W3

scripts/wasm/build_w2_units.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+# Batch-build W2 wasm side modules for already-known/generated UCE units.
+set -euo pipefail
+cd "$(dirname "$0")/../.."
+
+BIN_DIR=${UCE_BIN_DIRECTORY:-/tmp/uce/work}
+KNOWN_FILE=${UCE_KNOWN_UNITS_FILE:-$BIN_DIR/known-uce-files.txt}
+MIN_UNITS=${UCE_W2_MIN_UNITS:-1}
+
+if [ "$#" -gt 0 ]; then
+	UNITS=("$@")
+else
+	if [ ! -f "$KNOWN_FILE" ]; then
+		echo "known unit registry not found: $KNOWN_FILE" >&2
+		exit 1
+	fi
+	mapfile -t UNITS < <(grep -v '^[[:space:]]*$' "$KNOWN_FILE")
+fi
+
+count=0
+checked=0
+skipped=0
+# Native-only units that cannot be wasm side modules (yet).
+# - error-reporting.uce deliberately throws to exercise the native exception
+#   path; the wasm backend replaces that machinery with traps (§11.1).
+# - tests/zip.uce uses try/catch around the zip library, which is carved out
+#   of the wasm core until it moves behind a hostcall (W4+ membrane work).
+SKIP_PATTERN=${UCE_W2_SKIP:-(error-reporting|tests/zip)\.uce$}
+
+for unit in "${UNITS[@]}"; do
+	case "$unit" in
+		*.uce|*.ws.uce) ;;
+		*) continue ;;
+	esac
+	if [[ "$unit" =~ $SKIP_PATTERN ]]; then
+		continue
+	fi
+	src_dir=$(dirname "$unit")
+	base=$(basename "$unit")
+	dest_dir="$BIN_DIR$src_dir"
+	pp_fn="$base.cpp"
+	wasm_fn="$base.wasm"
+	if [ ! -f "$dest_dir/$pp_fn" ]; then
+		echo "missing preprocessed unit: $dest_dir/$pp_fn" >&2
+		exit 1
+	fi
+	if [ -s "$dest_dir/$wasm_fn" ] && [ "$dest_dir/$wasm_fn" -nt "$dest_dir/$pp_fn" ] && [ "$dest_dir/$wasm_fn" -nt "$unit" ]; then
+		scripts/wasm/check_unit_wasm.py "$dest_dir/$wasm_fn"
+		skipped=$((skipped + 1))
+	else
+		scripts/compile_wasm_unit "$src_dir" "$dest_dir" "$unit" "$pp_fn" "$wasm_fn"
+		count=$((count + 1))
+	fi
+	checked=$((checked + 1))
+done
+
+if [ "$checked" -lt "$MIN_UNITS" ]; then
+	echo "checked only $checked wasm units, expected at least $MIN_UNITS" >&2
+	exit 1
+fi
+
+echo "W2 batch wasm units: checked=$checked compiled=$count reused=$skipped"