' "$ct_out" | grep CLOJURE-TEST | tail -1)"
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fails=$((fails + 1))
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fi
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# A data reader that returns a CODE form (deps.edn data_readers.clj -> reader fn)
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# must have its result spliced in and COMPILED, like Clojure — #code [:x] becomes
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# (+ 40 2) and evaluates to 42, not the literal list. A project run so the source
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# root's data_readers.clj is picked up.
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dr_out="$(JOLT_PWD="$root/test/chez/datareader-app" bin/joltc run -m drtest.main 2>/dev/null | tail -1)"
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if [ "$dr_out" = "42" ]; then
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pass=$((pass + 1))
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else
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echo " FAIL: code-returning data reader (#code) not compiled — got \`$dr_out\`, want 42"
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fails=$((fails + 1))
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fi
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# A required namespace's own :as aliases must not leak into the requirer: fix.main
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# aliases clojure.string as ss and requires fix.lib (which aliases clojure.set as
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# ss); (ss/upper-case "hi") in main must stay clojure.string -> "HI #{1 2}".
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al_out="$(JOLT_PWD="$root/test/chez/alias-leak-app" bin/joltc run -m fix.main 2>/dev/null | tail -1)"
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if [ "$al_out" = "HI #{1 2}" ]; then
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pass=$((pass + 1))
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else
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echo " FAIL: a loaded ns's alias leaked into its requirer — got \`$al_out\`, want \`HI #{1 2}\`"
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fails=$((fails + 1))
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fi
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# Unit-checks the REPL read-until-complete predicate over balanced/unbalanced,
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# string, comment and regex-literal inputs. A multi-form `joltc run` so jolt.main
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# is loaded and its private var resolves; the file self-checks and prints a sentinel.
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rr_out="$(bin/joltc run test/chez/repl-reader-test.clj 2>/dev/null)"
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if printf '%s' "$rr_out" | grep -q 'REPL-READER OK'; then
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pass=$((pass + 1))
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else
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echo " FAIL: repl-form-complete? predicate"
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echo " $(printf '%s' "$rr_out" | grep REPL-READER | tail -1)"
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fails=$((fails + 1))
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fi
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# REPL must exit on :repl/quit / :exit — a reliable exit that works in any
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# terminal, unlike ^D (which some terminals/editors don't deliver as EOF).
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# Pipe: an evaluable form, the quit keyword, then a sentinel that must NOT run.
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repl_out="$(printf '(+ 1000 23)\n:repl/quit\n(* 999 9)\n' | bin/joltc repl 2>/dev/null)"
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if printf '%s' "$repl_out" | grep -q '1023' && ! printf '%s' "$repl_out" | grep -q '8991'; then
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pass=$((pass + 1))
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else
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echo " FAIL: repl should exit on :repl/quit before later forms"
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printf '%s\n' "$repl_out" | sed 's/^/ | /'
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fails=$((fails + 1))
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fi
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repl_out="$(printf '(- 2024 1)\n:exit\n(* 999 9)\n' | bin/joltc repl 2>/dev/null)"
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if printf '%s' "$repl_out" | grep -q '2023' && ! printf '%s' "$repl_out" | grep -q '8991'; then
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pass=$((pass + 1))
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else
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echo " FAIL: repl should exit on :exit before later forms"
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printf '%s\n' "$repl_out" | sed 's/^/ | /'
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fails=$((fails + 1))
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fi
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# A form split across lines is accumulated and evaluated once complete, with a
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# secondary continuation prompt before each continued line.
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repl_out="$(printf '(+ 1\n2)\n:exit\n' | bin/joltc repl 2>/dev/null)"
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if printf '%s' "$repl_out" | grep -q '3' && ! printf '%s' "$repl_out" | grep -q 'error'; then
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pass=$((pass + 1))
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else
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echo " FAIL: repl should accumulate multi-line forms to 3"
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printf '%s\n' "$repl_out" | sed 's/^/ | /'
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fails=$((fails + 1))
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fi
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# A single-line regex literal is complete on its own — the #" opens a regex whose
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# body (delimiters, quotes and all) must not be miscounted as unbalanced parens.
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repl_out="$(printf '(re-find #"(a)(b)" "ab")\n:exit\n' | bin/joltc repl 2>/dev/null)"
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if printf '%s' "$repl_out" | grep -q 'ab' && ! printf '%s' "$repl_out" | grep -q 'error'; then
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pass=$((pass + 1))
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else
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echo " FAIL: repl should evaluate a one-line regex literal, not wait for more input"
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printf '%s\n' "$repl_out" | sed 's/^/ | /'
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fails=$((fails + 1))
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fi
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echo "cli smoke: $pass passed, $fails failed"
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[ "$fails" -eq 0 ]
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