984 lines
24 KiB
Python
Executable File
984 lines
24 KiB
Python
Executable File
#!/usr/bin/env python
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import os
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import tempfile
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def get_libcxx_paths():
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utils_path = os.path.dirname(os.path.abspath(__file__))
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script_name = os.path.basename(__file__)
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assert os.path.exists(utils_path)
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src_root = os.path.dirname(utils_path)
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include_path = os.path.join(src_root, 'include')
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assert os.path.exists(include_path)
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docs_path = os.path.join(src_root, 'docs')
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assert os.path.exists(docs_path)
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macro_test_path = os.path.join(src_root, 'test', 'std', 'language.support',
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'support.limits', 'support.limits.general')
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assert os.path.exists(macro_test_path)
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assert os.path.exists(os.path.join(macro_test_path, 'version.version.pass.cpp'))
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return script_name, src_root, include_path, docs_path, macro_test_path
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script_name, source_root, include_path, docs_path, macro_test_path = get_libcxx_paths()
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def has_header(h):
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h_path = os.path.join(include_path, h)
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return os.path.exists(h_path)
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def add_version_header(tc):
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tc["headers"].append("version")
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return tc
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feature_test_macros = sorted([ add_version_header(x) for x in [
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# C++14 macros
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{"name": "__cpp_lib_integer_sequence",
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"values": {
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"c++14": 201304L
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},
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"headers": ["utility"],
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},
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{"name": "__cpp_lib_exchange_function",
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"values": {
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"c++14": 201304L
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},
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"headers": ["utility"],
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},
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{"name": "__cpp_lib_tuples_by_type",
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"values": {
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"c++14": 201304L
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},
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"headers": ["utility", "tuple"],
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},
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{"name": "__cpp_lib_tuple_element_t",
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"values": {
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"c++14": 201402L
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},
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"headers": ["tuple"],
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},
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{"name": "__cpp_lib_make_unique",
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"values": {
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"c++14": 201304L
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},
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"headers": ["memory"],
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},
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{"name": "__cpp_lib_transparent_operators",
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"values": {
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"c++14": 201210L,
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"c++17": 201510L,
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},
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"headers": ["functional"],
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},
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{"name": "__cpp_lib_integral_constant_callable",
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"values": {
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"c++14": 201304L
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},
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"headers": ["type_traits"],
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},
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{"name": "__cpp_lib_transformation_trait_aliases",
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"values": {
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"c++14": 201304L,
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},
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"headers": ["type_traits"]
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},
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{"name": "__cpp_lib_result_of_sfinae",
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"values": {
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"c++14": 201210L,
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},
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"headers": ["functional", "type_traits"]
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},
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{"name": "__cpp_lib_is_final",
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"values": {
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"c++14": 201402L,
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},
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"headers": ["type_traits"]
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},
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{"name": "__cpp_lib_is_null_pointer",
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"values": {
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"c++14": 201309L,
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},
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"headers": ["type_traits"]
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},
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{"name": "__cpp_lib_chrono_udls",
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"values": {
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"c++14": 201304L,
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},
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"headers": ["chrono"]
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},
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{"name": "__cpp_lib_string_udls",
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"values": {
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"c++14": 201304L,
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},
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"headers": ["string"]
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},
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{"name": "__cpp_lib_generic_associative_lookup",
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"values": {
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"c++14": 201304L,
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},
