[clang] [Sema, Lex, Parse] Preprocessor embed in C and C++ (and Obj-C and Obj-C++ by-proxy) (PR #68620)

[Björn Schäpers via cfe-commits]

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@@ -1464,6 +1467,21 @@ class AnnotatingParser {
     }
   }
 
+  void parseEmbedDirective() {
+    if (CurrentToken && CurrentToken->is(tok::less)) {
+      next();
+      while (CurrentToken) {
+        // Mark tokens up to the trailing line comments as implicit string
+        // literals.
+        if (CurrentToken->isNot(tok::comment) &&
+            !CurrentToken->TokenText.startswith("//")) {
+          CurrentToken->setType(TT_ImplicitStringLiteral);
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HazardyKnusperkeks wrote:

Can you please add tests in `TokenAnnotatorTest.cpp`?

https://github.com/llvm/llvm-project/pull/68620