Makefile - third_party/json - Git at Google

 .PHONY: pretty clean ChangeLog.md

 SRCS = include/nlohmann/json.hpp \
        include/nlohmann/json_fwd.hpp \
        include/nlohmann/adl_serializer.hpp \
        include/nlohmann/detail/conversions/from_json.hpp \
        include/nlohmann/detail/conversions/to_chars.hpp \
        include/nlohmann/detail/conversions/to_json.hpp \
        include/nlohmann/detail/exceptions.hpp \
        include/nlohmann/detail/input/binary_reader.hpp \
        include/nlohmann/detail/input/input_adapters.hpp \
        include/nlohmann/detail/input/json_sax.hpp \
        include/nlohmann/detail/input/lexer.hpp \
        include/nlohmann/detail/input/parser.hpp \
        include/nlohmann/detail/input/position_t.hpp \
        include/nlohmann/detail/iterators/internal_iterator.hpp \
        include/nlohmann/detail/iterators/iter_impl.hpp \
        include/nlohmann/detail/iterators/iteration_proxy.hpp \
        include/nlohmann/detail/iterators/json_reverse_iterator.hpp \
        include/nlohmann/detail/iterators/primitive_iterator.hpp \
        include/nlohmann/detail/json_pointer.hpp \
        include/nlohmann/detail/json_ref.hpp \
        include/nlohmann/detail/macro_scope.hpp \
        include/nlohmann/detail/macro_unscope.hpp \
        include/nlohmann/detail/meta/cpp_future.hpp \
        include/nlohmann/detail/meta/detected.hpp \
        include/nlohmann/detail/meta/type_traits.hpp \
        include/nlohmann/detail/meta/void_t.hpp \
        include/nlohmann/detail/output/binary_writer.hpp \
        include/nlohmann/detail/output/output_adapters.hpp \
        include/nlohmann/detail/output/serializer.hpp \
        include/nlohmann/detail/value_t.hpp

 UNAME = $(shell uname)
 CXX=clang++

 AMALGAMATED_FILE=single_include/nlohmann/json.hpp

 # directory to recent compiler binaries
 COMPILER_DIR=/Users/niels/Documents/projects/compilers/local/bin

 # main target
 all:
 	@echo "amalgamate - amalgamate file single_include/nlohmann/json.hpp from the include/nlohmann sources"
 	@echo "ChangeLog.md - generate ChangeLog file"
 	@echo "check - compile and execute test suite"
 	@echo "check-amalgamation - check whether sources have been amalgamated"
 	@echo "check-fast - compile and execute test suite (skip long-running tests)"
 	@echo "clean - remove built files"
 	@echo "coverage - create coverage information with lcov"
 	@echo "cppcheck - analyze code with cppcheck"
 	@echo "cpplint - analyze code with cpplint"
 	@echo "clang_tidy - analyze code with Clang-Tidy"
 	@echo "clang_analyze - analyze code with Clang-Analyzer"
 	@echo "doctest - compile example files and check their output"
 	@echo "fuzz_testing - prepare fuzz testing of the JSON parser"
 	@echo "fuzz_testing_bson - prepare fuzz testing of the BSON parser"
 	@echo "fuzz_testing_cbor - prepare fuzz testing of the CBOR parser"
 	@echo "fuzz_testing_msgpack - prepare fuzz testing of the MessagePack parser"
 	@echo "fuzz_testing_ubjson - prepare fuzz testing of the UBJSON parser"
 	@echo "json_unit - create single-file test executable"
 	@echo "pedantic_clang - run Clang with maximal warning flags"
 	@echo "pedantic_gcc - run GCC with maximal warning flags"
 	@echo "pretty - beautify code with Artistic Style"
 	@echo "run_benchmarks - build and run benchmarks"

 ##########################################################################
 # unit tests
 ##########################################################################

 # build unit tests
 json_unit:
 	@$(MAKE) json_unit -C test

 # run unit tests
 check:
 	$(MAKE) check -C test

 check-fast:
 	$(MAKE) check -C test TEST_PATTERN=""

 # clean up
 clean:
 	rm -fr json_unit json_benchmarks fuzz fuzz-testing *.dSYM test/*.dSYM
 	rm -fr benchmarks/files/numbers/*.json
 	rm -fr build_coverage build_benchmarks
 	$(MAKE) clean -Cdoc
 	$(MAKE) clean -Ctest


 ##########################################################################
 # coverage
 ##########################################################################

 coverage:
 	mkdir build_coverage
 	cd build_coverage ; CXX=g++-7 cmake .. -GNinja -DJSON_Coverage=ON -DJSON_MultipleHeaders=ON
 	cd build_coverage ; ninja
 	cd build_coverage ; ctest -E '.*_default' -j10
 	cd build_coverage ; ninja lcov_html
 	open build_coverage/test/html/index.html


 ##########################################################################
 # documentation tests
 ##########################################################################

 # compile example files and check output
 doctest:
 	$(MAKE) check_output -C doc


 ##########################################################################
 # warning detector
 ##########################################################################

