Author: lattner
Date: Fri Jul 25 11:37:06 2008
New Revision: 54020
URL: http://llvm.org/viewvc/llvm-project?rev=54020&view=rev
Log:
comment out #pragma mark and #warning directives.
Modified:
cfe/trunk/Driver/RewriteMacros.cpp
Modified: cfe/trunk/Driver/RewriteMacros.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/Driver/RewriteMacros.cpp?rev=54020&r1=54019&r2=54020&view=diff
==============================================================================
--- cfe/trunk/Driver/RewriteMacros.cpp (original)
+++ cfe/trunk/Driver/RewriteMacros.cpp Fri Jul 25 11:37:06 2008
@@ -121,9 +121,28 @@
}
// If the raw file hits a preprocessor directive, they will be extra tokens
- // in the input file, but we don't want to treat them as such... just
ignore
- // them.
+ // in the raw file that don't exist in the preprocsesed file. However, we
+ // choose to preserve them in the output file and otherwise handle them
+ // specially.
if (RawTok.is(tok::hash) && RawTok.isAtStartOfLine()) {
+ // If this is a #warning directive or #pragma mark (GNU extensions),
+ // comment the line out.
+ if (RawTokens[CurRawTok].is(tok::identifier)) {
+ const IdentifierInfo *II = RawTokens[CurRawTok].getIdentifierInfo();
+ if (!strcmp(II->getName(), "warning")) {
+ // Comment out #warning.
+ RB.InsertTextAfter(SM.getFullFilePos(RawTok.getLocation()), "//", 2);
+ } else if (!strcmp(II->getName(), "pragma") &&
+ RawTokens[CurRawTok+1].is(tok::identifier) &&
+
!strcmp(RawTokens[CurRawTok+1].getIdentifierInfo()->getName(),
+ "mark")){
+ // Comment out #pragma mark.
+ RB.InsertTextAfter(SM.getFullFilePos(RawTok.getLocation()), "//", 2);
+ }
+ }
+
+ // Otherwise, if this is a #include or some other directive, just leave
it
+ // in the file by skipping over the line.
RawTok = GetNextRawTok(RawTokens, CurRawTok, false);
while (!RawTok.isAtStartOfLine() && RawTok.isNot(tok::eof))
RawTok = GetNextRawTok(RawTokens, CurRawTok, false);
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