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switch the .ll parser to use SourceMgr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74735 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-07-02 23:08:13 +00:00
parent 92bcb426c3
commit eeb4a84ac8
7 changed files with 59 additions and 48 deletions
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lib/AsmParser/LLLexer.cpp
+3 -20
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@@ -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();
}