add string literals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73858 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/AsmLexer.cpp b/tools/llvm-mc/AsmLexer.cpp
index 4a68d0d..f29075a 100644
--- a/tools/llvm-mc/AsmLexer.cpp
+++ b/tools/llvm-mc/AsmLexer.cpp
@@ -77,7 +77,7 @@
while (isalnum(*CurPtr) || *CurPtr == '_' || *CurPtr == '$' ||
*CurPtr == '.' || *CurPtr == '@')
++CurPtr;
- CurStrVal.assign(TokStart, CurPtr); // Skip %
+ CurStrVal.assign(TokStart, CurPtr); // Include %
return asmtok::Identifier;
}
@@ -194,6 +194,28 @@
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;
@@ -228,6 +250,7 @@
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();