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Move the feature test macros script to the utils directory. 

It doesn't make a lot of sense to keep it with the tests,
deep into the test suite directonies.

llvm-svn: 352970
This commit is contained in:
Eric Fiselier 2019-02-02 23:13:49 +00:00
parent 003311270b
commit 508da4156a
2 changed files with 15 additions and 13 deletions
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9
libcxx/docs/DesignDocs/FeatureTestMacros.rst
View File

@ -9,7 +9,9 @@ Overview
========
Libc++ implements the C++ feature test macros as specified in the C++2a standard,
and before that in non-normative guiding documents (`See cppreference <https://en.cppreference.com/w/User:D41D8CD98F/feature_testing_macros>`)
and before that in non-normative guiding documents
(`See cppreference <https://en.cppreference.com/w/User:D41D8CD98F/feature_testing_macros>`_)
Design
======
@ -23,8 +25,7 @@ lives in, and whether or not is is implemented by libc++. From this SSoA we
have enough information to automatically generate the `<version>` header,
the tests, and the documentation.
Therefore we maintain a SSoA in
`libcxx/test/std/language.support/support.limits/support.limits.general/generate_feature_test_macro_components.py`
Therefore we maintain a SSoA in `libcxx/utils/generate_feature_test_macro_components.py`
which doubles as a script to generate the following components:
* The `<version>` header.
@ -41,4 +42,4 @@ Whenever a feature test macro is added or changed, the table should be updated
and the script should be re-ran. The script will clobber the existing test files
and the documentation and it will generate a new `<version>` header as a
temporary file. The generated `<version>` header should be merged with the
existing one.
existing one.

19
libcxx/test/std/language.support/support.limits/support.limits.general/generate_feature_test_macro_components.py → libcxx/utils/generate_feature_test_macro_components.py
View File

@ -4,21 +4,22 @@ import os
import tempfile
def get_libcxx_paths():
script_path = os.path.dirname(os.path.abspath(__file__))
utils_path = os.path.dirname(os.path.abspath(__file__))
script_name = os.path.basename(__file__)
assert os.path.exists(script_path)
depth = 5
src_root = script_path
for _ in xrange(0, 5):
src_root = os.path.dirname(src_root)
assert os.path.exists(utils_path)
src_root = os.path.dirname(utils_path)
include_path = os.path.join(src_root, 'include')
assert os.path.exists(include_path)
docs_path = os.path.join(src_root, 'docs')
assert os.path.exists(docs_path)
return script_path, script_name, src_root, include_path, docs_path
macro_test_path = os.path.join(src_root, 'test', 'std', 'language.support',
'support.limits', 'support.limits.general')
assert os.path.exists(macro_test_path)
assert os.path.exists(os.path.join(macro_test_path, 'version.version.pass.cpp'))
return script_name, src_root, include_path, docs_path, macro_test_path
script_path, script_name, source_root, include_path, docs_path = get_libcxx_paths()
script_name, source_root, include_path, docs_path, macro_test_path = get_libcxx_paths()
def has_header(h):
h_path = os.path.join(include_path, h)
@ -874,7 +875,7 @@ int main() {{}}
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(script_path, test_name)
out_path = os.path.join(macro_test_path, test_name)
with open(out_path, 'w') as f:
f.write(test_body)