Author: Viktoriia Bakalova
Date: 2023-01-12T15:59:32Z
New Revision: ed001018a02b3d8da699317cad7f7727d126f01d

URL: 
https://github.com/llvm/llvm-project/commit/ed001018a02b3d8da699317cad7f7727d126f01d
DIFF: 
https://github.com/llvm/llvm-project/commit/ed001018a02b3d8da699317cad7f7727d126f01d.diff

LOG: [include-mapping] Print an error message in case the symbol index points 
to a non-existent page.

Fix: https://github.com/llvm/llvm-project/issues/59610
Differential Revision: https://reviews.llvm.org/D141611

Added: 
    

Modified: 
    clang/tools/include-mapping/cppreference_parser.py

Removed: 
    


################################################################################
diff  --git a/clang/tools/include-mapping/cppreference_parser.py 
b/clang/tools/include-mapping/cppreference_parser.py
index 137d310491bd1..759269bffaa96 100644
--- a/clang/tools/include-mapping/cppreference_parser.py
+++ b/clang/tools/include-mapping/cppreference_parser.py
@@ -145,6 +145,9 @@ def _GetSymbols(pool, root_dir, index_page_name, namespace, 
variants_to_accept):
       if os.path.isfile(path):
         results.append((symbol_name,
                       pool.apply_async(_ReadSymbolPage, (path, symbol_name))))
+      else:
+        sys.stderr.write("Discarding information for symbol: %s. Page %s does 
not exist.\n" 
+          % (symbol_name, path))                
 
     # Build map from symbol name to a set of headers.
     symbol_headers = collections.defaultdict(set)


        
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