jolt/host/chez/build-smoke.sh
Yogthos dbc5afac32 build: a no-main entry namespace runs as a script instead of crashing
jolt build -m ns on a namespace with only top-level side effects and no
-main produced a binary that printed its output, then crashed calling a nil
-main ("nil cannot be cast to IFn"). The launcher now calls -main only when
the entry ns actually defines one; otherwise the top-level forms (already run
at heap build) are the whole program and it exits cleanly. Regression case
added to build-smoke.sh.
2026-07-04 10:18:57 -04:00

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#!/bin/sh
# build smoke: `jolt build` compiles a multi-namespace app (macro + cross-ns +
# clojure.string) into a standalone binary, which then runs with no jolt source
# or Chez install on the path — args reach -main, output matches.
root="$(CDPATH= cd -- "$(dirname -- "$0")/../.." && pwd)"
cd "$root"
# Preflight: a standalone build needs Chez's kernel dev files (libkernel.a +
# scheme.h) and a C compiler. A distro chezscheme package ships neither, so on
# such hosts (CI included) skip — like `certify` skips without Clojure. Pin the
# csv dir we validate so the build uses exactly it.
csv="$JOLT_CHEZ_CSV"
if [ -z "$csv" ]; then
chez_bin="$(command -v chez || command -v scheme || command -v petite || true)"
if [ -n "$chez_bin" ]; then
base="$(cd "$(dirname "$chez_bin")/.." 2>/dev/null && pwd)"
for d in "$base"/lib/csv*/*/; do
[ -f "${d}libkernel.a" ] && csv="${d%/}" && break
done
fi
fi
if ! command -v cc >/dev/null 2>&1 || [ -z "$csv" ] || [ ! -f "$csv/scheme.h" ] || [ ! -f "$csv/libkernel.a" ]; then
echo "build smoke: skipped (Chez kernel dev files or C compiler not available)"
exit 0
fi
export JOLT_CHEZ_CSV="$csv"
app="$root/test/chez/build-app"
out="$(mktemp -d)/app-bin"
trap 'rm -rf "$(dirname "$out")"' EXIT
echo "build smoke: compiling app.core -> $out"
if ! JOLT_PWD="$app" bin/joltc build -m app.core -o "$out" >/dev/null 2>&1; then
echo " FAIL: jolt build exited non-zero"
exit 1
fi
[ -x "$out" ] || { echo " FAIL: no executable produced"; exit 1; }
# Run from a neutral cwd with args. The first line is an embedded resource
# (deps.edn :jolt/build :embed), proving io/resource resolves from the binary with
# no resources/ dir on disk; the rest exercise a macro, cross-ns, and args.
got="$(cd / && "$out" alpha bb ccc 2>&1)"
want='embedded resource ok
HELLO FROM A BUILT BINARY!
HELLO FROM A BUILT BINARY!
args: [alpha bb ccc]
sum: 10
greet-default: greet:default
greet-loud: greet:loud
greet-soft: greet:soft'
if [ "$got" != "$want" ]; then
echo " FAIL: binary output mismatch"
echo "--- want ---"; echo "$want"
echo "--- got ----"; echo "$got"
exit 1
fi
# Optimized mode (inference + flatten + scalar-replace) must produce the same
# result — a sanity check that the passes don't miscompile this app.
if ! JOLT_PWD="$app" bin/joltc build -m app.core -o "$out" --opt >/dev/null 2>&1; then
echo " FAIL: jolt build --opt exited non-zero"; exit 1
fi
got_opt="$(cd / && "$out" alpha bb ccc 2>&1)"
if [ "$got_opt" != "$want" ]; then
echo " FAIL: --opt binary output mismatch"
echo "--- got ----"; echo "$got_opt"