 # calling Clang with all warnings, except:
 # -Wno-documentation-unknown-command: code uses user-defined commands like @complexity
 # -Wno-exit-time-destructors: warning in Catch code
 # -Wno-keyword-macro: unit-tests use "#define private public"
 # -Wno-deprecated-declarations: the library deprecated some functions
 # -Wno-weak-vtables: exception class is defined inline, but has virtual method
 # -Wno-range-loop-analysis: items tests "for(const auto i...)"
 # -Wno-float-equal: not all comparisons in the tests can be replaced by Approx
 # -Wno-switch-enum -Wno-covered-switch-default: pedantic/contradicting warnings about switches
 # -Wno-c++2a-compat: u8 literals will behave differently in C++20...
 # -Wno-padded: padding is nothing to warn about
 pedantic_clang:
 	$(MAKE) json_unit CXX=$(COMPILER_DIR)/clang++ CXXFLAGS=" \
 		-std=c++11 -Wno-c++98-compat -Wno-c++98-compat-pedantic \
 		-Werror \
 		-Weverything \
 		-Wno-documentation-unknown-command \
 		-Wno-exit-time-destructors \
 		-Wno-keyword-macro \
 		-Wno-deprecated-declarations \
 		-Wno-weak-vtables \
 		-Wno-range-loop-analysis \
 		-Wno-float-equal \
 		-Wno-switch-enum -Wno-covered-switch-default \
 		-Wno-c++2a-compat \
 		-Wno-c++17-extensions \
 		-Wno-padded"

 # calling GCC with most warnings
 pedantic_gcc:
 	$(MAKE) json_unit CXX=$(COMPILER_DIR)/g++ CXXFLAGS=" \
 		-std=c++11 \
 		-Waddress \
 		-Waddress-of-packed-member \
 		-Waggressive-loop-optimizations \
 		-Waligned-new=all \
 		-Wall \
 		-Walloc-zero \
 		-Walloca \
 		-Warray-bounds \
 		-Warray-bounds=2 \
 		-Wattribute-alias=2 \
 		-Wattribute-warning \
 		-Wattributes \
 		-Wbool-compare \
 		-Wbool-operation \
 		-Wbuiltin-declaration-mismatch \
 		-Wbuiltin-macro-redefined \
 		-Wcannot-profile \
 		-Wcast-align \
 		-Wcast-function-type \
 		-Wcast-qual \
 		-Wcatch-value=3 \
 		-Wchar-subscripts \
 		-Wclass-conversion \
 		-Wclass-memaccess \
 		-Wclobbered \
 		-Wcomment \
 		-Wcomments \
 		-Wconditionally-supported \
 		-Wconversion \
 		-Wconversion-null \
 		-Wcoverage-mismatch \
 		-Wcpp \
 		-Wctor-dtor-privacy \
 		-Wdangling-else \
 		-Wdate-time \
 		-Wdelete-incomplete \
 		-Wdelete-non-virtual-dtor \
 		-Wdeprecated \
 		-Wdeprecated-copy \
 		-Wdeprecated-copy-dtor \
 		-Wdeprecated-declarations \
 		-Wdisabled-optimization \
 		-Wdiv-by-zero \
 		-Wdouble-promotion \
 		-Wduplicated-branches \
 		-Wduplicated-cond \
 		-Weffc++ \
 		-Wempty-body \
 		-Wendif-labels \
 		-Wenum-compare \
 		-Wexpansion-to-defined \
 		-Werror \
 		-Wextra \
 		-Wextra-semi \
 		-Wfloat-conversion \
 		-Wfloat-equal \
 		-Wformat \
 		-Wformat-contains-nul \
 		-Wformat-extra-args \
 		-Wformat-nonliteral \
 		-Wformat-overflow=2 \
 		-Wformat-security \
 		-Wformat-signedness \
 		-Wformat-truncation=2 \
 		-Wformat-y2k \
 		-Wformat-zero-length \
 		-Wformat=2 \
 		-Wframe-address \
 		-Wfree-nonheap-object \
 		-Whsa \
 		-Wif-not-aligned \
 		-Wignored-attributes \
 		-Wignored-qualifiers \
 		-Wimplicit-fallthrough=5 \
 		-Winherited-variadic-ctor \
 		-Winit-list-lifetime \
 		-Winit-self \
 		-Winline \
 		-Wint-in-bool-context \
 		-Wint-to-pointer-cast \
 		-Winvalid-memory-model \
 		-Winvalid-offsetof \
 		-Winvalid-pch \
 		-Wliteral-suffix \
 		-Wlogical-not-parentheses \
 		-Wlogical-op \
 		-Wlto-type-mismatch \
 		-Wmain \
 		-Wmaybe-uninitialized \
 		-Wmemset-elt-size \
 		-Wmemset-transposed-args \
 		-Wmisleading-indentation \
 		-Wmissing-attributes \
 		-Wmissing-braces \
 		-Wmissing-declarations \
 		-Wmissing-field-initializers \
 		-Wmissing-format-attribute \
 		-Wmissing-include-dirs \
 		-Wmissing-noreturn \
 		-Wmissing-profile \
 		-Wmultichar \
 		-Wmultiple-inheritance \
 		-Wmultistatement-macros \
 		-Wnarrowing \
 		-Wno-deprecated-declarations \
 		-Wno-long-long \
 		-Wno-namespaces \
 		-Wno-padded \
 		-Wno-switch-enum \
 		-Wno-system-headers \
 		-Wno-templates \
 		-Wno-undef \
 		-Wnoexcept \
 		-Wnoexcept-type \
 		-Wnon-template-friend \
 		-Wnon-virtual-dtor \
 		-Wnonnull \
 		-Wnonnull-compare \
 		-Wnonportable-cfstrings \
 		-Wnormalized \
 		-Wnull-dereference \
 		-Wodr \
 		-Wold-style-cast \
 		-Wopenmp-simd \
 		-Woverflow \
 		-Woverlength-strings \
 		-Woverloaded-virtual \
 		-Wpacked \
 		-Wpacked-bitfield-compat \
 		-Wpacked-not-aligned \
 		-Wparentheses \
 		-Wpedantic \
 		-Wpessimizing-move \
 		-Wplacement-new=2 \
 		-Wpmf-conversions \
 		-Wpointer-arith \
 		-Wpointer-compare \
 		-Wpragmas \
 		-Wprio-ctor-dtor \
 		-Wpsabi \
 		-Wredundant-decls \
 		-Wredundant-move \
 		-Wregister \
 		-Wreorder \
 		-Wrestrict \
 		-Wreturn-local-addr \
 		-Wreturn-type \
 		-Wscalar-storage-order \
 		-Wsequence-point \
 		-Wshadow \
 		-Wshadow-compatible-local \
 		-Wshadow-local \
 		-Wshadow=compatible-local \
 		-Wshadow=global \
 		-Wshadow=local \
 		-Wshift-count-negative \
 		-Wshift-count-overflow \
 		-Wshift-negative-value \
 		-Wshift-overflow=2 \
 		-Wsign-compare \
 		-Wsign-conversion \
 		-Wsign-promo \
 		-Wsized-deallocation \
 		-Wsizeof-array-argument \
 		-Wsizeof-pointer-div \
 		-Wsizeof-pointer-memaccess \
 		-Wstack-protector \
 		-Wstrict-aliasing=3 \
 		-Wstrict-null-sentinel \
 		-Wstrict-overflow=5 \
 		-Wstringop-overflow=4 \
 		-Wstringop-truncation \
 		-Wsubobject-linkage \
 		-Wsuggest-attribute=cold \
 		-Wsuggest-attribute=const \
 		-Wsuggest-attribute=format \
 		-Wsuggest-attribute=malloc \
 		-Wsuggest-attribute=noreturn \
 		-Wsuggest-attribute=pure \
 		-Wsuggest-final-methods \
 		-Wsuggest-final-types \
 		-Wsuggest-override \
 		-Wswitch \
 		-Wswitch-bool \
 		-Wswitch-default \
 		-Wswitch-unreachable \
 		-Wsync-nand \
 		-Wsynth \
 		-Wtautological-compare \
 		-Wterminate \
 		-Wtrampolines \
 		-Wtrigraphs \
 		-Wtype-limits \
 		-Wuninitialized \
 		-Wunknown-pragmas \
 		-Wunreachable-code \
 		-Wunsafe-loop-optimizations \
 		-Wunused \
 		-Wunused-but-set-parameter \
 		-Wunused-but-set-variable \
 		-Wunused-const-variable=2 \
 		-Wunused-function \
 		-Wunused-label \
 		-Wunused-local-typedefs \
 		-Wunused-macros \
 		-Wunused-parameter \
 		-Wunused-result \
 		-Wunused-value \
 		-Wunused-variable \
 		-Wuseless-cast \
 		-Wvarargs \
 		-Wvariadic-macros \
 		-Wvector-operation-performance \
 		-Wvirtual-inheritance \
 		-Wvirtual-move-assign \
 		-Wvla \
 		-Wvolatile-register-var \
 		-Wwrite-strings \
 		-Wzero-as-null-pointer-constant \
 		"