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"headers": ["map", "set"]
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},
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{"name": "__cpp_lib_null_iterators",
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"values": {
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"c++14": 201304L,
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},
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"headers": ["iterator"]
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},
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{"name": "__cpp_lib_make_reverse_iterator",
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"values": {
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"c++14": 201402L,
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},
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"headers": ["iterator"]
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},
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{"name": "__cpp_lib_robust_nonmodifying_seq_ops",
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"values": {
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"c++14": 201304L,
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},
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"headers": ["algorithm"]
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},
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{"name": "__cpp_lib_complex_udls",
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"values": {
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"c++14": 201309L,
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},
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"headers": ["complex"]
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},
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{"name": "__cpp_lib_quoted_string_io",
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"values": {
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"c++14": 201304L,
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},
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"headers": ["iomanip"]
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},
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{"name": "__cpp_lib_shared_timed_mutex",
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"values": {
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"c++14": 201402L,
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},
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"headers": ["shared_mutex"],
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"depends": "!defined(_LIBCPP_HAS_NO_THREADS)",
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"internal_depends": "!defined(_LIBCPP_HAS_NO_THREADS)",
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},
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# C++17 macros
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{"name": "__cpp_lib_atomic_is_always_lock_free",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["atomic"],
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"depends": "!defined(_LIBCPP_HAS_NO_THREADS)",
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"internal_depends": "!defined(_LIBCPP_HAS_NO_THREADS)",
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},
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{"name": "__cpp_lib_filesystem",
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"values": {
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"c++17": 201703L,
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},
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"headers": ["filesystem"]
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},
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{"name": "__cpp_lib_invoke",
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"values": {
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"c++17": 201411L,
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},
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"headers": ["functional"]
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},
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{"name": "__cpp_lib_void_t",
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"values": {
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"c++17": 201411L,
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},
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"headers": ["type_traits"]
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},
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{"name": "__cpp_lib_node_extract",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["map", "set", "unordered_map", "unordered_set"]
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},
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{"name": "__cpp_lib_byte",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["cstddef"],
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},
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{"name": "__cpp_lib_hardware_interference_size",
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"values": {
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"c++17": 201703L,
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},
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"headers": ["new"],
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},
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{"name": "__cpp_lib_launder",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["new"],
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},
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{"name": "__cpp_lib_uncaught_exceptions",
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"values": {
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"c++17": 201411L,
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},
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"headers": ["exception"],
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},
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{"name": "__cpp_lib_as_const",
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"values": {
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"c++17": 201510L,
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},
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"headers": ["utility"],
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},
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{"name": "__cpp_lib_make_from_tuple",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["tuple"],
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},
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{"name": "__cpp_lib_apply",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["tuple"],
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},
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{"name": "__cpp_lib_optional",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["optional"],
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},
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{"name": "__cpp_lib_variant",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["variant"],
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},
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{"name": "__cpp_lib_any",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["any"],
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},
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{"name": "__cpp_lib_addressof_constexpr",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["memory"],
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"depends": "TEST_HAS_BUILTIN(__builtin_addressof) || TEST_GCC_VER >= 700",
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"internal_depends": "!defined(_LIBCPP_HAS_NO_BUILTIN_ADDRESSOF)",
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},
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{"name": "__cpp_lib_raw_memory_algorithms",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["memory"],
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},
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{"name": "__cpp_lib_enable_shared_from_this",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["memory"],
