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#!/usr/bin/env bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
MKTEMP="mktemp /tmp/tmp.XXXXXXXXXX"
# Ask the compiler the implementation specific type for a standard typedeffed type
# (int64_t, size_t etc.). Operates by test compiling and using the demangling ABI call.
#
# This works for gcc and clang on Unix.
full_type_of () {
prog=$($MKTEMP)
trap "rm $prog" EXIT
${CXX:-g++} -x c++ -o $prog - <<END-FILE
#include <stdint.h>
#include <stdlib.h>
#include <cxxabi.h>
#include <iostream>
#include <typeinfo>
int main() {
int status;
char* printable_type =
__cxxabiv1::__cxa_demangle(typeid($1).name(), 0, 0, &status);
if (printable_type) {
std::cout << printable_type;
} else {
std::cout << "$1";
}
::free(printable_type);
}
END-FILE
$prog
}
rc=0
syms_desired=$($MKTEMP)
syms_library=$($MKTEMP)
syms_missing=$($MKTEMP)
syms_extra=$($MKTEMP)
trap 'rm $syms_desired $syms_library $syms_missing $syms_extra' EXIT
CXX=$1
export CXX
LC_ALL=C
export LC_ALL
# Extract exported symbols from library
nm -DC --defined-only -f s $2 | cut -f1 -d'|' -s | sort -u > $syms_library
# Process API syms (substitute in some typedefs etc.)
sed -e "
s/uint64_t/$(full_type_of uint64_t)/
s/uint32_t/unsigned int/
s/uint16_t/unsigned short/
s/uint8_t/unsigned char/
s/size_t/$(full_type_of size_t)/
s/int64_t/$(full_type_of int64_t)/
s/int32_t/int/
s/int16_t/short/
s/int8_t/signed char/
s/qpid::types::Variant::Map/std::map<std::string, qpid::types::Variant, std::less<std::string>, std::allocator<std::pair<std::string const, qpid::types::Variant> > >/
s/qpid::types::Variant::List/std::list<qpid::types::Variant, std::allocator<qpid::types::Variant> >/
/^\$/d
/^#.*\$/d
" $3 | sort -u > $syms_desired
comm -23 $syms_desired $syms_library > $syms_missing
comm -13 $syms_desired $syms_library > $syms_extra
if [ -n "$(cat $syms_missing)" ] ; then
(echo "Not exported from library (should be)"
echo "====================================="
cat $syms_missing ) 1>&2
rc=1
fi
if [ -n "$(cat $syms_extra)" ]; then
(echo "Exported by library but not in spec"
echo "==================================="
cat $syms_extra ) 1>&2
fi
exit $rc
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