conformance: migrate erlang onto shared driver (dict, 761/761 parity)
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Erlang's suites load into one session and each exposes a pass counter plus a
*count* (total) counter rather than a fail counter, so MODE=dict fits directly:
each suite's runner is a dict literal {:passed P :failed (- count P) :total count}.
No driver change needed (dict mode already supports arbitrary runner expressions).
conformance.conf + 3-line shim; historical scoreboard schema preserved.

Parity verified 761/761 (0 fail), every suite matching baseline.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-06-07 10:28:27 +00:00
parent 2e7a08309c
commit bb85532cc6
4 changed files with 77 additions and 163 deletions

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# Erlang-on-SX conformance config — sourced by lib/guest/conformance.sh.
#
# Erlang's suites load into one session and each exposes a pass counter and a
# *count* (total) counter — not a fail counter. dict mode fits cleanly: each
# runner is a dict literal computing :failed as count - pass. (counters mode
# would misread the count counter as a fail counter.)
LANG_NAME=erlang
MODE=dict
PRELOADS=(
lib/erlang/tokenizer.sx
lib/erlang/parser.sx
lib/erlang/parser-core.sx
lib/erlang/parser-expr.sx
lib/erlang/parser-module.sx
lib/erlang/transpile.sx
lib/erlang/runtime.sx
lib/erlang/vm/dispatcher.sx
)
# name:file:(runner) — runner is a dict literal {:passed :failed :total}.
SUITES=(
"tokenize:lib/erlang/tests/tokenize.sx:{:passed er-test-pass :failed (- er-test-count er-test-pass) :total er-test-count}"
"parse:lib/erlang/tests/parse.sx:{:passed er-parse-test-pass :failed (- er-parse-test-count er-parse-test-pass) :total er-parse-test-count}"
"eval:lib/erlang/tests/eval.sx:{:passed er-eval-test-pass :failed (- er-eval-test-count er-eval-test-pass) :total er-eval-test-count}"
"runtime:lib/erlang/tests/runtime.sx:{:passed er-rt-test-pass :failed (- er-rt-test-count er-rt-test-pass) :total er-rt-test-count}"
"ring:lib/erlang/tests/programs/ring.sx:{:passed er-ring-test-pass :failed (- er-ring-test-count er-ring-test-pass) :total er-ring-test-count}"
"ping-pong:lib/erlang/tests/programs/ping_pong.sx:{:passed er-pp-test-pass :failed (- er-pp-test-count er-pp-test-pass) :total er-pp-test-count}"
"bank:lib/erlang/tests/programs/bank.sx:{:passed er-bank-test-pass :failed (- er-bank-test-count er-bank-test-pass) :total er-bank-test-count}"
"echo:lib/erlang/tests/programs/echo.sx:{:passed er-echo-test-pass :failed (- er-echo-test-count er-echo-test-pass) :total er-echo-test-count}"
"fib:lib/erlang/tests/programs/fib_server.sx:{:passed er-fib-test-pass :failed (- er-fib-test-count er-fib-test-pass) :total er-fib-test-count}"
"ffi:lib/erlang/tests/ffi.sx:{:passed er-ffi-test-pass :failed (- er-ffi-test-count er-ffi-test-pass) :total er-ffi-test-count}"
"vm:lib/erlang/tests/vm.sx:{:passed er-vm-test-pass :failed (- er-vm-test-count er-vm-test-pass) :total er-vm-test-count}"
)