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},
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{"name": "__cpp_lib_shared_ptr_weak_type",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["memory"],
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},
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{"name": "__cpp_lib_shared_ptr_arrays",
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"values": {
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"c++17": 201611L,
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},
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"headers": ["memory"],
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"unimplemented": True,
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},
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{"name": "__cpp_lib_memory_resource",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["memory_resource"],
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"unimplemented": True,
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},
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{"name": "__cpp_lib_boyer_moore_searcher",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["functional"],
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"unimplemented": True,
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},
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{"name": "__cpp_lib_not_fn",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["functional"],
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},
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{"name": "__cpp_lib_bool_constant",
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"values": {
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"c++17": 201505L,
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},
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"headers": ["type_traits"],
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},
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{"name": "__cpp_lib_type_trait_variable_templates",
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"values": {
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"c++17": 201510L,
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},
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"headers": ["type_traits"],
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},
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{"name": "__cpp_lib_logical_traits",
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"values": {
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"c++17": 201510L,
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},
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"headers": ["type_traits"],
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},
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{"name": "__cpp_lib_is_swappable",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["type_traits"],
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},
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{"name": "__cpp_lib_is_invocable",
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"values": {
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"c++17": 201703L,
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},
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"headers": ["type_traits"],
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},
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{"name": "__cpp_lib_has_unique_object_representations",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["type_traits"],
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"depends": "TEST_HAS_BUILTIN_IDENTIFIER(__has_unique_object_representations) || TEST_GCC_VER >= 700",
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"internal_depends": "defined(_LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS)",
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},
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{"name": "__cpp_lib_is_aggregate",
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"values": {
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"c++17": 201703L,
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},
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"headers": ["type_traits"],
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"depends": "TEST_HAS_BUILTIN_IDENTIFIER(__is_aggregate) || TEST_GCC_VER_NEW >= 7001",
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"internal_depends": "!defined(_LIBCPP_HAS_NO_IS_AGGREGATE)",
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},
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{"name": "__cpp_lib_chrono",
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"values": {
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"c++17": 201611L,
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},
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"headers": ["chrono"],
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},
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{"name": "__cpp_lib_execution",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["execution"],
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"unimplemented": True
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},
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{"name": "__cpp_lib_parallel_algorithm",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["algorithm", "numeric"],
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"unimplemented": True,
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},
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{"name": "__cpp_lib_to_chars",
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"values": {
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"c++17": 201611L,
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},
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"headers": ["utility"],
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"unimplemented": True,
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},
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{"name": "__cpp_lib_string_view",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["string", "string_view"],
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},
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{"name": "__cpp_lib_allocator_traits_is_always_equal",
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"values": {
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"c++17": 201411L,
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},
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"headers": ["memory", "scoped_allocator", "string", "deque", "forward_list", "list", "vector", "map", "set", "unordered_map", "unordered_set"],
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},
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{"name": "__cpp_lib_incomplete_container_elements",
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"values": {
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"c++17": 201505L,
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},
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"headers": ["forward_list", "list", "vector"],
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},
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{"name": "__cpp_lib_map_try_emplace",
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"values": {
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"c++17": 201411L,
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},
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"headers": ["map"],
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},
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{"name": "__cpp_lib_unordered_map_try_emplace",
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"values": {
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"c++17": 201411L,
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},
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"headers": ["unordered_map"],
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},
