Modified MCAsmLexer to return error information upward

rather than printing it locally, reducing its dependence
on SourceMgr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94041 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 8 insertions, 2 deletions

diff --git a/tools/llvm-mc/AsmLexer.cpp b/tools/llvm-mc/AsmLexer.cpp
index ba0d247..758fac4 100644
--- a/tools/llvm-mc/AsmLexer.cpp
+++ b/tools/llvm-mc/AsmLexer.cpp
@@ -44,7 +44,8 @@ void AsmLexer::PrintMessage(SMLoc Loc, const std::string &Msg,
 /// ReturnError - Set the error to the specified string at the specified
 /// location.  This is defined to always return AsmToken::Error.
 AsmToken AsmLexer::ReturnError(const char *Loc, const std::string &Msg) {
-  PrintMessage(SMLoc::getFromPointer(Loc), Msg, "error");
+  SetError(SMLoc::getFromPointer(Loc), Msg);
+  
   return AsmToken(AsmToken::Error, StringRef(Loc, 0));
 }
 
diff --git a/tools/llvm-mc/AsmParser.cpp b/tools/llvm-mc/AsmParser.cpp
index ab37eb8..eb77e8d 100644
--- a/tools/llvm-mc/AsmParser.cpp
+++ b/tools/llvm-mc/AsmParser.cpp
@@ -101,7 +101,12 @@ bool AsmParser::TokError(const char *Msg) {
 }
 
 const AsmToken &AsmParser::Lex() {
-  return Lexer.Lex();
+  const AsmToken &tok = Lexer.Lex();
+  
+  if (tok.is(AsmToken::Error))
+    Lexer.PrintMessage(Lexer.getErrLoc(), Lexer.getErr(), "error");
+  
+  return tok;
 }
 
 bool AsmParser::Run() {