[MC] Move parser helper functions from Asmparser to MCAsmParser

NFC Intended.

llvm-svn: 280092

1 files changed, 51 insertions, 0 deletions

diff --git a/llvm/lib/MC/MCParser/MCAsmParser.cpp b/llvm/lib/MC/MCParser/MCAsmParser.cpp
index 3576ed08253..3282a61e515 100644
--- a/llvm/lib/MC/MCParser/MCAsmParser.cpp
+++ b/llvm/lib/MC/MCParser/MCAsmParser.cpp
@@ -33,6 +33,57 @@ const AsmToken &MCAsmParser::getTok() const {
   return getLexer().getTok();
 }
 
+bool MCAsmParser::parseTokenLoc(SMLoc &Loc) {
+  Loc = getTok().getLoc();
+  return false;
+}
+
+bool MCAsmParser::parseEOL(const Twine &Msg) {
+  if (getTok().getKind() == AsmToken::Hash) {
+    StringRef CommentStr = parseStringToEndOfStatement();
+    getLexer().Lex();
+    getLexer().UnLex(AsmToken(AsmToken::EndOfStatement, CommentStr));
+  }
+  if (getTok().getKind() != AsmToken::EndOfStatement)
+    return Error(getTok().getLoc(), Msg);
+  Lex();
+  return false;
+}
+
+bool MCAsmParser::parseToken(AsmToken::TokenKind T, const Twine &Msg) {
+  if (T == AsmToken::EndOfStatement)
+    return parseEOL(Msg);
+  if (getTok().getKind() != T)
+    return Error(getTok().getLoc(), Msg);
+  Lex();
+  return false;
+}
+
+bool MCAsmParser::parseIntToken(int64_t &V, const Twine &Msg) {
+  if (getTok().getKind() != AsmToken::Integer)
+    return TokError(Msg);
+  V = getTok().getIntVal();
+  Lex();
+  return false;
+}
+
+bool MCAsmParser::parseOptionalToken(AsmToken::TokenKind T, bool &Present) {
+  Present = (getTok().getKind() == T);
+  if (Present)
+    Lex();
+  return false;
+}
+
+bool MCAsmParser::check(bool P, const Twine &Msg) {
+  return check(P, getTok().getLoc(), Msg);
+}
+
+bool MCAsmParser::check(bool P, SMLoc Loc, const Twine &Msg) {
+  if (P)
+    return Error(Loc, Msg);
+  return false;
+}
+
 bool MCAsmParser::TokError(const Twine &Msg, ArrayRef<SMRange> Ranges) {
   Error(getLexer().getLoc(), Msg, Ranges);
   return true;