Allow condition in GILStatNode

…ime line tracing and coverage report.

GH-1461: Include the signature line of cdef functions in the import-time line tracing and coverage report.

…es not generate a line trace call).

… parsing code from the lookup code.

…finally statements.

See #2879.

Fix reference in docs

…y test it.

…nction (which breaks GIL validation).

Closes GH-2879.

…State_UncheckedGet() and crashes when calling PyThreadState_GET() without a thread state.

Closes GH-2884.

… literals in the `PyDoc_STR()` macro.

Closes GH-884.

Support CPython builds with docstrings disabled

Closes #2926.

Add PyGILState_Check to Includes/cpython/pystate.pxd

Clean weakrefs before calling user's dealloc

…ressions: instead of two errors and a crash, just report it once and explicitly.

GH-2934: improve error reporting for non-constant exception value expressions

…t item types from being merged into one.

Adds positional only args support (PEP 570)

…s in Py3.8.

…the function has only one pos-only argument.

…n additional argument for the pos-only args count.

Closes GH-2938.

…ation.

Closes GH-2939.

Closes GH-2936.