[PATCH] D122244: [analyzer] Turn missing tablegen doc entry of a checker into fatal error

[Balázs Benics via Phabricator via cfe-commits]

steakhal created this revision.
steakhal added reviewers: martong, Szelethus.
Herald added subscribers: manas, ASDenysPetrov, dkrupp, donat.nagy, mikhail.ramalho, a.sidorin, rnkovacs, szepet, baloghadamsoftware, xazax.hun.
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It turns out all checkers explicitly mention the `Documentation<>`.
It makes sense to demand this, so emit a fatal tablegen error if such
happens.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122244

Files:
  clang/utils/TableGen/ClangSACheckersEmitter.cpp


Index: clang/utils/TableGen/ClangSACheckersEmitter.cpp
===================================================================
--- clang/utils/TableGen/ClangSACheckersEmitter.cpp
+++ clang/utils/TableGen/ClangSACheckersEmitter.cpp
@@ -76,14 +76,17 @@
 
 static std::string getCheckerDocs(const Record &R) {
   StringRef LandingPage;
-  if (BitsInit *BI = R.getValueAsBitsInit("Documentation")) {
-    uint64_t V = getValueFromBitsInit(BI, R);
-    if (V == 1)
-      LandingPage = "available_checks.html";
-    else if (V == 2)
-      LandingPage = "alpha_checks.html";
-  }
-  
+  const BitsInit *BI = R.getValueAsBitsInit("Documentation");
+  if (!BI)
+    PrintFatalError(R.getLoc(),
+                    "missing Documentation for " + getCheckerFullName(&R));
+
+  uint64_t V = getValueFromBitsInit(BI, R);
+  if (V == 1)
+    LandingPage = "available_checks.html";
+  else if (V == 2)
+    LandingPage = "alpha_checks.html";
+
   if (LandingPage.empty())
     return "";
 


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