15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#!/bin/bash 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# Copyright (C) 2011 Google Inc. All rights reserved. 5fff8884795cb540f87cf6e6d67b629519b00eb8bBen Murdoch# 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# Redistribution and use in source and binary forms, with or without 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# modification, are permitted provided that the following conditions are 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# met: 9fff8884795cb540f87cf6e6d67b629519b00eb8bBen Murdoch# 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# * Redistributions of source code must retain the above copyright 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# notice, this list of conditions and the following disclaimer. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# * Redistributions in binary form must reproduce the above 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# copyright notice, this list of conditions and the following disclaimer 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# in the documentation and/or other materials provided with the 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# distribution. 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# * Neither the name of Google Inc. nor the names of its 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# contributors may be used to endorse or promote products derived from 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# this software without specific prior written permission. 19fff8884795cb540f87cf6e6d67b629519b00eb8bBen Murdoch# 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# This script checks a WebCore static library for potential Objective-C 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# class name collisions with the system's copy of the WebCore framework. 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# See the postbuild action that calls it from ../WebCore.gyp for details. 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)set -e 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)set -o pipefail 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)if [[ $# -ne 2 ]]; then 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) echo "usage: ${0} class_whitelist_pattern category_whitelist_pattern" >& 2 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) exit 1 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)fi 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)lib="${BUILT_PRODUCTS_DIR}/${FULL_PRODUCT_NAME}" 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)nm_pattern='[atsATS] ([+-]\[|\.objc_class_name_)' 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class_whitelist_pattern="${1}" 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)category_whitelist_pattern="${2}" 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# Send nm's stderr in the pipeline to /dev/null to avoid spewing 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# "nm: no name list" messages. This means that if the pipelined nm fails, there 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# won't be any output, so if the entire assignment fails, run nm again to get 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# some output. 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)violators=$(nm -p "${lib}" 2> /dev/null | \ 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) (grep -E "${nm_pattern}" || true) | \ 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) (grep -Ev "${nm_pattern}(${class_whitelist_pattern})" || true) | \ 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) (grep -Ev "\((${category_whitelist_pattern})\)" || true)) || nm -p "${lib}" 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)if [[ -z "${violators}" ]]; then 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) # An empty list means that everything's clean. 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) exit 0 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)fi 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)cat << __EOF__ >&2 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)These Objective-C symbols may clash with those provided by the system's own 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)WebCore framework: 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)${violators} 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)These symbols were found in: 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)${lib} 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)This should be corrected by adding the appropriate definitions to 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)$(dirname ${0})/../WebCore.gyp 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)or by updating the whitelist in 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)${0} 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)__EOF__ 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)exit 1 80