[all-commits] [llvm/llvm-project] a12cbb: [SSAF] Add EntitySourceLocationExtractor (#210201)

[Jan Korous via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a12cbbcc94a80f54714aaa253f8838fcc9ab4aae
      https://github.com/llvm/llvm-project/commit/a12cbbcc94a80f54714aaa253f8838fcc9ab4aae
  Author: Jan Korous <jkorous at apple.com>
  Date:   2026-07-17 (Fri, 17 Jul 2026)

  Changed paths:
    M clang/include/clang/ScalableStaticAnalysis/BuiltinAnchorSources.def
    M clang/lib/ScalableStaticAnalysis/Analyses/CMakeLists.txt
    A clang/lib/ScalableStaticAnalysis/Analyses/SharedLexicalRepresentation/EntitySourceLocationExtractor.cpp
    A clang/unittests/ScalableStaticAnalysis/Analyses/SharedLexicalRepresentation/EntitySourceLocationExtractorTest.cpp
    M clang/unittests/ScalableStaticAnalysis/CMakeLists.txt

  Log Message:
  -----------
  [SSAF] Add EntitySourceLocationExtractor (#210201)

Walks every entity-producing decl in the TU and emits
SourceLocationRecord(s) per entity-kind anchor:

* Identifier-bearing decls (FunctionDecl/VarDecl/FieldDecl/ RecordDecl):
Decl::getLocation().
* Synthetic function return-slot entity:
FD->getReturnTypeSourceRange().getBegin().
* ParmVarDecl (named or unnamed): P->getTypeSpecStartLoc().

Skips compiler-synthesized implicits and builtins via the getEntityName
gate, system-header decls via SourceManager, and silently drops records
whose location is invalid or whose file path cannot be canonicalized via
real_path.

Assisted-By: Claude Opus 4.7



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