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| author | Devang Patel <dpatel@apple.com> | 2009-07-29 00:34:02 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2009-07-29 00:34:02 +0000 |
| commit | eff2ab61b5d411fe64ba601d402b7c549644b590 (patch) | |
| tree | 9ae0776e9d9fe6b7bb3aed32ed6ab3104d00e5c5 /lib/AsmParser/LLLexer.cpp | |
| parent | f457d1316dec017cf204b54524878310c356bf64 (diff) | |
| download | external_llvm-eff2ab61b5d411fe64ba601d402b7c549644b590.zip external_llvm-eff2ab61b5d411fe64ba601d402b7c549644b590.tar.gz external_llvm-eff2ab61b5d411fe64ba601d402b7c549644b590.tar.bz2 | |
Parse named metadata.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77410 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/AsmParser/LLLexer.cpp')
| -rw-r--r-- | lib/AsmParser/LLLexer.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp index c9b2821..4a7e123 100644 --- a/lib/AsmParser/LLLexer.cpp +++ b/lib/AsmParser/LLLexer.cpp @@ -253,7 +253,7 @@ lltok::Kind LLLexer::LexToken() { case ';': SkipLineComment(); return LexToken(); - case '!': return lltok::Metadata; + case '!': return LexMetadata(); case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': case '-': @@ -421,7 +421,23 @@ static bool JustWhitespaceNewLine(const char *&Ptr) { return false; } +/// LexMetadata: +/// !{...} +/// !42 +/// !foo +lltok::Kind LLLexer::LexMetadata() { + if (isalpha(CurPtr[0])) { + ++CurPtr; + while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' || + CurPtr[0] == '.' || CurPtr[0] == '_') + ++CurPtr; + StrVal.assign(TokStart+1, CurPtr); // Skip ! + return lltok::NamedMD; + } + return lltok::Metadata; +} + /// LexIdentifier: Handle several related productions: /// Label [-a-zA-Z$._0-9]+: /// IntegerType i[0-9]+ |