 ##########################################################################
 # benchmarks
 ##########################################################################

 run_benchmarks:
 	mkdir build_benchmarks
 	cd build_benchmarks ; cmake ../benchmarks
 	cd build_benchmarks ; make
 	cd build_benchmarks ; ./json_benchmarks

 ##########################################################################
 # fuzzing
 ##########################################################################

 # the overall fuzz testing target
 fuzz_testing:
 	rm -fr fuzz-testing
 	mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
 	$(MAKE) parse_afl_fuzzer -C test CXX=afl-clang++
 	mv test/parse_afl_fuzzer fuzz-testing/fuzzer
 	find test/data/json_tests -size -5k -name *json | xargs -I{} cp "{}" fuzz-testing/testcases
 	@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"

 fuzz_testing_bson:
 	rm -fr fuzz-testing
 	mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
 	$(MAKE) parse_bson_fuzzer -C test CXX=afl-clang++
 	mv test/parse_bson_fuzzer fuzz-testing/fuzzer
 	find test/data -size -5k -name *.bson | xargs -I{} cp "{}" fuzz-testing/testcases
 	@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"

 fuzz_testing_cbor:
 	rm -fr fuzz-testing
 	mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
 	$(MAKE) parse_cbor_fuzzer -C test CXX=afl-clang++
 	mv test/parse_cbor_fuzzer fuzz-testing/fuzzer
 	find test/data -size -5k -name *.cbor | xargs -I{} cp "{}" fuzz-testing/testcases
 	@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"

 fuzz_testing_msgpack:
 	rm -fr fuzz-testing
 	mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
 	$(MAKE) parse_msgpack_fuzzer -C test CXX=afl-clang++
 	mv test/parse_msgpack_fuzzer fuzz-testing/fuzzer
 	find test/data -size -5k -name *.msgpack | xargs -I{} cp "{}" fuzz-testing/testcases
 	@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"

 fuzz_testing_ubjson:
 	rm -fr fuzz-testing
 	mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
 	$(MAKE) parse_ubjson_fuzzer -C test CXX=afl-clang++
 	mv test/parse_ubjson_fuzzer fuzz-testing/fuzzer
 	find test/data -size -5k -name *.ubjson | xargs -I{} cp "{}" fuzz-testing/testcases
 	@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"

 fuzzing-start:
 	afl-fuzz -S fuzzer1 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
 	afl-fuzz -S fuzzer2 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
 	afl-fuzz -S fuzzer3 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
 	afl-fuzz -S fuzzer4 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
 	afl-fuzz -S fuzzer5 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
 	afl-fuzz -S fuzzer6 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
 	afl-fuzz -S fuzzer7 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
 	afl-fuzz -M fuzzer0 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer

 fuzzing-stop:
 	-killall fuzzer
 	-killall afl-fuzz

 ##########################################################################
 # static analyzer
 ##########################################################################