# Preserve the historical scoreboard schema so consumers of
# lib/erlang/scoreboard.json keep working.
emit_scoreboard_json() {
local n=${#GC_NAMES[@]} i status
printf '{\n'
printf ' "language": "erlang",\n'
printf ' "total_pass": %d,\n' "$GC_TOTAL_PASS"
printf ' "total": %d,\n' "$GC_TOTAL"
printf ' "suites": ['
for ((i=0; i<n; i++)); do
[ "$i" -gt 0 ] && printf ','
status="ok"; [ "${GC_FAIL[$i]}" -gt 0 ] && status="fail"
printf '\n {"name":"%s","pass":%d,"total":%d,"status":"%s"}' \
"${GC_NAMES[$i]}" "${GC_PASS[$i]}" "${GC_TOTAL_S[$i]}" "$status"
done
printf '\n ]\n'
printf '}\n'
}
emit_scoreboard_md() {
local n=${#GC_NAMES[@]} i marker
printf '# Erlang-on-SX Scoreboard\n\n'
printf '**Total: %d / %d tests passing**\n\n' "$GC_TOTAL_PASS" "$GC_TOTAL"
printf '| | Suite | Pass | Total |\n'
printf '|---|---|---|---|\n'
for ((i=0; i<n; i++)); do
marker="✅"; [ "${GC_FAIL[$i]}" -gt 0 ] && marker="❌"
printf '| %s | %s | %d | %d |\n' \
"$marker" "${GC_NAMES[$i]}" "${GC_PASS[$i]}" "${GC_TOTAL_S[$i]}"
done
printf '\nGenerated by `lib/erlang/conformance.sh`.\n'
}

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#!/usr/bin/env bash
# Erlang-on-SX conformance runner.
#
# Loads every erlang test suite via the epoch protocol, collects
# pass/fail counts, and writes lib/erlang/scoreboard.json + .md.
#
# Usage:
# bash lib/erlang/conformance.sh # run all suites
# bash lib/erlang/conformance.sh -v # verbose per-suite
set -uo pipefail
cd "$(git rev-parse --show-toplevel)"
SX_SERVER="${SX_SERVER:-hosts/ocaml/_build/default/bin/sx_server.exe}"
if [ ! -x "$SX_SERVER" ]; then
SX_SERVER="/root/rose-ash/hosts/ocaml/_build/default/bin/sx_server.exe"
fi
if [ ! -x "$SX_SERVER" ]; then
echo "ERROR: sx_server.exe not found." >&2
exit 1
fi
VERBOSE="${1:-}"
TMPFILE=$(mktemp)
OUTFILE=$(mktemp)
trap "rm -f $TMPFILE $OUTFILE" EXIT
# Each suite: name | counter pass | counter total
SUITES=(
"tokenize|er-test-pass|er-test-count"
"parse|er-parse-test-pass|er-parse-test-count"
"eval|er-eval-test-pass|er-eval-test-count"
"runtime|er-rt-test-pass|er-rt-test-count"
"ring|er-ring-test-pass|er-ring-test-count"
"ping-pong|er-pp-test-pass|er-pp-test-count"
"bank|er-bank-test-pass|er-bank-test-count"
"echo|er-echo-test-pass|er-echo-test-count"
"fib|er-fib-test-pass|er-fib-test-count"
"ffi|er-ffi-test-pass|er-ffi-test-count"
"vm|er-vm-test-pass|er-vm-test-count"
)
cat > "$TMPFILE" << 'EPOCHS'
(epoch 1)
(load "lib/erlang/tokenizer.sx")
(load "lib/erlang/parser.sx")
(load "lib/erlang/parser-core.sx")
(load "lib/erlang/parser-expr.sx")
(load "lib/erlang/parser-module.sx")
(load "lib/erlang/transpile.sx")
(load "lib/erlang/runtime.sx")
(load "lib/erlang/tests/tokenize.sx")
(load "lib/erlang/tests/parse.sx")
(load "lib/erlang/tests/eval.sx")
(load "lib/erlang/tests/runtime.sx")
(load "lib/erlang/tests/programs/ring.sx")
(load "lib/erlang/tests/programs/ping_pong.sx")
