[all-commits] [llvm/llvm-project] cf5362: Reapply "[ObjC][Preprocessor] Handle @import direc...

[yronglin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cf536231f0be2cdc3d57172a4dfa6e116c550fb6
      https://github.com/llvm/llvm-project/commit/cf536231f0be2cdc3d57172a4dfa6e116c550fb6
  Author: yronglin <yronglin777 at gmail.com>
  Date:   2026-04-16 (Thu, 16 Apr 2026)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticLexKinds.td
    M clang/include/clang/Frontend/CompilerInstance.h
    M clang/include/clang/Lex/Preprocessor.h
    M clang/lib/Frontend/CompilerInstance.cpp
    M clang/lib/Lex/DependencyDirectivesScanner.cpp
    M clang/lib/Lex/Lexer.cpp
    M clang/lib/Lex/PPDirectives.cpp
    M clang/lib/Lex/PPLexerChange.cpp
    M clang/lib/Lex/Preprocessor.cpp
    M clang/test/Modules/lookup.cpp
    M clang/test/Modules/no-stale-modtime.m
    A clang/test/Modules/objc-at-import.m
    M clang/unittests/Lex/DependencyDirectivesScannerTest.cpp
    M clang/utils/ClangVisualizers/clang.natvis
    M lldb/test/Shell/Expr/TestClangModuleLoadError_FromExpression.test

  Log Message:
  -----------
  Reapply "[ObjC][Preprocessor] Handle @import directive as a pp-directive" (#189174)

This PR reapply https://github.com/llvm/llvm-project/pull/157726.

Depends: https://github.com/llvm/llvm-project/pull/107168
This patch handle `@import` as a preprocessing directive, and since this
patch, the following import directive will be ill-formed:
```
@import Foo\n;
```

---------

Signed-off-by: yronglin <yronglin777 at gmail.com>



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