 # call cppcheck on the main header file
 cppcheck:
 	cppcheck --enable=warning --inline-suppr --inconclusive --force --std=c++11 $(SRCS) --error-exitcode=1

 # compile and check with Clang Static Analyzer
 clang_analyze:
 	rm -fr clang_analyze_build
 	mkdir clang_analyze_build
 	cd clang_analyze_build ; CCC_CXX=$(COMPILER_DIR)/clang++ CXX=$(COMPILER_DIR)/clang++ $(COMPILER_DIR)/scan-build cmake .. -GNinja
 	cd clang_analyze_build ; $(COMPILER_DIR)/scan-build -enable-checker alpha.core.BoolAssignment,alpha.core.CallAndMessageUnInitRefArg,alpha.core.CastSize,alpha.core.CastToStruct,alpha.core.Conversion,alpha.core.DynamicTypeChecker,alpha.core.FixedAddr,alpha.core.PointerArithm,alpha.core.PointerSub,alpha.core.SizeofPtr,alpha.core.StackAddressAsyncEscape,alpha.core.TestAfterDivZero,alpha.deadcode.UnreachableCode,core.builtin.BuiltinFunctions,core.builtin.NoReturnFunctions,core.CallAndMessage,core.DivideZero,core.DynamicTypePropagation,core.NonnilStringConstants,core.NonNullParamChecker,core.NullDereference,core.StackAddressEscape,core.UndefinedBinaryOperatorResult,core.uninitialized.ArraySubscript,core.uninitialized.Assign,core.uninitialized.Branch,core.uninitialized.CapturedBlockVariable,core.uninitialized.UndefReturn,core.VLASize,cplusplus.InnerPointer,cplusplus.Move,cplusplus.NewDelete,cplusplus.NewDeleteLeaks,cplusplus.SelfAssignment,deadcode.DeadStores,nullability.NullableDereferenced,nullability.NullablePassedToNonnull,nullability.NullableReturnedFromNonnull,nullability.NullPassedToNonnull,nullability.NullReturnedFromNonnull --use-c++=$(COMPILER_DIR)/clang++ --view -analyze-headers -o clang_analyze_build/report.html ninja

 # call cpplint (some errors expected due to false positives)
 cpplint:
 	third_party/cpplint/cpplint.py --filter=-whitespace,-legal,-readability/alt_tokens,-runtime/references,-runtime/explicit --quiet --recursive include

 clang_tidy:
 	$(COMPILER_DIR)/clang-tidy $(SRCS) -- -Iinclude -std=c++11

 pvs_studio:
 	rm -fr pvs_studio_build
 	mkdir pvs_studio_build
 	cd pvs_studio_build ; cmake .. -DCMAKE_EXPORT_COMPILE_COMMANDS=On
 	cd pvs_studio_build ; pvs-studio-analyzer analyze -j 10
 	cd pvs_studio_build ; plog-converter -a'GA:1,2;64:1;CS' -t fullhtml PVS-Studio.log -o pvs
 	open pvs_studio_build/pvs/index.html

 infer:
 	rm -fr infer_build
 	mkdir infer_build
 	cd infer_build ; infer compile -- cmake .. ; infer run -- make -j 4

 oclint:
 	oclint $(SRCS) -report-type html -enable-global-analysis -o oclint_report.html -max-priority-1=10000 -max-priority-2=10000 -max-priority-3=10000 -- -std=c++11 -Iinclude
 	open oclint_report.html

 ##########################################################################
 # maintainer targets
 ##########################################################################

 # pretty printer
 pretty:
 	astyle --style=allman --indent=spaces=4 --indent-modifiers \
 	   --indent-switches --indent-preproc-block --indent-preproc-define \
 	   --indent-col1-comments --pad-oper --pad-header --align-pointer=type \
 	   --align-reference=type --add-brackets --convert-tabs --close-templates \
 	   --lineend=linux --preserve-date --suffix=none --formatted \
 	   $(SRCS) $(AMALGAMATED_FILE) test/src/*.cpp \
 	   benchmarks/src/benchmarks.cpp doc/examples/*.cpp

 # create single header file
 amalgamate: $(AMALGAMATED_FILE)

 $(AMALGAMATED_FILE): $(SRCS)
 	third_party/amalgamate/amalgamate.py -c third_party/amalgamate/config.json -s . --verbose=yes
 	$(MAKE) pretty

 # check if single_include/nlohmann/json.hpp has been amalgamated from the nlohmann sources
 check-amalgamation:
 	@mv $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~
 	@$(MAKE) amalgamate
 	@diff $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~ || (echo "===================================================================\n  Amalgamation required! Please read the contribution guidelines\n  in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE) ; false)
 	@mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE)

 # check if every header in nlohmann includes sufficient headers to be compiled
 # individually
 check-single-includes:
 	@for x in $(SRCS); do \
 	  echo "Checking self-sufficiency of $$x..." ; \
 	  echo "#include <$$x>\nint main() {}\n" | sed 's|include/||' > single_include_test.cpp; \
 	  $(CXX) $(CXXFLAGS) -Iinclude -std=c++11 single_include_test.cpp -o single_include_test; \
 	  rm -f single_include_test.cpp single_include_test; \
 	done

 ##########################################################################
 # changelog
 ##########################################################################

 NEXT_VERSION ?= "unreleased"

 ChangeLog.md:
 	github_changelog_generator -o ChangeLog.md --simple-list --release-url https://github.com/nlohmann/json/releases/tag/%s --future-release $(NEXT_VERSION)
 	gsed -i 's|https://github.com/nlohmann/json/releases/tag/HEAD|https://github.com/nlohmann/json/tree/HEAD|' ChangeLog.md
 	gsed -i '2i All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).' ChangeLog.md


