make the verbose raw-lexer ctor fully explicit instead of having
embedded magic.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62417 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Lexer.cpp b/lib/Lex/Lexer.cpp
index 704c4db..c5b36fc 100644
--- a/lib/Lex/Lexer.cpp
+++ b/lib/Lex/Lexer.cpp
@@ -124,15 +124,9 @@
/// suitable for calls to 'LexRawToken'. This lexer assumes that the text
/// range will outlive it, so it doesn't take ownership of it.
Lexer::Lexer(SourceLocation fileloc, const LangOptions &features,
- const char *BufPtr, const char *BufEnd,
- const llvm::MemoryBuffer *FromFile)
+ const char *BufStart, const char *BufPtr, const char *BufEnd)
: FileLoc(fileloc), Features(features) {
- // If a MemoryBuffer was specified, use its start as BufferStart. This affects
- // the source location objects produced by this lexer.
- const char *BufStart = BufPtr;
- if (FromFile) BufStart = FromFile->getBufferStart();
-
InitLexer(BufStart, BufPtr, BufEnd);
// We *are* in raw mode.
@@ -197,7 +191,7 @@
// all obviously single-char tokens. This could use
// Lexer::isObviouslySimpleCharacter for example to handle identifiers or
// something.
- const char *BufEnd = SM.getBufferData(Loc).second;
+ std::pair<const char *,const char *> Buffer = SM.getBufferData(Loc);
// Create a langops struct and enable trigraphs. This is sufficient for
// measuring tokens.
@@ -205,7 +199,7 @@
LangOpts.Trigraphs = true;
// Create a lexer starting at the beginning of this token.
- Lexer TheLexer(Loc, LangOpts, StrData, BufEnd);
+ Lexer TheLexer(Loc, LangOpts, Buffer.first, StrData, Buffer.second);
Token TheTok;
TheLexer.LexFromRawLexer(TheTok);
return TheTok.getLength();