gh-97740: Fix bang in Sphinx C domain ref target syntax (#97741)

* gh-97740: Fix bang in Sphinx C domain ref target syntax

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
* Add NEWS entry for C domain bang fix

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

diff --git a/Doc/conf.py b/Doc/conf.py
index 0a436d7affcdb6045e33e2e31b6bb31c5ec70940..909f992d9d821a6d892d7034a11e25010f413a59 100644 (file)
--- a/Doc/conf.py
+++ b/Doc/conf.py
@@ -249,3 +249,18 @@ c_allow_pre_v3 = True
 # bpo-40204: Disable warnings on Sphinx 2 syntax of the C domain since the
 # documentation is built with -W (warnings treated as errors).
 c_warn_on_allowed_pre_v3 = False
+
+# Fix '!' not working with C domain when pre_v3 is enabled
+import sphinx
+
+if sphinx.version_info[:2] < (5, 3):
+    from sphinx.domains.c import CXRefRole
+
+    original_run = CXRefRole.run
+
+    def new_run(self):
+        if self.disabled:
+            return super(CXRefRole, self).run()
+        return original_run(self)
+
+    CXRefRole.run = new_run

diff --git a/Misc/NEWS.d/next/Documentation/2022-10-02-10-58-52.gh-issue-97741.39l023.rst b/Misc/NEWS.d/next/Documentation/2022-10-02-10-58-52.gh-issue-97741.39l023.rst
new file mode 100644 (file)
index 0000000..8da9c92
--- /dev/null
+++ b/Misc/NEWS.d/next/Documentation/2022-10-02-10-58-52.gh-issue-97741.39l023.rst
@@ -0,0 +1,2 @@
+Fix ``!`` in c domain ref target syntax via a ``conf.py`` patch, so it works
+as intended to disable ref target resolution.