 ##########################################################################
 # release
 ##########################################################################

 release:
 	mkdir release_files
 	zip -9 -r include.zip include/*
 	gpg --armor --detach-sig include.zip
 	mv include.zip include.zip.asc release_files
 	gpg --armor --detach-sig single_include/nlohmann/json.hpp
 	cp single_include/nlohmann/json.hpp release_files
 	mv single_include/nlohmann/json.hpp.asc release_files
 	cd release_files ; shasum -a 256 json.hpp > hashes.txt
 	cd release_files ; shasum -a 256 include.zip >> hashes.txt
	.PHONY: pretty clean ChangeLog.md

	SRCS = include/nlohmann/json.hpp \
	include/nlohmann/json_fwd.hpp \
	include/nlohmann/adl_serializer.hpp \
	include/nlohmann/detail/conversions/from_json.hpp \
	include/nlohmann/detail/conversions/to_chars.hpp \
	include/nlohmann/detail/conversions/to_json.hpp \
	include/nlohmann/detail/exceptions.hpp \
	include/nlohmann/detail/input/binary_reader.hpp \
	include/nlohmann/detail/input/input_adapters.hpp \
	include/nlohmann/detail/input/json_sax.hpp \
	include/nlohmann/detail/input/lexer.hpp \
	include/nlohmann/detail/input/parser.hpp \
	include/nlohmann/detail/input/position_t.hpp \
	include/nlohmann/detail/iterators/internal_iterator.hpp \
	include/nlohmann/detail/iterators/iter_impl.hpp \
	include/nlohmann/detail/iterators/iteration_proxy.hpp \
	include/nlohmann/detail/iterators/json_reverse_iterator.hpp \
	include/nlohmann/detail/iterators/primitive_iterator.hpp \
	include/nlohmann/detail/json_pointer.hpp \
	include/nlohmann/detail/json_ref.hpp \
	include/nlohmann/detail/macro_scope.hpp \
	include/nlohmann/detail/macro_unscope.hpp \
	include/nlohmann/detail/meta/cpp_future.hpp \
	include/nlohmann/detail/meta/detected.hpp \
	include/nlohmann/detail/meta/type_traits.hpp \
	include/nlohmann/detail/meta/void_t.hpp \
	include/nlohmann/detail/output/binary_writer.hpp \
	include/nlohmann/detail/output/output_adapters.hpp \
	include/nlohmann/detail/output/serializer.hpp \
	include/nlohmann/detail/value_t.hpp

	UNAME = $(shell uname)
	CXX=clang++

	AMALGAMATED_FILE=single_include/nlohmann/json.hpp

	# directory to recent compiler binaries
	COMPILER_DIR=/Users/niels/Documents/projects/compilers/local/bin

	# main target
	all:
	@echo "amalgamate - amalgamate file single_include/nlohmann/json.hpp from the include/nlohmann sources"
	@echo "ChangeLog.md - generate ChangeLog file"
	@echo "check - compile and execute test suite"
	@echo "check-amalgamation - check whether sources have been amalgamated"
	@echo "check-fast - compile and execute test suite (skip long-running tests)"
	@echo "clean - remove built files"
	@echo "coverage - create coverage information with lcov"
	@echo "cppcheck - analyze code with cppcheck"
	@echo "cpplint - analyze code with cpplint"
	@echo "clang_tidy - analyze code with Clang-Tidy"
	@echo "clang_analyze - analyze code with Clang-Analyzer"
	@echo "doctest - compile example files and check their output"
	@echo "fuzz_testing - prepare fuzz testing of the JSON parser"
	@echo "fuzz_testing_bson - prepare fuzz testing of the BSON parser"
	@echo "fuzz_testing_cbor - prepare fuzz testing of the CBOR parser"
	@echo "fuzz_testing_msgpack - prepare fuzz testing of the MessagePack parser"
	@echo "fuzz_testing_ubjson - prepare fuzz testing of the UBJSON parser"
	@echo "json_unit - create single-file test executable"
	@echo "pedantic_clang - run Clang with maximal warning flags"
	@echo "pedantic_gcc - run GCC with maximal warning flags"
	@echo "pretty - beautify code with Artistic Style"
	@echo "run_benchmarks - build and run benchmarks"

	##########################################################################
	# unit tests
	##########################################################################

	# build unit tests
	json_unit:
	@$(MAKE) json_unit -C test

	# run unit tests
	check:
	$(MAKE) check -C test

	check-fast:
	$(MAKE) check -C test TEST_PATTERN=""

	# clean up
	clean:
	rm -fr json_unit json_benchmarks fuzz fuzz-testing .dSYM test/.dSYM
	rm -fr benchmarks/files/numbers/*.json
	rm -fr build_coverage build_benchmarks
	$(MAKE) clean -Cdoc
	$(MAKE) clean -Ctest


	##########################################################################
	# coverage
	##########################################################################

	coverage:
	mkdir build_coverage
	cd build_coverage ; CXX=g++-7 cmake .. -GNinja -DJSON_Coverage=ON -DJSON_MultipleHeaders=ON
	cd build_coverage ; ninja
	cd build_coverage ; ctest -E '.*_default' -j10
	cd build_coverage ; ninja lcov_html
	open build_coverage/test/html/index.html


	##########################################################################
	# documentation tests
	##########################################################################

	# compile example files and check output
	doctest:
	$(MAKE) check_output -C doc


	##########################################################################
	# warning detector
	##########################################################################

