rename lltok::Metadata -> lltok::exclaim. We name tokens

after their syntactic form, not their semantic form.

llvm-svn: 92294

llvm/lib/AsmParser/LLLexer.cpp

@@ -254,7 +254,7 @@ lltok::Kind LLLexer::LexToken() {
   case ';':
     SkipLineComment();
     return LexToken();
-  case '!': return LexMetadata();
+  case '!': return LexExclaim();
   case '0': case '1': case '2': case '3': case '4':
   case '5': case '6': case '7': case '8': case '9':
   case '-':
@@ -422,11 +422,11 @@ static bool JustWhitespaceNewLine(const char *&Ptr) {
   return false;
 }
 
-/// LexMetadata:
+/// LexExclaim:
 ///    !{...}
 ///    !42
 ///    !foo
-lltok::Kind LLLexer::LexMetadata() {
+lltok::Kind LLLexer::LexExclaim() {
   if (isalpha(CurPtr[0])) {
     ++CurPtr;
     while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
@@ -436,7 +436,7 @@ lltok::Kind LLLexer::LexMetadata() {
     StrVal.assign(TokStart+1, CurPtr);   // Skip !
     return lltok::NamedOrCustomMD;
   }
-  return lltok::Metadata;
+  return lltok::exclaim;
 }
   
 /// LexIdentifier: Handle several related productions:

llvm/lib/AsmParser/LLLexer.h

@@ -75,7 +75,7 @@ namespace llvm {
     lltok::Kind LexDigitOrNegative();
     lltok::Kind LexPositive();
     lltok::Kind LexAt();
-    lltok::Kind LexMetadata();
+    lltok::Kind LexExclaim();
     lltok::Kind LexPercent();
     lltok::Kind LexQuote();
     lltok::Kind Lex0x();

llvm/lib/AsmParser/LLParser.cpp

@@ -168,7 +168,7 @@ bool LLParser::ParseTopLevelEntities() {
     case lltok::LocalVar:   if (ParseNamedType()) return true; break;
     case lltok::GlobalID:   if (ParseUnnamedGlobal()) return true; break;
     case lltok::GlobalVar:  if (ParseNamedGlobal()) return true; break;
-    case lltok::Metadata:   if (ParseStandaloneMetadata()) return true; break;
+    case lltok::exclaim:    if (ParseStandaloneMetadata()) return true; break;
     case lltok::NamedOrCustomMD: if (ParseNamedMetadata()) return true; break;
 
     // The Global variable production with no name can have many different
@@ -506,13 +506,13 @@ bool LLParser::ParseNamedMetadata() {
   std::string Name = Lex.getStrVal();
 
   if (ParseToken(lltok::equal, "expected '=' here") ||
-      ParseToken(lltok::Metadata, "Expected '!' here") ||
+      ParseToken(lltok::exclaim, "Expected '!' here") ||
       ParseToken(lltok::lbrace, "Expected '{' here"))
     return true;
 
   SmallVector<MetadataBase *, 8> Elts;
   do {
-    if (ParseToken(lltok::Metadata, "Expected '!' here"))
+    if (ParseToken(lltok::exclaim, "Expected '!' here"))
       return true;
     
     // FIXME: This rejects MDStrings.  Are they legal in an named MDNode or not?
@@ -531,7 +531,7 @@ bool LLParser::ParseNamedMetadata() {
 /// ParseStandaloneMetadata:
 ///   !42 = !{...}
 bool LLParser::ParseStandaloneMetadata() {
-  assert(Lex.getKind() == lltok::Metadata);
+  assert(Lex.getKind() == lltok::exclaim);
   Lex.Lex();
   unsigned MetadataID = 0;
 
@@ -542,7 +542,7 @@ bool LLParser::ParseStandaloneMetadata() {
   if (ParseUInt32(MetadataID) ||
       ParseToken(lltok::equal, "expected '=' here") ||
       ParseType(Ty, TyLoc) ||
-      ParseToken(lltok::Metadata, "Expected metadata here") ||
+      ParseToken(lltok::exclaim, "Expected '!' here") ||
       ParseToken(lltok::lbrace, "Expected '{' here") ||
       ParseMDNodeVector(Elts) ||
       ParseToken(lltok::rbrace, "expected end of metadata node"))
@@ -1074,12 +1074,10 @@ bool LLParser::ParseOptionalCustomMetadata() {
     std::string Name = Lex.getStrVal();
     Lex.Lex();
 
-    if (Lex.getKind() != lltok::Metadata)
-      return TokError("expected '!' here");
-    Lex.Lex();
-
     MDNode *Node;
-    if (ParseMDNodeID(Node)) return true;
+    if (ParseToken(lltok::exclaim, "expected '!' here") ||
+        ParseMDNodeID(Node))
+      return true;
 
     unsigned MDK = M->getMDKindID(Name.c_str());
     MDsOnInst.push_back(std::make_pair(MDK, Node));
@@ -1890,7 +1888,7 @@ bool LLParser::ParseValID(ValID &ID) {
     ID.StrVal = Lex.getStrVal();
     ID.Kind = ValID::t_LocalName;
     break;
-  case lltok::Metadata:   // !{...} MDNode, !"foo" MDString
+  case lltok::exclaim:   // !{...} MDNode, !"foo" MDString
     Lex.Lex();
     
     // FIXME: This doesn't belong here.

llvm/lib/AsmParser/LLToken.h

@@ -29,6 +29,7 @@ namespace lltok {
     less, greater,     // <  >
     lparen, rparen,    // (  )
     backslash,         // \    (not /)
+    exclaim,           // !
 
     kw_x,
     kw_begin,   kw_end,
@@ -131,9 +132,6 @@ namespace lltok {
     StringConstant,    // "foo"
     NamedOrCustomMD,   // !foo
 
-    // Metadata valued tokens.
-    Metadata,          // !"foo" !{i8 42}
-
     // Type valued tokens (TyVal).
     Type,