Normalize SourceMgr messages.
 - Don't print "Parsing" in front of every message.

 - Take additional "type" argument which is prepended to the message (with ": ")
   if given.

 - Update clients to print errors (warnings) as:
<filename>:<line number>: error(warning): ...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74489 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/AsmLexer.cpp b/tools/llvm-mc/AsmLexer.cpp
index 931f3b2..7b744fb 100644
--- a/tools/llvm-mc/AsmLexer.cpp
+++ b/tools/llvm-mc/AsmLexer.cpp
@@ -42,14 +42,15 @@
   return SMLoc::getFromPointer(TokStart);
 }
 
-void AsmLexer::PrintMessage(SMLoc Loc, const std::string &Msg) const {
-  SrcMgr.PrintMessage(Loc, Msg);
+void AsmLexer::PrintMessage(SMLoc Loc, const std::string &Msg, 
+                            const char *Type) const {
+  SrcMgr.PrintMessage(Loc, Msg, Type);
 }
 
 /// ReturnError - Set the error to the specified string at the specified
 /// location.  This is defined to always return asmtok::Error.
 asmtok::TokKind AsmLexer::ReturnError(const char *Loc, const std::string &Msg) {
-  SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), Msg);
+  SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), Msg, "error");
   return asmtok::Error;
 }