	# calling Clang with all warnings, except:
	# -Wno-documentation-unknown-command: code uses user-defined commands like @complexity
	# -Wno-exit-time-destructors: warning in Catch code
	# -Wno-keyword-macro: unit-tests use "#define private public"
	# -Wno-deprecated-declarations: the library deprecated some functions
	# -Wno-weak-vtables: exception class is defined inline, but has virtual method
	# -Wno-range-loop-analysis: items tests "for(const auto i...)"
	# -Wno-float-equal: not all comparisons in the tests can be replaced by Approx
	# -Wno-switch-enum -Wno-covered-switch-default: pedantic/contradicting warnings about switches
	# -Wno-c++2a-compat: u8 literals will behave differently in C++20...
	# -Wno-padded: padding is nothing to warn about
	pedantic_clang:
	$(MAKE) json_unit CXX=$(COMPILER_DIR)/clang++ CXXFLAGS=" \
	-std=c++11 -Wno-c++98-compat -Wno-c++98-compat-pedantic \
	-Werror \
	-Weverything \
	-Wno-documentation-unknown-command \
	-Wno-exit-time-destructors \
	-Wno-keyword-macro \
	-Wno-deprecated-declarations \
	-Wno-weak-vtables \
	-Wno-range-loop-analysis \
	-Wno-float-equal \
	-Wno-switch-enum -Wno-covered-switch-default \
	-Wno-c++2a-compat \
	-Wno-c++17-extensions \
	-Wno-padded"

	# calling GCC with most warnings
	pedantic_gcc:
	$(MAKE) json_unit CXX=$(COMPILER_DIR)/g++ CXXFLAGS=" \
	-std=c++11 \
	-Waddress \
	-Waddress-of-packed-member \
	-Waggressive-loop-optimizations \
	-Waligned-new=all \
	-Wall \
	-Walloc-zero \
	-Walloca \
	-Warray-bounds \
	-Warray-bounds=2 \
	-Wattribute-alias=2 \
	-Wattribute-warning \
	-Wattributes \
	-Wbool-compare \
	-Wbool-operation \
	-Wbuiltin-declaration-mismatch \
	-Wbuiltin-macro-redefined \
	-Wcannot-profile \
	-Wcast-align \
	-Wcast-function-type \
	-Wcast-qual \
	-Wcatch-value=3 \
	-Wchar-subscripts \
	-Wclass-conversion \
	-Wclass-memaccess \
	-Wclobbered \
	-Wcomment \
	-Wcomments \
	-Wconditionally-supported \
	-Wconversion \
	-Wconversion-null \
	-Wcoverage-mismatch \
	-Wcpp \
	-Wctor-dtor-privacy \
	-Wdangling-else \
	-Wdate-time \
	-Wdelete-incomplete \
	-Wdelete-non-virtual-dtor \
	-Wdeprecated \
	-Wdeprecated-copy \
	-Wdeprecated-copy-dtor \
	-Wdeprecated-declarations \
	-Wdisabled-optimization \
	-Wdiv-by-zero \
	-Wdouble-promotion \
	-Wduplicated-branches \
	-Wduplicated-cond \
	-Weffc++ \
	-Wempty-body \
	-Wendif-labels \
	-Wenum-compare \
	-Wexpansion-to-defined \
	-Werror \
	-Wextra \
	-Wextra-semi \
	-Wfloat-conversion \
	-Wfloat-equal \
	-Wformat \
	-Wformat-contains-nul \
	-Wformat-extra-args \
	-Wformat-nonliteral \
	-Wformat-overflow=2 \
	-Wformat-security \
	-Wformat-signedness \
	-Wformat-truncation=2 \
	-Wformat-y2k \
	-Wformat-zero-length \
	-Wformat=2 \
	-Wframe-address \
	-Wfree-nonheap-object \
	-Whsa \
	-Wif-not-aligned \
	-Wignored-attributes \
	-Wignored-qualifiers \
	-Wimplicit-fallthrough=5 \
	-Winherited-variadic-ctor \
	-Winit-list-lifetime \
	-Winit-self \
	-Winline \
	-Wint-in-bool-context \
	-Wint-to-pointer-cast \
	-Winvalid-memory-model \
	-Winvalid-offsetof \
	-Winvalid-pch \
	-Wliteral-suffix \
	-Wlogical-not-parentheses \
	-Wlogical-op \
	-Wlto-type-mismatch \
	-Wmain \
	-Wmaybe-uninitialized \
	-Wmemset-elt-size \
	-Wmemset-transposed-args \
	-Wmisleading-indentation \
	-Wmissing-attributes \
	-Wmissing-braces \
	-Wmissing-declarations \
	-Wmissing-field-initializers \
	-Wmissing-format-attribute \
	-Wmissing-include-dirs \
	-Wmissing-noreturn \
	-Wmissing-profile \
	-Wmultichar \
	-Wmultiple-inheritance \
	-Wmultistatement-macros \
	-Wnarrowing \
	-Wno-deprecated-declarations \
	-Wno-long-long \
	-Wno-namespaces \
	-Wno-padded \
	-Wno-switch-enum \
	-Wno-system-headers \
	-Wno-templates \
	-Wno-undef \
	-Wnoexcept \
	-Wnoexcept-type \
	-Wnon-template-friend \
	-Wnon-virtual-dtor \
	-Wnonnull \
	-Wnonnull-compare \
	-Wnonportable-cfstrings \
	-Wnormalized \
	-Wnull-dereference \
	-Wodr \
	-Wold-style-cast \
	-Wopenmp-simd \
	-Woverflow \
	-Woverlength-strings \
	-Woverloaded-virtual \
	-Wpacked \
	-Wpacked-bitfield-compat \
	-Wpacked-not-aligned \
	-Wparentheses \
	-Wpedantic \
	-Wpessimizing-move \
	-Wplacement-new=2 \
	-Wpmf-conversions \
	-Wpointer-arith \
	-Wpointer-compare \
	-Wpragmas \
	-Wprio-ctor-dtor \
	-Wpsabi \
	-Wredundant-decls \
	-Wredundant-move \
	-Wregister \
	-Wreorder \
	-Wrestrict \
	-Wreturn-local-addr \
	-Wreturn-type \
	-Wscalar-storage-order \
	-Wsequence-point \
	-Wshadow \
	-Wshadow-compatible-local \
	-Wshadow-local \
	-Wshadow=compatible-local \
	-Wshadow=global \
	-Wshadow=local \
	-Wshift-count-negative \
	-Wshift-count-overflow \
	-Wshift-negative-value \
	-Wshift-overflow=2 \
	-Wsign-compare \
	-Wsign-conversion \
	-Wsign-promo \
	-Wsized-deallocation \
	-Wsizeof-array-argument \
	-Wsizeof-pointer-div \
	-Wsizeof-pointer-memaccess \
	-Wstack-protector \
	-Wstrict-aliasing=3 \
	-Wstrict-null-sentinel \
	-Wstrict-overflow=5 \
	-Wstringop-overflow=4 \
	-Wstringop-truncation \
	-Wsubobject-linkage \
	-Wsuggest-attribute=cold \
	-Wsuggest-attribute=const \
	-Wsuggest-attribute=format \
	-Wsuggest-attribute=malloc \
	-Wsuggest-attribute=noreturn \
	-Wsuggest-attribute=pure \
	-Wsuggest-final-methods \
	-Wsuggest-final-types \
	-Wsuggest-override \
	-Wswitch \
	-Wswitch-bool \
	-Wswitch-default \
	-Wswitch-unreachable \
	-Wsync-nand \
	-Wsynth \
	-Wtautological-compare \
	-Wterminate \
	-Wtrampolines \
	-Wtrigraphs \
	-Wtype-limits \
	-Wuninitialized \
	-Wunknown-pragmas \
	-Wunreachable-code \
	-Wunsafe-loop-optimizations \
	-Wunused \
	-Wunused-but-set-parameter \
	-Wunused-but-set-variable \
	-Wunused-const-variable=2 \
	-Wunused-function \
	-Wunused-label \
	-Wunused-local-typedefs \
	-Wunused-macros \
	-Wunused-parameter \
	-Wunused-result \
	-Wunused-value \
	-Wunused-variable \
	-Wuseless-cast \
	-Wvarargs \
	-Wvariadic-macros \
	-Wvector-operation-performance \
	-Wvirtual-inheritance \
	-Wvirtual-move-assign \
	-Wvla \
	-Wvolatile-register-var \
	-Wwrite-strings \
	-Wzero-as-null-pointer-constant \
	"

