diff options
Diffstat (limited to 'tools/llvm-mc/AsmLexer.cpp')
| -rw-r--r-- | tools/llvm-mc/AsmLexer.cpp | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/tools/llvm-mc/AsmLexer.cpp b/tools/llvm-mc/AsmLexer.cpp index 95937d2a60..dbd3c06db7 100644 --- a/tools/llvm-mc/AsmLexer.cpp +++ b/tools/llvm-mc/AsmLexer.cpp @@ -75,17 +75,18 @@ asmtok::TokKind AsmLexer::LexIdentifier() { while (isalnum(*CurPtr) || *CurPtr == '_' || *CurPtr == '$' || *CurPtr == '.' || *CurPtr == '@') ++CurPtr; - CurStrVal.assign(TokStart, CurPtr); // Include % + CurStrVal.assign(TokStart, CurPtr); return asmtok::Identifier; } /// LexPercent: Register: %[a-zA-Z0-9]+ asmtok::TokKind AsmLexer::LexPercent() { if (!isalnum(*CurPtr)) - return ReturnError(TokStart, "invalid register name"); + return asmtok::Percent; // Single %. + while (isalnum(*CurPtr)) ++CurPtr; - CurStrVal.assign(TokStart, CurPtr); // Skip % + CurStrVal.assign(TokStart, CurPtr); // Include % return asmtok::Register; } @@ -243,6 +244,10 @@ asmtok::TokKind AsmLexer::LexToken() { case '*': return asmtok::Star; case ',': return asmtok::Comma; case '$': return asmtok::Dollar; + case '|': return asmtok::Pipe; + case '^': return asmtok::Caret; + case '&': return asmtok::Amp; + case '!': return asmtok::Exclaim; case '%': return LexPercent(); case '/': return LexSlash(); case '#': return LexHash(); @@ -250,6 +255,20 @@ asmtok::TokKind AsmLexer::LexToken() { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': return LexDigit(); + case '<': + if (*CurPtr == '<') { + ++CurPtr; + return asmtok::LessLess; + } + // Don't have any use for bare '<' yet. + return ReturnError(TokStart, "invalid character in input"); + case '>': + if (*CurPtr == '>') { + ++CurPtr; + return asmtok::GreaterGreater; + } + // Don't have any use for bare '>' yet. + return ReturnError(TokStart, "invalid character in input"); // TODO: Quoted identifiers (objc methods etc) // local labels: [0-9][:] |