[cfe-commits] r63405 - /cfe/trunk/Driver/PrintPreprocessedOutput.cpp

[Chris Lattner]

Author: lattner
Date: Fri Jan 30 12:44:17 2009
New Revision: 63405

URL: http://llvm.org/viewvc/llvm-project?rev=63405&view=rev
Log:
avoid emitting a bogus line marker for the top level #include
location.  We now -E a file containing "foo" into:

# 1 "t.c"
# 1 "t.c" 1
# 1 "<predefines>" 1
# 1 "t.c" 2
foo

instead of:

# 1 "t.c"
# 1 "t.c" 1
# 0 "t.c"
# 1 "<predefines>" 1
# 1 "t.c" 2
foo


Modified:
    cfe/trunk/Driver/PrintPreprocessedOutput.cpp

Modified: cfe/trunk/Driver/PrintPreprocessedOutput.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Driver/PrintPreprocessedOutput.cpp?rev=63405&r1=63404&r2=63405&view=diff

==============================================================================
--- cfe/trunk/Driver/PrintPreprocessedOutput.cpp (original)
+++ cfe/trunk/Driver/PrintPreprocessedOutput.cpp Fri Jan 30 12:44:17 2009
@@ -150,7 +150,9 @@
   // #include directive was at.
   SourceManager &SourceMgr = PP.getSourceManager();
   if (Reason == PPCallbacks::EnterFile) {
-    MoveToLine(SourceMgr.getPresumedLoc(Loc).getIncludeLoc());
+    SourceLocation IncludeLoc = SourceMgr.getPresumedLoc(Loc).getIncludeLoc();
+    if (IncludeLoc.isValid())
+      MoveToLine(IncludeLoc);
   } else if (Reason == PPCallbacks::SystemHeaderPragma) {
     MoveToLine(Loc);