diff options
Diffstat (limited to 'clang-tools-extra/clang-tidy/utils/LexerUtils.cpp')
| -rw-r--r-- | clang-tools-extra/clang-tidy/utils/LexerUtils.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang-tools-extra/clang-tidy/utils/LexerUtils.cpp b/clang-tools-extra/clang-tidy/utils/LexerUtils.cpp index 17838fe577f..79d2499fcb9 100644 --- a/clang-tools-extra/clang-tidy/utils/LexerUtils.cpp +++ b/clang-tools-extra/clang-tidy/utils/LexerUtils.cpp @@ -17,7 +17,11 @@ Token getPreviousToken(SourceLocation Location, const SourceManager &SM, const LangOptions &LangOpts, bool SkipComments) { Token Token; Token.setKind(tok::unknown); + Location = Location.getLocWithOffset(-1); + if (Location.isInvalid()) + return Token; + auto StartOfFile = SM.getLocForStartOfFile(SM.getFileID(Location)); while (Location != StartOfFile) { Location = Lexer::GetBeginningOfToken(Location, SM, LangOpts); @@ -47,6 +51,9 @@ SourceLocation findPreviousTokenKind(SourceLocation Start, const SourceManager &SM, const LangOptions &LangOpts, tok::TokenKind TK) { + if (Start.isInvalid() || Start.isMacroID()) + return SourceLocation(); + while (true) { SourceLocation L = findPreviousTokenStart(Start, SM, LangOpts); if (L.isInvalid() || L.isMacroID()) |