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{"name": "__cpp_lib_array_constexpr",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["iterator", "array"],
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},
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{"name": "__cpp_lib_nonmember_container_access",
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"values": {
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"c++17": 201411L,
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},
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"headers": ["iterator", "array", "deque", "forward_list", "list", "map", "regex",
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"set", "string", "unordered_map", "unordered_set", "vector"],
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},
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{"name": "__cpp_lib_sample",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["algorithm"],
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},
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{"name": "__cpp_lib_clamp",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["algorithm"],
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},
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{"name": "__cpp_lib_gcd_lcm",
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"values": {
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"c++17": 201606L,
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},
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"headers": ["numeric"],
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},
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{"name": "__cpp_lib_hypot",
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"values": {
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"c++17": 201603L,
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},
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"headers": ["cmath"],
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},
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{"name": "__cpp_lib_math_special_functions",
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"values": {
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"c++17": 201603L,
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},
|
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"headers": ["cmath"],
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"unimplemented": True,
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},
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{"name": "__cpp_lib_shared_mutex",
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"values": {
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"c++17": 201505L,
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},
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"headers": ["shared_mutex"],
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"depends": "!defined(_LIBCPP_HAS_NO_THREADS)",
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"internal_depends": "!defined(_LIBCPP_HAS_NO_THREADS)",
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},
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{"name": "__cpp_lib_scoped_lock",
|
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"values": {
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"c++17": 201703L,
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},
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"headers": ["mutex"],
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},
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# C++2a
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{"name": "__cpp_lib_char8_t",
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"values": {
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"c++2a": 201811L,
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},
|
|
"headers": ["atomic", "filesystem", "istream", "limits", "locale", "ostream",
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"string", "string_view"],
|
|
"depends": "defined(__cpp_char8_t)",
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"internal_depends": "!defined(_LIBCPP_NO_HAS_CHAR8_T)",
|
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},
|
|
{"name": "__cpp_lib_erase_if",
|
|
"values": {
|
|
"c++2a": 201811L,
|
|
},
|
|
"headers": ["string", "deque", "forward_list", "list", "vector", "map",
|
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"set", "unordered_map", "unordered_set"]
|
|
},
|
|
{"name": "__cpp_lib_destroying_delete",
|
|
"values": {
|
|
"c++2a": 201806L,
|
|
},
|
|
"headers": ["new"],
|
|
"unimplemented": True,
|
|
},
|
|
{"name": "__cpp_lib_three_way_comparison",
|
|
"values": {
|
|
"c++2a": 201711L,
|
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},
|
|
"headers": ["compare"],
|
|
"unimplemented": True,
|
|
},
|
|
{"name": "__cpp_lib_concepts",
|
|
"values": {
|
|
"c++2a": 201806L,
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},
|
|
"headers": ["concepts"],
|
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"unimplemented": True,
|
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},
|
|
{"name": "__cpp_lib_constexpr_swap_algorithms",
|
|
"values": {
|
|
"c++2a": 201806L,
|
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},
|
|
"headers": ["algorithm"],
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"unimplemented": True,
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},
|
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{"name": "__cpp_lib_constexpr_misc",
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"values": {
|
|
"c++2a": 201811L,
|
|
},
|
|
"headers": ["array", "functional", "iterator", "string_view", "tuple", "utility"],
|
|
"unimplemented": True,
|
|
},
|
|
{"name": "__cpp_lib_bind_front",
|
|
"values": {
|
|
"c++2a": 201811L,
|
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},
|
|
"headers": ["functional"],
|
|
"unimplemented": True,
|
|
},
|
|
{"name": "__cpp_lib_is_constant_evaluated",
|
|
"values": {
|
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"c++2a": 201811L,
|
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},
|
|
"headers": ["type_traits"],
|
|
"depends": "TEST_HAS_BUILTIN(__builtin_is_constant_evaluated) || TEST_GCC_VER >= 900",
|
|
"internal_depends": "!defined(_LIBCPP_HAS_NO_BUILTIN_IS_CONSTANT_EVALUATED)",
|
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},
|
|
{"name": "__cpp_lib_list_remove_return_type",
|
|
"values": {
|
|
"c++2a": 201806L,
|
|
},
|
|
"headers": ["forward_list", "list"],
|
|
"unimplemented": True,
|
|
},
|
|
{"name": "__cpp_lib_generic_unordered_lookup",
|
|
"values": {
|
|
"c++2a": 201811L,
|
|
},
|
|
"headers": ["unordered_map", "unordered_set"],
|
|
"unimplemented": True,
|
|
},
|
|
{"name": "__cpp_lib_ranges",
|
|
"values": {
|
|
"c++2a": 201811L,
|
|
},
|
|
"headers": ["algorithm", "functional", "iterator", "memory", "ranges"],
|
|
"unimplemented": True,
|
|
},
|
|
{"name": "__cpp_lib_bit_cast",
|
|
"values": {
|
|
"c++2a": 201806L,
|
|
},
|
|
"headers": ["bit"],
|
|
"unimplemented": True,
|
|
},
|
|
{"name": "__cpp_lib_atomic_ref",
|
|
"values": {
|
|
"c++2a": 201806L,
|
|
},
|
|
"headers": ["atomic"],
|
|
"unimplemented": True,
|
|
"depends": "!defined(_LIBCPP_HAS_NO_THREADS)",
|
|
"internal_depends": "!defined(_LIBCPP_HAS_NO_THREADS)",
|
|
},
|
|
{"name": "__cpp_lib_interpolate",
|
|
"values": {
|
|
"c++2a": 201902L,
|
|
},
|
|
"headers": ["numeric"],
|
|
},
|
|
]], key=lambda tc: tc["name"])
|
|
|
|
def get_std_dialects():
|
|
std_dialects = ['c++14', 'c++17', 'c++2a']
|
|
return list(std_dialects)
|
|
|
|
def get_first_std(d):
|
|
for s in get_std_dialects():
|
|
if s in d.keys():
|
|
return s
|
|
return None
|
|
|
|
def get_last_std(d):
|
|
rev_dialects = get_std_dialects()
|
|
rev_dialects.reverse()
|
|
for s in rev_dialects:
|
|
if s in d.keys():
|
|
return s
|
|
return None
|
|
|
|
def get_std_before(d, std):
|
|
std_dialects = get_std_dialects()
|
|
candidates = std_dialects[0:std_dialects.index(std)]
|
|
candidates.reverse()
|
|
for cand in candidates:
|
|
if cand in d.keys():
|
|
return cand
|
|
return None
|
|
|
|
def get_value_before(d, std):
|
|
new_std = get_std_before(d, std)
|
|
if new_std is None:
|
|
return None
|
|
return d[new_std]
|
|
|
|
def get_for_std(d, std):
