[all-commits] [llvm/llvm-project] b1b24d: [clang][ExtractAPI] Fix quirks in interaction with...

[Daniel Grumberg via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b1b24d751776d5fd2218a5cb43a8d103bf59fa32
      https://github.com/llvm/llvm-project/commit/b1b24d751776d5fd2218a5cb43a8d103bf59fa32
  Author: Daniel Grumberg <dgrumberg at apple.com>
  Date:   2024-08-27 (Tue, 27 Aug 2024)

  Changed paths:
    M clang/include/clang/ExtractAPI/DeclarationFragments.h
    M clang/include/clang/ExtractAPI/ExtractAPIVisitor.h
    M clang/lib/ExtractAPI/DeclarationFragments.cpp
    M clang/lib/ExtractAPI/ExtractAPIConsumer.cpp
    M clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
    M clang/test/ExtractAPI/bool.c
    M clang/test/ExtractAPI/emit-symbol-graph/multi_file.c
    M clang/test/ExtractAPI/emit-symbol-graph/single_file.c
    M clang/test/ExtractAPI/macros.c
    A clang/test/ExtractAPI/submodule-macro.m

  Log Message:
  -----------
  [clang][ExtractAPI] Fix quirks in interaction with submodules (#105868)

Extension SGFs require the module system to be enabled in order to discover which module defines the extended external type.
This patch ensures the following:
- Associate symbols with their top level module name, and that only top level modules are considered as modules for emitting extension SGFs.
- Ensure we don't drop macro definitions that came from a submodule. To this end look at all defined macros in `PPCalbacks::EndOfMainFile` instead of relying on `PPCallbacks::MacroDefined` being called to detect a macro definition.



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