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#!/bin/bash
# Copyright 2018 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
v8_root=$(readlink -f $(dirname $BASH_SOURCE)/../)
symbols=$(
grep \
--only-matching \
--perl-regexp 'V\(_, \K([^,\)]*)' \
-- "$v8_root/src/heap-symbols.h")
# Find symbols which appear exactly once (in heap-symbols.h)
grep \
--only-matching \
--no-filename \
--recursive \
--fixed-strings "$symbols" \
-- "$v8_root/src" "$v8_root/test/cctest" \
| sort \
| uniq -u \
| sed -e 's/.*/Heap symbol "&" seems to be unused./'
echo "Kthxbye."