|
|
# This catches the C++11 case for which there should be no defined feature
|
|
# test macros.
|
|
std_dialects = get_std_dialects()
|
|
if std not in std_dialects:
|
|
return None
|
|
# Find the value for the newest C++ dialect between C++14 and std
|
|
std_list = list(std_dialects[0:std_dialects.index(std)+1])
|
|
std_list.reverse()
|
|
for s in std_list:
|
|
if s in d.keys():
|
|
return d[s]
|
|
return None
|
|
|
|
|
|
"""
|
|
Functions to produce the <version> header
|
|
"""
|
|
|
|
def produce_macros_definition_for_std(std):
|
|
result = ""
|
|
indent = 56
|
|
for tc in feature_test_macros:
|
|
if std not in tc["values"]:
|
|
continue
|
|
inner_indent = 1
|
|
if 'depends' in tc.keys():
|
|
assert 'internal_depends' in tc.keys()
|
|
result += "# if %s\n" % tc["internal_depends"]
|
|
inner_indent += 2
|
|
if get_value_before(tc["values"], std) is not None:
|
|
assert 'depends' not in tc.keys()
|
|
result += "# undef %s\n" % tc["name"]
|
|
line = "#%sdefine %s" % ((" " * inner_indent), tc["name"])
|
|
line += " " * (indent - len(line))
|
|
line += "%sL" % tc["values"][std]
|
|
if 'unimplemented' in tc.keys():
|
|
line = "// " + line
|
|
result += line
|
|
result += "\n"
|
|
if 'depends' in tc.keys():
|
|
result += "# endif\n"
|
|
return result
|
|
|
|
def chunks(l, n):
|
|
"""Yield successive n-sized chunks from l."""
|
|
for i in range(0, len(l), n):
|
|
yield l[i:i + n]
|
|
|
|
def produce_version_synopsis():
|
|
indent = 56
|
|
header_indent = 56 + len("20XXYYL ")
|
|
result = ""
|
|
def indent_to(s, val):
|
|
if len(s) >= val:
|
|
return s
|
|
s += " " * (val - len(s))
|
|
return s
|
|
line = indent_to("Macro name", indent) + "Value"
|
|
line = indent_to(line, header_indent) + "Headers"
|
|
result += line + "\n"
|
|
for tc in feature_test_macros:
|
|
prev_defined_std = get_last_std(tc["values"])
|
|
line = "{name: <{indent}}{value}L ".format(name=tc['name'], indent=indent,
|
|
value=tc["values"][prev_defined_std])
|
|
headers = list(tc["headers"])
|
|
headers.remove("version")
|
|
for chunk in chunks(headers, 3):
|
|
line = indent_to(line, header_indent)
|
|
chunk = ['<%s>' % header for header in chunk]
|
|
line += ' '.join(chunk)
|
|
result += line
|
|
result += "\n"
|
|
line = ""
|
|
while True:
|
|
prev_defined_std = get_std_before(tc["values"], prev_defined_std)
|
|
if prev_defined_std is None:
|
|
break
|
|
result += "%s%sL // %s\n" % (indent_to("", indent), tc["values"][prev_defined_std],
|
|
prev_defined_std.replace("c++", "C++"))
|
|
return result
|
|
|
|
|
|
def produce_version_header():
|
|
template="""// -*- C++ -*-
|
|
//===--------------------------- version ----------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef _LIBCPP_VERSIONH
|
|
#define _LIBCPP_VERSIONH
|
|
|
|
/*
|
|
version synopsis
|
|
|
|
{synopsis}
|
|
|
|
*/
|
|
|
|
#include <__config>
|
|
|
|
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
|
#pragma GCC system_header
|
|
#endif
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
{cxx14_macros}
|
|
#endif
|
|
|
|
#if _LIBCPP_STD_VER > 14
|
|
{cxx17_macros}
|
|
#endif
|
|
|
|
#if _LIBCPP_STD_VER > 17
|
|
{cxx2a_macros}
|
|
#endif
|
|
|
|
#endif // _LIBCPP_VERSIONH
|
|
"""
|
|
return template.format(
|
|
synopsis=produce_version_synopsis().strip(),
|
|
cxx14_macros=produce_macros_definition_for_std('c++14').strip(),
|
|
cxx17_macros=produce_macros_definition_for_std('c++17').strip(),
|
|
cxx2a_macros=produce_macros_definition_for_std('c++2a').strip())
|
|
|
|
"""
|
|
Functions to produce test files
|
|
"""
|
|
|
|
test_types = {
|
|
"undefined": """
|
|
# ifdef {name}
|
|
# error "{name} should not be defined before {std_first}"
|
|
# endif
|
|
""",
|
|
|
|
"depends": """