(load "lib/erlang/tests/programs/bank.sx")
(load "lib/erlang/tests/programs/echo.sx")
(load "lib/erlang/tests/programs/fib_server.sx")
(load "lib/erlang/vm/dispatcher.sx")
(load "lib/erlang/tests/ffi.sx")
(load "lib/erlang/tests/vm.sx")
(epoch 100)
(eval "(list er-test-pass er-test-count)")
(epoch 101)
(eval "(list er-parse-test-pass er-parse-test-count)")
(epoch 102)
(eval "(list er-eval-test-pass er-eval-test-count)")
(epoch 103)
(eval "(list er-rt-test-pass er-rt-test-count)")
(epoch 104)
(eval "(list er-ring-test-pass er-ring-test-count)")
(epoch 105)
(eval "(list er-pp-test-pass er-pp-test-count)")
(epoch 106)
(eval "(list er-bank-test-pass er-bank-test-count)")
(epoch 107)
(eval "(list er-echo-test-pass er-echo-test-count)")
(epoch 108)
(eval "(list er-fib-test-pass er-fib-test-count)")
(epoch 109)
(eval "(list er-ffi-test-pass er-ffi-test-count)")
(epoch 110)
(eval "(list er-vm-test-pass er-vm-test-count)")
EPOCHS
timeout 600 "$SX_SERVER" < "$TMPFILE" > "$OUTFILE" 2>&1
# Parse "(N M)" from the line after each "(ok-len <epoch> ...)" marker.
parse_pair() {
local epoch="$1"
local line
line=$(grep -A1 "^(ok-len $epoch " "$OUTFILE" | tail -1)
echo "$line" | sed -E 's/[()]//g'
}
TOTAL_PASS=0
TOTAL_COUNT=0
JSON_SUITES=""
MD_ROWS=""
idx=0
for entry in "${SUITES[@]}"; do
name="${entry%%|*}"
epoch=$((100 + idx))
pair=$(parse_pair "$epoch")
pass=$(echo "$pair" | awk '{print $1}')
count=$(echo "$pair" | awk '{print $2}')
if [ -z "$pass" ] || [ -z "$count" ]; then
pass=0
count=0
fi
TOTAL_PASS=$((TOTAL_PASS + pass))
TOTAL_COUNT=$((TOTAL_COUNT + count))
status="ok"
marker="✅"
if [ "$pass" != "$count" ]; then
status="fail"
marker="❌"
fi
if [ "$VERBOSE" = "-v" ]; then
printf " %-12s %s/%s\n" "$name" "$pass" "$count"
fi
if [ -n "$JSON_SUITES" ]; then JSON_SUITES+=","; fi
JSON_SUITES+=$'\n '
JSON_SUITES+="{\"name\":\"$name\",\"pass\":$pass,\"total\":$count,\"status\":\"$status\"}"
MD_ROWS+="| $marker | $name | $pass | $count |"$'\n'
idx=$((idx + 1))
done
printf '\nErlang-on-SX conformance: %d / %d\n' "$TOTAL_PASS" "$TOTAL_COUNT"
# scoreboard.json
cat > lib/erlang/scoreboard.json <<JSON
{
"language": "erlang",
"total_pass": $TOTAL_PASS,
"total": $TOTAL_COUNT,
"suites": [$JSON_SUITES
]
}
JSON
# scoreboard.md
cat > lib/erlang/scoreboard.md <<MD
# Erlang-on-SX Scoreboard
**Total: ${TOTAL_PASS} / ${TOTAL_COUNT} tests passing**
| | Suite | Pass | Total |
|---|---|---|---|
$MD_ROWS
Generated by \`lib/erlang/conformance.sh\`.
MD
if [ "$TOTAL_PASS" -eq "$TOTAL_COUNT" ]; then
exit 0
else
exit 1
fi
# Thin wrapper — see lib/guest/conformance.sh and lib/erlang/conformance.conf.
exec bash "$(dirname "$0")/../guest/conformance.sh" "$(dirname "$0")/conformance.conf" "$@"

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| ✅ | ffi | 37 | 37 |
| ✅ | vm | 78 | 78 |
Generated by `lib/erlang/conformance.sh`.