[clang] [clang][DependencyScanning] Track dependencies from prebuilt modules to determine IsInStableDir (PR #132237)
Jan Svoboda via cfe-commits
cfe-commits at lists.llvm.org
Tue Mar 25 11:23:52 PDT 2025
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@@ -5834,9 +5834,13 @@ bool ASTReader::readASTFileControlBlock(
break;
case INPUT_FILE:
bool Overridden = static_cast<bool>(Record[3]);
+ size_t FilenameLen = ModuleDir.size() + Record[7] + 1;
auto Filename = ResolveImportedPath(PathBuf, Blob, ModuleDir);
+ StringRef FilenameAsRequested = Filename->substr(0, FilenameLen);
+ StringRef ExternalFilename = Filename->substr(FilenameLen);
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jansvoboda11 wrote:
Can you explain how this is supposed to work? IIRC `Blob` is the concatenation of the as-requested name and the name, so this doesn't make sense to me. (To be frank, even the original code seems incorrect.)
https://github.com/llvm/llvm-project/pull/132237
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