|
|
# if {depends}
|
|
# ifndef {name}
|
|
# error "{name} should be defined in {std}"
|
|
# endif
|
|
# if {name} != {value}
|
|
# error "{name} should have the value {value} in {std}"
|
|
# endif
|
|
# else
|
|
# ifdef {name}
|
|
# error "{name} should not be defined when {depends} is not defined!"
|
|
# endif
|
|
# endif
|
|
""",
|
|
|
|
"unimplemented": """
|
|
# if !defined(_LIBCPP_VERSION)
|
|
# ifndef {name}
|
|
# error "{name} should be defined in {std}"
|
|
# endif
|
|
# if {name} != {value}
|
|
# error "{name} should have the value {value} in {std}"
|
|
# endif
|
|
# else // _LIBCPP_VERSION
|
|
# ifdef {name}
|
|
# error "{name} should not be defined because it is unimplemented in libc++!"
|
|
# endif
|
|
# endif
|
|
""",
|
|
|
|
"defined":"""
|
|
# ifndef {name}
|
|
# error "{name} should be defined in {std}"
|
|
# endif
|
|
# if {name} != {value}
|
|
# error "{name} should have the value {value} in {std}"
|
|
# endif
|
|
"""
|
|
}
|
|
|
|
def generate_std_test(test_list, std):
|
|
result = ""
|
|
for tc in test_list:
|
|
val = get_for_std(tc["values"], std)
|
|
if val is not None:
|
|
val = "%sL" % val
|
|
if val is None:
|
|
result += test_types["undefined"].format(name=tc["name"], std_first=get_first_std(tc["values"]))
|
|
elif 'unimplemented' in tc.keys():
|
|
result += test_types["unimplemented"].format(name=tc["name"], value=val, std=std)
|
|
elif "depends" in tc.keys():
|
|
result += test_types["depends"].format(name=tc["name"], value=val, std=std, depends=tc["depends"])
|
|
else:
|
|
result += test_types["defined"].format(name=tc["name"], value=val, std=std)
|
|
return result
|
|
|
|
def generate_synopsis(test_list):
|
|
max_name_len = max([len(tc["name"]) for tc in test_list])
|
|
indent = max_name_len + 8
|
|
def mk_line(prefix, suffix):
|
|
return "{prefix: <{max_len}}{suffix}\n".format(prefix=prefix, suffix=suffix,
|
|
max_len=indent)
|
|
result = ""
|
|
result += mk_line("/* Constant", "Value")
|
|
for tc in test_list:
|
|
prefix = " %s" % tc["name"]
|
|
for std in [s for s in get_std_dialects() if s in tc["values"].keys()]:
|
|
result += mk_line(prefix, "%sL [%s]" % (tc["values"][std], std.replace("c++", "C++")))
|
|
prefix = ""
|
|
result += "*/"
|
|
return result
|
|
|
|
def is_threading_header_unsafe_to_include(h):
|
|
# NOTE: "<mutex>" does not blow up when included without threads.
|
|
return h in ['atomic', 'shared_mutex']
|
|
|
|
def produce_tests():
|
|
headers = set([h for tc in feature_test_macros for h in tc["headers"]])
|
|
for h in headers:
|
|
test_list = [tc for tc in feature_test_macros if h in tc["headers"]]
|
|
if not has_header(h):
|
|
for tc in test_list:
|
|
assert 'unimplemented' in tc.keys()
|
|
continue
|
|
test_tags = ""
|
|
if is_threading_header_unsafe_to_include(h):
|
|
test_tags += '\n// UNSUPPORTED: libcpp-has-no-threads\n'
|
|
test_body = \
|
|
"""//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// WARNING: This test was generated by {script_name}
|
|
// and should not be edited manually.