	##########################################################################
	# benchmarks
	##########################################################################

	run_benchmarks:
	mkdir build_benchmarks
	cd build_benchmarks ; cmake ../benchmarks
	cd build_benchmarks ; make
	cd build_benchmarks ; ./json_benchmarks

	##########################################################################
	# fuzzing
	##########################################################################

	# the overall fuzz testing target
	fuzz_testing:
	rm -fr fuzz-testing
	mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
	$(MAKE) parse_afl_fuzzer -C test CXX=afl-clang++
	mv test/parse_afl_fuzzer fuzz-testing/fuzzer
	find test/data/json_tests -size -5k -name *json \| xargs -I{} cp "{}" fuzz-testing/testcases
	@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"

	fuzz_testing_bson:
	rm -fr fuzz-testing
	mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
	$(MAKE) parse_bson_fuzzer -C test CXX=afl-clang++
	mv test/parse_bson_fuzzer fuzz-testing/fuzzer
	find test/data -size -5k -name *.bson \| xargs -I{} cp "{}" fuzz-testing/testcases
	@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"

	fuzz_testing_cbor:
	rm -fr fuzz-testing
	mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
	$(MAKE) parse_cbor_fuzzer -C test CXX=afl-clang++
	mv test/parse_cbor_fuzzer fuzz-testing/fuzzer
	find test/data -size -5k -name *.cbor \| xargs -I{} cp "{}" fuzz-testing/testcases
	@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"

	fuzz_testing_msgpack:
	rm -fr fuzz-testing
	mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
	$(MAKE) parse_msgpack_fuzzer -C test CXX=afl-clang++
	mv test/parse_msgpack_fuzzer fuzz-testing/fuzzer
	find test/data -size -5k -name *.msgpack \| xargs -I{} cp "{}" fuzz-testing/testcases
	@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"

	fuzz_testing_ubjson:
	rm -fr fuzz-testing
	mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
	$(MAKE) parse_ubjson_fuzzer -C test CXX=afl-clang++
	mv test/parse_ubjson_fuzzer fuzz-testing/fuzzer
	find test/data -size -5k -name *.ubjson \| xargs -I{} cp "{}" fuzz-testing/testcases
	@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"

	fuzzing-start:
	afl-fuzz -S fuzzer1 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
	afl-fuzz -S fuzzer2 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
	afl-fuzz -S fuzzer3 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
	afl-fuzz -S fuzzer4 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
	afl-fuzz -S fuzzer5 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
	afl-fuzz -S fuzzer6 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
	afl-fuzz -S fuzzer7 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
	afl-fuzz -M fuzzer0 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer

	fuzzing-stop:
	-killall fuzzer
	-killall afl-fuzz

	##########################################################################
	# static analyzer
	##########################################################################

	# call cppcheck on the main header file
	cppcheck:
	cppcheck --enable=warning --inline-suppr --inconclusive --force --std=c++11 $(SRCS) --error-exitcode=1

