Resolve wasm traps to unit source

2026-07-18 10:58:08 +00:00
parent eda124b15f
commit 495a8ae5f0
13 changed files with 338 additions and 17 deletions
@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+set -euo pipefail
+cd "$(dirname "$0")/.."
+
+test_name="wasm-source-location-test-$$"
+site_directory="${UCE_TEST_SITE_DIRECTORY:-site}"
+bin_directory="${UCE_TEST_BIN_DIRECTORY:-/tmp/uce/work}"
+if [[ -r /etc/uce/settings.cfg ]]; then
+	configured_site_directory=$(awk -F= '/^[[:space:]]*HTTP_DOCUMENT_ROOT[[:space:]]*=/ {gsub(/^[[:space:]]+|[[:space:]]+$/, "", $2); print $2; exit}' /etc/uce/settings.cfg)
+	configured_bin_directory=$(awk -F= '/^[[:space:]]*BIN_DIRECTORY[[:space:]]*=/ {gsub(/^[[:space:]]+|[[:space:]]+$/, "", $2); print $2; exit}' /etc/uce/settings.cfg)
+	[[ -n "${UCE_TEST_SITE_DIRECTORY:-}" ]] || site_directory="${configured_site_directory:-$site_directory}"
+	[[ -n "${UCE_TEST_BIN_DIRECTORY:-}" ]] || bin_directory="${configured_bin_directory:-$bin_directory}"
+fi
+source_dir="$site_directory/$test_name"
+absolute_source_dir=""
+artifact_dir=""
+
+cleanup() {
+	rm -rf "$source_dir"
+	[[ -z "$artifact_dir" ]] || rm -rf "$artifact_dir"
+}
+trap cleanup EXIT
+mkdir -p "$source_dir"
+absolute_source_dir=$(realpath "$source_dir")
+artifact_dir="$bin_directory$absolute_source_dir"
+printf '%s\n' 'CLI(Request& context) { __builtin_trap(); }' >"$source_dir/entry.uce"
+
+set +e
+output=$(scripts/uce-cli "/$test_name/entry.uce" 2>&1)
+status=$?
+set -e
+if [[ $status -eq 0 ]]; then
+	echo "trapping wasm unit unexpectedly succeeded" >&2
+	exit 1
+fi
+expected="$absolute_source_dir/entry.uce:1:25"
+if [[ "$output" != *'wasm `unreachable` instruction executed'* || "$output" != *"source locations:"* || "$output" != *"$expected"* ]]; then
+	echo "wasm trap omitted its source location:" >&2
+	echo "$output" >&2
+	exit 1
+fi
+
+rm "$artifact_dir/entry.uce.wasm.source-map"
+set +e
+without_map=$(scripts/uce-cli "/$test_name/entry.uce" 2>&1)
+status=$?
+set -e
+if [[ $status -eq 0 || "$without_map" != *'wasm `unreachable` instruction executed'* || "$without_map" == *"source locations:"* ]]; then
+	echo "missing-map trap fallback failed:" >&2
+	echo "$without_map" >&2
+	exit 1
+fi
+
+echo "wasm source locations passed"