|
|
{test_tags}
|
|
// <{header}>
|
|
|
|
// Test the feature test macros defined by <{header}>
|
|
|
|
{synopsis}
|
|
|
|
#include <{header}>
|
|
#include "test_macros.h"
|
|
|
|
#if TEST_STD_VER < 14
|
|
|
|
{cxx11_tests}
|
|
|
|
#elif TEST_STD_VER == 14
|
|
|
|
{cxx14_tests}
|
|
|
|
#elif TEST_STD_VER == 17
|
|
|
|
{cxx17_tests}
|
|
|
|
#elif TEST_STD_VER > 17
|
|
|
|
{cxx2a_tests}
|
|
|
|
#endif // TEST_STD_VER > 17
|
|
|
|
int main(int, char**) {{ return 0; }}
|
|
""".format(script_name=script_name,
|
|
header=h,
|
|
test_tags=test_tags,
|
|
synopsis=generate_synopsis(test_list),
|
|
cxx11_tests=generate_std_test(test_list, 'c++11').strip(),
|
|
cxx14_tests=generate_std_test(test_list, 'c++14').strip(),
|
|
cxx17_tests=generate_std_test(test_list, 'c++17').strip(),
|
|
cxx2a_tests=generate_std_test(test_list, 'c++2a').strip())
|
|
test_name = "{header}.version.pass.cpp".format(header=h)
|
|
out_path = os.path.join(macro_test_path, test_name)
|
|
with open(out_path, 'w') as f:
|
|
f.write(test_body)
|
|
|
|
"""
|
|
Produce documentation for the feature test macros
|
|
"""
|
|
|
|
def make_widths(grid):
|
|
widths = []
|
|
for i in range(0, len(grid[0])):
|
|
cell_width = 2 + max(reduce(lambda x,y: x+y, [[len(row[i])] for row in grid], []))
|
|
widths += [cell_width]
|
|
return widths
|
|
|
|
def create_table(grid, indent):
|
|
indent_str = ' '*indent
|
|
col_widths = make_widths(grid)
|
|
num_cols = len(grid[0])
|
|
result = indent_str + add_divider(col_widths, 2)
|
|
header_flag = 2
|
|
for row_i in xrange(0, len(grid)):
|
|
row = grid[row_i]
|
|
result = result + indent_str + ' '.join([pad_cell(row[i], col_widths[i]) for i in range(0, len(row))]) + '\n'
|
|
is_cxx_header = row[0].startswith('**')
|
|
if row_i == len(grid) - 1:
|
|
header_flag = 2
|
|
result = result + indent_str + add_divider(col_widths, 1 if is_cxx_header else header_flag)
|
|
header_flag = 0
|
|
return result
|
|
|
|
def add_divider(widths, header_flag):
|
|
if header_flag == 2:
|
|
return ' '.join(['='*w for w in widths]) + '\n'
|
|
if header_flag == 1:
|
|
return '-'.join(['-'*w for w in widths]) + '\n'
|
|
else:
|
|
return ' '.join(['-'*w for w in widths]) + '\n'
|
|
|
|
def pad_cell(s, length, left_align=True):
|
|
padding = ((length - len(s)) * ' ')
|
|
return s + padding
|
|
|
|
|
|
def get_status_table():
|
|
table = [["Macro Name", "Value"]]
|
|
for std in get_std_dialects():
|
|
table += [["**" + std.replace("c++", "C++ ") + "**", ""]]
|
|
for tc in feature_test_macros:
|
|
if std not in tc["values"].keys():
|
|
continue
|
|
value = "``%sL``" % tc["values"][std]
|
|
if 'unimplemented' in tc.keys():
|
|
value = '*unimplemented*'
|
|
table += [["``%s``" % tc["name"], value]]
|
|
return table
|
|
|
|
def produce_docs():
|
|
doc_str = """.. _FeatureTestMacroTable:
|
|
|
|
==========================
|
|
Feature Test Macro Support
|
|
==========================
|
|
|
|
.. contents::
|
|
:local:
|
|
|
|
Overview
|
|
========
|
|
|
|
This file documents the feature test macros currently supported by libc++.
|
|
|
|
.. _feature-status:
|
|
|
|
Status
|
|
======
|
|
|
|
.. table:: Current Status
|
|
:name: feature-status-table
|
|
:widths: auto
|
|
|
|
{status_tables}
|
|
|
|
""".format(status_tables=create_table(get_status_table(), 4))
|
|
|
|
table_doc_path = os.path.join(docs_path, 'FeatureTestMacroTable.rst')
|
|
with open(table_doc_path, 'w') as f:
|
|
f.write(doc_str)
|
|
|
|
def main():
|
|
with tempfile.NamedTemporaryFile(mode='w', prefix='version.', delete=False) as tmp_file:
|
|
print("producing new <version> header as %s" % tmp_file.name)
|
|
tmp_file.write(produce_version_header())
|
|
produce_tests()
|
|
produce_docs()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|