[PATCH] D143486: [clangd] Fix a crash in semantic highlighting.

[Haojian Wu via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG41a6085252ef: [clangd] Fix a crash in semantic highlighting. 
(authored by hokein).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D143486/new/

https://reviews.llvm.org/D143486

Files:
  clang-tools-extra/clangd/SemanticHighlighting.cpp


Index: clang-tools-extra/clangd/SemanticHighlighting.cpp
===================================================================
--- clang-tools-extra/clangd/SemanticHighlighting.cpp
+++ clang-tools-extra/clangd/SemanticHighlighting.cpp
@@ -519,10 +519,11 @@
     Loc = getHighlightableSpellingToken(Loc, SourceMgr);
     if (Loc.isInvalid())
       return std::nullopt;
-
+    // We might have offsets in the main file that don't correspond to any
+    // spelled tokens.
     const auto *Tok = TB.spelledTokenAt(Loc);
-    assert(Tok);
-
+    if (!Tok)
+      return std::nullopt;
     return halfOpenToRange(SourceMgr,
                            Tok->range(SourceMgr).toCharRange(SourceMgr));
   }



Index: clang-tools-extra/clangd/SemanticHighlighting.cpp
===================================================================
--- clang-tools-extra/clangd/SemanticHighlighting.cpp
+++ clang-tools-extra/clangd/SemanticHighlighting.cpp
@@ -519,10 +519,11 @@
     Loc = getHighlightableSpellingToken(Loc, SourceMgr);
     if (Loc.isInvalid())
       return std::nullopt;
-
+    // We might have offsets in the main file that don't correspond to any
+    // spelled tokens.
     const auto *Tok = TB.spelledTokenAt(Loc);
-    assert(Tok);
-
+    if (!Tok)
+      return std::nullopt;
     return halfOpenToRange(SourceMgr,
                            Tok->range(SourceMgr).toCharRange(SourceMgr));
   }

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