switch the .ll parser to use SourceMgr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74735 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 20 deletions

diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp
index 090e614122..741c5381fc 100644
--- a/lib/AsmParser/LLLexer.cpp
+++ b/lib/AsmParser/LLLexer.cpp
@@ -24,24 +24,7 @@
 using namespace llvm;
 
 bool LLLexer::Error(LocTy ErrorLoc, const std::string &Msg) const {
-  // Scan backward to find the start of the line.
-  const char *LineStart = ErrorLoc;
-  while (LineStart != CurBuf->getBufferStart() &&
-         LineStart[-1] != '\n' && LineStart[-1] != '\r')
-    --LineStart;
-  // Get the end of the line.
-  const char *LineEnd = ErrorLoc;
-  while (LineEnd != CurBuf->getBufferEnd() &&
-         LineEnd[0] != '\n' && LineEnd[0] != '\r')
-    ++LineEnd;
-
-  unsigned LineNo = 1;
-  for (const char *FP = CurBuf->getBufferStart(); FP != ErrorLoc; ++FP)
-    if (*FP == '\n') ++LineNo;
-
-  ErrorInfo = SMDiagnostic(CurBuf->getBufferIdentifier(),
-                           LineNo, ErrorLoc-LineStart, Msg,
-                           std::string(LineStart, LineEnd));
+  ErrorInfo = SM.GetMessage(ErrorLoc, Msg, "error");
   return true;
 }
 
@@ -197,8 +180,8 @@ static const char *isLabelTail(const char *CurPtr) {
 // Lexer definition.
 //===----------------------------------------------------------------------===//
 
-LLLexer::LLLexer(MemoryBuffer *StartBuf, SMDiagnostic &Err)
-  : CurBuf(StartBuf), ErrorInfo(Err), APFloatVal(0.0) {
+LLLexer::LLLexer(MemoryBuffer *StartBuf, SourceMgr &sm, SMDiagnostic &Err)
+  : CurBuf(StartBuf), ErrorInfo(Err), SM(sm), APFloatVal(0.0) {
   CurPtr = CurBuf->getBufferStart();
 }