	# compile and check with Clang Static Analyzer
	clang_analyze:
	rm -fr clang_analyze_build
	mkdir clang_analyze_build
	cd clang_analyze_build ; CCC_CXX=$(COMPILER_DIR)/clang++ CXX=$(COMPILER_DIR)/clang++ $(COMPILER_DIR)/scan-build cmake .. -GNinja
	cd clang_analyze_build ; $(COMPILER_DIR)/scan-build -enable-checker alpha.core.BoolAssignment,alpha.core.CallAndMessageUnInitRefArg,alpha.core.CastSize,alpha.core.CastToStruct,alpha.core.Conversion,alpha.core.DynamicTypeChecker,alpha.core.FixedAddr,alpha.core.PointerArithm,alpha.core.PointerSub,alpha.core.SizeofPtr,alpha.core.StackAddressAsyncEscape,alpha.core.TestAfterDivZero,alpha.deadcode.UnreachableCode,core.builtin.BuiltinFunctions,core.builtin.NoReturnFunctions,core.CallAndMessage,core.DivideZero,core.DynamicTypePropagation,core.NonnilStringConstants,core.NonNullParamChecker,core.NullDereference,core.StackAddressEscape,core.UndefinedBinaryOperatorResult,core.uninitialized.ArraySubscript,core.uninitialized.Assign,core.uninitialized.Branch,core.uninitialized.CapturedBlockVariable,core.uninitialized.UndefReturn,core.VLASize,cplusplus.InnerPointer,cplusplus.Move,cplusplus.NewDelete,cplusplus.NewDeleteLeaks,cplusplus.SelfAssignment,deadcode.DeadStores,nullability.NullableDereferenced,nullability.NullablePassedToNonnull,nullability.NullableReturnedFromNonnull,nullability.NullPassedToNonnull,nullability.NullReturnedFromNonnull --use-c++=$(COMPILER_DIR)/clang++ --view -analyze-headers -o clang_analyze_build/report.html ninja

	# call cpplint (some errors expected due to false positives)
	cpplint:
	third_party/cpplint/cpplint.py --filter=-whitespace,-legal,-readability/alt_tokens,-runtime/references,-runtime/explicit --quiet --recursive include

	clang_tidy:
	$(COMPILER_DIR)/clang-tidy $(SRCS) -- -Iinclude -std=c++11

	pvs_studio:
	rm -fr pvs_studio_build
	mkdir pvs_studio_build
	cd pvs_studio_build ; cmake .. -DCMAKE_EXPORT_COMPILE_COMMANDS=On
	cd pvs_studio_build ; pvs-studio-analyzer analyze -j 10
	cd pvs_studio_build ; plog-converter -a'GA:1,2;64:1;CS' -t fullhtml PVS-Studio.log -o pvs
	open pvs_studio_build/pvs/index.html

	infer:
	rm -fr infer_build
	mkdir infer_build
	cd infer_build ; infer compile -- cmake .. ; infer run -- make -j 4

	oclint:
	oclint $(SRCS) -report-type html -enable-global-analysis -o oclint_report.html -max-priority-1=10000 -max-priority-2=10000 -max-priority-3=10000 -- -std=c++11 -Iinclude
	open oclint_report.html

	##########################################################################
	# maintainer targets
	##########################################################################

	# pretty printer
	pretty:
	astyle --style=allman --indent=spaces=4 --indent-modifiers \
	--indent-switches --indent-preproc-block --indent-preproc-define \
	--indent-col1-comments --pad-oper --pad-header --align-pointer=type \
	--align-reference=type --add-brackets --convert-tabs --close-templates \
	--lineend=linux --preserve-date --suffix=none --formatted \
	$(SRCS) $(AMALGAMATED_FILE) test/src/*.cpp \
	benchmarks/src/benchmarks.cpp doc/examples/*.cpp

	# create single header file
	amalgamate: $(AMALGAMATED_FILE)

	$(AMALGAMATED_FILE): $(SRCS)
	third_party/amalgamate/amalgamate.py -c third_party/amalgamate/config.json -s . --verbose=yes
	$(MAKE) pretty

	# check if single_include/nlohmann/json.hpp has been amalgamated from the nlohmann sources
	check-amalgamation:
	@mv $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~
	@$(MAKE) amalgamate
	@diff $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~ \|\| (echo "===================================================================\n Amalgamation required! Please read the contribution guidelines\n in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE) ; false)
	@mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE)

	# check if every header in nlohmann includes sufficient headers to be compiled
	# individually
	check-single-includes:
	@for x in $(SRCS); do \
	echo "Checking self-sufficiency of $$x..." ; \
	echo "#include <$$x>\nint main() {}\n" \| sed 's\|include/\|\|' > single_include_test.cpp; \
	$(CXX) $(CXXFLAGS) -Iinclude -std=c++11 single_include_test.cpp -o single_include_test; \
	rm -f single_include_test.cpp single_include_test; \
	done

	##########################################################################
	# changelog
	##########################################################################

	NEXT_VERSION ?= "unreleased"

	ChangeLog.md:
	github_changelog_generator -o ChangeLog.md --simple-list --release-url https://github.com/nlohmann/json/releases/tag/%s --future-release $(NEXT_VERSION)
	gsed -i 's\|https://github.com/nlohmann/json/releases/tag/HEAD\|https://github.com/nlohmann/json/tree/HEAD\|' ChangeLog.md
	gsed -i '2i All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).' ChangeLog.md


	##########################################################################
	# release
	##########################################################################

	release:
	mkdir release_files
	zip -9 -r include.zip include/*
	gpg --armor --detach-sig include.zip
	mv include.zip include.zip.asc release_files
	gpg --armor --detach-sig single_include/nlohmann/json.hpp
	cp single_include/nlohmann/json.hpp release_files
	mv single_include/nlohmann/json.hpp.asc release_files
	cd release_files ; shasum -a 256 json.hpp > hashes.txt
	cd release_files ; shasum -a 256 include.zip >> hashes.txt