solidity/scripts/ci/build_ossfuzz.sh

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#!/usr/bin/env bash
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set -ex
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ROOTDIR="/root/project"
BUILDDIR="${ROOTDIR}/build"
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mkdir -p "${BUILDDIR}" && mkdir -p "$BUILDDIR/deps"
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ANTLRJAR="${ROOTDIR}/build/deps/antlr4.8.jar"
ANTLRJAR_URI="https://www.antlr.org/download/antlr-4.8-complete.jar"
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download_antlr4()
{
if [[ ! -e "${ANTLRJAR}" ]]
then
wget -O "${ANTLRJAR}" "${ANTLRJAR_URI}"
fi
}
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generate_protobuf_bindings()
{
cd "${ROOTDIR}"/test/tools/ossfuzz
# Generate protobuf C++ bindings
for protoName in yul abiV2 sol;
do
protoc "${protoName}"Proto.proto --cpp_out .
done
}
generate_antlr4_bindings()
{
cd "${ROOTDIR}"
# Replace boolean with bool to suit c++ syntax
sed -i 's/boolean /bool /g' docs/grammar/Solidity.g4
# Generate antlr4 visitor/parser/lexer c++ bindings
java -jar "${ANTLRJAR}" -Dlanguage=Cpp \
-Xexact-output-dir -package solidity::test::fuzzer -o test/tools/ossfuzz \
-no-listener -visitor docs/grammar/SolidityLexer.g4 docs/grammar/Solidity.g4
# Delete unnecessary autogen files
rm -f "${ROOTDIR}"/test/tools/ossfuzz/Solidity*Visitor.cpp \
"${ROOTDIR}"/test/tools/ossfuzz/Solidity*.interp \
"${ROOTDIR}"/test/tools/ossfuzz/Solidity*.tokens
}
build_fuzzers()
{
cd "${BUILDDIR}"
cmake .. -DCMAKE_BUILD_TYPE="${CMAKE_BUILD_TYPE:-Release}" \
-DCMAKE_TOOLCHAIN_FILE="${ROOTDIR}"/cmake/toolchains/libfuzzer.cmake
make ossfuzz ossfuzz_proto ossfuzz_abiv2 -j 4
}
download_antlr4
generate_protobuf_bindings
generate_antlr4_bindings
build_fuzzers