67 lines
1.9 KiB
Bash
Executable file
67 lines
1.9 KiB
Bash
Executable file
#!/bin/bash
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set -e
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if [[ "$(uname -s)" != Linux ]]; then
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echo "Fuzzing is only supported on Linux"
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exit 1
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fi
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if [[ -z "$LIB_FUZZER_PATH" ]]; then
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echo "LIB_FUZZER_PATH not set"
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exit 1
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fi
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CC=${CC:-clang}
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CXX=${CXX:-clang++}
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LINK=${LINK:-clang++}
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default_fuzz_flags="-fsanitize=fuzzer,address,undefined"
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CFLAGS=${CFLAGS:-"$default_fuzz_flags"}
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CXXFLAGS=${CXXFLAGS:-"$default_fuzz_flags"}
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export CFLAGS
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script/build-lib
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if [ -z "$@" ]; then
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languages=$(ls test/fixtures/grammars)
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else
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languages="$@"
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fi
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for lang in ${languages[@]}; do
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echo "Building $lang fuzzer..."
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lang_dir="test/fixtures/grammars/$lang"
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# The following assumes each language is implemented as src/parser.c plus an
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# optional scanner in src/scanner.{c,cc}
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objects=()
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lang_scanner="${lang_dir}/src/scanner"
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if [ -e "${lang_scanner}.cc" ]; then
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$CXX $CXXFLAGS -g -O1 "-I${lang_dir}/src" -c "${lang_scanner}.cc" -o "${lang_scanner}.o"
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objects+=("${lang_scanner}.o")
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elif [ -e "${lang_scanner}.c" ]; then
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$CC $CFLAGS -std=c99 -g -O1 "-I${lang_dir}/src" -c "${lang_scanner}.c" -o "${lang_scanner}.o"
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objects+=("${lang_scanner}.o")
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fi
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# Compiling with -O0 speeds up the build dramatically
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$CC $CFLAGS -g -O0 "-I${lang_dir}/src" "${lang_dir}/src/parser.c" -c -o "${lang_dir}/src/parser.o"
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objects+=("${lang_dir}/src/parser.o")
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modes=(true halt false recover)
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for i in 0 2; do
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# FIXME: We should extract the grammar name from grammar.js. Use the name of
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# the directory instead. Also, the grammar name needs to be a valid C
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# identifier so replace any '-' characters
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ts_lang="tree_sitter_$(echo $lang | tr -- - _)"
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$CXX $CXXFLAGS -std=c++11 -I lib/include -D TS_HALT_ON_ERROR="${modes[i]}" -D TS_LANG="$ts_lang" \
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"test/fuzz/fuzzer.cc" "${objects[@]}" \
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libtree-sitter.a "$LIB_FUZZER_PATH" \
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-o "out/${lang}_fuzzer_${modes[i+1]}"
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done
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python test/fuzz/gen-dict.py "${lang_dir}/src/grammar.json" > "out/$lang.dict"
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done
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