PTHLexer:

- Move PTHLexer::GetToken() to be inside PTHLexer.cpp.
- When lexing in raw mode, null out identifiers.

llvm-svn: 59744

clang/include/clang/Lex/PTHLexer.h

@@ -68,7 +68,7 @@ private:
   
   /// GetToken - Returns the next token.  This method does not advance the
   ///  PTHLexer to the next token.
-  Token GetToken() { return Tokens[CurTokenIdx]; }
+  Token GetToken();
   
   /// AdvanceToken - Advances the PTHLexer to the next token.
   void AdvanceToken() { ++CurTokenIdx; }

clang/lib/Lex/PTHLexer.cpp

@@ -27,6 +27,18 @@ PTHLexer::PTHLexer(Preprocessor& pp, SourceLocation fileloc,
   assert(Tokens[LastTokenIdx].is(tok::eof));
 }
 
+Token PTHLexer::GetToken() { 
+  Token Tok = Tokens[CurTokenIdx];
+  
+  // If we are in raw mode, zero out identifier pointers.  This is
+  // needed for 'pragma poison'.  Note that this requires that the Preprocessor
+  // can go back to the original source when it calls getSpelling().
+  if (LexingRawMode && Tok.is(tok::identifier))
+    Tok.setIdentifierInfo(0);
+
+  return Tok;
+}
+
 void PTHLexer::Lex(Token& Tok) {
 LexNextToken:
   if (AtLastToken()) {