exit 1
fi
# Closed-world direct-linking (opt-in): same result, and the cross-namespace call
# (app.core -> app.util/shout) must lower to a direct jv$ binding, not var-deref.
if ! JOLT_PWD="$app" bin/joltc build -m app.core -o "$out" --direct-link >/dev/null 2>&1; then
echo " FAIL: jolt build --direct-link exited non-zero"; exit 1
fi
got_dl="$(cd / && "$out" alpha bb ccc 2>&1)"
if [ "$got_dl" != "$want" ]; then
echo " FAIL: --direct-link binary output mismatch"
echo "--- got ----"; echo "$got_dl"
exit 1
fi
if ! grep -q '(jv\$app.util\$shout' "$out.build/flat.ss"; then
echo " FAIL: --direct-link did not emit a direct app->app call"; exit 1
fi
# A direct-link build registers fn sources, so an uncaught throw prints a Clojure
# stack trace mapping each native frame back to ns/name (file:line).
if ! grep -q 'jolt-register-source!' "$out.build/flat.ss"; then
echo " FAIL: --direct-link did not emit source registrations"; exit 1
fi
boom_err="$(cd / && "$out" --boom 2>&1 >/dev/null)"
for frame in 'app.util/deep-boom' 'app.util/mid-boom' 'app.core/-main'; do
if ! printf '%s' "$boom_err" | grep -q "$frame"; then
echo " FAIL: stack trace missing frame $frame"
echo "--- got ----"; echo "$boom_err"
exit 1
fi
done
# Tree-shaking (opt-in): same result, and an unreachable def (the `twice` macro,
# expanded at AOT and never called at runtime) is dropped.
if ! JOLT_PWD="$app" bin/joltc build -m app.core -o "$out" --tree-shake >/dev/null 2>&1; then
echo " FAIL: jolt build --tree-shake exited non-zero"; exit 1
fi
got_ts="$(cd / && "$out" alpha bb ccc 2>&1)"
if [ "$got_ts" != "$want" ]; then
echo " FAIL: --tree-shake binary output mismatch"
echo "--- got ----"; echo "$got_ts"
exit 1
fi
if grep -q 'def-var! "app.util" "twice"' "$out.build/flat.ss"; then
echo " FAIL: --tree-shake did not drop the unreachable twice macro"; exit 1
fi
# The app never evals, so the compiler image (analyzer/back end) is dropped.
if grep -q 'def-var! "jolt.analyzer"' "$out.build/flat.ss"; then
echo " FAIL: --tree-shake kept the compiler image in a no-eval app"; exit 1
fi
# Core is shaken: a clojure.core overlay fn this app never uses is dropped.
if grep -q 'def-var! "clojure.core" "group-by"' "$out.build/flat.ss"; then
echo " FAIL: --tree-shake kept an unreachable clojure.core fn (group-by)"; exit 1
fi
# A registered data reader that returns a CODE form must be compiled into the
# binary (the emit path applies it too, not just the interpreted loader): the
# datareader-app's #code literal builds to 42, not the literal list.
drapp="$root/test/chez/datareader-app"
drout="$(dirname "$out")/dr-bin"
if ! JOLT_PWD="$drapp" bin/joltc build -m drtest.main -o "$drout" >/dev/null 2>&1; then
echo " FAIL: jolt build of a data-reader app exited non-zero"; exit 1
fi
got_dr="$(cd / && "$drout" 2>&1 | tail -1)"
if [ "$got_dr" != "42" ]; then
echo " FAIL: built #code data reader — want 42, got \`$got_dr\`"; exit 1
fi
# A script namespace with no -main (just top-level side effects) must build and
# run its top-level forms, then exit cleanly — not crash calling a nil -main.
nomain="$(dirname "$out")/nomain"
mkdir -p "$nomain/src"
printf '{:paths ["src"]}\n' > "$nomain/deps.edn"
printf '(ns script)\n(println "no-main script ran")\n' > "$nomain/src/script.clj"
nmout="$(dirname "$out")/nomain-bin"
if ! JOLT_PWD="$nomain" bin/joltc build -m script -o "$nmout" >/dev/null 2>&1; then
echo " FAIL: jolt build of a no-main script exited non-zero"; exit 1
fi
got_nm="$(cd / && "$nmout" 2>&1)"; rc_nm=$?
if [ "$got_nm" != "no-main script ran" ] || [ "$rc_nm" != "0" ]; then
echo " FAIL: no-main script binary — want 'no-main script ran' rc 0, got \`$got_nm\` rc $rc_nm"
exit 1
fi
echo "build smoke: passed (release + optimized + direct-link + tree-shake + compiler+core shake + data-reader + no-main)"