while (isalnum(*CurPtr) || *CurPtr == '_' || *CurPtr == '$' ||
*CurPtr == '.' || *CurPtr == '@')
++CurPtr;
- CurStrVal.assign(TokStart, CurPtr); // Skip %
+ CurStrVal.assign(TokStart, CurPtr); // Include %
return asmtok::Identifier;
}
return asmtok::IntVal;
}
+/// LexQuote: String: "..."
+asmtok::TokKind AsmLexer::LexQuote() {
+ int CurChar = getNextChar();
+ // TODO: does gas allow multiline string constants?
+ while (CurChar != '"') {
+ if (CurChar == '\\') {
+ // Allow \", etc.
+ CurChar = getNextChar();
+ }
+
+ if (CurChar == EOF) {
+ PrintError(TokStart, "unterminated string constant");
+ return asmtok::Eof;
+ }
+
+ CurChar = getNextChar();
+ }
+
+ CurStrVal.assign(TokStart, CurPtr); // include quotes.
+ return asmtok::String;
+}
+
asmtok::TokKind AsmLexer::LexToken() {
TokStart = CurPtr;
case '%': return LexPercent();
case '/': return LexSlash();
case '#': return LexHash();
+ case '"': return LexQuote();
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
return LexDigit();
// Markers
Eof, Error,
+ // String values.
Identifier,
Register,
+ String,
+
+ // Integer values.
IntVal,
+ // No-value.
EndOfStatement,
Colon,
Plus,
asmtok::TokKind getKind() const { return CurKind; }
const std::string &getCurStrVal() const {
- assert((CurKind == asmtok::Identifier || CurKind == asmtok::Register) &&
+ assert((CurKind == asmtok::Identifier || CurKind == asmtok::Register ||
+ CurKind == asmtok::String) &&
"This token doesn't have a string value");
return CurStrVal;
}
asmtok::TokKind LexSlash();
asmtok::TokKind LexHash();
asmtok::TokKind LexDigit();
+ asmtok::TokKind LexQuote();
};
} // end namespace llvm