add compile workflow

add fuzzing instrumentation

fuzz/Makefile

@@ -0,0 +1,30 @@
+FUZZFLAGS=-fsanitize=fuzzer,address,undefined
+
+JOBS=4
+WORKERS=4
+
+.PHONY: fuzz
+fuzz: fuzzer hcl.dict
+	UBSAN="print_stacktrace=1:halt_on_error=1:symbolize=1"  ASAN_OPTIONS="quarantine_size_mb=10:detect_leaks=1:symbolize=1" ./fuzzer -jobs=${JOBS} -workers=${WORKERS} -dict=hcl.dict corpus/
+
+.PHONY: clean
+clean:
+	rm -rf tree-sitter
+	rm fuzzer parser.o scanner.o libtree-sitter.a
+
+fuzzer: parser.o scanner.o libtree-sitter.a
+	clang++ -o fuzzer ${FUZZFLAGS} -std=c++11 tree-sitter/test/fuzz/fuzzer.cc -Itree-sitter/lib scanner.o parser.o libtree-sitter.a
+
+scanner.o: ../src/scanner.cc
+	clang++ -o scanner.o ${FUZZFLAGS} -std=c++11 -I../src -c ../src/scanner.cc
+
+parser.o: ../src/parser.c
+	clang -o parser.o ${FUZZFLAGS} -std=c99 -I../src -c ../src/parser.c
+
+hcl.dict:
+	tree-sitter/scripts
+
+libtree-sitter.a:
+	make -C tree-sitter
+	cp tree-sitter/libtree-sitter.a .
+