test/libcxx/modules_include.gen.py

#===----------------------------------------------------------------------===##
#
# 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
#
#===----------------------------------------------------------------------===##

# Test that we can include each header in a TU while using modules.
# This is important notably because the LLDB data formatters use
# libc++ headers with modules enabled.

# RUN: %{python} %s %{libcxx}/utils

import sys
sys.path.append(sys.argv[1])
from libcxx.test.header_information import header_restrictions, public_headers

for header in public_headers:
  BLOCKLIT = '' # block Lit from interpreting a RUN/XFAIL/etc inside the generation script
  test_condition_begin = '#if ' + header_restrictions[header] if header in header_restrictions else ''
  test_condition_end = '#endif' if header in header_restrictions else ''

  print(f"""\
//--- {header}.compile.pass.cpp
// RUN{BLOCKLIT}: %{{cxx}} %s %{{flags}} %{{compile_flags}} -fmodules -fcxx-modules -fmodules-cache-path=%t -fsyntax-only

// GCC doesn't support -fcxx-modules
// UNSUPPORTED{BLOCKLIT}: gcc

// The Windows headers don't appear to be compatible with modules
// UNSUPPORTED{BLOCKLIT}: windows
// UNSUPPORTED{BLOCKLIT}: buildhost=windows

// The Android headers don't appear to be compatible with modules yet
// XFAIL{BLOCKLIT}: LIBCXX-ANDROID-FIXME

// TODO: Investigate this failure
// UNSUPPORTED{BLOCKLIT}: LIBCXX-FREEBSD-FIXME

#include <__config>
{test_condition_begin}
#include <{header}>
{test_condition_end}
""")